diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3339-revert-to-old-stack.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3339-revert-to-old-stack.patch | 20647 |
1 files changed, 20647 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3339-revert-to-old-stack.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3339-revert-to-old-stack.patch new file mode 100644 index 00000000..eb3668aa --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3339-revert-to-old-stack.patch @@ -0,0 +1,20647 @@ +From 37d3acaf273e6505bf399d1a4fefa7a32b967671 Mon Sep 17 00:00:00 2001 +From: Sanjay R Mehta <sanju.mehta@amd.com> +Date: Wed, 16 May 2018 15:41:36 +0530 +Subject: [PATCH 3339/4131] revert to old stack + +Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com> +--- + drivers/gpu/drm/amd/amdkfd/Kconfig | 3 +- + drivers/gpu/drm/amd/amdkfd/Makefile | 21 +- + drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c | 74 +- + drivers/gpu/drm/amd/amdkfd/cik_int.h | 24 +- + drivers/gpu/drm/amd/amdkfd/cik_regs.h | 3 +- + .../gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm | 1384 ------------------- + .../gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm | 1419 -------------------- + drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 1188 +--------------- + drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 1339 ------------------ + drivers/gpu/drm/amd/amdkfd/kfd_crat.h | 42 +- + drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c | 133 +- + drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.h | 32 - + drivers/gpu/drm/amd/amdkfd/kfd_dbgmgr.c | 3 +- + drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c | 75 -- + drivers/gpu/drm/amd/amdkfd/kfd_device.c | 734 +--------- + .../gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 1003 +++----------- + .../gpu/drm/amd/amdkfd/kfd_device_queue_manager.h | 59 +- + .../drm/amd/amdkfd/kfd_device_queue_manager_cik.c | 70 +- + .../drm/amd/amdkfd/kfd_device_queue_manager_v9.c | 83 -- + .../drm/amd/amdkfd/kfd_device_queue_manager_vi.c | 112 +- + drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c | 109 +- + drivers/gpu/drm/amd/amdkfd/kfd_events.c | 688 +++++----- + drivers/gpu/drm/amd/amdkfd/kfd_events.h | 18 +- + drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c | 119 +- + drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c | 135 -- + drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c | 88 +- + drivers/gpu/drm/amd/amdkfd/kfd_ipc.c | 271 ---- + drivers/gpu/drm/amd/amdkfd/kfd_ipc.h | 51 - + drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c | 105 +- + drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h | 17 +- + drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_cik.c | 128 -- + drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_v9.c | 377 ------ + drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_vi.c | 361 ----- + drivers/gpu/drm/amd/amdkfd/kfd_module.c | 66 +- + drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c | 55 - + drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h | 15 +- + drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c | 205 +-- + drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c | 524 -------- + drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c | 294 +--- + drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c | 389 ++++-- + drivers/gpu/drm/amd/amdkfd/kfd_pasid.c | 90 +- + drivers/gpu/drm/amd/amdkfd/kfd_peerdirect.c | 513 ------- + drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h | 583 -------- + drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_diq.h | 97 ++ + drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 537 ++------ + drivers/gpu/drm/amd/amdkfd/kfd_process.c | 914 ++----------- + .../gpu/drm/amd/amdkfd/kfd_process_queue_manager.c | 232 +--- + drivers/gpu/drm/amd/amdkfd/kfd_rdma.c | 294 ---- + drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 1142 ++++++---------- + drivers/gpu/drm/amd/amdkfd/kfd_topology.h | 42 +- + drivers/gpu/drm/amd/amdkfd/soc15_int.h | 84 -- + 51 files changed, 2132 insertions(+), 14212 deletions(-) + delete mode 100644 drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm + delete mode 100644 drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm + delete mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_crat.c + delete mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c + delete mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v9.c + delete mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c + delete mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_ipc.c + delete mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_ipc.h + delete mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_v9.c + delete mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c + delete mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_peerdirect.c + delete mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h + delete mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_rdma.c + delete mode 100644 drivers/gpu/drm/amd/amdkfd/soc15_int.h + +diff --git a/drivers/gpu/drm/amd/amdkfd/Kconfig b/drivers/gpu/drm/amd/amdkfd/Kconfig +index 95be0dd..e13c67c 100644 +--- a/drivers/gpu/drm/amd/amdkfd/Kconfig ++++ b/drivers/gpu/drm/amd/amdkfd/Kconfig +@@ -4,7 +4,6 @@ + + config HSA_AMD + tristate "HSA kernel driver for AMD GPU devices" +- depends on (DRM_RADEON || DRM_AMDGPU) && (X86_64 || PPC64 || ARM64) +- select DRM_AMDGPU_USERPTR ++ depends on (DRM_RADEON || DRM_AMDGPU) && AMD_IOMMU_V2 && X86_64 + help + Enable this if you want to use HSA features on AMD GPU devices. +diff --git a/drivers/gpu/drm/amd/amdkfd/Makefile b/drivers/gpu/drm/amd/amdkfd/Makefile +index fde693c..b400d56 100644 +--- a/drivers/gpu/drm/amd/amdkfd/Makefile ++++ b/drivers/gpu/drm/amd/amdkfd/Makefile +@@ -2,25 +2,18 @@ + # Makefile for Heterogenous System Architecture support for AMD GPU devices + # + +-FULL_AMD_PATH=$(src)/.. +- +-ccflags-y := -I$(FULL_AMD_PATH)/include/ \ +- -I$(FULL_AMD_PATH)/include/asic_reg ++ccflags-y := -Idrivers/gpu/drm/amd/include/ \ ++ -Idrivers/gpu/drm/amd/include/asic_reg + + amdkfd-y := kfd_module.o kfd_device.o kfd_chardev.o kfd_topology.o \ + kfd_pasid.o kfd_doorbell.o kfd_flat_memory.o \ + kfd_process.o kfd_queue.o kfd_mqd_manager.o \ + kfd_mqd_manager_cik.o kfd_mqd_manager_vi.o \ +- kfd_mqd_manager_v9.o \ + kfd_kernel_queue.o kfd_kernel_queue_cik.o \ +- kfd_kernel_queue_vi.o kfd_kernel_queue_v9.o \ +- kfd_packet_manager.o kfd_process_queue_manager.o \ +- kfd_device_queue_manager.o kfd_device_queue_manager_cik.o \ +- kfd_device_queue_manager_vi.o kfd_device_queue_manager_v9.o \ +- kfd_interrupt.o kfd_events.o cik_event_interrupt.o kfd_int_process_v9.o \ +- kfd_dbgdev.o kfd_dbgmgr.o kfd_flat_memory.o kfd_crat.o kfd_rdma.o \ +- kfd_peerdirect.o kfd_ipc.o +- +-amdkfd-$(CONFIG_DEBUG_FS) += kfd_debugfs.o ++ kfd_kernel_queue_vi.o kfd_packet_manager.o \ ++ kfd_process_queue_manager.o kfd_device_queue_manager.o \ ++ kfd_device_queue_manager_cik.o kfd_device_queue_manager_vi.o \ ++ kfd_interrupt.o kfd_events.o cik_event_interrupt.o \ ++ kfd_dbgdev.o kfd_dbgmgr.o + + obj-$(CONFIG_HSA_AMD) += amdkfd.o +diff --git a/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c b/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c +index 751c004..211fc48 100644 +--- a/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c ++++ b/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c +@@ -24,90 +24,40 @@ + #include "kfd_events.h" + #include "cik_int.h" + +-static bool is_cpc_vm_fault(struct kfd_dev *dev, +- const uint32_t *ih_ring_entry) +-{ +- const struct cik_ih_ring_entry *ihre = +- (const struct cik_ih_ring_entry *)ih_ring_entry; +- +- if ((ihre->source_id == CIK_INTSRC_GFX_PAGE_INV_FAULT || +- ihre->source_id == CIK_INTSRC_GFX_MEM_PROT_FAULT) && +- ihre->vmid >= dev->vm_info.first_vmid_kfd && +- ihre->vmid <= dev->vm_info.last_vmid_kfd) +- return true; +- return false; +-} +- + static bool cik_event_interrupt_isr(struct kfd_dev *dev, +- const uint32_t *ih_ring_entry, +- uint32_t *patched_ihre, +- bool *patched_flag) ++ const uint32_t *ih_ring_entry) + { ++ unsigned int pasid; + const struct cik_ih_ring_entry *ihre = + (const struct cik_ih_ring_entry *)ih_ring_entry; +- const struct kfd2kgd_calls *f2g = dev->kfd2kgd; +- struct cik_ih_ring_entry *tmp_ihre = +- (struct cik_ih_ring_entry *) patched_ihre; + +- /* This workaround is due to HW/FW limitation on Hawaii that +- * VMID and PASID are not written into ih_ring_entry +- */ +- if ((ihre->source_id == CIK_INTSRC_GFX_PAGE_INV_FAULT || +- ihre->source_id == CIK_INTSRC_GFX_MEM_PROT_FAULT) && +- dev->device_info->asic_family == CHIP_HAWAII) { +- *patched_flag = true; +- *tmp_ihre = *ihre; ++ pasid = (ihre->ring_id & 0xffff0000) >> 16; + +- tmp_ihre->vmid = f2g->read_vmid_from_vmfault_reg(dev->kgd); +- tmp_ihre->pasid = f2g->get_atc_vmid_pasid_mapping_pasid( +- dev->kgd, tmp_ihre->vmid); +- return (tmp_ihre->pasid != 0) && +- tmp_ihre->vmid >= dev->vm_info.first_vmid_kfd && +- tmp_ihre->vmid <= dev->vm_info.last_vmid_kfd; +- } + /* Do not process in ISR, just request it to be forwarded to WQ. */ +- return (ihre->pasid != 0) && ++ return (pasid != 0) && + (ihre->source_id == CIK_INTSRC_CP_END_OF_PIPE || +- ihre->source_id == CIK_INTSRC_SDMA_TRAP || + ihre->source_id == CIK_INTSRC_SQ_INTERRUPT_MSG || +- ihre->source_id == CIK_INTSRC_CP_BAD_OPCODE || +- is_cpc_vm_fault(dev, ih_ring_entry)); ++ ihre->source_id == CIK_INTSRC_CP_BAD_OPCODE); + } + + static void cik_event_interrupt_wq(struct kfd_dev *dev, + const uint32_t *ih_ring_entry) + { ++ unsigned int pasid; + const struct cik_ih_ring_entry *ihre = + (const struct cik_ih_ring_entry *)ih_ring_entry; +- uint32_t context_id = ihre->data & 0xfffffff; + +- if (ihre->pasid == 0) ++ pasid = (ihre->ring_id & 0xffff0000) >> 16; ++ ++ if (pasid == 0) + return; + + if (ihre->source_id == CIK_INTSRC_CP_END_OF_PIPE) +- kfd_signal_event_interrupt(ihre->pasid, context_id, 28); +- else if (ihre->source_id == CIK_INTSRC_SDMA_TRAP) +- kfd_signal_event_interrupt(ihre->pasid, context_id, 28); ++ kfd_signal_event_interrupt(pasid, 0, 0); + else if (ihre->source_id == CIK_INTSRC_SQ_INTERRUPT_MSG) +- kfd_signal_event_interrupt(ihre->pasid, context_id & 0xff, 8); ++ kfd_signal_event_interrupt(pasid, ihre->data & 0xFF, 8); + else if (ihre->source_id == CIK_INTSRC_CP_BAD_OPCODE) +- kfd_signal_hw_exception_event(ihre->pasid); +- else if (ihre->source_id == CIK_INTSRC_GFX_PAGE_INV_FAULT || +- ihre->source_id == CIK_INTSRC_GFX_MEM_PROT_FAULT) { +- struct kfd_vm_fault_info info; +- +- kfd_process_vm_fault(dev->dqm, ihre->pasid); +- +- memset(&info, 0, sizeof(info)); +- dev->kfd2kgd->get_vm_fault_info(dev->kgd, &info); +- if (!info.page_addr && !info.status) +- return; +- +- if (info.vmid == ihre->vmid) +- kfd_signal_vm_fault_event(dev, ihre->pasid, &info); +- else +- kfd_signal_vm_fault_event(dev, ihre->pasid, NULL); +- } ++ kfd_signal_hw_exception_event(pasid); + } + + const struct kfd_event_interrupt_class event_interrupt_class_cik = { +diff --git a/drivers/gpu/drm/amd/amdkfd/cik_int.h b/drivers/gpu/drm/amd/amdkfd/cik_int.h +index ff8255d..79a16d2 100644 +--- a/drivers/gpu/drm/amd/amdkfd/cik_int.h ++++ b/drivers/gpu/drm/amd/amdkfd/cik_int.h +@@ -26,32 +26,16 @@ + #include <linux/types.h> + + struct cik_ih_ring_entry { +- uint32_t source_id:8; +- uint32_t reserved1:8; +- uint32_t reserved2:16; +- +- uint32_t data:28; +- uint32_t reserved3:4; +- +- /* pipeid, meid and unused3 are officially called RINGID, +- * but for our purposes, they always decode into pipe and ME. +- */ +- uint32_t pipeid:2; +- uint32_t meid:2; +- uint32_t reserved4:4; +- uint32_t vmid:8; +- uint32_t pasid:16; +- +- uint32_t reserved5; ++ uint32_t source_id; ++ uint32_t data; ++ uint32_t ring_id; ++ uint32_t reserved; + }; + + #define CIK_INTSRC_DEQUEUE_COMPLETE 0xC6 + #define CIK_INTSRC_CP_END_OF_PIPE 0xB5 + #define CIK_INTSRC_CP_BAD_OPCODE 0xB7 + #define CIK_INTSRC_SQ_INTERRUPT_MSG 0xEF +-#define CIK_INTSRC_GFX_PAGE_INV_FAULT 0x92 +-#define CIK_INTSRC_GFX_MEM_PROT_FAULT 0x93 +-#define CIK_INTSRC_SDMA_TRAP 0xE0 + + #endif + +diff --git a/drivers/gpu/drm/amd/amdkfd/cik_regs.h b/drivers/gpu/drm/amd/amdkfd/cik_regs.h +index 37ce6dd..48769d1 100644 +--- a/drivers/gpu/drm/amd/amdkfd/cik_regs.h ++++ b/drivers/gpu/drm/amd/amdkfd/cik_regs.h +@@ -33,8 +33,7 @@ + #define APE1_MTYPE(x) ((x) << 7) + + /* valid for both DEFAULT_MTYPE and APE1_MTYPE */ +-#define MTYPE_CACHED_NV 0 +-#define MTYPE_CACHED 1 ++#define MTYPE_CACHED 0 + #define MTYPE_NONCACHED 3 + + #define DEFAULT_CP_HQD_PERSISTENT_STATE (0x33U << 8) +diff --git a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm +deleted file mode 100644 +index 751cc2e..0000000 +--- a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm ++++ /dev/null +@@ -1,1384 +0,0 @@ +-/* +- * Copyright 2015-2017 Advanced Micro Devices, Inc. +- * +- * Permission is hereby granted, free of charge, to any person obtaining a +- * copy of this software and associated documentation files (the "Software"), +- * to deal in the Software without restriction, including without limitation +- * the rights to use, copy, modify, merge, publish, distribute, sublicense, +- * and/or sell copies of the Software, and to permit persons to whom the +- * Software is furnished to do so, subject to the following conditions: +- * +- * The above copyright notice and this permission notice shall be included in +- * all copies or substantial portions of the Software. +- * +- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR +- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +- * OTHER DEALINGS IN THE SOFTWARE. +- */ +- +-#if 0 +-HW (VI) source code for CWSR trap handler +-#Version 18 + multiple trap handler +- +-// this performance-optimal version was originally from Seven Xu at SRDC +- +-// Revison #18 --... +-/* Rev History +-** #1. Branch from gc dv. //gfxip/gfx8/main/src/test/suites/block/cs/sr/cs_trap_handler.sp3#1,#50, #51, #52-53(Skip, Already Fixed by PV), #54-56(merged),#57-58(mergerd, skiped-already fixed by PV) +-** #4. SR Memory Layout: +-** 1. VGPR-SGPR-HWREG-{LDS} +-** 2. tba_hi.bits.26 - reconfigured as the first wave in tg bits, for defer Save LDS for a threadgroup.. performance concern.. +-** #5. Update: 1. Accurate g8sr_ts_save_d timestamp +-** #6. Update: 1. Fix s_barrier usage; 2. VGPR s/r using swizzle buffer?(NoNeed, already matched the swizzle pattern, more investigation) +-** #7. Update: 1. don't barrier if noLDS +-** #8. Branch: 1. Branch to ver#0, which is very similar to gc dv version +-** 2. Fix SQ issue by s_sleep 2 +-** #9. Update: 1. Fix scc restore failed issue, restore wave_status at last +-** 2. optimize s_buffer save by burst 16sgprs... +-** #10. Update 1. Optimize restore sgpr by busrt 16 sgprs. +-** #11. Update 1. Add 2 more timestamp for debug version +-** #12. Update 1. Add VGPR SR using DWx4, some case improve and some case drop performance +-** #13. Integ 1. Always use MUBUF for PV trap shader... +-** #14. Update 1. s_buffer_store soft clause... +-** #15. Update 1. PERF - sclar write with glc:0/mtype0 to allow L2 combine. perf improvement a lot. +-** #16. Update 1. PRRF - UNROLL LDS_DMA got 2500cycle save in IP tree +-** #17. Update 1. FUNC - LDS_DMA has issues while ATC, replace with ds_read/buffer_store for save part[TODO restore part] +-** 2. PERF - Save LDS before save VGPR to cover LDS save long latency... +-** #18. Update 1. FUNC - Implicitly estore STATUS.VCCZ, which is not writable by s_setreg_b32 +-** 2. FUNC - Handle non-CWSR traps +-*/ +- +-var G8SR_WDMEM_HWREG_OFFSET = 0 +-var G8SR_WDMEM_SGPR_OFFSET = 128 // in bytes +- +-// Keep definition same as the app shader, These 2 time stamps are part of the app shader... Should before any Save and after restore. +- +-var G8SR_DEBUG_TIMESTAMP = 0 +-var G8SR_DEBUG_TS_SAVE_D_OFFSET = 40*4 // ts_save_d timestamp offset relative to SGPR_SR_memory_offset +-var s_g8sr_ts_save_s = s[34:35] // save start +-var s_g8sr_ts_sq_save_msg = s[36:37] // The save shader send SAVEWAVE msg to spi +-var s_g8sr_ts_spi_wrexec = s[38:39] // the SPI write the sr address to SQ +-var s_g8sr_ts_save_d = s[40:41] // save end +-var s_g8sr_ts_restore_s = s[42:43] // restore start +-var s_g8sr_ts_restore_d = s[44:45] // restore end +- +-var G8SR_VGPR_SR_IN_DWX4 = 0 +-var G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 = 0x00100000 // DWx4 stride is 4*4Bytes +-var G8SR_RESTORE_BUF_RSRC_WORD1_STRIDE_DWx4 = G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 +- +- +-/*************************************************************************/ +-/* control on how to run the shader */ +-/*************************************************************************/ +-//any hack that needs to be made to run this code in EMU (either becasue various EMU code are not ready or no compute save & restore in EMU run) +-var EMU_RUN_HACK = 0 +-var EMU_RUN_HACK_RESTORE_NORMAL = 0 +-var EMU_RUN_HACK_SAVE_NORMAL_EXIT = 0 +-var EMU_RUN_HACK_SAVE_SINGLE_WAVE = 0 +-var EMU_RUN_HACK_SAVE_FIRST_TIME = 0 //for interrupted restore in which the first save is through EMU_RUN_HACK +-var EMU_RUN_HACK_SAVE_FIRST_TIME_TBA_LO = 0 //for interrupted restore in which the first save is through EMU_RUN_HACK +-var EMU_RUN_HACK_SAVE_FIRST_TIME_TBA_HI = 0 //for interrupted restore in which the first save is through EMU_RUN_HACK +-var SAVE_LDS = 1 +-var WG_BASE_ADDR_LO = 0x9000a000 +-var WG_BASE_ADDR_HI = 0x0 +-var WAVE_SPACE = 0x5000 //memory size that each wave occupies in workgroup state mem +-var CTX_SAVE_CONTROL = 0x0 +-var CTX_RESTORE_CONTROL = CTX_SAVE_CONTROL +-var SIM_RUN_HACK = 0 //any hack that needs to be made to run this code in SIM (either becasue various RTL code are not ready or no compute save & restore in RTL run) +-var SGPR_SAVE_USE_SQC = 1 //use SQC D$ to do the write +-var USE_MTBUF_INSTEAD_OF_MUBUF = 0 //becasue TC EMU curently asserts on 0 of // overload DFMT field to carry 4 more bits of stride for MUBUF opcodes +-var SWIZZLE_EN = 0 //whether we use swizzled buffer addressing +- +-/**************************************************************************/ +-/* variables */ +-/**************************************************************************/ +-var SQ_WAVE_STATUS_INST_ATC_SHIFT = 23 +-var SQ_WAVE_STATUS_INST_ATC_MASK = 0x00800000 +-var SQ_WAVE_STATUS_SPI_PRIO_MASK = 0x00000006 +- +-var SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT = 12 +-var SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE = 9 +-var SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT = 8 +-var SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE = 6 +-var SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT = 24 +-var SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE = 3 //FIXME sq.blk still has 4 bits at this time while SQ programming guide has 3 bits +- +-var SQ_WAVE_TRAPSTS_SAVECTX_MASK = 0x400 +-var SQ_WAVE_TRAPSTS_EXCE_MASK = 0x1FF // Exception mask +-var SQ_WAVE_TRAPSTS_SAVECTX_SHIFT = 10 +-var SQ_WAVE_TRAPSTS_MEM_VIOL_MASK = 0x100 +-var SQ_WAVE_TRAPSTS_MEM_VIOL_SHIFT = 8 +-var SQ_WAVE_TRAPSTS_PRE_SAVECTX_MASK = 0x3FF +-var SQ_WAVE_TRAPSTS_PRE_SAVECTX_SHIFT = 0x0 +-var SQ_WAVE_TRAPSTS_PRE_SAVECTX_SIZE = 10 +-var SQ_WAVE_TRAPSTS_POST_SAVECTX_MASK = 0xFFFFF800 +-var SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT = 11 +-var SQ_WAVE_TRAPSTS_POST_SAVECTX_SIZE = 21 +- +-var SQ_WAVE_IB_STS_RCNT_SHIFT = 16 //FIXME +-var SQ_WAVE_IB_STS_RCNT_SIZE = 4 //FIXME +-var SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT = 15 //FIXME +-var SQ_WAVE_IB_STS_FIRST_REPLAY_SIZE = 1 //FIXME +-var SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK_NEG = 0x00007FFF //FIXME +- +-var SQ_BUF_RSRC_WORD1_ATC_SHIFT = 24 +-var SQ_BUF_RSRC_WORD3_MTYPE_SHIFT = 27 +- +- +-/* Save */ +-var S_SAVE_BUF_RSRC_WORD1_STRIDE = 0x00040000 //stride is 4 bytes +-var S_SAVE_BUF_RSRC_WORD3_MISC = 0x00807FAC //SQ_SEL_X/Y/Z/W, BUF_NUM_FORMAT_FLOAT, (0 for MUBUF stride[17:14] when ADD_TID_ENABLE and BUF_DATA_FORMAT_32 for MTBUF), ADD_TID_ENABLE +- +-var S_SAVE_SPI_INIT_ATC_MASK = 0x08000000 //bit[27]: ATC bit +-var S_SAVE_SPI_INIT_ATC_SHIFT = 27 +-var S_SAVE_SPI_INIT_MTYPE_MASK = 0x70000000 //bit[30:28]: Mtype +-var S_SAVE_SPI_INIT_MTYPE_SHIFT = 28 +-var S_SAVE_SPI_INIT_FIRST_WAVE_MASK = 0x04000000 //bit[26]: FirstWaveInTG +-var S_SAVE_SPI_INIT_FIRST_WAVE_SHIFT = 26 +- +-var S_SAVE_PC_HI_RCNT_SHIFT = 28 //FIXME check with Brian to ensure all fields other than PC[47:0] can be used +-var S_SAVE_PC_HI_RCNT_MASK = 0xF0000000 //FIXME +-var S_SAVE_PC_HI_FIRST_REPLAY_SHIFT = 27 //FIXME +-var S_SAVE_PC_HI_FIRST_REPLAY_MASK = 0x08000000 //FIXME +- +-var s_save_spi_init_lo = exec_lo +-var s_save_spi_init_hi = exec_hi +- +- //tba_lo and tba_hi need to be saved/restored +-var s_save_pc_lo = ttmp0 //{TTMP1, TTMP0} = {3¡¯h0,pc_rewind[3:0], HT[0],trapID[7:0], PC[47:0]} +-var s_save_pc_hi = ttmp1 +-var s_save_exec_lo = ttmp2 +-var s_save_exec_hi = ttmp3 +-var s_save_status = ttmp4 +-var s_save_trapsts = ttmp5 //not really used until the end of the SAVE routine +-var s_save_xnack_mask_lo = ttmp6 +-var s_save_xnack_mask_hi = ttmp7 +-var s_save_buf_rsrc0 = ttmp8 +-var s_save_buf_rsrc1 = ttmp9 +-var s_save_buf_rsrc2 = ttmp10 +-var s_save_buf_rsrc3 = ttmp11 +- +-var s_save_mem_offset = tma_lo +-var s_save_alloc_size = s_save_trapsts //conflict +-var s_save_tmp = s_save_buf_rsrc2 //shared with s_save_buf_rsrc2 (conflict: should not use mem access with s_save_tmp at the same time) +-var s_save_m0 = tma_hi +- +-/* Restore */ +-var S_RESTORE_BUF_RSRC_WORD1_STRIDE = S_SAVE_BUF_RSRC_WORD1_STRIDE +-var S_RESTORE_BUF_RSRC_WORD3_MISC = S_SAVE_BUF_RSRC_WORD3_MISC +- +-var S_RESTORE_SPI_INIT_ATC_MASK = 0x08000000 //bit[27]: ATC bit +-var S_RESTORE_SPI_INIT_ATC_SHIFT = 27 +-var S_RESTORE_SPI_INIT_MTYPE_MASK = 0x70000000 //bit[30:28]: Mtype +-var S_RESTORE_SPI_INIT_MTYPE_SHIFT = 28 +-var S_RESTORE_SPI_INIT_FIRST_WAVE_MASK = 0x04000000 //bit[26]: FirstWaveInTG +-var S_RESTORE_SPI_INIT_FIRST_WAVE_SHIFT = 26 +- +-var S_RESTORE_PC_HI_RCNT_SHIFT = S_SAVE_PC_HI_RCNT_SHIFT +-var S_RESTORE_PC_HI_RCNT_MASK = S_SAVE_PC_HI_RCNT_MASK +-var S_RESTORE_PC_HI_FIRST_REPLAY_SHIFT = S_SAVE_PC_HI_FIRST_REPLAY_SHIFT +-var S_RESTORE_PC_HI_FIRST_REPLAY_MASK = S_SAVE_PC_HI_FIRST_REPLAY_MASK +- +-var s_restore_spi_init_lo = exec_lo +-var s_restore_spi_init_hi = exec_hi +- +-var s_restore_mem_offset = ttmp2 +-var s_restore_alloc_size = ttmp3 +-var s_restore_tmp = ttmp6 //tba_lo/hi need to be restored +-var s_restore_mem_offset_save = s_restore_tmp //no conflict +- +-var s_restore_m0 = s_restore_alloc_size //no conflict +- +-var s_restore_mode = ttmp7 +- +-var s_restore_pc_lo = ttmp0 +-var s_restore_pc_hi = ttmp1 +-var s_restore_exec_lo = tma_lo //no conflict +-var s_restore_exec_hi = tma_hi //no conflict +-var s_restore_status = ttmp4 +-var s_restore_trapsts = ttmp5 +-var s_restore_xnack_mask_lo = xnack_mask_lo +-var s_restore_xnack_mask_hi = xnack_mask_hi +-var s_restore_buf_rsrc0 = ttmp8 +-var s_restore_buf_rsrc1 = ttmp9 +-var s_restore_buf_rsrc2 = ttmp10 +-var s_restore_buf_rsrc3 = ttmp11 +- +-/**************************************************************************/ +-/* trap handler entry points */ +-/**************************************************************************/ +-/* Shader Main*/ +- +-shader main +- asic(VI) +- type(CS) +- +- +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) //hack to use trap_id for determining save/restore +- //FIXME VCCZ un-init assertion s_getreg_b32 s_save_status, hwreg(HW_REG_STATUS) //save STATUS since we will change SCC +- s_and_b32 s_save_tmp, s_save_pc_hi, 0xffff0000 //change SCC +- s_cmp_eq_u32 s_save_tmp, 0x007e0000 //Save: trap_id = 0x7e. Restore: trap_id = 0x7f. +- s_cbranch_scc0 L_JUMP_TO_RESTORE //do not need to recover STATUS here since we are going to RESTORE +- //FIXME s_setreg_b32 hwreg(HW_REG_STATUS), s_save_status //need to recover STATUS since we are going to SAVE +- s_branch L_SKIP_RESTORE //NOT restore, SAVE actually +- else +- s_branch L_SKIP_RESTORE //NOT restore. might be a regular trap or save +- end +- +-L_JUMP_TO_RESTORE: +- s_branch L_RESTORE //restore +- +-L_SKIP_RESTORE: +- +- s_getreg_b32 s_save_status, hwreg(HW_REG_STATUS) //save STATUS since we will change SCC +- s_andn2_b32 s_save_status, s_save_status, SQ_WAVE_STATUS_SPI_PRIO_MASK //check whether this is for save +- s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) +- s_and_b32 s_save_trapsts, s_save_trapsts, SQ_WAVE_TRAPSTS_SAVECTX_MASK //check whether this is for save +- s_cbranch_scc1 L_SAVE //this is the operation for save +- +- // ********* Handle non-CWSR traps ******************* +-if (!EMU_RUN_HACK) +- /* read tba and tma for next level trap handler, ttmp4 is used as s_save_status */ +- s_load_dwordx4 [ttmp8,ttmp9,ttmp10, ttmp11], [tma_lo,tma_hi], 0 +- s_waitcnt lgkmcnt(0) +- s_or_b32 ttmp7, ttmp8, ttmp9 +- s_cbranch_scc0 L_NO_NEXT_TRAP //next level trap handler not been set +- s_setreg_b32 hwreg(HW_REG_STATUS), s_save_status //restore HW status(SCC) +- s_setpc_b64 [ttmp8,ttmp9] //jump to next level trap handler +- +-L_NO_NEXT_TRAP: +- s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) +- s_and_b32 s_save_trapsts, s_save_trapsts, SQ_WAVE_TRAPSTS_EXCE_MASK // Check whether it is an exception +- s_cbranch_scc1 L_EXCP_CASE // Exception, jump back to the shader program directly. +- s_add_u32 ttmp0, ttmp0, 4 // S_TRAP case, add 4 to ttmp0 +- s_addc_u32 ttmp1, ttmp1, 0 +-L_EXCP_CASE: +- s_and_b32 ttmp1, ttmp1, 0xFFFF +- s_setreg_b32 hwreg(HW_REG_STATUS), s_save_status //restore HW status(SCC) +- s_rfe_b64 [ttmp0, ttmp1] +-end +- // ********* End handling of non-CWSR traps ******************* +- +-/**************************************************************************/ +-/* save routine */ +-/**************************************************************************/ +- +-L_SAVE: +- +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_save_s +- s_waitcnt lgkmcnt(0) //FIXME, will cause xnack?? +-end +- +- //check whether there is mem_viol +- s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) +- s_and_b32 s_save_trapsts, s_save_trapsts, SQ_WAVE_TRAPSTS_MEM_VIOL_MASK +- s_cbranch_scc0 L_NO_PC_REWIND +- +- //if so, need rewind PC assuming GDS operation gets NACKed +- s_mov_b32 s_save_tmp, 0 //clear mem_viol bit +- s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_MEM_VIOL_SHIFT, 1), s_save_tmp //clear mem_viol bit +- s_and_b32 s_save_pc_hi, s_save_pc_hi, 0x0000ffff //pc[47:32] +- s_sub_u32 s_save_pc_lo, s_save_pc_lo, 8 //pc[31:0]-8 +- s_subb_u32 s_save_pc_hi, s_save_pc_hi, 0x0 // -scc +- +-L_NO_PC_REWIND: +- s_mov_b32 s_save_tmp, 0 //clear saveCtx bit +- s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_SAVECTX_SHIFT, 1), s_save_tmp //clear saveCtx bit +- +- s_mov_b32 s_save_xnack_mask_lo, xnack_mask_lo //save XNACK_MASK +- s_mov_b32 s_save_xnack_mask_hi, xnack_mask_hi //save XNACK must before any memory operation +- s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS, SQ_WAVE_IB_STS_RCNT_SHIFT, SQ_WAVE_IB_STS_RCNT_SIZE) //save RCNT +- s_lshl_b32 s_save_tmp, s_save_tmp, S_SAVE_PC_HI_RCNT_SHIFT +- s_or_b32 s_save_pc_hi, s_save_pc_hi, s_save_tmp +- s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS, SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT, SQ_WAVE_IB_STS_FIRST_REPLAY_SIZE) //save FIRST_REPLAY +- s_lshl_b32 s_save_tmp, s_save_tmp, S_SAVE_PC_HI_FIRST_REPLAY_SHIFT +- s_or_b32 s_save_pc_hi, s_save_pc_hi, s_save_tmp +- s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS) //clear RCNT and FIRST_REPLAY in IB_STS +- s_and_b32 s_save_tmp, s_save_tmp, SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK_NEG +- +- s_setreg_b32 hwreg(HW_REG_IB_STS), s_save_tmp +- +- /* inform SPI the readiness and wait for SPI's go signal */ +- s_mov_b32 s_save_exec_lo, exec_lo //save EXEC and use EXEC for the go signal from SPI +- s_mov_b32 s_save_exec_hi, exec_hi +- s_mov_b64 exec, 0x0 //clear EXEC to get ready to receive +- +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_sq_save_msg +- s_waitcnt lgkmcnt(0) +-end +- +- if (EMU_RUN_HACK) +- +- else +- s_sendmsg sendmsg(MSG_SAVEWAVE) //send SPI a message and wait for SPI's write to EXEC +- end +- +- L_SLEEP: +- s_sleep 0x2 // sleep 1 (64clk) is not enough for 8 waves per SIMD, which will cause SQ hang, since the 7,8th wave could not get arbit to exec inst, while other waves are stuck into the sleep-loop and waiting for wrexec!=0 +- +- if (EMU_RUN_HACK) +- +- else +- s_cbranch_execz L_SLEEP +- end +- +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_spi_wrexec +- s_waitcnt lgkmcnt(0) +-end +- +- /* setup Resource Contants */ +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_SAVE_SINGLE_WAVE)) +- //calculate wd_addr using absolute thread id +- v_readlane_b32 s_save_tmp, v9, 0 +- s_lshr_b32 s_save_tmp, s_save_tmp, 6 +- s_mul_i32 s_save_tmp, s_save_tmp, WAVE_SPACE +- s_add_i32 s_save_spi_init_lo, s_save_tmp, WG_BASE_ADDR_LO +- s_mov_b32 s_save_spi_init_hi, WG_BASE_ADDR_HI +- s_and_b32 s_save_spi_init_hi, s_save_spi_init_hi, CTX_SAVE_CONTROL +- else +- end +- if ((EMU_RUN_HACK) && (EMU_RUN_HACK_SAVE_SINGLE_WAVE)) +- s_add_i32 s_save_spi_init_lo, s_save_tmp, WG_BASE_ADDR_LO +- s_mov_b32 s_save_spi_init_hi, WG_BASE_ADDR_HI +- s_and_b32 s_save_spi_init_hi, s_save_spi_init_hi, CTX_SAVE_CONTROL +- else +- end +- +- +- s_mov_b32 s_save_buf_rsrc0, s_save_spi_init_lo //base_addr_lo +- s_and_b32 s_save_buf_rsrc1, s_save_spi_init_hi, 0x0000FFFF //base_addr_hi +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, S_SAVE_BUF_RSRC_WORD1_STRIDE +- s_mov_b32 s_save_buf_rsrc2, 0 //NUM_RECORDS initial value = 0 (in bytes) although not neccessarily inited +- s_mov_b32 s_save_buf_rsrc3, S_SAVE_BUF_RSRC_WORD3_MISC +- s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_ATC_MASK +- s_lshr_b32 s_save_tmp, s_save_tmp, (S_SAVE_SPI_INIT_ATC_SHIFT-SQ_BUF_RSRC_WORD1_ATC_SHIFT) //get ATC bit into position +- s_or_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, s_save_tmp //or ATC +- s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_MTYPE_MASK +- s_lshr_b32 s_save_tmp, s_save_tmp, (S_SAVE_SPI_INIT_MTYPE_SHIFT-SQ_BUF_RSRC_WORD3_MTYPE_SHIFT) //get MTYPE bits into position +- s_or_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, s_save_tmp //or MTYPE +- +- //FIXME right now s_save_m0/s_save_mem_offset use tma_lo/tma_hi (might need to save them before using them?) +- s_mov_b32 s_save_m0, m0 //save M0 +- +- /* global mem offset */ +- s_mov_b32 s_save_mem_offset, 0x0 //mem offset initial value = 0 +- +- +- +- +- /* save HW registers */ +- ////////////////////////////// +- +- L_SAVE_HWREG: +- // HWREG SR memory offset : size(VGPR)+size(SGPR) +- get_vgpr_size_bytes(s_save_mem_offset) +- get_sgpr_size_bytes(s_save_tmp) +- s_add_u32 s_save_mem_offset, s_save_mem_offset, s_save_tmp +- +- +- s_mov_b32 s_save_buf_rsrc2, 0x4 //NUM_RECORDS in bytes +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +- +- write_hwreg_to_mem(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset) //M0 +- +- if ((EMU_RUN_HACK) && (EMU_RUN_HACK_SAVE_FIRST_TIME)) +- s_add_u32 s_save_pc_lo, s_save_pc_lo, 4 //pc[31:0]+4 +- s_addc_u32 s_save_pc_hi, s_save_pc_hi, 0x0 //carry bit over +- s_mov_b32 tba_lo, EMU_RUN_HACK_SAVE_FIRST_TIME_TBA_LO +- s_mov_b32 tba_hi, EMU_RUN_HACK_SAVE_FIRST_TIME_TBA_HI +- end +- +- write_hwreg_to_mem(s_save_pc_lo, s_save_buf_rsrc0, s_save_mem_offset) //PC +- write_hwreg_to_mem(s_save_pc_hi, s_save_buf_rsrc0, s_save_mem_offset) +- write_hwreg_to_mem(s_save_exec_lo, s_save_buf_rsrc0, s_save_mem_offset) //EXEC +- write_hwreg_to_mem(s_save_exec_hi, s_save_buf_rsrc0, s_save_mem_offset) +- write_hwreg_to_mem(s_save_status, s_save_buf_rsrc0, s_save_mem_offset) //STATUS +- +- //s_save_trapsts conflicts with s_save_alloc_size +- s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) +- write_hwreg_to_mem(s_save_trapsts, s_save_buf_rsrc0, s_save_mem_offset) //TRAPSTS +- +- write_hwreg_to_mem(s_save_xnack_mask_lo, s_save_buf_rsrc0, s_save_mem_offset) //XNACK_MASK_LO +- write_hwreg_to_mem(s_save_xnack_mask_hi, s_save_buf_rsrc0, s_save_mem_offset) //XNACK_MASK_HI +- +- //use s_save_tmp would introduce conflict here between s_save_tmp and s_save_buf_rsrc2 +- s_getreg_b32 s_save_m0, hwreg(HW_REG_MODE) //MODE +- write_hwreg_to_mem(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset) +- write_hwreg_to_mem(tba_lo, s_save_buf_rsrc0, s_save_mem_offset) //TBA_LO +- write_hwreg_to_mem(tba_hi, s_save_buf_rsrc0, s_save_mem_offset) //TBA_HI +- +- +- +- /* the first wave in the threadgroup */ +- // save fist_wave bits in tba_hi unused bit.26 +- s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_FIRST_WAVE_MASK // extract fisrt wave bit +- //s_or_b32 tba_hi, s_save_tmp, tba_hi // save first wave bit to tba_hi.bits[26] +- s_mov_b32 s_save_exec_hi, 0x0 +- s_or_b32 s_save_exec_hi, s_save_tmp, s_save_exec_hi // save first wave bit to s_save_exec_hi.bits[26] +- +- +- /* save SGPRs */ +- // Save SGPR before LDS save, then the s0 to s4 can be used during LDS save... +- ////////////////////////////// +- +- // SGPR SR memory offset : size(VGPR) +- get_vgpr_size_bytes(s_save_mem_offset) +- // TODO, change RSRC word to rearrange memory layout for SGPRS +- +- s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE) //spgr_size +- s_add_u32 s_save_alloc_size, s_save_alloc_size, 1 +- s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 4 //Number of SGPRs = (sgpr_size + 1) * 16 (non-zero value) +- +- if (SGPR_SAVE_USE_SQC) +- s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 2 //NUM_RECORDS in bytes +- else +- s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 8 //NUM_RECORDS in bytes (64 threads) +- end +- +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +- +- // backup s_save_buf_rsrc0,1 to s_save_pc_lo/hi, since write_16sgpr_to_mem function will change the rsrc0 +- //s_mov_b64 s_save_pc_lo, s_save_buf_rsrc0 +- s_mov_b64 s_save_xnack_mask_lo, s_save_buf_rsrc0 +- s_add_u32 s_save_buf_rsrc0, s_save_buf_rsrc0, s_save_mem_offset +- s_addc_u32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0 +- +- s_mov_b32 m0, 0x0 //SGPR initial index value =0 +- L_SAVE_SGPR_LOOP: +- // SGPR is allocated in 16 SGPR granularity +- s_movrels_b64 s0, s0 //s0 = s[0+m0], s1 = s[1+m0] +- s_movrels_b64 s2, s2 //s2 = s[2+m0], s3 = s[3+m0] +- s_movrels_b64 s4, s4 //s4 = s[4+m0], s5 = s[5+m0] +- s_movrels_b64 s6, s6 //s6 = s[6+m0], s7 = s[7+m0] +- s_movrels_b64 s8, s8 //s8 = s[8+m0], s9 = s[9+m0] +- s_movrels_b64 s10, s10 //s10 = s[10+m0], s11 = s[11+m0] +- s_movrels_b64 s12, s12 //s12 = s[12+m0], s13 = s[13+m0] +- s_movrels_b64 s14, s14 //s14 = s[14+m0], s15 = s[15+m0] +- +- write_16sgpr_to_mem(s0, s_save_buf_rsrc0, s_save_mem_offset) //PV: the best performance should be using s_buffer_store_dwordx4 +- s_add_u32 m0, m0, 16 //next sgpr index +- s_cmp_lt_u32 m0, s_save_alloc_size //scc = (m0 < s_save_alloc_size) ? 1 : 0 +- s_cbranch_scc1 L_SAVE_SGPR_LOOP //SGPR save is complete? +- // restore s_save_buf_rsrc0,1 +- //s_mov_b64 s_save_buf_rsrc0, s_save_pc_lo +- s_mov_b64 s_save_buf_rsrc0, s_save_xnack_mask_lo +- +- +- +- +- /* save first 4 VGPR, then LDS save could use */ +- // each wave will alloc 4 vgprs at least... +- ///////////////////////////////////////////////////////////////////////////////////// +- +- s_mov_b32 s_save_mem_offset, 0 +- s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on +- s_mov_b32 exec_hi, 0xFFFFFFFF +- +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +- +- // VGPR Allocated in 4-GPR granularity +- +-if G8SR_VGPR_SR_IN_DWX4 +- // the const stride for DWx4 is 4*4 bytes +- s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 // const stride to 4*4 bytes +- +- buffer_store_dwordx4 v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 +- +- s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, S_SAVE_BUF_RSRC_WORD1_STRIDE // reset const stride to 4 bytes +-else +- buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 +- buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256 +- buffer_store_dword v2, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*2 +- buffer_store_dword v3, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*3 +-end +- +- +- +- /* save LDS */ +- ////////////////////////////// +- +- L_SAVE_LDS: +- +- // Change EXEC to all threads... +- s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on +- s_mov_b32 exec_hi, 0xFFFFFFFF +- +- s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) //lds_size +- s_and_b32 s_save_alloc_size, s_save_alloc_size, 0xFFFFFFFF //lds_size is zero? +- s_cbranch_scc0 L_SAVE_LDS_DONE //no lds used? jump to L_SAVE_DONE +- +- s_barrier //LDS is used? wait for other waves in the same TG +- //s_and_b32 s_save_tmp, tba_hi, S_SAVE_SPI_INIT_FIRST_WAVE_MASK //exec is still used here +- s_and_b32 s_save_tmp, s_save_exec_hi, S_SAVE_SPI_INIT_FIRST_WAVE_MASK //exec is still used here +- s_cbranch_scc0 L_SAVE_LDS_DONE +- +- // first wave do LDS save; +- +- s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 6 //LDS size in dwords = lds_size * 64dw +- s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 2 //LDS size in bytes +- s_mov_b32 s_save_buf_rsrc2, s_save_alloc_size //NUM_RECORDS in bytes +- +- // LDS at offset: size(VGPR)+SIZE(SGPR)+SIZE(HWREG) +- // +- get_vgpr_size_bytes(s_save_mem_offset) +- get_sgpr_size_bytes(s_save_tmp) +- s_add_u32 s_save_mem_offset, s_save_mem_offset, s_save_tmp +- s_add_u32 s_save_mem_offset, s_save_mem_offset, get_hwreg_size_bytes() +- +- +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +- s_mov_b32 m0, 0x0 //lds_offset initial value = 0 +- +- +-var LDS_DMA_ENABLE = 0 +-var UNROLL = 0 +-if UNROLL==0 && LDS_DMA_ENABLE==1 +- s_mov_b32 s3, 256*2 +- s_nop 0 +- s_nop 0 +- s_nop 0 +- L_SAVE_LDS_LOOP: +- //TODO: looks the 2 buffer_store/load clause for s/r will hurt performance.??? +- if (SAVE_LDS) //SPI always alloc LDS space in 128DW granularity +- buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 // first 64DW +- buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 offset:256 // second 64DW +- end +- +- s_add_u32 m0, m0, s3 //every buffer_store_lds does 256 bytes +- s_add_u32 s_save_mem_offset, s_save_mem_offset, s3 //mem offset increased by 256 bytes +- s_cmp_lt_u32 m0, s_save_alloc_size //scc=(m0 < s_save_alloc_size) ? 1 : 0 +- s_cbranch_scc1 L_SAVE_LDS_LOOP //LDS save is complete? +- +-elsif LDS_DMA_ENABLE==1 && UNROLL==1 // UNROOL , has ichace miss +- // store from higest LDS address to lowest +- s_mov_b32 s3, 256*2 +- s_sub_u32 m0, s_save_alloc_size, s3 +- s_add_u32 s_save_mem_offset, s_save_mem_offset, m0 +- s_lshr_b32 s_save_alloc_size, s_save_alloc_size, 9 // how many 128 trunks... +- s_sub_u32 s_save_alloc_size, 128, s_save_alloc_size // store from higheset addr to lowest +- s_mul_i32 s_save_alloc_size, s_save_alloc_size, 6*4 // PC offset increment, each LDS save block cost 6*4 Bytes instruction +- s_add_u32 s_save_alloc_size, s_save_alloc_size, 3*4 //2is the below 2 inst...//s_addc and s_setpc +- s_nop 0 +- s_nop 0 +- s_nop 0 //pad 3 dw to let LDS_DMA align with 64Bytes +- s_getpc_b64 s[0:1] // reuse s[0:1], since s[0:1] already saved +- s_add_u32 s0, s0,s_save_alloc_size +- s_addc_u32 s1, s1, 0 +- s_setpc_b64 s[0:1] +- +- +- for var i =0; i< 128; i++ +- // be careful to make here a 64Byte aligned address, which could improve performance... +- buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 offset:0 // first 64DW +- buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 offset:256 // second 64DW +- +- if i!=127 +- s_sub_u32 m0, m0, s3 // use a sgpr to shrink 2DW-inst to 1DW inst to improve performance , i.e. pack more LDS_DMA inst to one Cacheline +- s_sub_u32 s_save_mem_offset, s_save_mem_offset, s3 +- end +- end +- +-else // BUFFER_STORE +- v_mbcnt_lo_u32_b32 v2, 0xffffffff, 0x0 +- v_mbcnt_hi_u32_b32 v3, 0xffffffff, v2 // tid +- v_mul_i32_i24 v2, v3, 8 // tid*8 +- v_mov_b32 v3, 256*2 +- s_mov_b32 m0, 0x10000 +- s_mov_b32 s0, s_save_buf_rsrc3 +- s_and_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, 0xFF7FFFFF // disable add_tid +- s_or_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, 0x58000 //DFMT +- +-L_SAVE_LDS_LOOP_VECTOR: +- ds_read_b64 v[0:1], v2 //x =LDS[a], byte address +- s_waitcnt lgkmcnt(0) +- buffer_store_dwordx2 v[0:1], v2, s_save_buf_rsrc0, s_save_mem_offset offen:1 glc:1 slc:1 +-// s_waitcnt vmcnt(0) +- v_add_u32 v2, vcc[0:1], v2, v3 +- v_cmp_lt_u32 vcc[0:1], v2, s_save_alloc_size +- s_cbranch_vccnz L_SAVE_LDS_LOOP_VECTOR +- +- // restore rsrc3 +- s_mov_b32 s_save_buf_rsrc3, s0 +- +-end +- +-L_SAVE_LDS_DONE: +- +- +- /* save VGPRs - set the Rest VGPRs */ +- ////////////////////////////////////////////////////////////////////////////////////// +- L_SAVE_VGPR: +- // VGPR SR memory offset: 0 +- // TODO rearrange the RSRC words to use swizzle for VGPR save... +- +- s_mov_b32 s_save_mem_offset, (0+256*4) // for the rest VGPRs +- s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on +- s_mov_b32 exec_hi, 0xFFFFFFFF +- +- s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) //vpgr_size +- s_add_u32 s_save_alloc_size, s_save_alloc_size, 1 +- s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 2 //Number of VGPRs = (vgpr_size + 1) * 4 (non-zero value) //FIXME for GFX, zero is possible +- s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 8 //NUM_RECORDS in bytes (64 threads*4) +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +- +- // VGPR Allocated in 4-GPR granularity +- +-if G8SR_VGPR_SR_IN_DWX4 +- // the const stride for DWx4 is 4*4 bytes +- s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 // const stride to 4*4 bytes +- +- s_mov_b32 m0, 4 // skip first 4 VGPRs +- s_cmp_lt_u32 m0, s_save_alloc_size +- s_cbranch_scc0 L_SAVE_VGPR_LOOP_END // no more vgprs +- +- s_set_gpr_idx_on m0, 0x1 // This will change M0 +- s_add_u32 s_save_alloc_size, s_save_alloc_size, 0x1000 // because above inst change m0 +-L_SAVE_VGPR_LOOP: +- v_mov_b32 v0, v0 // v0 = v[0+m0] +- v_mov_b32 v1, v1 +- v_mov_b32 v2, v2 +- v_mov_b32 v3, v3 +- +- +- buffer_store_dwordx4 v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 +- s_add_u32 m0, m0, 4 +- s_add_u32 s_save_mem_offset, s_save_mem_offset, 256*4 +- s_cmp_lt_u32 m0, s_save_alloc_size +- s_cbranch_scc1 L_SAVE_VGPR_LOOP //VGPR save is complete? +- s_set_gpr_idx_off +-L_SAVE_VGPR_LOOP_END: +- +- s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, S_SAVE_BUF_RSRC_WORD1_STRIDE // reset const stride to 4 bytes +-else +- // VGPR store using dw burst +- s_mov_b32 m0, 0x4 //VGPR initial index value =0 +- s_cmp_lt_u32 m0, s_save_alloc_size +- s_cbranch_scc0 L_SAVE_VGPR_END +- +- +- s_set_gpr_idx_on m0, 0x1 //M0[7:0] = M0[7:0] and M0[15:12] = 0x1 +- s_add_u32 s_save_alloc_size, s_save_alloc_size, 0x1000 //add 0x1000 since we compare m0 against it later +- +- L_SAVE_VGPR_LOOP: +- v_mov_b32 v0, v0 //v0 = v[0+m0] +- v_mov_b32 v1, v1 //v0 = v[0+m0] +- v_mov_b32 v2, v2 //v0 = v[0+m0] +- v_mov_b32 v3, v3 //v0 = v[0+m0] +- +- if(USE_MTBUF_INSTEAD_OF_MUBUF) +- tbuffer_store_format_x v0, v0, s_save_buf_rsrc0, s_save_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 +- else +- buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 +- buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256 +- buffer_store_dword v2, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*2 +- buffer_store_dword v3, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*3 +- end +- +- s_add_u32 m0, m0, 4 //next vgpr index +- s_add_u32 s_save_mem_offset, s_save_mem_offset, 256*4 //every buffer_store_dword does 256 bytes +- s_cmp_lt_u32 m0, s_save_alloc_size //scc = (m0 < s_save_alloc_size) ? 1 : 0 +- s_cbranch_scc1 L_SAVE_VGPR_LOOP //VGPR save is complete? +- s_set_gpr_idx_off +-end +- +-L_SAVE_VGPR_END: +- +- +- +- +- +- +- /* S_PGM_END_SAVED */ //FIXME graphics ONLY +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_SAVE_NORMAL_EXIT)) +- s_and_b32 s_save_pc_hi, s_save_pc_hi, 0x0000ffff //pc[47:32] +- s_add_u32 s_save_pc_lo, s_save_pc_lo, 4 //pc[31:0]+4 +- s_addc_u32 s_save_pc_hi, s_save_pc_hi, 0x0 //carry bit over +- s_rfe_b64 s_save_pc_lo //Return to the main shader program +- else +- end +- +-// Save Done timestamp +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_save_d +- // SGPR SR memory offset : size(VGPR) +- get_vgpr_size_bytes(s_save_mem_offset) +- s_add_u32 s_save_mem_offset, s_save_mem_offset, G8SR_DEBUG_TS_SAVE_D_OFFSET +- s_waitcnt lgkmcnt(0) //FIXME, will cause xnack?? +- // Need reset rsrc2?? +- s_mov_b32 m0, s_save_mem_offset +- s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- s_buffer_store_dwordx2 s_g8sr_ts_save_d, s_save_buf_rsrc0, m0 glc:1 +-end +- +- +- s_branch L_END_PGM +- +- +- +-/**************************************************************************/ +-/* restore routine */ +-/**************************************************************************/ +- +-L_RESTORE: +- /* Setup Resource Contants */ +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) +- //calculate wd_addr using absolute thread id +- v_readlane_b32 s_restore_tmp, v9, 0 +- s_lshr_b32 s_restore_tmp, s_restore_tmp, 6 +- s_mul_i32 s_restore_tmp, s_restore_tmp, WAVE_SPACE +- s_add_i32 s_restore_spi_init_lo, s_restore_tmp, WG_BASE_ADDR_LO +- s_mov_b32 s_restore_spi_init_hi, WG_BASE_ADDR_HI +- s_and_b32 s_restore_spi_init_hi, s_restore_spi_init_hi, CTX_RESTORE_CONTROL +- else +- end +- +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_restore_s +- s_waitcnt lgkmcnt(0) //FIXME, will cause xnack?? +- // tma_lo/hi are sgpr 110, 111, which will not used for 112 SGPR allocated case... +- s_mov_b32 s_restore_pc_lo, s_g8sr_ts_restore_s[0] +- s_mov_b32 s_restore_pc_hi, s_g8sr_ts_restore_s[1] //backup ts to ttmp0/1, sicne exec will be finally restored.. +-end +- +- +- +- s_mov_b32 s_restore_buf_rsrc0, s_restore_spi_init_lo //base_addr_lo +- s_and_b32 s_restore_buf_rsrc1, s_restore_spi_init_hi, 0x0000FFFF //base_addr_hi +- s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, S_RESTORE_BUF_RSRC_WORD1_STRIDE +- s_mov_b32 s_restore_buf_rsrc2, 0 //NUM_RECORDS initial value = 0 (in bytes) +- s_mov_b32 s_restore_buf_rsrc3, S_RESTORE_BUF_RSRC_WORD3_MISC +- s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_ATC_MASK +- s_lshr_b32 s_restore_tmp, s_restore_tmp, (S_RESTORE_SPI_INIT_ATC_SHIFT-SQ_BUF_RSRC_WORD1_ATC_SHIFT) //get ATC bit into position +- s_or_b32 s_restore_buf_rsrc3, s_restore_buf_rsrc3, s_restore_tmp //or ATC +- s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_MTYPE_MASK +- s_lshr_b32 s_restore_tmp, s_restore_tmp, (S_RESTORE_SPI_INIT_MTYPE_SHIFT-SQ_BUF_RSRC_WORD3_MTYPE_SHIFT) //get MTYPE bits into position +- s_or_b32 s_restore_buf_rsrc3, s_restore_buf_rsrc3, s_restore_tmp //or MTYPE +- +- /* global mem offset */ +-// s_mov_b32 s_restore_mem_offset, 0x0 //mem offset initial value = 0 +- +- /* the first wave in the threadgroup */ +- s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_FIRST_WAVE_MASK +- s_cbranch_scc0 L_RESTORE_VGPR +- +- /* restore LDS */ +- ////////////////////////////// +- L_RESTORE_LDS: +- +- s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on //be consistent with SAVE although can be moved ahead +- s_mov_b32 exec_hi, 0xFFFFFFFF +- +- s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) //lds_size +- s_and_b32 s_restore_alloc_size, s_restore_alloc_size, 0xFFFFFFFF //lds_size is zero? +- s_cbranch_scc0 L_RESTORE_VGPR //no lds used? jump to L_RESTORE_VGPR +- s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 6 //LDS size in dwords = lds_size * 64dw +- s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 2 //LDS size in bytes +- s_mov_b32 s_restore_buf_rsrc2, s_restore_alloc_size //NUM_RECORDS in bytes +- +- // LDS at offset: size(VGPR)+SIZE(SGPR)+SIZE(HWREG) +- // +- get_vgpr_size_bytes(s_restore_mem_offset) +- get_sgpr_size_bytes(s_restore_tmp) +- s_add_u32 s_restore_mem_offset, s_restore_mem_offset, s_restore_tmp +- s_add_u32 s_restore_mem_offset, s_restore_mem_offset, get_hwreg_size_bytes() //FIXME, Check if offset overflow??? +- +- +- if (SWIZZLE_EN) +- s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- s_mov_b32 m0, 0x0 //lds_offset initial value = 0 +- +- L_RESTORE_LDS_LOOP: +- if (SAVE_LDS) +- buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset lds:1 // first 64DW +- buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset lds:1 offset:256 // second 64DW +- end +- s_add_u32 m0, m0, 256*2 // 128 DW +- s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256*2 //mem offset increased by 128DW +- s_cmp_lt_u32 m0, s_restore_alloc_size //scc=(m0 < s_restore_alloc_size) ? 1 : 0 +- s_cbranch_scc1 L_RESTORE_LDS_LOOP //LDS restore is complete? +- +- +- /* restore VGPRs */ +- ////////////////////////////// +- L_RESTORE_VGPR: +- // VGPR SR memory offset : 0 +- s_mov_b32 s_restore_mem_offset, 0x0 +- s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on //be consistent with SAVE although can be moved ahead +- s_mov_b32 exec_hi, 0xFFFFFFFF +- +- s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) //vpgr_size +- s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 1 +- s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 2 //Number of VGPRs = (vgpr_size + 1) * 4 (non-zero value) +- s_lshl_b32 s_restore_buf_rsrc2, s_restore_alloc_size, 8 //NUM_RECORDS in bytes (64 threads*4) +- if (SWIZZLE_EN) +- s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +-if G8SR_VGPR_SR_IN_DWX4 +- get_vgpr_size_bytes(s_restore_mem_offset) +- s_sub_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 +- +- // the const stride for DWx4 is 4*4 bytes +- s_and_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, G8SR_RESTORE_BUF_RSRC_WORD1_STRIDE_DWx4 // const stride to 4*4 bytes +- +- s_mov_b32 m0, s_restore_alloc_size +- s_set_gpr_idx_on m0, 0x8 // Note.. This will change m0 +- +-L_RESTORE_VGPR_LOOP: +- buffer_load_dwordx4 v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 +- s_waitcnt vmcnt(0) +- s_sub_u32 m0, m0, 4 +- v_mov_b32 v0, v0 // v[0+m0] = v0 +- v_mov_b32 v1, v1 +- v_mov_b32 v2, v2 +- v_mov_b32 v3, v3 +- s_sub_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 +- s_cmp_eq_u32 m0, 0x8000 +- s_cbranch_scc0 L_RESTORE_VGPR_LOOP +- s_set_gpr_idx_off +- +- s_and_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, S_RESTORE_BUF_RSRC_WORD1_STRIDE // const stride to 4*4 bytes +- +-else +- // VGPR load using dw burst +- s_mov_b32 s_restore_mem_offset_save, s_restore_mem_offset // restore start with v1, v0 will be the last +- s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 +- s_mov_b32 m0, 4 //VGPR initial index value = 1 +- s_set_gpr_idx_on m0, 0x8 //M0[7:0] = M0[7:0] and M0[15:12] = 0x8 +- s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 0x8000 //add 0x8000 since we compare m0 against it later +- +- L_RESTORE_VGPR_LOOP: +- if(USE_MTBUF_INSTEAD_OF_MUBUF) +- tbuffer_load_format_x v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 +- else +- buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 +- buffer_load_dword v1, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256 +- buffer_load_dword v2, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256*2 +- buffer_load_dword v3, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256*3 +- end +- s_waitcnt vmcnt(0) //ensure data ready +- v_mov_b32 v0, v0 //v[0+m0] = v0 +- v_mov_b32 v1, v1 +- v_mov_b32 v2, v2 +- v_mov_b32 v3, v3 +- s_add_u32 m0, m0, 4 //next vgpr index +- s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 //every buffer_load_dword does 256 bytes +- s_cmp_lt_u32 m0, s_restore_alloc_size //scc = (m0 < s_restore_alloc_size) ? 1 : 0 +- s_cbranch_scc1 L_RESTORE_VGPR_LOOP //VGPR restore (except v0) is complete? +- s_set_gpr_idx_off +- /* VGPR restore on v0 */ +- if(USE_MTBUF_INSTEAD_OF_MUBUF) +- tbuffer_load_format_x v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 +- else +- buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 +- buffer_load_dword v1, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256 +- buffer_load_dword v2, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256*2 +- buffer_load_dword v3, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256*3 +- end +- +-end +- +- /* restore SGPRs */ +- ////////////////////////////// +- +- // SGPR SR memory offset : size(VGPR) +- get_vgpr_size_bytes(s_restore_mem_offset) +- get_sgpr_size_bytes(s_restore_tmp) +- s_add_u32 s_restore_mem_offset, s_restore_mem_offset, s_restore_tmp +- s_sub_u32 s_restore_mem_offset, s_restore_mem_offset, 16*4 // restore SGPR from S[n] to S[0], by 16 sgprs group +- // TODO, change RSRC word to rearrange memory layout for SGPRS +- +- s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE) //spgr_size +- s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 1 +- s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 4 //Number of SGPRs = (sgpr_size + 1) * 16 (non-zero value) +- +- if (SGPR_SAVE_USE_SQC) +- s_lshl_b32 s_restore_buf_rsrc2, s_restore_alloc_size, 2 //NUM_RECORDS in bytes +- else +- s_lshl_b32 s_restore_buf_rsrc2, s_restore_alloc_size, 8 //NUM_RECORDS in bytes (64 threads) +- end +- if (SWIZZLE_EN) +- s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +- /* If 112 SGPRs ar allocated, 4 sgprs are not used TBA(108,109),TMA(110,111), +- However, we are safe to restore these 4 SGPRs anyway, since TBA,TMA will later be restored by HWREG +- */ +- s_mov_b32 m0, s_restore_alloc_size +- +- L_RESTORE_SGPR_LOOP: +- read_16sgpr_from_mem(s0, s_restore_buf_rsrc0, s_restore_mem_offset) //PV: further performance improvement can be made +- s_waitcnt lgkmcnt(0) //ensure data ready +- +- s_sub_u32 m0, m0, 16 // Restore from S[n] to S[0] +- +- s_movreld_b64 s0, s0 //s[0+m0] = s0 +- s_movreld_b64 s2, s2 +- s_movreld_b64 s4, s4 +- s_movreld_b64 s6, s6 +- s_movreld_b64 s8, s8 +- s_movreld_b64 s10, s10 +- s_movreld_b64 s12, s12 +- s_movreld_b64 s14, s14 +- +- s_cmp_eq_u32 m0, 0 //scc = (m0 < s_restore_alloc_size) ? 1 : 0 +- s_cbranch_scc0 L_RESTORE_SGPR_LOOP //SGPR restore (except s0) is complete? +- +- /* restore HW registers */ +- ////////////////////////////// +- L_RESTORE_HWREG: +- +- +-if G8SR_DEBUG_TIMESTAMP +- s_mov_b32 s_g8sr_ts_restore_s[0], s_restore_pc_lo +- s_mov_b32 s_g8sr_ts_restore_s[1], s_restore_pc_hi +-end +- +- // HWREG SR memory offset : size(VGPR)+size(SGPR) +- get_vgpr_size_bytes(s_restore_mem_offset) +- get_sgpr_size_bytes(s_restore_tmp) +- s_add_u32 s_restore_mem_offset, s_restore_mem_offset, s_restore_tmp +- +- +- s_mov_b32 s_restore_buf_rsrc2, 0x4 //NUM_RECORDS in bytes +- if (SWIZZLE_EN) +- s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +- read_hwreg_from_mem(s_restore_m0, s_restore_buf_rsrc0, s_restore_mem_offset) //M0 +- read_hwreg_from_mem(s_restore_pc_lo, s_restore_buf_rsrc0, s_restore_mem_offset) //PC +- read_hwreg_from_mem(s_restore_pc_hi, s_restore_buf_rsrc0, s_restore_mem_offset) +- read_hwreg_from_mem(s_restore_exec_lo, s_restore_buf_rsrc0, s_restore_mem_offset) //EXEC +- read_hwreg_from_mem(s_restore_exec_hi, s_restore_buf_rsrc0, s_restore_mem_offset) +- read_hwreg_from_mem(s_restore_status, s_restore_buf_rsrc0, s_restore_mem_offset) //STATUS +- read_hwreg_from_mem(s_restore_trapsts, s_restore_buf_rsrc0, s_restore_mem_offset) //TRAPSTS +- read_hwreg_from_mem(xnack_mask_lo, s_restore_buf_rsrc0, s_restore_mem_offset) //XNACK_MASK_LO +- read_hwreg_from_mem(xnack_mask_hi, s_restore_buf_rsrc0, s_restore_mem_offset) //XNACK_MASK_HI +- read_hwreg_from_mem(s_restore_mode, s_restore_buf_rsrc0, s_restore_mem_offset) //MODE +- read_hwreg_from_mem(tba_lo, s_restore_buf_rsrc0, s_restore_mem_offset) //TBA_LO +- read_hwreg_from_mem(tba_hi, s_restore_buf_rsrc0, s_restore_mem_offset) //TBA_HI +- +- s_waitcnt lgkmcnt(0) //from now on, it is safe to restore STATUS and IB_STS +- +- s_and_b32 s_restore_pc_hi, s_restore_pc_hi, 0x0000ffff //pc[47:32] //Do it here in order not to affect STATUS +- +- //for normal save & restore, the saved PC points to the next inst to execute, no adjustment needs to be made, otherwise: +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) +- s_add_u32 s_restore_pc_lo, s_restore_pc_lo, 8 //pc[31:0]+8 //two back-to-back s_trap are used (first for save and second for restore) +- s_addc_u32 s_restore_pc_hi, s_restore_pc_hi, 0x0 //carry bit over +- end +- if ((EMU_RUN_HACK) && (EMU_RUN_HACK_RESTORE_NORMAL)) +- s_add_u32 s_restore_pc_lo, s_restore_pc_lo, 4 //pc[31:0]+4 // save is hack through s_trap but restore is normal +- s_addc_u32 s_restore_pc_hi, s_restore_pc_hi, 0x0 //carry bit over +- end +- +- s_mov_b32 m0, s_restore_m0 +- s_mov_b32 exec_lo, s_restore_exec_lo +- s_mov_b32 exec_hi, s_restore_exec_hi +- +- s_and_b32 s_restore_m0, SQ_WAVE_TRAPSTS_PRE_SAVECTX_MASK, s_restore_trapsts +- s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_PRE_SAVECTX_SHIFT, SQ_WAVE_TRAPSTS_PRE_SAVECTX_SIZE), s_restore_m0 +- s_and_b32 s_restore_m0, SQ_WAVE_TRAPSTS_POST_SAVECTX_MASK, s_restore_trapsts +- s_lshr_b32 s_restore_m0, s_restore_m0, SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT +- s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT, SQ_WAVE_TRAPSTS_POST_SAVECTX_SIZE), s_restore_m0 +- //s_setreg_b32 hwreg(HW_REG_TRAPSTS), s_restore_trapsts //don't overwrite SAVECTX bit as it may be set through external SAVECTX during restore +- s_setreg_b32 hwreg(HW_REG_MODE), s_restore_mode +- //reuse s_restore_m0 as a temp register +- s_and_b32 s_restore_m0, s_restore_pc_hi, S_SAVE_PC_HI_RCNT_MASK +- s_lshr_b32 s_restore_m0, s_restore_m0, S_SAVE_PC_HI_RCNT_SHIFT +- s_lshl_b32 s_restore_m0, s_restore_m0, SQ_WAVE_IB_STS_RCNT_SHIFT +- s_mov_b32 s_restore_tmp, 0x0 //IB_STS is zero +- s_or_b32 s_restore_tmp, s_restore_tmp, s_restore_m0 +- s_and_b32 s_restore_m0, s_restore_pc_hi, S_SAVE_PC_HI_FIRST_REPLAY_MASK +- s_lshr_b32 s_restore_m0, s_restore_m0, S_SAVE_PC_HI_FIRST_REPLAY_SHIFT +- s_lshl_b32 s_restore_m0, s_restore_m0, SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT +- s_or_b32 s_restore_tmp, s_restore_tmp, s_restore_m0 +- s_and_b32 s_restore_m0, s_restore_status, SQ_WAVE_STATUS_INST_ATC_MASK +- s_lshr_b32 s_restore_m0, s_restore_m0, SQ_WAVE_STATUS_INST_ATC_SHIFT +- s_setreg_b32 hwreg(HW_REG_IB_STS), s_restore_tmp +- +- s_and_b64 exec, exec, exec // Restore STATUS.EXECZ, not writable by s_setreg_b32 +- s_and_b64 vcc, vcc, vcc // Restore STATUS.VCCZ, not writable by s_setreg_b32 +- s_setreg_b32 hwreg(HW_REG_STATUS), s_restore_status // SCC is included, which is changed by previous salu +- +- s_barrier //barrier to ensure the readiness of LDS before access attemps from any other wave in the same TG //FIXME not performance-optimal at this time +- +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_restore_d +- s_waitcnt lgkmcnt(0) +-end +- +-// s_rfe_b64 s_restore_pc_lo //Return to the main shader program and resume execution +- s_rfe_restore_b64 s_restore_pc_lo, s_restore_m0 // s_restore_m0[0] is used to set STATUS.inst_atc +- +- +-/**************************************************************************/ +-/* the END */ +-/**************************************************************************/ +-L_END_PGM: +- s_endpgm +- +-end +- +- +-/**************************************************************************/ +-/* the helper functions */ +-/**************************************************************************/ +- +-//Only for save hwreg to mem +-function write_hwreg_to_mem(s, s_rsrc, s_mem_offset) +- s_mov_b32 exec_lo, m0 //assuming exec_lo is not needed anymore from this point on +- s_mov_b32 m0, s_mem_offset +- s_buffer_store_dword s, s_rsrc, m0 glc:1 +- s_add_u32 s_mem_offset, s_mem_offset, 4 +- s_mov_b32 m0, exec_lo +-end +- +- +-// HWREG are saved before SGPRs, so all HWREG could be use. +-function write_16sgpr_to_mem(s, s_rsrc, s_mem_offset) +- +- s_buffer_store_dwordx4 s[0], s_rsrc, 0 glc:1 +- s_buffer_store_dwordx4 s[4], s_rsrc, 16 glc:1 +- s_buffer_store_dwordx4 s[8], s_rsrc, 32 glc:1 +- s_buffer_store_dwordx4 s[12], s_rsrc, 48 glc:1 +- s_add_u32 s_rsrc[0], s_rsrc[0], 4*16 +- s_addc_u32 s_rsrc[1], s_rsrc[1], 0x0 // +scc +-end +- +- +-function read_hwreg_from_mem(s, s_rsrc, s_mem_offset) +- s_buffer_load_dword s, s_rsrc, s_mem_offset glc:1 +- s_add_u32 s_mem_offset, s_mem_offset, 4 +-end +- +-function read_16sgpr_from_mem(s, s_rsrc, s_mem_offset) +- s_buffer_load_dwordx16 s, s_rsrc, s_mem_offset glc:1 +- s_sub_u32 s_mem_offset, s_mem_offset, 4*16 +-end +- +- +- +-function get_lds_size_bytes(s_lds_size_byte) +- // SQ LDS granularity is 64DW, while PGM_RSRC2.lds_size is in granularity 128DW +- s_getreg_b32 s_lds_size_byte, hwreg(HW_REG_LDS_ALLOC, SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT, SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) // lds_size +- s_lshl_b32 s_lds_size_byte, s_lds_size_byte, 8 //LDS size in dwords = lds_size * 64 *4Bytes // granularity 64DW +-end +- +-function get_vgpr_size_bytes(s_vgpr_size_byte) +- s_getreg_b32 s_vgpr_size_byte, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) //vpgr_size +- s_add_u32 s_vgpr_size_byte, s_vgpr_size_byte, 1 +- s_lshl_b32 s_vgpr_size_byte, s_vgpr_size_byte, (2+8) //Number of VGPRs = (vgpr_size + 1) * 4 * 64 * 4 (non-zero value) //FIXME for GFX, zero is possible +-end +- +-function get_sgpr_size_bytes(s_sgpr_size_byte) +- s_getreg_b32 s_sgpr_size_byte, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE) //spgr_size +- s_add_u32 s_sgpr_size_byte, s_sgpr_size_byte, 1 +- s_lshl_b32 s_sgpr_size_byte, s_sgpr_size_byte, 6 //Number of SGPRs = (sgpr_size + 1) * 16 *4 (non-zero value) +-end +- +-function get_hwreg_size_bytes +- return 128 //HWREG size 128 bytes +-end +- +- +-#endif +- +-static const uint32_t cwsr_trap_gfx8_hex[] = { +- 0xbf820001, 0xbf820123, +- 0xb8f4f802, 0x89748674, +- 0xb8f5f803, 0x8675ff75, +- 0x00000400, 0xbf850011, +- 0xc00a1e37, 0x00000000, +- 0xbf8c007f, 0x87777978, +- 0xbf840002, 0xb974f802, +- 0xbe801d78, 0xb8f5f803, +- 0x8675ff75, 0x000001ff, +- 0xbf850002, 0x80708470, +- 0x82718071, 0x8671ff71, +- 0x0000ffff, 0xb974f802, +- 0xbe801f70, 0xb8f5f803, +- 0x8675ff75, 0x00000100, +- 0xbf840006, 0xbefa0080, +- 0xb97a0203, 0x8671ff71, +- 0x0000ffff, 0x80f08870, +- 0x82f18071, 0xbefa0080, +- 0xb97a0283, 0xbef60068, +- 0xbef70069, 0xb8fa1c07, +- 0x8e7a9c7a, 0x87717a71, +- 0xb8fa03c7, 0x8e7a9b7a, +- 0x87717a71, 0xb8faf807, +- 0x867aff7a, 0x00007fff, +- 0xb97af807, 0xbef2007e, +- 0xbef3007f, 0xbefe0180, +- 0xbf900004, 0xbf8e0002, +- 0xbf88fffe, 0xbef8007e, +- 0x8679ff7f, 0x0000ffff, +- 0x8779ff79, 0x00040000, +- 0xbefa0080, 0xbefb00ff, +- 0x00807fac, 0x867aff7f, +- 0x08000000, 0x8f7a837a, +- 0x877b7a7b, 0x867aff7f, +- 0x70000000, 0x8f7a817a, +- 0x877b7a7b, 0xbeef007c, +- 0xbeee0080, 0xb8ee2a05, +- 0x806e816e, 0x8e6e8a6e, +- 0xb8fa1605, 0x807a817a, +- 0x8e7a867a, 0x806e7a6e, +- 0xbefa0084, 0xbefa00ff, +- 0x01000000, 0xbefe007c, +- 0xbefc006e, 0xc0611bfc, +- 0x0000007c, 0x806e846e, +- 0xbefc007e, 0xbefe007c, +- 0xbefc006e, 0xc0611c3c, +- 0x0000007c, 0x806e846e, +- 0xbefc007e, 0xbefe007c, +- 0xbefc006e, 0xc0611c7c, +- 0x0000007c, 0x806e846e, +- 0xbefc007e, 0xbefe007c, +- 0xbefc006e, 0xc0611cbc, +- 0x0000007c, 0x806e846e, +- 0xbefc007e, 0xbefe007c, +- 0xbefc006e, 0xc0611cfc, +- 0x0000007c, 0x806e846e, +- 0xbefc007e, 0xbefe007c, +- 0xbefc006e, 0xc0611d3c, +- 0x0000007c, 0x806e846e, +- 0xbefc007e, 0xb8f5f803, +- 0xbefe007c, 0xbefc006e, +- 0xc0611d7c, 0x0000007c, +- 0x806e846e, 0xbefc007e, +- 0xbefe007c, 0xbefc006e, +- 0xc0611dbc, 0x0000007c, +- 0x806e846e, 0xbefc007e, +- 0xbefe007c, 0xbefc006e, +- 0xc0611dfc, 0x0000007c, +- 0x806e846e, 0xbefc007e, +- 0xb8eff801, 0xbefe007c, +- 0xbefc006e, 0xc0611bfc, +- 0x0000007c, 0x806e846e, +- 0xbefc007e, 0xbefe007c, +- 0xbefc006e, 0xc0611b3c, +- 0x0000007c, 0x806e846e, +- 0xbefc007e, 0xbefe007c, +- 0xbefc006e, 0xc0611b7c, +- 0x0000007c, 0x806e846e, +- 0xbefc007e, 0x867aff7f, +- 0x04000000, 0xbef30080, +- 0x8773737a, 0xb8ee2a05, +- 0x806e816e, 0x8e6e8a6e, +- 0xb8f51605, 0x80758175, +- 0x8e758475, 0x8e7a8275, +- 0xbefa00ff, 0x01000000, +- 0xbef60178, 0x80786e78, +- 0x82798079, 0xbefc0080, +- 0xbe802b00, 0xbe822b02, +- 0xbe842b04, 0xbe862b06, +- 0xbe882b08, 0xbe8a2b0a, +- 0xbe8c2b0c, 0xbe8e2b0e, +- 0xc06b003c, 0x00000000, +- 0xc06b013c, 0x00000010, +- 0xc06b023c, 0x00000020, +- 0xc06b033c, 0x00000030, +- 0x8078c078, 0x82798079, +- 0x807c907c, 0xbf0a757c, +- 0xbf85ffeb, 0xbef80176, +- 0xbeee0080, 0xbefe00c1, +- 0xbeff00c1, 0xbefa00ff, +- 0x01000000, 0xe0724000, +- 0x6e1e0000, 0xe0724100, +- 0x6e1e0100, 0xe0724200, +- 0x6e1e0200, 0xe0724300, +- 0x6e1e0300, 0xbefe00c1, +- 0xbeff00c1, 0xb8f54306, +- 0x8675c175, 0xbf84002c, +- 0xbf8a0000, 0x867aff73, +- 0x04000000, 0xbf840028, +- 0x8e758675, 0x8e758275, +- 0xbefa0075, 0xb8ee2a05, +- 0x806e816e, 0x8e6e8a6e, +- 0xb8fa1605, 0x807a817a, +- 0x8e7a867a, 0x806e7a6e, +- 0x806eff6e, 0x00000080, +- 0xbefa00ff, 0x01000000, +- 0xbefc0080, 0xd28c0002, +- 0x000100c1, 0xd28d0003, +- 0x000204c1, 0xd1060002, +- 0x00011103, 0x7e0602ff, +- 0x00000200, 0xbefc00ff, +- 0x00010000, 0xbe80007b, +- 0x867bff7b, 0xff7fffff, +- 0x877bff7b, 0x00058000, +- 0xd8ec0000, 0x00000002, +- 0xbf8c007f, 0xe0765000, +- 0x6e1e0002, 0x32040702, +- 0xd0c9006a, 0x0000eb02, +- 0xbf87fff7, 0xbefb0000, +- 0xbeee00ff, 0x00000400, +- 0xbefe00c1, 0xbeff00c1, +- 0xb8f52a05, 0x80758175, +- 0x8e758275, 0x8e7a8875, +- 0xbefa00ff, 0x01000000, +- 0xbefc0084, 0xbf0a757c, +- 0xbf840015, 0xbf11017c, +- 0x8075ff75, 0x00001000, +- 0x7e000300, 0x7e020301, +- 0x7e040302, 0x7e060303, +- 0xe0724000, 0x6e1e0000, +- 0xe0724100, 0x6e1e0100, +- 0xe0724200, 0x6e1e0200, +- 0xe0724300, 0x6e1e0300, +- 0x807c847c, 0x806eff6e, +- 0x00000400, 0xbf0a757c, +- 0xbf85ffef, 0xbf9c0000, +- 0xbf8200ca, 0xbef8007e, +- 0x8679ff7f, 0x0000ffff, +- 0x8779ff79, 0x00040000, +- 0xbefa0080, 0xbefb00ff, +- 0x00807fac, 0x8676ff7f, +- 0x08000000, 0x8f768376, +- 0x877b767b, 0x8676ff7f, +- 0x70000000, 0x8f768176, +- 0x877b767b, 0x8676ff7f, +- 0x04000000, 0xbf84001e, +- 0xbefe00c1, 0xbeff00c1, +- 0xb8f34306, 0x8673c173, +- 0xbf840019, 0x8e738673, +- 0x8e738273, 0xbefa0073, +- 0xb8f22a05, 0x80728172, +- 0x8e728a72, 0xb8f61605, +- 0x80768176, 0x8e768676, +- 0x80727672, 0x8072ff72, +- 0x00000080, 0xbefa00ff, +- 0x01000000, 0xbefc0080, +- 0xe0510000, 0x721e0000, +- 0xe0510100, 0x721e0000, +- 0x807cff7c, 0x00000200, +- 0x8072ff72, 0x00000200, +- 0xbf0a737c, 0xbf85fff6, +- 0xbef20080, 0xbefe00c1, +- 0xbeff00c1, 0xb8f32a05, +- 0x80738173, 0x8e738273, +- 0x8e7a8873, 0xbefa00ff, +- 0x01000000, 0xbef60072, +- 0x8072ff72, 0x00000400, +- 0xbefc0084, 0xbf11087c, +- 0x8073ff73, 0x00008000, +- 0xe0524000, 0x721e0000, +- 0xe0524100, 0x721e0100, +- 0xe0524200, 0x721e0200, +- 0xe0524300, 0x721e0300, +- 0xbf8c0f70, 0x7e000300, +- 0x7e020301, 0x7e040302, +- 0x7e060303, 0x807c847c, +- 0x8072ff72, 0x00000400, +- 0xbf0a737c, 0xbf85ffee, +- 0xbf9c0000, 0xe0524000, +- 0x761e0000, 0xe0524100, +- 0x761e0100, 0xe0524200, +- 0x761e0200, 0xe0524300, +- 0x761e0300, 0xb8f22a05, +- 0x80728172, 0x8e728a72, +- 0xb8f61605, 0x80768176, +- 0x8e768676, 0x80727672, +- 0x80f2c072, 0xb8f31605, +- 0x80738173, 0x8e738473, +- 0x8e7a8273, 0xbefa00ff, +- 0x01000000, 0xbefc0073, +- 0xc031003c, 0x00000072, +- 0x80f2c072, 0xbf8c007f, +- 0x80fc907c, 0xbe802d00, +- 0xbe822d02, 0xbe842d04, +- 0xbe862d06, 0xbe882d08, +- 0xbe8a2d0a, 0xbe8c2d0c, +- 0xbe8e2d0e, 0xbf06807c, +- 0xbf84fff1, 0xb8f22a05, +- 0x80728172, 0x8e728a72, +- 0xb8f61605, 0x80768176, +- 0x8e768676, 0x80727672, +- 0xbefa0084, 0xbefa00ff, +- 0x01000000, 0xc0211cfc, +- 0x00000072, 0x80728472, +- 0xc0211c3c, 0x00000072, +- 0x80728472, 0xc0211c7c, +- 0x00000072, 0x80728472, +- 0xc0211bbc, 0x00000072, +- 0x80728472, 0xc0211bfc, +- 0x00000072, 0x80728472, +- 0xc0211d3c, 0x00000072, +- 0x80728472, 0xc0211d7c, +- 0x00000072, 0x80728472, +- 0xc0211a3c, 0x00000072, +- 0x80728472, 0xc0211a7c, +- 0x00000072, 0x80728472, +- 0xc0211dfc, 0x00000072, +- 0x80728472, 0xc0211b3c, +- 0x00000072, 0x80728472, +- 0xc0211b7c, 0x00000072, +- 0x80728472, 0xbf8c007f, +- 0x8671ff71, 0x0000ffff, +- 0xbefc0073, 0xbefe006e, +- 0xbeff006f, 0x867375ff, +- 0x000003ff, 0xb9734803, +- 0x867375ff, 0xfffff800, +- 0x8f738b73, 0xb973a2c3, +- 0xb977f801, 0x8673ff71, +- 0xf0000000, 0x8f739c73, +- 0x8e739073, 0xbef60080, +- 0x87767376, 0x8673ff71, +- 0x08000000, 0x8f739b73, +- 0x8e738f73, 0x87767376, +- 0x8673ff74, 0x00800000, +- 0x8f739773, 0xb976f807, +- 0x86fe7e7e, 0x86ea6a6a, +- 0xb974f802, 0xbf8a0000, +- 0x95807370, 0xbf810000, +-}; +- +diff --git a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm +deleted file mode 100644 +index f9e819b..0000000 +--- a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm ++++ /dev/null +@@ -1,1419 +0,0 @@ +-/* +- * Copyright 2016 Advanced Micro Devices, Inc. +- * +- * Permission is hereby granted, free of charge, to any person obtaining a +- * copy of this software and associated documentation files (the "Software"), +- * to deal in the Software without restriction, including without limitation +- * the rights to use, copy, modify, merge, publish, distribute, sublicense, +- * and/or sell copies of the Software, and to permit persons to whom the +- * Software is furnished to do so, subject to the following conditions: +- * +- * The above copyright notice and this permission notice shall be included in +- * all copies or substantial portions of the Software. +- * +- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR +- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +- * OTHER DEALINGS IN THE SOFTWARE. +- */ +- +-#if 0 +-HW (GFX9) source code for CWSR trap handler +-#Version 18 + multiple trap handler +- +-// this performance-optimal version was originally from Seven Xu at SRDC +- +-// Revison #18 --... +-/* Rev History +-** #1. Branch from gc dv. //gfxip/gfx9/main/src/test/suites/block/cs/sr/cs_trap_handler.sp3#1,#50, #51, #52-53(Skip, Already Fixed by PV), #54-56(merged),#57-58(mergerd, skiped-already fixed by PV) +-** #4. SR Memory Layout: +-** 1. VGPR-SGPR-HWREG-{LDS} +-** 2. tba_hi.bits.26 - reconfigured as the first wave in tg bits, for defer Save LDS for a threadgroup.. performance concern.. +-** #5. Update: 1. Accurate g8sr_ts_save_d timestamp +-** #6. Update: 1. Fix s_barrier usage; 2. VGPR s/r using swizzle buffer?(NoNeed, already matched the swizzle pattern, more investigation) +-** #7. Update: 1. don't barrier if noLDS +-** #8. Branch: 1. Branch to ver#0, which is very similar to gc dv version +-** 2. Fix SQ issue by s_sleep 2 +-** #9. Update: 1. Fix scc restore failed issue, restore wave_status at last +-** 2. optimize s_buffer save by burst 16sgprs... +-** #10. Update 1. Optimize restore sgpr by busrt 16 sgprs. +-** #11. Update 1. Add 2 more timestamp for debug version +-** #12. Update 1. Add VGPR SR using DWx4, some case improve and some case drop performance +-** #13. Integ 1. Always use MUBUF for PV trap shader... +-** #14. Update 1. s_buffer_store soft clause... +-** #15. Update 1. PERF - sclar write with glc:0/mtype0 to allow L2 combine. perf improvement a lot. +-** #16. Update 1. PRRF - UNROLL LDS_DMA got 2500cycle save in IP tree +-** #17. Update 1. FUNC - LDS_DMA has issues while ATC, replace with ds_read/buffer_store for save part[TODO restore part] +-** 2. PERF - Save LDS before save VGPR to cover LDS save long latency... +-** #18. Update 1. FUNC - Implicitly estore STATUS.VCCZ, which is not writable by s_setreg_b32 +-** 2. FUNC - Handle non-CWSR traps +-*/ +- +-var G8SR_WDMEM_HWREG_OFFSET = 0 +-var G8SR_WDMEM_SGPR_OFFSET = 128 // in bytes +- +-// Keep definition same as the app shader, These 2 time stamps are part of the app shader... Should before any Save and after restore. +- +-var G8SR_DEBUG_TIMESTAMP = 0 +-var G8SR_DEBUG_TS_SAVE_D_OFFSET = 40*4 // ts_save_d timestamp offset relative to SGPR_SR_memory_offset +-var s_g8sr_ts_save_s = s[34:35] // save start +-var s_g8sr_ts_sq_save_msg = s[36:37] // The save shader send SAVEWAVE msg to spi +-var s_g8sr_ts_spi_wrexec = s[38:39] // the SPI write the sr address to SQ +-var s_g8sr_ts_save_d = s[40:41] // save end +-var s_g8sr_ts_restore_s = s[42:43] // restore start +-var s_g8sr_ts_restore_d = s[44:45] // restore end +- +-var G8SR_VGPR_SR_IN_DWX4 = 0 +-var G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 = 0x00100000 // DWx4 stride is 4*4Bytes +-var G8SR_RESTORE_BUF_RSRC_WORD1_STRIDE_DWx4 = G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 +- +- +-/*************************************************************************/ +-/* control on how to run the shader */ +-/*************************************************************************/ +-//any hack that needs to be made to run this code in EMU (either becasue various EMU code are not ready or no compute save & restore in EMU run) +-var EMU_RUN_HACK = 0 +-var EMU_RUN_HACK_RESTORE_NORMAL = 0 +-var EMU_RUN_HACK_SAVE_NORMAL_EXIT = 0 +-var EMU_RUN_HACK_SAVE_SINGLE_WAVE = 0 +-var EMU_RUN_HACK_SAVE_FIRST_TIME = 0 //for interrupted restore in which the first save is through EMU_RUN_HACK +-var SAVE_LDS = 1 +-var WG_BASE_ADDR_LO = 0x9000a000 +-var WG_BASE_ADDR_HI = 0x0 +-var WAVE_SPACE = 0x5000 //memory size that each wave occupies in workgroup state mem +-var CTX_SAVE_CONTROL = 0x0 +-var CTX_RESTORE_CONTROL = CTX_SAVE_CONTROL +-var SIM_RUN_HACK = 0 //any hack that needs to be made to run this code in SIM (either becasue various RTL code are not ready or no compute save & restore in RTL run) +-var SGPR_SAVE_USE_SQC = 1 //use SQC D$ to do the write +-var USE_MTBUF_INSTEAD_OF_MUBUF = 0 //becasue TC EMU curently asserts on 0 of // overload DFMT field to carry 4 more bits of stride for MUBUF opcodes +-var SWIZZLE_EN = 0 //whether we use swizzled buffer addressing +-var ACK_SQC_STORE = 1 //workaround for suspected SQC store bug causing incorrect stores under concurrency +- +-/**************************************************************************/ +-/* variables */ +-/**************************************************************************/ +-var SQ_WAVE_STATUS_INST_ATC_SHIFT = 23 +-var SQ_WAVE_STATUS_INST_ATC_MASK = 0x00800000 +-var SQ_WAVE_STATUS_SPI_PRIO_MASK = 0x00000006 +-var SQ_WAVE_STATUS_HALT_MASK = 0x2000 +- +-var SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT = 12 +-var SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE = 9 +-var SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT = 8 +-var SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE = 6 +-var SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT = 24 +-var SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE = 3 //FIXME sq.blk still has 4 bits at this time while SQ programming guide has 3 bits +- +-var SQ_WAVE_TRAPSTS_SAVECTX_MASK = 0x400 +-var SQ_WAVE_TRAPSTS_EXCE_MASK = 0x1FF // Exception mask +-var SQ_WAVE_TRAPSTS_SAVECTX_SHIFT = 10 +-var SQ_WAVE_TRAPSTS_MEM_VIOL_MASK = 0x100 +-var SQ_WAVE_TRAPSTS_MEM_VIOL_SHIFT = 8 +-var SQ_WAVE_TRAPSTS_PRE_SAVECTX_MASK = 0x3FF +-var SQ_WAVE_TRAPSTS_PRE_SAVECTX_SHIFT = 0x0 +-var SQ_WAVE_TRAPSTS_PRE_SAVECTX_SIZE = 10 +-var SQ_WAVE_TRAPSTS_POST_SAVECTX_MASK = 0xFFFFF800 +-var SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT = 11 +-var SQ_WAVE_TRAPSTS_POST_SAVECTX_SIZE = 21 +-var SQ_WAVE_TRAPSTS_ILLEGAL_INST_MASK = 0x800 +- +-var SQ_WAVE_IB_STS_RCNT_SHIFT = 16 //FIXME +-var SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT = 15 //FIXME +-var SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK_NEG = 0x00007FFF //FIXME +- +-var SQ_BUF_RSRC_WORD1_ATC_SHIFT = 24 +-var SQ_BUF_RSRC_WORD3_MTYPE_SHIFT = 27 +- +- +-/* Save */ +-var S_SAVE_BUF_RSRC_WORD1_STRIDE = 0x00040000 //stride is 4 bytes +-var S_SAVE_BUF_RSRC_WORD3_MISC = 0x00807FAC //SQ_SEL_X/Y/Z/W, BUF_NUM_FORMAT_FLOAT, (0 for MUBUF stride[17:14] when ADD_TID_ENABLE and BUF_DATA_FORMAT_32 for MTBUF), ADD_TID_ENABLE +- +-var S_SAVE_SPI_INIT_ATC_MASK = 0x08000000 //bit[27]: ATC bit +-var S_SAVE_SPI_INIT_ATC_SHIFT = 27 +-var S_SAVE_SPI_INIT_MTYPE_MASK = 0x70000000 //bit[30:28]: Mtype +-var S_SAVE_SPI_INIT_MTYPE_SHIFT = 28 +-var S_SAVE_SPI_INIT_FIRST_WAVE_MASK = 0x04000000 //bit[26]: FirstWaveInTG +-var S_SAVE_SPI_INIT_FIRST_WAVE_SHIFT = 26 +- +-var S_SAVE_PC_HI_RCNT_SHIFT = 28 //FIXME check with Brian to ensure all fields other than PC[47:0] can be used +-var S_SAVE_PC_HI_RCNT_MASK = 0xF0000000 //FIXME +-var S_SAVE_PC_HI_FIRST_REPLAY_SHIFT = 27 //FIXME +-var S_SAVE_PC_HI_FIRST_REPLAY_MASK = 0x08000000 //FIXME +- +-var s_save_spi_init_lo = exec_lo +-var s_save_spi_init_hi = exec_hi +- +-var s_save_pc_lo = ttmp0 //{TTMP1, TTMP0} = {3¡¯h0,pc_rewind[3:0], HT[0],trapID[7:0], PC[47:0]} +-var s_save_pc_hi = ttmp1 +-var s_save_exec_lo = ttmp2 +-var s_save_exec_hi = ttmp3 +-var s_save_status = ttmp4 +-var s_save_trapsts = ttmp5 //not really used until the end of the SAVE routine +-var s_save_xnack_mask_lo = ttmp6 +-var s_save_xnack_mask_hi = ttmp7 +-var s_save_buf_rsrc0 = ttmp8 +-var s_save_buf_rsrc1 = ttmp9 +-var s_save_buf_rsrc2 = ttmp10 +-var s_save_buf_rsrc3 = ttmp11 +- +-var s_save_mem_offset = ttmp14 +-var s_save_alloc_size = s_save_trapsts //conflict +-var s_save_tmp = s_save_buf_rsrc2 //shared with s_save_buf_rsrc2 (conflict: should not use mem access with s_save_tmp at the same time) +-var s_save_m0 = ttmp15 +- +-/* Restore */ +-var S_RESTORE_BUF_RSRC_WORD1_STRIDE = S_SAVE_BUF_RSRC_WORD1_STRIDE +-var S_RESTORE_BUF_RSRC_WORD3_MISC = S_SAVE_BUF_RSRC_WORD3_MISC +- +-var S_RESTORE_SPI_INIT_ATC_MASK = 0x08000000 //bit[27]: ATC bit +-var S_RESTORE_SPI_INIT_ATC_SHIFT = 27 +-var S_RESTORE_SPI_INIT_MTYPE_MASK = 0x70000000 //bit[30:28]: Mtype +-var S_RESTORE_SPI_INIT_MTYPE_SHIFT = 28 +-var S_RESTORE_SPI_INIT_FIRST_WAVE_MASK = 0x04000000 //bit[26]: FirstWaveInTG +-var S_RESTORE_SPI_INIT_FIRST_WAVE_SHIFT = 26 +- +-var S_RESTORE_PC_HI_RCNT_SHIFT = S_SAVE_PC_HI_RCNT_SHIFT +-var S_RESTORE_PC_HI_RCNT_MASK = S_SAVE_PC_HI_RCNT_MASK +-var S_RESTORE_PC_HI_FIRST_REPLAY_SHIFT = S_SAVE_PC_HI_FIRST_REPLAY_SHIFT +-var S_RESTORE_PC_HI_FIRST_REPLAY_MASK = S_SAVE_PC_HI_FIRST_REPLAY_MASK +- +-var s_restore_spi_init_lo = exec_lo +-var s_restore_spi_init_hi = exec_hi +- +-var s_restore_mem_offset = ttmp12 +-var s_restore_alloc_size = ttmp3 +-var s_restore_tmp = ttmp6 +-var s_restore_mem_offset_save = s_restore_tmp //no conflict +- +-var s_restore_m0 = s_restore_alloc_size //no conflict +- +-var s_restore_mode = ttmp7 +- +-var s_restore_pc_lo = ttmp0 +-var s_restore_pc_hi = ttmp1 +-var s_restore_exec_lo = ttmp14 +-var s_restore_exec_hi = ttmp15 +-var s_restore_status = ttmp4 +-var s_restore_trapsts = ttmp5 +-var s_restore_xnack_mask_lo = xnack_mask_lo +-var s_restore_xnack_mask_hi = xnack_mask_hi +-var s_restore_buf_rsrc0 = ttmp8 +-var s_restore_buf_rsrc1 = ttmp9 +-var s_restore_buf_rsrc2 = ttmp10 +-var s_restore_buf_rsrc3 = ttmp11 +- +-/**************************************************************************/ +-/* trap handler entry points */ +-/**************************************************************************/ +-/* Shader Main*/ +- +-shader main +- asic(GFX9) +- type(CS) +- +- +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) //hack to use trap_id for determining save/restore +- //FIXME VCCZ un-init assertion s_getreg_b32 s_save_status, hwreg(HW_REG_STATUS) //save STATUS since we will change SCC +- s_and_b32 s_save_tmp, s_save_pc_hi, 0xffff0000 //change SCC +- s_cmp_eq_u32 s_save_tmp, 0x007e0000 //Save: trap_id = 0x7e. Restore: trap_id = 0x7f. +- s_cbranch_scc0 L_JUMP_TO_RESTORE //do not need to recover STATUS here since we are going to RESTORE +- //FIXME s_setreg_b32 hwreg(HW_REG_STATUS), s_save_status //need to recover STATUS since we are going to SAVE +- s_branch L_SKIP_RESTORE //NOT restore, SAVE actually +- else +- s_branch L_SKIP_RESTORE //NOT restore. might be a regular trap or save +- end +- +-L_JUMP_TO_RESTORE: +- s_branch L_RESTORE //restore +- +-L_SKIP_RESTORE: +- +- s_getreg_b32 s_save_status, hwreg(HW_REG_STATUS) //save STATUS since we will change SCC +- s_andn2_b32 s_save_status, s_save_status, SQ_WAVE_STATUS_SPI_PRIO_MASK //check whether this is for save +- s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) +- s_and_b32 ttmp8, s_save_trapsts, SQ_WAVE_TRAPSTS_SAVECTX_MASK //check whether this is for save +- s_cbranch_scc1 L_SAVE //this is the operation for save +- +- // ********* Handle non-CWSR traps ******************* +-if (!EMU_RUN_HACK) +- // Illegal instruction is a non-maskable exception which blocks context save. +- // Halt the wavefront and return from the trap. +- s_and_b32 ttmp8, s_save_trapsts, SQ_WAVE_TRAPSTS_ILLEGAL_INST_MASK +- s_cbranch_scc1 L_HALT_WAVE +- +- // If STATUS.MEM_VIOL is asserted then we cannot fetch from the TMA. +- // Instead, halt the wavefront and return from the trap. +- s_and_b32 ttmp8, s_save_trapsts, SQ_WAVE_TRAPSTS_MEM_VIOL_MASK +- s_cbranch_scc0 L_NO_MEM_VIOL +- +-L_HALT_WAVE: +- // If STATUS.HALT is set then this fault must come from SQC instruction fetch. +- // We cannot prevent further faults so just terminate the wavefront. +- s_and_b32 ttmp8, s_save_status, SQ_WAVE_STATUS_HALT_MASK +- s_cbranch_scc0 L_NOT_ALREADY_HALTED +- s_endpgm +-L_NOT_ALREADY_HALTED: +- s_or_b32 s_save_status, s_save_status, SQ_WAVE_STATUS_HALT_MASK +- s_branch L_EXCP_CASE +- +-L_NO_MEM_VIOL: +- /* read tba and tma for next level trap handler, ttmp4 is used as s_save_status */ +- s_getreg_b32 ttmp14,hwreg(HW_REG_SQ_SHADER_TMA_LO) +- s_getreg_b32 ttmp15,hwreg(HW_REG_SQ_SHADER_TMA_HI) +- s_lshl_b64 [ttmp14, ttmp15], [ttmp14, ttmp15], 0x8 +- s_load_dwordx4 [ttmp8, ttmp9, ttmp10, ttmp11], [ttmp14, ttmp15], 0 +- s_waitcnt lgkmcnt(0) +- s_or_b32 ttmp7, ttmp8, ttmp9 +- s_cbranch_scc0 L_NO_NEXT_TRAP //next level trap handler not been set +- s_setreg_b32 hwreg(HW_REG_STATUS), s_save_status //restore HW status(SCC) +- s_setpc_b64 [ttmp8,ttmp9] //jump to next level trap handler +- +-L_NO_NEXT_TRAP: +- s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) +- s_and_b32 s_save_trapsts, s_save_trapsts, SQ_WAVE_TRAPSTS_EXCE_MASK // Check whether it is an exception +- s_cbranch_scc1 L_EXCP_CASE // Exception, jump back to the shader program directly. +- s_add_u32 ttmp0, ttmp0, 4 // S_TRAP case, add 4 to ttmp0 +- s_addc_u32 ttmp1, ttmp1, 0 +-L_EXCP_CASE: +- s_and_b32 ttmp1, ttmp1, 0xFFFF +- s_setreg_b32 hwreg(HW_REG_STATUS), s_save_status //restore HW status(SCC) +- s_rfe_b64 [ttmp0, ttmp1] +-end +- // ********* End handling of non-CWSR traps ******************* +- +-/**************************************************************************/ +-/* save routine */ +-/**************************************************************************/ +- +-L_SAVE: +- +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_save_s +- s_waitcnt lgkmcnt(0) //FIXME, will cause xnack?? +-end +- +- //check whether there is mem_viol +- s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) +- s_and_b32 s_save_trapsts, s_save_trapsts, SQ_WAVE_TRAPSTS_MEM_VIOL_MASK +- s_cbranch_scc0 L_NO_PC_REWIND +- +- //if so, need rewind PC assuming GDS operation gets NACKed +- s_mov_b32 s_save_tmp, 0 //clear mem_viol bit +- s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_MEM_VIOL_SHIFT, 1), s_save_tmp //clear mem_viol bit +- s_and_b32 s_save_pc_hi, s_save_pc_hi, 0x0000ffff //pc[47:32] +- s_sub_u32 s_save_pc_lo, s_save_pc_lo, 8 //pc[31:0]-8 +- s_subb_u32 s_save_pc_hi, s_save_pc_hi, 0x0 // -scc +- +-L_NO_PC_REWIND: +- s_mov_b32 s_save_tmp, 0 //clear saveCtx bit +- s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_SAVECTX_SHIFT, 1), s_save_tmp //clear saveCtx bit +- +- s_mov_b32 s_save_xnack_mask_lo, xnack_mask_lo //save XNACK_MASK +- s_mov_b32 s_save_xnack_mask_hi, xnack_mask_hi //save XNACK must before any memory operation +- s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS, SQ_WAVE_IB_STS_RCNT_SHIFT, SQ_WAVE_IB_STS_RCNT_SIZE) //save RCNT +- s_lshl_b32 s_save_tmp, s_save_tmp, S_SAVE_PC_HI_RCNT_SHIFT +- s_or_b32 s_save_pc_hi, s_save_pc_hi, s_save_tmp +- s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS, SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT, SQ_WAVE_IB_STS_FIRST_REPLAY_SIZE) //save FIRST_REPLAY +- s_lshl_b32 s_save_tmp, s_save_tmp, S_SAVE_PC_HI_FIRST_REPLAY_SHIFT +- s_or_b32 s_save_pc_hi, s_save_pc_hi, s_save_tmp +- s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS) //clear RCNT and FIRST_REPLAY in IB_STS +- s_and_b32 s_save_tmp, s_save_tmp, SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK_NEG +- +- s_setreg_b32 hwreg(HW_REG_IB_STS), s_save_tmp +- +- /* inform SPI the readiness and wait for SPI's go signal */ +- s_mov_b32 s_save_exec_lo, exec_lo //save EXEC and use EXEC for the go signal from SPI +- s_mov_b32 s_save_exec_hi, exec_hi +- s_mov_b64 exec, 0x0 //clear EXEC to get ready to receive +- +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_sq_save_msg +- s_waitcnt lgkmcnt(0) +-end +- +- if (EMU_RUN_HACK) +- +- else +- s_sendmsg sendmsg(MSG_SAVEWAVE) //send SPI a message and wait for SPI's write to EXEC +- end +- +- L_SLEEP: +- s_sleep 0x2 // sleep 1 (64clk) is not enough for 8 waves per SIMD, which will cause SQ hang, since the 7,8th wave could not get arbit to exec inst, while other waves are stuck into the sleep-loop and waiting for wrexec!=0 +- +- if (EMU_RUN_HACK) +- +- else +- s_cbranch_execz L_SLEEP +- end +- +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_spi_wrexec +- s_waitcnt lgkmcnt(0) +-end +- +- /* setup Resource Contants */ +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_SAVE_SINGLE_WAVE)) +- //calculate wd_addr using absolute thread id +- v_readlane_b32 s_save_tmp, v9, 0 +- s_lshr_b32 s_save_tmp, s_save_tmp, 6 +- s_mul_i32 s_save_tmp, s_save_tmp, WAVE_SPACE +- s_add_i32 s_save_spi_init_lo, s_save_tmp, WG_BASE_ADDR_LO +- s_mov_b32 s_save_spi_init_hi, WG_BASE_ADDR_HI +- s_and_b32 s_save_spi_init_hi, s_save_spi_init_hi, CTX_SAVE_CONTROL +- else +- end +- if ((EMU_RUN_HACK) && (EMU_RUN_HACK_SAVE_SINGLE_WAVE)) +- s_add_i32 s_save_spi_init_lo, s_save_tmp, WG_BASE_ADDR_LO +- s_mov_b32 s_save_spi_init_hi, WG_BASE_ADDR_HI +- s_and_b32 s_save_spi_init_hi, s_save_spi_init_hi, CTX_SAVE_CONTROL +- else +- end +- +- +- s_mov_b32 s_save_buf_rsrc0, s_save_spi_init_lo //base_addr_lo +- s_and_b32 s_save_buf_rsrc1, s_save_spi_init_hi, 0x0000FFFF //base_addr_hi +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, S_SAVE_BUF_RSRC_WORD1_STRIDE +- s_mov_b32 s_save_buf_rsrc2, 0 //NUM_RECORDS initial value = 0 (in bytes) although not neccessarily inited +- s_mov_b32 s_save_buf_rsrc3, S_SAVE_BUF_RSRC_WORD3_MISC +- s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_ATC_MASK +- s_lshr_b32 s_save_tmp, s_save_tmp, (S_SAVE_SPI_INIT_ATC_SHIFT-SQ_BUF_RSRC_WORD1_ATC_SHIFT) //get ATC bit into position +- s_or_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, s_save_tmp //or ATC +- s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_MTYPE_MASK +- s_lshr_b32 s_save_tmp, s_save_tmp, (S_SAVE_SPI_INIT_MTYPE_SHIFT-SQ_BUF_RSRC_WORD3_MTYPE_SHIFT) //get MTYPE bits into position +- s_or_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, s_save_tmp //or MTYPE +- +- //FIXME right now s_save_m0/s_save_mem_offset use tma_lo/tma_hi (might need to save them before using them?) +- s_mov_b32 s_save_m0, m0 //save M0 +- +- /* global mem offset */ +- s_mov_b32 s_save_mem_offset, 0x0 //mem offset initial value = 0 +- +- +- +- +- /* save HW registers */ +- ////////////////////////////// +- +- L_SAVE_HWREG: +- // HWREG SR memory offset : size(VGPR)+size(SGPR) +- get_vgpr_size_bytes(s_save_mem_offset) +- get_sgpr_size_bytes(s_save_tmp) +- s_add_u32 s_save_mem_offset, s_save_mem_offset, s_save_tmp +- +- +- s_mov_b32 s_save_buf_rsrc2, 0x4 //NUM_RECORDS in bytes +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +- +- write_hwreg_to_mem(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset) //M0 +- +- if ((EMU_RUN_HACK) && (EMU_RUN_HACK_SAVE_FIRST_TIME)) +- s_add_u32 s_save_pc_lo, s_save_pc_lo, 4 //pc[31:0]+4 +- s_addc_u32 s_save_pc_hi, s_save_pc_hi, 0x0 //carry bit over +- end +- +- write_hwreg_to_mem(s_save_pc_lo, s_save_buf_rsrc0, s_save_mem_offset) //PC +- write_hwreg_to_mem(s_save_pc_hi, s_save_buf_rsrc0, s_save_mem_offset) +- write_hwreg_to_mem(s_save_exec_lo, s_save_buf_rsrc0, s_save_mem_offset) //EXEC +- write_hwreg_to_mem(s_save_exec_hi, s_save_buf_rsrc0, s_save_mem_offset) +- write_hwreg_to_mem(s_save_status, s_save_buf_rsrc0, s_save_mem_offset) //STATUS +- +- //s_save_trapsts conflicts with s_save_alloc_size +- s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) +- write_hwreg_to_mem(s_save_trapsts, s_save_buf_rsrc0, s_save_mem_offset) //TRAPSTS +- +- write_hwreg_to_mem(s_save_xnack_mask_lo, s_save_buf_rsrc0, s_save_mem_offset) //XNACK_MASK_LO +- write_hwreg_to_mem(s_save_xnack_mask_hi, s_save_buf_rsrc0, s_save_mem_offset) //XNACK_MASK_HI +- +- //use s_save_tmp would introduce conflict here between s_save_tmp and s_save_buf_rsrc2 +- s_getreg_b32 s_save_m0, hwreg(HW_REG_MODE) //MODE +- write_hwreg_to_mem(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset) +- +- +- +- /* the first wave in the threadgroup */ +- s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_FIRST_WAVE_MASK // extract fisrt wave bit +- s_mov_b32 s_save_exec_hi, 0x0 +- s_or_b32 s_save_exec_hi, s_save_tmp, s_save_exec_hi // save first wave bit to s_save_exec_hi.bits[26] +- +- +- /* save SGPRs */ +- // Save SGPR before LDS save, then the s0 to s4 can be used during LDS save... +- ////////////////////////////// +- +- // SGPR SR memory offset : size(VGPR) +- get_vgpr_size_bytes(s_save_mem_offset) +- // TODO, change RSRC word to rearrange memory layout for SGPRS +- +- s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE) //spgr_size +- s_add_u32 s_save_alloc_size, s_save_alloc_size, 1 +- s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 4 //Number of SGPRs = (sgpr_size + 1) * 16 (non-zero value) +- +- if (SGPR_SAVE_USE_SQC) +- s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 2 //NUM_RECORDS in bytes +- else +- s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 8 //NUM_RECORDS in bytes (64 threads) +- end +- +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +- +- // backup s_save_buf_rsrc0,1 to s_save_pc_lo/hi, since write_16sgpr_to_mem function will change the rsrc0 +- //s_mov_b64 s_save_pc_lo, s_save_buf_rsrc0 +- s_mov_b64 s_save_xnack_mask_lo, s_save_buf_rsrc0 +- s_add_u32 s_save_buf_rsrc0, s_save_buf_rsrc0, s_save_mem_offset +- s_addc_u32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0 +- +- s_mov_b32 m0, 0x0 //SGPR initial index value =0 +- s_nop 0x0 //Manually inserted wait states +- L_SAVE_SGPR_LOOP: +- // SGPR is allocated in 16 SGPR granularity +- s_movrels_b64 s0, s0 //s0 = s[0+m0], s1 = s[1+m0] +- s_movrels_b64 s2, s2 //s2 = s[2+m0], s3 = s[3+m0] +- s_movrels_b64 s4, s4 //s4 = s[4+m0], s5 = s[5+m0] +- s_movrels_b64 s6, s6 //s6 = s[6+m0], s7 = s[7+m0] +- s_movrels_b64 s8, s8 //s8 = s[8+m0], s9 = s[9+m0] +- s_movrels_b64 s10, s10 //s10 = s[10+m0], s11 = s[11+m0] +- s_movrels_b64 s12, s12 //s12 = s[12+m0], s13 = s[13+m0] +- s_movrels_b64 s14, s14 //s14 = s[14+m0], s15 = s[15+m0] +- +- write_16sgpr_to_mem(s0, s_save_buf_rsrc0, s_save_mem_offset) //PV: the best performance should be using s_buffer_store_dwordx4 +- s_add_u32 m0, m0, 16 //next sgpr index +- s_cmp_lt_u32 m0, s_save_alloc_size //scc = (m0 < s_save_alloc_size) ? 1 : 0 +- s_cbranch_scc1 L_SAVE_SGPR_LOOP //SGPR save is complete? +- // restore s_save_buf_rsrc0,1 +- //s_mov_b64 s_save_buf_rsrc0, s_save_pc_lo +- s_mov_b64 s_save_buf_rsrc0, s_save_xnack_mask_lo +- +- +- +- +- /* save first 4 VGPR, then LDS save could use */ +- // each wave will alloc 4 vgprs at least... +- ///////////////////////////////////////////////////////////////////////////////////// +- +- s_mov_b32 s_save_mem_offset, 0 +- s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on +- s_mov_b32 exec_hi, 0xFFFFFFFF +- +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +- +- // VGPR Allocated in 4-GPR granularity +- +-if G8SR_VGPR_SR_IN_DWX4 +- // the const stride for DWx4 is 4*4 bytes +- s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 // const stride to 4*4 bytes +- +- buffer_store_dwordx4 v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 +- +- s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, S_SAVE_BUF_RSRC_WORD1_STRIDE // reset const stride to 4 bytes +-else +- buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 +- buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256 +- buffer_store_dword v2, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*2 +- buffer_store_dword v3, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*3 +-end +- +- +- +- /* save LDS */ +- ////////////////////////////// +- +- L_SAVE_LDS: +- +- // Change EXEC to all threads... +- s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on +- s_mov_b32 exec_hi, 0xFFFFFFFF +- +- s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) //lds_size +- s_and_b32 s_save_alloc_size, s_save_alloc_size, 0xFFFFFFFF //lds_size is zero? +- s_cbranch_scc0 L_SAVE_LDS_DONE //no lds used? jump to L_SAVE_DONE +- +- s_barrier //LDS is used? wait for other waves in the same TG +- s_and_b32 s_save_tmp, s_save_exec_hi, S_SAVE_SPI_INIT_FIRST_WAVE_MASK //exec is still used here +- s_cbranch_scc0 L_SAVE_LDS_DONE +- +- // first wave do LDS save; +- +- s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 6 //LDS size in dwords = lds_size * 64dw +- s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 2 //LDS size in bytes +- s_mov_b32 s_save_buf_rsrc2, s_save_alloc_size //NUM_RECORDS in bytes +- +- // LDS at offset: size(VGPR)+SIZE(SGPR)+SIZE(HWREG) +- // +- get_vgpr_size_bytes(s_save_mem_offset) +- get_sgpr_size_bytes(s_save_tmp) +- s_add_u32 s_save_mem_offset, s_save_mem_offset, s_save_tmp +- s_add_u32 s_save_mem_offset, s_save_mem_offset, get_hwreg_size_bytes() +- +- +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +- s_mov_b32 m0, 0x0 //lds_offset initial value = 0 +- +- +-var LDS_DMA_ENABLE = 0 +-var UNROLL = 0 +-if UNROLL==0 && LDS_DMA_ENABLE==1 +- s_mov_b32 s3, 256*2 +- s_nop 0 +- s_nop 0 +- s_nop 0 +- L_SAVE_LDS_LOOP: +- //TODO: looks the 2 buffer_store/load clause for s/r will hurt performance.??? +- if (SAVE_LDS) //SPI always alloc LDS space in 128DW granularity +- buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 // first 64DW +- buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 offset:256 // second 64DW +- end +- +- s_add_u32 m0, m0, s3 //every buffer_store_lds does 256 bytes +- s_add_u32 s_save_mem_offset, s_save_mem_offset, s3 //mem offset increased by 256 bytes +- s_cmp_lt_u32 m0, s_save_alloc_size //scc=(m0 < s_save_alloc_size) ? 1 : 0 +- s_cbranch_scc1 L_SAVE_LDS_LOOP //LDS save is complete? +- +-elsif LDS_DMA_ENABLE==1 && UNROLL==1 // UNROOL , has ichace miss +- // store from higest LDS address to lowest +- s_mov_b32 s3, 256*2 +- s_sub_u32 m0, s_save_alloc_size, s3 +- s_add_u32 s_save_mem_offset, s_save_mem_offset, m0 +- s_lshr_b32 s_save_alloc_size, s_save_alloc_size, 9 // how many 128 trunks... +- s_sub_u32 s_save_alloc_size, 128, s_save_alloc_size // store from higheset addr to lowest +- s_mul_i32 s_save_alloc_size, s_save_alloc_size, 6*4 // PC offset increment, each LDS save block cost 6*4 Bytes instruction +- s_add_u32 s_save_alloc_size, s_save_alloc_size, 3*4 //2is the below 2 inst...//s_addc and s_setpc +- s_nop 0 +- s_nop 0 +- s_nop 0 //pad 3 dw to let LDS_DMA align with 64Bytes +- s_getpc_b64 s[0:1] // reuse s[0:1], since s[0:1] already saved +- s_add_u32 s0, s0,s_save_alloc_size +- s_addc_u32 s1, s1, 0 +- s_setpc_b64 s[0:1] +- +- +- for var i =0; i< 128; i++ +- // be careful to make here a 64Byte aligned address, which could improve performance... +- buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 offset:0 // first 64DW +- buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 offset:256 // second 64DW +- +- if i!=127 +- s_sub_u32 m0, m0, s3 // use a sgpr to shrink 2DW-inst to 1DW inst to improve performance , i.e. pack more LDS_DMA inst to one Cacheline +- s_sub_u32 s_save_mem_offset, s_save_mem_offset, s3 +- end +- end +- +-else // BUFFER_STORE +- v_mbcnt_lo_u32_b32 v2, 0xffffffff, 0x0 +- v_mbcnt_hi_u32_b32 v3, 0xffffffff, v2 // tid +- v_mul_i32_i24 v2, v3, 8 // tid*8 +- v_mov_b32 v3, 256*2 +- s_mov_b32 m0, 0x10000 +- s_mov_b32 s0, s_save_buf_rsrc3 +- s_and_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, 0xFF7FFFFF // disable add_tid +- s_or_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, 0x58000 //DFMT +- +-L_SAVE_LDS_LOOP_VECTOR: +- ds_read_b64 v[0:1], v2 //x =LDS[a], byte address +- s_waitcnt lgkmcnt(0) +- buffer_store_dwordx2 v[0:1], v2, s_save_buf_rsrc0, s_save_mem_offset offen:1 glc:1 slc:1 +-// s_waitcnt vmcnt(0) +-// v_add_u32 v2, vcc[0:1], v2, v3 +- v_add_u32 v2, v2, v3 +- v_cmp_lt_u32 vcc[0:1], v2, s_save_alloc_size +- s_cbranch_vccnz L_SAVE_LDS_LOOP_VECTOR +- +- // restore rsrc3 +- s_mov_b32 s_save_buf_rsrc3, s0 +- +-end +- +-L_SAVE_LDS_DONE: +- +- +- /* save VGPRs - set the Rest VGPRs */ +- ////////////////////////////////////////////////////////////////////////////////////// +- L_SAVE_VGPR: +- // VGPR SR memory offset: 0 +- // TODO rearrange the RSRC words to use swizzle for VGPR save... +- +- s_mov_b32 s_save_mem_offset, (0+256*4) // for the rest VGPRs +- s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on +- s_mov_b32 exec_hi, 0xFFFFFFFF +- +- s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) //vpgr_size +- s_add_u32 s_save_alloc_size, s_save_alloc_size, 1 +- s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 2 //Number of VGPRs = (vgpr_size + 1) * 4 (non-zero value) //FIXME for GFX, zero is possible +- s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 8 //NUM_RECORDS in bytes (64 threads*4) +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +- +- // VGPR Allocated in 4-GPR granularity +- +-if G8SR_VGPR_SR_IN_DWX4 +- // the const stride for DWx4 is 4*4 bytes +- s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 // const stride to 4*4 bytes +- +- s_mov_b32 m0, 4 // skip first 4 VGPRs +- s_cmp_lt_u32 m0, s_save_alloc_size +- s_cbranch_scc0 L_SAVE_VGPR_LOOP_END // no more vgprs +- +- s_set_gpr_idx_on m0, 0x1 // This will change M0 +- s_add_u32 s_save_alloc_size, s_save_alloc_size, 0x1000 // because above inst change m0 +-L_SAVE_VGPR_LOOP: +- v_mov_b32 v0, v0 // v0 = v[0+m0] +- v_mov_b32 v1, v1 +- v_mov_b32 v2, v2 +- v_mov_b32 v3, v3 +- +- +- buffer_store_dwordx4 v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 +- s_add_u32 m0, m0, 4 +- s_add_u32 s_save_mem_offset, s_save_mem_offset, 256*4 +- s_cmp_lt_u32 m0, s_save_alloc_size +- s_cbranch_scc1 L_SAVE_VGPR_LOOP //VGPR save is complete? +- s_set_gpr_idx_off +-L_SAVE_VGPR_LOOP_END: +- +- s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, S_SAVE_BUF_RSRC_WORD1_STRIDE // reset const stride to 4 bytes +-else +- // VGPR store using dw burst +- s_mov_b32 m0, 0x4 //VGPR initial index value =0 +- s_cmp_lt_u32 m0, s_save_alloc_size +- s_cbranch_scc0 L_SAVE_VGPR_END +- +- +- s_set_gpr_idx_on m0, 0x1 //M0[7:0] = M0[7:0] and M0[15:12] = 0x1 +- s_add_u32 s_save_alloc_size, s_save_alloc_size, 0x1000 //add 0x1000 since we compare m0 against it later +- +- L_SAVE_VGPR_LOOP: +- v_mov_b32 v0, v0 //v0 = v[0+m0] +- v_mov_b32 v1, v1 //v0 = v[0+m0] +- v_mov_b32 v2, v2 //v0 = v[0+m0] +- v_mov_b32 v3, v3 //v0 = v[0+m0] +- +- if(USE_MTBUF_INSTEAD_OF_MUBUF) +- tbuffer_store_format_x v0, v0, s_save_buf_rsrc0, s_save_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 +- else +- buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 +- buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256 +- buffer_store_dword v2, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*2 +- buffer_store_dword v3, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*3 +- end +- +- s_add_u32 m0, m0, 4 //next vgpr index +- s_add_u32 s_save_mem_offset, s_save_mem_offset, 256*4 //every buffer_store_dword does 256 bytes +- s_cmp_lt_u32 m0, s_save_alloc_size //scc = (m0 < s_save_alloc_size) ? 1 : 0 +- s_cbranch_scc1 L_SAVE_VGPR_LOOP //VGPR save is complete? +- s_set_gpr_idx_off +-end +- +-L_SAVE_VGPR_END: +- +- +- +- +- +- +- /* S_PGM_END_SAVED */ //FIXME graphics ONLY +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_SAVE_NORMAL_EXIT)) +- s_and_b32 s_save_pc_hi, s_save_pc_hi, 0x0000ffff //pc[47:32] +- s_add_u32 s_save_pc_lo, s_save_pc_lo, 4 //pc[31:0]+4 +- s_addc_u32 s_save_pc_hi, s_save_pc_hi, 0x0 //carry bit over +- s_rfe_b64 s_save_pc_lo //Return to the main shader program +- else +- end +- +-// Save Done timestamp +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_save_d +- // SGPR SR memory offset : size(VGPR) +- get_vgpr_size_bytes(s_save_mem_offset) +- s_add_u32 s_save_mem_offset, s_save_mem_offset, G8SR_DEBUG_TS_SAVE_D_OFFSET +- s_waitcnt lgkmcnt(0) //FIXME, will cause xnack?? +- // Need reset rsrc2?? +- s_mov_b32 m0, s_save_mem_offset +- s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- s_buffer_store_dwordx2 s_g8sr_ts_save_d, s_save_buf_rsrc0, m0 glc:1 +-end +- +- +- s_branch L_END_PGM +- +- +- +-/**************************************************************************/ +-/* restore routine */ +-/**************************************************************************/ +- +-L_RESTORE: +- /* Setup Resource Contants */ +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) +- //calculate wd_addr using absolute thread id +- v_readlane_b32 s_restore_tmp, v9, 0 +- s_lshr_b32 s_restore_tmp, s_restore_tmp, 6 +- s_mul_i32 s_restore_tmp, s_restore_tmp, WAVE_SPACE +- s_add_i32 s_restore_spi_init_lo, s_restore_tmp, WG_BASE_ADDR_LO +- s_mov_b32 s_restore_spi_init_hi, WG_BASE_ADDR_HI +- s_and_b32 s_restore_spi_init_hi, s_restore_spi_init_hi, CTX_RESTORE_CONTROL +- else +- end +- +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_restore_s +- s_waitcnt lgkmcnt(0) //FIXME, will cause xnack?? +- // tma_lo/hi are sgpr 110, 111, which will not used for 112 SGPR allocated case... +- s_mov_b32 s_restore_pc_lo, s_g8sr_ts_restore_s[0] +- s_mov_b32 s_restore_pc_hi, s_g8sr_ts_restore_s[1] //backup ts to ttmp0/1, sicne exec will be finally restored.. +-end +- +- +- +- s_mov_b32 s_restore_buf_rsrc0, s_restore_spi_init_lo //base_addr_lo +- s_and_b32 s_restore_buf_rsrc1, s_restore_spi_init_hi, 0x0000FFFF //base_addr_hi +- s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, S_RESTORE_BUF_RSRC_WORD1_STRIDE +- s_mov_b32 s_restore_buf_rsrc2, 0 //NUM_RECORDS initial value = 0 (in bytes) +- s_mov_b32 s_restore_buf_rsrc3, S_RESTORE_BUF_RSRC_WORD3_MISC +- s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_ATC_MASK +- s_lshr_b32 s_restore_tmp, s_restore_tmp, (S_RESTORE_SPI_INIT_ATC_SHIFT-SQ_BUF_RSRC_WORD1_ATC_SHIFT) //get ATC bit into position +- s_or_b32 s_restore_buf_rsrc3, s_restore_buf_rsrc3, s_restore_tmp //or ATC +- s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_MTYPE_MASK +- s_lshr_b32 s_restore_tmp, s_restore_tmp, (S_RESTORE_SPI_INIT_MTYPE_SHIFT-SQ_BUF_RSRC_WORD3_MTYPE_SHIFT) //get MTYPE bits into position +- s_or_b32 s_restore_buf_rsrc3, s_restore_buf_rsrc3, s_restore_tmp //or MTYPE +- +- /* global mem offset */ +-// s_mov_b32 s_restore_mem_offset, 0x0 //mem offset initial value = 0 +- +- /* the first wave in the threadgroup */ +- s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_FIRST_WAVE_MASK +- s_cbranch_scc0 L_RESTORE_VGPR +- +- /* restore LDS */ +- ////////////////////////////// +- L_RESTORE_LDS: +- +- s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on //be consistent with SAVE although can be moved ahead +- s_mov_b32 exec_hi, 0xFFFFFFFF +- +- s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) //lds_size +- s_and_b32 s_restore_alloc_size, s_restore_alloc_size, 0xFFFFFFFF //lds_size is zero? +- s_cbranch_scc0 L_RESTORE_VGPR //no lds used? jump to L_RESTORE_VGPR +- s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 6 //LDS size in dwords = lds_size * 64dw +- s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 2 //LDS size in bytes +- s_mov_b32 s_restore_buf_rsrc2, s_restore_alloc_size //NUM_RECORDS in bytes +- +- // LDS at offset: size(VGPR)+SIZE(SGPR)+SIZE(HWREG) +- // +- get_vgpr_size_bytes(s_restore_mem_offset) +- get_sgpr_size_bytes(s_restore_tmp) +- s_add_u32 s_restore_mem_offset, s_restore_mem_offset, s_restore_tmp +- s_add_u32 s_restore_mem_offset, s_restore_mem_offset, get_hwreg_size_bytes() //FIXME, Check if offset overflow??? +- +- +- if (SWIZZLE_EN) +- s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- s_mov_b32 m0, 0x0 //lds_offset initial value = 0 +- +- L_RESTORE_LDS_LOOP: +- if (SAVE_LDS) +- buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset lds:1 // first 64DW +- buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset lds:1 offset:256 // second 64DW +- end +- s_add_u32 m0, m0, 256*2 // 128 DW +- s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256*2 //mem offset increased by 128DW +- s_cmp_lt_u32 m0, s_restore_alloc_size //scc=(m0 < s_restore_alloc_size) ? 1 : 0 +- s_cbranch_scc1 L_RESTORE_LDS_LOOP //LDS restore is complete? +- +- +- /* restore VGPRs */ +- ////////////////////////////// +- L_RESTORE_VGPR: +- // VGPR SR memory offset : 0 +- s_mov_b32 s_restore_mem_offset, 0x0 +- s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on //be consistent with SAVE although can be moved ahead +- s_mov_b32 exec_hi, 0xFFFFFFFF +- +- s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) //vpgr_size +- s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 1 +- s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 2 //Number of VGPRs = (vgpr_size + 1) * 4 (non-zero value) +- s_lshl_b32 s_restore_buf_rsrc2, s_restore_alloc_size, 8 //NUM_RECORDS in bytes (64 threads*4) +- if (SWIZZLE_EN) +- s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +-if G8SR_VGPR_SR_IN_DWX4 +- get_vgpr_size_bytes(s_restore_mem_offset) +- s_sub_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 +- +- // the const stride for DWx4 is 4*4 bytes +- s_and_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, G8SR_RESTORE_BUF_RSRC_WORD1_STRIDE_DWx4 // const stride to 4*4 bytes +- +- s_mov_b32 m0, s_restore_alloc_size +- s_set_gpr_idx_on m0, 0x8 // Note.. This will change m0 +- +-L_RESTORE_VGPR_LOOP: +- buffer_load_dwordx4 v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 +- s_waitcnt vmcnt(0) +- s_sub_u32 m0, m0, 4 +- v_mov_b32 v0, v0 // v[0+m0] = v0 +- v_mov_b32 v1, v1 +- v_mov_b32 v2, v2 +- v_mov_b32 v3, v3 +- s_sub_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 +- s_cmp_eq_u32 m0, 0x8000 +- s_cbranch_scc0 L_RESTORE_VGPR_LOOP +- s_set_gpr_idx_off +- +- s_and_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, S_RESTORE_BUF_RSRC_WORD1_STRIDE // const stride to 4*4 bytes +- +-else +- // VGPR load using dw burst +- s_mov_b32 s_restore_mem_offset_save, s_restore_mem_offset // restore start with v1, v0 will be the last +- s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 +- s_mov_b32 m0, 4 //VGPR initial index value = 1 +- s_set_gpr_idx_on m0, 0x8 //M0[7:0] = M0[7:0] and M0[15:12] = 0x8 +- s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 0x8000 //add 0x8000 since we compare m0 against it later +- +- L_RESTORE_VGPR_LOOP: +- if(USE_MTBUF_INSTEAD_OF_MUBUF) +- tbuffer_load_format_x v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 +- else +- buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 +- buffer_load_dword v1, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256 +- buffer_load_dword v2, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256*2 +- buffer_load_dword v3, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256*3 +- end +- s_waitcnt vmcnt(0) //ensure data ready +- v_mov_b32 v0, v0 //v[0+m0] = v0 +- v_mov_b32 v1, v1 +- v_mov_b32 v2, v2 +- v_mov_b32 v3, v3 +- s_add_u32 m0, m0, 4 //next vgpr index +- s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 //every buffer_load_dword does 256 bytes +- s_cmp_lt_u32 m0, s_restore_alloc_size //scc = (m0 < s_restore_alloc_size) ? 1 : 0 +- s_cbranch_scc1 L_RESTORE_VGPR_LOOP //VGPR restore (except v0) is complete? +- s_set_gpr_idx_off +- /* VGPR restore on v0 */ +- if(USE_MTBUF_INSTEAD_OF_MUBUF) +- tbuffer_load_format_x v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 +- else +- buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 +- buffer_load_dword v1, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256 +- buffer_load_dword v2, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256*2 +- buffer_load_dword v3, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256*3 +- end +- +-end +- +- /* restore SGPRs */ +- ////////////////////////////// +- +- // SGPR SR memory offset : size(VGPR) +- get_vgpr_size_bytes(s_restore_mem_offset) +- get_sgpr_size_bytes(s_restore_tmp) +- s_add_u32 s_restore_mem_offset, s_restore_mem_offset, s_restore_tmp +- s_sub_u32 s_restore_mem_offset, s_restore_mem_offset, 16*4 // restore SGPR from S[n] to S[0], by 16 sgprs group +- // TODO, change RSRC word to rearrange memory layout for SGPRS +- +- s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE) //spgr_size +- s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 1 +- s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 4 //Number of SGPRs = (sgpr_size + 1) * 16 (non-zero value) +- +- if (SGPR_SAVE_USE_SQC) +- s_lshl_b32 s_restore_buf_rsrc2, s_restore_alloc_size, 2 //NUM_RECORDS in bytes +- else +- s_lshl_b32 s_restore_buf_rsrc2, s_restore_alloc_size, 8 //NUM_RECORDS in bytes (64 threads) +- end +- if (SWIZZLE_EN) +- s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +- s_mov_b32 m0, s_restore_alloc_size +- +- L_RESTORE_SGPR_LOOP: +- read_16sgpr_from_mem(s0, s_restore_buf_rsrc0, s_restore_mem_offset) //PV: further performance improvement can be made +- s_waitcnt lgkmcnt(0) //ensure data ready +- +- s_sub_u32 m0, m0, 16 // Restore from S[n] to S[0] +- s_nop 0 // hazard SALU M0=> S_MOVREL +- +- s_movreld_b64 s0, s0 //s[0+m0] = s0 +- s_movreld_b64 s2, s2 +- s_movreld_b64 s4, s4 +- s_movreld_b64 s6, s6 +- s_movreld_b64 s8, s8 +- s_movreld_b64 s10, s10 +- s_movreld_b64 s12, s12 +- s_movreld_b64 s14, s14 +- +- s_cmp_eq_u32 m0, 0 //scc = (m0 < s_restore_alloc_size) ? 1 : 0 +- s_cbranch_scc0 L_RESTORE_SGPR_LOOP //SGPR restore (except s0) is complete? +- +- /* restore HW registers */ +- ////////////////////////////// +- L_RESTORE_HWREG: +- +- +-if G8SR_DEBUG_TIMESTAMP +- s_mov_b32 s_g8sr_ts_restore_s[0], s_restore_pc_lo +- s_mov_b32 s_g8sr_ts_restore_s[1], s_restore_pc_hi +-end +- +- // HWREG SR memory offset : size(VGPR)+size(SGPR) +- get_vgpr_size_bytes(s_restore_mem_offset) +- get_sgpr_size_bytes(s_restore_tmp) +- s_add_u32 s_restore_mem_offset, s_restore_mem_offset, s_restore_tmp +- +- +- s_mov_b32 s_restore_buf_rsrc2, 0x4 //NUM_RECORDS in bytes +- if (SWIZZLE_EN) +- s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else +- s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +- read_hwreg_from_mem(s_restore_m0, s_restore_buf_rsrc0, s_restore_mem_offset) //M0 +- read_hwreg_from_mem(s_restore_pc_lo, s_restore_buf_rsrc0, s_restore_mem_offset) //PC +- read_hwreg_from_mem(s_restore_pc_hi, s_restore_buf_rsrc0, s_restore_mem_offset) +- read_hwreg_from_mem(s_restore_exec_lo, s_restore_buf_rsrc0, s_restore_mem_offset) //EXEC +- read_hwreg_from_mem(s_restore_exec_hi, s_restore_buf_rsrc0, s_restore_mem_offset) +- read_hwreg_from_mem(s_restore_status, s_restore_buf_rsrc0, s_restore_mem_offset) //STATUS +- read_hwreg_from_mem(s_restore_trapsts, s_restore_buf_rsrc0, s_restore_mem_offset) //TRAPSTS +- read_hwreg_from_mem(xnack_mask_lo, s_restore_buf_rsrc0, s_restore_mem_offset) //XNACK_MASK_LO +- read_hwreg_from_mem(xnack_mask_hi, s_restore_buf_rsrc0, s_restore_mem_offset) //XNACK_MASK_HI +- read_hwreg_from_mem(s_restore_mode, s_restore_buf_rsrc0, s_restore_mem_offset) //MODE +- +- s_waitcnt lgkmcnt(0) //from now on, it is safe to restore STATUS and IB_STS +- +- s_and_b32 s_restore_pc_hi, s_restore_pc_hi, 0x0000ffff //pc[47:32] //Do it here in order not to affect STATUS +- +- //for normal save & restore, the saved PC points to the next inst to execute, no adjustment needs to be made, otherwise: +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) +- s_add_u32 s_restore_pc_lo, s_restore_pc_lo, 8 //pc[31:0]+8 //two back-to-back s_trap are used (first for save and second for restore) +- s_addc_u32 s_restore_pc_hi, s_restore_pc_hi, 0x0 //carry bit over +- end +- if ((EMU_RUN_HACK) && (EMU_RUN_HACK_RESTORE_NORMAL)) +- s_add_u32 s_restore_pc_lo, s_restore_pc_lo, 4 //pc[31:0]+4 // save is hack through s_trap but restore is normal +- s_addc_u32 s_restore_pc_hi, s_restore_pc_hi, 0x0 //carry bit over +- end +- +- s_mov_b32 m0, s_restore_m0 +- s_mov_b32 exec_lo, s_restore_exec_lo +- s_mov_b32 exec_hi, s_restore_exec_hi +- +- s_and_b32 s_restore_m0, SQ_WAVE_TRAPSTS_PRE_SAVECTX_MASK, s_restore_trapsts +- s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_PRE_SAVECTX_SHIFT, SQ_WAVE_TRAPSTS_PRE_SAVECTX_SIZE), s_restore_m0 +- s_and_b32 s_restore_m0, SQ_WAVE_TRAPSTS_POST_SAVECTX_MASK, s_restore_trapsts +- s_lshr_b32 s_restore_m0, s_restore_m0, SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT +- s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT, SQ_WAVE_TRAPSTS_POST_SAVECTX_SIZE), s_restore_m0 +- //s_setreg_b32 hwreg(HW_REG_TRAPSTS), s_restore_trapsts //don't overwrite SAVECTX bit as it may be set through external SAVECTX during restore +- s_setreg_b32 hwreg(HW_REG_MODE), s_restore_mode +- //reuse s_restore_m0 as a temp register +- s_and_b32 s_restore_m0, s_restore_pc_hi, S_SAVE_PC_HI_RCNT_MASK +- s_lshr_b32 s_restore_m0, s_restore_m0, S_SAVE_PC_HI_RCNT_SHIFT +- s_lshl_b32 s_restore_m0, s_restore_m0, SQ_WAVE_IB_STS_RCNT_SHIFT +- s_mov_b32 s_restore_tmp, 0x0 //IB_STS is zero +- s_or_b32 s_restore_tmp, s_restore_tmp, s_restore_m0 +- s_and_b32 s_restore_m0, s_restore_pc_hi, S_SAVE_PC_HI_FIRST_REPLAY_MASK +- s_lshr_b32 s_restore_m0, s_restore_m0, S_SAVE_PC_HI_FIRST_REPLAY_SHIFT +- s_lshl_b32 s_restore_m0, s_restore_m0, SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT +- s_or_b32 s_restore_tmp, s_restore_tmp, s_restore_m0 +- s_and_b32 s_restore_m0, s_restore_status, SQ_WAVE_STATUS_INST_ATC_MASK +- s_lshr_b32 s_restore_m0, s_restore_m0, SQ_WAVE_STATUS_INST_ATC_SHIFT +- s_setreg_b32 hwreg(HW_REG_IB_STS), s_restore_tmp +- +- s_and_b64 exec, exec, exec // Restore STATUS.EXECZ, not writable by s_setreg_b32 +- s_and_b64 vcc, vcc, vcc // Restore STATUS.VCCZ, not writable by s_setreg_b32 +- s_setreg_b32 hwreg(HW_REG_STATUS), s_restore_status // SCC is included, which is changed by previous salu +- +- s_barrier //barrier to ensure the readiness of LDS before access attemps from any other wave in the same TG //FIXME not performance-optimal at this time +- +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_restore_d +- s_waitcnt lgkmcnt(0) +-end +- +-// s_rfe_b64 s_restore_pc_lo //Return to the main shader program and resume execution +- s_rfe_restore_b64 s_restore_pc_lo, s_restore_m0 // s_restore_m0[0] is used to set STATUS.inst_atc +- +- +-/**************************************************************************/ +-/* the END */ +-/**************************************************************************/ +-L_END_PGM: +- s_endpgm +- +-end +- +- +-/**************************************************************************/ +-/* the helper functions */ +-/**************************************************************************/ +- +-//Only for save hwreg to mem +-function write_hwreg_to_mem(s, s_rsrc, s_mem_offset) +- s_mov_b32 exec_lo, m0 //assuming exec_lo is not needed anymore from this point on +- s_mov_b32 m0, s_mem_offset +- s_buffer_store_dword s, s_rsrc, m0 glc:1 +-if ACK_SQC_STORE +- s_waitcnt lgkmcnt(0) +-end +- s_add_u32 s_mem_offset, s_mem_offset, 4 +- s_mov_b32 m0, exec_lo +-end +- +- +-// HWREG are saved before SGPRs, so all HWREG could be use. +-function write_16sgpr_to_mem(s, s_rsrc, s_mem_offset) +- +- s_buffer_store_dwordx4 s[0], s_rsrc, 0 glc:1 +-if ACK_SQC_STORE +- s_waitcnt lgkmcnt(0) +-end +- s_buffer_store_dwordx4 s[4], s_rsrc, 16 glc:1 +-if ACK_SQC_STORE +- s_waitcnt lgkmcnt(0) +-end +- s_buffer_store_dwordx4 s[8], s_rsrc, 32 glc:1 +-if ACK_SQC_STORE +- s_waitcnt lgkmcnt(0) +-end +- s_buffer_store_dwordx4 s[12], s_rsrc, 48 glc:1 +-if ACK_SQC_STORE +- s_waitcnt lgkmcnt(0) +-end +- s_add_u32 s_rsrc[0], s_rsrc[0], 4*16 +- s_addc_u32 s_rsrc[1], s_rsrc[1], 0x0 // +scc +-end +- +- +-function read_hwreg_from_mem(s, s_rsrc, s_mem_offset) +- s_buffer_load_dword s, s_rsrc, s_mem_offset glc:1 +- s_add_u32 s_mem_offset, s_mem_offset, 4 +-end +- +-function read_16sgpr_from_mem(s, s_rsrc, s_mem_offset) +- s_buffer_load_dwordx16 s, s_rsrc, s_mem_offset glc:1 +- s_sub_u32 s_mem_offset, s_mem_offset, 4*16 +-end +- +- +- +-function get_lds_size_bytes(s_lds_size_byte) +- // SQ LDS granularity is 64DW, while PGM_RSRC2.lds_size is in granularity 128DW +- s_getreg_b32 s_lds_size_byte, hwreg(HW_REG_LDS_ALLOC, SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT, SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) // lds_size +- s_lshl_b32 s_lds_size_byte, s_lds_size_byte, 8 //LDS size in dwords = lds_size * 64 *4Bytes // granularity 64DW +-end +- +-function get_vgpr_size_bytes(s_vgpr_size_byte) +- s_getreg_b32 s_vgpr_size_byte, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) //vpgr_size +- s_add_u32 s_vgpr_size_byte, s_vgpr_size_byte, 1 +- s_lshl_b32 s_vgpr_size_byte, s_vgpr_size_byte, (2+8) //Number of VGPRs = (vgpr_size + 1) * 4 * 64 * 4 (non-zero value) //FIXME for GFX, zero is possible +-end +- +-function get_sgpr_size_bytes(s_sgpr_size_byte) +- s_getreg_b32 s_sgpr_size_byte, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE) //spgr_size +- s_add_u32 s_sgpr_size_byte, s_sgpr_size_byte, 1 +- s_lshl_b32 s_sgpr_size_byte, s_sgpr_size_byte, 6 //Number of SGPRs = (sgpr_size + 1) * 16 *4 (non-zero value) +-end +- +-function get_hwreg_size_bytes +- return 128 //HWREG size 128 bytes +-end +- +- +- +-#endif +- +-static const uint32_t cwsr_trap_gfx9_hex[] = { +- 0xbf820001, 0xbf820136, +- 0xb8f0f802, 0x89708670, +- 0xb8f1f803, 0x8674ff71, +- 0x00000400, 0xbf850021, +- 0x8674ff71, 0x00000800, +- 0xbf850003, 0x8674ff71, +- 0x00000100, 0xbf840007, +- 0x8674ff70, 0x00002000, +- 0xbf840001, 0xbf810000, +- 0x8770ff70, 0x00002000, +- 0xbf820010, 0xb8faf812, +- 0xb8fbf813, 0x8efa887a, +- 0xc00a1d3d, 0x00000000, +- 0xbf8cc07f, 0x87737574, +- 0xbf840002, 0xb970f802, +- 0xbe801d74, 0xb8f1f803, +- 0x8671ff71, 0x000001ff, +- 0xbf850002, 0x806c846c, +- 0x826d806d, 0x866dff6d, +- 0x0000ffff, 0xb970f802, +- 0xbe801f6c, 0xb8f1f803, +- 0x8671ff71, 0x00000100, +- 0xbf840006, 0xbef60080, +- 0xb9760203, 0x866dff6d, +- 0x0000ffff, 0x80ec886c, +- 0x82ed806d, 0xbef60080, +- 0xb9760283, 0xbef20068, +- 0xbef30069, 0xb8f62407, +- 0x8e769c76, 0x876d766d, +- 0xb8f603c7, 0x8e769b76, +- 0x876d766d, 0xb8f6f807, +- 0x8676ff76, 0x00007fff, +- 0xb976f807, 0xbeee007e, +- 0xbeef007f, 0xbefe0180, +- 0xbf900004, 0xbf8e0002, +- 0xbf88fffe, 0xbef4007e, +- 0x8675ff7f, 0x0000ffff, +- 0x8775ff75, 0x00040000, +- 0xbef60080, 0xbef700ff, +- 0x00807fac, 0x8676ff7f, +- 0x08000000, 0x8f768376, +- 0x87777677, 0x8676ff7f, +- 0x70000000, 0x8f768176, +- 0x87777677, 0xbefb007c, +- 0xbefa0080, 0xb8fa2a05, +- 0x807a817a, 0x8e7a8a7a, +- 0xb8f61605, 0x80768176, +- 0x8e768676, 0x807a767a, +- 0xbef60084, 0xbef600ff, +- 0x01000000, 0xbefe007c, +- 0xbefc007a, 0xc0611efa, +- 0x0000007c, 0xbf8cc07f, +- 0x807a847a, 0xbefc007e, +- 0xbefe007c, 0xbefc007a, +- 0xc0611b3a, 0x0000007c, +- 0xbf8cc07f, 0x807a847a, +- 0xbefc007e, 0xbefe007c, +- 0xbefc007a, 0xc0611b7a, +- 0x0000007c, 0xbf8cc07f, +- 0x807a847a, 0xbefc007e, +- 0xbefe007c, 0xbefc007a, +- 0xc0611bba, 0x0000007c, +- 0xbf8cc07f, 0x807a847a, +- 0xbefc007e, 0xbefe007c, +- 0xbefc007a, 0xc0611bfa, +- 0x0000007c, 0xbf8cc07f, +- 0x807a847a, 0xbefc007e, +- 0xbefe007c, 0xbefc007a, +- 0xc0611c3a, 0x0000007c, +- 0xbf8cc07f, 0x807a847a, +- 0xbefc007e, 0xb8f1f803, +- 0xbefe007c, 0xbefc007a, +- 0xc0611c7a, 0x0000007c, +- 0xbf8cc07f, 0x807a847a, +- 0xbefc007e, 0xbefe007c, +- 0xbefc007a, 0xc0611cba, +- 0x0000007c, 0xbf8cc07f, +- 0x807a847a, 0xbefc007e, +- 0xbefe007c, 0xbefc007a, +- 0xc0611cfa, 0x0000007c, +- 0xbf8cc07f, 0x807a847a, +- 0xbefc007e, 0xb8fbf801, +- 0xbefe007c, 0xbefc007a, +- 0xc0611efa, 0x0000007c, +- 0xbf8cc07f, 0x807a847a, +- 0xbefc007e, 0x8676ff7f, +- 0x04000000, 0xbeef0080, +- 0x876f6f76, 0xb8fa2a05, +- 0x807a817a, 0x8e7a8a7a, +- 0xb8f11605, 0x80718171, +- 0x8e718471, 0x8e768271, +- 0xbef600ff, 0x01000000, +- 0xbef20174, 0x80747a74, +- 0x82758075, 0xbefc0080, +- 0xbf800000, 0xbe802b00, +- 0xbe822b02, 0xbe842b04, +- 0xbe862b06, 0xbe882b08, +- 0xbe8a2b0a, 0xbe8c2b0c, +- 0xbe8e2b0e, 0xc06b003a, +- 0x00000000, 0xbf8cc07f, +- 0xc06b013a, 0x00000010, +- 0xbf8cc07f, 0xc06b023a, +- 0x00000020, 0xbf8cc07f, +- 0xc06b033a, 0x00000030, +- 0xbf8cc07f, 0x8074c074, +- 0x82758075, 0x807c907c, +- 0xbf0a717c, 0xbf85ffe7, +- 0xbef40172, 0xbefa0080, +- 0xbefe00c1, 0xbeff00c1, +- 0xbef600ff, 0x01000000, +- 0xe0724000, 0x7a1d0000, +- 0xe0724100, 0x7a1d0100, +- 0xe0724200, 0x7a1d0200, +- 0xe0724300, 0x7a1d0300, +- 0xbefe00c1, 0xbeff00c1, +- 0xb8f14306, 0x8671c171, +- 0xbf84002c, 0xbf8a0000, +- 0x8676ff6f, 0x04000000, +- 0xbf840028, 0x8e718671, +- 0x8e718271, 0xbef60071, +- 0xb8fa2a05, 0x807a817a, +- 0x8e7a8a7a, 0xb8f61605, +- 0x80768176, 0x8e768676, +- 0x807a767a, 0x807aff7a, +- 0x00000080, 0xbef600ff, +- 0x01000000, 0xbefc0080, +- 0xd28c0002, 0x000100c1, +- 0xd28d0003, 0x000204c1, +- 0xd1060002, 0x00011103, +- 0x7e0602ff, 0x00000200, +- 0xbefc00ff, 0x00010000, +- 0xbe800077, 0x8677ff77, +- 0xff7fffff, 0x8777ff77, +- 0x00058000, 0xd8ec0000, +- 0x00000002, 0xbf8cc07f, +- 0xe0765000, 0x7a1d0002, +- 0x68040702, 0xd0c9006a, +- 0x0000e302, 0xbf87fff7, +- 0xbef70000, 0xbefa00ff, +- 0x00000400, 0xbefe00c1, +- 0xbeff00c1, 0xb8f12a05, +- 0x80718171, 0x8e718271, +- 0x8e768871, 0xbef600ff, +- 0x01000000, 0xbefc0084, +- 0xbf0a717c, 0xbf840015, +- 0xbf11017c, 0x8071ff71, +- 0x00001000, 0x7e000300, +- 0x7e020301, 0x7e040302, +- 0x7e060303, 0xe0724000, +- 0x7a1d0000, 0xe0724100, +- 0x7a1d0100, 0xe0724200, +- 0x7a1d0200, 0xe0724300, +- 0x7a1d0300, 0x807c847c, +- 0x807aff7a, 0x00000400, +- 0xbf0a717c, 0xbf85ffef, +- 0xbf9c0000, 0xbf8200c5, +- 0xbef4007e, 0x8675ff7f, +- 0x0000ffff, 0x8775ff75, +- 0x00040000, 0xbef60080, +- 0xbef700ff, 0x00807fac, +- 0x8672ff7f, 0x08000000, +- 0x8f728372, 0x87777277, +- 0x8672ff7f, 0x70000000, +- 0x8f728172, 0x87777277, +- 0x8672ff7f, 0x04000000, +- 0xbf84001e, 0xbefe00c1, +- 0xbeff00c1, 0xb8ef4306, +- 0x866fc16f, 0xbf840019, +- 0x8e6f866f, 0x8e6f826f, +- 0xbef6006f, 0xb8f82a05, +- 0x80788178, 0x8e788a78, +- 0xb8f21605, 0x80728172, +- 0x8e728672, 0x80787278, +- 0x8078ff78, 0x00000080, +- 0xbef600ff, 0x01000000, +- 0xbefc0080, 0xe0510000, +- 0x781d0000, 0xe0510100, +- 0x781d0000, 0x807cff7c, +- 0x00000200, 0x8078ff78, +- 0x00000200, 0xbf0a6f7c, +- 0xbf85fff6, 0xbef80080, +- 0xbefe00c1, 0xbeff00c1, +- 0xb8ef2a05, 0x806f816f, +- 0x8e6f826f, 0x8e76886f, +- 0xbef600ff, 0x01000000, +- 0xbef20078, 0x8078ff78, +- 0x00000400, 0xbefc0084, +- 0xbf11087c, 0x806fff6f, +- 0x00008000, 0xe0524000, +- 0x781d0000, 0xe0524100, +- 0x781d0100, 0xe0524200, +- 0x781d0200, 0xe0524300, +- 0x781d0300, 0xbf8c0f70, +- 0x7e000300, 0x7e020301, +- 0x7e040302, 0x7e060303, +- 0x807c847c, 0x8078ff78, +- 0x00000400, 0xbf0a6f7c, +- 0xbf85ffee, 0xbf9c0000, +- 0xe0524000, 0x721d0000, +- 0xe0524100, 0x721d0100, +- 0xe0524200, 0x721d0200, +- 0xe0524300, 0x721d0300, +- 0xb8f82a05, 0x80788178, +- 0x8e788a78, 0xb8f21605, +- 0x80728172, 0x8e728672, +- 0x80787278, 0x80f8c078, +- 0xb8ef1605, 0x806f816f, +- 0x8e6f846f, 0x8e76826f, +- 0xbef600ff, 0x01000000, +- 0xbefc006f, 0xc031003a, +- 0x00000078, 0x80f8c078, +- 0xbf8cc07f, 0x80fc907c, +- 0xbf800000, 0xbe802d00, +- 0xbe822d02, 0xbe842d04, +- 0xbe862d06, 0xbe882d08, +- 0xbe8a2d0a, 0xbe8c2d0c, +- 0xbe8e2d0e, 0xbf06807c, +- 0xbf84fff0, 0xb8f82a05, +- 0x80788178, 0x8e788a78, +- 0xb8f21605, 0x80728172, +- 0x8e728672, 0x80787278, +- 0xbef60084, 0xbef600ff, +- 0x01000000, 0xc0211bfa, +- 0x00000078, 0x80788478, +- 0xc0211b3a, 0x00000078, +- 0x80788478, 0xc0211b7a, +- 0x00000078, 0x80788478, +- 0xc0211eba, 0x00000078, +- 0x80788478, 0xc0211efa, +- 0x00000078, 0x80788478, +- 0xc0211c3a, 0x00000078, +- 0x80788478, 0xc0211c7a, +- 0x00000078, 0x80788478, +- 0xc0211a3a, 0x00000078, +- 0x80788478, 0xc0211a7a, +- 0x00000078, 0x80788478, +- 0xc0211cfa, 0x00000078, +- 0x80788478, 0xbf8cc07f, +- 0x866dff6d, 0x0000ffff, +- 0xbefc006f, 0xbefe007a, +- 0xbeff007b, 0x866f71ff, +- 0x000003ff, 0xb96f4803, +- 0x866f71ff, 0xfffff800, +- 0x8f6f8b6f, 0xb96fa2c3, +- 0xb973f801, 0x866fff6d, +- 0xf0000000, 0x8f6f9c6f, +- 0x8e6f906f, 0xbef20080, +- 0x87726f72, 0x866fff6d, +- 0x08000000, 0x8f6f9b6f, +- 0x8e6f8f6f, 0x87726f72, +- 0x866fff70, 0x00800000, +- 0x8f6f976f, 0xb972f807, +- 0x86fe7e7e, 0x86ea6a6a, +- 0xb970f802, 0xbf8a0000, +- 0x95806f6c, 0xbf810000, +-}; +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +index 933af56..660b3fb 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +@@ -25,7 +25,6 @@ + #include <linux/err.h> + #include <linux/fs.h> + #include <linux/sched.h> +-#include <linux/sched/mm.h> + #include <linux/slab.h> + #include <linux/uaccess.h> + #include <linux/compat.h> +@@ -34,17 +33,13 @@ + #include <linux/mm.h> + #include <linux/mman.h> + #include <asm/processor.h> +-#include <linux/ptrace.h> +- + #include "kfd_priv.h" + #include "kfd_device_queue_manager.h" + #include "kfd_dbgmgr.h" +-#include "kfd_ipc.h" + + static long kfd_ioctl(struct file *, unsigned int, unsigned long); + static int kfd_open(struct inode *, struct file *); + static int kfd_mmap(struct file *, struct vm_area_struct *); +-static bool kfd_dev_is_large_bar(struct kfd_dev *dev); + + static const char kfd_dev_name[] = "kfd"; + +@@ -60,14 +55,6 @@ static int kfd_char_dev_major = -1; + static struct class *kfd_class; + struct device *kfd_device; + +-static char *kfd_devnode(struct device *dev, umode_t *mode) +-{ +- if (mode && dev->devt == MKDEV(kfd_char_dev_major, 0)) +- *mode = 0666; +- +- return NULL; +-} +- + int kfd_chardev_init(void) + { + int err = 0; +@@ -82,8 +69,6 @@ int kfd_chardev_init(void) + if (IS_ERR(kfd_class)) + goto err_class_create; + +- kfd_class->devnode = kfd_devnode; +- + kfd_device = device_create(kfd_class, NULL, + MKDEV(kfd_char_dev_major, 0), + NULL, kfd_dev_name); +@@ -132,7 +117,7 @@ static int kfd_open(struct inode *inode, struct file *filep) + return -EPERM; + } + +- process = kfd_create_process(filep); ++ process = kfd_create_process(current); + if (IS_ERR(process)) + return PTR_ERR(process); + +@@ -221,7 +206,6 @@ static int set_queue_properties_from_user(struct queue_properties *q_properties, + q_properties->ctx_save_restore_area_address = + args->ctx_save_restore_address; + q_properties->ctx_save_restore_area_size = args->ctx_save_restore_size; +- q_properties->ctl_stack_size = args->ctl_stack_size; + if (args->queue_type == KFD_IOC_QUEUE_TYPE_COMPUTE || + args->queue_type == KFD_IOC_QUEUE_TYPE_COMPUTE_AQL) + q_properties->type = KFD_QUEUE_TYPE_COMPUTE; +@@ -298,7 +282,8 @@ static int kfd_ioctl_create_queue(struct file *filep, struct kfd_process *p, + p->pasid, + dev->id); + +- err = pqm_create_queue(&p->pqm, dev, filep, &q_properties, &queue_id); ++ err = pqm_create_queue(&p->pqm, dev, filep, &q_properties, ++ 0, q_properties.type, &queue_id); + if (err != 0) + goto err_create_queue; + +@@ -306,16 +291,8 @@ static int kfd_ioctl_create_queue(struct file *filep, struct kfd_process *p, + + + /* Return gpu_id as doorbell offset for mmap usage */ +- args->doorbell_offset = KFD_MMAP_TYPE_DOORBELL; +- args->doorbell_offset |= KFD_MMAP_GPU_ID(args->gpu_id); ++ args->doorbell_offset = (KFD_MMAP_DOORBELL_MASK | args->gpu_id); + args->doorbell_offset <<= PAGE_SHIFT; +- if (KFD_IS_SOC15(dev->device_info->asic_family)) +- /* On SOC15 ASICs, doorbell allocation must be +- * per-device, and independent from the per-process +- * queue_id. Return the doorbell offset within the +- * doorbell aperture to user mode. +- */ +- args->doorbell_offset |= q_properties.doorbell_off; + + mutex_unlock(&p->mutex); + +@@ -403,58 +380,6 @@ static int kfd_ioctl_update_queue(struct file *filp, struct kfd_process *p, + return retval; + } + +-static int kfd_ioctl_set_cu_mask(struct file *filp, struct kfd_process *p, +- void *data) +-{ +- int retval; +- const int max_num_cus = 1024; +- struct kfd_ioctl_set_cu_mask_args *args = data; +- struct queue_properties properties; +- uint32_t __user *cu_mask_ptr = (uint32_t __user *)args->cu_mask_ptr; +- size_t cu_mask_size = sizeof(uint32_t) * (args->num_cu_mask / 32); +- +- if ((args->num_cu_mask % 32) != 0) { +- pr_debug("num_cu_mask 0x%x must be a multiple of 32", +- args->num_cu_mask); +- return -EINVAL; +- } +- +- properties.cu_mask_count = args->num_cu_mask; +- if (properties.cu_mask_count == 0) { +- pr_debug("CU mask cannot be 0"); +- return -EINVAL; +- } +- +- /* To prevent an unreasonably large CU mask size, set an arbitrary +- * limit of max_num_cus bits. We can then just drop any CU mask bits +- * past max_num_cus bits and just use the first max_num_cus bits. +- */ +- if (properties.cu_mask_count > max_num_cus) { +- pr_debug("CU mask cannot be greater than 1024 bits"); +- properties.cu_mask_count = max_num_cus; +- cu_mask_size = sizeof(uint32_t) * (max_num_cus/32); +- } +- +- properties.cu_mask = kzalloc(cu_mask_size, GFP_KERNEL); +- if (!properties.cu_mask) +- return -ENOMEM; +- +- retval = copy_from_user(properties.cu_mask, cu_mask_ptr, cu_mask_size); +- if (retval) { +- pr_debug("Could not copy CU mask from userspace"); +- kfree(properties.cu_mask); +- return -EFAULT; +- } +- +- mutex_lock(&p->mutex); +- +- retval = pqm_set_cu_mask(&p->pqm, args->queue_id, &properties); +- +- mutex_unlock(&p->mutex); +- +- return retval; +-} +- + static int kfd_ioctl_set_memory_policy(struct file *filep, + struct kfd_process *p, void *data) + { +@@ -507,38 +432,6 @@ static int kfd_ioctl_set_memory_policy(struct file *filep, + return err; + } + +-static int kfd_ioctl_set_trap_handler(struct file *filep, +- struct kfd_process *p, void *data) +-{ +- struct kfd_ioctl_set_trap_handler_args *args = data; +- struct kfd_dev *dev; +- int err = 0; +- struct kfd_process_device *pdd; +- +- dev = kfd_device_by_id(args->gpu_id); +- if (!dev) +- return -EINVAL; +- +- mutex_lock(&p->mutex); +- +- pdd = kfd_bind_process_to_device(dev, p); +- if (IS_ERR(pdd)) { +- err = -ESRCH; +- goto out; +- } +- +- if (dev->dqm->ops.set_trap_handler(dev->dqm, +- &pdd->qpd, +- args->tba_addr, +- args->tma_addr)) +- err = -EINVAL; +- +-out: +- mutex_unlock(&p->mutex); +- +- return err; +-} +- + static int kfd_ioctl_dbg_register(struct file *filep, + struct kfd_process *p, void *data) + { +@@ -553,8 +446,13 @@ static int kfd_ioctl_dbg_register(struct file *filep, + if (!dev) + return -EINVAL; + +- mutex_lock(&p->mutex); ++ if (dev->device_info->asic_family == CHIP_CARRIZO) { ++ pr_debug("kfd_ioctl_dbg_register not supported on CZ\n"); ++ return -EINVAL; ++ } ++ + mutex_lock(kfd_get_dbgmgr_mutex()); ++ mutex_lock(&p->mutex); + + /* + * make sure that we have pdd, if this the first queue created for +@@ -582,8 +480,8 @@ static int kfd_ioctl_dbg_register(struct file *filep, + } + + out: +- mutex_unlock(kfd_get_dbgmgr_mutex()); + mutex_unlock(&p->mutex); ++ mutex_unlock(kfd_get_dbgmgr_mutex()); + + return status; + } +@@ -596,9 +494,14 @@ static int kfd_ioctl_dbg_unregister(struct file *filep, + long status; + + dev = kfd_device_by_id(args->gpu_id); +- if (!dev || !dev->dbgmgr) ++ if (!dev) + return -EINVAL; + ++ if (dev->device_info->asic_family == CHIP_CARRIZO) { ++ pr_debug("kfd_ioctl_dbg_unregister not supported on CZ\n"); ++ return -EINVAL; ++ } ++ + mutex_lock(kfd_get_dbgmgr_mutex()); + + status = kfd_dbgmgr_unregister(dev->dbgmgr, p); +@@ -639,6 +542,11 @@ static int kfd_ioctl_dbg_address_watch(struct file *filep, + if (!dev) + return -EINVAL; + ++ if (dev->device_info->asic_family == CHIP_CARRIZO) { ++ pr_debug("kfd_ioctl_dbg_wave_control not supported on CZ\n"); ++ return -EINVAL; ++ } ++ + cmd_from_user = (void __user *) args->content_ptr; + + /* Validate arguments */ +@@ -742,6 +650,11 @@ static int kfd_ioctl_dbg_wave_control(struct file *filep, + if (!dev) + return -EINVAL; + ++ if (dev->device_info->asic_family == CHIP_CARRIZO) { ++ pr_debug("kfd_ioctl_dbg_wave_control not supported on CZ\n"); ++ return -EINVAL; ++ } ++ + /* input size must match the computed "compact" size */ + if (args->buf_size_in_bytes != computed_buff_size) { + pr_debug("size mismatch, computed : actual %u : %u\n", +@@ -800,37 +713,22 @@ static int kfd_ioctl_get_clock_counters(struct file *filep, + { + struct kfd_ioctl_get_clock_counters_args *args = data; + struct kfd_dev *dev; +-#if (defined OS_NAME_RHEL) && (OS_VERSION_MAJOR == 6) \ +- || (defined OS_NAME_RHEL_7_2) +- struct timespec time; +-#else + struct timespec64 time; +-#endif + + dev = kfd_device_by_id(args->gpu_id); +- if (dev) +- /* Reading GPU clock counter from KGD */ +- args->gpu_clock_counter = +- dev->kfd2kgd->get_gpu_clock_counter(dev->kgd); +- else +- /* Node without GPU resource */ +- args->gpu_clock_counter = 0; ++ if (dev == NULL) ++ return -EINVAL; ++ ++ /* Reading GPU clock counter from KGD */ ++ args->gpu_clock_counter = ++ dev->kfd2kgd->get_gpu_clock_counter(dev->kgd); + + /* No access to rdtsc. Using raw monotonic time */ +-#if (defined OS_NAME_RHEL) && (OS_VERSION_MAJOR == 6) \ +- || (defined OS_NAME_RHEL_7_2) +- getrawmonotonic(&time); +- args->cpu_clock_counter = (uint64_t)timespec_to_ns(&time); +- +- get_monotonic_boottime(&time); +- args->system_clock_counter = (uint64_t)timespec_to_ns(&time); +-#else + getrawmonotonic64(&time); + args->cpu_clock_counter = (uint64_t)timespec64_to_ns(&time); + + get_monotonic_boottime64(&time); + args->system_clock_counter = (uint64_t)timespec64_to_ns(&time); +-#endif + + /* Since the counter is in nano-seconds we use 1GHz frequency */ + args->system_clock_freq = 1000000000; +@@ -895,152 +793,19 @@ static int kfd_ioctl_get_process_apertures(struct file *filp, + return 0; + } + +-static int kfd_ioctl_get_process_apertures_new(struct file *filp, +- struct kfd_process *p, void *data) +-{ +- struct kfd_ioctl_get_process_apertures_new_args *args = data; +- struct kfd_process_device_apertures *pa; +- struct kfd_process_device *pdd; +- uint32_t nodes = 0; +- int ret; +- +- dev_dbg(kfd_device, "get apertures for PASID %d", p->pasid); +- +- if (args->num_of_nodes == 0) { +- /* Return number of nodes, so that user space can alloacate +- * sufficient memory +- */ +- mutex_lock(&p->mutex); +- +- if (!kfd_has_process_device_data(p)) +- goto out_upwrite; +- +- /* Run over all pdd of the process */ +- pdd = kfd_get_first_process_device_data(p); +- do { +- args->num_of_nodes++; +- pdd = kfd_get_next_process_device_data(p, pdd); +- } while (pdd); +- +- goto out_upwrite; +- } +- +- /* Fill in process-aperture information for all available +- * nodes, but not more than args->num_of_nodes as that is +- * the amount of memory allocated by user +- */ +- pa = kzalloc((sizeof(struct kfd_process_device_apertures) * +- args->num_of_nodes), GFP_KERNEL); +- if (!pa) +- return -ENOMEM; +- +- mutex_lock(&p->mutex); +- +- if (!kfd_has_process_device_data(p)) { +- args->num_of_nodes = 0; +- kfree(pa); +- goto out_upwrite; +- } +- +- /* Run over all pdd of the process */ +- pdd = kfd_get_first_process_device_data(p); +- do { +- pa[nodes].gpu_id = pdd->dev->id; +- pa[nodes].lds_base = pdd->lds_base; +- pa[nodes].lds_limit = pdd->lds_limit; +- pa[nodes].gpuvm_base = pdd->gpuvm_base; +- pa[nodes].gpuvm_limit = pdd->gpuvm_limit; +- pa[nodes].scratch_base = pdd->scratch_base; +- pa[nodes].scratch_limit = pdd->scratch_limit; +- +- dev_dbg(kfd_device, +- "gpu id %u\n", pdd->dev->id); +- dev_dbg(kfd_device, +- "lds_base %llX\n", pdd->lds_base); +- dev_dbg(kfd_device, +- "lds_limit %llX\n", pdd->lds_limit); +- dev_dbg(kfd_device, +- "gpuvm_base %llX\n", pdd->gpuvm_base); +- dev_dbg(kfd_device, +- "gpuvm_limit %llX\n", pdd->gpuvm_limit); +- dev_dbg(kfd_device, +- "scratch_base %llX\n", pdd->scratch_base); +- dev_dbg(kfd_device, +- "scratch_limit %llX\n", pdd->scratch_limit); +- nodes++; +- +- pdd = kfd_get_next_process_device_data(p, pdd); +- } while (pdd && (nodes < args->num_of_nodes)); +- mutex_unlock(&p->mutex); +- +- args->num_of_nodes = nodes; +- ret = copy_to_user( +- (void __user *)args->kfd_process_device_apertures_ptr, +- pa, +- (nodes * sizeof(struct kfd_process_device_apertures))); +- kfree(pa); +- return ret ? -EFAULT : 0; +- +-out_upwrite: +- mutex_unlock(&p->mutex); +- return 0; +-} +- + static int kfd_ioctl_create_event(struct file *filp, struct kfd_process *p, + void *data) + { + struct kfd_ioctl_create_event_args *args = data; +- struct kfd_dev *kfd; +- struct kfd_process_device *pdd; +- int err = -EINVAL; +- void *mem, *kern_addr = NULL; +- +- pr_debug("Event page offset 0x%llx\n", args->event_page_offset); +- +- if (args->event_page_offset) { +- kfd = kfd_device_by_id(GET_GPU_ID(args->event_page_offset)); +- if (!kfd) { +- pr_err("Getting device by id failed in %s\n", __func__); +- return -EFAULT; +- } +- if (!kfd->device_info->is_need_iommu_device) { +- mutex_lock(&p->mutex); +- pdd = kfd_bind_process_to_device(kfd, p); +- if (IS_ERR(pdd)) { +- err = PTR_ERR(pdd); +- goto out_upwrite; +- } +- mem = kfd_process_device_translate_handle(pdd, +- GET_IDR_HANDLE(args->event_page_offset)); +- if (!mem) { +- pr_err("Can't find BO, offset is 0x%llx\n", +- args->event_page_offset); +- err = -EFAULT; +- goto out_upwrite; +- } +- mutex_unlock(&p->mutex); +- +- /* Map dGPU gtt BO to kernel */ +- kfd->kfd2kgd->map_gtt_bo_to_kernel(kfd->kgd, +- mem, &kern_addr); +- } +- } ++ int err; + +- err = kfd_event_create(filp, p, +- args->event_type, +- args->auto_reset != 0, +- args->node_id, +- &args->event_id, +- &args->event_trigger_data, +- &args->event_page_offset, +- &args->event_slot_index, +- kern_addr); ++ err = kfd_event_create(filp, p, args->event_type, ++ args->auto_reset != 0, args->node_id, ++ &args->event_id, &args->event_trigger_data, ++ &args->event_page_offset, ++ &args->event_slot_index); + + return err; +- +-out_upwrite: +- mutex_unlock(&p->mutex); +- return err; + } + + static int kfd_ioctl_destroy_event(struct file *filp, struct kfd_process *p, +@@ -1071,26 +836,26 @@ static int kfd_ioctl_wait_events(struct file *filp, struct kfd_process *p, + void *data) + { + struct kfd_ioctl_wait_events_args *args = data; ++ enum kfd_event_wait_result wait_result; + int err; + + err = kfd_wait_on_events(p, args->num_events, + (void __user *)args->events_ptr, + (args->wait_for_all != 0), +- args->timeout, &args->wait_result); ++ args->timeout, &wait_result); ++ ++ args->wait_result = wait_result; + + return err; + } +-static int kfd_ioctl_alloc_scratch_memory(struct file *filep, ++static int kfd_ioctl_set_scratch_backing_va(struct file *filep, + struct kfd_process *p, void *data) + { +- struct kfd_ioctl_alloc_memory_of_scratch_args *args = data; ++ struct kfd_ioctl_set_scratch_backing_va_args *args = data; + struct kfd_process_device *pdd; + struct kfd_dev *dev; + long err; + +- if (args->size == 0) +- return -EINVAL; +- + dev = kfd_device_by_id(args->gpu_id); + if (!dev) + return -EINVAL; +@@ -1107,521 +872,17 @@ static int kfd_ioctl_alloc_scratch_memory(struct file *filep, + + mutex_unlock(&p->mutex); + +- if (dev->dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS && +- pdd->qpd.vmid != 0) { +- err = dev->kfd2kgd->alloc_memory_of_scratch( ++ if (sched_policy == KFD_SCHED_POLICY_NO_HWS && pdd->qpd.vmid != 0) ++ dev->kfd2kgd->set_scratch_backing_va( + dev->kgd, args->va_addr, pdd->qpd.vmid); +- if (err != 0) +- goto alloc_memory_of_scratch_failed; +- } + + return 0; + + bind_process_to_device_fail: + mutex_unlock(&p->mutex); +-alloc_memory_of_scratch_failed: +- return -EFAULT; +-} +- +-bool kfd_dev_is_large_bar(struct kfd_dev *dev) +-{ +- struct kfd_local_mem_info mem_info; +- +- if (debug_largebar) { +- pr_debug("Simulate large-bar allocation on non large-bar machine\n"); +- return true; +- } +- +- if (dev->device_info->is_need_iommu_device) +- return false; +- +- dev->kfd2kgd->get_local_mem_info(dev->kgd, &mem_info); +- if (mem_info.local_mem_size_private == 0 && +- mem_info.local_mem_size_public > 0) +- return true; +- return false; +-} +- +-static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep, +- struct kfd_process *p, void *data) +-{ +- struct kfd_ioctl_alloc_memory_of_gpu_args *args = data; +- struct kfd_process_device *pdd; +- void *mem; +- struct kfd_dev *dev; +- int idr_handle; +- long err; +- uint64_t offset = args->mmap_offset; +- uint32_t flags = args->flags; +- struct vm_area_struct *vma; +- +- if (args->size == 0) +- return -EINVAL; +- +- dev = kfd_device_by_id(args->gpu_id); +- if (!dev) +- return -EINVAL; +- +- if ((flags & KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC) && +- (flags & KFD_IOC_ALLOC_MEM_FLAGS_VRAM) && +- !kfd_dev_is_large_bar(dev)) { +- pr_err("Alloc host visible vram on small bar is not allowed\n"); +- return -EINVAL; +- } +- +- if (flags & KFD_IOC_ALLOC_MEM_FLAGS_USERPTR) { +- /* Check if the userptr corresponds to another (or third-party) +- * device local memory. If so treat is as a doorbell. User +- * space will be oblivious of this and will use this doorbell +- * BO as a regular userptr BO +- */ +- vma = find_vma(current->mm, args->mmap_offset); +- if (vma && (vma->vm_flags & VM_IO)) { +- unsigned long pfn; +- +- follow_pfn(vma, args->mmap_offset, &pfn); +- flags |= KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL; +- flags &= ~KFD_IOC_ALLOC_MEM_FLAGS_USERPTR; +- offset = (pfn << PAGE_SHIFT); +- } +- } else if (flags & KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL) { +- if (args->size != kfd_doorbell_process_slice(dev)) +- return -EINVAL; +- offset = kfd_get_process_doorbells(dev, p); +- } +- +- mutex_lock(&p->mutex); +- +- pdd = kfd_bind_process_to_device(dev, p); +- if (IS_ERR(pdd)) { +- err = PTR_ERR(pdd); +- goto err_unlock; +- } +- +- err = dev->kfd2kgd->alloc_memory_of_gpu( +- dev->kgd, args->va_addr, args->size, +- pdd->vm, (struct kgd_mem **) &mem, &offset, +- flags); +- +- if (err) +- goto err_unlock; +- +- idr_handle = kfd_process_device_create_obj_handle(pdd, mem, +- args->va_addr, args->size, NULL); +- if (idr_handle < 0) { +- err = -EFAULT; +- goto err_free; +- } +- +- mutex_unlock(&p->mutex); +- +- args->handle = MAKE_HANDLE(args->gpu_id, idr_handle); +- args->mmap_offset = offset; +- +- return 0; +- +-err_free: +- dev->kfd2kgd->free_memory_of_gpu(dev->kgd, +- (struct kgd_mem *) mem, +- pdd->vm); +-err_unlock: +- mutex_unlock(&p->mutex); + return err; + } + +-static int kfd_ioctl_free_memory_of_gpu(struct file *filep, +- struct kfd_process *p, void *data) +-{ +- struct kfd_ioctl_free_memory_of_gpu_args *args = data; +- struct kfd_process_device *pdd; +- struct kfd_bo *buf_obj; +- struct kfd_dev *dev; +- int ret; +- +- dev = kfd_device_by_id(GET_GPU_ID(args->handle)); +- if (!dev) +- return -EINVAL; +- +- mutex_lock(&p->mutex); +- +- pdd = kfd_get_process_device_data(dev, p); +- if (!pdd) { +- pr_err("Process device data doesn't exist\n"); +- ret = -EINVAL; +- goto err_unlock; +- } +- +- buf_obj = kfd_process_device_find_bo(pdd, +- GET_IDR_HANDLE(args->handle)); +- if (!buf_obj) { +- ret = -EINVAL; +- goto err_unlock; +- } +- run_rdma_free_callback(buf_obj); +- +- ret = dev->kfd2kgd->free_memory_of_gpu(dev->kgd, buf_obj->mem, +- pdd->vm); +- +- /* If freeing the buffer failed, leave the handle in place for +- * clean-up during process tear-down. +- */ +- if (ret == 0) +- kfd_process_device_remove_obj_handle( +- pdd, GET_IDR_HANDLE(args->handle)); +- +-err_unlock: +- mutex_unlock(&p->mutex); +- return ret; +-} +- +-static int kfd_ioctl_map_memory_to_gpu(struct file *filep, +- struct kfd_process *p, void *data) +-{ +- struct kfd_ioctl_map_memory_to_gpu_args *args = data; +- struct kfd_process_device *pdd, *peer_pdd; +- void *mem; +- struct kfd_dev *dev, *peer; +- long err = 0; +- int i, num_dev = 0; +- uint32_t *devices_arr = NULL; +- +- dev = kfd_device_by_id(GET_GPU_ID(args->handle)); +- if (!dev) +- return -EINVAL; +- +- if (args->device_ids_array_size == 0) { +- pr_debug("Device ID array size is 0\n"); +- return -EINVAL; +- } +- +- if (args->device_ids_array_size % sizeof(uint32_t)) { +- pr_debug("Node IDs array size %u\n", +- args->device_ids_array_size); +- return -EFAULT; +- } +- +- devices_arr = kmalloc(args->device_ids_array_size, GFP_KERNEL); +- if (!devices_arr) +- return -ENOMEM; +- +- err = copy_from_user(devices_arr, +- (void __user *)args->device_ids_array_ptr, +- args->device_ids_array_size); +- if (err != 0) { +- err = -EFAULT; +- goto copy_from_user_failed; +- } +- +- mutex_lock(&p->mutex); +- +- pdd = kfd_bind_process_to_device(dev, p); +- if (IS_ERR(pdd)) { +- err = PTR_ERR(pdd); +- goto bind_process_to_device_failed; +- } +- +- mem = kfd_process_device_translate_handle(pdd, +- GET_IDR_HANDLE(args->handle)); +- if (!mem) { +- err = -ENOMEM; +- goto get_mem_obj_from_handle_failed; +- } +- +- num_dev = args->device_ids_array_size / sizeof(uint32_t); +- for (i = 0 ; i < num_dev; i++) { +- peer = kfd_device_by_id(devices_arr[i]); +- if (!peer) { +- pr_debug("Getting device by id failed for 0x%x\n", +- devices_arr[i]); +- err = -EFAULT; +- goto get_mem_obj_from_handle_failed; +- } +- +- peer_pdd = kfd_bind_process_to_device(peer, p); +- if (!peer_pdd) { +- err = -EFAULT; +- goto get_mem_obj_from_handle_failed; +- } +- err = peer->kfd2kgd->map_memory_to_gpu( +- peer->kgd, (struct kgd_mem *)mem, peer_pdd->vm); +- if (err != 0) { +- pr_err("Failed to map to gpu %d, num_dev=%d\n", +- i, num_dev); +- goto map_memory_to_gpu_failed; +- } +- } +- +- mutex_unlock(&p->mutex); +- +- err = dev->kfd2kgd->sync_memory(dev->kgd, (struct kgd_mem *) mem, true); +- if (err) { +- pr_debug("Sync memory failed, wait interrupted by user signal\n"); +- goto sync_memory_failed; +- } +- +- /* Flush TLBs after waiting for the page table updates to complete */ +- for (i = 0; i < num_dev; i++) { +- peer = kfd_device_by_id(devices_arr[i]); +- if (WARN_ON_ONCE(!peer)) +- continue; +- kfd_flush_tlb(peer, p); +- } +- +- kfree(devices_arr); +- +- return err; +- +-bind_process_to_device_failed: +-get_mem_obj_from_handle_failed: +-map_memory_to_gpu_failed: +- mutex_unlock(&p->mutex); +-copy_from_user_failed: +-sync_memory_failed: +- kfree(devices_arr); +- +- return err; +-} +- +-int kfd_unmap_memory_from_gpu(void *mem, struct kfd_process_device *pdd) +-{ +- int err; +- struct kfd_dev *dev = pdd->dev; +- +- err = dev->kfd2kgd->unmap_memory_to_gpu( +- dev->kgd, (struct kgd_mem *) mem, pdd->vm); +- +- if (err != 0) +- return err; +- +- kfd_flush_tlb(dev, pdd->process); +- +- return 0; +-} +- +-static int kfd_ioctl_unmap_memory_from_gpu(struct file *filep, +- struct kfd_process *p, void *data) +-{ +- struct kfd_ioctl_unmap_memory_from_gpu_args *args = data; +- struct kfd_process_device *pdd, *peer_pdd; +- void *mem; +- struct kfd_dev *dev, *peer; +- long err = 0; +- uint32_t *devices_arr = NULL, num_dev, i; +- +- dev = kfd_device_by_id(GET_GPU_ID(args->handle)); +- if (!dev) +- return -EINVAL; +- +- if (args->device_ids_array_size == 0) { +- pr_debug("Device ID array size is 0\n"); +- return -EINVAL; +- } +- +- if (args->device_ids_array_size % sizeof(uint32_t)) { +- pr_debug("Node IDs array size %u\n", +- args->device_ids_array_size); +- return -EFAULT; +- } +- +- devices_arr = kmalloc(args->device_ids_array_size, GFP_KERNEL); +- if (!devices_arr) +- return -ENOMEM; +- +- err = copy_from_user(devices_arr, +- (void __user *)args->device_ids_array_ptr, +- args->device_ids_array_size); +- if (err != 0) { +- err = -EFAULT; +- goto copy_from_user_failed; +- } +- +- mutex_lock(&p->mutex); +- +- pdd = kfd_get_process_device_data(dev, p); +- if (!pdd) { +- pr_debug("Process device data doesn't exist\n"); +- err = -ENODEV; +- goto bind_process_to_device_failed; +- } +- +- mem = kfd_process_device_translate_handle(pdd, +- GET_IDR_HANDLE(args->handle)); +- if (!mem) { +- err = -ENOMEM; +- goto get_mem_obj_from_handle_failed; +- } +- +- num_dev = args->device_ids_array_size / sizeof(uint32_t); +- for (i = 0 ; i < num_dev; i++) { +- peer = kfd_device_by_id(devices_arr[i]); +- if (!peer) { +- err = -EFAULT; +- goto get_mem_obj_from_handle_failed; +- } +- +- peer_pdd = kfd_get_process_device_data(peer, p); +- if (!peer_pdd) { +- err = -EFAULT; +- goto get_mem_obj_from_handle_failed; +- } +- kfd_unmap_memory_from_gpu(mem, peer_pdd); +- } +- kfree(devices_arr); +- +- mutex_unlock(&p->mutex); +- +- return 0; +- +-bind_process_to_device_failed: +-get_mem_obj_from_handle_failed: +- mutex_unlock(&p->mutex); +-copy_from_user_failed: +- kfree(devices_arr); +- return err; +-} +- +-static int kfd_ioctl_set_process_dgpu_aperture(struct file *filep, +- struct kfd_process *p, void *data) +-{ +- struct kfd_ioctl_set_process_dgpu_aperture_args *args = data; +- struct kfd_dev *dev; +- struct kfd_process_device *pdd; +- long err; +- +- dev = kfd_device_by_id(args->gpu_id); +- if (!dev) +- return -EINVAL; +- +- mutex_lock(&p->mutex); +- +- pdd = kfd_bind_process_to_device(dev, p); +- if (IS_ERR(pdd)) { +- err = PTR_ERR(pdd); +- goto exit; +- } +- +- err = kfd_set_process_dgpu_aperture(pdd, args->dgpu_base, +- args->dgpu_limit); +- +-exit: +- mutex_unlock(&p->mutex); +- return err; +-} +- +-static int kfd_ioctl_get_dmabuf_info(struct file *filep, +- struct kfd_process *p, void *data) +-{ +- struct kfd_ioctl_get_dmabuf_info_args *args = data; +- struct kfd_dev *dev = NULL; +- struct kgd_dev *dma_buf_kgd; +- void *metadata_buffer = NULL; +- uint32_t flags; +- unsigned int i; +- int r; +- +- /* Find a KFD GPU device that supports the get_dmabuf_info query */ +- for (i = 0; kfd_topology_enum_kfd_devices(i, &dev) == 0; i++) +- if (dev && dev->kfd2kgd->get_dmabuf_info) +- break; +- if (!dev) +- return -EINVAL; +- +- if (args->metadata_ptr) { +- metadata_buffer = kzalloc(args->metadata_size, GFP_KERNEL); +- if (!metadata_buffer) +- return -ENOMEM; +- } +- +- /* Get dmabuf info from KGD */ +- r = dev->kfd2kgd->get_dmabuf_info(dev->kgd, args->dmabuf_fd, +- &dma_buf_kgd, &args->size, +- metadata_buffer, args->metadata_size, +- &args->metadata_size, &flags); +- if (r) +- goto exit; +- +- /* Reverse-lookup gpu_id from kgd pointer */ +- dev = kfd_device_by_kgd(dma_buf_kgd); +- if (!dev) { +- r = -EINVAL; +- goto exit; +- } +- args->gpu_id = dev->id; +- args->flags = flags; +- +- /* Copy metadata buffer to user mode */ +- if (metadata_buffer) { +- r = copy_to_user((void __user *)args->metadata_ptr, +- metadata_buffer, args->metadata_size); +- if (r != 0) +- r = -EFAULT; +- } +- +-exit: +- kfree(metadata_buffer); +- +- return r; +-} +- +-static int kfd_ioctl_import_dmabuf(struct file *filep, +- struct kfd_process *p, void *data) +-{ +- struct kfd_ioctl_import_dmabuf_args *args = data; +- struct kfd_dev *dev; +- int r; +- +- dev = kfd_device_by_id(args->gpu_id); +- if (!dev) +- return -EINVAL; +- +- r = kfd_ipc_import_dmabuf(dev, p, args->gpu_id, args->dmabuf_fd, +- args->va_addr, &args->handle, NULL); +- if (r) +- pr_err("Failed to import dmabuf\n"); +- +- return r; +-} +- +-static int kfd_ioctl_ipc_export_handle(struct file *filep, +- struct kfd_process *p, +- void *data) +-{ +- struct kfd_ioctl_ipc_export_handle_args *args = data; +- struct kfd_dev *dev; +- int r; +- +- dev = kfd_device_by_id(args->gpu_id); +- if (!dev) +- return -EINVAL; +- +- r = kfd_ipc_export_as_handle(dev, p, args->handle, args->share_handle); +- if (r) +- pr_err("Failed to export IPC handle\n"); +- +- return r; +-} +- +-static int kfd_ioctl_ipc_import_handle(struct file *filep, +- struct kfd_process *p, +- void *data) +-{ +- struct kfd_ioctl_ipc_import_handle_args *args = data; +- struct kfd_dev *dev = NULL; +- int r; +- +- dev = kfd_device_by_id(args->gpu_id); +- if (!dev) +- return -EINVAL; +- +- r = kfd_ipc_import_handle(dev, p, args->gpu_id, args->share_handle, +- args->va_addr, &args->handle, +- &args->mmap_offset); +- if (r) +- pr_err("Failed to import IPC handle\n"); +- +- return r; +-} +- + static int kfd_ioctl_get_tile_config(struct file *filep, + struct kfd_process *p, void *data) + { +@@ -1664,283 +925,6 @@ static int kfd_ioctl_get_tile_config(struct file *filep, + return 0; + } + +-#ifndef PTRACE_MODE_ATTACH_REALCREDS +-#define PTRACE_MODE_ATTACH_REALCREDS PTRACE_MODE_ATTACH +-#endif +- +-static int kfd_ioctl_cross_memory_copy(struct file *filep, +- struct kfd_process *local_p, void *data) +-{ +- struct kfd_ioctl_cross_memory_copy_args *args = data; +- struct kfd_memory_range *src_array, *dst_array; +- struct kfd_bo *src_bo, *dst_bo; +- struct kfd_process *remote_p, *src_p, *dst_p; +- struct task_struct *remote_task; +- struct mm_struct *remote_mm; +- struct pid *remote_pid; +- struct dma_fence *fence = NULL, *lfence = NULL; +- uint64_t dst_va_addr; +- uint64_t copied, total_copied = 0; +- uint64_t src_offset, dst_offset, dst_va_addr_end; +- const char *cma_op; +- int i, j = 0, err = 0; +- +- /* Check parameters */ +- if (args->src_mem_range_array == 0 || args->dst_mem_range_array == 0 || +- args->src_mem_array_size == 0 || args->dst_mem_array_size == 0) +- return -EINVAL; +- args->bytes_copied = 0; +- +- /* Allocate space for source and destination arrays */ +- src_array = kmalloc_array((args->src_mem_array_size + +- args->dst_mem_array_size), +- sizeof(struct kfd_memory_range), +- GFP_KERNEL); +- if (!src_array) +- return -ENOMEM; +- dst_array = &src_array[args->src_mem_array_size]; +- +- if (copy_from_user(src_array, (void __user *)args->src_mem_range_array, +- args->src_mem_array_size * +- sizeof(struct kfd_memory_range))) { +- err = -EFAULT; +- goto copy_from_user_fail; +- } +- if (copy_from_user(dst_array, (void __user *)args->dst_mem_range_array, +- args->dst_mem_array_size * +- sizeof(struct kfd_memory_range))) { +- err = -EFAULT; +- goto copy_from_user_fail; +- } +- +- /* Get remote process */ +- remote_pid = find_get_pid(args->pid); +- if (!remote_pid) { +- pr_err("Cross mem copy failed. Invalid PID %d\n", args->pid); +- err = -ESRCH; +- goto copy_from_user_fail; +- } +- +- remote_task = get_pid_task(remote_pid, PIDTYPE_PID); +- if (!remote_pid) { +- pr_err("Cross mem copy failed. Invalid PID or task died %d\n", +- args->pid); +- err = -ESRCH; +- goto get_pid_task_fail; +- } +- +- /* Check access permission */ +- remote_mm = mm_access(remote_task, PTRACE_MODE_ATTACH_REALCREDS); +- if (!remote_mm || IS_ERR(remote_mm)) { +- err = IS_ERR(remote_mm) ? PTR_ERR(remote_mm) : -ESRCH; +- if (err == -EACCES) { +- pr_err("Cross mem copy failed. Permission error\n"); +- err = -EPERM; +- } else +- pr_err("Cross mem copy failed. Invalid task %d\n", +- err); +- goto mm_access_fail; +- } +- +- remote_p = kfd_get_process(remote_task); +- if (!remote_p) { +- pr_err("Cross mem copy failed. Invalid kfd process %d\n", +- args->pid); +- err = -EINVAL; +- goto kfd_process_fail; +- } +- +- if (KFD_IS_CROSS_MEMORY_WRITE(args->flags)) { +- src_p = local_p; +- dst_p = remote_p; +- cma_op = "WRITE"; +- pr_debug("CMA WRITE: local -> remote\n"); +- } else { +- src_p = remote_p; +- dst_p = local_p; +- cma_op = "READ"; +- pr_debug("CMA READ: remote -> local\n"); +- } +- +- +- /* For each source kfd_range: +- * - Find the BO. Each range has to be within the same BO. +- * - Copy this range to single or multiple destination BOs. +- * - dst_va_addr - will point to next va address into which data will +- * be copied. +- * - dst_bo & src_bo - the current destination and source BOs +- * - src_offset & dst_offset - offset into the respective BOs from +- * data will be sourced or copied +- */ +- dst_va_addr = dst_array[0].va_addr; +- dst_va_addr_end = dst_va_addr + dst_array[0].size - 1; +- mutex_lock(&dst_p->mutex); +- dst_bo = kfd_process_find_bo_from_interval(dst_p, +- dst_va_addr, +- dst_va_addr_end); +- mutex_unlock(&dst_p->mutex); +- if (!dst_bo || dst_va_addr_end > dst_bo->it.last) { +- pr_err("CMA %s failed. Invalid dst range\n", cma_op); +- err = -EFAULT; +- goto kfd_process_fail; +- } +- dst_offset = dst_va_addr - dst_bo->it.start; +- +- for (i = 0; i < args->src_mem_array_size; i++) { +- uint64_t src_va_addr_end = src_array[i].va_addr + +- src_array[i].size - 1; +- uint64_t src_size_to_copy = src_array[i].size; +- +- mutex_lock(&src_p->mutex); +- src_bo = kfd_process_find_bo_from_interval(src_p, +- src_array[i].va_addr, +- src_va_addr_end); +- mutex_unlock(&src_p->mutex); +- if (!src_bo || src_va_addr_end > src_bo->it.last) { +- pr_err("CMA %s failed. Invalid src range\n", cma_op); +- err = -EFAULT; +- break; +- } +- +- src_offset = src_array[i].va_addr - src_bo->it.start; +- +- /* Copy src_bo to one or multiple dst_bo(s) based on size and +- * and current copy location. +- */ +- while (j < args->dst_mem_array_size) { +- uint64_t copy_size; +- int64_t space_left; +- +- /* Find the current copy_size. This will be smaller of +- * the following +- * - space left in the current dest memory range +- * - data left to copy from source range +- */ +- space_left = (dst_array[j].va_addr + dst_array[j].size) +- - dst_va_addr; +- copy_size = (src_size_to_copy < space_left) ? +- src_size_to_copy : space_left; +- +- /* Check both BOs belong to same device */ +- if (src_bo->dev->kgd != dst_bo->dev->kgd) { +- pr_err("CMA %s fail. Not same dev\n", cma_op); +- err = -EINVAL; +- break; +- } +- +- /* Store prev fence. Release it when a later fence is +- * created +- */ +- lfence = fence; +- fence = NULL; +- +- err = dst_bo->dev->kfd2kgd->copy_mem_to_mem( +- src_bo->dev->kgd, +- src_bo->mem, src_offset, +- dst_bo->mem, dst_offset, +- copy_size, +- &fence, &copied); +- +- if (err) { +- pr_err("GPU CMA %s failed\n", cma_op); +- err = -EFAULT; +- break; +- } +- +- /* Later fence available. Release old fence */ +- if (fence && lfence) { +- dma_fence_put(lfence); +- lfence = NULL; +- } +- +- total_copied += copied; +- src_size_to_copy -= copied; +- space_left -= copied; +- dst_va_addr += copied; +- dst_offset += copied; +- src_offset += copied; +- if (dst_va_addr > dst_bo->it.last + 1) { +- pr_err("CMA %s fail. Mem overflow\n", cma_op); +- err = -EFAULT; +- break; +- } +- +- /* If the cur dest range is full move to next one */ +- if (space_left <= 0) { +- if (++j >= args->dst_mem_array_size) +- break; +- +- dst_va_addr = dst_array[j].va_addr; +- dst_va_addr_end = dst_va_addr + +- dst_array[j].size - 1; +- dst_bo = kfd_process_find_bo_from_interval( +- dst_p, +- dst_va_addr, +- dst_va_addr_end); +- if (!dst_bo || +- dst_va_addr_end > dst_bo->it.last) { +- pr_err("CMA %s failed. Invalid dst range\n", +- cma_op); +- err = -EFAULT; +- break; +- } +- dst_offset = dst_va_addr - dst_bo->it.start; +- } +- +- /* If the cur src range is done, move to next one */ +- if (src_size_to_copy <= 0) +- break; +- } +- if (err) +- break; +- } +- +- /* Wait for the last fence irrespective of error condition */ +- if (fence) { +- if (dma_fence_wait_timeout(fence, false, msecs_to_jiffies(1000)) +- < 0) +- pr_err("CMA %s failed. BO timed out\n", cma_op); +- dma_fence_put(fence); +- } else if (lfence) { +- pr_debug("GPU copy fail. But wait for prev DMA to finish\n"); +- dma_fence_wait_timeout(lfence, true, msecs_to_jiffies(1000)); +- dma_fence_put(lfence); +- } +- +-kfd_process_fail: +- mmput(remote_mm); +-mm_access_fail: +- put_task_struct(remote_task); +-get_pid_task_fail: +- put_pid(remote_pid); +-copy_from_user_fail: +- kfree(src_array); +- +- /* An error could happen after partial copy. In that case this will +- * reflect partial amount of bytes copied +- */ +- args->bytes_copied = total_copied; +- return err; +-} +- +-static int kfd_ioctl_get_queue_wave_state(struct file *filep, +- struct kfd_process *p, void *data) +-{ +- struct kfd_ioctl_get_queue_wave_state_args *args = data; +- int r; +- +- mutex_lock(&p->mutex); +- +- r = pqm_get_wave_state(&p->pqm, args->queue_id, +- (void __user *)args->ctl_stack_address, +- &args->ctl_stack_used_size, +- &args->save_area_used_size); +- +- mutex_unlock(&p->mutex); +- +- return r; +-} +- + #define AMDKFD_IOCTL_DEF(ioctl, _func, _flags) \ + [_IOC_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags, \ + .cmd_drv = 0, .name = #ioctl} +@@ -1995,54 +979,11 @@ static const struct amdkfd_ioctl_desc amdkfd_ioctls[] = { + AMDKFD_IOCTL_DEF(AMDKFD_IOC_DBG_WAVE_CONTROL, + kfd_ioctl_dbg_wave_control, 0), + +- AMDKFD_IOCTL_DEF(AMDKFD_IOC_ALLOC_MEMORY_OF_GPU, +- kfd_ioctl_alloc_memory_of_gpu, 0), +- +- AMDKFD_IOCTL_DEF(AMDKFD_IOC_FREE_MEMORY_OF_GPU, +- kfd_ioctl_free_memory_of_gpu, 0), +- +- AMDKFD_IOCTL_DEF(AMDKFD_IOC_MAP_MEMORY_TO_GPU, +- kfd_ioctl_map_memory_to_gpu, 0), +- +- AMDKFD_IOCTL_DEF(AMDKFD_IOC_UNMAP_MEMORY_FROM_GPU, +- kfd_ioctl_unmap_memory_from_gpu, 0), +- +- AMDKFD_IOCTL_DEF(AMDKFD_IOC_ALLOC_MEMORY_OF_SCRATCH, +- kfd_ioctl_alloc_scratch_memory, 0), +- +- AMDKFD_IOCTL_DEF(AMDKFD_IOC_SET_CU_MASK, +- kfd_ioctl_set_cu_mask, 0), +- +- AMDKFD_IOCTL_DEF(AMDKFD_IOC_SET_PROCESS_DGPU_APERTURE, +- kfd_ioctl_set_process_dgpu_aperture, 0), +- +- AMDKFD_IOCTL_DEF(AMDKFD_IOC_SET_TRAP_HANDLER, +- kfd_ioctl_set_trap_handler, 0), +- +- AMDKFD_IOCTL_DEF(AMDKFD_IOC_GET_PROCESS_APERTURES_NEW, +- kfd_ioctl_get_process_apertures_new, 0), +- +- AMDKFD_IOCTL_DEF(AMDKFD_IOC_GET_DMABUF_INFO, +- kfd_ioctl_get_dmabuf_info, 0), +- +- AMDKFD_IOCTL_DEF(AMDKFD_IOC_IMPORT_DMABUF, +- kfd_ioctl_import_dmabuf, 0), ++ AMDKFD_IOCTL_DEF(AMDKFD_IOC_SET_SCRATCH_BACKING_VA, ++ kfd_ioctl_set_scratch_backing_va, 0), + + AMDKFD_IOCTL_DEF(AMDKFD_IOC_GET_TILE_CONFIG, +- kfd_ioctl_get_tile_config, 0), +- +- AMDKFD_IOCTL_DEF(AMDKFD_IOC_IPC_IMPORT_HANDLE, +- kfd_ioctl_ipc_import_handle, 0), +- +- AMDKFD_IOCTL_DEF(AMDKFD_IOC_IPC_EXPORT_HANDLE, +- kfd_ioctl_ipc_export_handle, 0), +- +- AMDKFD_IOCTL_DEF(AMDKFD_IOC_CROSS_MEMORY_COPY, +- kfd_ioctl_cross_memory_copy, 0), +- +- AMDKFD_IOCTL_DEF(AMDKFD_IOC_GET_QUEUE_WAVE_STATE, +- kfd_ioctl_get_queue_wave_state, 0) +- ++ kfd_ioctl_get_tile_config, 0) + }; + + #define AMDKFD_CORE_IOCTL_COUNT ARRAY_SIZE(amdkfd_ioctls) +@@ -2138,34 +1079,19 @@ static long kfd_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) + static int kfd_mmap(struct file *filp, struct vm_area_struct *vma) + { + struct kfd_process *process; +- struct kfd_dev *kfd; +- unsigned long vm_pgoff; +- unsigned long long mmap_type; + + process = kfd_get_process(current); + if (IS_ERR(process)) + return PTR_ERR(process); + +- vm_pgoff = vma->vm_pgoff; +- vma->vm_pgoff = KFD_MMAP_OFFSET_VALUE_GET(vma->vm_pgoff); +- mmap_type = vm_pgoff & KFD_MMAP_TYPE_MASK; +- +- switch (mmap_type) { +- case KFD_MMAP_TYPE_DOORBELL: +- kfd = kfd_device_by_id(KFD_MMAP_GPU_ID_GET(vm_pgoff)); +- if (!kfd) +- return -EFAULT; +- return kfd_doorbell_mmap(kfd, process, vma); +- +- case KFD_MMAP_TYPE_EVENTS: ++ if ((vma->vm_pgoff & KFD_MMAP_DOORBELL_MASK) == ++ KFD_MMAP_DOORBELL_MASK) { ++ vma->vm_pgoff = vma->vm_pgoff ^ KFD_MMAP_DOORBELL_MASK; ++ return kfd_doorbell_mmap(process, vma); ++ } else if ((vma->vm_pgoff & KFD_MMAP_EVENTS_MASK) == ++ KFD_MMAP_EVENTS_MASK) { ++ vma->vm_pgoff = vma->vm_pgoff ^ KFD_MMAP_EVENTS_MASK; + return kfd_event_mmap(process, vma); +- +- case KFD_MMAP_TYPE_RESERVED_MEM: +- return kfd_reserved_mem_mmap(process, vma); +- +- default: +- pr_err("Unsupported kfd mmap type %llx\n", mmap_type); +- break; + } + + return -EFAULT; +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c +deleted file mode 100644 +index 71525cf..0000000 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c ++++ /dev/null +@@ -1,1339 +0,0 @@ +-#include <linux/kernel.h> +-#include <linux/acpi.h> +-#include <linux/mm.h> +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) +-#include <linux/amd-iommu.h> +-#endif +-#include <linux/pci.h> +-#include "kfd_crat.h" +-#include "kfd_priv.h" +-#include "kfd_topology.h" +- +-/* GPU Processor ID base for dGPUs for which VCRAT needs to be created. +- * GPU processor ID are expressed with Bit[31]=1. +- * The base is set to 0x8000_0000 + 0x1000 to avoid collision with GPU IDs +- * used in the CRAT. +- */ +-static uint32_t gpu_processor_id_low = 0x80001000; +- +-/* Return the next available gpu_processor_id and increment it for next GPU +- * @total_cu_count - Total CUs present in the GPU including ones +- * masked off +- */ +-static inline unsigned int get_and_inc_gpu_processor_id( +- unsigned int total_cu_count) +-{ +- int current_id = gpu_processor_id_low; +- +- gpu_processor_id_low += total_cu_count; +- return current_id; +-} +- +-/* Static table to describe GPU Cache information */ +-struct kfd_gpu_cache_info { +- uint32_t cache_size; +- uint32_t cache_level; +- uint32_t flags; +- /* Indicates how many Compute Units share this cache +- * Value = 1 indicates the cache is not shared +- */ +- uint32_t num_cu_shared; +-}; +- +-static struct kfd_gpu_cache_info kaveri_cache_info[] = { +- { +- /* TCP L1 Cache per CU */ +- .cache_size = 16, +- .cache_level = 1, +- .flags = (CRAT_CACHE_FLAGS_ENABLED | +- CRAT_CACHE_FLAGS_DATA_CACHE | +- CRAT_CACHE_FLAGS_SIMD_CACHE), +- .num_cu_shared = 1, +- +- }, +- { +- /* Scalar L1 Instruction Cache (in SQC module) per bank */ +- .cache_size = 16, +- .cache_level = 1, +- .flags = (CRAT_CACHE_FLAGS_ENABLED | +- CRAT_CACHE_FLAGS_INST_CACHE | +- CRAT_CACHE_FLAGS_SIMD_CACHE), +- .num_cu_shared = 2, +- }, +- { +- /* Scalar L1 Data Cache (in SQC module) per bank */ +- .cache_size = 8, +- .cache_level = 1, +- .flags = (CRAT_CACHE_FLAGS_ENABLED | +- CRAT_CACHE_FLAGS_DATA_CACHE | +- CRAT_CACHE_FLAGS_SIMD_CACHE), +- .num_cu_shared = 2, +- }, +- +- /* TODO: Add L2 Cache information */ +-}; +- +- +-static struct kfd_gpu_cache_info carrizo_cache_info[] = { +- { +- /* TCP L1 Cache per CU */ +- .cache_size = 16, +- .cache_level = 1, +- .flags = (CRAT_CACHE_FLAGS_ENABLED | +- CRAT_CACHE_FLAGS_DATA_CACHE | +- CRAT_CACHE_FLAGS_SIMD_CACHE), +- .num_cu_shared = 1, +- }, +- { +- /* Scalar L1 Instruction Cache (in SQC module) per bank */ +- .cache_size = 8, +- .cache_level = 1, +- .flags = (CRAT_CACHE_FLAGS_ENABLED | +- CRAT_CACHE_FLAGS_INST_CACHE | +- CRAT_CACHE_FLAGS_SIMD_CACHE), +- .num_cu_shared = 4, +- }, +- { +- /* Scalar L1 Data Cache (in SQC module) per bank. */ +- .cache_size = 4, +- .cache_level = 1, +- .flags = (CRAT_CACHE_FLAGS_ENABLED | +- CRAT_CACHE_FLAGS_DATA_CACHE | +- CRAT_CACHE_FLAGS_SIMD_CACHE), +- .num_cu_shared = 4, +- }, +- +- /* TODO: Add L2 Cache information */ +-}; +- +-/* NOTE: In future if more information is added to struct kfd_gpu_cache_info +- * the following ASICs may need a separate table. +- */ +-#define hawaii_cache_info kaveri_cache_info +-#define tonga_cache_info carrizo_cache_info +-#define fiji_cache_info carrizo_cache_info +-#define polaris10_cache_info carrizo_cache_info +-#define polaris11_cache_info carrizo_cache_info +-/* TODO - check & update Vega10 cache details */ +-#define vega10_cache_info carrizo_cache_info +-#define raven_cache_info carrizo_cache_info +- +-static void kfd_populated_cu_info_cpu(struct kfd_topology_device *dev, +- struct crat_subtype_computeunit *cu) +-{ +- dev->node_props.cpu_cores_count = cu->num_cpu_cores; +- dev->node_props.cpu_core_id_base = cu->processor_id_low; +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) +- if (cu->hsa_capability & CRAT_CU_FLAGS_IOMMU_PRESENT) +- dev->node_props.capability |= HSA_CAP_ATS_PRESENT; +-#endif +- +- pr_debug("CU CPU: cores=%d id_base=%d\n", cu->num_cpu_cores, +- cu->processor_id_low); +-} +- +-static void kfd_populated_cu_info_gpu(struct kfd_topology_device *dev, +- struct crat_subtype_computeunit *cu) +-{ +- dev->node_props.simd_id_base = cu->processor_id_low; +- dev->node_props.simd_count = cu->num_simd_cores; +- dev->node_props.lds_size_in_kb = cu->lds_size_in_kb; +- dev->node_props.max_waves_per_simd = cu->max_waves_simd; +- dev->node_props.wave_front_size = cu->wave_front_size; +- dev->node_props.array_count = cu->array_count; +- dev->node_props.cu_per_simd_array = cu->num_cu_per_array; +- dev->node_props.simd_per_cu = cu->num_simd_per_cu; +- dev->node_props.max_slots_scratch_cu = cu->max_slots_scatch_cu; +- if (cu->hsa_capability & CRAT_CU_FLAGS_HOT_PLUGGABLE) +- dev->node_props.capability |= HSA_CAP_HOT_PLUGGABLE; +- pr_debug("CU GPU: id_base=%d\n", cu->processor_id_low); +-} +- +-/* kfd_parse_subtype_cu - parse compute unit subtypes and attach it to correct +- * topology device present in the device_list +- */ +-static int kfd_parse_subtype_cu(struct crat_subtype_computeunit *cu, +- struct list_head *device_list) +-{ +- struct kfd_topology_device *dev; +- +- pr_debug("Found CU entry in CRAT table with proximity_domain=%d caps=%x\n", +- cu->proximity_domain, cu->hsa_capability); +- list_for_each_entry(dev, device_list, list) { +- if (cu->proximity_domain == dev->proximity_domain) { +- if (cu->flags & CRAT_CU_FLAGS_CPU_PRESENT) +- kfd_populated_cu_info_cpu(dev, cu); +- +- if (cu->flags & CRAT_CU_FLAGS_GPU_PRESENT) +- kfd_populated_cu_info_gpu(dev, cu); +- break; +- } +- } +- +- return 0; +-} +- +-static struct kfd_mem_properties * +-find_subtype_mem(uint32_t heap_type, uint32_t flags, uint32_t width, +- struct kfd_topology_device *dev) +-{ +- struct kfd_mem_properties *props; +- +- list_for_each_entry(props, &dev->mem_props, list) { +- if (props->heap_type == heap_type +- && props->flags == flags +- && props->width == width) +- return props; +- } +- +- return NULL; +-} +-/* kfd_parse_subtype_mem - parse memory subtypes and attach it to correct +- * topology device present in the device_list +- */ +-static int kfd_parse_subtype_mem(struct crat_subtype_memory *mem, +- struct list_head *device_list) +-{ +- struct kfd_mem_properties *props; +- struct kfd_topology_device *dev; +- uint32_t heap_type; +- uint64_t size_in_bytes; +- uint32_t flags = 0; +- uint32_t width; +- +- pr_debug("Found memory entry in CRAT table with proximity_domain=%d\n", +- mem->proximity_domain); +- list_for_each_entry(dev, device_list, list) { +- if (mem->proximity_domain == dev->proximity_domain) { +- /* We're on GPU node */ +- if (dev->node_props.cpu_cores_count == 0) { +- /* APU */ +- if (mem->visibility_type == 0) +- heap_type = +- HSA_MEM_HEAP_TYPE_FB_PRIVATE; +- /* dGPU */ +- else +- heap_type = mem->visibility_type; +- } else +- heap_type = HSA_MEM_HEAP_TYPE_SYSTEM; +- +- if (mem->flags & CRAT_MEM_FLAGS_HOT_PLUGGABLE) +- flags |= HSA_MEM_FLAGS_HOT_PLUGGABLE; +- if (mem->flags & CRAT_MEM_FLAGS_NON_VOLATILE) +- flags |= HSA_MEM_FLAGS_NON_VOLATILE; +- +- size_in_bytes = +- ((uint64_t)mem->length_high << 32) + +- mem->length_low; +- width = mem->width; +- +- /* Multiple banks of the same type are aggregated into +- * one. User mode doesn't care about multiple physical +- * memory segments. It's managed as a single virtual +- * heap for user mode. +- */ +- props = find_subtype_mem(heap_type, flags, width, dev); +- if (props) { +- props->size_in_bytes += size_in_bytes; +- break; +- } +- +- props = kfd_alloc_struct(props); +- if (!props) +- return -ENOMEM; +- +- props->heap_type = heap_type; +- props->flags = flags; +- props->size_in_bytes = size_in_bytes; +- props->width = width; +- +- dev->node_props.mem_banks_count++; +- list_add_tail(&props->list, &dev->mem_props); +- +- break; +- } +- } +- +- return 0; +-} +- +-/* kfd_parse_subtype_cache - parse cache subtypes and attach it to correct +- * topology device present in the device_list +- */ +-static int kfd_parse_subtype_cache(struct crat_subtype_cache *cache, +- struct list_head *device_list) +-{ +- struct kfd_cache_properties *props; +- struct kfd_topology_device *dev; +- uint32_t id; +- uint32_t total_num_of_cu; +- +- id = cache->processor_id_low; +- +- list_for_each_entry(dev, device_list, list) { +- total_num_of_cu = (dev->node_props.array_count * +- dev->node_props.cu_per_simd_array); +- +- /* Cache infomration in CRAT doesn't have proximity_domain +- * information as it is associated with a CPU core or GPU +- * Compute Unit. So map the cache using CPU core Id or SIMD +- * (GPU) ID. +- * TODO: This works because currently we can safely assume that +- * Compute Units are parsed before caches are parsed. In +- * future, remove this dependency +- */ +- if ((id >= dev->node_props.cpu_core_id_base && +- id <= dev->node_props.cpu_core_id_base + +- dev->node_props.cpu_cores_count) || +- (id >= dev->node_props.simd_id_base && +- id < dev->node_props.simd_id_base + +- total_num_of_cu)) { +- props = kfd_alloc_struct(props); +- if (!props) +- return -ENOMEM; +- +- props->processor_id_low = id; +- props->cache_level = cache->cache_level; +- props->cache_size = cache->cache_size; +- props->cacheline_size = cache->cache_line_size; +- props->cachelines_per_tag = cache->lines_per_tag; +- props->cache_assoc = cache->associativity; +- props->cache_latency = cache->cache_latency; +- memcpy(props->sibling_map, cache->sibling_map, +- sizeof(props->sibling_map)); +- +- if (cache->flags & CRAT_CACHE_FLAGS_DATA_CACHE) +- props->cache_type |= HSA_CACHE_TYPE_DATA; +- if (cache->flags & CRAT_CACHE_FLAGS_INST_CACHE) +- props->cache_type |= HSA_CACHE_TYPE_INSTRUCTION; +- if (cache->flags & CRAT_CACHE_FLAGS_CPU_CACHE) +- props->cache_type |= HSA_CACHE_TYPE_CPU; +- if (cache->flags & CRAT_CACHE_FLAGS_SIMD_CACHE) +- props->cache_type |= HSA_CACHE_TYPE_HSACU; +- +- dev->cache_count++; +- dev->node_props.caches_count++; +- list_add_tail(&props->list, &dev->cache_props); +- +- break; +- } +- } +- +- return 0; +-} +- +-/* kfd_parse_subtype_iolink - parse iolink subtypes and attach it to correct +- * topology device present in the device_list +- */ +-static int kfd_parse_subtype_iolink(struct crat_subtype_iolink *iolink, +- struct list_head *device_list) +-{ +- struct kfd_iolink_properties *props = NULL, *props2; +- struct kfd_topology_device *dev, *cpu_dev; +- uint32_t id_from; +- uint32_t id_to; +- +- id_from = iolink->proximity_domain_from; +- id_to = iolink->proximity_domain_to; +- +- pr_debug("Found IO link entry in CRAT table with id_from=%d\n", +- id_from); +- list_for_each_entry(dev, device_list, list) { +- if (id_from == dev->proximity_domain) { +- props = kfd_alloc_struct(props); +- if (!props) +- return -ENOMEM; +- +- props->node_from = id_from; +- props->node_to = id_to; +- props->ver_maj = iolink->version_major; +- props->ver_min = iolink->version_minor; +- props->iolink_type = iolink->io_interface_type; +- +- if (props->iolink_type == CRAT_IOLINK_TYPE_PCIEXPRESS) +- props->weight = 20; +- else +- props->weight = node_distance(id_from, id_to); +- +- props->min_latency = iolink->minimum_latency; +- props->max_latency = iolink->maximum_latency; +- props->min_bandwidth = iolink->minimum_bandwidth_mbs; +- props->max_bandwidth = iolink->maximum_bandwidth_mbs; +- props->rec_transfer_size = +- iolink->recommended_transfer_size; +- +- dev->io_link_count++; +- dev->node_props.io_links_count++; +- list_add_tail(&props->list, &dev->io_link_props); +- break; +- } +- } +- +- /* CPU topology is created before GPUs are detected, so CPU->GPU +- * links are not built at that time. If a PCIe type is discovered, it +- * means a GPU is detected and we are adding GPU->CPU to the topology. +- * At this time, also add the corresponded CPU->GPU link. +- */ +- if (props && props->iolink_type == CRAT_IOLINK_TYPE_PCIEXPRESS) { +- cpu_dev = kfd_topology_device_by_proximity_domain(id_to); +- if (!cpu_dev) +- return -ENODEV; +- /* same everything but the other direction */ +- props2 = kmemdup(props, sizeof(*props2), GFP_KERNEL); +- props2->node_from = id_to; +- props2->node_to = id_from; +- props2->kobj = NULL; +- cpu_dev->io_link_count++; +- cpu_dev->node_props.io_links_count++; +- list_add_tail(&props2->list, &cpu_dev->io_link_props); +- } +- +- return 0; +-} +- +-/* kfd_parse_subtype - parse subtypes and attach it to correct topology device +- * present in the device_list +- * @sub_type_hdr - subtype section of crat_image +- * @device_list - list of topology devices present in this crat_image +- */ +-static int kfd_parse_subtype(struct crat_subtype_generic *sub_type_hdr, +- struct list_head *device_list) +-{ +- struct crat_subtype_computeunit *cu; +- struct crat_subtype_memory *mem; +- struct crat_subtype_cache *cache; +- struct crat_subtype_iolink *iolink; +- int ret = 0; +- +- switch (sub_type_hdr->type) { +- case CRAT_SUBTYPE_COMPUTEUNIT_AFFINITY: +- cu = (struct crat_subtype_computeunit *)sub_type_hdr; +- ret = kfd_parse_subtype_cu(cu, device_list); +- break; +- case CRAT_SUBTYPE_MEMORY_AFFINITY: +- mem = (struct crat_subtype_memory *)sub_type_hdr; +- ret = kfd_parse_subtype_mem(mem, device_list); +- break; +- case CRAT_SUBTYPE_CACHE_AFFINITY: +- cache = (struct crat_subtype_cache *)sub_type_hdr; +- ret = kfd_parse_subtype_cache(cache, device_list); +- break; +- case CRAT_SUBTYPE_TLB_AFFINITY: +- /* For now, nothing to do here */ +- pr_debug("Found TLB entry in CRAT table (not processing)\n"); +- break; +- case CRAT_SUBTYPE_CCOMPUTE_AFFINITY: +- /* For now, nothing to do here */ +- pr_debug("Found CCOMPUTE entry in CRAT table (not processing)\n"); +- break; +- case CRAT_SUBTYPE_IOLINK_AFFINITY: +- iolink = (struct crat_subtype_iolink *)sub_type_hdr; +- ret = kfd_parse_subtype_iolink(iolink, device_list); +- break; +- default: +- pr_warn("Unknown subtype %d in CRAT\n", +- sub_type_hdr->type); +- } +- +- return ret; +-} +- +-/* kfd_parse_crat_table - parse CRAT table. For each node present in CRAT +- * create a kfd_topology_device and add in to device_list. Also parse +- * CRAT subtypes and attach it to appropriate kfd_topology_device +- * @crat_image - input image containing CRAT +- * @device_list - [OUT] list of kfd_topology_device generated after +- * parsing crat_image +- * @proximity_domain - Proximity domain of the first device in the table +- * +- * Return - 0 if successful else -ve value +- */ +-int kfd_parse_crat_table(void *crat_image, +- struct list_head *device_list, +- uint32_t proximity_domain) +-{ +- struct kfd_topology_device *top_dev = NULL; +- struct crat_subtype_generic *sub_type_hdr; +- uint16_t node_id; +- int ret = 0; +- struct crat_header *crat_table = (struct crat_header *)crat_image; +- uint16_t num_nodes; +- uint32_t image_len; +- uint32_t last_header_type, last_header_length; +- +- if (!crat_image) +- return -EINVAL; +- +- if (!list_empty(device_list)) { +- pr_warn("Error device list should be empty\n"); +- return -EINVAL; +- } +- +- num_nodes = crat_table->num_domains; +- image_len = crat_table->length; +- +- pr_info("Parsing CRAT table with %d nodes\n", num_nodes); +- +- for (node_id = 0; node_id < num_nodes; node_id++) { +- top_dev = kfd_create_topology_device(device_list); +- if (!top_dev) +- break; +- top_dev->proximity_domain = proximity_domain++; +- } +- +- if (!top_dev) { +- ret = -ENOMEM; +- goto err; +- } +- +- memcpy(top_dev->oem_id, crat_table->oem_id, CRAT_OEMID_LENGTH); +- memcpy(top_dev->oem_table_id, crat_table->oem_table_id, +- CRAT_OEMTABLEID_LENGTH); +- top_dev->oem_revision = crat_table->oem_revision; +- +- last_header_type = last_header_length = 0; +- sub_type_hdr = (struct crat_subtype_generic *)(crat_table+1); +- while ((char *)sub_type_hdr + sizeof(struct crat_subtype_generic) < +- ((char *)crat_image) + image_len) { +- pr_debug("Parsing CRAT subtype header %p enabled: %s type: 0x%x length %d\n", +- sub_type_hdr, +- (sub_type_hdr->flags & +- CRAT_SUBTYPE_FLAGS_ENABLED) +- ? "true" : "false", +- sub_type_hdr->type, +- sub_type_hdr->length); +- +- if (sub_type_hdr->length == 0) { +- pr_err("Parsing wrong CRAT's subtype header last header type: %d last header len %d\n", +- last_header_type, last_header_type); +- pr_err("Current header type %d length %d\n", +- sub_type_hdr->type, sub_type_hdr->length); +- break; +- } +- +- if (sub_type_hdr->flags & CRAT_SUBTYPE_FLAGS_ENABLED) { +- ret = kfd_parse_subtype(sub_type_hdr, device_list); +- if (ret != 0) +- break; +- } +- +- last_header_type = sub_type_hdr->type; +- last_header_length = sub_type_hdr->length; +- sub_type_hdr = (typeof(sub_type_hdr))((char *)sub_type_hdr + +- sub_type_hdr->length); +- } +- +-err: +- if (ret) +- kfd_release_topology_device_list(device_list); +- +- return ret; +-} +- +-/* Helper function. See kfd_fill_gpu_cache_info for parameter description */ +-static int fill_in_pcache(struct crat_subtype_cache *pcache, +- struct kfd_gpu_cache_info *pcache_info, +- struct kfd_cu_info *cu_info, +- int mem_available, +- int cu_bitmask, +- int cache_type, unsigned int cu_processor_id, +- int cu_block) +-{ +- unsigned int cu_sibling_map_mask; +- int first_active_cu; +- +- /* First check if enough memory is available */ +- if (sizeof(struct crat_subtype_cache) > mem_available) +- return -ENOMEM; +- +- cu_sibling_map_mask = cu_bitmask; +- cu_sibling_map_mask >>= cu_block; +- cu_sibling_map_mask &= +- ((1 << pcache_info[cache_type].num_cu_shared) - 1); +- first_active_cu = ffs(cu_sibling_map_mask); +- +- /* CU could be inactive. In case of shared cache find the first active +- * CU. and incase of non-shared cache check if the CU is inactive. If +- * inactive active skip it +- */ +- if (first_active_cu) { +- memset(pcache, 0, sizeof(struct crat_subtype_cache)); +- pcache->type = CRAT_SUBTYPE_CACHE_AFFINITY; +- pcache->length = sizeof(struct crat_subtype_cache); +- pcache->flags = pcache_info[cache_type].flags; +- pcache->processor_id_low = cu_processor_id +- + (first_active_cu - 1); +- pcache->cache_level = pcache_info[cache_type].cache_level; +- pcache->cache_size = pcache_info[cache_type].cache_size; +- +- /* Sibling map is w.r.t processor_id_low, so shift out +- * inactive CU +- */ +- cu_sibling_map_mask = +- cu_sibling_map_mask >> (first_active_cu - 1); +- +- pcache->sibling_map[0] = (uint8_t)(cu_sibling_map_mask & 0xFF); +- pcache->sibling_map[1] = +- (uint8_t)((cu_sibling_map_mask >> 8) & 0xFF); +- pcache->sibling_map[2] = +- (uint8_t)((cu_sibling_map_mask >> 16) & 0xFF); +- pcache->sibling_map[3] = +- (uint8_t)((cu_sibling_map_mask >> 24) & 0xFF); +- return 0; +- } +- return 1; +-} +- +-/* kfd_fill_gpu_cache_info - Fill GPU cache info using kfd_gpu_cache_info +- * tables +- * +- * @kdev - [IN] GPU device +- * @gpu_processor_id - [IN] GPU processor ID to which these caches +- * associate +- * @available_size - [IN] Amount of memory available in pcache +- * @cu_info - [IN] Compute Unit info obtained from KGD +- * @pcache - [OUT] memory into which cache data is to be filled in. +- * @size_filled - [OUT] amount of data used up in pcache. +- * @num_of_entries - [OUT] number of caches added +- */ +-static int kfd_fill_gpu_cache_info(struct kfd_dev *kdev, +- int gpu_processor_id, +- int available_size, +- struct kfd_cu_info *cu_info, +- struct crat_subtype_cache *pcache, +- int *size_filled, +- int *num_of_entries) +-{ +- struct kfd_gpu_cache_info *pcache_info; +- int num_of_cache_types = 0; +- int i, j, k; +- int ct = 0; +- int mem_available = available_size; +- unsigned int cu_processor_id; +- int ret; +- +- switch (kdev->device_info->asic_family) { +- case CHIP_KAVERI: +- pcache_info = kaveri_cache_info; +- num_of_cache_types = ARRAY_SIZE(kaveri_cache_info); +- break; +- case CHIP_HAWAII: +- pcache_info = hawaii_cache_info; +- num_of_cache_types = ARRAY_SIZE(hawaii_cache_info); +- break; +- case CHIP_CARRIZO: +- pcache_info = carrizo_cache_info; +- num_of_cache_types = ARRAY_SIZE(carrizo_cache_info); +- break; +- case CHIP_TONGA: +- pcache_info = tonga_cache_info; +- num_of_cache_types = ARRAY_SIZE(tonga_cache_info); +- break; +- case CHIP_FIJI: +- pcache_info = fiji_cache_info; +- num_of_cache_types = ARRAY_SIZE(fiji_cache_info); +- break; +- case CHIP_POLARIS10: +- pcache_info = polaris10_cache_info; +- num_of_cache_types = ARRAY_SIZE(polaris10_cache_info); +- break; +- case CHIP_POLARIS11: +- pcache_info = polaris11_cache_info; +- num_of_cache_types = ARRAY_SIZE(polaris11_cache_info); +- break; +- case CHIP_VEGA10: +- pcache_info = vega10_cache_info; +- num_of_cache_types = ARRAY_SIZE(vega10_cache_info); +- break; +- case CHIP_RAVEN: +- pcache_info = raven_cache_info; +- num_of_cache_types = ARRAY_SIZE(raven_cache_info); +- break; +- default: +- return -EINVAL; +- } +- +- *size_filled = 0; +- *num_of_entries = 0; +- +- /* For each type of cache listed in the kfd_gpu_cache_info table, +- * go through all available Compute Units. +- * The [i,j,k] loop will +- * if kfd_gpu_cache_info.num_cu_shared = 1 +- * will parse through all available CU +- * If (kfd_gpu_cache_info.num_cu_shared != 1) +- * then it will consider only one CU from +- * the shared unit +- */ +- +- for (ct = 0; ct < num_of_cache_types; ct++) { +- cu_processor_id = gpu_processor_id; +- for (i = 0; i < cu_info->num_shader_engines; i++) { +- for (j = 0; j < cu_info->num_shader_arrays_per_engine; +- j++) { +- for (k = 0; k < cu_info->num_cu_per_sh; +- k += pcache_info[ct].num_cu_shared) { +- +- ret = fill_in_pcache(pcache, +- pcache_info, +- cu_info, +- mem_available, +- cu_info->cu_bitmap[i][j], +- ct, +- cu_processor_id, +- k); +- +- if (ret < 0) +- break; +- +- if (!ret) { +- pcache++; +- (*num_of_entries)++; +- mem_available -= +- sizeof(*pcache); +- (*size_filled) += +- sizeof(*pcache); +- } +- +- /* Move to next CU block */ +- cu_processor_id += +- pcache_info[ct].num_cu_shared; +- } +- } +- } +- } +- +- pr_debug("Added [%d] GPU cache entries\n", *num_of_entries); +- +- return 0; +-} +- +-/* +- * kfd_create_crat_image_acpi - Allocates memory for CRAT image and +- * copies CRAT from ACPI (if available). +- * NOTE: Call kfd_destroy_crat_image to free CRAT image memory +- * +- * @crat_image: CRAT read from ACPI. If no CRAT in ACPI then +- * crat_image will be NULL +- * @size: [OUT] size of crat_image +- * +- * Return 0 if successful else return -ve value +- */ +-#ifdef CONFIG_ACPI +-int kfd_create_crat_image_acpi(void **crat_image, size_t *size) +-{ +- struct acpi_table_header *crat_table; +- acpi_status status; +- void *pcrat_image; +- +- if (!crat_image) +- return -EINVAL; +- +- *crat_image = NULL; +- +- /* Fetch the CRAT table from ACPI */ +- status = acpi_get_table(CRAT_SIGNATURE, 0, &crat_table); +- if (status == AE_NOT_FOUND) { +- pr_warn("CRAT table not found\n"); +- return -ENODATA; +- } else if (ACPI_FAILURE(status)) { +- const char *err = acpi_format_exception(status); +- +- pr_err("CRAT table error: %s\n", err); +- return -EINVAL; +- } +- +- if (ignore_crat) { +- pr_info("CRAT table disabled by module option\n"); +- return -ENODATA; +- } +- +- pcrat_image = kmalloc(crat_table->length, GFP_KERNEL); +- if (!pcrat_image) { +- pr_err("No memory for allocating CRAT image\n"); +- return -ENOMEM; +- } +- +- memcpy(pcrat_image, crat_table, crat_table->length); +- +- *crat_image = pcrat_image; +- *size = crat_table->length; +- +- return 0; +-} +-#endif +- +-/* Memory required to create Virtual CRAT. +- * Since there is no easy way to predict the amount of memory required, the +- * following amount are allocated for CPU and GPU Virtual CRAT. This is +- * expected to cover all known conditions. But to be safe additional check +- * is put in the code to ensure we don't overwrite. +- */ +-#define VCRAT_SIZE_FOR_CPU (2 * PAGE_SIZE) +-#define VCRAT_SIZE_FOR_GPU (3 * PAGE_SIZE) +- +-/* kfd_fill_cu_for_cpu - Fill in Compute info for the given CPU NUMA node +- * +- * @numa_node_id: CPU NUMA node id +- * @avail_size: Available size in the memory +- * @sub_type_hdr: Memory into which compute info will be filled in +- * +- * Return 0 if successful else return -ve value +- */ +-static int kfd_fill_cu_for_cpu(int numa_node_id, int *avail_size, +- int proximity_domain, +- struct crat_subtype_computeunit *sub_type_hdr) +-{ +- const struct cpumask *cpumask; +- +- *avail_size -= sizeof(struct crat_subtype_computeunit); +- if (*avail_size < 0) +- return -ENOMEM; +- +- memset(sub_type_hdr, 0, sizeof(struct crat_subtype_computeunit)); +- +- /* Fill in subtype header data */ +- sub_type_hdr->type = CRAT_SUBTYPE_COMPUTEUNIT_AFFINITY; +- sub_type_hdr->length = sizeof(struct crat_subtype_computeunit); +- sub_type_hdr->flags = CRAT_SUBTYPE_FLAGS_ENABLED; +- +- cpumask = cpumask_of_node(numa_node_id); +- +- /* Fill in CU data */ +- sub_type_hdr->flags |= CRAT_CU_FLAGS_CPU_PRESENT; +- sub_type_hdr->proximity_domain = proximity_domain; +- sub_type_hdr->processor_id_low = kfd_numa_node_to_apic_id(numa_node_id); +- if (sub_type_hdr->processor_id_low == -1) +- return -EINVAL; +- +- sub_type_hdr->num_cpu_cores = cpumask_weight(cpumask); +- +- return 0; +-} +- +-/* kfd_fill_mem_info_for_cpu - Fill in Memory info for the given CPU NUMA node +- * +- * @numa_node_id: CPU NUMA node id +- * @avail_size: Available size in the memory +- * @sub_type_hdr: Memory into which compute info will be filled in +- * +- * Return 0 if successful else return -ve value +- */ +-static int kfd_fill_mem_info_for_cpu(int numa_node_id, int *avail_size, +- int proximity_domain, +- struct crat_subtype_memory *sub_type_hdr) +-{ +- uint64_t mem_in_bytes = 0; +- pg_data_t *pgdat; +- int zone_type; +- +- *avail_size -= sizeof(struct crat_subtype_memory); +- if (*avail_size < 0) +- return -ENOMEM; +- +- memset(sub_type_hdr, 0, sizeof(struct crat_subtype_memory)); +- +- /* Fill in subtype header data */ +- sub_type_hdr->type = CRAT_SUBTYPE_MEMORY_AFFINITY; +- sub_type_hdr->length = sizeof(struct crat_subtype_memory); +- sub_type_hdr->flags = CRAT_SUBTYPE_FLAGS_ENABLED; +- +- /* Fill in Memory Subunit data */ +- +- /* Unlike si_meminfo, si_meminfo_node is not exported. So +- * the following lines are duplicated from si_meminfo_node +- * function +- */ +- pgdat = NODE_DATA(numa_node_id); +- for (zone_type = 0; zone_type < MAX_NR_ZONES; zone_type++) +- mem_in_bytes += pgdat->node_zones[zone_type].managed_pages; +- mem_in_bytes <<= PAGE_SHIFT; +- +- sub_type_hdr->length_low = lower_32_bits(mem_in_bytes); +- sub_type_hdr->length_high = upper_32_bits(mem_in_bytes); +- sub_type_hdr->proximity_domain = proximity_domain; +- +- return 0; +-} +- +-#ifdef CONFIG_X86_64 +-static int kfd_fill_iolink_info_for_cpu(int numa_node_id, int *avail_size, +- uint32_t *num_entries, +- struct crat_subtype_iolink *sub_type_hdr) +-{ +- int nid; +- struct cpuinfo_x86 *c = &cpu_data(0); +- uint8_t link_type; +- +- if (c->x86_vendor == X86_VENDOR_AMD) +- link_type = CRAT_IOLINK_TYPE_HYPERTRANSPORT; +- else +- link_type = CRAT_IOLINK_TYPE_QPI_1_1; +- +- *num_entries = 0; +- +- /* Create IO links from this node to other CPU nodes */ +- for_each_online_node(nid) { +- if (nid == numa_node_id) /* node itself */ +- continue; +- +- *avail_size -= sizeof(struct crat_subtype_iolink); +- if (*avail_size < 0) +- return -ENOMEM; +- +- memset(sub_type_hdr, 0, sizeof(struct crat_subtype_iolink)); +- +- /* Fill in subtype header data */ +- sub_type_hdr->type = CRAT_SUBTYPE_IOLINK_AFFINITY; +- sub_type_hdr->length = sizeof(struct crat_subtype_iolink); +- sub_type_hdr->flags = CRAT_SUBTYPE_FLAGS_ENABLED; +- +- /* Fill in IO link data */ +- sub_type_hdr->proximity_domain_from = numa_node_id; +- sub_type_hdr->proximity_domain_to = nid; +- sub_type_hdr->io_interface_type = link_type; +- +- (*num_entries)++; +- sub_type_hdr++; +- } +- +- return 0; +-} +-#endif +- +-/* kfd_create_vcrat_image_cpu - Create Virtual CRAT for CPU +- * +- * @pcrat_image: Fill in VCRAT for CPU +- * @size: [IN] allocated size of crat_image. +- * [OUT] actual size of data filled in crat_image +- */ +-static int kfd_create_vcrat_image_cpu(void *pcrat_image, size_t *size) +-{ +- struct crat_header *crat_table = (struct crat_header *)pcrat_image; +- struct crat_subtype_generic *sub_type_hdr; +- int avail_size = *size; +- int numa_node_id; +- int ret = 0; +-#ifdef CONFIG_ACPI +- struct acpi_table_header *acpi_table; +- acpi_status status; +-#endif +-#ifdef CONFIG_X86_64 +- uint32_t entries = 0; +-#endif +- +- if (!pcrat_image || avail_size < VCRAT_SIZE_FOR_CPU) +- return -EINVAL; +- +- /* Fill in CRAT Header. +- * Modify length and total_entries as subunits are added. +- */ +- avail_size -= sizeof(struct crat_header); +- if (avail_size < 0) +- return -ENOMEM; +- +- memset(crat_table, 0, sizeof(struct crat_header)); +- memcpy(&crat_table->signature, CRAT_SIGNATURE, +- sizeof(crat_table->signature)); +- crat_table->length = sizeof(struct crat_header); +- +-#ifdef CONFIG_ACPI +- status = acpi_get_table("DSDT", 0, &acpi_table); +- if (status == AE_NOT_FOUND) +- pr_warn("DSDT table not found for OEM information\n"); +- else { +- crat_table->oem_revision = acpi_table->revision; +- memcpy(crat_table->oem_id, acpi_table->oem_id, +- CRAT_OEMID_LENGTH); +- memcpy(crat_table->oem_table_id, acpi_table->oem_table_id, +- CRAT_OEMTABLEID_LENGTH); +- } +-#else +- crat_table->oem_revision = 0; +- memcpy(crat_table->oem_id, "INV", CRAT_OEMID_LENGTH); +- memcpy(crat_table->oem_table_id, "UNAVAIL", CRAT_OEMTABLEID_LENGTH); +-#endif +- crat_table->total_entries = 0; +- crat_table->num_domains = 0; +- +- sub_type_hdr = (struct crat_subtype_generic *)(crat_table+1); +- +- for_each_online_node(numa_node_id) { +- if (kfd_numa_node_to_apic_id(numa_node_id) == -1) +- continue; +- +- /* Fill in Subtype: Compute Unit */ +- ret = kfd_fill_cu_for_cpu(numa_node_id, &avail_size, +- crat_table->num_domains, +- (struct crat_subtype_computeunit *)sub_type_hdr); +- if (ret < 0) +- return ret; +- crat_table->length += sub_type_hdr->length; +- crat_table->total_entries++; +- +- sub_type_hdr = (typeof(sub_type_hdr))((char *)sub_type_hdr + +- sub_type_hdr->length); +- +- /* Fill in Subtype: Memory */ +- ret = kfd_fill_mem_info_for_cpu(numa_node_id, &avail_size, +- crat_table->num_domains, +- (struct crat_subtype_memory *)sub_type_hdr); +- if (ret < 0) +- return ret; +- crat_table->length += sub_type_hdr->length; +- crat_table->total_entries++; +- +- sub_type_hdr = (typeof(sub_type_hdr))((char *)sub_type_hdr + +- sub_type_hdr->length); +- +- /* Fill in Subtype: IO Link */ +-#ifdef CONFIG_X86_64 +- ret = kfd_fill_iolink_info_for_cpu(numa_node_id, &avail_size, +- &entries, +- (struct crat_subtype_iolink *)sub_type_hdr); +- if (ret < 0) +- return ret; +- crat_table->length += (sub_type_hdr->length * entries); +- crat_table->total_entries += entries; +- +- sub_type_hdr = (typeof(sub_type_hdr))((char *)sub_type_hdr + +- sub_type_hdr->length * entries); +-#else +- pr_info("IO link not available for non x86 platforms\n"); +-#endif +- +- crat_table->num_domains++; +- } +- +- /* TODO: Add cache Subtype for CPU. +- * Currently, CPU cache information is available in function +- * detect_cache_attributes(cpu) defined in the file +- * ./arch/x86/kernel/cpu/intel_cacheinfo.c. This function is not +- * exported and to get the same information the code needs to be +- * duplicated. +- */ +- +- *size = crat_table->length; +- pr_info("Virtual CRAT table created for CPU\n"); +- +- return 0; +-} +- +-static int kfd_fill_gpu_memory_affinity(int *avail_size, +- struct kfd_dev *kdev, uint8_t type, uint64_t size, +- struct crat_subtype_memory *sub_type_hdr, +- uint32_t proximity_domain, +- const struct kfd_local_mem_info *local_mem_info) +-{ +- *avail_size -= sizeof(struct crat_subtype_memory); +- if (*avail_size < 0) +- return -ENOMEM; +- +- memset((void *)sub_type_hdr, 0, sizeof(struct crat_subtype_memory)); +- sub_type_hdr->type = CRAT_SUBTYPE_MEMORY_AFFINITY; +- sub_type_hdr->length = sizeof(struct crat_subtype_memory); +- sub_type_hdr->flags |= CRAT_SUBTYPE_FLAGS_ENABLED; +- +- sub_type_hdr->proximity_domain = proximity_domain; +- +- pr_debug("Fill gpu memory affinity - type 0x%x size 0x%llx\n", +- type, size); +- +- sub_type_hdr->length_low = lower_32_bits(size); +- sub_type_hdr->length_high = upper_32_bits(size); +- +- sub_type_hdr->width = local_mem_info->vram_width; +- sub_type_hdr->visibility_type = type; +- +- return 0; +-} +- +-/* kfd_fill_gpu_direct_io_link - Fill in direct io link from GPU +- * to its NUMA node +- * @avail_size: Available size in the memory +- * @kdev - [IN] GPU device +- * @sub_type_hdr: Memory into which io link info will be filled in +- * @proximity_domain - proximity domain of the GPU node +- * +- * Return 0 if successful else return -ve value +- */ +-static int kfd_fill_gpu_direct_io_link(int *avail_size, +- struct kfd_dev *kdev, +- struct crat_subtype_iolink *sub_type_hdr, +- uint32_t proximity_domain) +-{ +- *avail_size -= sizeof(struct crat_subtype_iolink); +- if (*avail_size < 0) +- return -ENOMEM; +- +- memset((void *)sub_type_hdr, 0, sizeof(struct crat_subtype_iolink)); +- +- /* Fill in subtype header data */ +- sub_type_hdr->type = CRAT_SUBTYPE_IOLINK_AFFINITY; +- sub_type_hdr->length = sizeof(struct crat_subtype_iolink); +- sub_type_hdr->flags |= CRAT_SUBTYPE_FLAGS_ENABLED; +- +- /* Fill in IOLINK subtype. +- * TODO: Fill-in other fields of iolink subtype +- */ +- sub_type_hdr->io_interface_type = CRAT_IOLINK_TYPE_PCIEXPRESS; +- sub_type_hdr->proximity_domain_from = proximity_domain; +-#ifdef CONFIG_NUMA +- if (kdev->pdev->dev.numa_node == NUMA_NO_NODE) +- sub_type_hdr->proximity_domain_to = 0; +- else +- sub_type_hdr->proximity_domain_to = kdev->pdev->dev.numa_node; +-#else +- sub_type_hdr->proximity_domain_to = 0; +-#endif +- return 0; +-} +- +-/* kfd_create_vcrat_image_gpu - Create Virtual CRAT for CPU +- * +- * @pcrat_image: Fill in VCRAT for GPU +- * @size: [IN] allocated size of crat_image. +- * [OUT] actual size of data filled in crat_image +- */ +-static int kfd_create_vcrat_image_gpu(void *pcrat_image, +- size_t *size, struct kfd_dev *kdev, +- uint32_t proximity_domain) +-{ +- struct crat_header *crat_table = (struct crat_header *)pcrat_image; +- struct crat_subtype_generic *sub_type_hdr; +- struct crat_subtype_computeunit *cu; +- struct kfd_cu_info cu_info; +- int avail_size = *size; +- uint32_t total_num_of_cu; +- int num_of_cache_entries = 0; +- int cache_mem_filled = 0; +- int ret = 0; +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) +- struct amd_iommu_device_info iommu_info; +- const u32 required_iommu_flags = AMD_IOMMU_DEVICE_FLAG_ATS_SUP | +- AMD_IOMMU_DEVICE_FLAG_PRI_SUP | +- AMD_IOMMU_DEVICE_FLAG_PASID_SUP; +-#endif +- struct kfd_local_mem_info local_mem_info; +- +- if (!pcrat_image || avail_size < VCRAT_SIZE_FOR_GPU) +- return -EINVAL; +- +- /* Fill the CRAT Header. +- * Modify length and total_entries as subunits are added. +- */ +- avail_size -= sizeof(struct crat_header); +- if (avail_size < 0) +- return -ENOMEM; +- +- memset(crat_table, 0, sizeof(struct crat_header)); +- +- memcpy(&crat_table->signature, CRAT_SIGNATURE, +- sizeof(crat_table->signature)); +- /* Change length as we add more subtypes*/ +- crat_table->length = sizeof(struct crat_header); +- crat_table->num_domains = 1; +- crat_table->total_entries = 0; +- +- /* Fill in Subtype: Compute Unit +- * First fill in the sub type header and then sub type data +- */ +- avail_size -= sizeof(struct crat_subtype_computeunit); +- if (avail_size < 0) +- return -ENOMEM; +- +- sub_type_hdr = (struct crat_subtype_generic *)(crat_table + 1); +- memset(sub_type_hdr, 0, sizeof(struct crat_subtype_computeunit)); +- +- sub_type_hdr->type = CRAT_SUBTYPE_COMPUTEUNIT_AFFINITY; +- sub_type_hdr->length = sizeof(struct crat_subtype_computeunit); +- sub_type_hdr->flags = CRAT_SUBTYPE_FLAGS_ENABLED; +- +- /* Fill CU subtype data */ +- cu = (struct crat_subtype_computeunit *)sub_type_hdr; +- cu->flags |= CRAT_CU_FLAGS_GPU_PRESENT; +- cu->proximity_domain = proximity_domain; +- +- kdev->kfd2kgd->get_cu_info(kdev->kgd, &cu_info); +- cu->num_simd_per_cu = cu_info.simd_per_cu; +- cu->num_simd_cores = cu_info.simd_per_cu * cu_info.cu_active_number; +- cu->max_waves_simd = cu_info.max_waves_per_simd; +- +- cu->wave_front_size = cu_info.wave_front_size; +- cu->array_count = cu_info.num_shader_arrays_per_engine * +- cu_info.num_shader_engines; +- total_num_of_cu = (cu->array_count * cu_info.num_cu_per_sh); +- cu->processor_id_low = get_and_inc_gpu_processor_id(total_num_of_cu); +- cu->num_cu_per_array = cu_info.num_cu_per_sh; +- cu->max_slots_scatch_cu = cu_info.max_scratch_slots_per_cu; +- cu->num_banks = cu_info.num_shader_engines; +- cu->lds_size_in_kb = cu_info.lds_size; +- +- cu->hsa_capability = 0; +- +- /* Check if this node supports IOMMU. During parsing this flag will +- * translate to HSA_CAP_ATS_PRESENT +- */ +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) +- iommu_info.flags = 0; +- if (amd_iommu_device_info(kdev->pdev, &iommu_info) == 0) { +- if ((iommu_info.flags & required_iommu_flags) == +- required_iommu_flags) +- cu->hsa_capability |= CRAT_CU_FLAGS_IOMMU_PRESENT; +- } +-#endif +- +- crat_table->length += sub_type_hdr->length; +- crat_table->total_entries++; +- +- /* Fill in Subtype: Memory. Only on systems with large BAR (no +- * private FB), report memory as public. On other systems +- * report the total FB size (public+private) as a single +- * private heap. +- */ +- kdev->kfd2kgd->get_local_mem_info(kdev->kgd, &local_mem_info); +- sub_type_hdr = (typeof(sub_type_hdr))((char *)sub_type_hdr + +- sub_type_hdr->length); +- +- if (debug_largebar) +- local_mem_info.local_mem_size_private = 0; +- +- if (local_mem_info.local_mem_size_private == 0) +- ret = kfd_fill_gpu_memory_affinity(&avail_size, +- kdev, HSA_MEM_HEAP_TYPE_FB_PUBLIC, +- local_mem_info.local_mem_size_public, +- (struct crat_subtype_memory *)sub_type_hdr, +- proximity_domain, +- &local_mem_info); +- else +- ret = kfd_fill_gpu_memory_affinity(&avail_size, +- kdev, HSA_MEM_HEAP_TYPE_FB_PRIVATE, +- local_mem_info.local_mem_size_public + +- local_mem_info.local_mem_size_private, +- (struct crat_subtype_memory *)sub_type_hdr, +- proximity_domain, +- &local_mem_info); +- if (ret < 0) +- return ret; +- +- crat_table->length += sizeof(struct crat_subtype_memory); +- crat_table->total_entries++; +- +- /* TODO: Fill in cache information. This information is NOT readily +- * available in KGD +- */ +- sub_type_hdr = (typeof(sub_type_hdr))((char *)sub_type_hdr + +- sub_type_hdr->length); +- ret = kfd_fill_gpu_cache_info(kdev, cu->processor_id_low, +- avail_size, +- &cu_info, +- (struct crat_subtype_cache *)sub_type_hdr, +- &cache_mem_filled, +- &num_of_cache_entries); +- +- if (ret < 0) +- return ret; +- +- crat_table->length += cache_mem_filled; +- crat_table->total_entries += num_of_cache_entries; +- avail_size -= cache_mem_filled; +- +- /* Fill in Subtype: IO_LINKS +- * Only direct links are added here which is Link from GPU to +- * to its NUMA node. Indirect links are added by userspace. +- */ +- sub_type_hdr = (typeof(sub_type_hdr))((char *)sub_type_hdr + +- cache_mem_filled); +- ret = kfd_fill_gpu_direct_io_link(&avail_size, kdev, +- (struct crat_subtype_iolink *)sub_type_hdr, proximity_domain); +- +- if (ret < 0) +- return ret; +- +- crat_table->length += sub_type_hdr->length; +- crat_table->total_entries++; +- +- *size = crat_table->length; +- pr_info("Virtual CRAT table created for GPU\n"); +- +- return ret; +-} +- +-/* kfd_create_crat_image_virtual - Allocates memory for CRAT image and +- * creates a Virtual CRAT (VCRAT) image +- * +- * NOTE: Call kfd_destroy_crat_image to free CRAT image memory +- * +- * @crat_image: VCRAT image created because ACPI does not have a +- * CRAT for this device +- * @size: [OUT] size of virtual crat_image +- * @flags: COMPUTE_UNIT_CPU - Create VCRAT for CPU device +- * COMPUTE_UNIT_GPU - Create VCRAT for GPU +- * (COMPUTE_UNIT_CPU | COMPUTE_UNIT_GPU) - Create VCRAT for APU +- * -- this option is not currently implemented. +- * The assumption is that all AMD APUs will have CRAT +- * @kdev: Valid kfd_device required if flags contain COMPUTE_UNIT_GPU +- * +- * Return 0 if successful else return -ve value +- */ +-int kfd_create_crat_image_virtual(void **crat_image, size_t *size, +- int flags, struct kfd_dev *kdev, uint32_t proximity_domain) +-{ +- void *pcrat_image = NULL; +- int ret = 0; +- +- if (!crat_image) +- return -EINVAL; +- +- *crat_image = NULL; +- +- /* Allocate one VCRAT_SIZE_FOR_CPU for CPU virtual CRAT image and +- * VCRAT_SIZE_FOR_GPU for GPU virtual CRAT image. This should cover +- * all the current conditions. A check is put not to overwrite beyond +- * allocated size +- */ +- switch (flags) { +- case COMPUTE_UNIT_CPU: +- pcrat_image = kmalloc(VCRAT_SIZE_FOR_CPU, GFP_KERNEL); +- if (!pcrat_image) +- return -ENOMEM; +- *size = VCRAT_SIZE_FOR_CPU; +- ret = kfd_create_vcrat_image_cpu(pcrat_image, size); +- break; +- case COMPUTE_UNIT_GPU: +- if (!kdev) +- return -EINVAL; +- pcrat_image = kmalloc(VCRAT_SIZE_FOR_GPU, GFP_KERNEL); +- if (!pcrat_image) +- return -ENOMEM; +- *size = VCRAT_SIZE_FOR_GPU; +- ret = kfd_create_vcrat_image_gpu(pcrat_image, size, +- kdev, proximity_domain); +- break; +- case (COMPUTE_UNIT_CPU | COMPUTE_UNIT_GPU): +- /* TODO: */ +- ret = -EINVAL; +- pr_err("VCRAT not implemented for APU\n"); +- break; +- default: +- ret = -EINVAL; +- } +- +- if (!ret) +- *crat_image = pcrat_image; +- else +- kfree(pcrat_image); +- +- return ret; +-} +- +- +-/* kfd_destroy_crat_image +- * +- * @crat_image: [IN] - crat_image from kfd_create_crat_image_xxx(..) +- * +- */ +-void kfd_destroy_crat_image(void *crat_image) +-{ +- kfree(crat_image); +-} +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.h b/drivers/gpu/drm/amd/amdkfd/kfd_crat.h +index 00de41f..a374fa3 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.h ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.h +@@ -24,7 +24,6 @@ + #define KFD_CRAT_H_INCLUDED + + #include <linux/types.h> +-#include "kfd_priv.h" + + #pragma pack(1) + +@@ -45,10 +44,6 @@ + + #define CRAT_OEMID_64BIT_MASK ((1ULL << (CRAT_OEMID_LENGTH * 8)) - 1) + +-/* Compute Unit flags */ +-#define COMPUTE_UNIT_CPU (1 << 0) /* Create Virtual CRAT for CPU */ +-#define COMPUTE_UNIT_GPU (1 << 1) /* Create Virtual CRAT for GPU */ +- + struct crat_header { + uint32_t signature; + uint32_t length; +@@ -110,7 +105,7 @@ struct crat_subtype_computeunit { + uint8_t wave_front_size; + uint8_t num_banks; + uint16_t micro_engine_id; +- uint8_t array_count; ++ uint8_t num_arrays; + uint8_t num_cu_per_array; + uint8_t num_simd_per_cu; + uint8_t max_slots_scatch_cu; +@@ -132,14 +127,13 @@ struct crat_subtype_memory { + uint8_t length; + uint16_t reserved; + uint32_t flags; +- uint32_t proximity_domain; ++ uint32_t promixity_domain; + uint32_t base_addr_low; + uint32_t base_addr_high; + uint32_t length_low; + uint32_t length_high; + uint32_t width; +- uint8_t visibility_type; /* for virtual (dGPU) CRAT */ +- uint8_t reserved2[CRAT_MEMORY_RESERVED_LENGTH - 1]; ++ uint8_t reserved2[CRAT_MEMORY_RESERVED_LENGTH]; + }; + + /* +@@ -228,12 +222,9 @@ struct crat_subtype_ccompute { + /* + * HSA IO Link Affinity structure and definitions + */ +-#define CRAT_IOLINK_FLAGS_ENABLED (1 << 0) +-#define CRAT_IOLINK_FLAGS_NON_COHERENT (1 << 1) +-#define CRAT_IOLINK_FLAGS_NO_ATOMICS_32_BIT (1 << 2) +-#define CRAT_IOLINK_FLAGS_NO_ATOMICS_64_BIT (1 << 3) +-#define CRAT_IOLINK_FLAGS_NO_PEER_TO_PEER_DMA (1 << 4) +-#define CRAT_IOLINK_FLAGS_RESERVED_MASK 0xffffffe0 ++#define CRAT_IOLINK_FLAGS_ENABLED 0x00000001 ++#define CRAT_IOLINK_FLAGS_COHERENCY 0x00000002 ++#define CRAT_IOLINK_FLAGS_RESERVED 0xfffffffc + + /* + * IO interface types +@@ -241,16 +232,8 @@ struct crat_subtype_ccompute { + #define CRAT_IOLINK_TYPE_UNDEFINED 0 + #define CRAT_IOLINK_TYPE_HYPERTRANSPORT 1 + #define CRAT_IOLINK_TYPE_PCIEXPRESS 2 +-#define CRAT_IOLINK_TYPE_AMBA 3 +-#define CRAT_IOLINK_TYPE_MIPI 4 +-#define CRAT_IOLINK_TYPE_QPI_1_1 5 +-#define CRAT_IOLINK_TYPE_RESERVED1 6 +-#define CRAT_IOLINK_TYPE_RESERVED2 7 +-#define CRAT_IOLINK_TYPE_RAPID_IO 8 +-#define CRAT_IOLINK_TYPE_INFINIBAND 9 +-#define CRAT_IOLINK_TYPE_RESERVED3 10 +-#define CRAT_IOLINK_TYPE_OTHER 11 +-#define CRAT_IOLINK_TYPE_MAX 255 ++#define CRAT_IOLINK_TYPE_OTHER 3 ++#define CRAT_IOLINK_TYPE_MAX 255 + + #define CRAT_IOLINK_RESERVED_LENGTH 24 + +@@ -308,13 +291,4 @@ struct cdit_header { + + #pragma pack() + +-#ifdef CONFIG_ACPI +-int kfd_create_crat_image_acpi(void **crat_image, size_t *size); +-#endif +-void kfd_destroy_crat_image(void *crat_image); +-int kfd_parse_crat_table(void *crat_image, +- struct list_head *device_list, +- uint32_t proximity_domain); +-int kfd_create_crat_image_virtual(void **crat_image, size_t *size, +- int flags, struct kfd_dev *kdev, uint32_t proximity_domain); + #endif /* KFD_CRAT_H_INCLUDED */ +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c +index df9b346..0aa021a 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c +@@ -29,7 +29,7 @@ + #include <linux/mutex.h> + #include <linux/device.h> + +-#include "kfd_pm4_headers_vi.h" ++#include "kfd_pm4_headers.h" + #include "kfd_pm4_headers_diq.h" + #include "kfd_kernel_queue.h" + #include "kfd_priv.h" +@@ -47,10 +47,9 @@ static void dbgdev_address_watch_disable_nodiq(struct kfd_dev *dev) + + static int dbgdev_diq_submit_ib(struct kfd_dbgdev *dbgdev, + unsigned int pasid, uint64_t vmid0_address, +- uint32_t *packet_buff, size_t size_in_bytes, +- bool sync) ++ uint32_t *packet_buff, size_t size_in_bytes) + { +- struct pm4_mec_release_mem *rm_packet; ++ struct pm4__release_mem *rm_packet; + struct pm4__indirect_buffer_pasid *ib_packet; + struct kfd_mem_obj *mem_obj; + size_t pq_packets_size_in_bytes; +@@ -66,9 +65,8 @@ static int dbgdev_diq_submit_ib(struct kfd_dbgdev *dbgdev, + + kq = dbgdev->kq; + +- pq_packets_size_in_bytes = sizeof(struct pm4__indirect_buffer_pasid); +- if (sync) +- pq_packets_size_in_bytes += sizeof(struct pm4_mec_release_mem); ++ pq_packets_size_in_bytes = sizeof(struct pm4__release_mem) + ++ sizeof(struct pm4__indirect_buffer_pasid); + + /* + * We acquire a buffer from DIQ +@@ -97,15 +95,10 @@ static int dbgdev_diq_submit_ib(struct kfd_dbgdev *dbgdev, + ib_packet->bitfields3.ib_base_hi = largep->u.high_part; + + ib_packet->control = (1 << 23) | (1 << 31) | +- ((size_in_bytes / 4) & 0xfffff); ++ ((size_in_bytes / sizeof(uint32_t)) & 0xfffff); + + ib_packet->bitfields5.pasid = pasid; + +- if (!sync) { +- kq->ops.submit_packet(kq); +- return status; +- } +- + /* + * for now we use release mem for GPU-CPU synchronization + * Consider WaitRegMem + WriteData as a better alternative +@@ -114,7 +107,7 @@ static int dbgdev_diq_submit_ib(struct kfd_dbgdev *dbgdev, + * (a) Sync with HW + * (b) Sync var is written by CP to mem. + */ +- rm_packet = (struct pm4_mec_release_mem *) (ib_packet_buff + ++ rm_packet = (struct pm4__release_mem *) (ib_packet_buff + + (sizeof(struct pm4__indirect_buffer_pasid) / + sizeof(unsigned int))); + +@@ -133,7 +126,8 @@ static int dbgdev_diq_submit_ib(struct kfd_dbgdev *dbgdev, + + rm_packet->header.opcode = IT_RELEASE_MEM; + rm_packet->header.type = PM4_TYPE_3; +- rm_packet->header.count = sizeof(struct pm4_mec_release_mem) / 4 - 2; ++ rm_packet->header.count = sizeof(struct pm4__release_mem) / ++ sizeof(unsigned int) - 2; + + rm_packet->bitfields2.event_type = CACHE_FLUSH_AND_INV_TS_EVENT; + rm_packet->bitfields2.event_index = +@@ -190,9 +184,9 @@ static int dbgdev_register_diq(struct kfd_dbgdev *dbgdev) + struct kernel_queue *kq = NULL; + int status; + +- properties.type = KFD_QUEUE_TYPE_DIQ; + status = pqm_create_queue(dbgdev->pqm, dbgdev->dev, NULL, +- &properties, &qid); ++ &properties, 0, KFD_QUEUE_TYPE_DIQ, ++ &qid); + + if (status) { + pr_err("Failed to create DIQ\n"); +@@ -238,8 +232,7 @@ static void dbgdev_address_watch_set_registers( + union TCP_WATCH_ADDR_H_BITS *addrHi, + union TCP_WATCH_ADDR_L_BITS *addrLo, + union TCP_WATCH_CNTL_BITS *cntl, +- unsigned int index, unsigned int vmid, +- bool is_apu) ++ unsigned int index, unsigned int vmid) + { + union ULARGE_INTEGER addr; + +@@ -264,9 +257,9 @@ static void dbgdev_address_watch_set_registers( + + cntl->bitfields.mode = adw_info->watch_mode[index]; + cntl->bitfields.vmid = (uint32_t) vmid; +- /* for APU assume it is an ATC address */ +- if (is_apu) +- cntl->u32All |= ADDRESS_WATCH_REG_CNTL_ATC_BIT; ++ /* for now assume it is an ATC address */ ++ cntl->u32All |= ADDRESS_WATCH_REG_CNTL_ATC_BIT; ++ + pr_debug("\t\t%20s %08x\n", "set reg mask :", cntl->bitfields.mask); + pr_debug("\t\t%20s %08x\n", "set reg add high :", + addrHi->bitfields.addr); +@@ -308,8 +301,7 @@ static int dbgdev_address_watch_nodiq(struct kfd_dbgdev *dbgdev, + + for (i = 0; i < adw_info->num_watch_points; i++) { + dbgdev_address_watch_set_registers(adw_info, &addrHi, &addrLo, +- &cntl, i, pdd->qpd.vmid, +- dbgdev->dev->device_info->is_need_iommu_device); ++ &cntl, i, pdd->qpd.vmid); + + pr_debug("\t\t%30s\n", "* * * * * * * * * * * * * * * * * *"); + pr_debug("\t\t%20s %08x\n", "register index :", i); +@@ -348,9 +340,9 @@ static int dbgdev_address_watch_diq(struct kfd_dbgdev *dbgdev, + union TCP_WATCH_ADDR_H_BITS addrHi; + union TCP_WATCH_ADDR_L_BITS addrLo; + union TCP_WATCH_CNTL_BITS cntl; ++ struct kfd_mem_obj *mem_obj; + unsigned int aw_reg_add_dword; + uint32_t *packet_buff_uint; +- uint64_t packet_buff_gpu_addr; + unsigned int i; + int status; + size_t ib_size = sizeof(struct pm4__set_config_reg) * 4; +@@ -372,13 +364,15 @@ static int dbgdev_address_watch_diq(struct kfd_dbgdev *dbgdev, + return -EINVAL; + } + +- status = dbgdev->kq->ops.acquire_inline_ib(dbgdev->kq, +- ib_size/sizeof(uint32_t), +- &packet_buff_uint, &packet_buff_gpu_addr); ++ status = kfd_gtt_sa_allocate(dbgdev->dev, ib_size, &mem_obj); ++ + if (status) { +- pr_err("Failed to allocate IB from DIQ ring\n"); ++ pr_err("Failed to allocate GART memory\n"); + return status; + } ++ ++ packet_buff_uint = mem_obj->cpu_ptr; ++ + memset(packet_buff_uint, 0, ib_size); + + packets_vec = (struct pm4__set_config_reg *) (packet_buff_uint); +@@ -397,9 +391,12 @@ static int dbgdev_address_watch_diq(struct kfd_dbgdev *dbgdev, + packets_vec[3].bitfields2.insert_vmid = 1; + + for (i = 0; i < adw_info->num_watch_points; i++) { +- dbgdev_address_watch_set_registers(adw_info, &addrHi, &addrLo, +- &cntl, i, vmid, +- dbgdev->dev->device_info->is_need_iommu_device); ++ dbgdev_address_watch_set_registers(adw_info, ++ &addrHi, ++ &addrLo, ++ &cntl, ++ i, ++ vmid); + + pr_debug("\t\t%30s\n", "* * * * * * * * * * * * * * * * * *"); + pr_debug("\t\t%20s %08x\n", "register index :", i); +@@ -472,24 +469,24 @@ static int dbgdev_address_watch_diq(struct kfd_dbgdev *dbgdev, + status = dbgdev_diq_submit_ib( + dbgdev, + adw_info->process->pasid, +- packet_buff_gpu_addr, ++ mem_obj->gpu_addr, + packet_buff_uint, +- ib_size, true); ++ ib_size); + + if (status) { + pr_err("Failed to submit IB to DIQ\n"); +- return status; ++ break; + } + } + ++ kfd_gtt_sa_free(dbgdev->dev, mem_obj); + return status; + } + + static int dbgdev_wave_control_set_registers( + struct dbg_wave_control_info *wac_info, + union SQ_CMD_BITS *in_reg_sq_cmd, +- union GRBM_GFX_INDEX_BITS *in_reg_gfx_index, +- unsigned int asic_family) ++ union GRBM_GFX_INDEX_BITS *in_reg_gfx_index) + { + int status = 0; + union SQ_CMD_BITS reg_sq_cmd; +@@ -547,25 +544,11 @@ static int dbgdev_wave_control_set_registers( + + switch (wac_info->operand) { + case HSA_DBG_WAVEOP_HALT: +- if (asic_family == CHIP_KAVERI) { +- reg_sq_cmd.bits.cmd = SQ_IND_CMD_CMD_HALT; +- pr_debug("Halting KV\n"); +- } else { +- reg_sq_cmd.bits_sethalt.cmd = SQ_IND_CMD_NEW_SETHALT; +- reg_sq_cmd.bits_sethalt.data = SQ_IND_CMD_DATA_HALT; +- pr_debug("Halting CZ\n"); +- } ++ reg_sq_cmd.bits.cmd = SQ_IND_CMD_CMD_HALT; + break; + + case HSA_DBG_WAVEOP_RESUME: +- if (asic_family == CHIP_KAVERI) { +- reg_sq_cmd.bits.cmd = SQ_IND_CMD_CMD_RESUME; +- pr_debug("Resuming KV\n"); +- } else { +- reg_sq_cmd.bits_sethalt.cmd = SQ_IND_CMD_NEW_SETHALT; +- reg_sq_cmd.bits_sethalt.data = SQ_IND_CMD_DATA_RESUME; +- pr_debug("Resuming CZ\n"); +- } ++ reg_sq_cmd.bits.cmd = SQ_IND_CMD_CMD_RESUME; + break; + + case HSA_DBG_WAVEOP_KILL: +@@ -605,15 +588,15 @@ static int dbgdev_wave_control_diq(struct kfd_dbgdev *dbgdev, + int status; + union SQ_CMD_BITS reg_sq_cmd; + union GRBM_GFX_INDEX_BITS reg_gfx_index; ++ struct kfd_mem_obj *mem_obj; + uint32_t *packet_buff_uint; +- uint64_t packet_buff_gpu_addr; + struct pm4__set_config_reg *packets_vec; + size_t ib_size = sizeof(struct pm4__set_config_reg) * 3; + + reg_sq_cmd.u32All = 0; + + status = dbgdev_wave_control_set_registers(wac_info, ®_sq_cmd, +- ®_gfx_index, dbgdev->dev->device_info->asic_family); ++ ®_gfx_index); + if (status) { + pr_err("Failed to set wave control registers\n"); + return status; +@@ -652,13 +635,15 @@ static int dbgdev_wave_control_diq(struct kfd_dbgdev *dbgdev, + + pr_debug("\t\t %30s\n", "* * * * * * * * * * * * * * * * * *"); + +- status = dbgdev->kq->ops.acquire_inline_ib(dbgdev->kq, +- ib_size / sizeof(uint32_t), +- &packet_buff_uint, &packet_buff_gpu_addr); +- if (status) { +- pr_err("Failed to allocate IB from DIQ ring\n"); ++ status = kfd_gtt_sa_allocate(dbgdev->dev, ib_size, &mem_obj); ++ ++ if (status != 0) { ++ pr_err("Failed to allocate GART memory\n"); + return status; + } ++ ++ packet_buff_uint = mem_obj->cpu_ptr; ++ + memset(packet_buff_uint, 0, ib_size); + + packets_vec = (struct pm4__set_config_reg *) packet_buff_uint; +@@ -666,7 +651,8 @@ static int dbgdev_wave_control_diq(struct kfd_dbgdev *dbgdev, + packets_vec[0].header.opcode = IT_SET_UCONFIG_REG; + packets_vec[0].header.type = PM4_TYPE_3; + packets_vec[0].bitfields2.reg_offset = +- GRBM_GFX_INDEX / 4 - USERCONFIG_REG_BASE; ++ GRBM_GFX_INDEX / (sizeof(uint32_t)) - ++ USERCONFIG_REG_BASE; + + packets_vec[0].bitfields2.insert_vmid = 0; + packets_vec[0].reg_data[0] = reg_gfx_index.u32All; +@@ -674,7 +660,8 @@ static int dbgdev_wave_control_diq(struct kfd_dbgdev *dbgdev, + packets_vec[1].header.count = 1; + packets_vec[1].header.opcode = IT_SET_CONFIG_REG; + packets_vec[1].header.type = PM4_TYPE_3; +- packets_vec[1].bitfields2.reg_offset = SQ_CMD / 4 - AMD_CONFIG_REG_BASE; ++ packets_vec[1].bitfields2.reg_offset = SQ_CMD / (sizeof(uint32_t)) - ++ AMD_CONFIG_REG_BASE; + + packets_vec[1].bitfields2.vmid_shift = SQ_CMD_VMID_OFFSET; + packets_vec[1].bitfields2.insert_vmid = 1; +@@ -690,7 +677,8 @@ static int dbgdev_wave_control_diq(struct kfd_dbgdev *dbgdev, + + packets_vec[2].ordinal1 = packets_vec[0].ordinal1; + packets_vec[2].bitfields2.reg_offset = +- GRBM_GFX_INDEX / 4 - USERCONFIG_REG_BASE; ++ GRBM_GFX_INDEX / (sizeof(uint32_t)) - ++ USERCONFIG_REG_BASE; + + packets_vec[2].bitfields2.insert_vmid = 0; + packets_vec[2].reg_data[0] = reg_gfx_index.u32All; +@@ -698,13 +686,15 @@ static int dbgdev_wave_control_diq(struct kfd_dbgdev *dbgdev, + status = dbgdev_diq_submit_ib( + dbgdev, + wac_info->process->pasid, +- packet_buff_gpu_addr, ++ mem_obj->gpu_addr, + packet_buff_uint, +- ib_size, false); ++ ib_size); + + if (status) + pr_err("Failed to submit IB to DIQ\n"); + ++ kfd_gtt_sa_free(dbgdev->dev, mem_obj); ++ + return status; + } + +@@ -726,7 +716,7 @@ static int dbgdev_wave_control_nodiq(struct kfd_dbgdev *dbgdev, + return -EFAULT; + } + status = dbgdev_wave_control_set_registers(wac_info, ®_sq_cmd, +- ®_gfx_index, dbgdev->dev->device_info->asic_family); ++ ®_gfx_index); + if (status) { + pr_err("Failed to set wave control registers\n"); + return status; +@@ -779,8 +769,13 @@ int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p) + union GRBM_GFX_INDEX_BITS reg_gfx_index; + struct kfd_process_device *pdd; + struct dbg_wave_control_info wac_info; +- int first_vmid_to_scan = dev->vm_info.first_vmid_kfd; +- int last_vmid_to_scan = dev->vm_info.last_vmid_kfd; ++ int temp; ++ int first_vmid_to_scan = 8; ++ int last_vmid_to_scan = 15; ++ ++ first_vmid_to_scan = ffs(dev->shared_resources.compute_vmid_bitmap) - 1; ++ temp = dev->shared_resources.compute_vmid_bitmap >> first_vmid_to_scan; ++ last_vmid_to_scan = first_vmid_to_scan + ffz(temp); + + reg_sq_cmd.u32All = 0; + status = 0; +@@ -818,7 +813,7 @@ int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p) + return -EFAULT; + + status = dbgdev_wave_control_set_registers(&wac_info, ®_sq_cmd, +- ®_gfx_index, dev->device_info->asic_family); ++ ®_gfx_index); + if (status != 0) + return -EINVAL; + +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.h b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.h +index 583aaa9..03424c2 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.h ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.h +@@ -60,24 +60,6 @@ enum { + SH_REG_SIZE = SH_REG_END - SH_REG_BASE + }; + +-/* SQ_CMD definitions */ +- +-enum { +- SQ_IND_CMD_DATA_RESUME = 0, +- SQ_IND_CMD_DATA_HALT = 1 +-}; +- +-enum SQ_IND_CMD_NEW { +- SQ_IND_CMD_NEW_NULL = 0x00000000, +- SQ_IND_CMD_NEW_SETHALT = 0x00000001, +- SQ_IND_CMD_NEW_SAVECTX = 0x00000002, +- SQ_IND_CMD_NEW_KILL = 0x00000003, +- SQ_IND_CMD_NEW_DEBUG = 0x00000004, +- SQ_IND_CMD_NEW_TRAP = 0x00000005, +- SQ_IND_CMD_NEW_SET_PRIO = 0x00000006 +- +-}; +- + enum SQ_IND_CMD_CMD { + SQ_IND_CMD_CMD_NULL = 0x00000000, + SQ_IND_CMD_CMD_HALT = 0x00000001, +@@ -136,20 +118,6 @@ union SQ_CMD_BITS { + uint32_t:1; + uint32_t vm_id:4; + } bitfields, bits; +- struct { +- uint32_t cmd:3; +- uint32_t:1; +- uint32_t mode:3; +- uint32_t check_vmid:1; +- uint32_t data:3; +- uint32_t:5; +- uint32_t wave_id:4; +- uint32_t simd_id:2; +- uint32_t:2; +- uint32_t queue_id:3; +- uint32_t:1; +- uint32_t vm_id:4; +- } bitfields_sethalt, bits_sethalt; + uint32_t u32All; + signed int i32All; + float f32All; +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_dbgmgr.c b/drivers/gpu/drm/amd/amdkfd/kfd_dbgmgr.c +index 9d4af96..3da25f7 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_dbgmgr.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_dbgmgr.c +@@ -33,7 +33,6 @@ + #include "kfd_pm4_headers_diq.h" + #include "kfd_dbgmgr.h" + #include "kfd_dbgdev.h" +-#include "kfd_device_queue_manager.h" + + static DEFINE_MUTEX(kfd_dbgmgr_mutex); + +@@ -84,7 +83,7 @@ bool kfd_dbgmgr_create(struct kfd_dbgmgr **ppmgr, struct kfd_dev *pdev) + } + + /* get actual type of DBGDevice cpsch or not */ +- if (pdev->dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS) ++ if (sched_policy == KFD_SCHED_POLICY_NO_HWS) + type = DBGDEV_TYPE_NODIQ; + + kfd_dbgdev_init(new_buff->dbgdev, pdev, type); +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c b/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c +deleted file mode 100644 +index 232e28f..0000000 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c ++++ /dev/null +@@ -1,75 +0,0 @@ +-/* +- * Copyright 2014 Advanced Micro Devices, Inc. +- * +- * Permission is hereby granted, free of charge, to any person obtaining a +- * copy of this software and associated documentation files (the "Software"), +- * to deal in the Software without restriction, including without limitation +- * the rights to use, copy, modify, merge, publish, distribute, sublicense, +- * and/or sell copies of the Software, and to permit persons to whom the +- * Software is furnished to do so, subject to the following conditions: +- * +- * The above copyright notice and this permission notice shall be included in +- * all copies or substantial portions of the Software. +- * +- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR +- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +- * OTHER DEALINGS IN THE SOFTWARE. +- */ +- +-#include <linux/debugfs.h> +-#include "kfd_priv.h" +- +-static struct dentry *debugfs_root; +- +-static int kfd_debugfs_open(struct inode *inode, struct file *file) +-{ +- int (*show)(struct seq_file *, void *) = inode->i_private; +- +- return single_open(file, show, NULL); +-} +- +-static const struct file_operations kfd_debugfs_fops = { +- .owner = THIS_MODULE, +- .open = kfd_debugfs_open, +- .read = seq_read, +- .llseek = seq_lseek, +- .release = single_release, +-}; +- +-void kfd_debugfs_init(void) +-{ +- struct dentry *ent; +- +- debugfs_root = debugfs_create_dir("kfd", NULL); +- if (!debugfs_root || debugfs_root == ERR_PTR(-ENODEV)) { +- pr_warn("Failed to create kfd debugfs dir\n"); +- return; +- } +- +- ent = debugfs_create_file("mqds", S_IFREG | 0444, debugfs_root, +- kfd_debugfs_mqds_by_process, +- &kfd_debugfs_fops); +- if (!ent) +- pr_warn("Failed to create mqds in kfd debugfs\n"); +- +- ent = debugfs_create_file("hqds", S_IFREG | 0444, debugfs_root, +- kfd_debugfs_hqds_by_device, +- &kfd_debugfs_fops); +- if (!ent) +- pr_warn("Failed to create hqds in kfd debugfs\n"); +- +- ent = debugfs_create_file("rls", S_IFREG | 0444, debugfs_root, +- kfd_debugfs_rls_by_device, +- &kfd_debugfs_fops); +- if (!ent) +- pr_warn("Failed to create rls in kfd debugfs\n"); +-} +- +-void kfd_debugfs_fini(void) +-{ +- debugfs_remove_recursive(debugfs_root); +-} +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c +index f701b4e..61fff25 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c +@@ -20,206 +20,36 @@ + * OTHER DEALINGS IN THE SOFTWARE. + */ + +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) + #include <linux/amd-iommu.h> +-#endif ++#include <linux/bsearch.h> + #include <linux/pci.h> + #include <linux/slab.h> + #include "kfd_priv.h" + #include "kfd_device_queue_manager.h" + #include "kfd_pm4_headers_vi.h" +-#include "cwsr_trap_handler_gfx8.asm" +-#include "cwsr_trap_handler_gfx9.asm" + + #define MQD_SIZE_ALIGNED 768 +-static atomic_t kfd_device_suspended = ATOMIC_INIT(0); + +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) + static const struct kfd_device_info kaveri_device_info = { + .asic_family = CHIP_KAVERI, + .max_pasid_bits = 16, + /* max num of queues for KV.TODO should be a dynamic value */ + .max_no_of_hqd = 24, +- .doorbell_size = 4, + .ih_ring_entry_size = 4 * sizeof(uint32_t), + .event_interrupt_class = &event_interrupt_class_cik, + .num_of_watch_points = 4, +- .mqd_size_aligned = MQD_SIZE_ALIGNED, +- .is_need_iommu_device = true, +- .supports_cwsr = false, +- .needs_pci_atomics = false, +- .num_sdma_engines = 2, ++ .mqd_size_aligned = MQD_SIZE_ALIGNED + }; +-#endif + +-static const struct kfd_device_info hawaii_device_info = { +- .asic_family = CHIP_HAWAII, +- .max_pasid_bits = 16, +- /* max num of queues for KV.TODO should be a dynamic value */ +- .max_no_of_hqd = 24, +- .doorbell_size = 4, +- .ih_ring_entry_size = 4 * sizeof(uint32_t), +- .event_interrupt_class = &event_interrupt_class_cik, +- .num_of_watch_points = 4, +- .mqd_size_aligned = MQD_SIZE_ALIGNED, +- .is_need_iommu_device = false, +- .supports_cwsr = false, +- .needs_pci_atomics = false, +- .num_sdma_engines = 2, +-}; +- +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) + static const struct kfd_device_info carrizo_device_info = { + .asic_family = CHIP_CARRIZO, + .max_pasid_bits = 16, + /* max num of queues for CZ.TODO should be a dynamic value */ + .max_no_of_hqd = 24, +- .doorbell_size = 4, + .ih_ring_entry_size = 4 * sizeof(uint32_t), + .event_interrupt_class = &event_interrupt_class_cik, + .num_of_watch_points = 4, +- .mqd_size_aligned = MQD_SIZE_ALIGNED, +- .is_need_iommu_device = true, +- .supports_cwsr = true, +- .needs_pci_atomics = false, +- .num_sdma_engines = 2, +-}; +-#endif +- +-static const struct kfd_device_info tonga_device_info = { +- .asic_family = CHIP_TONGA, +- .max_pasid_bits = 16, +- .max_no_of_hqd = 24, +- .doorbell_size = 4, +- .ih_ring_entry_size = 4 * sizeof(uint32_t), +- .event_interrupt_class = &event_interrupt_class_cik, +- .num_of_watch_points = 4, +- .mqd_size_aligned = MQD_SIZE_ALIGNED, +- .is_need_iommu_device = false, +- .supports_cwsr = false, +- .needs_pci_atomics = true, +- .num_sdma_engines = 2, +-}; +- +-static const struct kfd_device_info fiji_device_info = { +- .asic_family = CHIP_FIJI, +- .max_pasid_bits = 16, +- .max_no_of_hqd = 24, +- .doorbell_size = 4, +- .ih_ring_entry_size = 4 * sizeof(uint32_t), +- .event_interrupt_class = &event_interrupt_class_cik, +- .num_of_watch_points = 4, +- .mqd_size_aligned = MQD_SIZE_ALIGNED, +- .is_need_iommu_device = false, +- .supports_cwsr = true, +- .needs_pci_atomics = true, +- .num_sdma_engines = 2, +-}; +- +-static const struct kfd_device_info fiji_vf_device_info = { +- .asic_family = CHIP_FIJI, +- .max_pasid_bits = 16, +- .max_no_of_hqd = 24, +- .doorbell_size = 4, +- .ih_ring_entry_size = 4 * sizeof(uint32_t), +- .event_interrupt_class = &event_interrupt_class_cik, +- .num_of_watch_points = 4, +- .mqd_size_aligned = MQD_SIZE_ALIGNED, +- .is_need_iommu_device = false, +- .supports_cwsr = true, +- .needs_pci_atomics = false, +- .num_sdma_engines = 2, +-}; +- +- +-static const struct kfd_device_info polaris10_device_info = { +- .asic_family = CHIP_POLARIS10, +- .max_pasid_bits = 16, +- .max_no_of_hqd = 24, +- .doorbell_size = 4, +- .ih_ring_entry_size = 4 * sizeof(uint32_t), +- .event_interrupt_class = &event_interrupt_class_cik, +- .num_of_watch_points = 4, +- .mqd_size_aligned = MQD_SIZE_ALIGNED, +- .is_need_iommu_device = false, +- .supports_cwsr = true, +- .needs_pci_atomics = true, +- .num_sdma_engines = 2, +-}; +- +-static const struct kfd_device_info polaris10_vf_device_info = { +- .asic_family = CHIP_POLARIS10, +- .max_pasid_bits = 16, +- .max_no_of_hqd = 24, +- .doorbell_size = 4, +- .ih_ring_entry_size = 4 * sizeof(uint32_t), +- .event_interrupt_class = &event_interrupt_class_cik, +- .num_of_watch_points = 4, +- .mqd_size_aligned = MQD_SIZE_ALIGNED, +- .is_need_iommu_device = false, +- .supports_cwsr = true, +- .needs_pci_atomics = false, +- .num_sdma_engines = 2, +-}; +- +-static const struct kfd_device_info polaris11_device_info = { +- .asic_family = CHIP_POLARIS11, +- .max_pasid_bits = 16, +- .max_no_of_hqd = 24, +- .doorbell_size = 4, +- .ih_ring_entry_size = 4 * sizeof(uint32_t), +- .event_interrupt_class = &event_interrupt_class_cik, +- .num_of_watch_points = 4, +- .mqd_size_aligned = MQD_SIZE_ALIGNED, +- .is_need_iommu_device = false, +- .supports_cwsr = true, +- .needs_pci_atomics = true, +- .num_sdma_engines = 2, +-}; +- +-static const struct kfd_device_info vega10_device_info = { +- .asic_family = CHIP_VEGA10, +- .max_pasid_bits = 16, +- .max_no_of_hqd = 24, +- .doorbell_size = 8, +- .ih_ring_entry_size = 8 * sizeof(uint32_t), +- .event_interrupt_class = &event_interrupt_class_v9, +- .num_of_watch_points = 4, +- .mqd_size_aligned = MQD_SIZE_ALIGNED, +- .is_need_iommu_device = false, +- .supports_cwsr = true, +- .needs_pci_atomics = true, +- .num_sdma_engines = 2, +-}; +- +-static const struct kfd_device_info vega10_vf_device_info = { +- .asic_family = CHIP_VEGA10, +- .max_pasid_bits = 16, +- .max_no_of_hqd = 24, +- .doorbell_size = 8, +- .ih_ring_entry_size = 8 * sizeof(uint32_t), +- .event_interrupt_class = &event_interrupt_class_v9, +- .num_of_watch_points = 4, +- .mqd_size_aligned = MQD_SIZE_ALIGNED, +- .is_need_iommu_device = false, +- .supports_cwsr = true, +- .needs_pci_atomics = false, +- .num_sdma_engines = 2, +-}; +- +-static const struct kfd_device_info raven_device_info = { +- .asic_family = CHIP_RAVEN, +- .max_pasid_bits = 16, +- .max_no_of_hqd = 24, +- .doorbell_size = 8, +- .ih_ring_entry_size = 8 * sizeof(uint32_t), +- .event_interrupt_class = &event_interrupt_class_v9, +- .num_of_watch_points = 4, +- .mqd_size_aligned = MQD_SIZE_ALIGNED, +- .is_need_iommu_device = true, +- .supports_cwsr = true, +- .needs_pci_atomics = true, +- .num_sdma_engines = 1, ++ .mqd_size_aligned = MQD_SIZE_ALIGNED + }; + + struct kfd_deviceid { +@@ -229,7 +59,6 @@ struct kfd_deviceid { + + /* Please keep this sorted by increasing device id. */ + static const struct kfd_deviceid supported_devices[] = { +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) + { 0x1304, &kaveri_device_info }, /* Kaveri */ + { 0x1305, &kaveri_device_info }, /* Kaveri */ + { 0x1306, &kaveri_device_info }, /* Kaveri */ +@@ -252,76 +81,17 @@ static const struct kfd_deviceid supported_devices[] = { + { 0x131B, &kaveri_device_info }, /* Kaveri */ + { 0x131C, &kaveri_device_info }, /* Kaveri */ + { 0x131D, &kaveri_device_info }, /* Kaveri */ +-#endif +- { 0x67A0, &hawaii_device_info }, /* Hawaii */ +- { 0x67A1, &hawaii_device_info }, /* Hawaii */ +- { 0x67A2, &hawaii_device_info }, /* Hawaii */ +- { 0x67A8, &hawaii_device_info }, /* Hawaii */ +- { 0x67A9, &hawaii_device_info }, /* Hawaii */ +- { 0x67AA, &hawaii_device_info }, /* Hawaii */ +- { 0x67B0, &hawaii_device_info }, /* Hawaii */ +- { 0x67B1, &hawaii_device_info }, /* Hawaii */ +- { 0x67B8, &hawaii_device_info }, /* Hawaii */ +- { 0x67B9, &hawaii_device_info }, /* Hawaii */ +- { 0x67BA, &hawaii_device_info }, /* Hawaii */ +- { 0x67BE, &hawaii_device_info }, /* Hawaii */ +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) + { 0x9870, &carrizo_device_info }, /* Carrizo */ + { 0x9874, &carrizo_device_info }, /* Carrizo */ + { 0x9875, &carrizo_device_info }, /* Carrizo */ + { 0x9876, &carrizo_device_info }, /* Carrizo */ +- { 0x9877, &carrizo_device_info }, /* Carrizo */ +-#endif +- { 0x6920, &tonga_device_info }, /* Tonga */ +- { 0x6921, &tonga_device_info }, /* Tonga */ +- { 0x6928, &tonga_device_info }, /* Tonga */ +- { 0x6929, &tonga_device_info }, /* Tonga */ +- { 0x692B, &tonga_device_info }, /* Tonga */ +- { 0x6938, &tonga_device_info }, /* Tonga */ +- { 0x6939, &tonga_device_info }, /* Tonga */ +- { 0x7300, &fiji_device_info }, /* Fiji */ +- { 0x730F, &fiji_vf_device_info }, /* Fiji vf*/ +- { 0x67C0, &polaris10_device_info }, /* Polaris10 */ +- { 0x67C1, &polaris10_device_info }, /* Polaris10 */ +- { 0x67C2, &polaris10_device_info }, /* Polaris10 */ +- { 0x67C4, &polaris10_device_info }, /* Polaris10 */ +- { 0x67C7, &polaris10_device_info }, /* Polaris10 */ +- { 0x67C8, &polaris10_device_info }, /* Polaris10 */ +- { 0x67C9, &polaris10_device_info }, /* Polaris10 */ +- { 0x67CA, &polaris10_device_info }, /* Polaris10 */ +- { 0x67CC, &polaris10_device_info }, /* Polaris10 */ +- { 0x67CF, &polaris10_device_info }, /* Polaris10 */ +- { 0x67D0, &polaris10_vf_device_info }, /* Polaris10 vf*/ +- { 0x67DF, &polaris10_device_info }, /* Polaris10 */ +- { 0x67E0, &polaris11_device_info }, /* Polaris11 */ +- { 0x67E1, &polaris11_device_info }, /* Polaris11 */ +- { 0x67E3, &polaris11_device_info }, /* Polaris11 */ +- { 0x67E7, &polaris11_device_info }, /* Polaris11 */ +- { 0x67E8, &polaris11_device_info }, /* Polaris11 */ +- { 0x67E9, &polaris11_device_info }, /* Polaris11 */ +- { 0x67EB, &polaris11_device_info }, /* Polaris11 */ +- { 0x67EF, &polaris11_device_info }, /* Polaris11 */ +- { 0x67FF, &polaris11_device_info }, /* Polaris11 */ +- { 0x6860, &vega10_device_info }, /* Vega10 */ +- { 0x6861, &vega10_device_info }, /* Vega10 */ +- { 0x6862, &vega10_device_info }, /* Vega10 */ +- { 0x6863, &vega10_device_info }, /* Vega10 */ +- { 0x6864, &vega10_device_info }, /* Vega10 */ +- { 0x6867, &vega10_device_info }, /* Vega10 */ +- { 0x6868, &vega10_device_info }, /* Vega10 */ +- { 0x686C, &vega10_vf_device_info }, /* Vega10 vf*/ +- { 0x687F, &vega10_device_info }, /* Vega10 */ +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) +- { 0x15DD, &raven_device_info } /* Raven */ +-#endif ++ { 0x9877, &carrizo_device_info } /* Carrizo */ + }; + + static int kfd_gtt_sa_init(struct kfd_dev *kfd, unsigned int buf_size, + unsigned int chunk_size); + static void kfd_gtt_sa_fini(struct kfd_dev *kfd); + +-static int kfd_resume(struct kfd_dev *kfd); +- + static const struct kfd_device_info *lookup_device_info(unsigned short did) + { + size_t i; +@@ -352,17 +122,6 @@ struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, + return NULL; + } + +- if (device_info->needs_pci_atomics) { +- /* Allow BIF to recode atomics to PCIe 3.0 AtomicOps. +- */ +- if (pci_enable_atomic_ops_to_root(pdev) < 0) { +- dev_info(kfd_device, +- "skipped device %x:%x, PCI rejects atomics", +- pdev->vendor, pdev->device); +- return NULL; +- } +- } +- + kfd = kzalloc(sizeof(*kfd), GFP_KERNEL); + if (!kfd) + return NULL; +@@ -380,7 +139,6 @@ struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, + return kfd; + } + +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) + static bool device_iommu_pasid_init(struct kfd_dev *kfd) + { + const u32 required_iommu_flags = AMD_IOMMU_DEVICE_FLAG_ATS_SUP | +@@ -410,9 +168,23 @@ static bool device_iommu_pasid_init(struct kfd_dev *kfd) + pasid_limit = min_t(unsigned int, + (unsigned int)(1 << kfd->device_info->max_pasid_bits), + iommu_info.max_pasids); ++ /* ++ * last pasid is used for kernel queues doorbells ++ * in the future the last pasid might be used for a kernel thread. ++ */ ++ pasid_limit = min_t(unsigned int, ++ pasid_limit, ++ kfd->doorbell_process_limit - 1); ++ ++ err = amd_iommu_init_device(kfd->pdev, pasid_limit); ++ if (err < 0) { ++ dev_err(kfd_device, "error initializing iommu device\n"); ++ return false; ++ } + + if (!kfd_set_pasid_limit(pasid_limit)) { + dev_err(kfd_device, "error setting pasid limit\n"); ++ amd_iommu_free_device(kfd->pdev); + return false; + } + +@@ -424,7 +196,7 @@ static void iommu_pasid_shutdown_callback(struct pci_dev *pdev, int pasid) + struct kfd_dev *dev = kfd_device_by_pci_dev(pdev); + + if (dev) +- kfd_process_iommu_unbind_callback(dev, pasid); ++ kfd_unbind_process_from_device(dev, pasid); + } + + /* +@@ -451,69 +223,14 @@ static int iommu_invalid_ppr_cb(struct pci_dev *pdev, int pasid, + + return AMD_IOMMU_INV_PRI_RSP_INVALID; + } +-#endif /* CONFIG_AMD_IOMMU_V2 */ +- +-static int kfd_cwsr_init(struct kfd_dev *kfd) +-{ +- if (cwsr_enable && kfd->device_info->supports_cwsr) { +- if (kfd->device_info->asic_family < CHIP_VEGA10) { +- BUILD_BUG_ON(sizeof(cwsr_trap_gfx8_hex) > PAGE_SIZE); +- kfd->cwsr_isa = cwsr_trap_gfx8_hex; +- kfd->cwsr_isa_size = sizeof(cwsr_trap_gfx8_hex); +- } else { +- BUILD_BUG_ON(sizeof(cwsr_trap_gfx9_hex) > PAGE_SIZE); +- kfd->cwsr_isa = cwsr_trap_gfx9_hex; +- kfd->cwsr_isa_size = sizeof(cwsr_trap_gfx9_hex); +- } +- +- kfd->cwsr_enabled = true; +- } +- +- return 0; +-} +- +-static void kfd_ib_mem_init(struct kfd_dev *kdev) +-{ +- /* In certain cases we need to send IB from kernel using the GPU address +- * space created by user applications. +- * For example, on GFX v7, we need to flush TC associated to the VMID +- * before tearing down the VMID. In order to do so, we need an address +- * valid to the VMID to place the IB while this space was created on +- * the user's side, not the kernel. +- * Since kfd_set_process_dgpu_aperture reserves "cwsr_base + cwsr_size" +- * but CWSR only uses pages above cwsr_base, we'll use one page memory +- * under cwsr_base for IB submissions +- */ +- kdev->ib_size = PAGE_SIZE; +-} + + bool kgd2kfd_device_init(struct kfd_dev *kfd, + const struct kgd2kfd_shared_resources *gpu_resources) + { + unsigned int size; + +- kfd->mec_fw_version = kfd->kfd2kgd->get_fw_version(kfd->kgd, +- KGD_ENGINE_MEC1); +- + kfd->shared_resources = *gpu_resources; + +- /* Usually first_vmid_kfd = 8, last_vmid_kfd = 15 */ +- kfd->vm_info.first_vmid_kfd = ffs(gpu_resources->compute_vmid_bitmap)-1; +- kfd->vm_info.last_vmid_kfd = fls(gpu_resources->compute_vmid_bitmap)-1; +- kfd->vm_info.vmid_num_kfd = kfd->vm_info.last_vmid_kfd +- - kfd->vm_info.first_vmid_kfd + 1; +- +- /* Verify module parameters regarding mapped process number*/ +- if ((hws_max_conc_proc < 0) +- || (hws_max_conc_proc > kfd->vm_info.vmid_num_kfd)) { +- dev_err(kfd_device, +- "hws_max_conc_proc %d must be between 0 and %d, use %d instead\n", +- hws_max_conc_proc, kfd->vm_info.vmid_num_kfd, +- kfd->vm_info.vmid_num_kfd); +- kfd->max_proc_per_quantum = kfd->vm_info.vmid_num_kfd; +- } else +- kfd->max_proc_per_quantum = hws_max_conc_proc; +- + /* calculate max size of mqds needed for queues */ + size = max_num_of_queues_per_device * + kfd->device_info->mqd_size_aligned; +@@ -563,31 +280,29 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, + goto kfd_interrupt_error; + } + ++ if (!device_iommu_pasid_init(kfd)) { ++ dev_err(kfd_device, ++ "Error initializing iommuv2 for device %x:%x\n", ++ kfd->pdev->vendor, kfd->pdev->device); ++ goto device_iommu_pasid_error; ++ } ++ amd_iommu_set_invalidate_ctx_cb(kfd->pdev, ++ iommu_pasid_shutdown_callback); ++ amd_iommu_set_invalid_ppr_cb(kfd->pdev, iommu_invalid_ppr_cb); ++ + kfd->dqm = device_queue_manager_init(kfd); + if (!kfd->dqm) { + dev_err(kfd_device, "Error initializing queue manager\n"); + goto device_queue_manager_error; + } + +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) +- if (kfd->device_info->is_need_iommu_device) { +- if (!device_iommu_pasid_init(kfd)) { +- dev_err(kfd_device, "Error initializing iommuv2\n"); +- goto device_iommu_pasid_error; +- } +- } +-#endif +- +- if (kfd_cwsr_init(kfd)) { +- dev_err(kfd_device, "Error initializing cwsr\n"); +- goto device_iommu_pasid_error; ++ if (kfd->dqm->ops.start(kfd->dqm)) { ++ dev_err(kfd_device, ++ "Error starting queue manager for device %x:%x\n", ++ kfd->pdev->vendor, kfd->pdev->device); ++ goto dqm_start_error; + } + +- kfd_ib_mem_init(kfd); +- +- if (kfd_resume(kfd)) +- goto kfd_resume_error; +- + kfd->dbgmgr = NULL; + + kfd->init_complete = true; +@@ -595,14 +310,15 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, + kfd->pdev->device); + + pr_debug("Starting kfd with the following scheduling policy %d\n", +- kfd->dqm->sched_policy); ++ sched_policy); + + goto out; + +-kfd_resume_error: +-device_iommu_pasid_error: ++dqm_start_error: + device_queue_manager_uninit(kfd->dqm); + device_queue_manager_error: ++ amd_iommu_free_device(kfd->pdev); ++device_iommu_pasid_error: + kfd_interrupt_exit(kfd); + kfd_interrupt_error: + kfd_topology_remove_device(kfd); +@@ -622,8 +338,8 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, + void kgd2kfd_device_exit(struct kfd_dev *kfd) + { + if (kfd->init_complete) { +- kgd2kfd_suspend(kfd); + device_queue_manager_uninit(kfd->dqm); ++ amd_iommu_free_device(kfd->pdev); + kfd_interrupt_exit(kfd); + kfd_topology_remove_device(kfd); + kfd_doorbell_fini(kfd); +@@ -634,385 +350,55 @@ void kgd2kfd_device_exit(struct kfd_dev *kfd) + kfree(kfd); + } + +-int kgd2kfd_pre_reset(struct kfd_dev *kfd) +-{ +- return 0; +-} +- +-int kgd2kfd_post_reset(struct kfd_dev *kfd) +-{ +- return 0; +-} +- + void kgd2kfd_suspend(struct kfd_dev *kfd) + { +- if (!kfd->init_complete) +- return; +- +- /* For first KFD device suspend all the KFD processes */ +- if (atomic_inc_return(&kfd_device_suspended) == 1) +- kfd_suspend_all_processes(); +- +- kfd->dqm->ops.stop(kfd->dqm); +- +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) +- if (!kfd->device_info->is_need_iommu_device) +- return; +- +- kfd_unbind_processes_from_device(kfd); +- +- amd_iommu_set_invalidate_ctx_cb(kfd->pdev, NULL); +- amd_iommu_set_invalid_ppr_cb(kfd->pdev, NULL); +- amd_iommu_free_device(kfd->pdev); +-#endif ++ if (kfd->init_complete) { ++ kfd->dqm->ops.stop(kfd->dqm); ++ amd_iommu_set_invalidate_ctx_cb(kfd->pdev, NULL); ++ amd_iommu_set_invalid_ppr_cb(kfd->pdev, NULL); ++ amd_iommu_free_device(kfd->pdev); ++ } + } + + int kgd2kfd_resume(struct kfd_dev *kfd) + { +- int ret; +- +- if (!kfd->init_complete) +- return 0; +- +- ret = kfd_resume(kfd); +- if (ret) +- return ret; +- +- if (atomic_dec_return(&kfd_device_suspended) == 0) +- ret = kfd_resume_all_processes(); +- WARN(atomic_read(&kfd_device_suspended) < 0, +- "KFD suspend / resume ref. error\n"); +- return ret; +-} +- +-static int kfd_resume(struct kfd_dev *kfd) +-{ +- int err = 0; ++ unsigned int pasid_limit; ++ int err; + +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) +- if (kfd->device_info->is_need_iommu_device) { +- unsigned int pasid_limit = kfd_get_pasid_limit(); ++ pasid_limit = kfd_get_pasid_limit(); + ++ if (kfd->init_complete) { + err = amd_iommu_init_device(kfd->pdev, pasid_limit); +- if (err) { ++ if (err < 0) { + dev_err(kfd_device, "failed to initialize iommu\n"); + return -ENXIO; + } + + amd_iommu_set_invalidate_ctx_cb(kfd->pdev, +- iommu_pasid_shutdown_callback); +- amd_iommu_set_invalid_ppr_cb(kfd->pdev, +- iommu_invalid_ppr_cb); +- +- err = kfd_bind_processes_to_device(kfd); +- if (err) { +- dev_err(kfd_device, +- "failed to bind process to device\n"); +- return -ENXIO; +- } ++ iommu_pasid_shutdown_callback); ++ amd_iommu_set_invalid_ppr_cb(kfd->pdev, iommu_invalid_ppr_cb); ++ kfd->dqm->ops.start(kfd->dqm); + } +-#endif + +- err = kfd->dqm->ops.start(kfd->dqm); +- if (err) { +- dev_err(kfd_device, +- "Error starting queue manager for device %x:%x\n", +- kfd->pdev->vendor, kfd->pdev->device); +- goto dqm_start_error; +- } +- +- return err; +- +-dqm_start_error: +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) +- if (kfd->device_info->is_need_iommu_device) +- amd_iommu_free_device(kfd->pdev); +-#endif +- +- return err; ++ return 0; + } + + /* This is called directly from KGD at ISR. */ + void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry) + { +- uint32_t patched_ihre[DIV_ROUND_UP( +- kfd->device_info->ih_ring_entry_size, +- sizeof(uint32_t))]; +- bool is_patched = false; +- + if (!kfd->init_complete) + return; + + spin_lock(&kfd->interrupt_lock); + +- if (kfd->interrupts_active && interrupt_is_wanted(kfd, ih_ring_entry, +- patched_ihre, &is_patched) +- && enqueue_ih_ring_entry(kfd, +- is_patched ? patched_ihre : ih_ring_entry)) +- queue_work(kfd->ih_wq, &kfd->interrupt_work); ++ if (kfd->interrupts_active ++ && interrupt_is_wanted(kfd, ih_ring_entry) ++ && enqueue_ih_ring_entry(kfd, ih_ring_entry)) ++ schedule_work(&kfd->interrupt_work); + + spin_unlock(&kfd->interrupt_lock); + } + +-/* quiesce_process_mm - +- * Quiesce all user queues that belongs to given process p +- */ +-int quiesce_process_mm(struct kfd_process *p) +-{ +- struct kfd_process_device *pdd; +- int r = 0; +- unsigned int n_evicted = 0; +- +- list_for_each_entry(pdd, &p->per_device_data, per_device_list) { +- r = process_evict_queues(pdd->dev->dqm, &pdd->qpd); +- if (r != 0) { +- pr_err("Failed to evict process queues\n"); +- goto fail; +- } +- n_evicted++; +- } +- +- return r; +- +-fail: +- /* To keep state consistent, roll back partial eviction by +- * restoring queues +- */ +- list_for_each_entry(pdd, &p->per_device_data, per_device_list) { +- if (n_evicted == 0) +- break; +- if (process_restore_queues(pdd->dev->dqm, &pdd->qpd)) +- pr_err("Failed to restore queues\n"); +- +- n_evicted--; +- } +- +- return r; +-} +- +-/* resume_process_mm - +- * Resume all user queues that belongs to given process p. The caller must +- * ensure that process p context is valid. +- */ +-static int resume_process_mm(struct kfd_process *p) +-{ +- struct kfd_process_device *pdd; +- struct mm_struct *mm = (struct mm_struct *)p->mm; +- int r, ret = 0; +- +- list_for_each_entry(pdd, &p->per_device_data, per_device_list) { +- if (pdd->dev->dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS) +- down_read(&mm->mmap_sem); +- +- r = process_restore_queues(pdd->dev->dqm, &pdd->qpd); +- if (r != 0) { +- pr_err("Failed to restore process queues\n"); +- if (ret == 0) +- ret = r; +- } +- +- if (pdd->dev->dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS) +- up_read(&mm->mmap_sem); +- } +- +- return ret; +-} +- +-int kgd2kfd_quiesce_mm(struct kfd_dev *kfd, struct mm_struct *mm) +-{ +- struct kfd_process *p; +- struct kfd_process_device *pdd; +- int r; +- +- /* Because we are called from arbitrary context (workqueue) as opposed +- * to process context, kfd_process could attempt to exit while we are +- * running so the lookup function increments the process ref count. +- */ +- p = kfd_lookup_process_by_mm(mm); +- if (!p) +- return -ENODEV; +- +- if (kfd) { +- r = -ENODEV; +- pdd = kfd_get_process_device_data(kfd, p); +- if (pdd) +- r = process_evict_queues(kfd->dqm, &pdd->qpd); +- } else { +- r = quiesce_process_mm(p); +- } +- +- kfd_unref_process(p); +- return r; +-} +- +-int kgd2kfd_resume_mm(struct kfd_dev *kfd, struct mm_struct *mm) +-{ +- struct kfd_process *p; +- struct kfd_process_device *pdd; +- int r; +- +- /* Because we are called from arbitrary context (workqueue) as opposed +- * to process context, kfd_process could attempt to exit while we are +- * running so the lookup function increments the process ref count. +- */ +- p = kfd_lookup_process_by_mm(mm); +- if (!p) +- return -ENODEV; +- +- if (kfd) { +- r = -ENODEV; +- pdd = kfd_get_process_device_data(kfd, p); +- if (pdd) +- r = process_restore_queues(kfd->dqm, &pdd->qpd); +- } else { +- r = resume_process_mm(p); +- } +- +- kfd_unref_process(p); +- return r; +-} +- +- +-void kfd_restore_bo_worker(struct work_struct *work) +-{ +- struct delayed_work *dwork; +- struct kfd_process *p; +- struct kfd_process_device *pdd; +- int ret = 0; +- +- dwork = to_delayed_work(work); +- +- /* Process termination destroys this worker thread. So during the +- * lifetime of this thread, kfd_process p will be valid +- */ +- p = container_of(dwork, struct kfd_process, restore_work); +- +- /* Call restore_process_bos on the first KGD device. This function +- * takes care of restoring the whole process including other devices. +- * Restore can fail if enough memory is not available. If so, +- * reschedule again. +- */ +- pdd = list_first_entry(&p->per_device_data, +- struct kfd_process_device, +- per_device_list); +- +- pr_info("Started restoring process of pasid %d\n", p->pasid); +- +- /* Setting last_restore_timestamp before successful restoration. +- * Otherwise this would have to be set by KGD (restore_process_bos) +- * before KFD BOs are unreserved. If not, the process can be evicted +- * again before the timestamp is set. +- * If restore fails, the timestamp will be set again in the next +- * attempt. This would mean that the minimum GPU quanta would be +- * PROCESS_ACTIVE_TIME_MS - (time to execute the following two +- * functions) +- */ +- +- p->last_restore_timestamp = get_jiffies_64(); +- ret = pdd->dev->kfd2kgd->restore_process_bos(p->process_info, &p->ef); +- if (ret) { +- pr_info("Restore failed, try again after %d ms\n", +- PROCESS_BACK_OFF_TIME_MS); +- ret = schedule_delayed_work(&p->restore_work, +- msecs_to_jiffies(PROCESS_BACK_OFF_TIME_MS)); +- WARN(!ret, "reschedule restore work failed\n"); +- return; +- } +- +- ret = resume_process_mm(p); +- if (ret) +- pr_err("Failed to resume user queues\n"); +- +- pr_info("Finished restoring process of pasid %d\n", p->pasid); +-} +- +-/** kgd2kfd_schedule_evict_and_restore_process - Schedules work queue that will +- * prepare for safe eviction of KFD BOs that belong to the specified +- * process. +- * +- * @mm: mm_struct that identifies the specified KFD process +- * @fence: eviction fence attached to KFD process BOs +- * +- */ +-int kgd2kfd_schedule_evict_and_restore_process(struct mm_struct *mm, +- struct dma_fence *fence) +-{ +- struct kfd_process *p; +- unsigned long active_time; +- unsigned long delay_jiffies = msecs_to_jiffies(PROCESS_ACTIVE_TIME_MS); +- +- if (!fence) +- return -EINVAL; +- +- if (dma_fence_is_signaled(fence)) +- return 0; +- +- p = kfd_lookup_process_by_mm(mm); +- if (!p) +- return -ENODEV; +- +- if (fence->seqno == p->last_eviction_seqno) +- goto out; +- +- p->last_eviction_seqno = fence->seqno; +- +- /* Avoid KFD process starvation. Wait for at least +- * PROCESS_ACTIVE_TIME_MS before evicting the process again +- */ +- active_time = get_jiffies_64() - p->last_restore_timestamp; +- if (delay_jiffies > active_time) +- delay_jiffies -= active_time; +- else +- delay_jiffies = 0; +- +- /* During process initialization eviction_work.dwork is initialized +- * to kfd_evict_bo_worker +- */ +- schedule_delayed_work(&p->eviction_work, delay_jiffies); +-out: +- kfd_unref_process(p); +- return 0; +-} +- +-void kfd_evict_bo_worker(struct work_struct *work) +-{ +- int ret; +- struct kfd_process *p; +- struct delayed_work *dwork; +- +- dwork = to_delayed_work(work); +- +- /* Process termination destroys this worker thread. So during the +- * lifetime of this thread, kfd_process p will be valid +- */ +- p = container_of(dwork, struct kfd_process, eviction_work); +- WARN_ONCE(p->last_eviction_seqno != p->ef->seqno, +- "Eviction fence mismatch\n"); +- +- /* Narrow window of overlap between restore and evict work +- * item is possible. Once +- * amdgpu_amdkfd_gpuvm_restore_process_bos unreserves KFD BOs, +- * it is possible to evicted again. But restore has few more +- * steps of finish. So lets wait for any previous restore work +- * to complete +- */ +- flush_delayed_work(&p->restore_work); +- +- pr_info("Started evicting process of pasid %d\n", p->pasid); +- ret = quiesce_process_mm(p); +- if (!ret) { +- dma_fence_signal(p->ef); +- dma_fence_put(p->ef); +- p->ef = NULL; +- schedule_delayed_work(&p->restore_work, +- msecs_to_jiffies(PROCESS_RESTORE_TIME_MS)); +- +- pr_info("Finished evicting process of pasid %d\n", p->pasid); +- } else +- pr_err("Failed to quiesce user queues. Cannot evict pasid %d\n", +- p->pasid); +-} +- + static int kfd_gtt_sa_init(struct kfd_dev *kfd, unsigned int buf_size, + unsigned int chunk_size) + { +@@ -1076,8 +462,8 @@ int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size, + if (size > kfd->gtt_sa_num_of_chunks * kfd->gtt_sa_chunk_size) + return -ENOMEM; + +- *mem_obj = kzalloc(sizeof(struct kfd_mem_obj), GFP_NOIO); +- if (!(*mem_obj)) ++ *mem_obj = kmalloc(sizeof(struct kfd_mem_obj), GFP_KERNEL); ++ if ((*mem_obj) == NULL) + return -ENOMEM; + + pr_debug("Allocated mem_obj = %p for size = %d\n", *mem_obj, size); +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +index a628a0d..53a66e8 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +@@ -44,14 +44,9 @@ static int create_compute_queue_nocpsch(struct device_queue_manager *dqm, + struct queue *q, + struct qcm_process_device *qpd); + +-static int execute_queues_cpsch(struct device_queue_manager *dqm, +- enum kfd_unmap_queues_filter filter, +- uint32_t filter_param); +-static int unmap_queues_cpsch(struct device_queue_manager *dqm, +- enum kfd_unmap_queues_filter filter, +- uint32_t filter_param); +- +-static int map_queues_cpsch(struct device_queue_manager *dqm); ++static int execute_queues_cpsch(struct device_queue_manager *dqm, bool lock); ++static int destroy_queues_cpsch(struct device_queue_manager *dqm, ++ bool preempt_static_queues, bool lock); + + static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm, + struct queue *q, +@@ -98,17 +93,6 @@ unsigned int get_pipes_per_mec(struct device_queue_manager *dqm) + return dqm->dev->shared_resources.num_pipe_per_mec; + } + +-static unsigned int get_num_sdma_engines(struct device_queue_manager *dqm) +-{ +- return dqm->dev->device_info->num_sdma_engines; +-} +- +-unsigned int get_num_sdma_queues(struct device_queue_manager *dqm) +-{ +- return dqm->dev->device_info->num_sdma_engines +- * KFD_SDMA_QUEUES_PER_ENGINE; +-} +- + void program_sh_mem_settings(struct device_queue_manager *dqm, + struct qcm_process_device *qpd) + { +@@ -120,57 +104,6 @@ void program_sh_mem_settings(struct device_queue_manager *dqm, + qpd->sh_mem_bases); + } + +-static int allocate_doorbell(struct qcm_process_device *qpd, struct queue *q) +-{ +- struct kfd_dev *dev = qpd->dqm->dev; +- +- if (!KFD_IS_SOC15(dev->device_info->asic_family)) { +- /* On pre-SOC15 chips we need to use the queue ID to +- * preserve the user mode ABI. +- */ +- q->doorbell_id = q->properties.queue_id; +- } else if (q->properties.type == KFD_QUEUE_TYPE_SDMA) { +- /* For SDMA queues on SOC15, use static doorbell +- * assignments based on the engine and queue. +- */ +- q->doorbell_id = dev->shared_resources.sdma_doorbell +- [q->properties.sdma_engine_id] +- [q->properties.sdma_queue_id]; +- } else { +- /* For CP queues on SOC15 reserve a free doorbell ID */ +- unsigned int found; +- +- found = find_first_zero_bit(qpd->doorbell_bitmap, +- KFD_MAX_NUM_OF_QUEUES_PER_PROCESS); +- if (found >= KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) { +- pr_debug("No doorbells available"); +- return -EBUSY; +- } +- set_bit(found, qpd->doorbell_bitmap); +- q->doorbell_id = found; +- } +- +- q->properties.doorbell_off = +- kfd_doorbell_id_to_offset(dev, q->process, +- q->doorbell_id); +- +- return 0; +-} +- +-static void deallocate_doorbell(struct qcm_process_device *qpd, +- struct queue *q) +-{ +- unsigned int old; +- struct kfd_dev *dev = qpd->dqm->dev; +- +- if (!KFD_IS_SOC15(dev->device_info->asic_family) || +- q->properties.type == KFD_QUEUE_TYPE_SDMA) +- return; +- +- old = test_and_clear_bit(q->doorbell_id, qpd->doorbell_bitmap); +- WARN_ON(!old); +-} +- + static int allocate_vmid(struct device_queue_manager *dqm, + struct qcm_process_device *qpd, + struct queue *q) +@@ -180,10 +113,11 @@ static int allocate_vmid(struct device_queue_manager *dqm, + if (dqm->vmid_bitmap == 0) + return -ENOMEM; + +- bit = ffs(dqm->vmid_bitmap) - 1; +- dqm->vmid_bitmap &= ~(1 << bit); ++ bit = find_first_bit((unsigned long *)&dqm->vmid_bitmap, CIK_VMID_NUM); ++ clear_bit(bit, (unsigned long *)&dqm->vmid_bitmap); + +- allocated_vmid = bit + dqm->dev->vm_info.first_vmid_kfd; ++ /* Kaveri kfd vmid's starts from vmid 8 */ ++ allocated_vmid = bit + KFD_VMID_START_OFFSET; + pr_debug("vmid allocation %d\n", allocated_vmid); + qpd->vmid = allocated_vmid; + q->properties.vmid = allocated_vmid; +@@ -191,57 +125,27 @@ static int allocate_vmid(struct device_queue_manager *dqm, + set_pasid_vmid_mapping(dqm, q->process->pasid, q->properties.vmid); + program_sh_mem_settings(dqm, qpd); + +- /* qpd->page_table_base is set earlier when register_process() +- * is called, i.e. when the first queue is created. +- */ +- dqm->dev->kfd2kgd->set_vm_context_page_table_base(dqm->dev->kgd, +- qpd->vmid, +- qpd->page_table_base); +- /*invalidate the VM context after pasid and vmid mapping is set up*/ +- kfd_flush_tlb(dqm->dev, qpd->pqm->process); +- + return 0; + } + +-static int flush_texture_cache_nocpsch(struct kfd_dev *kdev, +- struct qcm_process_device *qpd) +-{ +- uint32_t len; +- +- if (!qpd->ib_kaddr) +- return -ENOMEM; +- +- len = qpd->dqm->packets.pmf->release_mem(qpd->ib_base, +- (uint32_t *)qpd->ib_kaddr); +- +- return kdev->kfd2kgd->submit_ib(kdev->kgd, KGD_ENGINE_MEC1, qpd->vmid, +- qpd->ib_base, (uint32_t *)qpd->ib_kaddr, len); +-} +- + static void deallocate_vmid(struct device_queue_manager *dqm, + struct qcm_process_device *qpd, + struct queue *q) + { +- int bit = qpd->vmid - dqm->dev->vm_info.first_vmid_kfd; +- +- /* On GFX v7, CP doesn't flush TC at dequeue */ +- if (q->device->device_info->asic_family == CHIP_HAWAII) +- if (flush_texture_cache_nocpsch(q->device, qpd)) +- pr_err("Failed to flush TC\n"); +- +- kfd_flush_tlb(dqm->dev, qpd->pqm->process); ++ int bit = qpd->vmid - KFD_VMID_START_OFFSET; + + /* Release the vmid mapping */ + set_pasid_vmid_mapping(dqm, 0, qpd->vmid); + +- dqm->vmid_bitmap |= (1 << bit); ++ set_bit(bit, (unsigned long *)&dqm->vmid_bitmap); + qpd->vmid = 0; + q->properties.vmid = 0; + } + + static int create_queue_nocpsch(struct device_queue_manager *dqm, + struct queue *q, +- struct qcm_process_device *qpd) ++ struct qcm_process_device *qpd, ++ int *allocated_vmid) + { + int retval; + +@@ -261,18 +165,8 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm, + if (retval) + goto out_unlock; + } ++ *allocated_vmid = qpd->vmid; + q->properties.vmid = qpd->vmid; +- /* +- * Eviction state logic: we only mark active queues as evicted +- * to avoid the overhead of restoring inactive queues later +- */ +- if (qpd->evicted) +- q->properties.is_evicted = (q->properties.queue_size > 0 && +- q->properties.queue_percent > 0 && +- q->properties.queue_address != 0); +- +- q->properties.tba_addr = qpd->tba_addr; +- q->properties.tma_addr = qpd->tma_addr; + + if (q->properties.type == KFD_QUEUE_TYPE_COMPUTE) + retval = create_compute_queue_nocpsch(dqm, q, qpd); +@@ -282,14 +176,14 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm, + retval = -EINVAL; + + if (retval) { +- if (list_empty(&qpd->queues_list)) ++ if (list_empty(&qpd->queues_list)) { + deallocate_vmid(dqm, qpd, q); +- ++ *allocated_vmid = 0; ++ } + goto out_unlock; + } + + list_add(&q->list, &qpd->queues_list); +- qpd->queue_count++; + if (q->properties.is_active) + dqm->queue_count++; + +@@ -324,8 +218,12 @@ static int allocate_hqd(struct device_queue_manager *dqm, struct queue *q) + continue; + + if (dqm->allocated_queues[pipe] != 0) { +- bit = ffs(dqm->allocated_queues[pipe]) - 1; +- dqm->allocated_queues[pipe] &= ~(1 << bit); ++ bit = find_first_bit( ++ (unsigned long *)&dqm->allocated_queues[pipe], ++ get_queues_per_pipe(dqm)); ++ ++ clear_bit(bit, ++ (unsigned long *)&dqm->allocated_queues[pipe]); + q->pipe = pipe; + q->queue = bit; + set = true; +@@ -346,7 +244,7 @@ static int allocate_hqd(struct device_queue_manager *dqm, struct queue *q) + static inline void deallocate_hqd(struct device_queue_manager *dqm, + struct queue *q) + { +- dqm->allocated_queues[q->pipe] |= (1 << q->queue); ++ set_bit(q->queue, (unsigned long *)&dqm->allocated_queues[q->pipe]); + } + + static int create_compute_queue_nocpsch(struct device_queue_manager *dqm, +@@ -364,24 +262,17 @@ static int create_compute_queue_nocpsch(struct device_queue_manager *dqm, + if (retval) + return retval; + +- retval = allocate_doorbell(qpd, q); +- if (retval) +- goto out_deallocate_hqd; +- + retval = mqd->init_mqd(mqd, &q->mqd, &q->mqd_mem_obj, + &q->gart_mqd_addr, &q->properties); + if (retval) +- goto out_deallocate_doorbell; ++ goto out_deallocate_hqd; + + pr_debug("Loading mqd to hqd on pipe %d, queue %d\n", + q->pipe, q->queue); + +- dqm->dev->kfd2kgd->alloc_memory_of_scratch( ++ dqm->dev->kfd2kgd->set_scratch_backing_va( + dqm->dev->kgd, qpd->sh_hidden_private_base, qpd->vmid); + +- if (!q->properties.is_active) +- return 0; +- + retval = mqd->load_mqd(mqd, q->mqd, q->pipe, q->queue, &q->properties, + q->process->mm); + if (retval) +@@ -391,84 +282,71 @@ static int create_compute_queue_nocpsch(struct device_queue_manager *dqm, + + out_uninit_mqd: + mqd->uninit_mqd(mqd, q->mqd, q->mqd_mem_obj); +-out_deallocate_doorbell: +- deallocate_doorbell(qpd, q); + out_deallocate_hqd: + deallocate_hqd(dqm, q); + + return retval; + } + +-/* Access to DQM has to be locked before calling destroy_queue_nocpsch_locked +- * to avoid asynchronized access +- */ +-static int destroy_queue_nocpsch_locked(struct device_queue_manager *dqm, ++static int destroy_queue_nocpsch(struct device_queue_manager *dqm, + struct qcm_process_device *qpd, + struct queue *q) + { + int retval; + struct mqd_manager *mqd; + +- mqd = dqm->ops.get_mqd_manager(dqm, +- get_mqd_type_from_queue_type(q->properties.type)); +- if (!mqd) +- return -ENOMEM; ++ retval = 0; ++ ++ mutex_lock(&dqm->lock); + + if (q->properties.type == KFD_QUEUE_TYPE_COMPUTE) { ++ mqd = dqm->ops.get_mqd_manager(dqm, KFD_MQD_TYPE_COMPUTE); ++ if (mqd == NULL) { ++ retval = -ENOMEM; ++ goto out; ++ } + deallocate_hqd(dqm, q); + } else if (q->properties.type == KFD_QUEUE_TYPE_SDMA) { ++ mqd = dqm->ops.get_mqd_manager(dqm, KFD_MQD_TYPE_SDMA); ++ if (mqd == NULL) { ++ retval = -ENOMEM; ++ goto out; ++ } + dqm->sdma_queue_count--; + deallocate_sdma_queue(dqm, q->sdma_id); + } else { + pr_debug("q->properties.type %d is invalid\n", + q->properties.type); +- return -EINVAL; ++ retval = -EINVAL; ++ goto out; + } +- dqm->total_queue_count--; +- +- deallocate_doorbell(qpd, q); + + retval = mqd->destroy_mqd(mqd, q->mqd, + KFD_PREEMPT_TYPE_WAVEFRONT_RESET, +- KFD_UNMAP_LATENCY_MS, ++ QUEUE_PREEMPT_DEFAULT_TIMEOUT_MS, + q->pipe, q->queue); +- if (retval == -ETIME) +- qpd->reset_wavefronts = true; ++ ++ if (retval) ++ goto out; + + mqd->uninit_mqd(mqd, q->mqd, q->mqd_mem_obj); + + list_del(&q->list); +- if (list_empty(&qpd->queues_list)) { +- if (qpd->reset_wavefronts) { +- pr_warn("Resetting wave fronts (nocpsch) on dev %p\n", +- dqm->dev); +- /* dbgdev_wave_reset_wavefronts has to be called before +- * deallocate_vmid(), i.e. when vmid is still in use. +- */ +- dbgdev_wave_reset_wavefronts(dqm->dev, +- qpd->pqm->process); +- qpd->reset_wavefronts = false; +- } +- ++ if (list_empty(&qpd->queues_list)) + deallocate_vmid(dqm, qpd, q); +- } +- qpd->queue_count--; + if (q->properties.is_active) + dqm->queue_count--; + +- return retval; +-} +- +-static int destroy_queue_nocpsch(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd, +- struct queue *q) +-{ +- int retval; ++ /* ++ * Unconditionally decrement this counter, regardless of the queue's ++ * type ++ */ ++ dqm->total_queue_count--; ++ pr_debug("Total of %d queues are accountable so far\n", ++ dqm->total_queue_count); + +- mutex_lock(&dqm->lock); +- retval = destroy_queue_nocpsch_locked(dqm, qpd, q); ++out: + mutex_unlock(&dqm->lock); +- + return retval; + } + +@@ -476,82 +354,39 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q) + { + int retval; + struct mqd_manager *mqd; +- struct kfd_process_device *pdd; +- + bool prev_active = false; + + mutex_lock(&dqm->lock); +- +- pdd = kfd_get_process_device_data(q->device, q->process); +- if (!pdd) { +- retval = -ENODEV; +- goto out_unlock; +- } + mqd = dqm->ops.get_mqd_manager(dqm, + get_mqd_type_from_queue_type(q->properties.type)); + if (!mqd) { + retval = -ENOMEM; + goto out_unlock; + } +- /* +- * Eviction state logic: we only mark active queues as evicted +- * to avoid the overhead of restoring inactive queues later +- */ +- if (pdd->qpd.evicted > 0) +- q->properties.is_evicted = (q->properties.queue_size > 0 && +- q->properties.queue_percent > 0 && +- q->properties.queue_address != 0); +- +- /* Save previous activity state for counters */ +- prev_active = q->properties.is_active; +- +- /* Make sure the queue is unmapped before updating the MQD */ +- if (dqm->sched_policy != KFD_SCHED_POLICY_NO_HWS) { +- retval = unmap_queues_cpsch(dqm, +- KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0); +- if (retval) { +- pr_err("unmap queue failed\n"); +- goto out_unlock; +- } +- } else if (prev_active && +- (q->properties.type == KFD_QUEUE_TYPE_COMPUTE || +- q->properties.type == KFD_QUEUE_TYPE_SDMA)) { +- retval = mqd->destroy_mqd(mqd, q->mqd, +- KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN, +- KFD_UNMAP_LATENCY_MS, q->pipe, q->queue); +- if (retval) { +- pr_err("destroy mqd failed\n"); +- goto out_unlock; +- } +- } + +- retval = mqd->update_mqd(mqd, q->mqd, &q->properties); ++ if (q->properties.is_active) ++ prev_active = true; + + /* +- * check active state vs. the previous state and modify +- * counter accordingly. map_queues_cpsch uses the +- * dqm->queue_count to determine whether a new runlist must be +- * uploaded. ++ * ++ * check active state vs. the previous state ++ * and modify counter accordingly + */ +- if (q->properties.is_active && !prev_active) ++ retval = mqd->update_mqd(mqd, q->mqd, &q->properties); ++ if ((q->properties.is_active) && (!prev_active)) + dqm->queue_count++; + else if (!q->properties.is_active && prev_active) + dqm->queue_count--; + +- if (dqm->sched_policy != KFD_SCHED_POLICY_NO_HWS) +- retval = map_queues_cpsch(dqm); +- else if (q->properties.is_active && +- (q->properties.type == KFD_QUEUE_TYPE_COMPUTE || +- q->properties.type == KFD_QUEUE_TYPE_SDMA)) +- retval = mqd->load_mqd(mqd, q->mqd, q->pipe, q->queue, +- &q->properties, q->process->mm); ++ if (sched_policy != KFD_SCHED_POLICY_NO_HWS) ++ retval = execute_queues_cpsch(dqm, false); + + out_unlock: + mutex_unlock(&dqm->lock); + return retval; + } + +-static struct mqd_manager *get_mqd_manager( ++static struct mqd_manager *get_mqd_manager_nocpsch( + struct device_queue_manager *dqm, enum KFD_MQD_TYPE type) + { + struct mqd_manager *mqd; +@@ -572,140 +407,11 @@ static struct mqd_manager *get_mqd_manager( + return mqd; + } + +-int process_evict_queues(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd) +-{ +- struct queue *q, *next; +- struct mqd_manager *mqd; +- struct kfd_process_device *pdd; +- int retval = 0; +- +- mutex_lock(&dqm->lock); +- if (qpd->evicted++ > 0) /* already evicted, do nothing */ +- goto out; +- +- pdd = qpd_to_pdd(qpd); +- pr_info_ratelimited("Evicting PASID %u queues\n", +- pdd->process->pasid); +- +- /* unactivate all active queues on the qpd */ +- list_for_each_entry_safe(q, next, &qpd->queues_list, list) { +- mqd = dqm->ops.get_mqd_manager(dqm, +- get_mqd_type_from_queue_type(q->properties.type)); +- if (!mqd) { /* should not be here */ +- pr_err("Cannot evict queue, mqd is NULL\n"); +- retval = -ENOMEM; +- goto out; +- } +- /* if the queue is not active anyway, it is not evicted */ +- if (q->properties.is_active) { +- q->properties.is_evicted = true; +- q->properties.is_active = false; +- } +- +- if (dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS && +- q->properties.is_evicted && +- (q->properties.type == KFD_QUEUE_TYPE_COMPUTE || +- q->properties.type == KFD_QUEUE_TYPE_SDMA)) +- retval = mqd->destroy_mqd(mqd, q->mqd, +- KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN, +- KFD_UNMAP_LATENCY_MS, q->pipe, q->queue); +- if (q->properties.is_evicted) +- dqm->queue_count--; +- } +- if (dqm->sched_policy != KFD_SCHED_POLICY_NO_HWS) +- retval = execute_queues_cpsch(dqm, +- qpd->is_debug ? +- KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES : +- KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0); +- +-out: +- mutex_unlock(&dqm->lock); +- return retval; +- +-} +- +-int process_restore_queues(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd) +-{ +- struct queue *q, *next; +- struct mqd_manager *mqd; +- int retval = 0; +- struct kfd_process_device *pdd; +- uint32_t pd_base; +- +- pdd = qpd_to_pdd(qpd); +- /* Retrieve PD base */ +- pd_base = dqm->dev->kfd2kgd->get_process_page_dir(pdd->vm); +- +- mutex_lock(&dqm->lock); +- if (qpd->evicted == 0) /* already restored, do nothing */ +- goto out_unlock; +- +- if (qpd->evicted > 1) { /* ref count still > 0, decrement & quit */ +- qpd->evicted--; +- goto out_unlock; +- } +- +- pr_info_ratelimited("Restoring PASID %u queues\n", +- pdd->process->pasid); +- +- /* Update PD Base in QPD */ +- qpd->page_table_base = pd_base; +- pr_debug("Updated PD address to 0x%08x\n", pd_base); +- +- if (dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS && +- !list_empty(&qpd->queues_list)) { +- dqm->dev->kfd2kgd->set_vm_context_page_table_base( +- dqm->dev->kgd, +- qpd->vmid, +- qpd->page_table_base); +- +- kfd_flush_tlb(dqm->dev, pdd->process); +- } +- +- /* activate all active queues on the qpd */ +- list_for_each_entry_safe(q, next, &qpd->queues_list, list) { +- mqd = dqm->ops.get_mqd_manager(dqm, +- get_mqd_type_from_queue_type(q->properties.type)); +- if (!mqd) { /* should not be here */ +- pr_err("Cannot restore queue, mqd is NULL\n"); +- retval = -ENOMEM; +- goto out_unlock; +- } +- if (q->properties.is_evicted) { +- q->properties.is_evicted = false; +- q->properties.is_active = true; +- +- if (dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS && +- (q->properties.type == KFD_QUEUE_TYPE_COMPUTE || +- q->properties.type == KFD_QUEUE_TYPE_SDMA)) +- retval = mqd->load_mqd(mqd, q->mqd, q->pipe, +- q->queue, &q->properties, +- q->process->mm); +- dqm->queue_count++; +- } +- } +- if (dqm->sched_policy != KFD_SCHED_POLICY_NO_HWS) +- retval = execute_queues_cpsch(dqm, +- KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0); +- +- if (retval == 0) +- qpd->evicted = 0; +- +-out_unlock: +- mutex_unlock(&dqm->lock); +- +- return retval; +-} +- +-static int register_process(struct device_queue_manager *dqm, ++static int register_process_nocpsch(struct device_queue_manager *dqm, + struct qcm_process_device *qpd) + { + struct device_process_node *n; + int retval; +- struct kfd_process_device *pdd; +- uint32_t pd_base; + + n = kzalloc(sizeof(*n), GFP_KERNEL); + if (!n) +@@ -713,18 +419,10 @@ static int register_process(struct device_queue_manager *dqm, + + n->qpd = qpd; + +- pdd = qpd_to_pdd(qpd); +- /* Retrieve PD base */ +- pd_base = dqm->dev->kfd2kgd->get_process_page_dir(pdd->vm); +- + mutex_lock(&dqm->lock); + list_add(&n->list, &dqm->queues); + +- /* Update PD Base in QPD */ +- qpd->page_table_base = pd_base; +- pr_debug("Updated PD address to 0x%08x\n", pd_base); +- +- retval = dqm->asic_ops.update_qpd(dqm, qpd); ++ retval = dqm->ops_asic_specific.register_process(dqm, qpd); + + dqm->processes_count++; + +@@ -733,7 +431,7 @@ static int register_process(struct device_queue_manager *dqm, + return retval; + } + +-static int unregister_process(struct device_queue_manager *dqm, ++static int unregister_process_nocpsch(struct device_queue_manager *dqm, + struct qcm_process_device *qpd) + { + int retval; +@@ -809,13 +507,13 @@ static int initialize_nocpsch(struct device_queue_manager *dqm) + dqm->allocated_queues[pipe] |= 1 << queue; + } + +- dqm->vmid_bitmap = (1 << dqm->dev->vm_info.vmid_num_kfd) - 1; +- dqm->sdma_bitmap = (1 << get_num_sdma_queues(dqm)) - 1; ++ dqm->vmid_bitmap = (1 << VMID_PER_DEVICE) - 1; ++ dqm->sdma_bitmap = (1 << CIK_SDMA_QUEUES) - 1; + + return 0; + } + +-static void uninitialize(struct device_queue_manager *dqm) ++static void uninitialize_nocpsch(struct device_queue_manager *dqm) + { + int i; + +@@ -831,12 +529,11 @@ static void uninitialize(struct device_queue_manager *dqm) + static int start_nocpsch(struct device_queue_manager *dqm) + { + init_interrupts(dqm); +- return pm_init(&dqm->packets, dqm, dqm->dev->mec_fw_version); ++ return 0; + } + + static int stop_nocpsch(struct device_queue_manager *dqm) + { +- pm_uninit(&dqm->packets); + return 0; + } + +@@ -848,8 +545,10 @@ static int allocate_sdma_queue(struct device_queue_manager *dqm, + if (dqm->sdma_bitmap == 0) + return -ENOMEM; + +- bit = ffs(dqm->sdma_bitmap) - 1; +- dqm->sdma_bitmap &= ~(1 << bit); ++ bit = find_first_bit((unsigned long *)&dqm->sdma_bitmap, ++ CIK_SDMA_QUEUES); ++ ++ clear_bit(bit, (unsigned long *)&dqm->sdma_bitmap); + *sdma_queue_id = bit; + + return 0; +@@ -858,9 +557,9 @@ static int allocate_sdma_queue(struct device_queue_manager *dqm, + static void deallocate_sdma_queue(struct device_queue_manager *dqm, + unsigned int sdma_queue_id) + { +- if (sdma_queue_id >= get_num_sdma_queues(dqm)) ++ if (sdma_queue_id >= CIK_SDMA_QUEUES) + return; +- dqm->sdma_bitmap |= (1 << sdma_queue_id); ++ set_bit(sdma_queue_id, (unsigned long *)&dqm->sdma_bitmap); + } + + static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm, +@@ -878,22 +577,18 @@ static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm, + if (retval) + return retval; + +- q->properties.sdma_queue_id = q->sdma_id / get_num_sdma_engines(dqm); +- q->properties.sdma_engine_id = q->sdma_id % get_num_sdma_engines(dqm); +- +- retval = allocate_doorbell(qpd, q); +- if (retval) +- goto out_deallocate_sdma_queue; ++ q->properties.sdma_queue_id = q->sdma_id % CIK_SDMA_QUEUES_PER_ENGINE; ++ q->properties.sdma_engine_id = q->sdma_id / CIK_SDMA_ENGINE_NUM; + + pr_debug("SDMA id is: %d\n", q->sdma_id); + pr_debug("SDMA queue id: %d\n", q->properties.sdma_queue_id); + pr_debug("SDMA engine id: %d\n", q->properties.sdma_engine_id); + +- dqm->asic_ops.init_sdma_vm(dqm, q, qpd); ++ dqm->ops_asic_specific.init_sdma_vm(dqm, q, qpd); + retval = mqd->init_mqd(mqd, &q->mqd, &q->mqd_mem_obj, + &q->gart_mqd_addr, &q->properties); + if (retval) +- goto out_deallocate_doorbell; ++ goto out_deallocate_sdma_queue; + + retval = mqd->load_mqd(mqd, q->mqd, 0, 0, &q->properties, NULL); + if (retval) +@@ -903,8 +598,6 @@ static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm, + + out_uninit_mqd: + mqd->uninit_mqd(mqd, q->mqd, q->mqd_mem_obj); +-out_deallocate_doorbell: +- deallocate_doorbell(qpd, q); + out_deallocate_sdma_queue: + deallocate_sdma_queue(dqm, q->sdma_id); + +@@ -920,7 +613,8 @@ static int set_sched_resources(struct device_queue_manager *dqm) + int i, mec; + struct scheduling_resources res; + +- res.vmid_mask = dqm->dev->shared_resources.compute_vmid_bitmap; ++ res.vmid_mask = (1 << VMID_PER_DEVICE) - 1; ++ res.vmid_mask <<= KFD_VMID_START_OFFSET; + + res.queue_mask = 0; + for (i = 0; i < KGD_MAX_QUEUES; ++i) { +@@ -958,6 +652,8 @@ static int set_sched_resources(struct device_queue_manager *dqm) + + static int initialize_cpsch(struct device_queue_manager *dqm) + { ++ int retval; ++ + pr_debug("num of pipes: %d\n", get_pipes_per_mec(dqm)); + + mutex_init(&dqm->lock); +@@ -965,18 +661,21 @@ static int initialize_cpsch(struct device_queue_manager *dqm) + dqm->queue_count = dqm->processes_count = 0; + dqm->sdma_queue_count = 0; + dqm->active_runlist = false; +- dqm->sdma_bitmap = (1 << get_num_sdma_queues(dqm)) - 1; ++ retval = dqm->ops_asic_specific.initialize(dqm); ++ if (retval) ++ mutex_destroy(&dqm->lock); + +- return 0; ++ return retval; + } + + static int start_cpsch(struct device_queue_manager *dqm) + { ++ struct device_process_node *node; + int retval; + + retval = 0; + +- retval = pm_init(&dqm->packets, dqm, dqm->dev->mec_fw_version); ++ retval = pm_init(&dqm->packets, dqm); + if (retval) + goto fail_packet_manager_init; + +@@ -998,9 +697,12 @@ static int start_cpsch(struct device_queue_manager *dqm) + + init_interrupts(dqm); + +- mutex_lock(&dqm->lock); +- execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0); +- mutex_unlock(&dqm->lock); ++ list_for_each_entry(node, &dqm->queues, list) ++ if (node->qpd->pqm->process && dqm->dev) ++ kfd_bind_process_to_device(dqm->dev, ++ node->qpd->pqm->process); ++ ++ execute_queues_cpsch(dqm, true); + + return 0; + fail_allocate_vidmem: +@@ -1012,12 +714,15 @@ static int start_cpsch(struct device_queue_manager *dqm) + + static int stop_cpsch(struct device_queue_manager *dqm) + { +- mutex_lock(&dqm->lock); +- +- unmap_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 0); ++ struct device_process_node *node; ++ struct kfd_process_device *pdd; + +- mutex_unlock(&dqm->lock); ++ destroy_queues_cpsch(dqm, true, true); + ++ list_for_each_entry(node, &dqm->queues, list) { ++ pdd = qpd_to_pdd(node->qpd); ++ pdd->bound = false; ++ } + kfd_gtt_sa_free(dqm->dev, dqm->fence_mem); + pm_uninit(&dqm->packets); + +@@ -1047,7 +752,7 @@ static int create_kernel_queue_cpsch(struct device_queue_manager *dqm, + list_add(&kq->list, &qpd->priv_queue_list); + dqm->queue_count++; + qpd->is_debug = true; +- execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0); ++ execute_queues_cpsch(dqm, false); + mutex_unlock(&dqm->lock); + + return 0; +@@ -1058,10 +763,12 @@ static void destroy_kernel_queue_cpsch(struct device_queue_manager *dqm, + struct qcm_process_device *qpd) + { + mutex_lock(&dqm->lock); ++ /* here we actually preempt the DIQ */ ++ destroy_queues_cpsch(dqm, true, false); + list_del(&kq->list); + dqm->queue_count--; + qpd->is_debug = false; +- execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 0); ++ execute_queues_cpsch(dqm, false); + /* + * Unconditionally decrement this counter, regardless of the queue's + * type. +@@ -1072,68 +779,55 @@ static void destroy_kernel_queue_cpsch(struct device_queue_manager *dqm, + mutex_unlock(&dqm->lock); + } + ++static void select_sdma_engine_id(struct queue *q) ++{ ++ static int sdma_id; ++ ++ q->sdma_id = sdma_id; ++ sdma_id = (sdma_id + 1) % 2; ++} ++ + static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q, +- struct qcm_process_device *qpd) ++ struct qcm_process_device *qpd, int *allocate_vmid) + { + int retval; + struct mqd_manager *mqd; + + retval = 0; + ++ if (allocate_vmid) ++ *allocate_vmid = 0; ++ + mutex_lock(&dqm->lock); + + if (dqm->total_queue_count >= max_num_of_queues_per_device) { + pr_warn("Can't create new usermode queue because %d queues were already created\n", + dqm->total_queue_count); + retval = -EPERM; +- goto out_unlock; +- } +- +- if (q->properties.type == KFD_QUEUE_TYPE_SDMA) { +- retval = allocate_sdma_queue(dqm, &q->sdma_id); +- if (retval) +- goto out_unlock; +- q->properties.sdma_queue_id = +- q->sdma_id / get_num_sdma_engines(dqm); +- q->properties.sdma_engine_id = +- q->sdma_id % get_num_sdma_engines(dqm); ++ goto out; + } + +- retval = allocate_doorbell(qpd, q); +- if (retval) +- goto out_deallocate_sdma_queue; ++ if (q->properties.type == KFD_QUEUE_TYPE_SDMA) ++ select_sdma_engine_id(q); + + mqd = dqm->ops.get_mqd_manager(dqm, + get_mqd_type_from_queue_type(q->properties.type)); + + if (!mqd) { + retval = -ENOMEM; +- goto out_deallocate_doorbell; ++ goto out; + } +- /* +- * Eviction state logic: we only mark active queues as evicted +- * to avoid the overhead of restoring inactive queues later +- */ +- if (qpd->evicted) +- q->properties.is_evicted = (q->properties.queue_size > 0 && +- q->properties.queue_percent > 0 && +- q->properties.queue_address != 0); + +- dqm->asic_ops.init_sdma_vm(dqm, q, qpd); +- +- q->properties.tba_addr = qpd->tba_addr; +- q->properties.tma_addr = qpd->tma_addr; ++ dqm->ops_asic_specific.init_sdma_vm(dqm, q, qpd); + retval = mqd->init_mqd(mqd, &q->mqd, &q->mqd_mem_obj, + &q->gart_mqd_addr, &q->properties); + if (retval) +- goto out_deallocate_doorbell; ++ goto out; + + list_add(&q->list, &qpd->queues_list); +- qpd->queue_count++; + if (q->properties.is_active) { + dqm->queue_count++; +- retval = execute_queues_cpsch(dqm, +- KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0); ++ retval = execute_queues_cpsch(dqm, false); + } + + if (q->properties.type == KFD_QUEUE_TYPE_SDMA) +@@ -1147,28 +841,19 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q, + pr_debug("Total of %d queues are accountable so far\n", + dqm->total_queue_count); + ++out: + mutex_unlock(&dqm->lock); + return retval; +- +-out_deallocate_doorbell: +- deallocate_doorbell(qpd, q); +-out_deallocate_sdma_queue: +- if (q->properties.type == KFD_QUEUE_TYPE_SDMA) +- deallocate_sdma_queue(dqm, q->sdma_id); +-out_unlock: +- mutex_unlock(&dqm->lock); +- +- return retval; + } + + int amdkfd_fence_wait_timeout(unsigned int *fence_addr, + unsigned int fence_value, +- unsigned int timeout_ms) ++ unsigned long timeout) + { +- unsigned long end_jiffies = msecs_to_jiffies(timeout_ms) + jiffies; ++ timeout += jiffies; + + while (*fence_addr != fence_value) { +- if (time_after(jiffies, end_jiffies)) { ++ if (time_after(jiffies, timeout)) { + pr_err("qcm fence wait loop timeout expired\n"); + return -ETIME; + } +@@ -1178,57 +863,44 @@ int amdkfd_fence_wait_timeout(unsigned int *fence_addr, + return 0; + } + +-static int unmap_sdma_queues(struct device_queue_manager *dqm, ++static int destroy_sdma_queues(struct device_queue_manager *dqm, + unsigned int sdma_engine) + { + return pm_send_unmap_queue(&dqm->packets, KFD_QUEUE_TYPE_SDMA, +- KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0, false, ++ KFD_PREEMPT_TYPE_FILTER_DYNAMIC_QUEUES, 0, false, + sdma_engine); + } + +-/* dqm->lock mutex has to be locked before calling this function */ +-static int map_queues_cpsch(struct device_queue_manager *dqm) ++static int destroy_queues_cpsch(struct device_queue_manager *dqm, ++ bool preempt_static_queues, bool lock) + { + int retval; ++ enum kfd_preempt_type_filter preempt_type; ++ struct kfd_process_device *pdd; + +- if (dqm->queue_count <= 0 || dqm->processes_count <= 0) +- return 0; +- +- if (dqm->active_runlist) +- return 0; +- +- retval = pm_send_runlist(&dqm->packets, &dqm->queues); +- if (retval) { +- pr_err("failed to execute runlist\n"); +- return retval; +- } +- dqm->active_runlist = true; +- +- return retval; +-} +- +-/* dqm->lock mutex has to be locked before calling this function */ +-static int unmap_queues_cpsch(struct device_queue_manager *dqm, +- enum kfd_unmap_queues_filter filter, +- uint32_t filter_param) +-{ +- int retval = 0; ++ retval = 0; + ++ if (lock) ++ mutex_lock(&dqm->lock); + if (!dqm->active_runlist) +- return retval; ++ goto out; + + pr_debug("Before destroying queues, sdma queue count is : %u\n", + dqm->sdma_queue_count); + + if (dqm->sdma_queue_count > 0) { +- unmap_sdma_queues(dqm, 0); +- unmap_sdma_queues(dqm, 1); ++ destroy_sdma_queues(dqm, 0); ++ destroy_sdma_queues(dqm, 1); + } + ++ preempt_type = preempt_static_queues ? ++ KFD_PREEMPT_TYPE_FILTER_ALL_QUEUES : ++ KFD_PREEMPT_TYPE_FILTER_DYNAMIC_QUEUES; ++ + retval = pm_send_unmap_queue(&dqm->packets, KFD_QUEUE_TYPE_COMPUTE, +- filter, filter_param, false, 0); ++ preempt_type, 0, false, 0); + if (retval) +- return retval; ++ goto out; + + *dqm->fence_addr = KFD_FENCE_INIT; + pm_send_query_status(&dqm->packets, dqm->fence_gpu_addr, +@@ -1236,29 +908,55 @@ static int unmap_queues_cpsch(struct device_queue_manager *dqm, + /* should be timed out */ + retval = amdkfd_fence_wait_timeout(dqm->fence_addr, KFD_FENCE_COMPLETED, + QUEUE_PREEMPT_DEFAULT_TIMEOUT_MS); +- if (retval) +- return retval; +- ++ if (retval) { ++ pdd = kfd_get_process_device_data(dqm->dev, ++ kfd_get_process(current)); ++ pdd->reset_wavefronts = true; ++ goto out; ++ } + pm_release_ib(&dqm->packets); + dqm->active_runlist = false; + ++out: ++ if (lock) ++ mutex_unlock(&dqm->lock); + return retval; + } + +-/* dqm->lock mutex has to be locked before calling this function */ +-static int execute_queues_cpsch(struct device_queue_manager *dqm, +- enum kfd_unmap_queues_filter filter, +- uint32_t filter_param) ++static int execute_queues_cpsch(struct device_queue_manager *dqm, bool lock) + { + int retval; + +- retval = unmap_queues_cpsch(dqm, filter, filter_param); ++ if (lock) ++ mutex_lock(&dqm->lock); ++ ++ retval = destroy_queues_cpsch(dqm, false, false); + if (retval) { +- pr_err("The cp might be in an unrecoverable state due to an unsuccessful queues preemption\n"); +- return retval; ++ pr_err("The cp might be in an unrecoverable state due to an unsuccessful queues preemption"); ++ goto out; ++ } ++ ++ if (dqm->queue_count <= 0 || dqm->processes_count <= 0) { ++ retval = 0; ++ goto out; ++ } ++ ++ if (dqm->active_runlist) { ++ retval = 0; ++ goto out; + } + +- return map_queues_cpsch(dqm); ++ retval = pm_send_runlist(&dqm->packets, &dqm->queues); ++ if (retval) { ++ pr_err("failed to execute runlist"); ++ goto out; ++ } ++ dqm->active_runlist = true; ++ ++out: ++ if (lock) ++ mutex_unlock(&dqm->lock); ++ return retval; + } + + static int destroy_queue_cpsch(struct device_queue_manager *dqm, +@@ -1293,22 +991,14 @@ static int destroy_queue_cpsch(struct device_queue_manager *dqm, + goto failed; + } + +- deallocate_doorbell(qpd, q); +- +- if (q->properties.type == KFD_QUEUE_TYPE_SDMA) { ++ if (q->properties.type == KFD_QUEUE_TYPE_SDMA) + dqm->sdma_queue_count--; +- deallocate_sdma_queue(dqm, q->sdma_id); +- } + + list_del(&q->list); +- qpd->queue_count--; +- if (q->properties.is_active) { ++ if (q->properties.is_active) + dqm->queue_count--; +- retval = execute_queues_cpsch(dqm, +- KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0); +- if (retval == -ETIME) +- qpd->reset_wavefronts = true; +- } ++ ++ execute_queues_cpsch(dqm, false); + + mqd->uninit_mqd(mqd, q->mqd, q->mqd_mem_obj); + +@@ -1322,7 +1012,7 @@ static int destroy_queue_cpsch(struct device_queue_manager *dqm, + + mutex_unlock(&dqm->lock); + +- return retval; ++ return 0; + + failed: + failed_try_destroy_debugged_queue: +@@ -1346,10 +1036,7 @@ static bool set_cache_memory_policy(struct device_queue_manager *dqm, + void __user *alternate_aperture_base, + uint64_t alternate_aperture_size) + { +- bool retval = true; +- +- if (!dqm->asic_ops.set_cache_memory_policy) +- return retval; ++ bool retval; + + mutex_lock(&dqm->lock); + +@@ -1381,7 +1068,7 @@ static bool set_cache_memory_policy(struct device_queue_manager *dqm, + qpd->sh_mem_ape1_limit = limit >> 16; + } + +- retval = dqm->asic_ops.set_cache_memory_policy( ++ retval = dqm->ops_asic_specific.set_cache_memory_policy( + dqm, + qpd, + default_policy, +@@ -1389,7 +1076,7 @@ static bool set_cache_memory_policy(struct device_queue_manager *dqm, + alternate_aperture_base, + alternate_aperture_size); + +- if ((dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS) && (qpd->vmid != 0)) ++ if ((sched_policy == KFD_SCHED_POLICY_NO_HWS) && (qpd->vmid != 0)) + program_sh_mem_settings(dqm, qpd); + + pr_debug("sh_mem_config: 0x%x, ape1_base: 0x%x, ape1_limit: 0x%x\n", +@@ -1401,166 +1088,6 @@ static bool set_cache_memory_policy(struct device_queue_manager *dqm, + return retval; + } + +-static int set_trap_handler(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd, +- uint64_t tba_addr, +- uint64_t tma_addr) +-{ +- uint64_t *tma; +- +- if (dqm->dev->cwsr_enabled) { +- /* Jump from CWSR trap handler to user trap */ +- tma = (uint64_t *)(qpd->cwsr_kaddr + KFD_CWSR_TMA_OFFSET); +- tma[0] = tba_addr; +- tma[1] = tma_addr; +- } else { +- qpd->tba_addr = tba_addr; +- qpd->tma_addr = tma_addr; +- } +- +- return 0; +-} +- +-static int process_termination_nocpsch(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd) +-{ +- struct queue *q, *next; +- struct device_process_node *cur, *next_dpn; +- int retval = 0; +- +- mutex_lock(&dqm->lock); +- +- /* Clear all user mode queues */ +- list_for_each_entry_safe(q, next, &qpd->queues_list, list) { +- int ret; +- +- ret = destroy_queue_nocpsch_locked(dqm, qpd, q); +- if (ret) +- retval = ret; +- } +- +- /* Unregister process */ +- list_for_each_entry_safe(cur, next_dpn, &dqm->queues, list) { +- if (qpd == cur->qpd) { +- list_del(&cur->list); +- kfree(cur); +- dqm->processes_count--; +- break; +- } +- } +- +- mutex_unlock(&dqm->lock); +- return retval; +-} +- +-static int get_wave_state(struct device_queue_manager *dqm, +- struct queue *q, +- void __user *ctl_stack, +- u32 *ctl_stack_used_size, +- u32 *save_area_used_size) +-{ +- struct mqd_manager *mqd; +- int r; +- +- mutex_lock(&dqm->lock); +- +- if (q->properties.type != KFD_QUEUE_TYPE_COMPUTE || +- q->properties.is_active || !q->device->cwsr_enabled) { +- r = -EINVAL; +- goto dqm_unlock; +- } +- +- mqd = dqm->ops.get_mqd_manager(dqm, KFD_MQD_TYPE_COMPUTE); +- if (!mqd) { +- r = -ENOMEM; +- goto dqm_unlock; +- } +- +- if (!mqd->get_wave_state) { +- r = -EINVAL; +- goto dqm_unlock; +- } +- +- r = mqd->get_wave_state(mqd, q->mqd, ctl_stack, ctl_stack_used_size, +- save_area_used_size); +- +-dqm_unlock: +- mutex_unlock(&dqm->lock); +- return r; +-} +- +-static int process_termination_cpsch(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd) +-{ +- int retval; +- struct queue *q, *next; +- struct kernel_queue *kq, *kq_next; +- struct mqd_manager *mqd; +- struct device_process_node *cur, *next_dpn; +- enum kfd_unmap_queues_filter filter = +- KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES; +- +- retval = 0; +- +- mutex_lock(&dqm->lock); +- +- /* Clean all kernel queues */ +- list_for_each_entry_safe(kq, kq_next, &qpd->priv_queue_list, list) { +- list_del(&kq->list); +- dqm->queue_count--; +- qpd->is_debug = false; +- dqm->total_queue_count--; +- filter = KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES; +- } +- +- /* Clear all user mode queues */ +- list_for_each_entry(q, &qpd->queues_list, list) { +- if (q->properties.type == KFD_QUEUE_TYPE_SDMA) { +- dqm->sdma_queue_count--; +- deallocate_sdma_queue(dqm, q->sdma_id); +- } +- +- if (q->properties.is_active) +- dqm->queue_count--; +- +- dqm->total_queue_count--; +- } +- +- /* Unregister process */ +- list_for_each_entry_safe(cur, next_dpn, &dqm->queues, list) { +- if (qpd == cur->qpd) { +- list_del(&cur->list); +- kfree(cur); +- dqm->processes_count--; +- break; +- } +- } +- +- retval = execute_queues_cpsch(dqm, filter, 0); +- if (retval || qpd->reset_wavefronts) { +- pr_warn("Resetting wave fronts (cpsch) on dev %p\n", dqm->dev); +- dbgdev_wave_reset_wavefronts(dqm->dev, qpd->pqm->process); +- qpd->reset_wavefronts = false; +- } +- +- /* lastly, free mqd resources */ +- list_for_each_entry_safe(q, next, &qpd->queues_list, list) { +- mqd = dqm->ops.get_mqd_manager(dqm, +- get_mqd_type_from_queue_type(q->properties.type)); +- if (!mqd) { +- retval = -ENOMEM; +- goto out; +- } +- list_del(&q->list); +- qpd->queue_count--; +- mqd->uninit_mqd(mqd, q->mqd, q->mqd_mem_obj); +- } +- +-out: +- mutex_unlock(&dqm->lock); +- return retval; +-} +- + struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev) + { + struct device_queue_manager *dqm; +@@ -1571,18 +1098,8 @@ struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev) + if (!dqm) + return NULL; + +- switch (dev->device_info->asic_family) { +- case CHIP_HAWAII: +- case CHIP_TONGA: +- dqm->sched_policy = KFD_SCHED_POLICY_NO_HWS; +- break; +- default: +- dqm->sched_policy = sched_policy; +- break; +- } +- + dqm->dev = dev; +- switch (dqm->sched_policy) { ++ switch (sched_policy) { + case KFD_SCHED_POLICY_HWS: + case KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION: + /* initialize dqm for cp scheduling */ +@@ -1592,16 +1109,13 @@ struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev) + dqm->ops.stop = stop_cpsch; + dqm->ops.destroy_queue = destroy_queue_cpsch; + dqm->ops.update_queue = update_queue; +- dqm->ops.get_mqd_manager = get_mqd_manager; +- dqm->ops.register_process = register_process; +- dqm->ops.unregister_process = unregister_process; +- dqm->ops.uninitialize = uninitialize; ++ dqm->ops.get_mqd_manager = get_mqd_manager_nocpsch; ++ dqm->ops.register_process = register_process_nocpsch; ++ dqm->ops.unregister_process = unregister_process_nocpsch; ++ dqm->ops.uninitialize = uninitialize_nocpsch; + dqm->ops.create_kernel_queue = create_kernel_queue_cpsch; + dqm->ops.destroy_kernel_queue = destroy_kernel_queue_cpsch; + dqm->ops.set_cache_memory_policy = set_cache_memory_policy; +- dqm->ops.set_trap_handler = set_trap_handler; +- dqm->ops.process_termination = process_termination_cpsch; +- dqm->ops.get_wave_state = get_wave_state; + break; + case KFD_SCHED_POLICY_NO_HWS: + /* initialize dqm for no cp scheduling */ +@@ -1610,49 +1124,26 @@ struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev) + dqm->ops.create_queue = create_queue_nocpsch; + dqm->ops.destroy_queue = destroy_queue_nocpsch; + dqm->ops.update_queue = update_queue; +- dqm->ops.get_mqd_manager = get_mqd_manager; +- dqm->ops.register_process = register_process; +- dqm->ops.unregister_process = unregister_process; ++ dqm->ops.get_mqd_manager = get_mqd_manager_nocpsch; ++ dqm->ops.register_process = register_process_nocpsch; ++ dqm->ops.unregister_process = unregister_process_nocpsch; + dqm->ops.initialize = initialize_nocpsch; +- dqm->ops.uninitialize = uninitialize; ++ dqm->ops.uninitialize = uninitialize_nocpsch; + dqm->ops.set_cache_memory_policy = set_cache_memory_policy; +- dqm->ops.set_trap_handler = set_trap_handler; +- dqm->ops.process_termination = process_termination_nocpsch; +- dqm->ops.get_wave_state = get_wave_state; + break; + default: +- pr_err("Invalid scheduling policy %d\n", dqm->sched_policy); ++ pr_err("Invalid scheduling policy %d\n", sched_policy); + goto out_free; + } + + switch (dev->device_info->asic_family) { + case CHIP_CARRIZO: +- device_queue_manager_init_vi(&dqm->asic_ops); ++ device_queue_manager_init_vi(&dqm->ops_asic_specific); + break; + + case CHIP_KAVERI: +- device_queue_manager_init_cik(&dqm->asic_ops); ++ device_queue_manager_init_cik(&dqm->ops_asic_specific); + break; +- +- case CHIP_HAWAII: +- device_queue_manager_init_cik_hawaii(&dqm->asic_ops); +- break; +- +- case CHIP_TONGA: +- case CHIP_FIJI: +- case CHIP_POLARIS10: +- case CHIP_POLARIS11: +- device_queue_manager_init_vi_tonga(&dqm->asic_ops); +- break; +- +- case CHIP_VEGA10: +- case CHIP_RAVEN: +- device_queue_manager_init_v9_vega10(&dqm->asic_ops); +- break; +- default: +- WARN(1, "Unexpected ASIC family %u", +- dev->device_info->asic_family); +- goto out_free; + } + + if (!dqm->ops.initialize(dqm)) +@@ -1668,87 +1159,3 @@ void device_queue_manager_uninit(struct device_queue_manager *dqm) + dqm->ops.uninitialize(dqm); + kfree(dqm); + } +- +-int kfd_process_vm_fault(struct device_queue_manager *dqm, +- unsigned int pasid) +-{ +- struct kfd_process_device *pdd; +- struct kfd_process *p = kfd_lookup_process_by_pasid(pasid); +- int ret = 0; +- +- if (!p) +- return -EINVAL; +- pdd = kfd_get_process_device_data(dqm->dev, p); +- if (pdd) +- ret = process_evict_queues(dqm, &pdd->qpd); +- kfd_unref_process(p); +- +- return ret; +-} +- +-static void seq_reg_dump(struct seq_file *m, +- uint32_t (*dump)[2], uint32_t n_regs) +-{ +- uint32_t i, count; +- +- for (i = 0, count = 0; i < n_regs; i++) { +- if (count == 0 || +- dump[i-1][0] + sizeof(uint32_t) != dump[i][0]) { +- seq_printf(m, "%s %08x: %08x", +- i ? "\n" : "", +- dump[i][0], dump[i][1]); +- count = 7; +- } else { +- seq_printf(m, " %08x", dump[i][1]); +- count--; +- } +- } +- +- seq_puts(m, "\n"); +-} +- +-int device_queue_manager_debugfs_hqds(struct seq_file *m, void *data) +-{ +- struct device_queue_manager *dqm = data; +- uint32_t (*dump)[2], n_regs; +- int pipe, queue; +- int r = 0; +- +- for (pipe = 0; pipe < get_pipes_per_mec(dqm); pipe++) { +- int pipe_offset = pipe * get_queues_per_pipe(dqm); +- +- for (queue = 0; queue < get_queues_per_pipe(dqm); queue++) { +- if (!test_bit(pipe_offset + queue, +- dqm->dev->shared_resources.queue_bitmap)) +- continue; +- +- r = dqm->dev->kfd2kgd->hqd_dump( +- dqm->dev->kgd, pipe, queue, &dump, &n_regs); +- if (r) +- break; +- +- seq_printf(m, " CP Pipe %d, Queue %d\n", +- pipe, queue); +- seq_reg_dump(m, dump, n_regs); +- +- kfree(dump); +- } +- } +- +- for (pipe = 0; pipe < get_num_sdma_engines(dqm); pipe++) { +- for (queue = 0; queue < KFD_SDMA_QUEUES_PER_ENGINE; queue++) { +- r = dqm->dev->kfd2kgd->hqd_sdma_dump( +- dqm->dev->kgd, pipe, queue, &dump, &n_regs); +- if (r) +- break; +- +- seq_printf(m, " SDMA Engine %d, RLC %d\n", +- pipe, queue); +- seq_reg_dump(m, dump, n_regs); +- +- kfree(dump); +- } +- } +- +- return r; +-} +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h +index 9785680..faf820a 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h +@@ -29,10 +29,14 @@ + #include "kfd_priv.h" + #include "kfd_mqd_manager.h" + +-#define KFD_UNMAP_LATENCY_MS (4000) +-#define QUEUE_PREEMPT_DEFAULT_TIMEOUT_MS (2 * KFD_UNMAP_LATENCY_MS + 1000) +- +-#define KFD_SDMA_QUEUES_PER_ENGINE (2) ++#define QUEUE_PREEMPT_DEFAULT_TIMEOUT_MS (500) ++#define CIK_VMID_NUM (8) ++#define KFD_VMID_START_OFFSET (8) ++#define VMID_PER_DEVICE CIK_VMID_NUM ++#define KFD_DQM_FIRST_PIPE (0) ++#define CIK_SDMA_QUEUES (4) ++#define CIK_SDMA_QUEUES_PER_ENGINE (2) ++#define CIK_SDMA_ENGINE_NUM (2) + + struct device_process_node { + struct qcm_process_device *qpd; +@@ -75,16 +79,13 @@ struct device_process_node { + * @set_cache_memory_policy: Sets memory policy (cached/ non cached) for the + * memory apertures. + * +- * @process_termination: Clears all process queues belongs to that device. +- * +- * @get_wave_state: Retrieves context save state and optionally copies the +- * control stack, if kept in the MQD, to the given userspace address. + */ + + struct device_queue_manager_ops { + int (*create_queue)(struct device_queue_manager *dqm, + struct queue *q, +- struct qcm_process_device *qpd); ++ struct qcm_process_device *qpd, ++ int *allocate_vmid); + + int (*destroy_queue)(struct device_queue_manager *dqm, + struct qcm_process_device *qpd, +@@ -121,25 +122,12 @@ struct device_queue_manager_ops { + enum cache_policy alternate_policy, + void __user *alternate_aperture_base, + uint64_t alternate_aperture_size); +- +- int (*set_trap_handler)(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd, +- uint64_t tba_addr, +- uint64_t tma_addr); +- +- int (*process_termination)(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd); +- +- int (*get_wave_state)(struct device_queue_manager *dqm, +- struct queue *q, +- void __user *ctl_stack, +- u32 *ctl_stack_used_size, +- u32 *save_area_used_size); + }; + + struct device_queue_manager_asic_ops { +- int (*update_qpd)(struct device_queue_manager *dqm, ++ int (*register_process)(struct device_queue_manager *dqm, + struct qcm_process_device *qpd); ++ int (*initialize)(struct device_queue_manager *dqm); + bool (*set_cache_memory_policy)(struct device_queue_manager *dqm, + struct qcm_process_device *qpd, + enum cache_policy default_policy, +@@ -165,7 +153,7 @@ struct device_queue_manager_asic_ops { + + struct device_queue_manager { + struct device_queue_manager_ops ops; +- struct device_queue_manager_asic_ops asic_ops; ++ struct device_queue_manager_asic_ops ops_asic_specific; + + struct mqd_manager *mqds[KFD_MQD_TYPE_MAX]; + struct packet_manager packets; +@@ -186,38 +174,21 @@ struct device_queue_manager { + unsigned int *fence_addr; + struct kfd_mem_obj *fence_mem; + bool active_runlist; +- int sched_policy; + }; + +-void device_queue_manager_init_cik( +- struct device_queue_manager_asic_ops *asic_ops); +-void device_queue_manager_init_cik_hawaii( +- struct device_queue_manager_asic_ops *asic_ops); +-void device_queue_manager_init_vi( +- struct device_queue_manager_asic_ops *asic_ops); +-void device_queue_manager_init_vi_tonga( +- struct device_queue_manager_asic_ops *asic_ops); +-void device_queue_manager_init_v9_vega10( +- struct device_queue_manager_asic_ops *asic_ops); ++void device_queue_manager_init_cik(struct device_queue_manager_asic_ops *ops); ++void device_queue_manager_init_vi(struct device_queue_manager_asic_ops *ops); + void program_sh_mem_settings(struct device_queue_manager *dqm, + struct qcm_process_device *qpd); + unsigned int get_queues_num(struct device_queue_manager *dqm); + unsigned int get_queues_per_pipe(struct device_queue_manager *dqm); + unsigned int get_pipes_per_mec(struct device_queue_manager *dqm); +-unsigned int get_num_sdma_queues(struct device_queue_manager *dqm); +- +-int process_evict_queues(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd); +-int process_restore_queues(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd); +- + + static inline unsigned int get_sh_mem_bases_32(struct kfd_process_device *pdd) + { + return (pdd->lds_base >> 16) & 0xFF; + } + +-/* This function is only useful for GFXv7 and v8 */ + static inline unsigned int + get_sh_mem_bases_nybble_64(struct kfd_process_device *pdd) + { +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_cik.c +index aed4c21..72c3cba 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_cik.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_cik.c +@@ -32,30 +32,18 @@ static bool set_cache_memory_policy_cik(struct device_queue_manager *dqm, + enum cache_policy alternate_policy, + void __user *alternate_aperture_base, + uint64_t alternate_aperture_size); +-static int update_qpd_cik(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd); +-static int update_qpd_cik_hawaii(struct device_queue_manager *dqm, ++static int register_process_cik(struct device_queue_manager *dqm, + struct qcm_process_device *qpd); ++static int initialize_cpsch_cik(struct device_queue_manager *dqm); + static void init_sdma_vm(struct device_queue_manager *dqm, struct queue *q, + struct qcm_process_device *qpd); +-static void init_sdma_vm_hawaii(struct device_queue_manager *dqm, +- struct queue *q, +- struct qcm_process_device *qpd); +- +-void device_queue_manager_init_cik( +- struct device_queue_manager_asic_ops *asic_ops) +-{ +- asic_ops->set_cache_memory_policy = set_cache_memory_policy_cik; +- asic_ops->update_qpd = update_qpd_cik; +- asic_ops->init_sdma_vm = init_sdma_vm; +-} + +-void device_queue_manager_init_cik_hawaii( +- struct device_queue_manager_asic_ops *asic_ops) ++void device_queue_manager_init_cik(struct device_queue_manager_asic_ops *ops) + { +- asic_ops->set_cache_memory_policy = set_cache_memory_policy_cik; +- asic_ops->update_qpd = update_qpd_cik_hawaii; +- asic_ops->init_sdma_vm = init_sdma_vm_hawaii; ++ ops->set_cache_memory_policy = set_cache_memory_policy_cik; ++ ops->register_process = register_process_cik; ++ ops->initialize = initialize_cpsch_cik; ++ ops->init_sdma_vm = init_sdma_vm; + } + + static uint32_t compute_sh_mem_bases_64bit(unsigned int top_address_nybble) +@@ -111,7 +99,7 @@ static bool set_cache_memory_policy_cik(struct device_queue_manager *dqm, + return true; + } + +-static int update_qpd_cik(struct device_queue_manager *dqm, ++static int register_process_cik(struct device_queue_manager *dqm, + struct qcm_process_device *qpd) + { + struct kfd_process_device *pdd; +@@ -145,36 +133,6 @@ static int update_qpd_cik(struct device_queue_manager *dqm, + return 0; + } + +-static int update_qpd_cik_hawaii(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd) +-{ +- struct kfd_process_device *pdd; +- unsigned int temp; +- +- pdd = qpd_to_pdd(qpd); +- +- /* check if sh_mem_config register already configured */ +- if (qpd->sh_mem_config == 0) { +- qpd->sh_mem_config = +- ALIGNMENT_MODE(SH_MEM_ALIGNMENT_MODE_UNALIGNED) | +- DEFAULT_MTYPE(MTYPE_NONCACHED) | +- APE1_MTYPE(MTYPE_NONCACHED); +- qpd->sh_mem_ape1_limit = 0; +- qpd->sh_mem_ape1_base = 0; +- } +- +- /* On dGPU we're always in GPUVM64 addressing mode with 64-bit +- * aperture addresses. +- */ +- temp = get_sh_mem_bases_nybble_64(pdd); +- qpd->sh_mem_bases = compute_sh_mem_bases_64bit(temp); +- +- pr_debug("is32bit process: %d sh_mem_bases nybble: 0x%X and register 0x%X\n", +- qpd->pqm->process->is_32bit_user_mode, temp, qpd->sh_mem_bases); +- +- return 0; +-} +- + static void init_sdma_vm(struct device_queue_manager *dqm, struct queue *q, + struct qcm_process_device *qpd) + { +@@ -191,15 +149,7 @@ static void init_sdma_vm(struct device_queue_manager *dqm, struct queue *q, + q->properties.sdma_vm_addr = value; + } + +-static void init_sdma_vm_hawaii(struct device_queue_manager *dqm, +- struct queue *q, +- struct qcm_process_device *qpd) ++static int initialize_cpsch_cik(struct device_queue_manager *dqm) + { +- /* On dGPU we're always in GPUVM64 addressing mode with 64-bit +- * aperture addresses. +- */ +- q->properties.sdma_vm_addr = +- ((get_sh_mem_bases_nybble_64(qpd_to_pdd(qpd))) << +- SDMA0_RLC0_VIRTUAL_ADDR__SHARED_BASE__SHIFT) & +- SDMA0_RLC0_VIRTUAL_ADDR__SHARED_BASE_MASK; ++ return 0; + } +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v9.c +deleted file mode 100644 +index 9c6c83a9..0000000 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v9.c ++++ /dev/null +@@ -1,83 +0,0 @@ +-/* +- * Copyright 2016 Advanced Micro Devices, Inc. +- * +- * Permission is hereby granted, free of charge, to any person obtaining a +- * copy of this software and associated documentation files (the "Software"), +- * to deal in the Software without restriction, including without limitation +- * the rights to use, copy, modify, merge, publish, distribute, sublicense, +- * and/or sell copies of the Software, and to permit persons to whom the +- * Software is furnished to do so, subject to the following conditions: +- * +- * The above copyright notice and this permission notice shall be included in +- * all copies or substantial portions of the Software. +- * +- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR +- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +- * OTHER DEALINGS IN THE SOFTWARE. +- * +- */ +- +-#include "kfd_device_queue_manager.h" +-#include "vega10_enum.h" +-#include "gc/gc_9_0_offset.h" +-#include "gc/gc_9_0_sh_mask.h" +-#include "sdma0/sdma0_4_0_sh_mask.h" +- +-static int update_qpd_v9(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd); +-static void init_sdma_vm_v9(struct device_queue_manager *dqm, struct queue *q, +- struct qcm_process_device *qpd); +- +-void device_queue_manager_init_v9_vega10( +- struct device_queue_manager_asic_ops *asic_ops) +-{ +- asic_ops->update_qpd = update_qpd_v9; +- asic_ops->init_sdma_vm = init_sdma_vm_v9; +-} +- +-static uint32_t compute_sh_mem_bases_64bit(struct kfd_process_device *pdd) +-{ +- uint32_t shared_base = pdd->lds_base >> 48; +- uint32_t private_base = pdd->scratch_base >> 48; +- +- return (shared_base << SH_MEM_BASES__SHARED_BASE__SHIFT) | +- private_base; +-} +- +-static int update_qpd_v9(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd) +-{ +- struct kfd_process_device *pdd; +- +- pdd = qpd_to_pdd(qpd); +- +- /* check if sh_mem_config register already configured */ +- if (qpd->sh_mem_config == 0) { +- qpd->sh_mem_config = +- SH_MEM_ALIGNMENT_MODE_UNALIGNED << +- SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT; +- if (vega10_noretry) +- qpd->sh_mem_config |= +- 1 << SH_MEM_CONFIG__RETRY_DISABLE__SHIFT; +- +- qpd->sh_mem_ape1_limit = 0; +- qpd->sh_mem_ape1_base = 0; +- } +- +- qpd->sh_mem_bases = compute_sh_mem_bases_64bit(pdd); +- +- pr_debug("sh_mem_bases 0x%X\n", qpd->sh_mem_bases); +- +- return 0; +-} +- +-static void init_sdma_vm_v9(struct device_queue_manager *dqm, struct queue *q, +- struct qcm_process_device *qpd) +-{ +- /* Not needed on SDMAv4 any more */ +- q->properties.sdma_vm_addr = 0; +-} +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_vi.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_vi.c +index 030b014..40e9ddd 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_vi.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_vi.c +@@ -33,41 +33,18 @@ static bool set_cache_memory_policy_vi(struct device_queue_manager *dqm, + enum cache_policy alternate_policy, + void __user *alternate_aperture_base, + uint64_t alternate_aperture_size); +-static int update_qpd_vi(struct device_queue_manager *dqm, ++static int register_process_vi(struct device_queue_manager *dqm, + struct qcm_process_device *qpd); ++static int initialize_cpsch_vi(struct device_queue_manager *dqm); + static void init_sdma_vm(struct device_queue_manager *dqm, struct queue *q, + struct qcm_process_device *qpd); + +-/* +- * Tonga device queue manager functions +- */ +-static bool set_cache_memory_policy_vi_tonga(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd, +- enum cache_policy default_policy, +- enum cache_policy alternate_policy, +- void __user *alternate_aperture_base, +- uint64_t alternate_aperture_size); +-static int update_qpd_vi_tonga(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd); +-static void init_sdma_vm_tonga(struct device_queue_manager *dqm, +- struct queue *q, +- struct qcm_process_device *qpd); +- +-void device_queue_manager_init_vi_tonga( +- struct device_queue_manager_asic_ops *asic_ops) ++void device_queue_manager_init_vi(struct device_queue_manager_asic_ops *ops) + { +- asic_ops->set_cache_memory_policy = set_cache_memory_policy_vi_tonga; +- asic_ops->update_qpd = update_qpd_vi_tonga; +- asic_ops->init_sdma_vm = init_sdma_vm_tonga; +-} +- +- +-void device_queue_manager_init_vi( +- struct device_queue_manager_asic_ops *asic_ops) +-{ +- asic_ops->set_cache_memory_policy = set_cache_memory_policy_vi; +- asic_ops->update_qpd = update_qpd_vi; +- asic_ops->init_sdma_vm = init_sdma_vm; ++ ops->set_cache_memory_policy = set_cache_memory_policy_vi; ++ ops->register_process = register_process_vi; ++ ops->initialize = initialize_cpsch_vi; ++ ops->init_sdma_vm = init_sdma_vm; + } + + static uint32_t compute_sh_mem_bases_64bit(unsigned int top_address_nybble) +@@ -127,34 +104,7 @@ static bool set_cache_memory_policy_vi(struct device_queue_manager *dqm, + return true; + } + +-static bool set_cache_memory_policy_vi_tonga(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd, +- enum cache_policy default_policy, +- enum cache_policy alternate_policy, +- void __user *alternate_aperture_base, +- uint64_t alternate_aperture_size) +-{ +- uint32_t default_mtype; +- uint32_t ape1_mtype; +- +- default_mtype = (default_policy == cache_policy_coherent) ? +- MTYPE_UC : +- MTYPE_NC; +- +- ape1_mtype = (alternate_policy == cache_policy_coherent) ? +- MTYPE_UC : +- MTYPE_NC; +- +- qpd->sh_mem_config = +- SH_MEM_ALIGNMENT_MODE_UNALIGNED << +- SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT | +- default_mtype << SH_MEM_CONFIG__DEFAULT_MTYPE__SHIFT | +- ape1_mtype << SH_MEM_CONFIG__APE1_MTYPE__SHIFT; +- +- return true; +-} +- +-static int update_qpd_vi(struct device_queue_manager *dqm, ++static int register_process_vi(struct device_queue_manager *dqm, + struct qcm_process_device *qpd) + { + struct kfd_process_device *pdd; +@@ -195,40 +145,6 @@ static int update_qpd_vi(struct device_queue_manager *dqm, + return 0; + } + +-static int update_qpd_vi_tonga(struct device_queue_manager *dqm, +- struct qcm_process_device *qpd) +-{ +- struct kfd_process_device *pdd; +- unsigned int temp; +- +- pdd = qpd_to_pdd(qpd); +- +- /* check if sh_mem_config register already configured */ +- if (qpd->sh_mem_config == 0) { +- qpd->sh_mem_config = +- SH_MEM_ALIGNMENT_MODE_UNALIGNED << +- SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT | +- MTYPE_UC << +- SH_MEM_CONFIG__DEFAULT_MTYPE__SHIFT | +- MTYPE_UC << +- SH_MEM_CONFIG__APE1_MTYPE__SHIFT; +- +- qpd->sh_mem_ape1_limit = 0; +- qpd->sh_mem_ape1_base = 0; +- } +- +- /* On dGPU we're always in GPUVM64 addressing mode with 64-bit +- * aperture addresses. +- */ +- temp = get_sh_mem_bases_nybble_64(pdd); +- qpd->sh_mem_bases = compute_sh_mem_bases_64bit(temp); +- +- pr_debug("sh_mem_bases nybble: 0x%X and register 0x%X\n", +- temp, qpd->sh_mem_bases); +- +- return 0; +-} +- + static void init_sdma_vm(struct device_queue_manager *dqm, struct queue *q, + struct qcm_process_device *qpd) + { +@@ -245,15 +161,7 @@ static void init_sdma_vm(struct device_queue_manager *dqm, struct queue *q, + q->properties.sdma_vm_addr = value; + } + +-static void init_sdma_vm_tonga(struct device_queue_manager *dqm, +- struct queue *q, +- struct qcm_process_device *qpd) ++static int initialize_cpsch_vi(struct device_queue_manager *dqm) + { +- /* On dGPU we're always in GPUVM64 addressing mode with 64-bit +- * aperture addresses. +- */ +- q->properties.sdma_vm_addr = +- ((get_sh_mem_bases_nybble_64(qpd_to_pdd(qpd))) << +- SDMA0_RLC0_VIRTUAL_ADDR__SHARED_BASE__SHIFT) & +- SDMA0_RLC0_VIRTUAL_ADDR__SHARED_BASE_MASK; ++ return 0; + } +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c +index fc41689..acf4d2a 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c +@@ -24,15 +24,17 @@ + #include <linux/mman.h> + #include <linux/slab.h> + #include <linux/io.h> +-#include <linux/idr.h> + + /* +- * This extension supports a kernel level doorbells management for the +- * kernel queues using the first doorbell page reserved for the kernel. ++ * This extension supports a kernel level doorbells management for ++ * the kernel queues. ++ * Basically the last doorbells page is devoted to kernel queues ++ * and that's assures that any user process won't get access to the ++ * kernel doorbells page + */ + +-static DEFINE_IDA(doorbell_ida); +-static unsigned int max_doorbell_slices; ++#define KERNEL_DOORBELL_PASID 1 ++#define KFD_SIZE_OF_DOORBELL_IN_BYTES 4 + + /* + * Each device exposes a doorbell aperture, a PCI MMIO aperture that +@@ -49,9 +51,9 @@ static unsigned int max_doorbell_slices; + */ + + /* # of doorbell bytes allocated for each process. */ +-size_t kfd_doorbell_process_slice(struct kfd_dev *kfd) ++static inline size_t doorbell_process_allocation(void) + { +- return roundup(kfd->device_info->doorbell_size * ++ return roundup(KFD_SIZE_OF_DOORBELL_IN_BYTES * + KFD_MAX_NUM_OF_QUEUES_PER_PROCESS, + PAGE_SIZE); + } +@@ -71,30 +73,27 @@ int kfd_doorbell_init(struct kfd_dev *kfd) + + doorbell_start_offset = + roundup(kfd->shared_resources.doorbell_start_offset, +- kfd_doorbell_process_slice(kfd)); ++ doorbell_process_allocation()); + + doorbell_aperture_size = + rounddown(kfd->shared_resources.doorbell_aperture_size, +- kfd_doorbell_process_slice(kfd)); ++ doorbell_process_allocation()); + + if (doorbell_aperture_size > doorbell_start_offset) + doorbell_process_limit = + (doorbell_aperture_size - doorbell_start_offset) / +- kfd_doorbell_process_slice(kfd); ++ doorbell_process_allocation(); + else +- return -ENOSPC; +- +- if (!max_doorbell_slices || +- doorbell_process_limit < max_doorbell_slices) +- max_doorbell_slices = doorbell_process_limit; ++ doorbell_process_limit = 0; + + kfd->doorbell_base = kfd->shared_resources.doorbell_physical_address + + doorbell_start_offset; + + kfd->doorbell_id_offset = doorbell_start_offset / sizeof(u32); ++ kfd->doorbell_process_limit = doorbell_process_limit - 1; + + kfd->doorbell_kernel_ptr = ioremap(kfd->doorbell_base, +- kfd_doorbell_process_slice(kfd)); ++ doorbell_process_allocation()); + + if (!kfd->doorbell_kernel_ptr) + return -ENOMEM; +@@ -115,7 +114,8 @@ int kfd_doorbell_init(struct kfd_dev *kfd) + pr_debug("doorbell aperture size == 0x%08lX\n", + kfd->shared_resources.doorbell_aperture_size); + +- pr_debug("doorbell kernel address == 0x%p\n", kfd->doorbell_kernel_ptr); ++ pr_debug("doorbell kernel address == 0x%08lX\n", ++ (uintptr_t)kfd->doorbell_kernel_ptr); + + return 0; + } +@@ -126,16 +126,21 @@ void kfd_doorbell_fini(struct kfd_dev *kfd) + iounmap(kfd->doorbell_kernel_ptr); + } + +-int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process, +- struct vm_area_struct *vma) ++int kfd_doorbell_mmap(struct kfd_process *process, struct vm_area_struct *vma) + { + phys_addr_t address; ++ struct kfd_dev *dev; + + /* + * For simplicitly we only allow mapping of the entire doorbell + * allocation of a single device & process. + */ +- if (vma->vm_end - vma->vm_start != kfd_doorbell_process_slice(dev)) ++ if (vma->vm_end - vma->vm_start != doorbell_process_allocation()) ++ return -EINVAL; ++ ++ /* Find kfd device according to gpu id */ ++ dev = kfd_device_by_id(vma->vm_pgoff); ++ if (!dev) + return -EINVAL; + + /* Calculate physical address of doorbell */ +@@ -152,19 +157,19 @@ int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process, + " vm_flags == 0x%04lX\n" + " size == 0x%04lX\n", + (unsigned long long) vma->vm_start, address, vma->vm_flags, +- kfd_doorbell_process_slice(dev)); ++ doorbell_process_allocation()); + + + return io_remap_pfn_range(vma, + vma->vm_start, + address >> PAGE_SHIFT, +- kfd_doorbell_process_slice(dev), ++ doorbell_process_allocation(), + vma->vm_page_prot); + } + + + /* get kernel iomem pointer for a doorbell */ +-void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, ++u32 __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, + unsigned int *doorbell_off) + { + u32 inx; +@@ -179,18 +184,17 @@ void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, + if (inx >= KFD_MAX_NUM_OF_QUEUES_PER_PROCESS) + return NULL; + +- inx *= kfd->device_info->doorbell_size / sizeof(u32); +- + /* +- * Calculating the kernel doorbell offset using the first +- * doorbell page. ++ * Calculating the kernel doorbell offset using "faked" kernel ++ * pasid that allocated for kernel queues only + */ +- *doorbell_off = kfd->doorbell_id_offset + inx; ++ *doorbell_off = KERNEL_DOORBELL_PASID * (doorbell_process_allocation() / ++ sizeof(u32)) + inx; + + pr_debug("Get kernel queue doorbell\n" + " doorbell offset == 0x%08X\n" +- " kernel address == 0x%p\n", +- *doorbell_off, (kfd->doorbell_kernel_ptr + inx)); ++ " kernel address == 0x%08lX\n", ++ *doorbell_off, (uintptr_t)(kfd->doorbell_kernel_ptr + inx)); + + return kfd->doorbell_kernel_ptr + inx; + } +@@ -206,7 +210,7 @@ void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr) + mutex_unlock(&kfd->doorbell_mutex); + } + +-void write_kernel_doorbell(void __iomem *db, u32 value) ++inline void write_kernel_doorbell(u32 __iomem *db, u32 value) + { + if (db) { + writel(value, db); +@@ -214,40 +218,29 @@ void write_kernel_doorbell(void __iomem *db, u32 value) + } + } + +-void write_kernel_doorbell64(void __iomem *db, u64 value) +-{ +- if (db) { +- WARN(((unsigned long)db & 7) != 0, +- "Unaligned 64-bit doorbell"); +- writeq(value, (u64 __iomem *)db); +- pr_debug("writing %llu to doorbell address 0x%p\n", value, db); +- } +-} +- + /* + * queue_ids are in the range [0,MAX_PROCESS_QUEUES) and are mapped 1:1 + * to doorbells with the process's doorbell page + */ +-unsigned int kfd_doorbell_id_to_offset(struct kfd_dev *kfd, ++unsigned int kfd_queue_id_to_doorbell(struct kfd_dev *kfd, + struct kfd_process *process, +- unsigned int doorbell_id) ++ unsigned int queue_id) + { + /* + * doorbell_id_offset accounts for doorbells taken by KGD. +- * index * kfd_doorbell_process_slice/sizeof(u32) adjusts to +- * the process's doorbells. The offset returned is in dword +- * units regardless of the ASIC-dependent doorbell size. ++ * pasid * doorbell_process_allocation/sizeof(u32) adjusts ++ * to the process's doorbells + */ + return kfd->doorbell_id_offset + +- process->doorbell_index * (kfd_doorbell_process_slice(kfd)/sizeof(u32)) + +- doorbell_id * kfd->device_info->doorbell_size / sizeof(u32); ++ process->pasid * (doorbell_process_allocation()/sizeof(u32)) + ++ queue_id; + } + + uint64_t kfd_get_number_elems(struct kfd_dev *kfd) + { + uint64_t num_of_elems = (kfd->shared_resources.doorbell_aperture_size - + kfd->shared_resources.doorbell_start_offset) / +- kfd_doorbell_process_slice(kfd) + 1; ++ doorbell_process_allocation() + 1; + + return num_of_elems; + +@@ -257,21 +250,5 @@ phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, + struct kfd_process *process) + { + return dev->doorbell_base + +- process->doorbell_index * kfd_doorbell_process_slice(dev); +-} +- +-int kfd_alloc_process_doorbells(struct kfd_process *process) +-{ +- int r = ida_simple_get(&doorbell_ida, 1, max_doorbell_slices, +- GFP_KERNEL); +- if (r > 0) +- process->doorbell_index = r; +- +- return r; +-} +- +-void kfd_free_process_doorbells(struct kfd_process *process) +-{ +- if (process->doorbell_index) +- ida_simple_remove(&doorbell_ida, process->doorbell_index); ++ process->pasid * doorbell_process_allocation(); + } +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c +index ee3c288..5979158 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c +@@ -23,9 +23,9 @@ + #include <linux/mm_types.h> + #include <linux/slab.h> + #include <linux/types.h> +-#include <linux/sched/mm.h> + #include <linux/sched/signal.h> + #include <linux/uaccess.h> ++#include <linux/mm.h> + #include <linux/mman.h> + #include <linux/memory.h> + #include "kfd_priv.h" +@@ -33,105 +33,185 @@ + #include <linux/device.h> + + /* +- * Wrapper around wait_queue_entry_t ++ * A task can only be on a single wait_queue at a time, but we need to support ++ * waiting on multiple events (any/all). ++ * Instead of each event simply having a wait_queue with sleeping tasks, it ++ * has a singly-linked list of tasks. ++ * A thread that wants to sleep creates an array of these, one for each event ++ * and adds one to each event's waiter chain. + */ + struct kfd_event_waiter { +- wait_queue_entry_t wait; +- struct kfd_event *event; /* Event to wait for */ +- bool activated; /* Becomes true when event is signaled */ ++ struct list_head waiters; ++ struct task_struct *sleeping_task; ++ ++ /* Transitions to true when the event this belongs to is signaled. */ ++ bool activated; ++ ++ /* Event */ ++ struct kfd_event *event; ++ uint32_t input_index; + }; + + /* ++ * Over-complicated pooled allocator for event notification slots. ++ * + * Each signal event needs a 64-bit signal slot where the signaler will write +- * a 1 before sending an interrupt. (This is needed because some interrupts ++ * a 1 before sending an interrupt.l (This is needed because some interrupts + * do not contain enough spare data bits to identify an event.) +- * We get whole pages and map them to the process VA. +- * Individual signal events use their event_id as slot index. ++ * We get whole pages from vmalloc and map them to the process VA. ++ * Individual signal events are then allocated a slot in a page. + */ +-struct kfd_signal_page { ++ ++struct signal_page { ++ struct list_head event_pages; /* kfd_process.signal_event_pages */ + uint64_t *kernel_address; +- uint64_t handle; + uint64_t __user *user_address; ++ uint32_t page_index; /* Index into the mmap aperture. */ ++ unsigned int free_slots; ++ unsigned long used_slot_bitmap[0]; + }; + ++#define SLOTS_PER_PAGE KFD_SIGNAL_EVENT_LIMIT ++#define SLOT_BITMAP_SIZE BITS_TO_LONGS(SLOTS_PER_PAGE) ++#define BITS_PER_PAGE (ilog2(SLOTS_PER_PAGE)+1) ++#define SIGNAL_PAGE_SIZE (sizeof(struct signal_page) + \ ++ SLOT_BITMAP_SIZE * sizeof(long)) + +-static uint64_t *page_slots(struct kfd_signal_page *page) ++/* ++ * For signal events, the event ID is used as the interrupt user data. ++ * For SQ s_sendmsg interrupts, this is limited to 8 bits. ++ */ ++ ++#define INTERRUPT_DATA_BITS 8 ++#define SIGNAL_EVENT_ID_SLOT_SHIFT 0 ++ ++static uint64_t *page_slots(struct signal_page *page) + { + return page->kernel_address; + } + +-static struct kfd_signal_page *allocate_signal_page(struct kfd_process *p) ++static bool allocate_free_slot(struct kfd_process *process, ++ struct signal_page **out_page, ++ unsigned int *out_slot_index) ++{ ++ struct signal_page *page; ++ ++ list_for_each_entry(page, &process->signal_event_pages, event_pages) { ++ if (page->free_slots > 0) { ++ unsigned int slot = ++ find_first_zero_bit(page->used_slot_bitmap, ++ SLOTS_PER_PAGE); ++ ++ __set_bit(slot, page->used_slot_bitmap); ++ page->free_slots--; ++ ++ page_slots(page)[slot] = UNSIGNALED_EVENT_SLOT; ++ ++ *out_page = page; ++ *out_slot_index = slot; ++ ++ pr_debug("Allocated event signal slot in page %p, slot %d\n", ++ page, slot); ++ ++ return true; ++ } ++ } ++ ++ pr_debug("No free event signal slots were found for process %p\n", ++ process); ++ ++ return false; ++} ++ ++#define list_tail_entry(head, type, member) \ ++ list_entry((head)->prev, type, member) ++ ++static bool allocate_signal_page(struct file *devkfd, struct kfd_process *p) + { + void *backing_store; +- struct kfd_signal_page *page; ++ struct signal_page *page; + +- page = kzalloc(sizeof(*page), GFP_KERNEL); ++ page = kzalloc(SIGNAL_PAGE_SIZE, GFP_KERNEL); + if (!page) +- return NULL; ++ goto fail_alloc_signal_page; ++ ++ page->free_slots = SLOTS_PER_PAGE; + +- backing_store = (void *) __get_free_pages(GFP_KERNEL, ++ backing_store = (void *) __get_free_pages(GFP_KERNEL | __GFP_ZERO, + get_order(KFD_SIGNAL_EVENT_LIMIT * 8)); + if (!backing_store) + goto fail_alloc_signal_store; + +- /* Initialize all events to unsignaled */ ++ /* prevent user-mode info leaks */ + memset(backing_store, (uint8_t) UNSIGNALED_EVENT_SLOT, +- KFD_SIGNAL_EVENT_LIMIT * 8); ++ KFD_SIGNAL_EVENT_LIMIT * 8); + + page->kernel_address = backing_store; ++ ++ if (list_empty(&p->signal_event_pages)) ++ page->page_index = 0; ++ else ++ page->page_index = list_tail_entry(&p->signal_event_pages, ++ struct signal_page, ++ event_pages)->page_index + 1; ++ + pr_debug("Allocated new event signal page at %p, for process %p\n", + page, p); ++ pr_debug("Page index is %d\n", page->page_index); ++ ++ list_add(&page->event_pages, &p->signal_event_pages); + +- return page; ++ return true; + + fail_alloc_signal_store: + kfree(page); +- return NULL; ++fail_alloc_signal_page: ++ return false; + } + +-static int allocate_event_notification_slot(struct kfd_process *p, +- struct kfd_event *ev) ++static bool allocate_event_notification_slot(struct file *devkfd, ++ struct kfd_process *p, ++ struct signal_page **page, ++ unsigned int *signal_slot_index) + { +- int id; ++ bool ret; + +- if (!p->signal_page) { +- p->signal_page = allocate_signal_page(p); +- if (!p->signal_page) +- return -ENOMEM; ++ ret = allocate_free_slot(p, page, signal_slot_index); ++ if (!ret) { ++ ret = allocate_signal_page(devkfd, p); ++ if (ret) ++ ret = allocate_free_slot(p, page, signal_slot_index); + } + +- id = idr_alloc(&p->event_idr, ev, 0, KFD_SIGNAL_EVENT_LIMIT, +- GFP_KERNEL); +- if (id < 0) +- return id; +- +- ev->event_id = id; +- page_slots(p->signal_page)[id] = UNSIGNALED_EVENT_SLOT; +- +- return 0; ++ return ret; + } + +-static struct kfd_signal_page *allocate_signal_page_dgpu( +- struct kfd_process *p, uint64_t *kernel_address, uint64_t handle) ++/* Assumes that the process's event_mutex is locked. */ ++static void release_event_notification_slot(struct signal_page *page, ++ size_t slot_index) + { +- struct kfd_signal_page *my_page; ++ __clear_bit(slot_index, page->used_slot_bitmap); ++ page->free_slots++; + +- my_page = kzalloc(sizeof(*my_page), GFP_KERNEL); +- if (!my_page) +- return NULL; +- +- /* Initialize all events to unsignaled */ +- memset(kernel_address, (uint8_t) UNSIGNALED_EVENT_SLOT, +- KFD_SIGNAL_EVENT_LIMIT * 8); ++ /* We don't free signal pages, they are retained by the process ++ * and reused until it exits. ++ */ ++} + +- my_page->kernel_address = kernel_address; +- my_page->handle = handle; +- my_page->user_address = NULL; ++static struct signal_page *lookup_signal_page_by_index(struct kfd_process *p, ++ unsigned int page_index) ++{ ++ struct signal_page *page; + +- pr_debug("Allocated new event signal page at %p, for process %p\n", +- my_page, p); ++ /* ++ * This is safe because we don't delete signal pages until the ++ * process exits. ++ */ ++ list_for_each_entry(page, &p->signal_event_pages, event_pages) ++ if (page->page_index == page_index) ++ return page; + +- return my_page; ++ return NULL; + } + + /* +@@ -140,80 +220,96 @@ static struct kfd_signal_page *allocate_signal_page_dgpu( + */ + static struct kfd_event *lookup_event_by_id(struct kfd_process *p, uint32_t id) + { +- return idr_find(&p->event_idr, id); ++ struct kfd_event *ev; ++ ++ hash_for_each_possible(p->events, ev, events, id) ++ if (ev->event_id == id) ++ return ev; ++ ++ return NULL; + } + +-/** +- * lookup_signaled_event_by_partial_id - Lookup signaled event from partial ID +- * @p: Pointer to struct kfd_process +- * @id: ID to look up +- * @bits: Number of valid bits in @id +- * +- * Finds the first signaled event with a matching partial ID. If no +- * matching signaled event is found, returns NULL. In that case the +- * caller should assume that the partial ID is invalid and do an +- * exhaustive search of all siglaned events. +- * +- * If multiple events with the same partial ID signal at the same +- * time, they will be found one interrupt at a time, not necessarily +- * in the same order the interrupts occurred. As long as the number of +- * interrupts is correct, all signaled events will be seen by the +- * driver. ++static u32 make_signal_event_id(struct signal_page *page, ++ unsigned int signal_slot_index) ++{ ++ return page->page_index | ++ (signal_slot_index << SIGNAL_EVENT_ID_SLOT_SHIFT); ++} ++ ++/* ++ * Produce a kfd event id for a nonsignal event. ++ * These are arbitrary numbers, so we do a sequential search through ++ * the hash table for an unused number. + */ +-static struct kfd_event *lookup_signaled_event_by_partial_id( +- struct kfd_process *p, uint32_t id, uint32_t bits) ++static u32 make_nonsignal_event_id(struct kfd_process *p) + { +- struct kfd_event *ev; ++ u32 id; + +- if (!p->signal_page || id >= KFD_SIGNAL_EVENT_LIMIT) +- return NULL; ++ for (id = p->next_nonsignal_event_id; ++ id < KFD_LAST_NONSIGNAL_EVENT_ID && ++ lookup_event_by_id(p, id); ++ id++) ++ ; + +- /* Fast path for the common case that @id is not a partial ID +- * and we only need a single lookup. +- */ +- if (bits > 31 || (1U << bits) >= KFD_SIGNAL_EVENT_LIMIT) { +- if (page_slots(p->signal_page)[id] == UNSIGNALED_EVENT_SLOT) +- return NULL; ++ if (id < KFD_LAST_NONSIGNAL_EVENT_ID) { ++ ++ /* ++ * What if id == LAST_NONSIGNAL_EVENT_ID - 1? ++ * Then next_nonsignal_event_id = LAST_NONSIGNAL_EVENT_ID so ++ * the first loop fails immediately and we proceed with the ++ * wraparound loop below. ++ */ ++ p->next_nonsignal_event_id = id + 1; + +- return idr_find(&p->event_idr, id); ++ return id; + } + +- /* General case for partial IDs: Iterate over all matching IDs +- * and find the first one that has signaled. +- */ +- for (ev = NULL; id < KFD_SIGNAL_EVENT_LIMIT && !ev; id += 1U << bits) { +- if (page_slots(p->signal_page)[id] == UNSIGNALED_EVENT_SLOT) +- continue; ++ for (id = KFD_FIRST_NONSIGNAL_EVENT_ID; ++ id < KFD_LAST_NONSIGNAL_EVENT_ID && ++ lookup_event_by_id(p, id); ++ id++) ++ ; ++ + +- ev = idr_find(&p->event_idr, id); ++ if (id < KFD_LAST_NONSIGNAL_EVENT_ID) { ++ p->next_nonsignal_event_id = id + 1; ++ return id; + } + +- return ev; ++ p->next_nonsignal_event_id = KFD_FIRST_NONSIGNAL_EVENT_ID; ++ return 0; ++} ++ ++static struct kfd_event *lookup_event_by_page_slot(struct kfd_process *p, ++ struct signal_page *page, ++ unsigned int signal_slot) ++{ ++ return lookup_event_by_id(p, make_signal_event_id(page, signal_slot)); + } + + static int create_signal_event(struct file *devkfd, + struct kfd_process *p, + struct kfd_event *ev) + { +- int ret; +- + if (p->signal_event_count == KFD_SIGNAL_EVENT_LIMIT) { +- if (!p->signal_event_limit_reached) { +- pr_warn("Signal event wasn't created because limit was reached\n"); +- p->signal_event_limit_reached = true; +- } +- return -ENOSPC; ++ pr_warn("Signal event wasn't created because limit was reached\n"); ++ return -ENOMEM; + } + +- ret = allocate_event_notification_slot(p, ev); +- if (ret) { ++ if (!allocate_event_notification_slot(devkfd, p, &ev->signal_page, ++ &ev->signal_slot_index)) { + pr_warn("Signal event wasn't created because out of kernel memory\n"); +- return ret; ++ return -ENOMEM; + } + + p->signal_event_count++; + +- ev->user_signal_address = &p->signal_page->user_address[ev->event_id]; ++ ev->user_signal_address = ++ &ev->signal_page->user_address[ev->signal_slot_index]; ++ ++ ev->event_id = make_signal_event_id(ev->signal_page, ++ ev->signal_slot_index); ++ + pr_debug("Signal event number %zu created with id %d, address %p\n", + p->signal_event_count, ev->event_id, + ev->user_signal_address); +@@ -221,20 +317,16 @@ static int create_signal_event(struct file *devkfd, + return 0; + } + ++/* ++ * No non-signal events are supported yet. ++ * We create them as events that never signal. ++ * Set event calls from user-mode are failed. ++ */ + static int create_other_event(struct kfd_process *p, struct kfd_event *ev) + { +- /* Cast KFD_LAST_NONSIGNAL_EVENT to uint32_t. This allows an +- * intentional integer overflow to -1 without a compiler +- * warning. idr_alloc treats a negative value as "maximum +- * signed integer". +- */ +- int id = idr_alloc(&p->event_idr, ev, KFD_FIRST_NONSIGNAL_EVENT_ID, +- (uint32_t)KFD_LAST_NONSIGNAL_EVENT_ID + 1, +- GFP_KERNEL); +- +- if (id < 0) +- return id; +- ev->event_id = id; ++ ev->event_id = make_nonsignal_event_id(p); ++ if (ev->event_id == 0) ++ return -ENOMEM; + + return 0; + } +@@ -242,50 +334,52 @@ static int create_other_event(struct kfd_process *p, struct kfd_event *ev) + void kfd_event_init_process(struct kfd_process *p) + { + mutex_init(&p->event_mutex); +- idr_init(&p->event_idr); +- p->signal_page = NULL; ++ hash_init(p->events); ++ INIT_LIST_HEAD(&p->signal_event_pages); ++ p->next_nonsignal_event_id = KFD_FIRST_NONSIGNAL_EVENT_ID; + p->signal_event_count = 0; + } + + static void destroy_event(struct kfd_process *p, struct kfd_event *ev) + { +- struct kfd_event_waiter *waiter; +- +- /* Wake up pending waiters. They will return failure */ +- list_for_each_entry(waiter, &ev->wq.head, wait.entry) +- waiter->event = NULL; +- wake_up_all(&ev->wq); +- +- if (ev->type == KFD_EVENT_TYPE_SIGNAL || +- ev->type == KFD_EVENT_TYPE_DEBUG) ++ if (ev->signal_page) { ++ release_event_notification_slot(ev->signal_page, ++ ev->signal_slot_index); + p->signal_event_count--; ++ } ++ ++ /* ++ * Abandon the list of waiters. Individual waiting threads will ++ * clean up their own data. ++ */ ++ list_del(&ev->waiters); + +- idr_remove(&p->event_idr, ev->event_id); ++ hash_del(&ev->events); + kfree(ev); + } + + static void destroy_events(struct kfd_process *p) + { + struct kfd_event *ev; +- uint32_t id; ++ struct hlist_node *tmp; ++ unsigned int hash_bkt; + +- idr_for_each_entry(&p->event_idr, ev, id) ++ hash_for_each_safe(p->events, hash_bkt, tmp, ev, events) + destroy_event(p, ev); +- idr_destroy(&p->event_idr); + } + + /* + * We assume that the process is being destroyed and there is no need to + * unmap the pages or keep bookkeeping data in order. + */ +-static void shutdown_signal_page(struct kfd_process *p) ++static void shutdown_signal_pages(struct kfd_process *p) + { +- struct kfd_signal_page *page = p->signal_page; ++ struct signal_page *page, *tmp; + +- if (page) { +- if (page->user_address) +- free_pages((unsigned long)page->kernel_address, +- get_order(KFD_SIGNAL_EVENT_LIMIT * 8)); ++ list_for_each_entry_safe(page, tmp, &p->signal_event_pages, ++ event_pages) { ++ free_pages((unsigned long)page->kernel_address, ++ get_order(KFD_SIGNAL_EVENT_LIMIT * 8)); + kfree(page); + } + } +@@ -293,7 +387,7 @@ static void shutdown_signal_page(struct kfd_process *p) + void kfd_event_free_process(struct kfd_process *p) + { + destroy_events(p); +- shutdown_signal_page(p); ++ shutdown_signal_pages(p); + } + + static bool event_can_be_gpu_signaled(const struct kfd_event *ev) +@@ -310,8 +404,7 @@ static bool event_can_be_cpu_signaled(const struct kfd_event *ev) + int kfd_event_create(struct file *devkfd, struct kfd_process *p, + uint32_t event_type, bool auto_reset, uint32_t node_id, + uint32_t *event_id, uint32_t *event_trigger_data, +- uint64_t *event_page_offset, uint32_t *event_slot_index, +- void *kern_addr) ++ uint64_t *event_page_offset, uint32_t *event_slot_index) + { + int ret = 0; + struct kfd_event *ev = kzalloc(sizeof(*ev), GFP_KERNEL); +@@ -323,29 +416,21 @@ int kfd_event_create(struct file *devkfd, struct kfd_process *p, + ev->auto_reset = auto_reset; + ev->signaled = false; + +- init_waitqueue_head(&ev->wq); +- +- mutex_lock(&p->event_mutex); +- +- if (kern_addr && !p->signal_page) { +- p->signal_page = allocate_signal_page_dgpu(p, kern_addr, +- *event_page_offset); +- if (!p->signal_page) { +- ret = -ENOMEM; +- goto out; +- } +- } ++ INIT_LIST_HEAD(&ev->waiters); + + *event_page_offset = 0; + ++ mutex_lock(&p->event_mutex); ++ + switch (event_type) { + case KFD_EVENT_TYPE_SIGNAL: + case KFD_EVENT_TYPE_DEBUG: + ret = create_signal_event(devkfd, p, ev); + if (!ret) { +- *event_page_offset = KFD_MMAP_TYPE_EVENTS; ++ *event_page_offset = (ev->signal_page->page_index | ++ KFD_MMAP_EVENTS_MASK); + *event_page_offset <<= PAGE_SHIFT; +- *event_slot_index = ev->event_id; ++ *event_slot_index = ev->signal_slot_index; + } + break; + default: +@@ -354,13 +439,14 @@ int kfd_event_create(struct file *devkfd, struct kfd_process *p, + } + + if (!ret) { ++ hash_add(p->events, &ev->events, ev->event_id); ++ + *event_id = ev->event_id; + *event_trigger_data = ev->event_id; + } else { + kfree(ev); + } + +-out: + mutex_unlock(&p->event_mutex); + + return ret; +@@ -388,14 +474,19 @@ int kfd_event_destroy(struct kfd_process *p, uint32_t event_id) + static void set_event(struct kfd_event *ev) + { + struct kfd_event_waiter *waiter; ++ struct kfd_event_waiter *next; + + /* Auto reset if the list is non-empty and we're waking someone. */ +- ev->signaled = !ev->auto_reset || !waitqueue_active(&ev->wq); ++ ev->signaled = !ev->auto_reset || list_empty(&ev->waiters); + +- list_for_each_entry(waiter, &ev->wq.head, wait.entry) ++ list_for_each_entry_safe(waiter, next, &ev->waiters, waiters) { + waiter->activated = true; + +- wake_up_all(&ev->wq); ++ /* _init because free_waiters will call list_del */ ++ list_del_init(&waiter->waiters); ++ ++ wake_up_process(waiter->sleeping_task); ++ } + } + + /* Assumes that p is current. */ +@@ -444,7 +535,13 @@ int kfd_reset_event(struct kfd_process *p, uint32_t event_id) + + static void acknowledge_signal(struct kfd_process *p, struct kfd_event *ev) + { +- page_slots(p->signal_page)[ev->event_id] = UNSIGNALED_EVENT_SLOT; ++ page_slots(ev->signal_page)[ev->signal_slot_index] = ++ UNSIGNALED_EVENT_SLOT; ++} ++ ++static bool is_slot_signaled(struct signal_page *page, unsigned int index) ++{ ++ return page_slots(page)[index] != UNSIGNALED_EVENT_SLOT; + } + + static void set_event_from_interrupt(struct kfd_process *p, +@@ -459,12 +556,12 @@ static void set_event_from_interrupt(struct kfd_process *p, + void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, + uint32_t valid_id_bits) + { +- struct kfd_event *ev = NULL; ++ struct kfd_event *ev; + + /* + * Because we are called from arbitrary context (workqueue) as opposed + * to process context, kfd_process could attempt to exit while we are +- * running so the lookup function increments the process ref count. ++ * running so the lookup function returns a locked process. + */ + struct kfd_process *p = kfd_lookup_process_by_pasid(pasid); + +@@ -473,50 +570,30 @@ void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, + + mutex_lock(&p->event_mutex); + +- if (valid_id_bits) +- ev = lookup_signaled_event_by_partial_id(p, partial_id, +- valid_id_bits); +- if (ev) { ++ if (valid_id_bits >= INTERRUPT_DATA_BITS) { ++ /* Partial ID is a full ID. */ ++ ev = lookup_event_by_id(p, partial_id); + set_event_from_interrupt(p, ev); +- } else if (p->signal_page) { ++ } else { + /* +- * Partial ID lookup failed. Assume that the event ID +- * in the interrupt payload was invalid and do an +- * exhaustive search of signaled events. ++ * Partial ID is in fact partial. For now we completely ++ * ignore it, but we could use any bits we did receive to ++ * search faster. + */ +- uint64_t *slots = page_slots(p->signal_page); +- uint32_t id; +- +- if (valid_id_bits) +- pr_debug_ratelimited("Partial ID invalid: %u (%u valid bits)\n", +- partial_id, valid_id_bits); +- +- if (p->signal_event_count < KFD_SIGNAL_EVENT_LIMIT/64) { +- /* With relatively few events, it's faster to +- * iterate over the event IDR +- */ +- idr_for_each_entry(&p->event_idr, ev, id) { +- if (id >= KFD_SIGNAL_EVENT_LIMIT) +- break; +- +- if (slots[id] != UNSIGNALED_EVENT_SLOT) +- set_event_from_interrupt(p, ev); +- } +- } else { +- /* With relatively many events, it's faster to +- * iterate over the signal slots and lookup +- * only signaled events from the IDR. +- */ +- for (id = 0; id < KFD_SIGNAL_EVENT_LIMIT; id++) +- if (slots[id] != UNSIGNALED_EVENT_SLOT) { +- ev = lookup_event_by_id(p, id); ++ struct signal_page *page; ++ unsigned int i; ++ ++ list_for_each_entry(page, &p->signal_event_pages, event_pages) ++ for (i = 0; i < SLOTS_PER_PAGE; i++) ++ if (is_slot_signaled(page, i)) { ++ ev = lookup_event_by_page_slot(p, ++ page, i); + set_event_from_interrupt(p, ev); + } +- } + } + + mutex_unlock(&p->event_mutex); +- kfd_unref_process(p); ++ mutex_unlock(&p->mutex); + } + + static struct kfd_event_waiter *alloc_event_waiters(uint32_t num_events) +@@ -529,16 +606,18 @@ static struct kfd_event_waiter *alloc_event_waiters(uint32_t num_events) + GFP_KERNEL); + + for (i = 0; (event_waiters) && (i < num_events) ; i++) { +- init_wait(&event_waiters[i].wait); ++ INIT_LIST_HEAD(&event_waiters[i].waiters); ++ event_waiters[i].sleeping_task = current; + event_waiters[i].activated = false; + } + + return event_waiters; + } + +-static int init_event_waiter_get_status(struct kfd_process *p, ++static int init_event_waiter(struct kfd_process *p, + struct kfd_event_waiter *waiter, +- uint32_t event_id) ++ uint32_t event_id, ++ uint32_t input_index) + { + struct kfd_event *ev = lookup_event_by_id(p, event_id); + +@@ -546,60 +625,38 @@ static int init_event_waiter_get_status(struct kfd_process *p, + return -EINVAL; + + waiter->event = ev; ++ waiter->input_index = input_index; + waiter->activated = ev->signaled; + ev->signaled = ev->signaled && !ev->auto_reset; + +- return 0; +-} ++ list_add(&waiter->waiters, &ev->waiters); + +-static void init_event_waiter_add_to_waitlist(struct kfd_event_waiter *waiter) +-{ +- struct kfd_event *ev = waiter->event; +- +- /* Only add to the wait list if we actually need to +- * wait on this event. +- */ +- if (!waiter->activated) +- add_wait_queue(&ev->wq, &waiter->wait); ++ return 0; + } + +-/* test_event_condition - Test condition of events being waited for +- * @all: Return completion only if all events have signaled +- * @num_events: Number of events to wait for +- * @event_waiters: Array of event waiters, one per event +- * +- * Returns KFD_IOC_WAIT_RESULT_COMPLETE if all (or one) event(s) have +- * signaled. Returns KFD_IOC_WAIT_RESULT_TIMEOUT if no (or not all) +- * events have signaled. Returns KFD_IOC_WAIT_RESULT_FAIL if any of +- * the events have been destroyed. +- */ +-static uint32_t test_event_condition(bool all, uint32_t num_events, ++static bool test_event_condition(bool all, uint32_t num_events, + struct kfd_event_waiter *event_waiters) + { + uint32_t i; + uint32_t activated_count = 0; + + for (i = 0; i < num_events; i++) { +- if (!event_waiters[i].event) +- return KFD_IOC_WAIT_RESULT_FAIL; +- + if (event_waiters[i].activated) { + if (!all) +- return KFD_IOC_WAIT_RESULT_COMPLETE; ++ return true; + + activated_count++; + } + } + +- return activated_count == num_events ? +- KFD_IOC_WAIT_RESULT_COMPLETE : KFD_IOC_WAIT_RESULT_TIMEOUT; ++ return activated_count == num_events; + } + + /* + * Copy event specific data, if defined. + * Currently only memory exception events have additional data to copy to user + */ +-static int copy_signaled_event_data(uint32_t num_events, ++static bool copy_signaled_event_data(uint32_t num_events, + struct kfd_event_waiter *event_waiters, + struct kfd_event_data __user *data) + { +@@ -613,15 +670,15 @@ static int copy_signaled_event_data(uint32_t num_events, + waiter = &event_waiters[i]; + event = waiter->event; + if (waiter->activated && event->type == KFD_EVENT_TYPE_MEMORY) { +- dst = &data[i].memory_exception_data; ++ dst = &data[waiter->input_index].memory_exception_data; + src = &event->memory_exception_data; + if (copy_to_user(dst, src, + sizeof(struct kfd_hsa_memory_exception_data))) +- return -EFAULT; ++ return false; + } + } + +- return 0; ++ return true; + + } + +@@ -650,9 +707,7 @@ static void free_waiters(uint32_t num_events, struct kfd_event_waiter *waiters) + uint32_t i; + + for (i = 0; i < num_events; i++) +- if (waiters[i].event) +- remove_wait_queue(&waiters[i].event->wq, +- &waiters[i].wait); ++ list_del(&waiters[i].waiters); + + kfree(waiters); + } +@@ -660,56 +715,38 @@ static void free_waiters(uint32_t num_events, struct kfd_event_waiter *waiters) + int kfd_wait_on_events(struct kfd_process *p, + uint32_t num_events, void __user *data, + bool all, uint32_t user_timeout_ms, +- uint32_t *wait_result) ++ enum kfd_event_wait_result *wait_result) + { + struct kfd_event_data __user *events = + (struct kfd_event_data __user *) data; + uint32_t i; + int ret = 0; +- + struct kfd_event_waiter *event_waiters = NULL; + long timeout = user_timeout_to_jiffies(user_timeout_ms); + ++ mutex_lock(&p->event_mutex); ++ + event_waiters = alloc_event_waiters(num_events); + if (!event_waiters) { + ret = -ENOMEM; +- goto out; ++ goto fail; + } + +- mutex_lock(&p->event_mutex); +- + for (i = 0; i < num_events; i++) { + struct kfd_event_data event_data; + + if (copy_from_user(&event_data, &events[i], + sizeof(struct kfd_event_data))) { + ret = -EFAULT; +- goto out_unlock; ++ goto fail; + } + +- ret = init_event_waiter_get_status(p, &event_waiters[i], +- event_data.event_id); ++ ret = init_event_waiter(p, &event_waiters[i], ++ event_data.event_id, i); + if (ret) +- goto out_unlock; +- } +- +- /* Check condition once. */ +- *wait_result = test_event_condition(all, num_events, event_waiters); +- if (*wait_result == KFD_IOC_WAIT_RESULT_COMPLETE) { +- ret = copy_signaled_event_data(num_events, +- event_waiters, events); +- goto out_unlock; +- } else if (WARN_ON(*wait_result == KFD_IOC_WAIT_RESULT_FAIL)) { +- /* This should not happen. Events shouldn't be +- * destroyed while we're holding the event_mutex +- */ +- goto out_unlock; ++ goto fail; + } + +- /* Add to wait lists if we need to wait. */ +- for (i = 0; i < num_events; i++) +- init_event_waiter_add_to_waitlist(&event_waiters[i]); +- + mutex_unlock(&p->event_mutex); + + while (true) { +@@ -731,45 +768,37 @@ int kfd_wait_on_events(struct kfd_process *p, + break; + } + +- /* Set task state to interruptible sleep before +- * checking wake-up conditions. A concurrent wake-up +- * will put the task back into runnable state. In that +- * case schedule_timeout will not put the task to +- * sleep and we'll get a chance to re-check the +- * updated conditions almost immediately. Otherwise, +- * this race condition would lead to a soft hang or a +- * very long sleep. +- */ +- set_current_state(TASK_INTERRUPTIBLE); +- +- *wait_result = test_event_condition(all, num_events, +- event_waiters); +- if (*wait_result != KFD_IOC_WAIT_RESULT_TIMEOUT) ++ if (test_event_condition(all, num_events, event_waiters)) { ++ if (copy_signaled_event_data(num_events, ++ event_waiters, events)) ++ *wait_result = KFD_WAIT_COMPLETE; ++ else ++ *wait_result = KFD_WAIT_ERROR; + break; ++ } + +- if (timeout <= 0) ++ if (timeout <= 0) { ++ *wait_result = KFD_WAIT_TIMEOUT; + break; ++ } + +- timeout = schedule_timeout(timeout); ++ timeout = schedule_timeout_interruptible(timeout); + } + __set_current_state(TASK_RUNNING); + +- /* copy_signaled_event_data may sleep. So this has to happen +- * after the task state is set back to RUNNING. +- */ +- if (!ret && *wait_result == KFD_IOC_WAIT_RESULT_COMPLETE) +- ret = copy_signaled_event_data(num_events, +- event_waiters, events); +- + mutex_lock(&p->event_mutex); +-out_unlock: + free_waiters(num_events, event_waiters); + mutex_unlock(&p->event_mutex); +-out: +- if (ret) +- *wait_result = KFD_IOC_WAIT_RESULT_FAIL; +- else if (*wait_result == KFD_IOC_WAIT_RESULT_FAIL) +- ret = -EIO; ++ ++ return ret; ++ ++fail: ++ if (event_waiters) ++ free_waiters(num_events, event_waiters); ++ ++ mutex_unlock(&p->event_mutex); ++ ++ *wait_result = KFD_WAIT_ERROR; + + return ret; + } +@@ -777,8 +806,9 @@ int kfd_wait_on_events(struct kfd_process *p, + int kfd_event_mmap(struct kfd_process *p, struct vm_area_struct *vma) + { + ++ unsigned int page_index; + unsigned long pfn; +- struct kfd_signal_page *page; ++ struct signal_page *page; + + /* check required size is logical */ + if (get_order(KFD_SIGNAL_EVENT_LIMIT * 8) != +@@ -787,10 +817,13 @@ int kfd_event_mmap(struct kfd_process *p, struct vm_area_struct *vma) + return -EINVAL; + } + +- page = p->signal_page; ++ page_index = vma->vm_pgoff; ++ ++ page = lookup_signal_page_by_index(p, page_index); + if (!page) { + /* Probably KFD bug, but mmap is user-accessible. */ +- pr_debug("Signal page could not be found\n"); ++ pr_debug("Signal page could not be found for page_index %u\n", ++ page_index); + return -EINVAL; + } + +@@ -824,13 +857,12 @@ static void lookup_events_by_type_and_signal(struct kfd_process *p, + { + struct kfd_hsa_memory_exception_data *ev_data; + struct kfd_event *ev; +- uint32_t id; ++ int bkt; + bool send_signal = true; + + ev_data = (struct kfd_hsa_memory_exception_data *) event_data; + +- id = KFD_FIRST_NONSIGNAL_EVENT_ID; +- idr_for_each_entry_continue(&p->event_idr, ev, id) ++ hash_for_each(p->events, bkt, ev, events) + if (ev->type == type) { + send_signal = false; + dev_dbg(kfd_device, +@@ -841,13 +873,6 @@ static void lookup_events_by_type_and_signal(struct kfd_process *p, + ev->memory_exception_data = *ev_data; + } + +- if (type == KFD_EVENT_TYPE_MEMORY) { +- dev_warn(kfd_device, +- "Sending SIGSEGV to HSA Process with PID %d ", +- p->lead_thread->pid); +- send_sig(SIGSEGV, p->lead_thread, 0); +- } +- + /* Send SIGTERM no event of type "type" has been found*/ + if (send_signal) { + if (send_sigterm) { +@@ -863,7 +888,6 @@ static void lookup_events_by_type_and_signal(struct kfd_process *p, + } + } + +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) + void kfd_signal_iommu_event(struct kfd_dev *dev, unsigned int pasid, + unsigned long address, bool is_write_requested, + bool is_execute_requested) +@@ -874,27 +898,17 @@ void kfd_signal_iommu_event(struct kfd_dev *dev, unsigned int pasid, + /* + * Because we are called from arbitrary context (workqueue) as opposed + * to process context, kfd_process could attempt to exit while we are +- * running so the lookup function increments the process ref count. ++ * running so the lookup function returns a locked process. + */ + struct kfd_process *p = kfd_lookup_process_by_pasid(pasid); +- struct mm_struct *mm; + + if (!p) + return; /* Presumably process exited. */ + +- /* Take a safe reference to the mm_struct, which may otherwise +- * disappear even while the kfd_process is still referenced. +- */ +- mm = get_task_mm(p->lead_thread); +- if (!mm) { +- kfd_unref_process(p); +- return; /* Process is exiting */ +- } +- + memset(&memory_exception_data, 0, sizeof(memory_exception_data)); + +- down_read(&mm->mmap_sem); +- vma = find_vma(mm, address); ++ down_read(&p->mm->mmap_sem); ++ vma = find_vma(p->mm, address); + + memory_exception_data.gpu_id = dev->id; + memory_exception_data.va = address; +@@ -920,8 +934,7 @@ void kfd_signal_iommu_event(struct kfd_dev *dev, unsigned int pasid, + } + } + +- up_read(&mm->mmap_sem); +- mmput(mm); ++ up_read(&p->mm->mmap_sem); + + mutex_lock(&p->event_mutex); + +@@ -930,17 +943,15 @@ void kfd_signal_iommu_event(struct kfd_dev *dev, unsigned int pasid, + &memory_exception_data); + + mutex_unlock(&p->event_mutex); +- +- kfd_unref_process(p); ++ mutex_unlock(&p->mutex); + } +-#endif /* CONFIG_AMD_IOMMU_V2_MODULE */ + + void kfd_signal_hw_exception_event(unsigned int pasid) + { + /* + * Because we are called from arbitrary context (workqueue) as opposed + * to process context, kfd_process could attempt to exit while we are +- * running so the lookup function increments the process ref count. ++ * running so the lookup function returns a locked process. + */ + struct kfd_process *p = kfd_lookup_process_by_pasid(pasid); + +@@ -953,42 +964,5 @@ void kfd_signal_hw_exception_event(unsigned int pasid) + lookup_events_by_type_and_signal(p, KFD_EVENT_TYPE_HW_EXCEPTION, NULL); + + mutex_unlock(&p->event_mutex); +- kfd_unref_process(p); +-} +- +-void kfd_signal_vm_fault_event(struct kfd_dev *dev, unsigned int pasid, +- struct kfd_vm_fault_info *info) +-{ +- struct kfd_event *ev; +- uint32_t id; +- struct kfd_process *p = kfd_lookup_process_by_pasid(pasid); +- struct kfd_hsa_memory_exception_data memory_exception_data; +- +- if (!p) +- return; /* Presumably process exited. */ +- memset(&memory_exception_data, 0, sizeof(memory_exception_data)); +- memory_exception_data.gpu_id = dev->id; +- memory_exception_data.failure.imprecise = true; +- /* Set failure reason */ +- if (info) { +- memory_exception_data.va = (info->page_addr) << PAGE_SHIFT; +- memory_exception_data.failure.NotPresent = +- info->prot_valid ? 1 : 0; +- memory_exception_data.failure.NoExecute = +- info->prot_exec ? 1 : 0; +- memory_exception_data.failure.ReadOnly = +- info->prot_write ? 1 : 0; +- memory_exception_data.failure.imprecise = 0; +- } +- mutex_lock(&p->event_mutex); +- +- id = KFD_FIRST_NONSIGNAL_EVENT_ID; +- idr_for_each_entry_continue(&p->event_idr, ev, id) +- if (ev->type == KFD_EVENT_TYPE_MEMORY) { +- ev->memory_exception_data = memory_exception_data; +- set_event(ev); +- } +- +- mutex_unlock(&p->event_mutex); +- kfd_unref_process(p); ++ mutex_unlock(&p->mutex); + } +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.h b/drivers/gpu/drm/amd/amdkfd/kfd_events.h +index abca5bf..28f6838 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_events.h ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.h +@@ -27,17 +27,12 @@ + #include <linux/hashtable.h> + #include <linux/types.h> + #include <linux/list.h> +-#include <linux/wait.h> + #include "kfd_priv.h" + #include <uapi/linux/kfd_ioctl.h> + +-/* +- * IDR supports non-negative integer IDs. Small IDs are used for +- * signal events to match their signal slot. Use the upper half of the +- * ID space for non-signal events. +- */ +-#define KFD_FIRST_NONSIGNAL_EVENT_ID ((INT_MAX >> 1) + 1) +-#define KFD_LAST_NONSIGNAL_EVENT_ID INT_MAX ++#define KFD_EVENT_ID_NONSIGNAL_MASK 0x80000000U ++#define KFD_FIRST_NONSIGNAL_EVENT_ID KFD_EVENT_ID_NONSIGNAL_MASK ++#define KFD_LAST_NONSIGNAL_EVENT_ID UINT_MAX + + /* + * Written into kfd_signal_slot_t to indicate that the event is not signaled. +@@ -51,6 +46,9 @@ struct kfd_event_waiter; + struct signal_page; + + struct kfd_event { ++ /* All events in process, rooted at kfd_process.events. */ ++ struct hlist_node events; ++ + u32 event_id; + + bool signaled; +@@ -58,9 +56,11 @@ struct kfd_event { + + int type; + +- wait_queue_head_t wq; /* List of event waiters. */ ++ struct list_head waiters; /* List of kfd_event_waiter by waiters. */ + + /* Only for signal events. */ ++ struct signal_page *signal_page; ++ unsigned int signal_slot_index; + uint64_t __user *user_signal_address; + + /* type specific data */ +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c b/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c +index 499efa1..c59384b 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c +@@ -275,80 +275,24 @@ + * for FLAT_* / S_LOAD operations. + */ + +-#define MAKE_GPUVM_APP_BASE_VI(gpu_num) \ ++#define MAKE_GPUVM_APP_BASE(gpu_num) \ + (((uint64_t)(gpu_num) << 61) + 0x1000000000000L) + +-#define MAKE_GPUVM_APP_LIMIT(base, size) \ +- (((uint64_t)(base) & 0xFFFFFF0000000000UL) + (size) - 1) ++#define MAKE_GPUVM_APP_LIMIT(base) \ ++ (((uint64_t)(base) & \ ++ 0xFFFFFF0000000000UL) | 0xFFFFFFFFFFL) + +-#define MAKE_SCRATCH_APP_BASE_VI() \ +- (((uint64_t)(0x1UL) << 61) + 0x100000000L) ++#define MAKE_SCRATCH_APP_BASE(gpu_num) \ ++ (((uint64_t)(gpu_num) << 61) + 0x100000000L) + + #define MAKE_SCRATCH_APP_LIMIT(base) \ + (((uint64_t)base & 0xFFFFFFFF00000000UL) | 0xFFFFFFFF) + +-#define MAKE_LDS_APP_BASE_VI() \ +- (((uint64_t)(0x1UL) << 61) + 0x0) +- ++#define MAKE_LDS_APP_BASE(gpu_num) \ ++ (((uint64_t)(gpu_num) << 61) + 0x0) + #define MAKE_LDS_APP_LIMIT(base) \ + (((uint64_t)(base) & 0xFFFFFFFF00000000UL) | 0xFFFFFFFF) + +-/* On GFXv9 the LDS and scratch apertures are programmed independently +- * using the high 16 bits of the 64-bit virtual address. They must be +- * in the hole, which will be the case as long as the high 16 bits are +- * not 0. +- * +- * The aperture sizes are still 4GB implicitly. +- * +- * A GPUVM aperture is not applicable on GFXv9. +- */ +-#define MAKE_LDS_APP_BASE_V9() ((uint64_t)(0x1UL) << 48) +-#define MAKE_SCRATCH_APP_BASE_V9() ((uint64_t)(0x2UL) << 48) +- +-/* Some VM address space reserved for kernel use (CWSR trap handlers +- * and kernel IBs) +- */ +-#define DGPU_VM_BASE_DEFAULT 0x100000 +-#define DGPU_IB_BASE_DEFAULT (DGPU_VM_BASE_DEFAULT - PAGE_SIZE) +- +-int kfd_set_process_dgpu_aperture(struct kfd_process_device *pdd, +- uint64_t base, uint64_t limit) +-{ +- if (base < (pdd->qpd.cwsr_base + KFD_CWSR_TBA_TMA_SIZE)) { +- pr_err("Set dgpu vm base 0x%llx failed.\n", base); +- return -EINVAL; +- } +- pdd->dgpu_base = base; +- pdd->dgpu_limit = limit; +- return 0; +-} +- +-void kfd_init_apertures_vi(struct kfd_process_device *pdd, uint8_t id) +-{ +- /* +- * node id couldn't be 0 - the three MSB bits of +- * aperture shoudn't be 0 +- */ +- pdd->lds_base = MAKE_LDS_APP_BASE_VI(); +- pdd->lds_limit = MAKE_LDS_APP_LIMIT(pdd->lds_base); +- +- pdd->gpuvm_base = MAKE_GPUVM_APP_BASE_VI(id + 1); +- pdd->gpuvm_limit = MAKE_GPUVM_APP_LIMIT( +- pdd->gpuvm_base, pdd->dev->shared_resources.gpuvm_size); +- +- pdd->scratch_base = MAKE_SCRATCH_APP_BASE_VI(); +- pdd->scratch_limit = MAKE_SCRATCH_APP_LIMIT(pdd->scratch_base); +-} +- +-void kfd_init_apertures_v9(struct kfd_process_device *pdd, uint8_t id) +-{ +- pdd->lds_base = MAKE_LDS_APP_BASE_V9(); +- pdd->lds_limit = MAKE_LDS_APP_LIMIT(pdd->lds_base); +- +- pdd->scratch_base = MAKE_SCRATCH_APP_BASE_V9(); +- pdd->scratch_limit = MAKE_SCRATCH_APP_LIMIT(pdd->scratch_base); +-} +- + int kfd_init_apertures(struct kfd_process *process) + { + uint8_t id = 0; +@@ -356,11 +300,8 @@ int kfd_init_apertures(struct kfd_process *process) + struct kfd_process_device *pdd; + + /*Iterating over all devices*/ +- while (kfd_topology_enum_kfd_devices(id, &dev) == 0) { +- if (!dev) { +- id++; /* Skip non GPU devices */ +- continue; +- } ++ while ((dev = kfd_topology_enum_kfd_devices(id)) != NULL && ++ id < NUM_OF_SUPPORTED_GPUS) { + + pdd = kfd_create_process_device_data(dev, process); + if (!pdd) { +@@ -377,29 +318,23 @@ int kfd_init_apertures(struct kfd_process *process) + pdd->gpuvm_base = pdd->gpuvm_limit = 0; + pdd->scratch_base = pdd->scratch_limit = 0; + } else { +- switch (dev->device_info->asic_family) { +- case CHIP_KAVERI: +- case CHIP_HAWAII: +- case CHIP_CARRIZO: +- case CHIP_TONGA: +- case CHIP_FIJI: +- case CHIP_POLARIS10: +- case CHIP_POLARIS11: +- kfd_init_apertures_vi(pdd, id); +- break; +- case CHIP_VEGA10: +- case CHIP_RAVEN: +- kfd_init_apertures_v9(pdd, id); +- break; +- default: +- pr_err("Unknown chip in kfd_init_apertures\n"); +- return -1; +- } ++ /* ++ * node id couldn't be 0 - the three MSB bits of ++ * aperture shoudn't be 0 ++ */ ++ pdd->lds_base = MAKE_LDS_APP_BASE(id + 1); ++ ++ pdd->lds_limit = MAKE_LDS_APP_LIMIT(pdd->lds_base); ++ ++ pdd->gpuvm_base = MAKE_GPUVM_APP_BASE(id + 1); ++ ++ pdd->gpuvm_limit = ++ MAKE_GPUVM_APP_LIMIT(pdd->gpuvm_base); + +- if (!dev->device_info->is_need_iommu_device) { +- pdd->qpd.cwsr_base = DGPU_VM_BASE_DEFAULT; +- pdd->qpd.ib_base = DGPU_IB_BASE_DEFAULT; +- } ++ pdd->scratch_base = MAKE_SCRATCH_APP_BASE(id + 1); ++ ++ pdd->scratch_limit = ++ MAKE_SCRATCH_APP_LIMIT(pdd->scratch_base); + } + + dev_dbg(kfd_device, "node id %u\n", id); +@@ -416,3 +351,5 @@ int kfd_init_apertures(struct kfd_process *process) + + return 0; + } ++ ++ +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c +deleted file mode 100644 +index 009d6f4..0000000 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c ++++ /dev/null +@@ -1,135 +0,0 @@ +-/* +- * Copyright 2016 Advanced Micro Devices, Inc. +- * +- * Permission is hereby granted, free of charge, to any person obtaining a +- * copy of this software and associated documentation files (the "Software"), +- * to deal in the Software without restriction, including without limitation +- * the rights to use, copy, modify, merge, publish, distribute, sublicense, +- * and/or sell copies of the Software, and to permit persons to whom the +- * Software is furnished to do so, subject to the following conditions: +- * +- * The above copyright notice and this permission notice shall be included in +- * all copies or substantial portions of the Software. +- * +- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR +- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +- * OTHER DEALINGS IN THE SOFTWARE. +- */ +- +-#include "kfd_priv.h" +-#include "kfd_events.h" +-#include "soc15_int.h" +- +- +-static uint32_t kfd_get_pasid_from_vmid(struct kfd_dev *dev, uint8_t vmid) +-{ +- uint32_t pasid = 0; +- const struct kfd2kgd_calls *f2g = dev->kfd2kgd; +- +- if (f2g->get_atc_vmid_pasid_mapping_valid(dev->kgd, vmid)) +- pasid = f2g->get_atc_vmid_pasid_mapping_pasid(dev->kgd, vmid); +- +- return pasid; +-} +- +-static bool event_interrupt_isr_v9(struct kfd_dev *dev, +- const uint32_t *ih_ring_entry, +- uint32_t *patched_ihre, +- bool *patched_flag) +-{ +- uint16_t source_id, client_id, pasid, vmid; +- bool result = false; +- +- source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry); +- client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry); +- pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry); +- vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry); +- +- if (pasid) { +- const uint32_t *data = ih_ring_entry; +- +- pr_debug("client id 0x%x, source id %d, pasid 0x%x. raw data:\n", +- client_id, source_id, pasid); +- pr_debug("%8X, %8X, %8X, %8X, %8X, %8X, %8X, %8X.\n", +- data[0], data[1], data[2], data[3], +- data[4], data[5], data[6], data[7]); +- } +- +- if ((vmid >= dev->vm_info.first_vmid_kfd && +- vmid <= dev->vm_info.last_vmid_kfd) && +- (source_id == SOC15_INTSRC_CP_END_OF_PIPE || +- source_id == SOC15_INTSRC_SDMA_TRAP || +- source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG || +- source_id == SOC15_INTSRC_CP_BAD_OPCODE || +- client_id == SOC15_IH_CLIENTID_VMC || +- client_id == SOC15_IH_CLIENTID_UTCL2)) { +- +- /* +- * KFD want to handle this INT, but MEC firmware did +- * not send pasid. Try to get it from vmid mapping +- * and patch the ih entry. It's a temp workaround. +- */ +- WARN_ONCE((!pasid), "Fix me.\n"); +- if (!pasid) { +- uint32_t temp = le32_to_cpu(ih_ring_entry[3]); +- +- pasid = kfd_get_pasid_from_vmid(dev, vmid); +- memcpy(patched_ihre, ih_ring_entry, +- dev->device_info->ih_ring_entry_size); +- patched_ihre[3] = cpu_to_le32(temp | pasid); +- *patched_flag = true; +- } +- result = pasid ? true : false; +- } +- +- /* Do not process in ISR, just request it to be forwarded to WQ. */ +- return result; +- +-} +- +-static void event_interrupt_wq_v9(struct kfd_dev *dev, +- const uint32_t *ih_ring_entry) +-{ +- uint16_t source_id, client_id, pasid, vmid; +- uint32_t context_id; +- +- source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry); +- client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry); +- pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry); +- vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry); +- context_id = SOC15_CONTEXT_ID0_FROM_IH_ENTRY(ih_ring_entry); +- +- if (source_id == SOC15_INTSRC_CP_END_OF_PIPE) +- kfd_signal_event_interrupt(pasid, context_id, 32); +- else if (source_id == SOC15_INTSRC_SDMA_TRAP) +- kfd_signal_event_interrupt(pasid, context_id & 0xfffffff, 28); +- else if (source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG) +- kfd_signal_event_interrupt(pasid, context_id & 0xffffff, 24); +- else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE) +- kfd_signal_hw_exception_event(pasid); +- else if (client_id == SOC15_IH_CLIENTID_VMC || +- client_id == SOC15_IH_CLIENTID_UTCL2) { +- struct kfd_vm_fault_info info = {0}; +- uint16_t ring_id = SOC15_RING_ID_FROM_IH_ENTRY(ih_ring_entry); +- +- info.vmid = vmid; +- info.mc_id = client_id; +- info.page_addr = ih_ring_entry[4] | +- (uint64_t)(ih_ring_entry[5] & 0xf) << 32; +- info.prot_valid = ring_id & 0x08; +- info.prot_read = ring_id & 0x10; +- info.prot_write = ring_id & 0x20; +- +- kfd_process_vm_fault(dev->dqm, pasid); +- kfd_signal_vm_fault_event(dev, pasid, &info); +- } +-} +- +-const struct kfd_event_interrupt_class event_interrupt_class_v9 = { +- .interrupt_isr = event_interrupt_isr_v9, +- .interrupt_wq = event_interrupt_wq_v9, +-}; +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c +index 92a277f..70b3a99c 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c +@@ -44,23 +44,24 @@ + #include <linux/device.h> + #include "kfd_priv.h" + +-#define KFD_IH_NUM_ENTRIES 8192 ++#define KFD_INTERRUPT_RING_SIZE 1024 + + static void interrupt_wq(struct work_struct *); + + int kfd_interrupt_init(struct kfd_dev *kfd) + { +- int r; +- +- r = kfifo_alloc(&kfd->ih_fifo, +- KFD_IH_NUM_ENTRIES * kfd->device_info->ih_ring_entry_size, +- GFP_KERNEL); +- if (r) { +- dev_err(kfd_chardev(), "Failed to allocate IH fifo\n"); +- return r; +- } ++ void *interrupt_ring = kmalloc_array(KFD_INTERRUPT_RING_SIZE, ++ kfd->device_info->ih_ring_entry_size, ++ GFP_KERNEL); ++ if (!interrupt_ring) ++ return -ENOMEM; ++ ++ kfd->interrupt_ring = interrupt_ring; ++ kfd->interrupt_ring_size = ++ KFD_INTERRUPT_RING_SIZE * kfd->device_info->ih_ring_entry_size; ++ atomic_set(&kfd->interrupt_ring_wptr, 0); ++ atomic_set(&kfd->interrupt_ring_rptr, 0); + +- kfd->ih_wq = alloc_workqueue("KFD IH", WQ_HIGHPRI, 1); + spin_lock_init(&kfd->interrupt_lock); + + INIT_WORK(&kfd->interrupt_work, interrupt_wq); +@@ -91,47 +92,74 @@ void kfd_interrupt_exit(struct kfd_dev *kfd) + spin_unlock_irqrestore(&kfd->interrupt_lock, flags); + + /* +- * flush_work ensures that there are no outstanding ++ * Flush_scheduled_work ensures that there are no outstanding + * work-queue items that will access interrupt_ring. New work items + * can't be created because we stopped interrupt handling above. + */ +- flush_workqueue(kfd->ih_wq); ++ flush_scheduled_work(); + +- kfifo_free(&kfd->ih_fifo); ++ kfree(kfd->interrupt_ring); + } + + /* +- * Assumption: single reader/writer. This function is not re-entrant ++ * This assumes that it can't be called concurrently with itself ++ * but only with dequeue_ih_ring_entry. + */ + bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry) + { +- int count; ++ unsigned int rptr = atomic_read(&kfd->interrupt_ring_rptr); ++ unsigned int wptr = atomic_read(&kfd->interrupt_ring_wptr); + +- count = kfifo_in(&kfd->ih_fifo, ih_ring_entry, +- kfd->device_info->ih_ring_entry_size); +- if (count != kfd->device_info->ih_ring_entry_size) { ++ if ((rptr - wptr) % kfd->interrupt_ring_size == ++ kfd->device_info->ih_ring_entry_size) { ++ /* This is very bad, the system is likely to hang. */ + dev_err_ratelimited(kfd_chardev(), +- "Interrupt ring overflow, dropping interrupt %d\n", +- count); ++ "Interrupt ring overflow, dropping interrupt.\n"); + return false; + } + ++ memcpy(kfd->interrupt_ring + wptr, ih_ring_entry, ++ kfd->device_info->ih_ring_entry_size); ++ ++ wptr = (wptr + kfd->device_info->ih_ring_entry_size) % ++ kfd->interrupt_ring_size; ++ smp_wmb(); /* Ensure memcpy'd data is visible before wptr update. */ ++ atomic_set(&kfd->interrupt_ring_wptr, wptr); ++ + return true; + } + + /* +- * Assumption: single reader/writer. This function is not re-entrant ++ * This assumes that it can't be called concurrently with itself ++ * but only with enqueue_ih_ring_entry. + */ + static bool dequeue_ih_ring_entry(struct kfd_dev *kfd, void *ih_ring_entry) + { +- int count; ++ /* ++ * Assume that wait queues have an implicit barrier, i.e. anything that ++ * happened in the ISR before it queued work is visible. ++ */ ++ ++ unsigned int wptr = atomic_read(&kfd->interrupt_ring_wptr); ++ unsigned int rptr = atomic_read(&kfd->interrupt_ring_rptr); + +- count = kfifo_out(&kfd->ih_fifo, ih_ring_entry, +- kfd->device_info->ih_ring_entry_size); ++ if (rptr == wptr) ++ return false; + +- WARN_ON(count && count != kfd->device_info->ih_ring_entry_size); ++ memcpy(ih_ring_entry, kfd->interrupt_ring + rptr, ++ kfd->device_info->ih_ring_entry_size); + +- return count == kfd->device_info->ih_ring_entry_size; ++ rptr = (rptr + kfd->device_info->ih_ring_entry_size) % ++ kfd->interrupt_ring_size; ++ ++ /* ++ * Ensure the rptr write update is not visible until ++ * memcpy has finished reading. ++ */ ++ smp_mb(); ++ atomic_set(&kfd->interrupt_ring_rptr, rptr); ++ ++ return true; + } + + static void interrupt_wq(struct work_struct *work) +@@ -148,15 +176,13 @@ static void interrupt_wq(struct work_struct *work) + ih_ring_entry); + } + +-bool interrupt_is_wanted(struct kfd_dev *dev, +- const uint32_t *ih_ring_entry, +- uint32_t *patched_ihre, bool *flag) ++bool interrupt_is_wanted(struct kfd_dev *dev, const uint32_t *ih_ring_entry) + { + /* integer and bitwise OR so there is no boolean short-circuiting */ + unsigned int wanted = 0; + + wanted |= dev->device_info->event_interrupt_class->interrupt_isr(dev, +- ih_ring_entry, patched_ihre, flag); ++ ih_ring_entry); + + return wanted != 0; + } +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_ipc.c b/drivers/gpu/drm/amd/amdkfd/kfd_ipc.c +deleted file mode 100644 +index 0feb366..0000000 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_ipc.c ++++ /dev/null +@@ -1,271 +0,0 @@ +-/* +- * Copyright 2014 Advanced Micro Devices, Inc. +- * +- * Permission is hereby granted, free of charge, to any person obtaining a +- * copy of this software and associated documentation files (the "Software"), +- * to deal in the Software without restriction, including without limitation +- * the rights to use, copy, modify, merge, publish, distribute, sublicense, +- * and/or sell copies of the Software, and to permit persons to whom the +- * Software is furnished to do so, subject to the following conditions: +- * +- * The above copyright notice and this permission notice shall be included in +- * all copies or substantial portions of the Software. +- * +- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR +- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +- * OTHER DEALINGS IN THE SOFTWARE. +- */ +- +-#include <linux/dma-buf.h> +-#include <linux/slab.h> +-#include <linux/random.h> +- +-#include "kfd_ipc.h" +-#include "kfd_priv.h" +- +-#define KFD_IPC_HASH_TABLE_SIZE_SHIFT 4 +-#define KFD_IPC_HASH_TABLE_SIZE_MASK ((1 << KFD_IPC_HASH_TABLE_SIZE_SHIFT) - 1) +- +-static struct kfd_ipc_handles { +- DECLARE_HASHTABLE(handles, KFD_IPC_HASH_TABLE_SIZE_SHIFT); +- struct mutex lock; +-} kfd_ipc_handles; +- +-/* Since, handles are random numbers, it can be used directly as hashing key. +- * The least 4 bits of the handle are used as key. However, during import all +- * 128 bits of the handle are checked to prevent handle snooping. +- */ +-#define HANDLE_TO_KEY(sh) ((*(uint64_t *)sh) & KFD_IPC_HASH_TABLE_SIZE_MASK) +- +-static int ipc_store_insert(void *val, void *sh, struct kfd_ipc_obj **ipc_obj) +-{ +- struct kfd_ipc_obj *obj; +- +- obj = kmalloc(sizeof(*obj), GFP_KERNEL); +- if (!obj) +- return -ENOMEM; +- +- /* The initial ref belongs to the allocator process. +- * The IPC object store itself does not hold a ref since +- * there is no specific moment in time where that ref should +- * be dropped, except "when there are no more userspace processes +- * holding a ref to the object". Therefore the removal from IPC +- * storage happens at ipc_obj release time. +- */ +- kref_init(&obj->ref); +- obj->data = val; +- get_random_bytes(obj->share_handle, sizeof(obj->share_handle)); +- +- memcpy(sh, obj->share_handle, sizeof(obj->share_handle)); +- +- mutex_lock(&kfd_ipc_handles.lock); +- hlist_add_head(&obj->node, +- &kfd_ipc_handles.handles[HANDLE_TO_KEY(obj->share_handle)]); +- mutex_unlock(&kfd_ipc_handles.lock); +- +- if (ipc_obj) +- *ipc_obj = obj; +- +- return 0; +-} +- +-static void ipc_obj_release(struct kref *r) +-{ +- struct kfd_ipc_obj *obj; +- +- obj = container_of(r, struct kfd_ipc_obj, ref); +- +- mutex_lock(&kfd_ipc_handles.lock); +- hash_del(&obj->node); +- mutex_unlock(&kfd_ipc_handles.lock); +- +- dma_buf_put(obj->data); +- kfree(obj); +-} +- +-void ipc_obj_get(struct kfd_ipc_obj *obj) +-{ +- kref_get(&obj->ref); +-} +- +-void ipc_obj_put(struct kfd_ipc_obj **obj) +-{ +- kref_put(&(*obj)->ref, ipc_obj_release); +- *obj = NULL; +-} +- +-int kfd_ipc_init(void) +-{ +- mutex_init(&kfd_ipc_handles.lock); +- hash_init(kfd_ipc_handles.handles); +- return 0; +-} +- +-static int kfd_import_dmabuf_create_kfd_bo(struct kfd_dev *dev, +- struct kfd_process *p, +- uint32_t gpu_id, struct dma_buf *dmabuf, +- uint64_t va_addr, uint64_t *handle, +- uint64_t *mmap_offset, +- struct kfd_ipc_obj *ipc_obj) +-{ +- int r; +- void *mem; +- uint64_t size; +- int idr_handle; +- struct kfd_process_device *pdd = NULL; +- +- if (!handle) +- return -EINVAL; +- +- if (!dev || !dev->kfd2kgd->import_dmabuf) +- return -EINVAL; +- +- mutex_lock(&p->mutex); +- +- pdd = kfd_bind_process_to_device(dev, p); +- if (IS_ERR(pdd)) { +- r = PTR_ERR(pdd); +- goto err_unlock; +- } +- +- r = dev->kfd2kgd->import_dmabuf(dev->kgd, dmabuf, +- va_addr, pdd->vm, +- (struct kgd_mem **)&mem, &size, +- mmap_offset); +- if (r) +- goto err_unlock; +- +- idr_handle = kfd_process_device_create_obj_handle(pdd, mem, +- va_addr, size, +- ipc_obj); +- if (idr_handle < 0) { +- r = -EFAULT; +- goto err_free; +- } +- +- mutex_unlock(&p->mutex); +- +- *handle = MAKE_HANDLE(gpu_id, idr_handle); +- +- return 0; +- +-err_free: +- dev->kfd2kgd->free_memory_of_gpu(dev->kgd, +- (struct kgd_mem *)mem, +- pdd->vm); +-err_unlock: +- mutex_unlock(&p->mutex); +- return r; +-} +- +-int kfd_ipc_import_dmabuf(struct kfd_dev *dev, +- struct kfd_process *p, +- uint32_t gpu_id, int dmabuf_fd, +- uint64_t va_addr, uint64_t *handle, +- uint64_t *mmap_offset) +-{ +- int r; +- struct dma_buf *dmabuf = dma_buf_get(dmabuf_fd); +- +- if (!dmabuf) +- return -EINVAL; +- +- r = kfd_import_dmabuf_create_kfd_bo(dev, p, gpu_id, dmabuf, +- va_addr, handle, mmap_offset, +- NULL); +- dma_buf_put(dmabuf); +- return r; +-} +- +-int kfd_ipc_import_handle(struct kfd_dev *dev, struct kfd_process *p, +- uint32_t gpu_id, uint32_t *share_handle, +- uint64_t va_addr, uint64_t *handle, +- uint64_t *mmap_offset) +-{ +- int r; +- struct kfd_ipc_obj *entry, *found = NULL; +- +- mutex_lock(&kfd_ipc_handles.lock); +- /* Convert the user provided handle to hash key and search only in that +- * bucket +- */ +- hlist_for_each_entry(entry, +- &kfd_ipc_handles.handles[HANDLE_TO_KEY(share_handle)], node) { +- if (!memcmp(entry->share_handle, share_handle, +- sizeof(entry->share_handle))) { +- found = entry; +- break; +- } +- } +- mutex_unlock(&kfd_ipc_handles.lock); +- +- if (!found) +- return -EINVAL; +- ipc_obj_get(found); +- +- pr_debug("Found ipc_dma_buf: %p\n", found->data); +- +- r = kfd_import_dmabuf_create_kfd_bo(dev, p, gpu_id, found->data, +- va_addr, handle, mmap_offset, +- found); +- if (r) +- goto error_unref; +- +- return r; +- +-error_unref: +- ipc_obj_put(&found); +- return r; +-} +- +-int kfd_ipc_export_as_handle(struct kfd_dev *dev, struct kfd_process *p, +- uint64_t handle, uint32_t *ipc_handle) +-{ +- struct kfd_process_device *pdd = NULL; +- struct kfd_ipc_obj *obj; +- struct kfd_bo *kfd_bo = NULL; +- struct dma_buf *dmabuf; +- int r; +- +- if (!dev || !ipc_handle) +- return -EINVAL; +- +- mutex_lock(&p->mutex); +- pdd = kfd_bind_process_to_device(dev, p); +- if (IS_ERR(pdd)) { +- mutex_unlock(&p->mutex); +- pr_err("Failed to get pdd\n"); +- return PTR_ERR(pdd); +- } +- +- kfd_bo = kfd_process_device_find_bo(pdd, GET_IDR_HANDLE(handle)); +- mutex_unlock(&p->mutex); +- +- if (!kfd_bo) { +- pr_err("Failed to get bo"); +- return -EINVAL; +- } +- if (kfd_bo->kfd_ipc_obj) { +- memcpy(ipc_handle, kfd_bo->kfd_ipc_obj->share_handle, +- sizeof(kfd_bo->kfd_ipc_obj->share_handle)); +- return 0; +- } +- +- r = dev->kfd2kgd->export_dmabuf(dev->kgd, pdd->vm, +- (struct kgd_mem *)kfd_bo->mem, +- &dmabuf); +- if (r) +- return r; +- +- r = ipc_store_insert(dmabuf, ipc_handle, &obj); +- if (r) +- return r; +- +- kfd_bo->kfd_ipc_obj = obj; +- +- return r; +-} +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_ipc.h b/drivers/gpu/drm/amd/amdkfd/kfd_ipc.h +deleted file mode 100644 +index 9ee8627..0000000 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_ipc.h ++++ /dev/null +@@ -1,51 +0,0 @@ +-/* +- * Copyright 2014 Advanced Micro Devices, Inc. +- * +- * Permission is hereby granted, free of charge, to any person obtaining a +- * copy of this software and associated documentation files (the "Software"), +- * to deal in the Software without restriction, including without limitation +- * the rights to use, copy, modify, merge, publish, distribute, sublicense, +- * and/or sell copies of the Software, and to permit persons to whom the +- * Software is furnished to do so, subject to the following conditions: +- * +- * The above copyright notice and this permission notice shall be included in +- * all copies or substantial portions of the Software. +- * +- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR +- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +- * OTHER DEALINGS IN THE SOFTWARE. +- * +- */ +- +-#ifndef KFD_IPC_H_ +-#define KFD_IPC_H_ +- +-#include <linux/types.h> +-#include "kfd_priv.h" +- +-struct kfd_ipc_obj { +- struct hlist_node node; +- struct kref ref; +- void *data; +- uint32_t share_handle[4]; +-}; +- +-int kfd_ipc_import_handle(struct kfd_dev *dev, struct kfd_process *p, +- uint32_t gpu_id, uint32_t *share_handle, +- uint64_t va_addr, uint64_t *handle, +- uint64_t *mmap_offset); +-int kfd_ipc_import_dmabuf(struct kfd_dev *kfd, struct kfd_process *p, +- uint32_t gpu_id, int dmabuf_fd, +- uint64_t va_addr, uint64_t *handle, +- uint64_t *mmap_offset); +-int kfd_ipc_export_as_handle(struct kfd_dev *dev, struct kfd_process *p, +- uint64_t handle, uint32_t *ipc_handle); +- +-void ipc_obj_get(struct kfd_ipc_obj *obj); +-void ipc_obj_put(struct kfd_ipc_obj **obj); +- +-#endif /* KFD_IPC_H_ */ +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c +index 8cf9d44..0649dd4 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c +@@ -99,7 +99,7 @@ static bool initialize(struct kernel_queue *kq, struct kfd_dev *dev, + kq->rptr_kernel = kq->rptr_mem->cpu_ptr; + kq->rptr_gpu_addr = kq->rptr_mem->gpu_addr; + +- retval = kfd_gtt_sa_allocate(dev, dev->device_info->doorbell_size, ++ retval = kfd_gtt_sa_allocate(dev, sizeof(*kq->wptr_kernel), + &kq->wptr_mem); + + if (retval != 0) +@@ -123,7 +123,6 @@ static bool initialize(struct kernel_queue *kq, struct kfd_dev *dev, + prop.write_ptr = (uint32_t *) kq->wptr_gpu_addr; + prop.eop_ring_buffer_address = kq->eop_gpu_addr; + prop.eop_ring_buffer_size = PAGE_SIZE; +- prop.cu_mask = NULL; + + if (init_queue(&kq->queue, &prop) != 0) + goto err_init_queue; +@@ -185,8 +184,8 @@ static void uninitialize(struct kernel_queue *kq) + if (kq->queue->properties.type == KFD_QUEUE_TYPE_HIQ) + kq->mqd->destroy_mqd(kq->mqd, + kq->queue->mqd, +- KFD_PREEMPT_TYPE_WAVEFRONT_RESET, +- KFD_UNMAP_LATENCY_MS, ++ false, ++ QUEUE_PREEMPT_DEFAULT_TIMEOUT_MS, + kq->queue->pipe, + kq->queue->queue); + else if (kq->queue->properties.type == KFD_QUEUE_TYPE_DIQ) +@@ -209,90 +208,39 @@ static int acquire_packet_buffer(struct kernel_queue *kq, + size_t available_size; + size_t queue_size_dwords; + uint32_t wptr, rptr; +- uint64_t wptr64; + unsigned int *queue_address; + +- /* When rptr == wptr, the buffer is empty. +- * When rptr == wptr + 1, the buffer is full. +- * It is always rptr that advances to the position of wptr, rather than +- * the opposite. So we can only use up to queue_size_dwords - 1 dwords. +- */ + rptr = *kq->rptr_kernel; +- wptr = kq->pending_wptr; +- wptr64 = kq->pending_wptr64; ++ wptr = *kq->wptr_kernel; + queue_address = (unsigned int *)kq->pq_kernel_addr; +- queue_size_dwords = kq->queue->properties.queue_size / 4; ++ queue_size_dwords = kq->queue->properties.queue_size / sizeof(uint32_t); + + pr_debug("rptr: %d\n", rptr); + pr_debug("wptr: %d\n", wptr); + pr_debug("queue_address 0x%p\n", queue_address); + +- available_size = (rptr + queue_size_dwords - 1 - wptr) % ++ available_size = (rptr - 1 - wptr + queue_size_dwords) % + queue_size_dwords; + +- if (packet_size_in_dwords > available_size) { ++ if (packet_size_in_dwords >= queue_size_dwords || ++ packet_size_in_dwords >= available_size) { + /* + * make sure calling functions know + * acquire_packet_buffer() failed + */ +- goto err_no_space; ++ *buffer_ptr = NULL; ++ return -ENOMEM; + } + + if (wptr + packet_size_in_dwords >= queue_size_dwords) { +- /* make sure after rolling back to position 0, there is +- * still enough space. +- */ +- if (packet_size_in_dwords >= rptr) +- goto err_no_space; +- +- /* fill nops, roll back and start at position 0 */ + while (wptr > 0) { + queue_address[wptr] = kq->nop_packet; + wptr = (wptr + 1) % queue_size_dwords; +- wptr64++; + } + } + + *buffer_ptr = &queue_address[wptr]; + kq->pending_wptr = wptr + packet_size_in_dwords; +- kq->pending_wptr64 = wptr64 + packet_size_in_dwords; +- +- return 0; +- +-err_no_space: +- *buffer_ptr = NULL; +- return -ENOMEM; +-} +- +-static int acquire_inline_ib(struct kernel_queue *kq, +- size_t size_in_dwords, +- unsigned int **buffer_ptr, +- uint64_t *gpu_addr) +-{ +- int ret; +- unsigned int *buf; +- union PM4_MES_TYPE_3_HEADER nop; +- +- if (size_in_dwords >= (1 << 14)) +- return -EINVAL; +- +- /* Allocate size_in_dwords on the ring, plus an extra dword +- * for a NOP packet header +- */ +- ret = acquire_packet_buffer(kq, size_in_dwords + 1, &buf); +- if (ret) +- return ret; +- +- /* Build a NOP packet that contains the IB as "payload". */ +- nop.u32all = 0; +- nop.opcode = IT_NOP; +- nop.count = size_in_dwords - 1; +- nop.type = PM4_TYPE_3; +- +- *buf = nop.u32all; +- *buffer_ptr = buf + 1; +- *gpu_addr = kq->pq_gpu_addr + ((unsigned long)*buffer_ptr - +- (unsigned long)kq->pq_kernel_addr); + + return 0; + } +@@ -310,7 +258,9 @@ static void submit_packet(struct kernel_queue *kq) + pr_debug("\n"); + #endif + +- kq->ops_asic_specific.submit_packet(kq); ++ *kq->wptr_kernel = kq->pending_wptr; ++ write_kernel_doorbell(kq->queue->properties.doorbell_ptr, ++ kq->pending_wptr); + } + + static void rollback_packet(struct kernel_queue *kq) +@@ -330,42 +280,25 @@ struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, + kq->ops.initialize = initialize; + kq->ops.uninitialize = uninitialize; + kq->ops.acquire_packet_buffer = acquire_packet_buffer; +- kq->ops.acquire_inline_ib = acquire_inline_ib; + kq->ops.submit_packet = submit_packet; + kq->ops.rollback_packet = rollback_packet; + + switch (dev->device_info->asic_family) { + case CHIP_CARRIZO: +- case CHIP_TONGA: +- case CHIP_FIJI: +- case CHIP_POLARIS10: +- case CHIP_POLARIS11: + kernel_queue_init_vi(&kq->ops_asic_specific); + break; + + case CHIP_KAVERI: +- case CHIP_HAWAII: + kernel_queue_init_cik(&kq->ops_asic_specific); + break; +- +- case CHIP_VEGA10: +- case CHIP_RAVEN: +- kernel_queue_init_v9(&kq->ops_asic_specific); +- break; +- default: +- WARN(1, "Unexpected ASIC family %u", +- dev->device_info->asic_family); +- goto out_free; + } + +- if (kq->ops.initialize(kq, dev, type, KFD_KERNEL_QUEUE_SIZE)) +- return kq; +- +- pr_err("Failed to init kernel queue\n"); +- +-out_free: +- kfree(kq); +- return NULL; ++ if (!kq->ops.initialize(kq, dev, type, KFD_KERNEL_QUEUE_SIZE)) { ++ pr_err("Failed to init kernel queue\n"); ++ kfree(kq); ++ return NULL; ++ } ++ return kq; + } + + void kernel_queue_uninit(struct kernel_queue *kq) +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h +index 82c94a6..5940531 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h +@@ -42,12 +42,6 @@ + * pending write pointer to that location so subsequent calls to + * acquire_packet_buffer will get a correct write pointer + * +- * @acquire_inline_ib: Returns a pointer to the location in the kernel +- * queue ring buffer where the calling function can write an inline IB. It is +- * Guaranteed that there is enough space for that IB. It also updates the +- * pending write pointer to that location so subsequent calls to +- * acquire_packet_buffer will get a correct write pointer +- * + * @submit_packet: Update the write pointer and doorbell of a kernel queue. + * + * @sync_with_hw: Wait until the write pointer and the read pointer of a kernel +@@ -65,10 +59,6 @@ struct kernel_queue_ops { + int (*acquire_packet_buffer)(struct kernel_queue *kq, + size_t packet_size_in_dwords, + unsigned int **buffer_ptr); +- int (*acquire_inline_ib)(struct kernel_queue *kq, +- size_t packet_size_in_dwords, +- unsigned int **buffer_ptr, +- uint64_t *gpu_addr); + + void (*submit_packet)(struct kernel_queue *kq); + void (*rollback_packet)(struct kernel_queue *kq); +@@ -82,7 +72,6 @@ struct kernel_queue { + struct kfd_dev *dev; + struct mqd_manager *mqd; + struct queue *queue; +- uint64_t pending_wptr64; + uint32_t pending_wptr; + unsigned int nop_packet; + +@@ -90,10 +79,7 @@ struct kernel_queue { + uint32_t *rptr_kernel; + uint64_t rptr_gpu_addr; + struct kfd_mem_obj *wptr_mem; +- union { +- uint64_t *wptr64_kernel; +- uint32_t *wptr_kernel; +- }; ++ uint32_t *wptr_kernel; + uint64_t wptr_gpu_addr; + struct kfd_mem_obj *pq; + uint64_t pq_gpu_addr; +@@ -111,6 +97,5 @@ struct kernel_queue { + + void kernel_queue_init_cik(struct kernel_queue_ops *ops); + void kernel_queue_init_vi(struct kernel_queue_ops *ops); +-void kernel_queue_init_v9(struct kernel_queue_ops *ops); + + #endif /* KFD_KERNEL_QUEUE_H_ */ +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_cik.c +index 2808422..a90eb44 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_cik.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_cik.c +@@ -22,19 +22,15 @@ + */ + + #include "kfd_kernel_queue.h" +-#include "kfd_pm4_headers.h" +-#include "kfd_pm4_opcodes.h" + + static bool initialize_cik(struct kernel_queue *kq, struct kfd_dev *dev, + enum kfd_queue_type type, unsigned int queue_size); + static void uninitialize_cik(struct kernel_queue *kq); +-static void submit_packet_cik(struct kernel_queue *kq); + + void kernel_queue_init_cik(struct kernel_queue_ops *ops) + { + ops->initialize = initialize_cik; + ops->uninitialize = uninitialize_cik; +- ops->submit_packet = submit_packet_cik; + } + + static bool initialize_cik(struct kernel_queue *kq, struct kfd_dev *dev, +@@ -46,127 +42,3 @@ static bool initialize_cik(struct kernel_queue *kq, struct kfd_dev *dev, + static void uninitialize_cik(struct kernel_queue *kq) + { + } +- +-static void submit_packet_cik(struct kernel_queue *kq) +-{ +- *kq->wptr_kernel = kq->pending_wptr; +- write_kernel_doorbell(kq->queue->properties.doorbell_ptr, +- kq->pending_wptr); +-} +- +-static int pm_map_process_cik(struct packet_manager *pm, uint32_t *buffer, +- struct qcm_process_device *qpd) +-{ +- struct pm4_map_process *packet; +- +- packet = (struct pm4_map_process *)buffer; +- +- memset(buffer, 0, sizeof(struct pm4_map_process)); +- +- packet->header.u32all = pm_build_pm4_header(IT_MAP_PROCESS, +- sizeof(struct pm4_map_process)); +- packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0; +- packet->bitfields2.process_quantum = 1; +- packet->bitfields2.pasid = qpd->pqm->process->pasid; +- packet->bitfields3.page_table_base = qpd->page_table_base; +- packet->bitfields10.gds_size = qpd->gds_size; +- packet->bitfields10.num_gws = qpd->num_gws; +- packet->bitfields10.num_oac = qpd->num_oac; +- packet->bitfields10.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count; +- +- packet->sh_mem_config = qpd->sh_mem_config; +- packet->sh_mem_bases = qpd->sh_mem_bases; +- packet->sh_mem_ape1_base = qpd->sh_mem_ape1_base; +- packet->sh_mem_ape1_limit = qpd->sh_mem_ape1_limit; +- +- packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area); +- packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area); +- +- return 0; +-} +- +-static int pm_map_process_scratch_cik(struct packet_manager *pm, +- uint32_t *buffer, struct qcm_process_device *qpd) +-{ +- struct pm4_map_process_scratch_kv *packet; +- +- packet = (struct pm4_map_process_scratch_kv *)buffer; +- +- memset(buffer, 0, sizeof(struct pm4_map_process_scratch_kv)); +- +- packet->header.u32all = pm_build_pm4_header(IT_MAP_PROCESS, +- sizeof(struct pm4_map_process_scratch_kv)); +- packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0; +- packet->bitfields2.process_quantum = 1; +- packet->bitfields2.pasid = qpd->pqm->process->pasid; +- packet->bitfields3.page_table_base = qpd->page_table_base; +- packet->bitfields14.gds_size = qpd->gds_size; +- packet->bitfields14.num_gws = qpd->num_gws; +- packet->bitfields14.num_oac = qpd->num_oac; +- packet->bitfields14.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count; +- +- packet->sh_mem_config = qpd->sh_mem_config; +- packet->sh_mem_bases = qpd->sh_mem_bases; +- packet->sh_mem_ape1_base = qpd->sh_mem_ape1_base; +- packet->sh_mem_ape1_limit = qpd->sh_mem_ape1_limit; +- +- packet->sh_hidden_private_base_vmid = qpd->sh_hidden_private_base; +- +- packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area); +- packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area); +- +- return 0; +-} +- +-static uint32_t pm_get_map_process_packet_size_cik(void) +-{ +- return sizeof(struct pm4_map_process); +-} +-static uint32_t pm_get_map_process_scratch_packet_size_cik(void) +-{ +- return sizeof(struct pm4_map_process_scratch_kv); +-} +- +- +-static struct packet_manager_funcs kfd_cik_pm_funcs = { +- .map_process = pm_map_process_cik, +- .runlist = pm_runlist_vi, +- .set_resources = pm_set_resources_vi, +- .map_queues = pm_map_queues_vi, +- .unmap_queues = pm_unmap_queues_vi, +- .query_status = pm_query_status_vi, +- .release_mem = pm_release_mem_vi, +- .get_map_process_packet_size = pm_get_map_process_packet_size_cik, +- .get_runlist_packet_size = pm_get_runlist_packet_size_vi, +- .get_set_resources_packet_size = pm_get_set_resources_packet_size_vi, +- .get_map_queues_packet_size = pm_get_map_queues_packet_size_vi, +- .get_unmap_queues_packet_size = pm_get_unmap_queues_packet_size_vi, +- .get_query_status_packet_size = pm_get_query_status_packet_size_vi, +- .get_release_mem_packet_size = pm_get_release_mem_packet_size_vi, +-}; +- +-static struct packet_manager_funcs kfd_cik_scratch_pm_funcs = { +- .map_process = pm_map_process_scratch_cik, +- .runlist = pm_runlist_vi, +- .set_resources = pm_set_resources_vi, +- .map_queues = pm_map_queues_vi, +- .unmap_queues = pm_unmap_queues_vi, +- .query_status = pm_query_status_vi, +- .release_mem = pm_release_mem_vi, +- .get_map_process_packet_size = +- pm_get_map_process_scratch_packet_size_cik, +- .get_runlist_packet_size = pm_get_runlist_packet_size_vi, +- .get_set_resources_packet_size = pm_get_set_resources_packet_size_vi, +- .get_map_queues_packet_size = pm_get_map_queues_packet_size_vi, +- .get_unmap_queues_packet_size = pm_get_unmap_queues_packet_size_vi, +- .get_query_status_packet_size = pm_get_query_status_packet_size_vi, +- .get_release_mem_packet_size = pm_get_release_mem_packet_size_vi, +-}; +- +-void kfd_pm_func_init_cik(struct packet_manager *pm, uint16_t fw_ver) +-{ +- if (fw_ver >= KFD_SCRATCH_KV_FW_VER) +- pm->pmf = &kfd_cik_scratch_pm_funcs; +- else +- pm->pmf = &kfd_cik_pm_funcs; +-} +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_v9.c +deleted file mode 100644 +index 5fe4f60..0000000 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_v9.c ++++ /dev/null +@@ -1,377 +0,0 @@ +-/* +- * Copyright 2016 Advanced Micro Devices, Inc. +- * +- * Permission is hereby granted, free of charge, to any person obtaining a +- * copy of this software and associated documentation files (the "Software"), +- * to deal in the Software without restriction, including without limitation +- * the rights to use, copy, modify, merge, publish, distribute, sublicense, +- * and/or sell copies of the Software, and to permit persons to whom the +- * Software is furnished to do so, subject to the following conditions: +- * +- * The above copyright notice and this permission notice shall be included in +- * all copies or substantial portions of the Software. +- * +- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR +- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +- * OTHER DEALINGS IN THE SOFTWARE. +- * +- */ +- +-#include "kfd_kernel_queue.h" +-#include "kfd_device_queue_manager.h" +-#include "kfd_pm4_headers_ai.h" +-#include "kfd_pm4_opcodes.h" +- +-static bool initialize_v9(struct kernel_queue *kq, struct kfd_dev *dev, +- enum kfd_queue_type type, unsigned int queue_size); +-static void uninitialize_v9(struct kernel_queue *kq); +-static void submit_packet_v9(struct kernel_queue *kq); +- +-void kernel_queue_init_v9(struct kernel_queue_ops *ops) +-{ +- ops->initialize = initialize_v9; +- ops->uninitialize = uninitialize_v9; +- ops->submit_packet = submit_packet_v9; +-} +- +-static bool initialize_v9(struct kernel_queue *kq, struct kfd_dev *dev, +- enum kfd_queue_type type, unsigned int queue_size) +-{ +- int retval; +- +- retval = kfd_gtt_sa_allocate(dev, PAGE_SIZE, &kq->eop_mem); +- if (retval != 0) +- return false; +- +- kq->eop_gpu_addr = kq->eop_mem->gpu_addr; +- kq->eop_kernel_addr = kq->eop_mem->cpu_ptr; +- +- memset(kq->eop_kernel_addr, 0, PAGE_SIZE); +- +- return true; +-} +- +-static void uninitialize_v9(struct kernel_queue *kq) +-{ +- kfd_gtt_sa_free(kq->dev, kq->eop_mem); +-} +- +-static void submit_packet_v9(struct kernel_queue *kq) +-{ +- *kq->wptr64_kernel = kq->pending_wptr64; +- write_kernel_doorbell64(kq->queue->properties.doorbell_ptr, +- kq->pending_wptr64); +-} +- +-static int pm_map_process_v9(struct packet_manager *pm, +- uint32_t *buffer, struct qcm_process_device *qpd) +-{ +- struct pm4_mes_map_process *packet; +- uint64_t vm_page_table_base_addr = +- (uint64_t)(qpd->page_table_base) << 12; +- +- packet = (struct pm4_mes_map_process *)buffer; +- memset(buffer, 0, sizeof(struct pm4_mes_map_process)); +- +- packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS, +- sizeof(struct pm4_mes_map_process)); +- packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0; +- packet->bitfields2.process_quantum = 1; +- packet->bitfields2.pasid = qpd->pqm->process->pasid; +- packet->bitfields14.gds_size = qpd->gds_size; +- packet->bitfields14.num_gws = qpd->num_gws; +- packet->bitfields14.num_oac = qpd->num_oac; +- packet->bitfields14.sdma_enable = 1; +- packet->bitfields14.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count; +- +- packet->sh_mem_config = qpd->sh_mem_config; +- packet->sh_mem_bases = qpd->sh_mem_bases; +- packet->sq_shader_tba_lo = lower_32_bits(qpd->tba_addr >> 8); +- packet->sq_shader_tba_hi = upper_32_bits(qpd->tba_addr >> 8); +- packet->sq_shader_tma_lo = lower_32_bits(qpd->tma_addr >> 8); +- packet->sq_shader_tma_hi = upper_32_bits(qpd->tma_addr >> 8); +- +- packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area); +- packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area); +- +- packet->vm_context_page_table_base_addr_lo32 = +- lower_32_bits(vm_page_table_base_addr); +- packet->vm_context_page_table_base_addr_hi32 = +- upper_32_bits(vm_page_table_base_addr); +- +- return 0; +-} +- +-static int pm_runlist_v9(struct packet_manager *pm, uint32_t *buffer, +- uint64_t ib, size_t ib_size_in_dwords, bool chain) +-{ +- struct pm4_mes_runlist *packet; +- +- int concurrent_proc_cnt = 0; +- struct kfd_dev *kfd = pm->dqm->dev; +- +- /* Determine the number of processes to map together to HW: +- * it can not exceed the number of VMIDs available to the +- * scheduler, and it is determined by the smaller of the number +- * of processes in the runlist and kfd module parameter +- * hws_max_conc_proc. +- * Note: the arbitration between the number of VMIDs and +- * hws_max_conc_proc has been done in +- * kgd2kfd_device_init(). +- */ +- concurrent_proc_cnt = min(pm->dqm->processes_count, +- kfd->max_proc_per_quantum); +- +- +- packet = (struct pm4_mes_runlist *)buffer; +- +- memset(buffer, 0, sizeof(struct pm4_mes_runlist)); +- packet->header.u32All = pm_build_pm4_header(IT_RUN_LIST, +- sizeof(struct pm4_mes_runlist)); +- +- packet->bitfields4.ib_size = ib_size_in_dwords; +- packet->bitfields4.chain = chain ? 1 : 0; +- packet->bitfields4.offload_polling = 0; +- packet->bitfields4.valid = 1; +- packet->bitfields4.process_cnt = concurrent_proc_cnt; +- packet->ordinal2 = lower_32_bits(ib); +- packet->ib_base_hi = upper_32_bits(ib); +- +- return 0; +-} +- +-static int pm_map_queues_v9(struct packet_manager *pm, uint32_t *buffer, +- struct queue *q, bool is_static) +-{ +- struct pm4_mes_map_queues *packet; +- bool use_static = is_static; +- +- packet = (struct pm4_mes_map_queues *)buffer; +- memset(buffer, 0, sizeof(struct pm4_mes_map_queues)); +- +- packet->header.u32All = pm_build_pm4_header(IT_MAP_QUEUES, +- sizeof(struct pm4_mes_map_queues)); +- packet->bitfields2.alloc_format = +- alloc_format__mes_map_queues__one_per_pipe_vi; +- packet->bitfields2.num_queues = 1; +- packet->bitfields2.queue_sel = +- queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi; +- +- packet->bitfields2.engine_sel = +- engine_sel__mes_map_queues__compute_vi; +- packet->bitfields2.queue_type = +- queue_type__mes_map_queues__normal_compute_vi; +- +- switch (q->properties.type) { +- case KFD_QUEUE_TYPE_COMPUTE: +- if (use_static) +- packet->bitfields2.queue_type = +- queue_type__mes_map_queues__normal_latency_static_queue_vi; +- break; +- case KFD_QUEUE_TYPE_DIQ: +- packet->bitfields2.queue_type = +- queue_type__mes_map_queues__debug_interface_queue_vi; +- break; +- case KFD_QUEUE_TYPE_SDMA: +- packet->bitfields2.engine_sel = q->properties.sdma_engine_id + +- engine_sel__mes_map_queues__sdma0_vi; +- use_static = false; /* no static queues under SDMA */ +- break; +- default: +- WARN(1, "queue type %d", q->properties.type); +- return -EINVAL; +- } +- packet->bitfields3.doorbell_offset = +- q->properties.doorbell_off; +- +- packet->mqd_addr_lo = +- lower_32_bits(q->gart_mqd_addr); +- +- packet->mqd_addr_hi = +- upper_32_bits(q->gart_mqd_addr); +- +- packet->wptr_addr_lo = +- lower_32_bits((uint64_t)q->properties.write_ptr); +- +- packet->wptr_addr_hi = +- upper_32_bits((uint64_t)q->properties.write_ptr); +- +- return 0; +-} +- +-static int pm_unmap_queues_v9(struct packet_manager *pm, uint32_t *buffer, +- enum kfd_queue_type type, +- enum kfd_unmap_queues_filter filter, +- uint32_t filter_param, bool reset, +- unsigned int sdma_engine) +-{ +- struct pm4_mes_unmap_queues *packet; +- +- packet = (struct pm4_mes_unmap_queues *)buffer; +- memset(buffer, 0, sizeof(struct pm4_mes_unmap_queues)); +- +- packet->header.u32All = pm_build_pm4_header(IT_UNMAP_QUEUES, +- sizeof(struct pm4_mes_unmap_queues)); +- switch (type) { +- case KFD_QUEUE_TYPE_COMPUTE: +- case KFD_QUEUE_TYPE_DIQ: +- packet->bitfields2.engine_sel = +- engine_sel__mes_unmap_queues__compute; +- break; +- case KFD_QUEUE_TYPE_SDMA: +- packet->bitfields2.engine_sel = +- engine_sel__mes_unmap_queues__sdma0 + sdma_engine; +- break; +- default: +- WARN(1, "queue type %d", type); +- return -EINVAL; +- } +- +- if (reset) +- packet->bitfields2.action = +- action__mes_unmap_queues__reset_queues; +- else +- packet->bitfields2.action = +- action__mes_unmap_queues__preempt_queues; +- +- switch (filter) { +- case KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: +- packet->bitfields2.queue_sel = +- queue_sel__mes_unmap_queues__perform_request_on_specified_queues; +- packet->bitfields2.num_queues = 1; +- packet->bitfields3b.doorbell_offset0 = filter_param; +- break; +- case KFD_UNMAP_QUEUES_FILTER_BY_PASID: +- packet->bitfields2.queue_sel = +- queue_sel__mes_unmap_queues__perform_request_on_pasid_queues; +- packet->bitfields3a.pasid = filter_param; +- break; +- case KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: +- packet->bitfields2.queue_sel = +- queue_sel__mes_unmap_queues__unmap_all_queues; +- break; +- case KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES: +- /* in this case, we do not preempt static queues */ +- packet->bitfields2.queue_sel = +- queue_sel__mes_unmap_queues__unmap_all_non_static_queues; +- break; +- default: +- WARN(1, "filter %d", filter); +- return -EINVAL; +- } +- +- return 0; +- +-} +- +-static int pm_query_status_v9(struct packet_manager *pm, uint32_t *buffer, +- uint64_t fence_address, uint32_t fence_value) +-{ +- struct pm4_mes_query_status *packet; +- +- packet = (struct pm4_mes_query_status *)buffer; +- memset(buffer, 0, sizeof(struct pm4_mes_query_status)); +- +- +- packet->header.u32All = pm_build_pm4_header(IT_QUERY_STATUS, +- sizeof(struct pm4_mes_query_status)); +- +- packet->bitfields2.context_id = 0; +- packet->bitfields2.interrupt_sel = +- interrupt_sel__mes_query_status__completion_status; +- packet->bitfields2.command = +- command__mes_query_status__fence_only_after_write_ack; +- +- packet->addr_hi = upper_32_bits((uint64_t)fence_address); +- packet->addr_lo = lower_32_bits((uint64_t)fence_address); +- packet->data_hi = upper_32_bits((uint64_t)fence_value); +- packet->data_lo = lower_32_bits((uint64_t)fence_value); +- +- return 0; +-} +- +- +-static uint32_t pm_release_mem_v9(uint64_t gpu_addr, uint32_t *buffer) +-{ +- struct pm4_mec_release_mem *packet; +- +- packet = (struct pm4_mec_release_mem *)buffer; +- memset(buffer, 0, sizeof(struct pm4_mec_release_mem)); +- +- packet->header.u32All = pm_build_pm4_header(IT_RELEASE_MEM, +- sizeof(struct pm4_mec_release_mem)); +- +- packet->bitfields2.event_type = CACHE_FLUSH_AND_INV_TS_EVENT; +- packet->bitfields2.event_index = event_index__mec_release_mem__end_of_pipe; +- packet->bitfields2.tcl1_action_ena = 1; +- packet->bitfields2.tc_action_ena = 1; +- packet->bitfields2.cache_policy = cache_policy__mec_release_mem__lru; +- +- packet->bitfields3.data_sel = data_sel__mec_release_mem__send_32_bit_low; +- packet->bitfields3.int_sel = +- int_sel__mec_release_mem__send_interrupt_after_write_confirm; +- +- packet->bitfields4.address_lo_32b = (gpu_addr & 0xffffffff) >> 2; +- packet->address_hi = upper_32_bits(gpu_addr); +- +- packet->data_lo = 0; +- +- return sizeof(struct pm4_mec_release_mem) / sizeof(unsigned int); +-} +- +-static uint32_t pm_get_map_process_packet_size_v9(void) +-{ +- return sizeof(struct pm4_mes_map_process); +-} +- +-static uint32_t pm_get_runlist_packet_size_v9(void) +-{ +- return sizeof(struct pm4_mes_runlist); +-} +- +-static uint32_t pm_get_map_queues_packet_size_v9(void) +-{ +- return sizeof(struct pm4_mes_map_queues); +-} +- +-static uint32_t pm_get_unmap_queues_packet_size_v9(void) +-{ +- return sizeof(struct pm4_mes_unmap_queues); +-} +- +-static uint32_t pm_get_query_status_packet_size_v9(void) +-{ +- return sizeof(struct pm4_mes_query_status); +-} +- +-static uint32_t pm_get_release_mem_packet_size_v9(void) +-{ +- return sizeof(struct pm4_mec_release_mem); +-} +- +-static struct packet_manager_funcs kfd_v9_pm_funcs = { +- .map_process = pm_map_process_v9, +- .runlist = pm_runlist_v9, +- .set_resources = pm_set_resources_vi, +- .map_queues = pm_map_queues_v9, +- .unmap_queues = pm_unmap_queues_v9, +- .query_status = pm_query_status_v9, +- .release_mem = pm_release_mem_v9, +- .get_map_process_packet_size = pm_get_map_process_packet_size_v9, +- .get_runlist_packet_size = pm_get_runlist_packet_size_v9, +- .get_set_resources_packet_size = pm_get_set_resources_packet_size_vi, +- .get_map_queues_packet_size = pm_get_map_queues_packet_size_v9, +- .get_unmap_queues_packet_size = pm_get_unmap_queues_packet_size_v9, +- .get_query_status_packet_size = pm_get_query_status_packet_size_v9, +- .get_release_mem_packet_size = pm_get_release_mem_packet_size_v9, +-}; +- +-void kfd_pm_func_init_v9(struct packet_manager *pm, uint16_t fw_ver) +-{ +- pm->pmf = &kfd_v9_pm_funcs; +-} +- +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_vi.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_vi.c +index 9022ecb..f1d4828 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_vi.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_vi.c +@@ -22,20 +22,15 @@ + */ + + #include "kfd_kernel_queue.h" +-#include "kfd_device_queue_manager.h" +-#include "kfd_pm4_headers_vi.h" +-#include "kfd_pm4_opcodes.h" + + static bool initialize_vi(struct kernel_queue *kq, struct kfd_dev *dev, + enum kfd_queue_type type, unsigned int queue_size); + static void uninitialize_vi(struct kernel_queue *kq); +-static void submit_packet_vi(struct kernel_queue *kq); + + void kernel_queue_init_vi(struct kernel_queue_ops *ops) + { + ops->initialize = initialize_vi; + ops->uninitialize = uninitialize_vi; +- ops->submit_packet = submit_packet_vi; + } + + static bool initialize_vi(struct kernel_queue *kq, struct kfd_dev *dev, +@@ -59,359 +54,3 @@ static void uninitialize_vi(struct kernel_queue *kq) + { + kfd_gtt_sa_free(kq->dev, kq->eop_mem); + } +- +-static void submit_packet_vi(struct kernel_queue *kq) +-{ +- *kq->wptr_kernel = kq->pending_wptr; +- write_kernel_doorbell(kq->queue->properties.doorbell_ptr, +- kq->pending_wptr); +-} +- +-static int pm_map_process_vi(struct packet_manager *pm, +- uint32_t *buffer, struct qcm_process_device *qpd) +-{ +- struct pm4_mes_map_process *packet; +- +- packet = (struct pm4_mes_map_process *)buffer; +- memset(buffer, 0, sizeof(struct pm4_mes_map_process)); +- +- packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS, +- sizeof(struct pm4_mes_map_process)); +- packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0; +- packet->bitfields2.process_quantum = 1; +- packet->bitfields2.pasid = qpd->pqm->process->pasid; +- packet->bitfields3.page_table_base = qpd->page_table_base; +- packet->bitfields10.gds_size = qpd->gds_size; +- packet->bitfields10.num_gws = qpd->num_gws; +- packet->bitfields10.num_oac = qpd->num_oac; +- packet->bitfields10.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count; +- +- packet->sh_mem_config = qpd->sh_mem_config; +- packet->sh_mem_bases = qpd->sh_mem_bases; +- packet->sh_mem_ape1_base = qpd->sh_mem_ape1_base; +- packet->sh_mem_ape1_limit = qpd->sh_mem_ape1_limit; +- +- packet->sh_hidden_private_base_vmid = qpd->sh_hidden_private_base; +- +- packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area); +- packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area); +- +- return 0; +-} +- +- +-unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size) +-{ +- union PM4_MES_TYPE_3_HEADER header; +- +- header.u32All = 0; +- header.opcode = opcode; +- header.count = packet_size / 4 - 2; +- header.type = PM4_TYPE_3; +- +- return header.u32All; +-} +- +-int pm_runlist_vi(struct packet_manager *pm, uint32_t *buffer, +- uint64_t ib, size_t ib_size_in_dwords, bool chain) +-{ +- struct pm4_mes_runlist *packet; +- +- int concurrent_proc_cnt = 0; +- struct kfd_dev *kfd = pm->dqm->dev; +- +- /* Determine the number of processes to map together to HW: +- * it can not exceed the number of VMIDs available to the +- * scheduler, and it is determined by the smaller of the number +- * of processes in the runlist and kfd module parameter +- * hws_max_conc_proc. +- * Note: the arbitration between the number of VMIDs and +- * hws_max_conc_proc has been done in +- * kgd2kfd_device_init(). +- */ +- concurrent_proc_cnt = min(pm->dqm->processes_count, +- kfd->max_proc_per_quantum); +- +- +- packet = (struct pm4_mes_runlist *)buffer; +- +- memset(buffer, 0, sizeof(struct pm4_mes_runlist)); +- packet->header.u32All = pm_build_pm4_header(IT_RUN_LIST, +- sizeof(struct pm4_mes_runlist)); +- +- packet->bitfields4.ib_size = ib_size_in_dwords; +- packet->bitfields4.chain = chain ? 1 : 0; +- packet->bitfields4.offload_polling = 0; +- packet->bitfields4.valid = 1; +- packet->bitfields4.process_cnt = concurrent_proc_cnt; +- packet->ordinal2 = lower_32_bits(ib); +- packet->bitfields3.ib_base_hi = upper_32_bits(ib); +- +- return 0; +-} +- +-int pm_map_queues_vi(struct packet_manager *pm, uint32_t *buffer, +- struct queue *q, bool is_static) +-{ +- struct pm4_mes_map_queues *packet; +- bool use_static = is_static; +- +- packet = (struct pm4_mes_map_queues *)buffer; +- memset(buffer, 0, sizeof(struct pm4_mes_map_queues)); +- +- packet->header.u32All = pm_build_pm4_header(IT_MAP_QUEUES, +- sizeof(struct pm4_mes_map_queues)); +- packet->bitfields2.alloc_format = +- alloc_format__mes_map_queues__one_per_pipe_vi; +- packet->bitfields2.num_queues = 1; +- packet->bitfields2.queue_sel = +- queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi; +- +- packet->bitfields2.engine_sel = +- engine_sel__mes_map_queues__compute_vi; +- packet->bitfields2.queue_type = +- queue_type__mes_map_queues__normal_compute_vi; +- +- switch (q->properties.type) { +- case KFD_QUEUE_TYPE_COMPUTE: +- if (use_static) +- packet->bitfields2.queue_type = +- queue_type__mes_map_queues__normal_latency_static_queue_vi; +- break; +- case KFD_QUEUE_TYPE_DIQ: +- packet->bitfields2.queue_type = +- queue_type__mes_map_queues__debug_interface_queue_vi; +- break; +- case KFD_QUEUE_TYPE_SDMA: +- packet->bitfields2.engine_sel = q->properties.sdma_engine_id + +- engine_sel__mes_map_queues__sdma0_vi; +- use_static = false; /* no static queues under SDMA */ +- break; +- default: +- WARN(1, "queue type %d", q->properties.type); +- return -EINVAL; +- } +- packet->bitfields3.doorbell_offset = +- q->properties.doorbell_off; +- +- packet->mqd_addr_lo = +- lower_32_bits(q->gart_mqd_addr); +- +- packet->mqd_addr_hi = +- upper_32_bits(q->gart_mqd_addr); +- +- packet->wptr_addr_lo = +- lower_32_bits((uint64_t)q->properties.write_ptr); +- +- packet->wptr_addr_hi = +- upper_32_bits((uint64_t)q->properties.write_ptr); +- +- return 0; +-} +- +-int pm_set_resources_vi(struct packet_manager *pm, uint32_t *buffer, +- struct scheduling_resources *res) +-{ +- struct pm4_mes_set_resources *packet; +- +- packet = (struct pm4_mes_set_resources *)buffer; +- memset(buffer, 0, sizeof(struct pm4_mes_set_resources)); +- +- packet->header.u32All = pm_build_pm4_header(IT_SET_RESOURCES, +- sizeof(struct pm4_mes_set_resources)); +- +- packet->bitfields2.queue_type = +- queue_type__mes_set_resources__hsa_interface_queue_hiq; +- packet->bitfields2.vmid_mask = res->vmid_mask; +- packet->bitfields2.unmap_latency = KFD_UNMAP_LATENCY_MS / 100; +- packet->bitfields7.oac_mask = res->oac_mask; +- packet->bitfields8.gds_heap_base = res->gds_heap_base; +- packet->bitfields8.gds_heap_size = res->gds_heap_size; +- +- packet->gws_mask_lo = lower_32_bits(res->gws_mask); +- packet->gws_mask_hi = upper_32_bits(res->gws_mask); +- +- packet->queue_mask_lo = lower_32_bits(res->queue_mask); +- packet->queue_mask_hi = upper_32_bits(res->queue_mask); +- +- return 0; +-} +- +-int pm_unmap_queues_vi(struct packet_manager *pm, uint32_t *buffer, +- enum kfd_queue_type type, +- enum kfd_unmap_queues_filter filter, +- uint32_t filter_param, bool reset, +- unsigned int sdma_engine) +-{ +- struct pm4_mes_unmap_queues *packet; +- +- packet = (struct pm4_mes_unmap_queues *)buffer; +- memset(buffer, 0, sizeof(struct pm4_mes_unmap_queues)); +- +- packet->header.u32All = pm_build_pm4_header(IT_UNMAP_QUEUES, +- sizeof(struct pm4_mes_unmap_queues)); +- switch (type) { +- case KFD_QUEUE_TYPE_COMPUTE: +- case KFD_QUEUE_TYPE_DIQ: +- packet->bitfields2.engine_sel = +- engine_sel__mes_unmap_queues__compute; +- break; +- case KFD_QUEUE_TYPE_SDMA: +- packet->bitfields2.engine_sel = +- engine_sel__mes_unmap_queues__sdma0 + sdma_engine; +- break; +- default: +- WARN(1, "queue type %d", type); +- return -EINVAL; +- } +- +- if (reset) +- packet->bitfields2.action = +- action__mes_unmap_queues__reset_queues; +- else +- packet->bitfields2.action = +- action__mes_unmap_queues__preempt_queues; +- +- switch (filter) { +- case KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: +- packet->bitfields2.queue_sel = +- queue_sel__mes_unmap_queues__perform_request_on_specified_queues; +- packet->bitfields2.num_queues = 1; +- packet->bitfields3b.doorbell_offset0 = filter_param; +- break; +- case KFD_UNMAP_QUEUES_FILTER_BY_PASID: +- packet->bitfields2.queue_sel = +- queue_sel__mes_unmap_queues__perform_request_on_pasid_queues; +- packet->bitfields3a.pasid = filter_param; +- break; +- case KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: +- packet->bitfields2.queue_sel = +- queue_sel__mes_unmap_queues__unmap_all_queues; +- break; +- case KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES: +- /* in this case, we do not preempt static queues */ +- packet->bitfields2.queue_sel = +- queue_sel__mes_unmap_queues__unmap_all_non_static_queues; +- break; +- default: +- WARN(1, "filter %d", filter); +- return -EINVAL; +- } +- +- return 0; +- +-} +- +-int pm_query_status_vi(struct packet_manager *pm, uint32_t *buffer, +- uint64_t fence_address, uint32_t fence_value) +-{ +- struct pm4_mes_query_status *packet; +- +- packet = (struct pm4_mes_query_status *)buffer; +- memset(buffer, 0, sizeof(struct pm4_mes_query_status)); +- +- +- packet->header.u32All = pm_build_pm4_header(IT_QUERY_STATUS, +- sizeof(struct pm4_mes_query_status)); +- +- packet->bitfields2.context_id = 0; +- packet->bitfields2.interrupt_sel = +- interrupt_sel__mes_query_status__completion_status; +- packet->bitfields2.command = +- command__mes_query_status__fence_only_after_write_ack; +- +- packet->addr_hi = upper_32_bits((uint64_t)fence_address); +- packet->addr_lo = lower_32_bits((uint64_t)fence_address); +- packet->data_hi = upper_32_bits((uint64_t)fence_value); +- packet->data_lo = lower_32_bits((uint64_t)fence_value); +- +- return 0; +-} +- +- +-uint32_t pm_release_mem_vi(uint64_t gpu_addr, uint32_t *buffer) +-{ +- struct pm4_mec_release_mem *packet; +- +- packet = (struct pm4_mec_release_mem *)buffer; +- memset(buffer, 0, sizeof(struct pm4_mec_release_mem)); +- +- packet->header.u32All = pm_build_pm4_header(IT_RELEASE_MEM, +- sizeof(struct pm4_mec_release_mem)); +- +- packet->bitfields2.event_type = CACHE_FLUSH_AND_INV_TS_EVENT; +- packet->bitfields2.event_index = event_index___release_mem__end_of_pipe; +- packet->bitfields2.tcl1_action_ena = 1; +- packet->bitfields2.tc_action_ena = 1; +- packet->bitfields2.cache_policy = cache_policy___release_mem__lru; +- packet->bitfields2.atc = 0; +- +- packet->bitfields3.data_sel = data_sel___release_mem__send_32_bit_low; +- packet->bitfields3.int_sel = +- int_sel___release_mem__send_interrupt_after_write_confirm; +- +- packet->bitfields4.address_lo_32b = (gpu_addr & 0xffffffff) >> 2; +- packet->address_hi = upper_32_bits(gpu_addr); +- +- packet->data_lo = 0; +- +- return sizeof(struct pm4_mec_release_mem) / sizeof(unsigned int); +-} +- +-uint32_t pm_get_map_process_packet_size_vi(void) +-{ +- return sizeof(struct pm4_mes_map_process); +-} +- +-uint32_t pm_get_runlist_packet_size_vi(void) +-{ +- return sizeof(struct pm4_mes_runlist); +-} +- +-uint32_t pm_get_set_resources_packet_size_vi(void) +-{ +- return sizeof(struct pm4_mes_set_resources); +-} +- +-uint32_t pm_get_map_queues_packet_size_vi(void) +-{ +- return sizeof(struct pm4_mes_map_queues); +-} +- +-uint32_t pm_get_unmap_queues_packet_size_vi(void) +-{ +- return sizeof(struct pm4_mes_unmap_queues); +-} +- +-uint32_t pm_get_query_status_packet_size_vi(void) +-{ +- return sizeof(struct pm4_mes_query_status); +-} +- +-uint32_t pm_get_release_mem_packet_size_vi(void) +-{ +- return sizeof(struct pm4_mec_release_mem); +-} +- +- +-static struct packet_manager_funcs kfd_vi_pm_funcs = { +- .map_process = pm_map_process_vi, +- .runlist = pm_runlist_vi, +- .set_resources = pm_set_resources_vi, +- .map_queues = pm_map_queues_vi, +- .unmap_queues = pm_unmap_queues_vi, +- .query_status = pm_query_status_vi, +- .release_mem = pm_release_mem_vi, +- .get_map_process_packet_size = pm_get_map_process_packet_size_vi, +- .get_runlist_packet_size = pm_get_runlist_packet_size_vi, +- .get_set_resources_packet_size = pm_get_set_resources_packet_size_vi, +- .get_map_queues_packet_size = pm_get_map_queues_packet_size_vi, +- .get_unmap_queues_packet_size = pm_get_unmap_queues_packet_size_vi, +- .get_query_status_packet_size = pm_get_query_status_packet_size_vi, +- .get_release_mem_packet_size = pm_get_release_mem_packet_size_vi, +-}; +- +-void kfd_pm_func_init_vi(struct packet_manager *pm, uint16_t fw_ver) +-{ +- pm->pmf = &kfd_vi_pm_funcs; +-} +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_module.c b/drivers/gpu/drm/amd/amdkfd/kfd_module.c +index b6f9d23..0d73bea 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_module.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_module.c +@@ -29,10 +29,10 @@ + #define KFD_DRIVER_AUTHOR "AMD Inc. and others" + + #define KFD_DRIVER_DESC "Standalone HSA driver for AMD's GPUs" +-#define KFD_DRIVER_DATE "20160408" +-#define KFD_DRIVER_MAJOR 2 +-#define KFD_DRIVER_MINOR 0 +-#define KFD_DRIVER_PATCHLEVEL 0 ++#define KFD_DRIVER_DATE "20150421" ++#define KFD_DRIVER_MAJOR 0 ++#define KFD_DRIVER_MINOR 7 ++#define KFD_DRIVER_PATCHLEVEL 2 + + static const struct kgd2kfd_calls kgd2kfd = { + .exit = kgd2kfd_exit, +@@ -42,12 +42,6 @@ static const struct kgd2kfd_calls kgd2kfd = { + .interrupt = kgd2kfd_interrupt, + .suspend = kgd2kfd_suspend, + .resume = kgd2kfd_resume, +- .quiesce_mm = kgd2kfd_quiesce_mm, +- .resume_mm = kgd2kfd_resume_mm, +- .schedule_evict_and_restore_process = +- kgd2kfd_schedule_evict_and_restore_process, +- .pre_reset = kgd2kfd_pre_reset, +- .post_reset = kgd2kfd_post_reset, + }; + + int sched_policy = KFD_SCHED_POLICY_HWS; +@@ -55,15 +49,6 @@ module_param(sched_policy, int, 0444); + MODULE_PARM_DESC(sched_policy, + "Scheduling policy (0 = HWS (Default), 1 = HWS without over-subscription, 2 = Non-HWS (Used for debugging only)"); + +-int hws_max_conc_proc = 8; +-module_param(hws_max_conc_proc, int, 0444); +-MODULE_PARM_DESC(hws_max_conc_proc, +- "Max # processes HWS can execute concurrently when sched_policy=0 (0 = no concurrency, #VMIDs for KFD = Maximum(default))"); +- +-int cwsr_enable = 1; +-module_param(cwsr_enable, int, 0444); +-MODULE_PARM_DESC(cwsr_enable, "CWSR enable (0 = Off, 1 = On (Default))"); +- + int max_num_of_queues_per_device = KFD_MAX_NUM_OF_QUEUES_PER_DEVICE_DEFAULT; + module_param(max_num_of_queues_per_device, int, 0444); + MODULE_PARM_DESC(max_num_of_queues_per_device, +@@ -76,33 +61,6 @@ MODULE_PARM_DESC(send_sigterm, + + static int amdkfd_init_completed; + +-int debug_largebar; +-module_param(debug_largebar, int, 0444); +-MODULE_PARM_DESC(debug_largebar, +- "Debug large-bar flag used to simulate large-bar capability on non-large bar machine (0 = disable, 1 = enable)"); +- +-int ignore_crat; +-module_param(ignore_crat, int, 0444); +-MODULE_PARM_DESC(ignore_crat, +- "Ignore CRAT table during KFD initialization (0 = use CRAT (default), 1 = ignore CRAT)"); +- +-int vega10_noretry; +-module_param_named(noretry, vega10_noretry, int, 0644); +-MODULE_PARM_DESC(noretry, +- "Set sh_mem_config.retry_disable on Vega10 (0 = retry enabled (default), 1 = retry disabled)"); +- +-int priv_cp_queues; +-module_param(priv_cp_queues, int, 0644); +-MODULE_PARM_DESC(priv_cp_queues, +- "Enable privileged mode for CP queues (0 = off (default), 1 = on)"); +- +-#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0) && defined(BUILD_AS_DKMS) +-int cma_enable; +-module_param(cma_enable, int, 0644); +-MODULE_PARM_DESC(cma_enable, +- "Enable CMA (1 = enable, 0 = disable (default)). Warning! relaxed access check"); +-#endif +- + int kgd2kfd_init(unsigned int interface_version, + const struct kgd2kfd_calls **g2f) + { +@@ -145,6 +103,10 @@ static int __init kfd_module_init(void) + return -1; + } + ++ err = kfd_pasid_init(); ++ if (err < 0) ++ return err; ++ + err = kfd_chardev_init(); + if (err < 0) + goto err_ioctl; +@@ -153,16 +115,8 @@ static int __init kfd_module_init(void) + if (err < 0) + goto err_topology; + +- err = kfd_ipc_init(); +- if (err < 0) +- goto err_topology; +- + kfd_process_create_wq(); + +- kfd_init_peer_direct(); +- +- kfd_debugfs_init(); +- + amdkfd_init_completed = 1; + + dev_info(kfd_device, "Initialized module\n"); +@@ -172,6 +126,7 @@ static int __init kfd_module_init(void) + err_topology: + kfd_chardev_exit(); + err_ioctl: ++ kfd_pasid_exit(); + return err; + } + +@@ -179,11 +134,10 @@ static void __exit kfd_module_exit(void) + { + amdkfd_init_completed = 0; + +- kfd_debugfs_fini(); +- kfd_close_peer_direct(); + kfd_process_destroy_wq(); + kfd_topology_shutdown(); + kfd_chardev_exit(); ++ kfd_pasid_exit(); + dev_info(kfd_device, "Removed module\n"); + } + +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c +index 8279b74..b1ef136 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c +@@ -23,69 +23,14 @@ + + #include "kfd_priv.h" + +-/* Mapping queue priority to pipe priority, indexed by queue priority */ +-int pipe_priority_map[] = { +- KFD_PIPE_PRIORITY_CS_LOW, +- KFD_PIPE_PRIORITY_CS_LOW, +- KFD_PIPE_PRIORITY_CS_LOW, +- KFD_PIPE_PRIORITY_CS_LOW, +- KFD_PIPE_PRIORITY_CS_LOW, +- KFD_PIPE_PRIORITY_CS_LOW, +- KFD_PIPE_PRIORITY_CS_LOW, +- KFD_PIPE_PRIORITY_CS_MEDIUM, +- KFD_PIPE_PRIORITY_CS_MEDIUM, +- KFD_PIPE_PRIORITY_CS_MEDIUM, +- KFD_PIPE_PRIORITY_CS_MEDIUM, +- KFD_PIPE_PRIORITY_CS_HIGH, +- KFD_PIPE_PRIORITY_CS_HIGH, +- KFD_PIPE_PRIORITY_CS_HIGH, +- KFD_PIPE_PRIORITY_CS_HIGH, +- KFD_PIPE_PRIORITY_CS_HIGH +-}; +- +-/* Mapping queue priority to SPI priority, indexed by queue priority +- * SPI priority 2 and 3 are reserved for trap handler context save +- */ +-int spi_priority_map[] = { +- KFD_SPI_PRIORITY_EXTRA_LOW, +- KFD_SPI_PRIORITY_EXTRA_LOW, +- KFD_SPI_PRIORITY_EXTRA_LOW, +- KFD_SPI_PRIORITY_EXTRA_LOW, +- KFD_SPI_PRIORITY_EXTRA_LOW, +- KFD_SPI_PRIORITY_EXTRA_LOW, +- KFD_SPI_PRIORITY_EXTRA_LOW, +- KFD_SPI_PRIORITY_EXTRA_LOW, +- KFD_SPI_PRIORITY_LOW, +- KFD_SPI_PRIORITY_LOW, +- KFD_SPI_PRIORITY_LOW, +- KFD_SPI_PRIORITY_LOW, +- KFD_SPI_PRIORITY_LOW, +- KFD_SPI_PRIORITY_LOW, +- KFD_SPI_PRIORITY_LOW, +- KFD_SPI_PRIORITY_LOW +-}; +- + struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type, + struct kfd_dev *dev) + { + switch (dev->device_info->asic_family) { + case CHIP_KAVERI: + return mqd_manager_init_cik(type, dev); +- case CHIP_HAWAII: +- return mqd_manager_init_cik_hawaii(type, dev); + case CHIP_CARRIZO: + return mqd_manager_init_vi(type, dev); +- case CHIP_TONGA: +- case CHIP_FIJI: +- case CHIP_POLARIS10: +- case CHIP_POLARIS11: +- return mqd_manager_init_vi_tonga(type, dev); +- case CHIP_VEGA10: +- case CHIP_RAVEN: +- return mqd_manager_init_v9(type, dev); +- default: +- WARN(1, "Unexpected ASIC family %u", +- dev->device_info->asic_family); + } + + return NULL; +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h +index dcaeda8..1f3a6ba 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h +@@ -43,9 +43,6 @@ + * + * @is_occupied: Checks if the relevant HQD slot is occupied. + * +- * @get_wave_state: Retrieves context save state and optionally copies the +- * control stack, if kept in the MQD, to the given userspace address. +- * + * @mqd_mutex: Mqd manager mutex. + * + * @dev: The kfd device structure coupled with this module. +@@ -62,8 +59,7 @@ + * per KFD_MQD_TYPE for each device. + * + */ +-extern int pipe_priority_map[]; +-extern int spi_priority_map[]; ++ + struct mqd_manager { + int (*init_mqd)(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr, +@@ -89,15 +85,6 @@ struct mqd_manager { + uint64_t queue_address, uint32_t pipe_id, + uint32_t queue_id); + +- int (*get_wave_state)(struct mqd_manager *mm, void *mqd, +- void __user *ctl_stack, +- u32 *ctl_stack_used_size, +- u32 *save_area_used_size); +- +-#if defined(CONFIG_DEBUG_FS) +- int (*debugfs_show_mqd)(struct seq_file *m, void *data); +-#endif +- + struct mutex mqd_mutex; + struct kfd_dev *dev; + }; +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c +index 602da80..44ffd23 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c +@@ -30,80 +30,12 @@ + #include "cik_regs.h" + #include "cik_structs.h" + #include "oss/oss_2_4_sh_mask.h" +-#include "gca/gfx_7_2_sh_mask.h" + + static inline struct cik_mqd *get_mqd(void *mqd) + { + return (struct cik_mqd *)mqd; + } + +-static inline struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd) +-{ +- return (struct cik_sdma_rlc_registers *)mqd; +-} +- +-static void update_cu_mask(struct mqd_manager *mm, void *mqd, +- struct queue_properties *q) +-{ +- struct cik_mqd *m; +- struct kfd_cu_info cu_info; +- uint32_t se_mask[4] = {0}; /* 4 is the max # of SEs */ +- uint32_t cu_mask_count = q->cu_mask_count; +- const uint32_t *cu_mask = q->cu_mask; +- int se, cu_per_sh, cu_index, i; +- +- if (cu_mask_count == 0) +- return; +- +- m = get_mqd(mqd); +- m->compute_static_thread_mgmt_se0 = 0; +- m->compute_static_thread_mgmt_se1 = 0; +- m->compute_static_thread_mgmt_se2 = 0; +- m->compute_static_thread_mgmt_se3 = 0; +- +- mm->dev->kfd2kgd->get_cu_info(mm->dev->kgd, &cu_info); +- +- /* If # CU mask bits > # CUs, set it to the # of CUs */ +- if (cu_mask_count > cu_info.cu_active_number) +- cu_mask_count = cu_info.cu_active_number; +- +- cu_index = 0; +- for (se = 0; se < cu_info.num_shader_engines; se++) { +- cu_per_sh = 0; +- +- /* Get the number of CUs on this Shader Engine */ +- for (i = 0; i < 4; i++) +- cu_per_sh += hweight32(cu_info.cu_bitmap[se][i]); +- +- se_mask[se] = cu_mask[cu_index / 32] >> (cu_index % 32); +- if ((cu_per_sh + (cu_index % 32)) > 32) +- se_mask[se] |= cu_mask[(cu_index / 32) + 1] +- << (32 - (cu_index % 32)); +- se_mask[se] &= (1 << cu_per_sh) - 1; +- cu_index += cu_per_sh; +- } +- m->compute_static_thread_mgmt_se0 = se_mask[0]; +- m->compute_static_thread_mgmt_se1 = se_mask[1]; +- m->compute_static_thread_mgmt_se2 = se_mask[2]; +- m->compute_static_thread_mgmt_se3 = se_mask[3]; +- +- pr_debug("Update cu mask to %#x %#x %#x %#x\n", +- m->compute_static_thread_mgmt_se0, +- m->compute_static_thread_mgmt_se1, +- m->compute_static_thread_mgmt_se2, +- m->compute_static_thread_mgmt_se3); +-} +- +-static void set_priority(struct cik_mqd *m, struct queue_properties *q) +-{ +- m->cp_hqd_pipe_priority = pipe_priority_map[q->priority]; +- m->cp_hqd_queue_priority = q->priority; +- m->compute_pgm_rsrc1 = (m->compute_pgm_rsrc1 & +- (~COMPUTE_PGM_RSRC1__PRIORITY_MASK)) | +- (spi_priority_map[q->priority] << +- COMPUTE_PGM_RSRC1__PRIORITY__SHIFT); +-} +- + static int init_mqd(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *q) +@@ -142,6 +74,10 @@ static int init_mqd(struct mqd_manager *mm, void **mqd, + m->cp_mqd_base_addr_lo = lower_32_bits(addr); + m->cp_mqd_base_addr_hi = upper_32_bits(addr); + ++ m->cp_hqd_ib_control = DEFAULT_MIN_IB_AVAIL_SIZE | IB_ATC_EN; ++ /* Although WinKFD writes this, I suspect it should not be necessary */ ++ m->cp_hqd_ib_control = IB_ATC_EN | DEFAULT_MIN_IB_AVAIL_SIZE; ++ + m->cp_hqd_quantum = QUANTUM_EN | QUANTUM_SCALE_1MS | + QUANTUM_DURATION(10); + +@@ -154,15 +90,12 @@ static int init_mqd(struct mqd_manager *mm, void **mqd, + * 1 = CS_MEDIUM (typically between HP3D and GFX + * 2 = CS_HIGH (typically above HP3D) + */ +- set_priority(m, q); ++ m->cp_hqd_pipe_priority = 1; ++ m->cp_hqd_queue_priority = 15; + + if (q->format == KFD_QUEUE_FORMAT_AQL) + m->cp_hqd_iq_rptr = AQL_ENABLE; + +- if (priv_cp_queues) +- m->cp_hqd_pq_control |= +- 1 << CP_HQD_PQ_CONTROL__PRIV_STATE__SHIFT; +- + *mqd = m; + if (gart_addr) + *gart_addr = addr; +@@ -216,7 +149,7 @@ static int load_mqd(struct mqd_manager *mm, void *mqd, uint32_t pipe_id, + { + /* AQL write pointer counts in 64B packets, PM4/CP counts in dwords. */ + uint32_t wptr_shift = (p->format == KFD_QUEUE_FORMAT_AQL ? 4 : 0); +- uint32_t wptr_mask = (uint32_t)((p->queue_size / 4) - 1); ++ uint32_t wptr_mask = (uint32_t)((p->queue_size / sizeof(uint32_t)) - 1); + + return mm->dev->kfd2kgd->hqd_load(mm->dev->kgd, mqd, pipe_id, queue_id, + (uint32_t __user *)p->write_ptr, +@@ -227,30 +160,24 @@ static int load_mqd_sdma(struct mqd_manager *mm, void *mqd, + uint32_t pipe_id, uint32_t queue_id, + struct queue_properties *p, struct mm_struct *mms) + { +- return mm->dev->kfd2kgd->hqd_sdma_load(mm->dev->kgd, mqd, +- (uint32_t __user *)p->write_ptr, +- mms); ++ return mm->dev->kfd2kgd->hqd_sdma_load(mm->dev->kgd, mqd); + } + +-static int __update_mqd(struct mqd_manager *mm, void *mqd, +- struct queue_properties *q, unsigned int atc_bit) ++static int update_mqd(struct mqd_manager *mm, void *mqd, ++ struct queue_properties *q) + { + struct cik_mqd *m; + + m = get_mqd(mqd); + m->cp_hqd_pq_control = DEFAULT_RPTR_BLOCK_SIZE | +- DEFAULT_MIN_AVAIL_SIZE; +- m->cp_hqd_ib_control = DEFAULT_MIN_IB_AVAIL_SIZE; +- if (atc_bit) { +- m->cp_hqd_pq_control |= PQ_ATC_EN; +- m->cp_hqd_ib_control |= IB_ATC_EN; +- } ++ DEFAULT_MIN_AVAIL_SIZE | PQ_ATC_EN; + + /* + * Calculating queue size which is log base 2 of actual queue size -1 + * dwords and another -1 for ffs + */ +- m->cp_hqd_pq_control |= order_base_2(q->queue_size / 4) - 1; ++ m->cp_hqd_pq_control |= ffs(q->queue_size / sizeof(unsigned int)) ++ - 1 - 1; + m->cp_hqd_pq_base_lo = lower_32_bits((uint64_t)q->queue_address >> 8); + m->cp_hqd_pq_base_hi = upper_32_bits((uint64_t)q->queue_address >> 8); + m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); +@@ -262,37 +189,24 @@ static int __update_mqd(struct mqd_manager *mm, void *mqd, + if (q->format == KFD_QUEUE_FORMAT_AQL) + m->cp_hqd_pq_control |= NO_UPDATE_RPTR; + +- update_cu_mask(mm, mqd, q); +- set_priority(m, q); +- +- q->is_active = (q->queue_size > 0 && ++ q->is_active = false; ++ if (q->queue_size > 0 && + q->queue_address != 0 && +- q->queue_percent > 0 && +- !q->is_evicted); ++ q->queue_percent > 0) { ++ q->is_active = true; ++ } + + return 0; + } + +-static int update_mqd(struct mqd_manager *mm, void *mqd, +- struct queue_properties *q) +-{ +- return __update_mqd(mm, mqd, q, 1); +-} +- +-static int update_mqd_hawaii(struct mqd_manager *mm, void *mqd, +- struct queue_properties *q) +-{ +- return __update_mqd(mm, mqd, q, 0); +-} +- + static int update_mqd_sdma(struct mqd_manager *mm, void *mqd, + struct queue_properties *q) + { + struct cik_sdma_rlc_registers *m; + + m = get_sdma_mqd(mqd); +- m->sdma_rlc_rb_cntl = order_base_2(q->queue_size / 4) +- << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT | ++ m->sdma_rlc_rb_cntl = ffs(q->queue_size / sizeof(unsigned int)) << ++ SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT | + q->vmid << SDMA0_RLC0_RB_CNTL__RB_VMID__SHIFT | + 1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT | + 6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT; +@@ -301,18 +215,24 @@ static int update_mqd_sdma(struct mqd_manager *mm, void *mqd, + m->sdma_rlc_rb_base_hi = upper_32_bits(q->queue_address >> 8); + m->sdma_rlc_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); + m->sdma_rlc_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); +- m->sdma_rlc_doorbell = +- q->doorbell_off << SDMA0_RLC0_DOORBELL__OFFSET__SHIFT; ++ m->sdma_rlc_doorbell = q->doorbell_off << ++ SDMA0_RLC0_DOORBELL__OFFSET__SHIFT | ++ 1 << SDMA0_RLC0_DOORBELL__ENABLE__SHIFT; + + m->sdma_rlc_virtual_addr = q->sdma_vm_addr; + + m->sdma_engine_id = q->sdma_engine_id; + m->sdma_queue_id = q->sdma_queue_id; + +- q->is_active = (q->queue_size > 0 && ++ q->is_active = false; ++ if (q->queue_size > 0 && + q->queue_address != 0 && +- q->queue_percent > 0 && +- !q->is_evicted); ++ q->queue_percent > 0) { ++ m->sdma_rlc_rb_cntl |= ++ 1 << SDMA0_RLC0_RB_CNTL__RB_ENABLE__SHIFT; ++ ++ q->is_active = true; ++ } + + return 0; + } +@@ -407,7 +327,8 @@ static int init_mqd_hiq(struct mqd_manager *mm, void **mqd, + * 1 = CS_MEDIUM (typically between HP3D and GFX + * 2 = CS_HIGH (typically above HP3D) + */ +- set_priority(m, q); ++ m->cp_hqd_pipe_priority = 1; ++ m->cp_hqd_queue_priority = 15; + + *mqd = m; + if (gart_addr) +@@ -432,42 +353,37 @@ static int update_mqd_hiq(struct mqd_manager *mm, void *mqd, + * Calculating queue size which is log base 2 of actual queue + * size -1 dwords + */ +- m->cp_hqd_pq_control |= order_base_2(q->queue_size / 4) - 1; ++ m->cp_hqd_pq_control |= ffs(q->queue_size / sizeof(unsigned int)) ++ - 1 - 1; + m->cp_hqd_pq_base_lo = lower_32_bits((uint64_t)q->queue_address >> 8); + m->cp_hqd_pq_base_hi = upper_32_bits((uint64_t)q->queue_address >> 8); + m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); + m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); +- m->cp_hqd_pq_doorbell_control = DOORBELL_OFFSET(q->doorbell_off); ++ m->cp_hqd_pq_doorbell_control = DOORBELL_EN | ++ DOORBELL_OFFSET(q->doorbell_off); + + m->cp_hqd_vmid = q->vmid; + +- q->is_active = (q->queue_size > 0 && ++ m->cp_hqd_active = 0; ++ q->is_active = false; ++ if (q->queue_size > 0 && + q->queue_address != 0 && +- q->queue_percent > 0 && +- !q->is_evicted); +- +- set_priority(m, q); +- return 0; +-} +- +-#if defined(CONFIG_DEBUG_FS) ++ q->queue_percent > 0) { ++ m->cp_hqd_active = 1; ++ q->is_active = true; ++ } + +-static int debugfs_show_mqd(struct seq_file *m, void *data) +-{ +- seq_hex_dump(m, " ", DUMP_PREFIX_OFFSET, 32, 4, +- data, sizeof(struct cik_mqd), false); + return 0; + } + +-static int debugfs_show_mqd_sdma(struct seq_file *m, void *data) ++struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd) + { +- seq_hex_dump(m, " ", DUMP_PREFIX_OFFSET, 32, 4, +- data, sizeof(struct cik_sdma_rlc_registers), false); +- return 0; +-} ++ struct cik_sdma_rlc_registers *m; + +-#endif ++ m = (struct cik_sdma_rlc_registers *)mqd; + ++ return m; ++} + + struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, + struct kfd_dev *dev) +@@ -477,7 +393,7 @@ struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, + if (WARN_ON(type >= KFD_MQD_TYPE_MAX)) + return NULL; + +- mqd = kzalloc(sizeof(*mqd), GFP_NOIO); ++ mqd = kzalloc(sizeof(*mqd), GFP_KERNEL); + if (!mqd) + return NULL; + +@@ -492,9 +408,6 @@ struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, + mqd->update_mqd = update_mqd; + mqd->destroy_mqd = destroy_mqd; + mqd->is_occupied = is_occupied; +-#if defined(CONFIG_DEBUG_FS) +- mqd->debugfs_show_mqd = debugfs_show_mqd; +-#endif + break; + case KFD_MQD_TYPE_HIQ: + mqd->init_mqd = init_mqd_hiq; +@@ -503,9 +416,6 @@ struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, + mqd->update_mqd = update_mqd_hiq; + mqd->destroy_mqd = destroy_mqd; + mqd->is_occupied = is_occupied; +-#if defined(CONFIG_DEBUG_FS) +- mqd->debugfs_show_mqd = debugfs_show_mqd; +-#endif + break; + case KFD_MQD_TYPE_SDMA: + mqd->init_mqd = init_mqd_sdma; +@@ -514,9 +424,6 @@ struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, + mqd->update_mqd = update_mqd_sdma; + mqd->destroy_mqd = destroy_mqd_sdma; + mqd->is_occupied = is_occupied_sdma; +-#if defined(CONFIG_DEBUG_FS) +- mqd->debugfs_show_mqd = debugfs_show_mqd_sdma; +-#endif + break; + default: + kfree(mqd); +@@ -526,15 +433,3 @@ struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, + return mqd; + } + +-struct mqd_manager *mqd_manager_init_cik_hawaii(enum KFD_MQD_TYPE type, +- struct kfd_dev *dev) +-{ +- struct mqd_manager *mqd; +- +- mqd = mqd_manager_init_cik(type, dev); +- if (!mqd) +- return NULL; +- if ((type == KFD_MQD_TYPE_CP) || (type == KFD_MQD_TYPE_COMPUTE)) +- mqd->update_mqd = update_mqd_hawaii; +- return mqd; +-} +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c +deleted file mode 100644 +index 25a20e1..0000000 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c ++++ /dev/null +@@ -1,524 +0,0 @@ +-/* +- * Copyright 2016 Advanced Micro Devices, Inc. +- * +- * Permission is hereby granted, free of charge, to any person obtaining a +- * copy of this software and associated documentation files (the "Software"), +- * to deal in the Software without restriction, including without limitation +- * the rights to use, copy, modify, merge, publish, distribute, sublicense, +- * and/or sell copies of the Software, and to permit persons to whom the +- * Software is furnished to do so, subject to the following conditions: +- * +- * The above copyright notice and this permission notice shall be included in +- * all copies or substantial portions of the Software. +- * +- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR +- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +- * OTHER DEALINGS IN THE SOFTWARE. +- * +- */ +- +-#include <linux/printk.h> +-#include <linux/slab.h> +-#include <linux/uaccess.h> +-#include "kfd_priv.h" +-#include "kfd_mqd_manager.h" +-#include "v9_structs.h" +-#include "gc/gc_9_0_offset.h" +-#include "gc/gc_9_0_sh_mask.h" +-#include "sdma0/sdma0_4_0_sh_mask.h" +- +-static inline struct v9_mqd *get_mqd(void *mqd) +-{ +- return (struct v9_mqd *)mqd; +-} +- +-static inline struct v9_sdma_mqd *get_sdma_mqd(void *mqd) +-{ +- return (struct v9_sdma_mqd *)mqd; +-} +- +-static void update_cu_mask(struct mqd_manager *mm, void *mqd, +- struct queue_properties *q) +-{ +- struct v9_mqd *m; +- struct kfd_cu_info cu_info; +- uint32_t se_mask[4] = {0}; /* 4 is the max # of SEs */ +- uint32_t cu_mask_count = q->cu_mask_count; +- const uint32_t *cu_mask = q->cu_mask; +- int se, cu_per_sh, cu_index, i; +- +- if (cu_mask_count == 0) +- return; +- +- m = get_mqd(mqd); +- m->compute_static_thread_mgmt_se0 = 0; +- m->compute_static_thread_mgmt_se1 = 0; +- m->compute_static_thread_mgmt_se2 = 0; +- m->compute_static_thread_mgmt_se3 = 0; +- +- mm->dev->kfd2kgd->get_cu_info(mm->dev->kgd, &cu_info); +- +- /* If # CU mask bits > # CUs, set it to the # of CUs */ +- if (cu_mask_count > cu_info.cu_active_number) +- cu_mask_count = cu_info.cu_active_number; +- +- cu_index = 0; +- for (se = 0; se < cu_info.num_shader_engines; se++) { +- cu_per_sh = 0; +- +- /* Get the number of CUs on this Shader Engine */ +- for (i = 0; i < 4; i++) +- cu_per_sh += hweight32(cu_info.cu_bitmap[se][i]); +- +- se_mask[se] = cu_mask[cu_index / 32] >> (cu_index % 32); +- if ((cu_per_sh + (cu_index % 32)) > 32) +- se_mask[se] |= cu_mask[(cu_index / 32) + 1] +- << (32 - (cu_index % 32)); +- se_mask[se] &= (1 << cu_per_sh) - 1; +- cu_index += cu_per_sh; +- } +- m->compute_static_thread_mgmt_se0 = se_mask[0]; +- m->compute_static_thread_mgmt_se1 = se_mask[1]; +- m->compute_static_thread_mgmt_se2 = se_mask[2]; +- m->compute_static_thread_mgmt_se3 = se_mask[3]; +- +- pr_debug("update cu mask to %#x %#x %#x %#x\n", +- m->compute_static_thread_mgmt_se0, +- m->compute_static_thread_mgmt_se1, +- m->compute_static_thread_mgmt_se2, +- m->compute_static_thread_mgmt_se3); +-} +- +-static int init_mqd(struct mqd_manager *mm, void **mqd, +- struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr, +- struct queue_properties *q) +-{ +- int retval; +- uint64_t addr; +- struct v9_mqd *m; +- struct kfd_dev *kfd = mm->dev; +- +- /* From V9, for CWSR, the control stack is located on the next page +- * boundary after the mqd, we will use the gtt allocation function +- * instead of sub-allocation function. +- */ +- if (kfd->cwsr_enabled && (q->type == KFD_QUEUE_TYPE_COMPUTE)) { +- *mqd_mem_obj = kzalloc(sizeof(struct kfd_mem_obj), GFP_NOIO); +- if (!*mqd_mem_obj) +- return -ENOMEM; +- retval = kfd->kfd2kgd->init_gtt_mem_allocation(kfd->kgd, +- ALIGN(q->ctl_stack_size, PAGE_SIZE) + +- ALIGN(sizeof(struct v9_mqd), PAGE_SIZE), +- &((*mqd_mem_obj)->gtt_mem), +- &((*mqd_mem_obj)->gpu_addr), +- (void *)&((*mqd_mem_obj)->cpu_ptr)); +- } else +- retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct v9_mqd), +- mqd_mem_obj); +- if (retval != 0) +- return -ENOMEM; +- +- m = (struct v9_mqd *) (*mqd_mem_obj)->cpu_ptr; +- addr = (*mqd_mem_obj)->gpu_addr; +- +- memset(m, 0, sizeof(struct v9_mqd)); +- +- m->header = 0xC0310800; +- m->compute_pipelinestat_enable = 1; +- m->compute_static_thread_mgmt_se0 = 0xFFFFFFFF; +- m->compute_static_thread_mgmt_se1 = 0xFFFFFFFF; +- m->compute_static_thread_mgmt_se2 = 0xFFFFFFFF; +- m->compute_static_thread_mgmt_se3 = 0xFFFFFFFF; +- +- m->cp_hqd_persistent_state = CP_HQD_PERSISTENT_STATE__PRELOAD_REQ_MASK | +- 0x53 << CP_HQD_PERSISTENT_STATE__PRELOAD_SIZE__SHIFT; +- +- m->cp_mqd_control = 1 << CP_MQD_CONTROL__PRIV_STATE__SHIFT; +- +- m->cp_mqd_base_addr_lo = lower_32_bits(addr); +- m->cp_mqd_base_addr_hi = upper_32_bits(addr); +- +- m->cp_hqd_quantum = 1 << CP_HQD_QUANTUM__QUANTUM_EN__SHIFT | +- 1 << CP_HQD_QUANTUM__QUANTUM_SCALE__SHIFT | +- 10 << CP_HQD_QUANTUM__QUANTUM_DURATION__SHIFT; +- +- m->cp_hqd_pipe_priority = 1; +- m->cp_hqd_queue_priority = 15; +- +- if (q->format == KFD_QUEUE_FORMAT_AQL) { +- m->cp_hqd_aql_control = +- 1 << CP_HQD_AQL_CONTROL__CONTROL0__SHIFT; +- } +- +- if (q->tba_addr) { +- m->compute_pgm_rsrc2 |= +- (1 << COMPUTE_PGM_RSRC2__TRAP_PRESENT__SHIFT); +- } +- +- if (mm->dev->cwsr_enabled) { +- m->cp_hqd_persistent_state |= +- (1 << CP_HQD_PERSISTENT_STATE__QSWITCH_MODE__SHIFT); +- m->cp_hqd_ctx_save_base_addr_lo = +- lower_32_bits(q->ctx_save_restore_area_address); +- m->cp_hqd_ctx_save_base_addr_hi = +- upper_32_bits(q->ctx_save_restore_area_address); +- m->cp_hqd_ctx_save_size = q->ctx_save_restore_area_size; +- m->cp_hqd_cntl_stack_size = q->ctl_stack_size; +- m->cp_hqd_cntl_stack_offset = q->ctl_stack_size; +- m->cp_hqd_wg_state_offset = q->ctl_stack_size; +- } +- +- if (priv_cp_queues) +- m->cp_hqd_pq_control |= +- 1 << CP_HQD_PQ_CONTROL__PRIV_STATE__SHIFT; +- +- *mqd = m; +- if (gart_addr) +- *gart_addr = addr; +- retval = mm->update_mqd(mm, m, q); +- +- return retval; +-} +- +-static int load_mqd(struct mqd_manager *mm, void *mqd, +- uint32_t pipe_id, uint32_t queue_id, +- struct queue_properties *p, struct mm_struct *mms) +-{ +- /* AQL write pointer counts in 64B packets, PM4/CP counts in dwords. */ +- uint32_t wptr_shift = (p->format == KFD_QUEUE_FORMAT_AQL ? 4 : 0); +- +- return mm->dev->kfd2kgd->hqd_load(mm->dev->kgd, mqd, pipe_id, queue_id, +- (uint32_t __user *)p->write_ptr, +- wptr_shift, 0, mms); +-} +- +-static int update_mqd(struct mqd_manager *mm, void *mqd, +- struct queue_properties *q) +-{ +- struct v9_mqd *m; +- +- m = get_mqd(mqd); +- +- m->cp_hqd_pq_control = 5 << CP_HQD_PQ_CONTROL__RPTR_BLOCK_SIZE__SHIFT; +- m->cp_hqd_pq_control |= order_base_2(q->queue_size / 4) - 1; +- pr_debug("cp_hqd_pq_control 0x%x\n", m->cp_hqd_pq_control); +- +- m->cp_hqd_pq_base_lo = lower_32_bits((uint64_t)q->queue_address >> 8); +- m->cp_hqd_pq_base_hi = upper_32_bits((uint64_t)q->queue_address >> 8); +- +- m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); +- m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); +- m->cp_hqd_pq_wptr_poll_addr_lo = lower_32_bits((uint64_t)q->write_ptr); +- m->cp_hqd_pq_wptr_poll_addr_hi = upper_32_bits((uint64_t)q->write_ptr); +- +- m->cp_hqd_pq_doorbell_control = +- q->doorbell_off << +- CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT; +- pr_debug("cp_hqd_pq_doorbell_control 0x%x\n", +- m->cp_hqd_pq_doorbell_control); +- +- m->cp_hqd_ib_control = 3 << CP_HQD_IB_CONTROL__MIN_IB_AVAIL_SIZE__SHIFT | +- 1 << CP_HQD_IB_CONTROL__IB_EXE_DISABLE__SHIFT; +- +- /* +- * HW does not clamp this field correctly. Maximum EOP queue size +- * is constrained by per-SE EOP done signal count, which is 8-bit. +- * Limit is 0xFF EOP entries (= 0x7F8 dwords). CP will not submit +- * more than (EOP entry count - 1) so a queue size of 0x800 dwords +- * is safe, giving a maximum field value of 0xA. +- */ +- m->cp_hqd_eop_control = min(0xA, +- order_base_2(q->eop_ring_buffer_size / 4) - 1); +- m->cp_hqd_eop_base_addr_lo = +- lower_32_bits(q->eop_ring_buffer_address >> 8); +- m->cp_hqd_eop_base_addr_hi = +- upper_32_bits(q->eop_ring_buffer_address >> 8); +- +- m->cp_hqd_iq_timer = 0; +- +- m->cp_hqd_vmid = q->vmid; +- +- if (q->format == KFD_QUEUE_FORMAT_AQL) { +- m->cp_hqd_pq_control |= CP_HQD_PQ_CONTROL__NO_UPDATE_RPTR_MASK | +- 2 << CP_HQD_PQ_CONTROL__SLOT_BASED_WPTR__SHIFT | +- 1 << CP_HQD_PQ_CONTROL__QUEUE_FULL_EN__SHIFT | +- 1 << CP_HQD_PQ_CONTROL__WPP_CLAMP_EN__SHIFT; +- m->cp_hqd_pq_doorbell_control |= +- 1 << CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_BIF_DROP__SHIFT; +- } +- if (mm->dev->cwsr_enabled) +- m->cp_hqd_ctx_save_control = 0; +- +- update_cu_mask(mm, mqd, q); +- +- q->is_active = (q->queue_size > 0 && +- q->queue_address != 0 && +- q->queue_percent > 0 && +- !q->is_evicted); +- +- return 0; +-} +- +- +-static int destroy_mqd(struct mqd_manager *mm, void *mqd, +- enum kfd_preempt_type type, +- unsigned int timeout, uint32_t pipe_id, +- uint32_t queue_id) +-{ +- return mm->dev->kfd2kgd->hqd_destroy +- (mm->dev->kgd, mqd, type, timeout, +- pipe_id, queue_id); +-} +- +-static void uninit_mqd(struct mqd_manager *mm, void *mqd, +- struct kfd_mem_obj *mqd_mem_obj) +-{ +- struct kfd_dev *kfd = mm->dev; +- +- if (mqd_mem_obj->gtt_mem) { +- kfd->kfd2kgd->free_gtt_mem(kfd->kgd, mqd_mem_obj->gtt_mem); +- kfree(mqd_mem_obj); +- } else { +- kfd_gtt_sa_free(mm->dev, mqd_mem_obj); +- } +-} +- +-static bool is_occupied(struct mqd_manager *mm, void *mqd, +- uint64_t queue_address, uint32_t pipe_id, +- uint32_t queue_id) +-{ +- return mm->dev->kfd2kgd->hqd_is_occupied( +- mm->dev->kgd, queue_address, +- pipe_id, queue_id); +-} +- +-static int get_wave_state(struct mqd_manager *mm, void *mqd, +- void __user *ctl_stack, +- u32 *ctl_stack_used_size, +- u32 *save_area_used_size) +-{ +- struct v9_mqd *m; +- +- /* Control stack is located one page after MQD. */ +- void *mqd_ctl_stack = (void *)((uintptr_t)mqd + PAGE_SIZE); +- +- m = get_mqd(mqd); +- +- *ctl_stack_used_size = m->cp_hqd_cntl_stack_size - +- m->cp_hqd_cntl_stack_offset; +- *save_area_used_size = m->cp_hqd_wg_state_offset - +- m->cp_hqd_cntl_stack_size; +- +- if (copy_to_user(ctl_stack, mqd_ctl_stack, m->cp_hqd_cntl_stack_size)) +- return -EFAULT; +- +- return 0; +-} +- +-static int init_mqd_hiq(struct mqd_manager *mm, void **mqd, +- struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr, +- struct queue_properties *q) +-{ +- struct v9_mqd *m; +- int retval = init_mqd(mm, mqd, mqd_mem_obj, gart_addr, q); +- +- if (retval != 0) +- return retval; +- +- m = get_mqd(*mqd); +- +- m->cp_hqd_pq_control |= 1 << CP_HQD_PQ_CONTROL__PRIV_STATE__SHIFT | +- 1 << CP_HQD_PQ_CONTROL__KMD_QUEUE__SHIFT; +- +- return retval; +-} +- +-static int update_mqd_hiq(struct mqd_manager *mm, void *mqd, +- struct queue_properties *q) +-{ +- struct v9_mqd *m; +- int retval = update_mqd(mm, mqd, q); +- +- if (retval != 0) +- return retval; +- +- /* TODO: what's the point? update_mqd already does this. */ +- m = get_mqd(mqd); +- m->cp_hqd_vmid = q->vmid; +- return retval; +-} +- +-static int init_mqd_sdma(struct mqd_manager *mm, void **mqd, +- struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr, +- struct queue_properties *q) +-{ +- int retval; +- struct v9_sdma_mqd *m; +- +- +- retval = kfd_gtt_sa_allocate(mm->dev, +- sizeof(struct v9_sdma_mqd), +- mqd_mem_obj); +- +- if (retval != 0) +- return -ENOMEM; +- +- m = (struct v9_sdma_mqd *) (*mqd_mem_obj)->cpu_ptr; +- +- memset(m, 0, sizeof(struct v9_sdma_mqd)); +- +- *mqd = m; +- if (gart_addr) +- *gart_addr = (*mqd_mem_obj)->gpu_addr; +- +- retval = mm->update_mqd(mm, m, q); +- +- return retval; +-} +- +-static void uninit_mqd_sdma(struct mqd_manager *mm, void *mqd, +- struct kfd_mem_obj *mqd_mem_obj) +-{ +- kfd_gtt_sa_free(mm->dev, mqd_mem_obj); +-} +- +-static int load_mqd_sdma(struct mqd_manager *mm, void *mqd, +- uint32_t pipe_id, uint32_t queue_id, +- struct queue_properties *p, struct mm_struct *mms) +-{ +- return mm->dev->kfd2kgd->hqd_sdma_load(mm->dev->kgd, mqd, +- (uint32_t __user *)p->write_ptr, +- mms); +-} +- +-#define SDMA_RLC_DUMMY_DEFAULT 0xf +- +-static int update_mqd_sdma(struct mqd_manager *mm, void *mqd, +- struct queue_properties *q) +-{ +- struct v9_sdma_mqd *m; +- +- m = get_sdma_mqd(mqd); +- m->sdmax_rlcx_rb_cntl = order_base_2(q->queue_size / 4) +- << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT | +- q->vmid << SDMA0_RLC0_RB_CNTL__RB_VMID__SHIFT | +- 1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT | +- 6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT; +- +- m->sdmax_rlcx_rb_base = lower_32_bits(q->queue_address >> 8); +- m->sdmax_rlcx_rb_base_hi = upper_32_bits(q->queue_address >> 8); +- m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); +- m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); +- m->sdmax_rlcx_doorbell_offset = +- q->doorbell_off << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT; +- +- m->sdma_engine_id = q->sdma_engine_id; +- m->sdma_queue_id = q->sdma_queue_id; +- m->sdmax_rlcx_dummy_reg = SDMA_RLC_DUMMY_DEFAULT; +- +- q->is_active = (q->queue_size > 0 && +- q->queue_address != 0 && +- q->queue_percent > 0 && +- !q->is_evicted); +- +- return 0; +-} +- +-/* +- * * preempt type here is ignored because there is only one way +- * * to preempt sdma queue +- */ +-static int destroy_mqd_sdma(struct mqd_manager *mm, void *mqd, +- enum kfd_preempt_type type, +- unsigned int timeout, uint32_t pipe_id, +- uint32_t queue_id) +-{ +- return mm->dev->kfd2kgd->hqd_sdma_destroy(mm->dev->kgd, mqd, timeout); +-} +- +-static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd, +- uint64_t queue_address, uint32_t pipe_id, +- uint32_t queue_id) +-{ +- return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->kgd, mqd); +-} +- +-#if defined(CONFIG_DEBUG_FS) +- +-static int debugfs_show_mqd(struct seq_file *m, void *data) +-{ +- seq_hex_dump(m, " ", DUMP_PREFIX_OFFSET, 32, 4, +- data, sizeof(struct v9_mqd), false); +- return 0; +-} +- +-static int debugfs_show_mqd_sdma(struct seq_file *m, void *data) +-{ +- seq_hex_dump(m, " ", DUMP_PREFIX_OFFSET, 32, 4, +- data, sizeof(struct v9_sdma_mqd), false); +- return 0; +-} +- +-#endif +- +-struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, +- struct kfd_dev *dev) +-{ +- struct mqd_manager *mqd; +- +- if (WARN_ON(type >= KFD_MQD_TYPE_MAX)) +- return NULL; +- +- mqd = kzalloc(sizeof(*mqd), GFP_NOIO); +- if (!mqd) +- return NULL; +- +- mqd->dev = dev; +- +- switch (type) { +- case KFD_MQD_TYPE_CP: +- case KFD_MQD_TYPE_COMPUTE: +- mqd->init_mqd = init_mqd; +- mqd->uninit_mqd = uninit_mqd; +- mqd->load_mqd = load_mqd; +- mqd->update_mqd = update_mqd; +- mqd->destroy_mqd = destroy_mqd; +- mqd->is_occupied = is_occupied; +- mqd->get_wave_state = get_wave_state; +-#if defined(CONFIG_DEBUG_FS) +- mqd->debugfs_show_mqd = debugfs_show_mqd; +-#endif +- break; +- case KFD_MQD_TYPE_HIQ: +- mqd->init_mqd = init_mqd_hiq; +- mqd->uninit_mqd = uninit_mqd; +- mqd->load_mqd = load_mqd; +- mqd->update_mqd = update_mqd_hiq; +- mqd->destroy_mqd = destroy_mqd; +- mqd->is_occupied = is_occupied; +-#if defined(CONFIG_DEBUG_FS) +- mqd->debugfs_show_mqd = debugfs_show_mqd; +-#endif +- break; +- case KFD_MQD_TYPE_SDMA: +- mqd->init_mqd = init_mqd_sdma; +- mqd->uninit_mqd = uninit_mqd_sdma; +- mqd->load_mqd = load_mqd_sdma; +- mqd->update_mqd = update_mqd_sdma; +- mqd->destroy_mqd = destroy_mqd_sdma; +- mqd->is_occupied = is_occupied_sdma; +-#if defined(CONFIG_DEBUG_FS) +- mqd->debugfs_show_mqd = debugfs_show_mqd_sdma; +-#endif +- break; +- default: +- kfree(mqd); +- return NULL; +- } +- +- return mqd; +-} +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c +index 9bf1212..73cbfe1 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c +@@ -30,7 +30,6 @@ + #include "vi_structs.h" + #include "gca/gfx_8_0_sh_mask.h" + #include "gca/gfx_8_0_enum.h" +-#include "oss/oss_3_0_sh_mask.h" + + #define CP_MQD_CONTROL__PRIV_STATE__SHIFT 0x8 + +@@ -39,73 +38,6 @@ static inline struct vi_mqd *get_mqd(void *mqd) + return (struct vi_mqd *)mqd; + } + +-static inline struct vi_sdma_mqd *get_sdma_mqd(void *mqd) +-{ +- return (struct vi_sdma_mqd *)mqd; +-} +- +-static void update_cu_mask(struct mqd_manager *mm, void *mqd, +- struct queue_properties *q) +-{ +- struct vi_mqd *m; +- struct kfd_cu_info cu_info; +- uint32_t se_mask[4] = {0}; /* 4 is the max # of SEs */ +- uint32_t cu_mask_count = q->cu_mask_count; +- const uint32_t *cu_mask = q->cu_mask; +- int se, cu_per_sh, cu_index, i; +- +- if (cu_mask_count == 0) +- return; +- +- m = get_mqd(mqd); +- m->compute_static_thread_mgmt_se0 = 0; +- m->compute_static_thread_mgmt_se1 = 0; +- m->compute_static_thread_mgmt_se2 = 0; +- m->compute_static_thread_mgmt_se3 = 0; +- +- mm->dev->kfd2kgd->get_cu_info(mm->dev->kgd, &cu_info); +- +- /* If # CU mask bits > # CUs, set it to the # of CUs */ +- if (cu_mask_count > cu_info.cu_active_number) +- cu_mask_count = cu_info.cu_active_number; +- +- cu_index = 0; +- for (se = 0; se < cu_info.num_shader_engines; se++) { +- cu_per_sh = 0; +- +- /* Get the number of CUs on this Shader Engine */ +- for (i = 0; i < 4; i++) +- cu_per_sh += hweight32(cu_info.cu_bitmap[se][i]); +- +- se_mask[se] = cu_mask[cu_index / 32] >> (cu_index % 32); +- if ((cu_per_sh + (cu_index % 32)) > 32) +- se_mask[se] |= cu_mask[(cu_index / 32) + 1] +- << (32 - (cu_index % 32)); +- se_mask[se] &= (1 << cu_per_sh) - 1; +- cu_index += cu_per_sh; +- } +- m->compute_static_thread_mgmt_se0 = se_mask[0]; +- m->compute_static_thread_mgmt_se1 = se_mask[1]; +- m->compute_static_thread_mgmt_se2 = se_mask[2]; +- m->compute_static_thread_mgmt_se3 = se_mask[3]; +- +- pr_debug("Update cu mask to %#x %#x %#x %#x\n", +- m->compute_static_thread_mgmt_se0, +- m->compute_static_thread_mgmt_se1, +- m->compute_static_thread_mgmt_se2, +- m->compute_static_thread_mgmt_se3); +-} +- +-static void set_priority(struct vi_mqd *m, struct queue_properties *q) +-{ +- m->cp_hqd_pipe_priority = pipe_priority_map[q->priority]; +- m->cp_hqd_queue_priority = q->priority; +- m->compute_pgm_rsrc1 = (m->compute_pgm_rsrc1 & +- (~COMPUTE_PGM_RSRC1__PRIORITY_MASK)) | +- (spi_priority_map[q->priority] << +- COMPUTE_PGM_RSRC1__PRIORITY__SHIFT); +-} +- + static int init_mqd(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *q) +@@ -144,38 +76,14 @@ static int init_mqd(struct mqd_manager *mm, void **mqd, + 1 << CP_HQD_QUANTUM__QUANTUM_SCALE__SHIFT | + 10 << CP_HQD_QUANTUM__QUANTUM_DURATION__SHIFT; + +- set_priority(m, q); ++ m->cp_hqd_pipe_priority = 1; ++ m->cp_hqd_queue_priority = 15; ++ + m->cp_hqd_eop_rptr = 1 << CP_HQD_EOP_RPTR__INIT_FETCHER__SHIFT; + + if (q->format == KFD_QUEUE_FORMAT_AQL) + m->cp_hqd_iq_rptr = 1; + +- if (q->tba_addr) { +- m->compute_tba_lo = lower_32_bits(q->tba_addr >> 8); +- m->compute_tba_hi = upper_32_bits(q->tba_addr >> 8); +- m->compute_tma_lo = lower_32_bits(q->tma_addr >> 8); +- m->compute_tma_hi = upper_32_bits(q->tma_addr >> 8); +- m->compute_pgm_rsrc2 |= +- (1 << COMPUTE_PGM_RSRC2__TRAP_PRESENT__SHIFT); +- } +- +- if (mm->dev->cwsr_enabled) { +- m->cp_hqd_persistent_state |= +- (1 << CP_HQD_PERSISTENT_STATE__QSWITCH_MODE__SHIFT); +- m->cp_hqd_ctx_save_base_addr_lo = +- lower_32_bits(q->ctx_save_restore_area_address); +- m->cp_hqd_ctx_save_base_addr_hi = +- upper_32_bits(q->ctx_save_restore_area_address); +- m->cp_hqd_ctx_save_size = q->ctx_save_restore_area_size; +- m->cp_hqd_cntl_stack_size = q->ctl_stack_size; +- m->cp_hqd_cntl_stack_offset = q->ctl_stack_size; +- m->cp_hqd_wg_state_offset = q->ctl_stack_size; +- } +- +- if (priv_cp_queues) +- m->cp_hqd_pq_control |= +- 1 << CP_HQD_PQ_CONTROL__PRIV_STATE__SHIFT; +- + *mqd = m; + if (gart_addr) + *gart_addr = addr; +@@ -190,7 +98,7 @@ static int load_mqd(struct mqd_manager *mm, void *mqd, + { + /* AQL write pointer counts in 64B packets, PM4/CP counts in dwords. */ + uint32_t wptr_shift = (p->format == KFD_QUEUE_FORMAT_AQL ? 4 : 0); +- uint32_t wptr_mask = (uint32_t)((p->queue_size / 4) - 1); ++ uint32_t wptr_mask = (uint32_t)((p->queue_size / sizeof(uint32_t)) - 1); + + return mm->dev->kfd2kgd->hqd_load(mm->dev->kgd, mqd, pipe_id, queue_id, + (uint32_t __user *)p->write_ptr, +@@ -208,7 +116,8 @@ static int __update_mqd(struct mqd_manager *mm, void *mqd, + m->cp_hqd_pq_control = 5 << CP_HQD_PQ_CONTROL__RPTR_BLOCK_SIZE__SHIFT | + atc_bit << CP_HQD_PQ_CONTROL__PQ_ATC__SHIFT | + mtype << CP_HQD_PQ_CONTROL__MTYPE__SHIFT; +- m->cp_hqd_pq_control |= order_base_2(q->queue_size / 4) - 1; ++ m->cp_hqd_pq_control |= ++ ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1; + pr_debug("cp_hqd_pq_control 0x%x\n", m->cp_hqd_pq_control); + + m->cp_hqd_pq_base_lo = lower_32_bits((uint64_t)q->queue_address >> 8); +@@ -216,8 +125,6 @@ static int __update_mqd(struct mqd_manager *mm, void *mqd, + + m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); + m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); +- m->cp_hqd_pq_wptr_poll_addr_lo = lower_32_bits((uint64_t)q->write_ptr); +- m->cp_hqd_pq_wptr_poll_addr_hi = upper_32_bits((uint64_t)q->write_ptr); + + m->cp_hqd_pq_doorbell_control = + q->doorbell_off << +@@ -240,7 +147,7 @@ static int __update_mqd(struct mqd_manager *mm, void *mqd, + * is safe, giving a maximum field value of 0xA. + */ + m->cp_hqd_eop_control |= min(0xA, +- order_base_2(q->eop_ring_buffer_size / 4) - 1); ++ ffs(q->eop_ring_buffer_size / sizeof(unsigned int)) - 1 - 1); + m->cp_hqd_eop_base_addr_lo = + lower_32_bits(q->eop_ring_buffer_address >> 8); + m->cp_hqd_eop_base_addr_hi = +@@ -255,18 +162,13 @@ static int __update_mqd(struct mqd_manager *mm, void *mqd, + m->cp_hqd_pq_control |= CP_HQD_PQ_CONTROL__NO_UPDATE_RPTR_MASK | + 2 << CP_HQD_PQ_CONTROL__SLOT_BASED_WPTR__SHIFT; + } +- if (mm->dev->cwsr_enabled) +- m->cp_hqd_ctx_save_control = +- atc_bit << CP_HQD_CTX_SAVE_CONTROL__ATC__SHIFT | +- mtype << CP_HQD_CTX_SAVE_CONTROL__MTYPE__SHIFT; +- +- update_cu_mask(mm, mqd, q); +- set_priority(m, q); + +- q->is_active = (q->queue_size > 0 && ++ q->is_active = false; ++ if (q->queue_size > 0 && + q->queue_address != 0 && +- q->queue_percent > 0 && +- !q->is_evicted); ++ q->queue_percent > 0) { ++ q->is_active = true; ++ } + + return 0; + } +@@ -278,12 +180,6 @@ static int update_mqd(struct mqd_manager *mm, void *mqd, + return __update_mqd(mm, mqd, q, MTYPE_CC, 1); + } + +-static int update_mqd_tonga(struct mqd_manager *mm, void *mqd, +- struct queue_properties *q) +-{ +- return __update_mqd(mm, mqd, q, MTYPE_UC, 0); +-} +- + static int destroy_mqd(struct mqd_manager *mm, void *mqd, + enum kfd_preempt_type type, + unsigned int timeout, uint32_t pipe_id, +@@ -309,28 +205,6 @@ static bool is_occupied(struct mqd_manager *mm, void *mqd, + pipe_id, queue_id); + } + +-static int get_wave_state(struct mqd_manager *mm, void *mqd, +- void __user *ctl_stack, +- u32 *ctl_stack_used_size, +- u32 *save_area_used_size) +-{ +- struct vi_mqd *m; +- +- m = get_mqd(mqd); +- +- *ctl_stack_used_size = m->cp_hqd_cntl_stack_size - +- m->cp_hqd_cntl_stack_offset; +- *save_area_used_size = m->cp_hqd_wg_state_offset - +- m->cp_hqd_cntl_stack_size; +- +- /* Control stack is not copied to user mode for GFXv8 because +- * it's part of the context save area that is already +- * accessible to user mode +- */ +- +- return 0; +-} +- + static int init_mqd_hiq(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *q) +@@ -363,118 +237,6 @@ static int update_mqd_hiq(struct mqd_manager *mm, void *mqd, + return retval; + } + +-static int init_mqd_sdma(struct mqd_manager *mm, void **mqd, +- struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr, +- struct queue_properties *q) +-{ +- int retval; +- struct vi_sdma_mqd *m; +- +- +- retval = kfd_gtt_sa_allocate(mm->dev, +- sizeof(struct vi_sdma_mqd), +- mqd_mem_obj); +- +- if (retval != 0) +- return -ENOMEM; +- +- m = (struct vi_sdma_mqd *) (*mqd_mem_obj)->cpu_ptr; +- +- memset(m, 0, sizeof(struct vi_sdma_mqd)); +- +- *mqd = m; +- if (gart_addr) +- *gart_addr = (*mqd_mem_obj)->gpu_addr; +- +- retval = mm->update_mqd(mm, m, q); +- +- return retval; +-} +- +-static void uninit_mqd_sdma(struct mqd_manager *mm, void *mqd, +- struct kfd_mem_obj *mqd_mem_obj) +-{ +- kfd_gtt_sa_free(mm->dev, mqd_mem_obj); +-} +- +-static int load_mqd_sdma(struct mqd_manager *mm, void *mqd, +- uint32_t pipe_id, uint32_t queue_id, +- struct queue_properties *p, struct mm_struct *mms) +-{ +- return mm->dev->kfd2kgd->hqd_sdma_load(mm->dev->kgd, mqd, +- (uint32_t __user *)p->write_ptr, +- mms); +-} +- +-static int update_mqd_sdma(struct mqd_manager *mm, void *mqd, +- struct queue_properties *q) +-{ +- struct vi_sdma_mqd *m; +- +- m = get_sdma_mqd(mqd); +- m->sdmax_rlcx_rb_cntl = order_base_2(q->queue_size / 4) +- << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT | +- q->vmid << SDMA0_RLC0_RB_CNTL__RB_VMID__SHIFT | +- 1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT | +- 6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT; +- +- m->sdmax_rlcx_rb_base = lower_32_bits(q->queue_address >> 8); +- m->sdmax_rlcx_rb_base_hi = upper_32_bits(q->queue_address >> 8); +- m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); +- m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); +- m->sdmax_rlcx_doorbell = +- q->doorbell_off << SDMA0_RLC0_DOORBELL__OFFSET__SHIFT; +- +- m->sdmax_rlcx_virtual_addr = q->sdma_vm_addr; +- +- m->sdma_engine_id = q->sdma_engine_id; +- m->sdma_queue_id = q->sdma_queue_id; +- +- q->is_active = (q->queue_size > 0 && +- q->queue_address != 0 && +- q->queue_percent > 0 && +- !q->is_evicted); +- +- return 0; +-} +- +-/* +- * * preempt type here is ignored because there is only one way +- * * to preempt sdma queue +- */ +-static int destroy_mqd_sdma(struct mqd_manager *mm, void *mqd, +- enum kfd_preempt_type type, +- unsigned int timeout, uint32_t pipe_id, +- uint32_t queue_id) +-{ +- return mm->dev->kfd2kgd->hqd_sdma_destroy(mm->dev->kgd, mqd, timeout); +-} +- +-static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd, +- uint64_t queue_address, uint32_t pipe_id, +- uint32_t queue_id) +-{ +- return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->kgd, mqd); +-} +- +-#if defined(CONFIG_DEBUG_FS) +- +-static int debugfs_show_mqd(struct seq_file *m, void *data) +-{ +- seq_hex_dump(m, " ", DUMP_PREFIX_OFFSET, 32, 4, +- data, sizeof(struct vi_mqd), false); +- return 0; +-} +- +-static int debugfs_show_mqd_sdma(struct seq_file *m, void *data) +-{ +- seq_hex_dump(m, " ", DUMP_PREFIX_OFFSET, 32, 4, +- data, sizeof(struct vi_sdma_mqd), false); +- return 0; +-} +- +-#endif +- + struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, + struct kfd_dev *dev) + { +@@ -483,7 +245,7 @@ struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, + if (WARN_ON(type >= KFD_MQD_TYPE_MAX)) + return NULL; + +- mqd = kzalloc(sizeof(*mqd), GFP_NOIO); ++ mqd = kzalloc(sizeof(*mqd), GFP_KERNEL); + if (!mqd) + return NULL; + +@@ -498,10 +260,6 @@ struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, + mqd->update_mqd = update_mqd; + mqd->destroy_mqd = destroy_mqd; + mqd->is_occupied = is_occupied; +- mqd->get_wave_state = get_wave_state; +-#if defined(CONFIG_DEBUG_FS) +- mqd->debugfs_show_mqd = debugfs_show_mqd; +-#endif + break; + case KFD_MQD_TYPE_HIQ: + mqd->init_mqd = init_mqd_hiq; +@@ -510,20 +268,8 @@ struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, + mqd->update_mqd = update_mqd_hiq; + mqd->destroy_mqd = destroy_mqd; + mqd->is_occupied = is_occupied; +-#if defined(CONFIG_DEBUG_FS) +- mqd->debugfs_show_mqd = debugfs_show_mqd; +-#endif + break; + case KFD_MQD_TYPE_SDMA: +- mqd->init_mqd = init_mqd_sdma; +- mqd->uninit_mqd = uninit_mqd_sdma; +- mqd->load_mqd = load_mqd_sdma; +- mqd->update_mqd = update_mqd_sdma; +- mqd->destroy_mqd = destroy_mqd_sdma; +- mqd->is_occupied = is_occupied_sdma; +-#if defined(CONFIG_DEBUG_FS) +- mqd->debugfs_show_mqd = debugfs_show_mqd_sdma; +-#endif + break; + default: + kfree(mqd); +@@ -532,17 +278,3 @@ struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, + + return mqd; + } +- +-struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, +- struct kfd_dev *dev) +-{ +- struct mqd_manager *mqd; +- +- mqd = mqd_manager_init_vi(type, dev); +- if (!mqd) +- return NULL; +- if ((type == KFD_MQD_TYPE_CP) || (type == KFD_MQD_TYPE_COMPUTE)) +- mqd->update_mqd = update_mqd_tonga; +- return mqd; +-} +- +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c +index 98c89d2..1d31260 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c +@@ -26,6 +26,7 @@ + #include "kfd_device_queue_manager.h" + #include "kfd_kernel_queue.h" + #include "kfd_priv.h" ++#include "kfd_pm4_headers_vi.h" + #include "kfd_pm4_opcodes.h" + + static inline void inc_wptr(unsigned int *wptr, unsigned int increment_bytes, +@@ -38,40 +39,38 @@ static inline void inc_wptr(unsigned int *wptr, unsigned int increment_bytes, + *wptr = temp; + } + ++static unsigned int build_pm4_header(unsigned int opcode, size_t packet_size) ++{ ++ union PM4_MES_TYPE_3_HEADER header; ++ ++ header.u32All = 0; ++ header.opcode = opcode; ++ header.count = packet_size/sizeof(uint32_t) - 2; ++ header.type = PM4_TYPE_3; ++ ++ return header.u32All; ++} ++ + static void pm_calc_rlib_size(struct packet_manager *pm, + unsigned int *rlib_size, + bool *over_subscription) + { +- unsigned int process_count, queue_count, compute_queue_count; ++ unsigned int process_count, queue_count; + unsigned int map_queue_size; +- unsigned int max_proc_per_quantum = 1; +- +- struct kfd_dev *dev = pm->dqm->dev; + + process_count = pm->dqm->processes_count; + queue_count = pm->dqm->queue_count; +- compute_queue_count = queue_count - pm->dqm->sdma_queue_count; +- +- /* check if there is over subscription +- * Note: the arbitration between the number of VMIDs and +- * hws_max_conc_proc has been done in +- * kgd2kfd_device_init(). +- */ + ++ /* check if there is over subscription*/ + *over_subscription = false; +- +- if (dev->max_proc_per_quantum > 1) +- max_proc_per_quantum = dev->max_proc_per_quantum; +- +- if ((process_count > max_proc_per_quantum) || +- compute_queue_count > get_queues_num(pm->dqm)) { ++ if ((process_count > 1) || queue_count > get_queues_num(pm->dqm)) { + *over_subscription = true; + pr_debug("Over subscribed runlist\n"); + } + +- map_queue_size = pm->pmf->get_map_queues_packet_size(); ++ map_queue_size = sizeof(struct pm4_mes_map_queues); + /* calculate run list ib allocation size */ +- *rlib_size = process_count * pm->pmf->get_map_process_packet_size() + ++ *rlib_size = process_count * sizeof(struct pm4_mes_map_process) + + queue_count * map_queue_size; + + /* +@@ -79,7 +78,7 @@ static void pm_calc_rlib_size(struct packet_manager *pm, + * when over subscription + */ + if (*over_subscription) +- *rlib_size += pm->pmf->get_runlist_packet_size(); ++ *rlib_size += sizeof(struct pm4_mes_runlist); + + pr_debug("runlist ib size %d\n", *rlib_size); + } +@@ -97,14 +96,12 @@ static int pm_allocate_runlist_ib(struct packet_manager *pm, + + pm_calc_rlib_size(pm, rl_buffer_size, is_over_subscription); + +- mutex_lock(&pm->lock); +- + retval = kfd_gtt_sa_allocate(pm->dqm->dev, *rl_buffer_size, + &pm->ib_buffer_obj); + + if (retval) { + pr_err("Failed to allocate runlist IB\n"); +- goto out; ++ return retval; + } + + *(void **)rl_buffer = pm->ib_buffer_obj->cpu_ptr; +@@ -112,12 +109,131 @@ static int pm_allocate_runlist_ib(struct packet_manager *pm, + + memset(*rl_buffer, 0, *rl_buffer_size); + pm->allocated = true; +- +-out: +- mutex_unlock(&pm->lock); + return retval; + } + ++static int pm_create_runlist(struct packet_manager *pm, uint32_t *buffer, ++ uint64_t ib, size_t ib_size_in_dwords, bool chain) ++{ ++ struct pm4_mes_runlist *packet; ++ ++ if (WARN_ON(!ib)) ++ return -EFAULT; ++ ++ packet = (struct pm4_mes_runlist *)buffer; ++ ++ memset(buffer, 0, sizeof(struct pm4_mes_runlist)); ++ packet->header.u32All = build_pm4_header(IT_RUN_LIST, ++ sizeof(struct pm4_mes_runlist)); ++ ++ packet->bitfields4.ib_size = ib_size_in_dwords; ++ packet->bitfields4.chain = chain ? 1 : 0; ++ packet->bitfields4.offload_polling = 0; ++ packet->bitfields4.valid = 1; ++ packet->ordinal2 = lower_32_bits(ib); ++ packet->bitfields3.ib_base_hi = upper_32_bits(ib); ++ ++ return 0; ++} ++ ++static int pm_create_map_process(struct packet_manager *pm, uint32_t *buffer, ++ struct qcm_process_device *qpd) ++{ ++ struct pm4_mes_map_process *packet; ++ struct queue *cur; ++ uint32_t num_queues; ++ ++ packet = (struct pm4_mes_map_process *)buffer; ++ ++ memset(buffer, 0, sizeof(struct pm4_mes_map_process)); ++ ++ packet->header.u32All = build_pm4_header(IT_MAP_PROCESS, ++ sizeof(struct pm4_mes_map_process)); ++ packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0; ++ packet->bitfields2.process_quantum = 1; ++ packet->bitfields2.pasid = qpd->pqm->process->pasid; ++ packet->bitfields3.page_table_base = qpd->page_table_base; ++ packet->bitfields10.gds_size = qpd->gds_size; ++ packet->bitfields10.num_gws = qpd->num_gws; ++ packet->bitfields10.num_oac = qpd->num_oac; ++ num_queues = 0; ++ list_for_each_entry(cur, &qpd->queues_list, list) ++ num_queues++; ++ packet->bitfields10.num_queues = (qpd->is_debug) ? 0 : num_queues; ++ ++ packet->sh_mem_config = qpd->sh_mem_config; ++ packet->sh_mem_bases = qpd->sh_mem_bases; ++ packet->sh_mem_ape1_base = qpd->sh_mem_ape1_base; ++ packet->sh_mem_ape1_limit = qpd->sh_mem_ape1_limit; ++ ++ /* TODO: scratch support */ ++ packet->sh_hidden_private_base_vmid = 0; ++ ++ packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area); ++ packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area); ++ ++ return 0; ++} ++ ++static int pm_create_map_queue(struct packet_manager *pm, uint32_t *buffer, ++ struct queue *q, bool is_static) ++{ ++ struct pm4_mes_map_queues *packet; ++ bool use_static = is_static; ++ ++ packet = (struct pm4_mes_map_queues *)buffer; ++ memset(buffer, 0, sizeof(struct pm4_mes_map_queues)); ++ ++ packet->header.u32All = build_pm4_header(IT_MAP_QUEUES, ++ sizeof(struct pm4_mes_map_queues)); ++ packet->bitfields2.alloc_format = ++ alloc_format__mes_map_queues__one_per_pipe_vi; ++ packet->bitfields2.num_queues = 1; ++ packet->bitfields2.queue_sel = ++ queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi; ++ ++ packet->bitfields2.engine_sel = ++ engine_sel__mes_map_queues__compute_vi; ++ packet->bitfields2.queue_type = ++ queue_type__mes_map_queues__normal_compute_vi; ++ ++ switch (q->properties.type) { ++ case KFD_QUEUE_TYPE_COMPUTE: ++ if (use_static) ++ packet->bitfields2.queue_type = ++ queue_type__mes_map_queues__normal_latency_static_queue_vi; ++ break; ++ case KFD_QUEUE_TYPE_DIQ: ++ packet->bitfields2.queue_type = ++ queue_type__mes_map_queues__debug_interface_queue_vi; ++ break; ++ case KFD_QUEUE_TYPE_SDMA: ++ packet->bitfields2.engine_sel = ++ engine_sel__mes_map_queues__sdma0_vi; ++ use_static = false; /* no static queues under SDMA */ ++ break; ++ default: ++ WARN(1, "queue type %d", q->properties.type); ++ return -EINVAL; ++ } ++ packet->bitfields3.doorbell_offset = ++ q->properties.doorbell_off; ++ ++ packet->mqd_addr_lo = ++ lower_32_bits(q->gart_mqd_addr); ++ ++ packet->mqd_addr_hi = ++ upper_32_bits(q->gart_mqd_addr); ++ ++ packet->wptr_addr_lo = ++ lower_32_bits((uint64_t)q->properties.write_ptr); ++ ++ packet->wptr_addr_hi = ++ upper_32_bits((uint64_t)q->properties.write_ptr); ++ ++ return 0; ++} ++ + static int pm_create_runlist_ib(struct packet_manager *pm, + struct list_head *queues, + uint64_t *rl_gpu_addr, +@@ -140,7 +256,6 @@ static int pm_create_runlist_ib(struct packet_manager *pm, + return retval; + + *rl_size_bytes = alloc_size_bytes; +- pm->ib_size_bytes = alloc_size_bytes; + + pr_debug("Building runlist ib process count: %d queues count %d\n", + pm->dqm->processes_count, pm->dqm->queue_count); +@@ -155,12 +270,12 @@ static int pm_create_runlist_ib(struct packet_manager *pm, + return -ENOMEM; + } + +- retval = pm->pmf->map_process(pm, &rl_buffer[rl_wptr], qpd); ++ retval = pm_create_map_process(pm, &rl_buffer[rl_wptr], qpd); + if (retval) + return retval; + + proccesses_mapped++; +- inc_wptr(&rl_wptr, pm->pmf->get_map_process_packet_size(), ++ inc_wptr(&rl_wptr, sizeof(struct pm4_mes_map_process), + alloc_size_bytes); + + list_for_each_entry(kq, &qpd->priv_queue_list, list) { +@@ -170,7 +285,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm, + pr_debug("static_queue, mapping kernel q %d, is debug status %d\n", + kq->queue->queue, qpd->is_debug); + +- retval = pm->pmf->map_queues(pm, ++ retval = pm_create_map_queue(pm, + &rl_buffer[rl_wptr], + kq->queue, + qpd->is_debug); +@@ -178,7 +293,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm, + return retval; + + inc_wptr(&rl_wptr, +- pm->pmf->get_map_queues_packet_size(), ++ sizeof(struct pm4_mes_map_queues), + alloc_size_bytes); + } + +@@ -189,15 +304,16 @@ static int pm_create_runlist_ib(struct packet_manager *pm, + pr_debug("static_queue, mapping user queue %d, is debug status %d\n", + q->queue, qpd->is_debug); + +- retval = pm->pmf->map_queues(pm, ++ retval = pm_create_map_queue(pm, + &rl_buffer[rl_wptr], + q, + qpd->is_debug); ++ + if (retval) + return retval; + + inc_wptr(&rl_wptr, +- pm->pmf->get_map_queues_packet_size(), ++ sizeof(struct pm4_mes_map_queues), + alloc_size_bytes); + } + } +@@ -205,7 +321,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm, + pr_debug("Finished map process and queues to runlist\n"); + + if (is_over_subscription) +- retval = pm->pmf->runlist(pm, &rl_buffer[rl_wptr], ++ retval = pm_create_runlist(pm, &rl_buffer[rl_wptr], + *rl_gpu_addr, + alloc_size_bytes / sizeof(uint32_t), + true); +@@ -217,8 +333,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm, + return retval; + } + +-int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm, +- uint16_t fw_ver) ++int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm) + { + pm->dqm = dqm; + mutex_init(&pm->lock); +@@ -229,26 +344,6 @@ int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm, + } + pm->allocated = false; + +- switch (pm->dqm->dev->device_info->asic_family) { +- case CHIP_KAVERI: +- case CHIP_HAWAII: +- kfd_pm_func_init_cik(pm, fw_ver); +- break; +- case CHIP_CARRIZO: +- case CHIP_TONGA: +- case CHIP_FIJI: +- case CHIP_POLARIS10: +- case CHIP_POLARIS11: +- kfd_pm_func_init_vi(pm, fw_ver); +- break; +- case CHIP_VEGA10: +- case CHIP_RAVEN: +- kfd_pm_func_init_v9(pm, fw_ver); +- break; +- default: +- BUG(); +- } +- + return 0; + } + +@@ -261,25 +356,38 @@ void pm_uninit(struct packet_manager *pm) + int pm_send_set_resources(struct packet_manager *pm, + struct scheduling_resources *res) + { +- uint32_t *buffer, size; ++ struct pm4_mes_set_resources *packet; + int retval = 0; + +- size = pm->pmf->get_set_resources_packet_size(); + mutex_lock(&pm->lock); + pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue, +- size / sizeof(uint32_t), +- (unsigned int **)&buffer); +- if (!buffer) { ++ sizeof(*packet) / sizeof(uint32_t), ++ (unsigned int **)&packet); ++ if (!packet) { + pr_err("Failed to allocate buffer on kernel queue\n"); + retval = -ENOMEM; + goto out; + } + +- retval = pm->pmf->set_resources(pm, buffer, res); +- if (!retval) +- pm->priv_queue->ops.submit_packet(pm->priv_queue); +- else +- pm->priv_queue->ops.rollback_packet(pm->priv_queue); ++ memset(packet, 0, sizeof(struct pm4_mes_set_resources)); ++ packet->header.u32All = build_pm4_header(IT_SET_RESOURCES, ++ sizeof(struct pm4_mes_set_resources)); ++ ++ packet->bitfields2.queue_type = ++ queue_type__mes_set_resources__hsa_interface_queue_hiq; ++ packet->bitfields2.vmid_mask = res->vmid_mask; ++ packet->bitfields2.unmap_latency = KFD_UNMAP_LATENCY; ++ packet->bitfields7.oac_mask = res->oac_mask; ++ packet->bitfields8.gds_heap_base = res->gds_heap_base; ++ packet->bitfields8.gds_heap_size = res->gds_heap_size; ++ ++ packet->gws_mask_lo = lower_32_bits(res->gws_mask); ++ packet->gws_mask_hi = upper_32_bits(res->gws_mask); ++ ++ packet->queue_mask_lo = lower_32_bits(res->queue_mask); ++ packet->queue_mask_hi = upper_32_bits(res->queue_mask); ++ ++ pm->priv_queue->ops.submit_packet(pm->priv_queue); + + out: + mutex_unlock(&pm->lock); +@@ -301,8 +409,7 @@ int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues) + + pr_debug("runlist IB address: 0x%llX\n", rl_gpu_ib_addr); + +- packet_size_dwords = pm->pmf->get_runlist_packet_size() / +- sizeof(uint32_t); ++ packet_size_dwords = sizeof(struct pm4_mes_runlist) / sizeof(uint32_t); + mutex_lock(&pm->lock); + + retval = pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue, +@@ -310,8 +417,8 @@ int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues) + if (retval) + goto fail_acquire_packet_buffer; + +- retval = pm->pmf->runlist(pm, rl_buffer, rl_gpu_ib_addr, +- rl_ib_size / sizeof(uint32_t), false); ++ retval = pm_create_runlist(pm, rl_buffer, rl_gpu_ib_addr, ++ rl_ib_size / sizeof(uint32_t), false); + if (retval) + goto fail_create_runlist; + +@@ -333,59 +440,122 @@ int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues) + int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, + uint32_t fence_value) + { +- uint32_t *buffer, size; +- int retval = 0; ++ int retval; ++ struct pm4_mes_query_status *packet; + + if (WARN_ON(!fence_address)) + return -EFAULT; + +- size = pm->pmf->get_query_status_packet_size(); + mutex_lock(&pm->lock); +- pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue, +- size / sizeof(uint32_t), (unsigned int **)&buffer); +- if (!buffer) { +- pr_err("Failed to allocate buffer on kernel queue\n"); +- retval = -ENOMEM; +- goto out; +- } ++ retval = pm->priv_queue->ops.acquire_packet_buffer( ++ pm->priv_queue, ++ sizeof(struct pm4_mes_query_status) / sizeof(uint32_t), ++ (unsigned int **)&packet); ++ if (retval) ++ goto fail_acquire_packet_buffer; + +- retval = pm->pmf->query_status(pm, buffer, fence_address, fence_value); +- if (!retval) +- pm->priv_queue->ops.submit_packet(pm->priv_queue); +- else +- pm->priv_queue->ops.rollback_packet(pm->priv_queue); ++ packet->header.u32All = build_pm4_header(IT_QUERY_STATUS, ++ sizeof(struct pm4_mes_query_status)); + +-out: ++ packet->bitfields2.context_id = 0; ++ packet->bitfields2.interrupt_sel = ++ interrupt_sel__mes_query_status__completion_status; ++ packet->bitfields2.command = ++ command__mes_query_status__fence_only_after_write_ack; ++ ++ packet->addr_hi = upper_32_bits((uint64_t)fence_address); ++ packet->addr_lo = lower_32_bits((uint64_t)fence_address); ++ packet->data_hi = upper_32_bits((uint64_t)fence_value); ++ packet->data_lo = lower_32_bits((uint64_t)fence_value); ++ ++ pm->priv_queue->ops.submit_packet(pm->priv_queue); ++ ++fail_acquire_packet_buffer: + mutex_unlock(&pm->lock); + return retval; + } + + int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, +- enum kfd_unmap_queues_filter filter, ++ enum kfd_preempt_type_filter mode, + uint32_t filter_param, bool reset, + unsigned int sdma_engine) + { +- uint32_t *buffer, size; +- int retval = 0; ++ int retval; ++ uint32_t *buffer; ++ struct pm4_mes_unmap_queues *packet; + +- size = pm->pmf->get_unmap_queues_packet_size(); + mutex_lock(&pm->lock); +- pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue, +- size / sizeof(uint32_t), (unsigned int **)&buffer); +- if (!buffer) { +- pr_err("Failed to allocate buffer on kernel queue\n"); +- retval = -ENOMEM; +- goto out; ++ retval = pm->priv_queue->ops.acquire_packet_buffer( ++ pm->priv_queue, ++ sizeof(struct pm4_mes_unmap_queues) / sizeof(uint32_t), ++ &buffer); ++ if (retval) ++ goto err_acquire_packet_buffer; ++ ++ packet = (struct pm4_mes_unmap_queues *)buffer; ++ memset(buffer, 0, sizeof(struct pm4_mes_unmap_queues)); ++ pr_debug("static_queue: unmapping queues: mode is %d , reset is %d , type is %d\n", ++ mode, reset, type); ++ packet->header.u32All = build_pm4_header(IT_UNMAP_QUEUES, ++ sizeof(struct pm4_mes_unmap_queues)); ++ switch (type) { ++ case KFD_QUEUE_TYPE_COMPUTE: ++ case KFD_QUEUE_TYPE_DIQ: ++ packet->bitfields2.engine_sel = ++ engine_sel__mes_unmap_queues__compute; ++ break; ++ case KFD_QUEUE_TYPE_SDMA: ++ packet->bitfields2.engine_sel = ++ engine_sel__mes_unmap_queues__sdma0 + sdma_engine; ++ break; ++ default: ++ WARN(1, "queue type %d", type); ++ retval = -EINVAL; ++ goto err_invalid; + } + +- retval = pm->pmf->unmap_queues(pm, buffer, type, filter, filter_param, +- reset, sdma_engine); +- if (!retval) +- pm->priv_queue->ops.submit_packet(pm->priv_queue); ++ if (reset) ++ packet->bitfields2.action = ++ action__mes_unmap_queues__reset_queues; + else +- pm->priv_queue->ops.rollback_packet(pm->priv_queue); ++ packet->bitfields2.action = ++ action__mes_unmap_queues__preempt_queues; ++ ++ switch (mode) { ++ case KFD_PREEMPT_TYPE_FILTER_SINGLE_QUEUE: ++ packet->bitfields2.queue_sel = ++ queue_sel__mes_unmap_queues__perform_request_on_specified_queues; ++ packet->bitfields2.num_queues = 1; ++ packet->bitfields3b.doorbell_offset0 = filter_param; ++ break; ++ case KFD_PREEMPT_TYPE_FILTER_BY_PASID: ++ packet->bitfields2.queue_sel = ++ queue_sel__mes_unmap_queues__perform_request_on_pasid_queues; ++ packet->bitfields3a.pasid = filter_param; ++ break; ++ case KFD_PREEMPT_TYPE_FILTER_ALL_QUEUES: ++ packet->bitfields2.queue_sel = ++ queue_sel__mes_unmap_queues__unmap_all_queues; ++ break; ++ case KFD_PREEMPT_TYPE_FILTER_DYNAMIC_QUEUES: ++ /* in this case, we do not preempt static queues */ ++ packet->bitfields2.queue_sel = ++ queue_sel__mes_unmap_queues__unmap_all_non_static_queues; ++ break; ++ default: ++ WARN(1, "filter %d", mode); ++ retval = -EINVAL; ++ goto err_invalid; ++ } ++ ++ pm->priv_queue->ops.submit_packet(pm->priv_queue); + +-out: ++ mutex_unlock(&pm->lock); ++ return 0; ++ ++err_invalid: ++ pm->priv_queue->ops.rollback_packet(pm->priv_queue); ++err_acquire_packet_buffer: + mutex_unlock(&pm->lock); + return retval; + } +@@ -399,18 +569,3 @@ void pm_release_ib(struct packet_manager *pm) + } + mutex_unlock(&pm->lock); + } +- +-int pm_debugfs_runlist(struct seq_file *m, void *data) +-{ +- struct packet_manager *pm = data; +- +- if (!pm->allocated) { +- seq_puts(m, " No active runlist\n"); +- return 0; +- } +- +- seq_hex_dump(m, " ", DUMP_PREFIX_OFFSET, 32, 4, +- pm->ib_buffer_obj->cpu_ptr, pm->ib_size_bytes, false); +- +- return 0; +-} +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c b/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c +index 15fff44..1e06de0 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c +@@ -20,64 +20,78 @@ + * OTHER DEALINGS IN THE SOFTWARE. + */ + ++#include <linux/slab.h> + #include <linux/types.h> + #include "kfd_priv.h" + +-static unsigned int pasid_bits = 16; +-static const struct kfd2kgd_calls *kfd2kgd; ++static unsigned long *pasid_bitmap; ++static unsigned int pasid_limit; ++static DEFINE_MUTEX(pasid_mutex); ++ ++int kfd_pasid_init(void) ++{ ++ pasid_limit = KFD_MAX_NUM_OF_PROCESSES; ++ ++ pasid_bitmap = kcalloc(BITS_TO_LONGS(pasid_limit), sizeof(long), ++ GFP_KERNEL); ++ if (!pasid_bitmap) ++ return -ENOMEM; ++ ++ set_bit(0, pasid_bitmap); /* PASID 0 is reserved. */ ++ ++ return 0; ++} ++ ++void kfd_pasid_exit(void) ++{ ++ kfree(pasid_bitmap); ++} + + bool kfd_set_pasid_limit(unsigned int new_limit) + { +- if (new_limit < 2) +- return false; +- +- if (new_limit < (1U << pasid_bits)) { +- if (kfd2kgd) +- /* We've already allocated user PASIDs, too late to +- * change the limit +- */ +- return false; +- +- while (new_limit < (1U << pasid_bits)) +- pasid_bits--; ++ if (new_limit < pasid_limit) { ++ bool ok; ++ ++ mutex_lock(&pasid_mutex); ++ ++ /* ensure that no pasids >= new_limit are in-use */ ++ ok = (find_next_bit(pasid_bitmap, pasid_limit, new_limit) == ++ pasid_limit); ++ if (ok) ++ pasid_limit = new_limit; ++ ++ mutex_unlock(&pasid_mutex); ++ ++ return ok; + } + + return true; + } + +-unsigned int kfd_get_pasid_limit(void) ++inline unsigned int kfd_get_pasid_limit(void) + { +- return 1U << pasid_bits; ++ return pasid_limit; + } + + unsigned int kfd_pasid_alloc(void) + { +- int r; +- +- /* Find the first best KFD device for calling KGD */ +- if (!kfd2kgd) { +- struct kfd_dev *dev = NULL; +- unsigned int i = 0; +- +- while ((kfd_topology_enum_kfd_devices(i, &dev)) == 0) { +- if (dev && dev->kfd2kgd) { +- kfd2kgd = dev->kfd2kgd; +- break; +- } +- i++; +- } +- +- if (!kfd2kgd) +- return false; +- } ++ unsigned int found; ++ ++ mutex_lock(&pasid_mutex); ++ ++ found = find_first_zero_bit(pasid_bitmap, pasid_limit); ++ if (found == pasid_limit) ++ found = 0; ++ else ++ set_bit(found, pasid_bitmap); + +- r = kfd2kgd->alloc_pasid(pasid_bits); ++ mutex_unlock(&pasid_mutex); + +- return r > 0 ? r : 0; ++ return found; + } + + void kfd_pasid_free(unsigned int pasid) + { +- if (kfd2kgd) +- kfd2kgd->free_pasid(pasid); ++ if (!WARN_ON(pasid == 0 || pasid >= pasid_limit)) ++ clear_bit(pasid, pasid_bitmap); + } +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_peerdirect.c b/drivers/gpu/drm/amd/amdkfd/kfd_peerdirect.c +deleted file mode 100644 +index 543ed83..0000000 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_peerdirect.c ++++ /dev/null +@@ -1,513 +0,0 @@ +-/* +- * Copyright 2016 Advanced Micro Devices, Inc. +- * +- * Permission is hereby granted, free of charge, to any person obtaining a +- * copy of this software and associated documentation files (the "Software"), +- * to deal in the Software without restriction, including without limitation +- * the rights to use, copy, modify, merge, publish, distribute, sublicense, +- * and/or sell copies of the Software, and to permit persons to whom the +- * Software is furnished to do so, subject to the following conditions: +- * +- * The above copyright notice and this permission notice shall be included in +- * all copies or substantial portions of the Software. +- * +- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR +- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +- * OTHER DEALINGS IN THE SOFTWARE. +- */ +- +- +-/* NOTE: +- * +- * This file contains logic to dynamically detect and enable PeerDirect +- * suppor. PeerDirect support is delivered e.g. as part of OFED +- * from Mellanox. Because we are not able to rely on the fact that the +- * corresponding OFED will be installed we should: +- * - copy PeerDirect definitions locally to avoid dependency on +- * corresponding header file +- * - try dynamically detect address of PeerDirect function +- * pointers. +- * +- * If dynamic detection failed then PeerDirect support should be +- * enabled using the standard PeerDirect bridge driver from: +- * https://github.com/RadeonOpenCompute/ROCnRDMA +- * +- * +- * Logic to support PeerDirect relies only on official public API to be +- * non-intrusive as much as possible. +- * +- **/ +- +-#include <linux/device.h> +-#include <linux/export.h> +-#include <linux/pid.h> +-#include <linux/err.h> +-#include <linux/slab.h> +-#include <linux/scatterlist.h> +-#include <linux/module.h> +- +-#include "kfd_priv.h" +- +- +- +-/* ----------------------- PeerDirect interface ------------------------------*/ +- +-/* +- * Copyright (c) 2013, Mellanox Technologies. All rights reserved. +- * +- * This software is available to you under a choice of one of two +- * licenses. You may choose to be licensed under the terms of the GNU +- * General Public License (GPL) Version 2, available from the file +- * COPYING in the main directory of this source tree, or the +- * OpenIB.org BSD license below: +- * +- * Redistribution and use in source and binary forms, with or +- * without modification, are permitted provided that the following +- * conditions are met: +- * +- * - Redistributions of source code must retain the above +- * copyright notice, this list of conditions and the following +- * disclaimer. +- * +- * - Redistributions in binary form must reproduce the above +- * copyright notice, this list of conditions and the following +- * disclaimer in the documentation and/or other materials +- * provided with the distribution. +- * +- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS +- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +- * SOFTWARE. +- */ +-#define IB_PEER_MEMORY_NAME_MAX 64 +-#define IB_PEER_MEMORY_VER_MAX 16 +- +-struct peer_memory_client { +- char name[IB_PEER_MEMORY_NAME_MAX]; +- char version[IB_PEER_MEMORY_VER_MAX]; +- /* acquire return code: 1-mine, 0-not mine */ +- int (*acquire)(unsigned long addr, size_t size, +- void *peer_mem_private_data, +- char *peer_mem_name, +- void **client_context); +- int (*get_pages)(unsigned long addr, +- size_t size, int write, int force, +- struct sg_table *sg_head, +- void *client_context, void *core_context); +- int (*dma_map)(struct sg_table *sg_head, void *client_context, +- struct device *dma_device, int dmasync, int *nmap); +- int (*dma_unmap)(struct sg_table *sg_head, void *client_context, +- struct device *dma_device); +- void (*put_pages)(struct sg_table *sg_head, void *client_context); +- unsigned long (*get_page_size)(void *client_context); +- void (*release)(void *client_context); +- void* (*get_context_private_data)(u64 peer_id); +- void (*put_context_private_data)(void *context); +-}; +- +-typedef int (*invalidate_peer_memory)(void *reg_handle, +- void *core_context); +- +-void *ib_register_peer_memory_client(struct peer_memory_client *peer_client, +- invalidate_peer_memory *invalidate_callback); +-void ib_unregister_peer_memory_client(void *reg_handle); +- +- +-/*------------------- PeerDirect bridge driver ------------------------------*/ +- +-#define AMD_PEER_BRIDGE_DRIVER_VERSION "1.0" +-#define AMD_PEER_BRIDGE_DRIVER_NAME "amdkfd" +- +- +-static void* (*pfn_ib_register_peer_memory_client)(struct peer_memory_client +- *peer_client, +- invalidate_peer_memory +- *invalidate_callback); +- +-static void (*pfn_ib_unregister_peer_memory_client)(void *reg_handle); +- +-static const struct amd_rdma_interface *rdma_interface; +- +-static invalidate_peer_memory ib_invalidate_callback; +-static void *ib_reg_handle; +- +-struct amd_mem_context { +- uint64_t va; +- uint64_t size; +- struct pid *pid; +- +- struct amd_p2p_info *p2p_info; +- +- /* Flag that free callback was called */ +- int free_callback_called; +- +- /* Context received from PeerDirect call */ +- void *core_context; +-}; +- +- +-static void free_callback(void *client_priv) +-{ +- struct amd_mem_context *mem_context = +- (struct amd_mem_context *)client_priv; +- +- pr_debug("data 0x%p\n", mem_context); +- +- if (!mem_context) { +- pr_warn("Invalid client context\n"); +- return; +- } +- +- pr_debug("mem_context->core_context 0x%p\n", mem_context->core_context); +- +- /* Call back IB stack asking to invalidate memory */ +- (*ib_invalidate_callback) (ib_reg_handle, mem_context->core_context); +- +- /* amdkfd will free resources when we return from this callback. +- * Set flag to inform that there is nothing to do on "put_pages", etc. +- */ +- ACCESS_ONCE(mem_context->free_callback_called) = 1; +-} +- +- +-static int amd_acquire(unsigned long addr, size_t size, +- void *peer_mem_private_data, +- char *peer_mem_name, void **client_context) +-{ +- int ret; +- struct amd_mem_context *mem_context; +- struct pid *pid; +- +- /* Get pointer to structure describing current process */ +- pid = get_task_pid(current, PIDTYPE_PID); +- +- pr_debug("addr:0x%lx,size:0x%x, pid 0x%p\n", +- addr, (unsigned int)size, pid); +- +- /* Check if address is handled by AMD GPU driver */ +- ret = rdma_interface->is_gpu_address(addr, pid); +- +- if (!ret) { +- pr_debug("Not GPU Address\n"); +- /* This is not GPU address */ +- return 0; +- } +- +- pr_debug("GPU address\n"); +- +- /* Initialize context used for operation with given address */ +- mem_context = kzalloc(sizeof(*mem_context), GFP_KERNEL); +- +- if (!mem_context) +- return 0; /* Error case handled as not GPU address */ +- +- mem_context->free_callback_called = 0; +- mem_context->va = addr; +- mem_context->size = size; +- +- /* Save PID. It is guaranteed that the function will be +- * called in the correct process context as opposite to others. +- */ +- mem_context->pid = pid; +- +- pr_debug("Client context %p\n", mem_context); +- +- /* Return pointer to allocated context */ +- *client_context = mem_context; +- +- /* Return 1 to inform that this address which will be handled +- * by AMD GPU driver +- */ +- return 1; +-} +- +-static int amd_get_pages(unsigned long addr, size_t size, int write, int force, +- struct sg_table *sg_head, +- void *client_context, void *core_context) +-{ +- int ret; +- struct amd_mem_context *mem_context = +- (struct amd_mem_context *)client_context; +- +- pr_debug("addr:0x%lx,size:0x%x, core_context:%p\n", +- addr, (unsigned int)size, core_context); +- +- if (!mem_context) { +- pr_warn("Invalid client context"); +- return -EINVAL; +- } +- +- pr_debug("pid :0x%p\n", mem_context->pid); +- +- +- if (addr != mem_context->va) { +- pr_warn("Context address (0x%llx) is not the same\n", +- mem_context->va); +- return -EINVAL; +- } +- +- if (size != mem_context->size) { +- pr_warn("Context size (0x%llx) is not the same\n", +- mem_context->size); +- return -EINVAL; +- } +- +- ret = rdma_interface->get_pages(addr, +- size, +- mem_context->pid, +- &mem_context->p2p_info, +- free_callback, +- mem_context); +- +- if (ret || !mem_context->p2p_info) { +- pr_err("Could not rdma::get_pages failure: %d\n", ret); +- return ret; +- } +- +- mem_context->core_context = core_context; +- +- /* Note: At this stage it is OK not to fill sg_table */ +- return 0; +-} +- +- +-static int amd_dma_map(struct sg_table *sg_head, void *client_context, +- struct device *dma_device, int dmasync, int *nmap) +-{ +- /* +- * NOTE/TODO: +- * We could have potentially three cases for real memory +- * location: +- * - all memory in the local +- * - all memory in the system (RAM) +- * - memory is spread (s/g) between local and system. +- * +- * In the case of all memory in the system we could use +- * iommu driver to build DMA addresses but not in the case +- * of local memory because currently iommu driver doesn't +- * deal with local/device memory addresses (it requires "struct +- * page"). +- * +- * Accordingly returning assumes that iommu funcutionality +- * should be disabled so we can assume that sg_table already +- * contains DMA addresses. +- * +- */ +- struct amd_mem_context *mem_context = +- (struct amd_mem_context *)client_context; +- +- pr_debug("Context 0x%p, sg_head 0x%p\n", +- client_context, sg_head); +- +- pr_debug("pid 0x%p, address 0x%llx, size:0x%llx\n", +- mem_context->pid, +- mem_context->va, +- mem_context->size); +- +- if (!mem_context->p2p_info) { +- pr_err("No sg table were allocated\n"); +- return -EINVAL; +- } +- +- /* Copy information about previosly allocated sg_table */ +- *sg_head = *mem_context->p2p_info->pages; +- +- /* Return number of pages */ +- *nmap = mem_context->p2p_info->pages->nents; +- +- return 0; +-} +- +-static int amd_dma_unmap(struct sg_table *sg_head, void *client_context, +- struct device *dma_device) +-{ +- struct amd_mem_context *mem_context = +- (struct amd_mem_context *)client_context; +- +- pr_debug("Context 0x%p, sg_table 0x%p\n", +- client_context, sg_head); +- +- pr_debug("pid 0x%p, address 0x%llx, size:0x%llx\n", +- mem_context->pid, +- mem_context->va, +- mem_context->size); +- +- /* Assume success */ +- return 0; +-} +-static void amd_put_pages(struct sg_table *sg_head, void *client_context) +-{ +- int ret = 0; +- struct amd_mem_context *mem_context = +- (struct amd_mem_context *)client_context; +- +- pr_debug("sg_head %p client_context: 0x%p\n", +- sg_head, client_context); +- pr_debug("pid 0x%p, address 0x%llx, size:0x%llx\n", +- mem_context->pid, +- mem_context->va, +- mem_context->size); +- +- pr_debug("mem_context->p2p_info %p\n", +- mem_context->p2p_info); +- +- if (ACCESS_ONCE(mem_context->free_callback_called)) { +- pr_debug("Free callback was called\n"); +- return; +- } +- +- if (mem_context->p2p_info) { +- ret = rdma_interface->put_pages(&mem_context->p2p_info); +- mem_context->p2p_info = NULL; +- +- if (ret) +- pr_err("Failure: %d (callback status %d)\n", +- ret, mem_context->free_callback_called); +- } else +- pr_err("Pointer to p2p info is null\n"); +-} +-static unsigned long amd_get_page_size(void *client_context) +-{ +- unsigned long page_size; +- int result; +- struct amd_mem_context *mem_context = +- (struct amd_mem_context *)client_context; +- +- pr_debug("context: %p\n", client_context); +- pr_debug("pid 0x%p, address 0x%llx, size:0x%llx\n", +- mem_context->pid, +- mem_context->va, +- mem_context->size); +- +- +- result = rdma_interface->get_page_size( +- mem_context->va, +- mem_context->size, +- mem_context->pid, +- &page_size); +- +- if (result) { +- pr_err("Could not get page size. %d\n", result); +- /* If we failed to get page size then do not know what to do. +- * Let's return some default value +- */ +- return PAGE_SIZE; +- } +- +- return page_size; +-} +- +-static void amd_release(void *client_context) +-{ +- struct amd_mem_context *mem_context = +- (struct amd_mem_context *)client_context; +- +- pr_debug("context: 0x%p\n", client_context); +- pr_debug("pid 0x%p, address 0x%llx, size:0x%llx\n", +- mem_context->pid, +- mem_context->va, +- mem_context->size); +- +- kfree(mem_context); +-} +- +- +-static struct peer_memory_client amd_mem_client = { +- .acquire = amd_acquire, +- .get_pages = amd_get_pages, +- .dma_map = amd_dma_map, +- .dma_unmap = amd_dma_unmap, +- .put_pages = amd_put_pages, +- .get_page_size = amd_get_page_size, +- .release = amd_release, +- .get_context_private_data = NULL, +- .put_context_private_data = NULL, +-}; +- +-/** Initialize PeerDirect interface with RDMA Network stack. +- * +- * Because network stack could potentially be loaded later we check +- * presence of PeerDirect when HSA process is created. If PeerDirect was +- * already initialized we do nothing otherwise try to detect and register. +- */ +-void kfd_init_peer_direct(void) +-{ +- int result; +- +- if (pfn_ib_unregister_peer_memory_client) { +- pr_debug("PeerDirect support was already initialized\n"); +- return; +- } +- +- pr_debug("Try to initialize PeerDirect support\n"); +- +- pfn_ib_register_peer_memory_client = +- (void *(*)(struct peer_memory_client *, +- invalidate_peer_memory *)) +- symbol_request(ib_register_peer_memory_client); +- +- pfn_ib_unregister_peer_memory_client = (void (*)(void *)) +- symbol_request(ib_unregister_peer_memory_client); +- +- if (!pfn_ib_register_peer_memory_client || +- !pfn_ib_unregister_peer_memory_client) { +- pr_debug("PeerDirect interface was not detected\n"); +- /* Do cleanup */ +- kfd_close_peer_direct(); +- return; +- } +- +- result = amdkfd_query_rdma_interface(&rdma_interface); +- +- if (result < 0) { +- pr_err("Cannot get RDMA Interface (result = %d)\n", result); +- return; +- } +- +- strcpy(amd_mem_client.name, AMD_PEER_BRIDGE_DRIVER_NAME); +- strcpy(amd_mem_client.version, AMD_PEER_BRIDGE_DRIVER_VERSION); +- +- ib_reg_handle = pfn_ib_register_peer_memory_client(&amd_mem_client, +- &ib_invalidate_callback); +- +- if (!ib_reg_handle) { +- pr_err("Cannot register peer memory client\n"); +- /* Do cleanup */ +- kfd_close_peer_direct(); +- return; +- } +- +- pr_info("PeerDirect support was initialized successfully\n"); +-} +- +-/** +- * Close connection with PeerDirect interface with RDMA Network stack. +- * +- */ +-void kfd_close_peer_direct(void) +-{ +- if (pfn_ib_unregister_peer_memory_client) { +- if (ib_reg_handle) +- pfn_ib_unregister_peer_memory_client(ib_reg_handle); +- +- symbol_put(ib_unregister_peer_memory_client); +- } +- +- if (pfn_ib_register_peer_memory_client) +- symbol_put(ib_register_peer_memory_client); +- +- +- /* Reset pointers to be safe */ +- pfn_ib_unregister_peer_memory_client = NULL; +- pfn_ib_register_peer_memory_client = NULL; +- ib_reg_handle = NULL; +-} +- +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h b/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h +deleted file mode 100644 +index ddad9be..0000000 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h ++++ /dev/null +@@ -1,583 +0,0 @@ +-/* +- * Copyright 2016 Advanced Micro Devices, Inc. +- * +- * Permission is hereby granted, free of charge, to any person obtaining a +- * copy of this software and associated documentation files (the "Software"), +- * to deal in the Software without restriction, including without limitation +- * the rights to use, copy, modify, merge, publish, distribute, sublicense, +- * and/or sell copies of the Software, and to permit persons to whom the +- * Software is furnished to do so, subject to the following conditions: +- * +- * The above copyright notice and this permission notice shall be included in +- * all copies or substantial portions of the Software. +- * +- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR +- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +- * OTHER DEALINGS IN THE SOFTWARE. +- * +- */ +- +-#ifndef F32_MES_PM4_PACKETS_H +-#define F32_MES_PM4_PACKETS_H +- +-#ifndef PM4_MES_HEADER_DEFINED +-#define PM4_MES_HEADER_DEFINED +-union PM4_MES_TYPE_3_HEADER { +- struct { +- uint32_t reserved1 : 8; /* < reserved */ +- uint32_t opcode : 8; /* < IT opcode */ +- uint32_t count : 14;/* < number of DWORDs - 1 in the +- * information body. +- */ +- uint32_t type : 2; /* < packet identifier. +- * It should be 3 for type 3 packets +- */ +- }; +- uint32_t u32All; +-}; +-#endif /* PM4_MES_HEADER_DEFINED */ +- +-/*--------------------MES_SET_RESOURCES--------------------*/ +- +-#ifndef PM4_MES_SET_RESOURCES_DEFINED +-#define PM4_MES_SET_RESOURCES_DEFINED +-enum mes_set_resources_queue_type_enum { +- queue_type__mes_set_resources__kernel_interface_queue_kiq = 0, +- queue_type__mes_set_resources__hsa_interface_queue_hiq = 1, +- queue_type__mes_set_resources__hsa_debug_interface_queue = 4 +-}; +- +- +-struct pm4_mes_set_resources { +- union { +- union PM4_MES_TYPE_3_HEADER header; /* header */ +- uint32_t ordinal1; +- }; +- +- union { +- struct { +- uint32_t vmid_mask:16; +- uint32_t unmap_latency:8; +- uint32_t reserved1:5; +- enum mes_set_resources_queue_type_enum queue_type:3; +- } bitfields2; +- uint32_t ordinal2; +- }; +- +- uint32_t queue_mask_lo; +- uint32_t queue_mask_hi; +- uint32_t gws_mask_lo; +- uint32_t gws_mask_hi; +- +- union { +- struct { +- uint32_t oac_mask:16; +- uint32_t reserved2:16; +- } bitfields7; +- uint32_t ordinal7; +- }; +- +- union { +- struct { +- uint32_t gds_heap_base:6; +- uint32_t reserved3:5; +- uint32_t gds_heap_size:6; +- uint32_t reserved4:15; +- } bitfields8; +- uint32_t ordinal8; +- }; +- +-}; +-#endif +- +-/*--------------------MES_RUN_LIST--------------------*/ +- +-#ifndef PM4_MES_RUN_LIST_DEFINED +-#define PM4_MES_RUN_LIST_DEFINED +- +-struct pm4_mes_runlist { +- union { +- union PM4_MES_TYPE_3_HEADER header; /* header */ +- uint32_t ordinal1; +- }; +- +- union { +- struct { +- uint32_t reserved1:2; +- uint32_t ib_base_lo:30; +- } bitfields2; +- uint32_t ordinal2; +- }; +- +- uint32_t ib_base_hi; +- +- union { +- struct { +- uint32_t ib_size:20; +- uint32_t chain:1; +- uint32_t offload_polling:1; +- uint32_t reserved2:1; +- uint32_t valid:1; +- uint32_t process_cnt:4; +- uint32_t reserved3:4; +- } bitfields4; +- uint32_t ordinal4; +- }; +- +-}; +-#endif +- +-/*--------------------MES_MAP_PROCESS--------------------*/ +- +-#ifndef PM4_MES_MAP_PROCESS_DEFINED +-#define PM4_MES_MAP_PROCESS_DEFINED +- +-struct pm4_mes_map_process { +- union { +- union PM4_MES_TYPE_3_HEADER header; /* header */ +- uint32_t ordinal1; +- }; +- +- union { +- struct { +- uint32_t pasid:16; +- uint32_t reserved1:8; +- uint32_t diq_enable:1; +- uint32_t process_quantum:7; +- } bitfields2; +- uint32_t ordinal2; +- }; +- +- uint32_t vm_context_page_table_base_addr_lo32; +- +- uint32_t vm_context_page_table_base_addr_hi32; +- +- uint32_t sh_mem_bases; +- +- uint32_t sh_mem_config; +- +- uint32_t sq_shader_tba_lo; +- +- uint32_t sq_shader_tba_hi; +- +- uint32_t sq_shader_tma_lo; +- +- uint32_t sq_shader_tma_hi; +- +- uint32_t reserved6; +- +- uint32_t gds_addr_lo; +- +- uint32_t gds_addr_hi; +- +- union { +- struct { +- uint32_t num_gws:6; +- uint32_t reserved7:1; +- uint32_t sdma_enable:1; +- uint32_t num_oac:4; +- uint32_t reserved8:4; +- uint32_t gds_size:6; +- uint32_t num_queues:10; +- } bitfields14; +- uint32_t ordinal14; +- }; +- +- uint32_t completion_signal_lo; +- +- uint32_t completion_signal_hi; +- +-}; +- +-#endif +- +-/*--------------------MES_MAP_PROCESS_VM--------------------*/ +- +-#ifndef PM4_MES_MAP_PROCESS_VM_DEFINED +-#define PM4_MES_MAP_PROCESS_VM_DEFINED +- +-struct PM4_MES_MAP_PROCESS_VM { +- union { +- union PM4_MES_TYPE_3_HEADER header; /* header */ +- uint32_t ordinal1; +- }; +- +- uint32_t reserved1; +- +- uint32_t vm_context_cntl; +- +- uint32_t reserved2; +- +- uint32_t vm_context_page_table_end_addr_lo32; +- +- uint32_t vm_context_page_table_end_addr_hi32; +- +- uint32_t vm_context_page_table_start_addr_lo32; +- +- uint32_t vm_context_page_table_start_addr_hi32; +- +- uint32_t reserved3; +- +- uint32_t reserved4; +- +- uint32_t reserved5; +- +- uint32_t reserved6; +- +- uint32_t reserved7; +- +- uint32_t reserved8; +- +- uint32_t completion_signal_lo32; +- +- uint32_t completion_signal_hi32; +- +-}; +-#endif +- +-/*--------------------MES_MAP_QUEUES--------------------*/ +- +-#ifndef PM4_MES_MAP_QUEUES_VI_DEFINED +-#define PM4_MES_MAP_QUEUES_VI_DEFINED +-enum mes_map_queues_queue_sel_enum { +- queue_sel__mes_map_queues__map_to_specified_queue_slots_vi = 0, +-queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi = 1 +-}; +- +-enum mes_map_queues_queue_type_enum { +- queue_type__mes_map_queues__normal_compute_vi = 0, +- queue_type__mes_map_queues__debug_interface_queue_vi = 1, +- queue_type__mes_map_queues__normal_latency_static_queue_vi = 2, +-queue_type__mes_map_queues__low_latency_static_queue_vi = 3 +-}; +- +-enum mes_map_queues_alloc_format_enum { +- alloc_format__mes_map_queues__one_per_pipe_vi = 0, +-alloc_format__mes_map_queues__all_on_one_pipe_vi = 1 +-}; +- +-enum mes_map_queues_engine_sel_enum { +- engine_sel__mes_map_queues__compute_vi = 0, +- engine_sel__mes_map_queues__sdma0_vi = 2, +- engine_sel__mes_map_queues__sdma1_vi = 3 +-}; +- +- +-struct pm4_mes_map_queues { +- union { +- union PM4_MES_TYPE_3_HEADER header; /* header */ +- uint32_t ordinal1; +- }; +- +- union { +- struct { +- uint32_t reserved1:4; +- enum mes_map_queues_queue_sel_enum queue_sel:2; +- uint32_t reserved2:15; +- enum mes_map_queues_queue_type_enum queue_type:3; +- enum mes_map_queues_alloc_format_enum alloc_format:2; +- enum mes_map_queues_engine_sel_enum engine_sel:3; +- uint32_t num_queues:3; +- } bitfields2; +- uint32_t ordinal2; +- }; +- +- union { +- struct { +- uint32_t reserved3:1; +- uint32_t check_disable:1; +- uint32_t doorbell_offset:26; +- uint32_t reserved4:4; +- } bitfields3; +- uint32_t ordinal3; +- }; +- +- uint32_t mqd_addr_lo; +- uint32_t mqd_addr_hi; +- uint32_t wptr_addr_lo; +- uint32_t wptr_addr_hi; +-}; +-#endif +- +-/*--------------------MES_QUERY_STATUS--------------------*/ +- +-#ifndef PM4_MES_QUERY_STATUS_DEFINED +-#define PM4_MES_QUERY_STATUS_DEFINED +-enum mes_query_status_interrupt_sel_enum { +- interrupt_sel__mes_query_status__completion_status = 0, +- interrupt_sel__mes_query_status__process_status = 1, +- interrupt_sel__mes_query_status__queue_status = 2 +-}; +- +-enum mes_query_status_command_enum { +- command__mes_query_status__interrupt_only = 0, +- command__mes_query_status__fence_only_immediate = 1, +- command__mes_query_status__fence_only_after_write_ack = 2, +- command__mes_query_status__fence_wait_for_write_ack_send_interrupt = 3 +-}; +- +-enum mes_query_status_engine_sel_enum { +- engine_sel__mes_query_status__compute = 0, +- engine_sel__mes_query_status__sdma0_queue = 2, +- engine_sel__mes_query_status__sdma1_queue = 3 +-}; +- +-struct pm4_mes_query_status { +- union { +- union PM4_MES_TYPE_3_HEADER header; /* header */ +- uint32_t ordinal1; +- }; +- +- union { +- struct { +- uint32_t context_id:28; +- enum mes_query_status_interrupt_sel_enum interrupt_sel:2; +- enum mes_query_status_command_enum command:2; +- } bitfields2; +- uint32_t ordinal2; +- }; +- +- union { +- struct { +- uint32_t pasid:16; +- uint32_t reserved1:16; +- } bitfields3a; +- struct { +- uint32_t reserved2:2; +- uint32_t doorbell_offset:26; +- enum mes_query_status_engine_sel_enum engine_sel:3; +- uint32_t reserved3:1; +- } bitfields3b; +- uint32_t ordinal3; +- }; +- +- uint32_t addr_lo; +- uint32_t addr_hi; +- uint32_t data_lo; +- uint32_t data_hi; +-}; +-#endif +- +-/*--------------------MES_UNMAP_QUEUES--------------------*/ +- +-#ifndef PM4_MES_UNMAP_QUEUES_DEFINED +-#define PM4_MES_UNMAP_QUEUES_DEFINED +-enum mes_unmap_queues_action_enum { +- action__mes_unmap_queues__preempt_queues = 0, +- action__mes_unmap_queues__reset_queues = 1, +- action__mes_unmap_queues__disable_process_queues = 2, +- action__mes_unmap_queues__reserved = 3 +-}; +- +-enum mes_unmap_queues_queue_sel_enum { +- queue_sel__mes_unmap_queues__perform_request_on_specified_queues = 0, +- queue_sel__mes_unmap_queues__perform_request_on_pasid_queues = 1, +- queue_sel__mes_unmap_queues__unmap_all_queues = 2, +- queue_sel__mes_unmap_queues__unmap_all_non_static_queues = 3 +-}; +- +-enum mes_unmap_queues_engine_sel_enum { +- engine_sel__mes_unmap_queues__compute = 0, +- engine_sel__mes_unmap_queues__sdma0 = 2, +- engine_sel__mes_unmap_queues__sdmal = 3 +-}; +- +-struct pm4_mes_unmap_queues { +- union { +- union PM4_MES_TYPE_3_HEADER header; /* header */ +- uint32_t ordinal1; +- }; +- +- union { +- struct { +- enum mes_unmap_queues_action_enum action:2; +- uint32_t reserved1:2; +- enum mes_unmap_queues_queue_sel_enum queue_sel:2; +- uint32_t reserved2:20; +- enum mes_unmap_queues_engine_sel_enum engine_sel:3; +- uint32_t num_queues:3; +- } bitfields2; +- uint32_t ordinal2; +- }; +- +- union { +- struct { +- uint32_t pasid:16; +- uint32_t reserved3:16; +- } bitfields3a; +- struct { +- uint32_t reserved4:2; +- uint32_t doorbell_offset0:26; +- int32_t reserved5:4; +- } bitfields3b; +- uint32_t ordinal3; +- }; +- +- union { +- struct { +- uint32_t reserved6:2; +- uint32_t doorbell_offset1:26; +- uint32_t reserved7:4; +- } bitfields4; +- uint32_t ordinal4; +- }; +- +- union { +- struct { +- uint32_t reserved8:2; +- uint32_t doorbell_offset2:26; +- uint32_t reserved9:4; +- } bitfields5; +- uint32_t ordinal5; +- }; +- +- union { +- struct { +- uint32_t reserved10:2; +- uint32_t doorbell_offset3:26; +- uint32_t reserved11:4; +- } bitfields6; +- uint32_t ordinal6; +- }; +-}; +-#endif +- +-#ifndef PM4_MEC_RELEASE_MEM_DEFINED +-#define PM4_MEC_RELEASE_MEM_DEFINED +- +-enum mec_release_mem_event_index_enum { +- event_index__mec_release_mem__end_of_pipe = 5, +- event_index__mec_release_mem__shader_done = 6 +-}; +- +-enum mec_release_mem_cache_policy_enum { +- cache_policy__mec_release_mem__lru = 0, +- cache_policy__mec_release_mem__stream = 1 +-}; +- +-enum mec_release_mem_pq_exe_status_enum { +- pq_exe_status__mec_release_mem__default = 0, +- pq_exe_status__mec_release_mem__phase_update = 1 +-}; +- +-enum mec_release_mem_dst_sel_enum { +- dst_sel__mec_release_mem__memory_controller = 0, +- dst_sel__mec_release_mem__tc_l2 = 1, +- dst_sel__mec_release_mem__queue_write_pointer_register = 2, +- dst_sel__mec_release_mem__queue_write_pointer_poll_mask_bit = 3 +-}; +- +-enum mec_release_mem_int_sel_enum { +- int_sel__mec_release_mem__none = 0, +- int_sel__mec_release_mem__send_interrupt_only = 1, +- int_sel__mec_release_mem__send_interrupt_after_write_confirm = 2, +- int_sel__mec_release_mem__send_data_after_write_confirm = 3, +- int_sel__mec_release_mem__unconditionally_send_int_ctxid = 4, +- int_sel__mec_release_mem__conditionally_send_int_ctxid_based_on_32_bit_compare = 5, +- int_sel__mec_release_mem__conditionally_send_int_ctxid_based_on_64_bit_compare = 6 +-}; +- +-enum mec_release_mem_data_sel_enum { +- data_sel__mec_release_mem__none = 0, +- data_sel__mec_release_mem__send_32_bit_low = 1, +- data_sel__mec_release_mem__send_64_bit_data = 2, +- data_sel__mec_release_mem__send_gpu_clock_counter = 3, +- data_sel__mec_release_mem__send_cp_perfcounter_hi_lo = 4, +- data_sel__mec_release_mem__store_gds_data_to_memory = 5 +-}; +- +-struct pm4_mec_release_mem { +- union { +- union PM4_MES_TYPE_3_HEADER header; /*header */ +- unsigned int ordinal1; +- }; +- +- union { +- struct { +- unsigned int event_type:6; +- unsigned int reserved1:2; +- enum mec_release_mem_event_index_enum event_index:4; +- unsigned int tcl1_vol_action_ena:1; +- unsigned int tc_vol_action_ena:1; +- unsigned int reserved2:1; +- unsigned int tc_wb_action_ena:1; +- unsigned int tcl1_action_ena:1; +- unsigned int tc_action_ena:1; +- uint32_t reserved3:1; +- uint32_t tc_nc_action_ena:1; +- uint32_t tc_wc_action_ena:1; +- uint32_t tc_md_action_ena:1; +- uint32_t reserved4:3; +- enum mec_release_mem_cache_policy_enum cache_policy:2; +- uint32_t reserved5:2; +- enum mec_release_mem_pq_exe_status_enum pq_exe_status:1; +- uint32_t reserved6:2; +- } bitfields2; +- unsigned int ordinal2; +- }; +- +- union { +- struct { +- uint32_t reserved7:16; +- enum mec_release_mem_dst_sel_enum dst_sel:2; +- uint32_t reserved8:6; +- enum mec_release_mem_int_sel_enum int_sel:3; +- uint32_t reserved9:2; +- enum mec_release_mem_data_sel_enum data_sel:3; +- } bitfields3; +- unsigned int ordinal3; +- }; +- +- union { +- struct { +- uint32_t reserved10:2; +- unsigned int address_lo_32b:30; +- } bitfields4; +- struct { +- uint32_t reserved11:3; +- uint32_t address_lo_64b:29; +- } bitfields4b; +- uint32_t reserved12; +- unsigned int ordinal4; +- }; +- +- union { +- uint32_t address_hi; +- uint32_t reserved13; +- uint32_t ordinal5; +- }; +- +- union { +- uint32_t data_lo; +- uint32_t cmp_data_lo; +- struct { +- uint32_t dw_offset:16; +- uint32_t num_dwords:16; +- } bitfields6c; +- uint32_t reserved14; +- uint32_t ordinal6; +- }; +- +- union { +- uint32_t data_hi; +- uint32_t cmp_data_hi; +- uint32_t reserved15; +- uint32_t reserved16; +- uint32_t ordinal7; +- }; +- +- uint32_t int_ctxid; +- +-}; +- +-#endif +- +-enum { +- CACHE_FLUSH_AND_INV_TS_EVENT = 0x00000014 +-}; +-#endif +- +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_diq.h b/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_diq.h +index 0b314a8..a0ff348 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_diq.h ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_diq.h +@@ -77,6 +77,103 @@ struct pm4__indirect_buffer_pasid { + + #endif + ++/*--------------------_RELEASE_MEM-------------------- */ ++ ++#ifndef _PM4__RELEASE_MEM_DEFINED ++#define _PM4__RELEASE_MEM_DEFINED ++enum _RELEASE_MEM_event_index_enum { ++ event_index___release_mem__end_of_pipe = 5, ++ event_index___release_mem__shader_done = 6 ++}; ++ ++enum _RELEASE_MEM_cache_policy_enum { ++ cache_policy___release_mem__lru = 0, ++ cache_policy___release_mem__stream = 1, ++ cache_policy___release_mem__bypass = 2 ++}; ++ ++enum _RELEASE_MEM_dst_sel_enum { ++ dst_sel___release_mem__memory_controller = 0, ++ dst_sel___release_mem__tc_l2 = 1, ++ dst_sel___release_mem__queue_write_pointer_register = 2, ++ dst_sel___release_mem__queue_write_pointer_poll_mask_bit = 3 ++}; ++ ++enum _RELEASE_MEM_int_sel_enum { ++ int_sel___release_mem__none = 0, ++ int_sel___release_mem__send_interrupt_only = 1, ++ int_sel___release_mem__send_interrupt_after_write_confirm = 2, ++ int_sel___release_mem__send_data_after_write_confirm = 3 ++}; ++ ++enum _RELEASE_MEM_data_sel_enum { ++ data_sel___release_mem__none = 0, ++ data_sel___release_mem__send_32_bit_low = 1, ++ data_sel___release_mem__send_64_bit_data = 2, ++ data_sel___release_mem__send_gpu_clock_counter = 3, ++ data_sel___release_mem__send_cp_perfcounter_hi_lo = 4, ++ data_sel___release_mem__store_gds_data_to_memory = 5 ++}; ++ ++struct pm4__release_mem { ++ union { ++ union PM4_MES_TYPE_3_HEADER header; /*header */ ++ unsigned int ordinal1; ++ }; ++ ++ union { ++ struct { ++ unsigned int event_type:6; ++ unsigned int reserved1:2; ++ enum _RELEASE_MEM_event_index_enum event_index:4; ++ unsigned int tcl1_vol_action_ena:1; ++ unsigned int tc_vol_action_ena:1; ++ unsigned int reserved2:1; ++ unsigned int tc_wb_action_ena:1; ++ unsigned int tcl1_action_ena:1; ++ unsigned int tc_action_ena:1; ++ unsigned int reserved3:6; ++ unsigned int atc:1; ++ enum _RELEASE_MEM_cache_policy_enum cache_policy:2; ++ unsigned int reserved4:5; ++ } bitfields2; ++ unsigned int ordinal2; ++ }; ++ ++ union { ++ struct { ++ unsigned int reserved5:16; ++ enum _RELEASE_MEM_dst_sel_enum dst_sel:2; ++ unsigned int reserved6:6; ++ enum _RELEASE_MEM_int_sel_enum int_sel:3; ++ unsigned int reserved7:2; ++ enum _RELEASE_MEM_data_sel_enum data_sel:3; ++ } bitfields3; ++ unsigned int ordinal3; ++ }; ++ ++ union { ++ struct { ++ unsigned int reserved8:2; ++ unsigned int address_lo_32b:30; ++ } bitfields4; ++ struct { ++ unsigned int reserved9:3; ++ unsigned int address_lo_64b:29; ++ } bitfields5; ++ unsigned int ordinal4; ++ }; ++ ++ unsigned int address_hi; ++ ++ unsigned int data_lo; ++ ++ unsigned int data_hi; ++ ++}; ++#endif ++ ++ + /*--------------------_SET_CONFIG_REG-------------------- */ + + #ifndef _PM4__SET_CONFIG_REG_DEFINED +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +index 28fac2d..b397ec7 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +@@ -24,55 +24,19 @@ + #define KFD_PRIV_H_INCLUDED + + #include <linux/hashtable.h> +-#include <linux/version.h> + #include <linux/mmu_notifier.h> + #include <linux/mutex.h> + #include <linux/types.h> + #include <linux/atomic.h> + #include <linux/workqueue.h> + #include <linux/spinlock.h> +-#include <linux/idr.h> + #include <linux/kfd_ioctl.h> +-#include <linux/pid.h> +-#include <linux/interval_tree.h> +-#include <linux/seq_file.h> +-#include <linux/kref.h> +-#include <linux/kfifo.h> + #include <kgd_kfd_interface.h> + +-#include <drm/amd_rdma.h> +-#include "amd_shared.h" +- + #define KFD_SYSFS_FILE_MODE 0444 + +-/* GPU ID hash width in bits */ +-#define KFD_GPU_ID_HASH_WIDTH 16 +- +-/* Use upper bits of mmap offset to store KFD driver specific information. +- * BITS[63:62] - Encode MMAP type +- * BITS[61:46] - Encode gpu_id. To identify to which GPU the offset belongs to +- * BITS[45:40] - Reserved. Not Used. +- * BITS[39:0] - MMAP offset value. Used by TTM. +- * +- * NOTE: struct vm_area_struct.vm_pgoff uses offset in pages. Hence, these +- * defines are w.r.t to PAGE_SIZE +- */ +-#define KFD_MMAP_TYPE_SHIFT (62 - PAGE_SHIFT) +-#define KFD_MMAP_TYPE_MASK (0x3ULL << KFD_MMAP_TYPE_SHIFT) +-#define KFD_MMAP_TYPE_DOORBELL (0x3ULL << KFD_MMAP_TYPE_SHIFT) +-#define KFD_MMAP_TYPE_EVENTS (0x2ULL << KFD_MMAP_TYPE_SHIFT) +-#define KFD_MMAP_TYPE_RESERVED_MEM (0x1ULL << KFD_MMAP_TYPE_SHIFT) +- +-#define KFD_MMAP_GPU_ID_SHIFT (46 - PAGE_SHIFT) +-#define KFD_MMAP_GPU_ID_MASK (((1ULL << KFD_GPU_ID_HASH_WIDTH) - 1) \ +- << KFD_MMAP_GPU_ID_SHIFT) +-#define KFD_MMAP_GPU_ID(gpu_id) ((((uint64_t)gpu_id) << KFD_MMAP_GPU_ID_SHIFT)\ +- & KFD_MMAP_GPU_ID_MASK) +-#define KFD_MMAP_GPU_ID_GET(offset) ((offset & KFD_MMAP_GPU_ID_MASK) \ +- >> KFD_MMAP_GPU_ID_SHIFT) +- +-#define KFD_MMAP_OFFSET_VALUE_MASK (0xFFFFFFFFFFULL >> PAGE_SHIFT) +-#define KFD_MMAP_OFFSET_VALUE_GET(offset) (offset & KFD_MMAP_OFFSET_VALUE_MASK) ++#define KFD_MMAP_DOORBELL_MASK 0x8000000000000 ++#define KFD_MMAP_EVENTS_MASK 0x4000000000000 + + /* + * When working with cp scheduler we should assign the HIQ manually or via +@@ -84,6 +48,8 @@ + #define KFD_CIK_HIQ_PIPE 4 + #define KFD_CIK_HIQ_QUEUE 0 + ++/* GPU ID hash width in bits */ ++#define KFD_GPU_ID_HASH_WIDTH 16 + + /* Macro for allocating structures */ + #define kfd_alloc_struct(ptr_to_struct) \ +@@ -93,15 +59,6 @@ + #define KFD_MAX_NUM_OF_QUEUES_PER_PROCESS 1024 + + /* +- * Size of the per-process TBA+TMA buffer: 2 pages +- * +- * The first page is the TBA used for the CWSR ISA code. The second +- * page is used as TMA for daisy changing a user-mode trap handler. +- */ +-#define KFD_CWSR_TBA_TMA_SIZE (PAGE_SIZE * 2) +-#define KFD_CWSR_TMA_OFFSET PAGE_SIZE +- +-/* + * Kernel module parameter to specify maximum number of supported queues per + * device + */ +@@ -117,50 +74,12 @@ extern int max_num_of_queues_per_device; + /* Kernel module parameter to specify the scheduling policy */ + extern int sched_policy; + +-extern int cwsr_enable; +- +-/* +- * Kernel module parameter to specify the maximum process +- * number per HW scheduler +- */ +-extern int hws_max_conc_proc; +- + /* + * Kernel module parameter to specify whether to send sigterm to HSA process on + * unhandled exception + */ + extern int send_sigterm; + +-/* +- * This kernel module is used to simulate large bar machine on non-large bar +- * enabled machines. +- */ +-extern int debug_largebar; +- +-/* +- * Ignore CRAT table during KFD initialization, can be used to work around +- * broken CRAT tables on some AMD systems +- */ +-extern int ignore_crat; +- +-/* +- * Set sh_mem_config.retry_disable on Vega10 +- */ +-extern int vega10_noretry; +- +-/* +- * Enable privileged mode for all CP queues including user queues +- */ +-extern int priv_cp_queues; +- +-#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0) && defined(BUILD_AS_DKMS) +-/* +- * Currently, mm_access() function is not exported. So for DKMS build, +- * CMA will be enabled only if module param is set. +- */ +-extern int cma_enable; +-#endif +- + /** + * enum kfd_sched_policy + * +@@ -193,30 +112,26 @@ enum cache_policy { + cache_policy_noncoherent + }; + +-#define KFD_IS_SOC15(chip) ((chip) >= CHIP_VEGA10) ++enum asic_family_type { ++ CHIP_KAVERI = 0, ++ CHIP_CARRIZO ++}; + + struct kfd_event_interrupt_class { + bool (*interrupt_isr)(struct kfd_dev *dev, +- const uint32_t *ih_ring_entry, uint32_t *patched_ihre, +- bool *patched_flag); ++ const uint32_t *ih_ring_entry); + void (*interrupt_wq)(struct kfd_dev *dev, +- const uint32_t *ih_ring_entry); ++ const uint32_t *ih_ring_entry); + }; + + struct kfd_device_info { +- enum amd_asic_type asic_family; ++ unsigned int asic_family; + const struct kfd_event_interrupt_class *event_interrupt_class; + unsigned int max_pasid_bits; + unsigned int max_no_of_hqd; +- unsigned int doorbell_size; + size_t ih_ring_entry_size; + uint8_t num_of_watch_points; + uint16_t mqd_size_aligned; +- bool is_need_iommu_device; +- bool supports_cwsr; +- bool needs_pci_atomics; +- /* obtain from adev->sdma.num_instances */ +- unsigned int num_sdma_engines; + }; + + struct kfd_mem_obj { +@@ -224,13 +139,6 @@ struct kfd_mem_obj { + uint32_t range_end; + uint64_t gpu_addr; + uint32_t *cpu_ptr; +- void *gtt_mem; +-}; +- +-struct kfd_vmid_info { +- uint32_t first_vmid_kfd; +- uint32_t last_vmid_kfd; +- uint32_t vmid_num_kfd; + }; + + struct kfd_dev { +@@ -249,12 +157,14 @@ struct kfd_dev { + * to HW doorbell, GFX reserved some + * at the start) + */ ++ size_t doorbell_process_limit; /* Number of processes we have doorbell ++ * space for. ++ */ + u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells + * page used by kernel queue + */ + + struct kgd2kfd_shared_resources shared_resources; +- struct kfd_vmid_info vm_info; + + const struct kfd2kgd_calls *kfd2kgd; + struct mutex doorbell_mutex; +@@ -270,8 +180,10 @@ struct kfd_dev { + unsigned int gtt_sa_num_of_chunks; + + /* Interrupts */ +- struct kfifo ih_fifo; +- struct workqueue_struct *ih_wq; ++ void *interrupt_ring; ++ size_t interrupt_ring_size; ++ atomic_t interrupt_ring_rptr; ++ atomic_t interrupt_ring_wptr; + struct work_struct interrupt_work; + spinlock_t interrupt_lock; + +@@ -279,7 +191,6 @@ struct kfd_dev { + struct device_queue_manager *dqm; + + bool init_complete; +- + /* + * Interrupts of interest to KFD are copied + * from the HW ring into a SW ring. +@@ -287,31 +198,7 @@ struct kfd_dev { + bool interrupts_active; + + /* Debug manager */ +- struct kfd_dbgmgr *dbgmgr; +- +- /* MEC firmware version*/ +- uint16_t mec_fw_version; +- +- /* Maximum process number mapped to HW scheduler */ +- unsigned int max_proc_per_quantum; +- +- /* CWSR */ +- bool cwsr_enabled; +- const void *cwsr_isa; +- unsigned int cwsr_isa_size; +- +- /* IB usage */ +- uint32_t ib_size; +-}; +- +-struct kfd_ipc_obj; +- +-struct kfd_bo { +- void *mem; +- struct interval_tree_node it; +- struct kfd_dev *dev; +- struct list_head cb_data_head; +- struct kfd_ipc_obj *kfd_ipc_obj; ++ struct kfd_dbgmgr *dbgmgr; + }; + + /* KGD2KFD callbacks */ +@@ -334,22 +221,22 @@ void kfd_chardev_exit(void); + struct device *kfd_chardev(void); + + /** +- * enum kfd_unmap_queues_filter ++ * enum kfd_preempt_type_filter + * +- * @KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: Preempts single queue. ++ * @KFD_PREEMPT_TYPE_FILTER_SINGLE_QUEUE: Preempts single queue. + * +- * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the ++ * @KFD_PRERMPT_TYPE_FILTER_ALL_QUEUES: Preempts all queues in the + * running queues list. + * +- * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to ++ * @KFD_PRERMPT_TYPE_FILTER_BY_PASID: Preempts queues that belongs to + * specific process. + * + */ +-enum kfd_unmap_queues_filter { +- KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE, +- KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, +- KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, +- KFD_UNMAP_QUEUES_FILTER_BY_PASID ++enum kfd_preempt_type_filter { ++ KFD_PREEMPT_TYPE_FILTER_SINGLE_QUEUE, ++ KFD_PREEMPT_TYPE_FILTER_ALL_QUEUES, ++ KFD_PREEMPT_TYPE_FILTER_DYNAMIC_QUEUES, ++ KFD_PREEMPT_TYPE_FILTER_BY_PASID + }; + + /** +@@ -375,11 +262,6 @@ enum kfd_queue_format { + KFD_QUEUE_FORMAT_AQL + }; + +-enum KFD_QUEUE_PRIORITY { +- KFD_QUEUE_PRIORITY_MINIMUM = 0, +- KFD_QUEUE_PRIORITY_MAXIMUM = 15 +-}; +- + /** + * struct queue_properties + * +@@ -434,10 +316,9 @@ struct queue_properties { + uint32_t queue_percent; + uint32_t *read_ptr; + uint32_t *write_ptr; +- void __iomem *doorbell_ptr; ++ uint32_t __iomem *doorbell_ptr; + uint32_t doorbell_off; + bool is_interop; +- bool is_evicted; /* true -> queue is evicted */ + bool is_active; + /* Not relevant for user mode queues in cp scheduling */ + unsigned int vmid; +@@ -450,12 +331,6 @@ struct queue_properties { + uint32_t eop_ring_buffer_size; + uint64_t ctx_save_restore_area_address; + uint32_t ctx_save_restore_area_size; +- uint32_t ctl_stack_size; +- uint64_t tba_addr; +- uint64_t tma_addr; +- /* Relevant for CU */ +- uint32_t cu_mask_count; /* Must be a multiple of 32 */ +- uint32_t *cu_mask; + }; + + /** +@@ -500,7 +375,6 @@ struct queue { + uint32_t queue; + + unsigned int sdma_id; +- unsigned int doorbell_id; + + struct kfd_process *process; + struct kfd_dev *device; +@@ -517,19 +391,6 @@ enum KFD_MQD_TYPE { + KFD_MQD_TYPE_MAX + }; + +-enum KFD_PIPE_PRIORITY { +- KFD_PIPE_PRIORITY_CS_LOW = 0, +- KFD_PIPE_PRIORITY_CS_MEDIUM, +- KFD_PIPE_PRIORITY_CS_HIGH +-}; +- +-enum KFD_SPI_PRIORITY { +- KFD_SPI_PRIORITY_EXTRA_LOW = 0, +- KFD_SPI_PRIORITY_LOW, +- KFD_SPI_PRIORITY_MEDIUM, +- KFD_SPI_PRIORITY_HIGH +-}; +- + struct scheduling_resources { + unsigned int vmid_mask; + enum kfd_queue_type type; +@@ -543,6 +404,7 @@ struct scheduling_resources { + struct process_queue_manager { + /* data */ + struct kfd_process *process; ++ unsigned int num_concurrent_processes; + struct list_head queues; + unsigned long *queue_slot_bitmap; + }; +@@ -556,16 +418,8 @@ struct qcm_process_device { + struct list_head priv_queue_list; + + unsigned int queue_count; +- /* a data field only meaningful for non-HWS case */ + unsigned int vmid; + bool is_debug; +- unsigned int evicted; /* eviction counter, 0=active */ +- +- /* This flag tells if we should reset all wavefronts on +- * process termination +- */ +- bool reset_wavefronts; +- + /* + * All the memory management data should be here too + */ +@@ -579,49 +433,6 @@ struct qcm_process_device { + uint32_t num_gws; + uint32_t num_oac; + uint32_t sh_hidden_private_base; +- +- /* CWSR memory */ +- void *cwsr_kaddr; +- uint64_t cwsr_base; +- uint64_t tba_addr; +- uint64_t tma_addr; +- +- /* IB memory */ +- uint64_t ib_base; /* ib_base+ib_size must be below cwsr_base */ +- void *ib_kaddr; +- +- /*doorbell resources per process per device*/ +- unsigned long *doorbell_bitmap; +-}; +- +-/* KFD Memory Eviction */ +- +-/* Approx. wait time before attempting to restore evicted BOs */ +-#define PROCESS_RESTORE_TIME_MS 100 +-/* Approx. back off time if restore fails due to lack of memory */ +-#define PROCESS_BACK_OFF_TIME_MS 100 +-/* Approx. time before evicting the process again */ +-#define PROCESS_ACTIVE_TIME_MS 10 +- +-void kfd_evict_bo_worker(struct work_struct *work); +-void kfd_restore_bo_worker(struct work_struct *work); +-int kgd2kfd_schedule_evict_and_restore_process(struct mm_struct *mm, +- struct dma_fence *fence); +-int quiesce_process_mm(struct kfd_process *p); +- +- +-/* 8 byte handle containing GPU ID in the most significant 4 bytes and +- * idr_handle in the least significant 4 bytes +- */ +-#define MAKE_HANDLE(gpu_id, idr_handle) \ +- (((uint64_t)(gpu_id) << 32) + idr_handle) +-#define GET_GPU_ID(handle) (handle >> 32) +-#define GET_IDR_HANDLE(handle) (handle & 0xFFFFFFFF) +- +-enum kfd_pdd_bound { +- PDD_UNBOUND = 0, +- PDD_BOUND, +- PDD_BOUND_SUSPENDED, + }; + + /* Data that is per-process-per device. */ +@@ -635,8 +446,6 @@ struct kfd_process_device { + /* The device that owns this data. */ + struct kfd_dev *dev; + +- /* The process that owns this kfd_process_device. */ +- struct kfd_process *process; + + /* per-process-per device QCM data structure */ + struct qcm_process_device qpd; +@@ -648,24 +457,14 @@ struct kfd_process_device { + uint64_t gpuvm_limit; + uint64_t scratch_base; + uint64_t scratch_limit; +- uint64_t dgpu_base; +- uint64_t dgpu_limit; + + /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ +- enum kfd_pdd_bound bound; +- +- /* VM context for GPUVM allocations */ +- void *vm; ++ bool bound; + +- /* GPUVM allocations storage */ +- struct idr alloc_idr; +- +- /* Flag used to tell the pdd has dequeued from the dqm. +- * This is used to prevent dev->dqm->ops.process_termination() from +- * being called twice when it is already called in IOMMU callback +- * function. ++ /* This flag tells if we should reset all ++ * wavefronts on process termination + */ +- bool already_dequeued; ++ bool reset_wavefronts; + }; + + #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) +@@ -678,15 +477,7 @@ struct kfd_process { + */ + struct hlist_node kfd_processes; + +- /* +- * Opaque pointer to mm_struct. We don't hold a reference to +- * it so it should never be dereferenced from here. This is +- * only used for looking up processes by their mm. +- */ +- void *mm; +- +- struct kref ref; +- struct work_struct release_work; ++ struct mm_struct *mm; + + struct mutex mutex; + +@@ -694,8 +485,6 @@ struct kfd_process { + * In any process, the thread that started main() is the lead + * thread and outlives the rest. + * It is here because amd_iommu_bind_pasid wants a task_struct. +- * It can also be used for safely getting a reference to the +- * mm_struct of the process. + */ + struct task_struct *lead_thread; + +@@ -706,7 +495,6 @@ struct kfd_process { + struct rcu_head rcu; + + unsigned int pasid; +- unsigned int doorbell_index; + + /* + * List of kfd_process_device structures, +@@ -716,37 +504,23 @@ struct kfd_process { + + struct process_queue_manager pqm; + ++ /* The process's queues. */ ++ size_t queue_array_size; ++ ++ /* Size is queue_array_size, up to MAX_PROCESS_QUEUES. */ ++ struct kfd_queue **queues; ++ + /*Is the user space process 32 bit?*/ + bool is_32bit_user_mode; + + /* Event-related data */ + struct mutex event_mutex; +- /* Event ID allocator and lookup */ +- struct idr event_idr; +- /* Event page */ +- struct kfd_signal_page *signal_page; ++ /* All events in process hashed by ID, linked on kfd_event.events. */ ++ DECLARE_HASHTABLE(events, 4); ++ /* struct slot_page_header.event_pages */ ++ struct list_head signal_event_pages; ++ u32 next_nonsignal_event_id; + size_t signal_event_count; +- bool signal_event_limit_reached; +- +- struct rb_root_cached bo_interval_tree; +- +- /* Information used for memory eviction */ +- void *process_info; +- /* Eviction fence that is attached to all the BOs of this process. The +- * fence will be triggered during eviction and new one will be created +- * during restore +- */ +- struct dma_fence *ef; +- +- /* Work items for evicting and restoring BOs */ +- struct delayed_work eviction_work; +- struct delayed_work restore_work; +- /* seqno of the last scheduled eviction */ +- unsigned int last_eviction_seqno; +- /* Approx. the last timestamp (in jiffies) when the process was +- * restored after an eviction +- */ +- unsigned long last_restore_timestamp; + }; + + /** +@@ -769,50 +543,18 @@ struct amdkfd_ioctl_desc { + + void kfd_process_create_wq(void); + void kfd_process_destroy_wq(void); +-struct kfd_process *kfd_create_process(struct file *filep); +-struct kfd_process *kfd_get_process(const struct task_struct *task); ++struct kfd_process *kfd_create_process(const struct task_struct *); ++struct kfd_process *kfd_get_process(const struct task_struct *); + struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid); +-struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm); +-void kfd_unref_process(struct kfd_process *p); +-void kfd_suspend_all_processes(void); +-int kfd_resume_all_processes(void); + + struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, + struct kfd_process *p); +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) +-int kfd_bind_processes_to_device(struct kfd_dev *dev); +-void kfd_unbind_processes_from_device(struct kfd_dev *dev); +-#endif +-void kfd_process_iommu_unbind_callback(struct kfd_dev *dev, unsigned int pasid); ++void kfd_unbind_process_from_device(struct kfd_dev *dev, unsigned int pasid); + struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, + struct kfd_process *p); + struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, + struct kfd_process *p); + +-int kfd_reserved_mem_mmap(struct kfd_process *process, +- struct vm_area_struct *vma); +- +-/* KFD process API for creating and translating handles */ +-int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd, +- void *mem, uint64_t start, +- uint64_t length, +- struct kfd_ipc_obj *ipc_obj); +-void *kfd_process_device_translate_handle(struct kfd_process_device *p, +- int handle); +-struct kfd_bo *kfd_process_device_find_bo(struct kfd_process_device *pdd, +- int handle); +-void *kfd_process_find_bo_from_interval(struct kfd_process *p, +- uint64_t start_addr, +- uint64_t last_addr); +-void kfd_process_device_remove_obj_handle(struct kfd_process_device *pdd, +- int handle); +- +-void run_rdma_free_callback(struct kfd_bo *buf_obj); +-struct kfd_process *kfd_lookup_process_by_pid(struct pid *pid); +- +-/* kfd dgpu memory */ +-int kfd_unmap_memory_from_gpu(void *mem, struct kfd_process_device *pdd); +- + /* Process device data iterator */ + struct kfd_process_device *kfd_get_first_process_device_data( + struct kfd_process *p); +@@ -830,24 +572,17 @@ unsigned int kfd_pasid_alloc(void); + void kfd_pasid_free(unsigned int pasid); + + /* Doorbells */ +-size_t kfd_doorbell_process_slice(struct kfd_dev *kfd); + int kfd_doorbell_init(struct kfd_dev *kfd); + void kfd_doorbell_fini(struct kfd_dev *kfd); +-int kfd_doorbell_mmap(struct kfd_dev *kfd, struct kfd_process *process, +- struct vm_area_struct *vma); +-void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, ++int kfd_doorbell_mmap(struct kfd_process *process, struct vm_area_struct *vma); ++u32 __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, + unsigned int *doorbell_off); + void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); + u32 read_kernel_doorbell(u32 __iomem *db); +-void write_kernel_doorbell(void __iomem *db, u32 value); +-void write_kernel_doorbell64(void __iomem *db, u64 value); +-unsigned int kfd_doorbell_id_to_offset(struct kfd_dev *kfd, ++void write_kernel_doorbell(u32 __iomem *db, u32 value); ++unsigned int kfd_queue_id_to_doorbell(struct kfd_dev *kfd, + struct kfd_process *process, +- unsigned int doorbell_id); +-phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, +- struct kfd_process *process); +-int kfd_alloc_process_doorbells(struct kfd_process *process); +-void kfd_free_process_doorbells(struct kfd_process *process); ++ unsigned int queue_id); + + /* GTT Sub-Allocator */ + +@@ -863,37 +598,27 @@ int kfd_topology_init(void); + void kfd_topology_shutdown(void); + int kfd_topology_add_device(struct kfd_dev *gpu); + int kfd_topology_remove_device(struct kfd_dev *gpu); +-struct kfd_topology_device *kfd_topology_device_by_proximity_domain( +- uint32_t proximity_domain); + struct kfd_dev *kfd_device_by_id(uint32_t gpu_id); + struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev); +-struct kfd_dev *kfd_device_by_kgd(const struct kgd_dev *kgd); +-int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev); +-int kfd_numa_node_to_apic_id(int numa_node_id); ++struct kfd_dev *kfd_topology_enum_kfd_devices(uint8_t idx); + + /* Interrupts */ + int kfd_interrupt_init(struct kfd_dev *dev); + void kfd_interrupt_exit(struct kfd_dev *dev); + void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry); + bool enqueue_ih_ring_entry(struct kfd_dev *kfd, const void *ih_ring_entry); +-bool interrupt_is_wanted(struct kfd_dev *dev, +- const uint32_t *ih_ring_entry, +- uint32_t *patched_ihre, bool *flag); ++bool interrupt_is_wanted(struct kfd_dev *dev, const uint32_t *ih_ring_entry); + + /* Power Management */ + void kgd2kfd_suspend(struct kfd_dev *kfd); + int kgd2kfd_resume(struct kfd_dev *kfd); + +-/* GPU reset */ +-int kgd2kfd_pre_reset(struct kfd_dev *kfd); +-int kgd2kfd_post_reset(struct kfd_dev *kfd); +- + /* amdkfd Apertures */ + int kfd_init_apertures(struct kfd_process *process); +-int kfd_set_process_dgpu_aperture(struct kfd_process_device *pdd, +- uint64_t base, uint64_t limit); + + /* Queue Context Management */ ++struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd); ++ + int init_queue(struct queue **q, const struct queue_properties *properties); + void uninit_queue(struct queue *q); + void print_queue_properties(struct queue_properties *q); +@@ -903,20 +628,13 @@ struct mqd_manager *mqd_manager_init(enum KFD_MQD_TYPE type, + struct kfd_dev *dev); + struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, + struct kfd_dev *dev); +-struct mqd_manager *mqd_manager_init_cik_hawaii(enum KFD_MQD_TYPE type, +- struct kfd_dev *dev); + struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, + struct kfd_dev *dev); +-struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, +- struct kfd_dev *dev); +-struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, +- struct kfd_dev *dev); + struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); + void device_queue_manager_uninit(struct device_queue_manager *dqm); + struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, + enum kfd_queue_type type); + void kernel_queue_uninit(struct kernel_queue *kq); +-int kfd_process_vm_fault(struct device_queue_manager *dqm, unsigned int pasid); + + /* Process Queue Manager */ + struct process_queue_node { +@@ -925,40 +643,32 @@ struct process_queue_node { + struct list_head process_queue_list; + }; + +-void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); +-void kfd_process_dequeue_from_all_devices(struct kfd_process *p); + int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); + void pqm_uninit(struct process_queue_manager *pqm); + int pqm_create_queue(struct process_queue_manager *pqm, + struct kfd_dev *dev, + struct file *f, + struct queue_properties *properties, ++ unsigned int flags, ++ enum kfd_queue_type type, + unsigned int *qid); + int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); + int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, + struct queue_properties *p); +-int pqm_set_cu_mask(struct process_queue_manager *pqm, unsigned int qid, +- struct queue_properties *p); + struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, + unsigned int qid); +-int pqm_get_wave_state(struct process_queue_manager *pqm, +- unsigned int qid, +- void __user *ctl_stack, +- u32 *ctl_stack_used_size, +- u32 *save_area_used_size); +-int kgd2kfd_quiesce_mm(struct kfd_dev *kfd, struct mm_struct *mm); +-int kgd2kfd_resume_mm(struct kfd_dev *kfd, struct mm_struct *mm); + + int amdkfd_fence_wait_timeout(unsigned int *fence_addr, + unsigned int fence_value, +- unsigned int timeout_ms); ++ unsigned long timeout); + + /* Packet Manager */ + ++#define KFD_HIQ_TIMEOUT (500) ++ + #define KFD_FENCE_COMPLETED (100) + #define KFD_FENCE_INIT (10) +- +-struct packet_manager_func; ++#define KFD_UNMAP_LATENCY (150) + + struct packet_manager { + struct device_queue_manager *dqm; +@@ -966,42 +676,9 @@ struct packet_manager { + struct mutex lock; + bool allocated; + struct kfd_mem_obj *ib_buffer_obj; +- unsigned int ib_size_bytes; +- +- struct packet_manager_funcs *pmf; + }; + +-struct packet_manager_funcs { +- /* Support different firmware versions for PM4 packets */ +- int (*map_process)(struct packet_manager *pm, uint32_t *buffer, +- struct qcm_process_device *qpd); +- int (*runlist)(struct packet_manager *pm, uint32_t *buffer, +- uint64_t ib, size_t ib_size_in_dwords, bool chain); +- int (*set_resources)(struct packet_manager *pm, uint32_t *buffer, +- struct scheduling_resources *res); +- int (*map_queues)(struct packet_manager *pm, uint32_t *buffer, +- struct queue *q, bool is_static); +- int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer, +- enum kfd_queue_type type, +- enum kfd_unmap_queues_filter mode, +- uint32_t filter_param, bool reset, +- unsigned int sdma_engine); +- int (*query_status)(struct packet_manager *pm, uint32_t *buffer, +- uint64_t fence_address, uint32_t fence_value); +- uint32_t (*release_mem)(uint64_t gpu_addr, uint32_t *buffer); +- +- uint32_t (*get_map_process_packet_size)(void); +- uint32_t (*get_runlist_packet_size)(void); +- uint32_t (*get_set_resources_packet_size)(void); +- uint32_t (*get_map_queues_packet_size)(void); +- uint32_t (*get_unmap_queues_packet_size)(void); +- uint32_t (*get_query_status_packet_size)(void); +- uint32_t (*get_release_mem_packet_size)(void); +- +-}; +- +-int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm, +- uint16_t fw_ver); ++int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); + void pm_uninit(struct packet_manager *pm); + int pm_send_set_resources(struct packet_manager *pm, + struct scheduling_resources *res); +@@ -1010,109 +687,47 @@ int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, + uint32_t fence_value); + + int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, +- enum kfd_unmap_queues_filter mode, ++ enum kfd_preempt_type_filter mode, + uint32_t filter_param, bool reset, + unsigned int sdma_engine); + + void pm_release_ib(struct packet_manager *pm); + +-/* Following PM funcs can be shared among CIK and VI */ +-unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size); +-int pm_runlist_vi(struct packet_manager *pm, uint32_t *buffer, +- uint64_t ib, size_t ib_size_in_dwords, bool chain); +-int pm_map_queues_vi(struct packet_manager *pm, uint32_t *buffer, +- struct queue *q, bool is_static); +-int pm_set_resources_vi(struct packet_manager *pm, uint32_t *buffer, +- struct scheduling_resources *res); +-int pm_unmap_queues_vi(struct packet_manager *pm, uint32_t *buffer, +- enum kfd_queue_type type, +- enum kfd_unmap_queues_filter filter, +- uint32_t filter_param, bool reset, +- unsigned int sdma_engine); +-int pm_query_status_vi(struct packet_manager *pm, uint32_t *buffer, +- uint64_t fence_address, uint32_t fence_value); +-uint32_t pm_release_mem_vi(uint64_t gpu_addr, uint32_t *buffer); +- +-uint32_t pm_get_map_process_packet_size_vi(void); +-uint32_t pm_get_runlist_packet_size_vi(void); +-uint32_t pm_get_set_resources_packet_size_vi(void); +-uint32_t pm_get_map_queues_packet_size_vi(void); +-uint32_t pm_get_unmap_queues_packet_size_vi(void); +-uint32_t pm_get_query_status_packet_size_vi(void); +-uint32_t pm_get_release_mem_packet_size_vi(void); +- +- +-void kfd_pm_func_init_vi(struct packet_manager *pm, uint16_t fw_ver); +-void kfd_pm_func_init_cik(struct packet_manager *pm, uint16_t fw_ver); +- +-void kfd_pm_func_init_v9(struct packet_manager *pm, uint16_t fw_ver); +- +- + uint64_t kfd_get_number_elems(struct kfd_dev *kfd); ++phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, ++ struct kfd_process *process); + + /* Events */ + extern const struct kfd_event_interrupt_class event_interrupt_class_cik; +-extern const struct kfd_event_interrupt_class event_interrupt_class_v9; +- + extern const struct kfd_device_global_init_class device_global_init_class_cik; + ++enum kfd_event_wait_result { ++ KFD_WAIT_COMPLETE, ++ KFD_WAIT_TIMEOUT, ++ KFD_WAIT_ERROR ++}; ++ + void kfd_event_init_process(struct kfd_process *p); + void kfd_event_free_process(struct kfd_process *p); + int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); + int kfd_wait_on_events(struct kfd_process *p, + uint32_t num_events, void __user *data, + bool all, uint32_t user_timeout_ms, +- uint32_t *wait_result); ++ enum kfd_event_wait_result *wait_result); + void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, + uint32_t valid_id_bits); +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) + void kfd_signal_iommu_event(struct kfd_dev *dev, + unsigned int pasid, unsigned long address, + bool is_write_requested, bool is_execute_requested); +-#endif + void kfd_signal_hw_exception_event(unsigned int pasid); + int kfd_set_event(struct kfd_process *p, uint32_t event_id); + int kfd_reset_event(struct kfd_process *p, uint32_t event_id); + int kfd_event_create(struct file *devkfd, struct kfd_process *p, + uint32_t event_type, bool auto_reset, uint32_t node_id, + uint32_t *event_id, uint32_t *event_trigger_data, +- uint64_t *event_page_offset, uint32_t *event_slot_index, +- void *kern_addr); ++ uint64_t *event_page_offset, uint32_t *event_slot_index); + int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); + +-void kfd_signal_vm_fault_event(struct kfd_dev *dev, unsigned int pasid, +- struct kfd_vm_fault_info *info); +- +-void kfd_flush_tlb(struct kfd_dev *dev, struct kfd_process *p); +- + int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p); + +-#define KFD_SCRATCH_KV_FW_VER 413 +- +-/* PeerDirect support */ +-void kfd_init_peer_direct(void); +-void kfd_close_peer_direct(void); +- +-/* IPC Support */ +-int kfd_ipc_init(void); +- +-/* Debugfs */ +-#if defined(CONFIG_DEBUG_FS) +- +-void kfd_debugfs_init(void); +-void kfd_debugfs_fini(void); +-int kfd_debugfs_mqds_by_process(struct seq_file *m, void *data); +-int pqm_debugfs_mqds(struct seq_file *m, void *data); +-int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data); +-int device_queue_manager_debugfs_hqds(struct seq_file *m, void *data); +-int kfd_debugfs_rls_by_device(struct seq_file *m, void *data); +-int pm_debugfs_runlist(struct seq_file *m, void *data); +- +-#else +- +-static inline void kfd_debugfs_init(void) {} +-static inline void kfd_debugfs_fini(void) {} +- +-#endif +- + #endif +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c +index 71438ac..c74cf22 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c +@@ -24,24 +24,24 @@ + #include <linux/log2.h> + #include <linux/sched.h> + #include <linux/sched/mm.h> +-#include <linux/sched/task.h> + #include <linux/slab.h> +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) + #include <linux/amd-iommu.h> +-#endif + #include <linux/notifier.h> + #include <linux/compat.h> +-#include <linux/mman.h> +-#include <asm/page.h> +-#include "kfd_ipc.h" + + struct mm_struct; + + #include "kfd_priv.h" +-#include "kfd_device_queue_manager.h" + #include "kfd_dbgmgr.h" + + /* ++ * Initial size for the array of queues. ++ * The allocated size is doubled each time ++ * it is exceeded up to MAX_PROCESS_QUEUES. ++ */ ++#define INITIAL_QUEUE_ARRAY_SIZE 16 ++ ++/* + * List of struct kfd_process (field kfd_process). + * Unique/indexed by mm_struct* + */ +@@ -53,16 +53,13 @@ DEFINE_STATIC_SRCU(kfd_processes_srcu); + + static struct workqueue_struct *kfd_process_wq; + +-#define MIN_IDR_ID 1 +-#define MAX_IDR_ID 0 /*0 - for unlimited*/ +- +-static struct kfd_process *find_process(const struct task_struct *thread, +- bool ref); +-static void kfd_process_ref_release(struct kref *ref); +-static struct kfd_process *create_process(const struct task_struct *thread, +- struct file *filep); +-static int kfd_process_init_cwsr(struct kfd_process *p, struct file *filep); ++struct kfd_process_release_work { ++ struct work_struct kfd_work; ++ struct kfd_process *p; ++}; + ++static struct kfd_process *find_process(const struct task_struct *thread); ++static struct kfd_process *create_process(const struct task_struct *thread); + + void kfd_process_create_wq(void) + { +@@ -78,135 +75,10 @@ void kfd_process_destroy_wq(void) + } + } + +-static void kfd_process_free_gpuvm(struct kgd_mem *mem, +- struct kfd_process_device *pdd) +-{ +- kfd_unmap_memory_from_gpu(mem, pdd); +- pdd->dev->kfd2kgd->free_memory_of_gpu(pdd->dev->kgd, mem, pdd->vm); +-} +- +-/* kfd_process_alloc_gpuvm - Allocate GPU VM for the KFD process +- * This function should be only called right after the process +- * is created and when kfd_processes_mutex is still being held +- * to avoid concurrency. Because of that exclusiveness, we do +- * not need to take p->mutex. +- */ +-static int kfd_process_alloc_gpuvm(struct kfd_process *p, +- struct kfd_dev *kdev, uint64_t gpu_va, uint32_t size, +- void **kptr, struct kfd_process_device *pdd, uint32_t flags) +-{ +- int err; +- void *mem = NULL; +- int handle; +- +- err = kdev->kfd2kgd->alloc_memory_of_gpu(kdev->kgd, gpu_va, size, +- pdd->vm, +- (struct kgd_mem **)&mem, NULL, flags); +- if (err) +- goto err_alloc_mem; +- +- err = kdev->kfd2kgd->map_memory_to_gpu( +- kdev->kgd, (struct kgd_mem *)mem, pdd->vm); +- if (err) +- goto err_map_mem; +- +- err = kdev->kfd2kgd->sync_memory(kdev->kgd, (struct kgd_mem *) mem, +- true); +- if (err) { +- pr_debug("Sync memory failed, wait interrupted by user signal\n"); +- goto sync_memory_failed; +- } +- +- /* Create an obj handle so kfd_process_device_remove_obj_handle +- * will take care of the bo removal when the process finishes. +- * We do not need to take p->mutex, because the process is just +- * created and the ioctls have not had the chance to run. +- */ +- handle = kfd_process_device_create_obj_handle( +- pdd, mem, gpu_va, size, NULL); +- +- if (handle < 0) { +- err = handle; +- goto free_gpuvm; +- } +- +- if (kptr) { +- err = kdev->kfd2kgd->map_gtt_bo_to_kernel(kdev->kgd, +- (struct kgd_mem *)mem, kptr); +- if (err) { +- pr_debug("Map GTT BO to kernel failed\n"); +- goto free_obj_handle; +- } +- } +- +- return err; +- +-free_obj_handle: +- kfd_process_device_remove_obj_handle(pdd, handle); +-free_gpuvm: +-sync_memory_failed: +- kfd_process_free_gpuvm(mem, pdd); +- return err; +- +-err_map_mem: +- kdev->kfd2kgd->free_memory_of_gpu(kdev->kgd, mem, pdd->vm); +-err_alloc_mem: +- *kptr = NULL; +- return err; +-} +- +-/* kfd_process_reserve_ib_mem - Reserve memory inside the process for IB usage +- * The memory reserved is for KFD to submit IB to AMDGPU from kernel. +- * If the memory is reserved successfully, ib_kaddr_assigned will have +- * the CPU/kernel address. Check ib_kaddr_assigned before accessing the +- * memory. +- */ +-static int kfd_process_reserve_ib_mem(struct kfd_process *p) +-{ +- int ret = 0; +- struct kfd_process_device *temp, *pdd = NULL; +- struct kfd_dev *kdev = NULL; +- struct qcm_process_device *qpd = NULL; +- void *kaddr; +- uint32_t flags = ALLOC_MEM_FLAGS_GTT | ALLOC_MEM_FLAGS_NONPAGED | +- ALLOC_MEM_FLAGS_NO_SUBSTITUTE | +- ALLOC_MEM_FLAGS_EXECUTE_ACCESS; +- +- list_for_each_entry_safe(pdd, temp, &p->per_device_data, +- per_device_list) { +- kdev = pdd->dev; +- qpd = &pdd->qpd; +- if (!kdev->ib_size || qpd->ib_kaddr) +- continue; +- +- if (qpd->ib_base) { /* is dGPU */ +- ret = kfd_process_alloc_gpuvm(p, kdev, +- qpd->ib_base, kdev->ib_size, +- &kaddr, pdd, flags); +- if (!ret) +- qpd->ib_kaddr = kaddr; +- else +- /* In case of error, the kfd_bos for some pdds +- * which are already allocated successfully +- * will be freed in upper level function +- * i.e. create_process(). +- */ +- return ret; +- } else { +- /* FIXME: Support APU */ +- continue; +- } +- } +- +- return 0; +-} +- +-struct kfd_process *kfd_create_process(struct file *filep) ++struct kfd_process *kfd_create_process(const struct task_struct *thread) + { + struct kfd_process *process; + +- struct task_struct *thread = current; +- + if (!thread->mm) + return ERR_PTR(-EINVAL); + +@@ -214,6 +86,9 @@ struct kfd_process *kfd_create_process(struct file *filep) + if (thread->group_leader->mm != thread->mm) + return ERR_PTR(-EINVAL); + ++ /* Take mmap_sem because we call __mmu_notifier_register inside */ ++ down_write(&thread->mm->mmap_sem); ++ + /* + * take kfd processes mutex before starting of process creation + * so there won't be a case where two threads of the same process +@@ -222,14 +97,17 @@ struct kfd_process *kfd_create_process(struct file *filep) + mutex_lock(&kfd_processes_mutex); + + /* A prior open of /dev/kfd could have already created the process. */ +- process = find_process(thread, false); ++ process = find_process(thread); + if (process) + pr_debug("Process already found\n"); +- else +- process = create_process(thread, filep); ++ ++ if (!process) ++ process = create_process(thread); + + mutex_unlock(&kfd_processes_mutex); + ++ up_write(&thread->mm->mmap_sem); ++ + return process; + } + +@@ -244,7 +122,7 @@ struct kfd_process *kfd_get_process(const struct task_struct *thread) + if (thread->group_leader->mm != thread->mm) + return ERR_PTR(-EINVAL); + +- process = find_process(thread, false); ++ process = find_process(thread); + + return process; + } +@@ -261,156 +139,79 @@ static struct kfd_process *find_process_by_mm(const struct mm_struct *mm) + return NULL; + } + +-static struct kfd_process *find_process(const struct task_struct *thread, +- bool ref) ++static struct kfd_process *find_process(const struct task_struct *thread) + { + struct kfd_process *p; + int idx; + + idx = srcu_read_lock(&kfd_processes_srcu); + p = find_process_by_mm(thread->mm); +- if (p && ref) +- kref_get(&p->ref); + srcu_read_unlock(&kfd_processes_srcu, idx); + + return p; + } + +-void kfd_unref_process(struct kfd_process *p) +-{ +- kref_put(&p->ref, kfd_process_ref_release); +-} +- +-/* This increments the process->ref counter. */ +-struct kfd_process *kfd_lookup_process_by_pid(struct pid *pid) ++static void kfd_process_wq_release(struct work_struct *work) + { +- struct task_struct *task = NULL; +- struct kfd_process *p = NULL; +- +- if (!pid) +- task = current; +- else +- task = get_pid_task(pid, PIDTYPE_PID); +- +- if (task) +- p = find_process(task, true); ++ struct kfd_process_release_work *my_work; ++ struct kfd_process_device *pdd, *temp; ++ struct kfd_process *p; + +- return p; +-} ++ my_work = (struct kfd_process_release_work *) work; + +-static void kfd_process_free_outstanding_kfd_bos(struct kfd_process *p) +-{ +- struct kfd_process_device *pdd, *peer_pdd; +- struct kfd_bo *buf_obj; +- int id; ++ p = my_work->p; + +- list_for_each_entry(pdd, &p->per_device_data, per_device_list) { +- /* +- * Remove all handles from idr and release appropriate +- * local memory object +- */ +- idr_for_each_entry(&pdd->alloc_idr, buf_obj, id) { +- list_for_each_entry(peer_pdd, &p->per_device_data, +- per_device_list) { +- peer_pdd->dev->kfd2kgd->unmap_memory_to_gpu( +- peer_pdd->dev->kgd, +- buf_obj->mem, peer_pdd->vm); +- } +- +- run_rdma_free_callback(buf_obj); +- pdd->dev->kfd2kgd->free_memory_of_gpu( +- pdd->dev->kgd, buf_obj->mem, pdd->vm); +- kfd_process_device_remove_obj_handle(pdd, id); +- } +- } +-} ++ pr_debug("Releasing process (pasid %d) in workqueue\n", ++ p->pasid); + +-static void kfd_process_destroy_pdds(struct kfd_process *p) +-{ +- struct kfd_process_device *pdd, *temp; ++ mutex_lock(&p->mutex); + + list_for_each_entry_safe(pdd, temp, &p->per_device_data, +- per_device_list) { +- /* Destroy the GPUVM VM context */ +- if (pdd->vm) +- pdd->dev->kfd2kgd->destroy_process_vm( +- pdd->dev->kgd, pdd->vm); +- +- list_del(&pdd->per_device_list); ++ per_device_list) { ++ pr_debug("Releasing pdd (topology id %d) for process (pasid %d) in workqueue\n", ++ pdd->dev->id, p->pasid); + +- if (pdd->qpd.cwsr_kaddr && !pdd->qpd.cwsr_base) +- free_pages((unsigned long)pdd->qpd.cwsr_kaddr, +- get_order(KFD_CWSR_TBA_TMA_SIZE)); ++ if (pdd->reset_wavefronts) ++ dbgdev_wave_reset_wavefronts(pdd->dev, p); + +- kfree(pdd->qpd.doorbell_bitmap); +- idr_destroy(&pdd->alloc_idr); ++ amd_iommu_unbind_pasid(pdd->dev->pdev, p->pasid); ++ list_del(&pdd->per_device_list); + + kfree(pdd); + } +-} +- +-/* No process locking is needed in this function, because the process +- * is not findable any more. We must assume that no other thread is +- * using it any more, otherwise we couldn't safely free the process +- * structure in the end. +- */ +-static void kfd_process_wq_release(struct work_struct *work) +-{ +- struct kfd_process *p = container_of(work, struct kfd_process, +- release_work); +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) +- struct kfd_process_device *pdd; +- +- pr_debug("Releasing process (pasid %d)\n", +- p->pasid); +- +- list_for_each_entry(pdd, &p->per_device_data, per_device_list) { +- pr_debug("Releasing pdd (topology id %d) for process (pasid %d)\n", +- pdd->dev->id, p->pasid); +- +- if (pdd->dev->device_info->is_need_iommu_device) { +- if (pdd->bound == PDD_BOUND) { +- amd_iommu_unbind_pasid(pdd->dev->pdev, +- p->pasid); +- pdd->bound = PDD_UNBOUND; +- } +- } +- } +-#endif +- +- kfd_process_free_outstanding_kfd_bos(p); +- +- kfd_process_destroy_pdds(p); +- dma_fence_put(p->ef); + + kfd_event_free_process(p); + + kfd_pasid_free(p->pasid); +- kfd_free_process_doorbells(p); ++ ++ mutex_unlock(&p->mutex); + + mutex_destroy(&p->mutex); + +- put_task_struct(p->lead_thread); ++ kfree(p->queues); + + kfree(p); ++ ++ kfree(work); + } + +-static void kfd_process_ref_release(struct kref *ref) ++static void kfd_process_destroy_delayed(struct rcu_head *rcu) + { +- struct kfd_process *p = container_of(ref, struct kfd_process, ref); ++ struct kfd_process_release_work *work; ++ struct kfd_process *p; + +- if (WARN_ON(!kfd_process_wq)) +- return; ++ p = container_of(rcu, struct kfd_process, rcu); ++ WARN_ON(atomic_read(&p->mm->mm_count) <= 0); + +- INIT_WORK(&p->release_work, kfd_process_wq_release); +- queue_work(kfd_process_wq, &p->release_work); +-} ++ mmdrop(p->mm); + +-static void kfd_process_destroy_delayed(struct rcu_head *rcu) +-{ +- struct kfd_process *p = container_of(rcu, struct kfd_process, rcu); ++ work = kmalloc(sizeof(struct kfd_process_release_work), GFP_ATOMIC); + +- kfd_unref_process(p); ++ if (work) { ++ INIT_WORK((struct work_struct *) work, kfd_process_wq_release); ++ work->p = p; ++ queue_work(kfd_process_wq, (struct work_struct *) work); ++ } + } + + static void kfd_process_notifier_release(struct mmu_notifier *mn, +@@ -432,37 +233,35 @@ static void kfd_process_notifier_release(struct mmu_notifier *mn, + mutex_unlock(&kfd_processes_mutex); + synchronize_srcu(&kfd_processes_srcu); + +- cancel_delayed_work_sync(&p->eviction_work); +- cancel_delayed_work_sync(&p->restore_work); +- + mutex_lock(&p->mutex); + +- /* Iterate over all process device data structures and if the +- * pdd is in debug mode, we should first force unregistration, +- * then we will be able to destroy the queues ++ /* In case our notifier is called before IOMMU notifier */ ++ pqm_uninit(&p->pqm); ++ ++ /* Iterate over all process device data structure and check ++ * if we should delete debug managers and reset all wavefronts + */ + list_for_each_entry(pdd, &p->per_device_data, per_device_list) { +- struct kfd_dev *dev = pdd->dev; +- +- mutex_lock(kfd_get_dbgmgr_mutex()); +- if (dev && dev->dbgmgr && dev->dbgmgr->pasid == p->pasid) { +- if (!kfd_dbgmgr_unregister(dev->dbgmgr, p)) { +- kfd_dbgmgr_destroy(dev->dbgmgr); +- dev->dbgmgr = NULL; +- } ++ if ((pdd->dev->dbgmgr) && ++ (pdd->dev->dbgmgr->pasid == p->pasid)) ++ kfd_dbgmgr_destroy(pdd->dev->dbgmgr); ++ ++ if (pdd->reset_wavefronts) { ++ pr_warn("Resetting all wave fronts\n"); ++ dbgdev_wave_reset_wavefronts(pdd->dev, p); ++ pdd->reset_wavefronts = false; + } +- mutex_unlock(kfd_get_dbgmgr_mutex()); + } + +- kfd_process_dequeue_from_all_devices(p); +- pqm_uninit(&p->pqm); +- +- /* Indicate to other users that MM is no longer valid */ +- p->mm = NULL; +- + mutex_unlock(&p->mutex); + +- mmu_notifier_unregister_no_release(&p->mmu_notifier, mm); ++ /* ++ * Because we drop mm_count inside kfd_process_destroy_delayed ++ * and because the mmu_notifier_unregister function also drop ++ * mm_count we need to take an extra count here. ++ */ ++ mmgrab(p->mm); ++ mmu_notifier_unregister_no_release(&p->mmu_notifier, p->mm); + mmu_notifier_call_srcu(&p->rcu, &kfd_process_destroy_delayed); + } + +@@ -470,67 +269,7 @@ static const struct mmu_notifier_ops kfd_process_mmu_notifier_ops = { + .release = kfd_process_notifier_release, + }; + +-static int kfd_process_init_cwsr(struct kfd_process *p, struct file *filep) +-{ +- int ret; +- unsigned long offset; +- struct kfd_process_device *temp, *pdd = NULL; +- struct kfd_dev *dev = NULL; +- struct qcm_process_device *qpd = NULL; +- void *kaddr; +- uint32_t flags = ALLOC_MEM_FLAGS_GTT | ALLOC_MEM_FLAGS_NONPAGED | +- ALLOC_MEM_FLAGS_NO_SUBSTITUTE | +- ALLOC_MEM_FLAGS_READONLY | +- ALLOC_MEM_FLAGS_EXECUTE_ACCESS; +- +- list_for_each_entry_safe(pdd, temp, &p->per_device_data, +- per_device_list) { +- dev = pdd->dev; +- qpd = &pdd->qpd; +- if (!dev->cwsr_enabled || qpd->cwsr_kaddr) +- continue; +- if (qpd->cwsr_base) { +- /* cwsr_base is only set for DGPU */ +- ret = kfd_process_alloc_gpuvm(p, dev, qpd->cwsr_base, +- KFD_CWSR_TBA_TMA_SIZE, &kaddr, pdd, flags); +- if (!ret) { +- qpd->cwsr_kaddr = kaddr; +- qpd->tba_addr = qpd->cwsr_base; +- } else +- /* In case of error, the kfd_bos for some pdds +- * which are already allocated successfully +- * will be freed in upper level function +- * i.e. create_process(). +- */ +- return ret; +- } else { +- offset = (dev->id | +- KFD_MMAP_TYPE_RESERVED_MEM) << PAGE_SHIFT; +- qpd->tba_addr = (uint64_t)vm_mmap(filep, 0, +- KFD_CWSR_TBA_TMA_SIZE, PROT_READ | PROT_EXEC, +- MAP_SHARED, offset); +- +- if (IS_ERR_VALUE(qpd->tba_addr)) { +- pr_err("Failure to set tba address. error -%d.\n", +- (int)qpd->tba_addr); +- qpd->tba_addr = 0; +- qpd->cwsr_kaddr = NULL; +- return -ENOMEM; +- } +- } +- +- memcpy(qpd->cwsr_kaddr, dev->cwsr_isa, dev->cwsr_isa_size); +- +- qpd->tma_addr = qpd->tba_addr + KFD_CWSR_TMA_OFFSET; +- pr_debug("set tba :0x%llx, tma:0x%llx, cwsr_kaddr:%p for pqm.\n", +- qpd->tba_addr, qpd->tma_addr, qpd->cwsr_kaddr); +- } +- +- return 0; +-} +- +-static struct kfd_process *create_process(const struct task_struct *thread, +- struct file *filep) ++static struct kfd_process *create_process(const struct task_struct *thread) + { + struct kfd_process *process; + int err = -ENOMEM; +@@ -540,24 +279,22 @@ static struct kfd_process *create_process(const struct task_struct *thread, + if (!process) + goto err_alloc_process; + +- process->bo_interval_tree = RB_ROOT_CACHED; ++ process->queues = kmalloc_array(INITIAL_QUEUE_ARRAY_SIZE, ++ sizeof(process->queues[0]), GFP_KERNEL); ++ if (!process->queues) ++ goto err_alloc_queues; + + process->pasid = kfd_pasid_alloc(); + if (process->pasid == 0) + goto err_alloc_pasid; + +- if (kfd_alloc_process_doorbells(process) < 0) +- goto err_alloc_doorbells; +- +- kref_init(&process->ref); +- + mutex_init(&process->mutex); + + process->mm = thread->mm; + + /* register notifier */ + process->mmu_notifier.ops = &kfd_process_mmu_notifier_ops; +- err = mmu_notifier_register(&process->mmu_notifier, process->mm); ++ err = __mmu_notifier_register(&process->mmu_notifier, process->mm); + if (err) + goto err_mmu_notifier; + +@@ -565,7 +302,8 @@ static struct kfd_process *create_process(const struct task_struct *thread, + (uintptr_t)process->mm); + + process->lead_thread = thread->group_leader; +- get_task_struct(process->lead_thread); ++ ++ process->queue_array_size = INITIAL_QUEUE_ARRAY_SIZE; + + INIT_LIST_HEAD(&process->per_device_data); + +@@ -581,28 +319,8 @@ static struct kfd_process *create_process(const struct task_struct *thread, + if (err != 0) + goto err_init_apertures; + +- INIT_DELAYED_WORK(&process->eviction_work, kfd_evict_bo_worker); +- INIT_DELAYED_WORK(&process->restore_work, kfd_restore_bo_worker); +- process->last_restore_timestamp = get_jiffies_64(); +- +- err = kfd_process_reserve_ib_mem(process); +- if (err) +- goto err_reserve_ib_mem; +- err = kfd_process_init_cwsr(process, filep); +- if (err) +- goto err_init_cwsr; +- +- /* If PeerDirect interface was not detected try to detect it again +- * in case if network driver was loaded later. +- */ +- kfd_init_peer_direct(); +- + return process; + +-err_init_cwsr: +-err_reserve_ib_mem: +- kfd_process_free_outstanding_kfd_bos(process); +- kfd_process_destroy_pdds(process); + err_init_apertures: + pqm_uninit(&process->pqm); + err_process_pqm_init: +@@ -611,40 +329,15 @@ static struct kfd_process *create_process(const struct task_struct *thread, + mmu_notifier_unregister_no_release(&process->mmu_notifier, process->mm); + err_mmu_notifier: + mutex_destroy(&process->mutex); +- kfd_free_process_doorbells(process); +-err_alloc_doorbells: + kfd_pasid_free(process->pasid); + err_alloc_pasid: ++ kfree(process->queues); ++err_alloc_queues: + kfree(process); + err_alloc_process: + return ERR_PTR(err); + } + +-static int init_doorbell_bitmap(struct qcm_process_device *qpd, +- struct kfd_dev *dev) +-{ +- unsigned int i; +- +- if (!KFD_IS_SOC15(dev->device_info->asic_family)) +- return 0; +- +- qpd->doorbell_bitmap = +- kzalloc(DIV_ROUND_UP(KFD_MAX_NUM_OF_QUEUES_PER_PROCESS, +- BITS_PER_BYTE), GFP_KERNEL); +- if (!qpd->doorbell_bitmap) +- return -ENOMEM; +- +- /* Mask out any reserved doorbells */ +- for (i = 0; i < KFD_MAX_NUM_OF_QUEUES_PER_PROCESS; i++) +- if ((dev->shared_resources.reserved_doorbell_mask & i) == +- dev->shared_resources.reserved_doorbell_val) { +- set_bit(i, qpd->doorbell_bitmap); +- pr_debug("reserved doorbell 0x%03x\n", i); +- } +- +- return 0; +-} +- + struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, + struct kfd_process *p) + { +@@ -652,9 +345,9 @@ struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, + + list_for_each_entry(pdd, &p->per_device_data, per_device_list) + if (pdd->dev == dev) +- return pdd; ++ break; + +- return NULL; ++ return pdd; + } + + struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, +@@ -663,41 +356,16 @@ struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, + struct kfd_process_device *pdd = NULL; + + pdd = kzalloc(sizeof(*pdd), GFP_KERNEL); +- if (!pdd) +- return NULL; +- +- pdd->dev = dev; +- INIT_LIST_HEAD(&pdd->qpd.queues_list); +- INIT_LIST_HEAD(&pdd->qpd.priv_queue_list); +- pdd->qpd.dqm = dev->dqm; +- pdd->qpd.pqm = &p->pqm; +- pdd->qpd.evicted = 0; +- pdd->process = p; +- pdd->bound = PDD_UNBOUND; +- pdd->already_dequeued = false; +- list_add(&pdd->per_device_list, &p->per_device_data); +- +- /* Init idr used for memory handle translation */ +- idr_init(&pdd->alloc_idr); +- if (init_doorbell_bitmap(&pdd->qpd, dev)) { +- pr_err("Failed to init doorbell for process\n"); +- goto err_create_pdd; ++ if (pdd != NULL) { ++ pdd->dev = dev; ++ INIT_LIST_HEAD(&pdd->qpd.queues_list); ++ INIT_LIST_HEAD(&pdd->qpd.priv_queue_list); ++ pdd->qpd.dqm = dev->dqm; ++ pdd->reset_wavefronts = false; ++ list_add(&pdd->per_device_list, &p->per_device_data); + } + +- /* Create the GPUVM context for this specific device */ +- if (dev->kfd2kgd->create_process_vm(dev->kgd, &pdd->vm, +- &p->process_info, &p->ef)) { +- pr_err("Failed to create process VM object\n"); +- goto err_create_pdd; +- } + return pdd; +- +-err_create_pdd: +- kfree(pdd->qpd.doorbell_bitmap); +- idr_destroy(&pdd->alloc_idr); +- list_del(&pdd->per_device_list); +- kfree(pdd); +- return NULL; + } + + /* +@@ -711,6 +379,7 @@ struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, + struct kfd_process *p) + { + struct kfd_process_device *pdd; ++ int err; + + pdd = kfd_get_process_device_data(dev, p); + if (!pdd) { +@@ -718,94 +387,19 @@ struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, + return ERR_PTR(-ENOMEM); + } + +- if (pdd->bound == PDD_BOUND) { ++ if (pdd->bound) + return pdd; +- } else if (unlikely(pdd->bound == PDD_BOUND_SUSPENDED)) { +- pr_err("Binding PDD_BOUND_SUSPENDED pdd is unexpected!\n"); +- return ERR_PTR(-EINVAL); +- } + +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) +- if (dev->device_info->is_need_iommu_device) { +- int err = amd_iommu_bind_pasid(dev->pdev, p->pasid, +- p->lead_thread); +- if (err < 0) +- return ERR_PTR(err); +- } +-#endif ++ err = amd_iommu_bind_pasid(dev->pdev, p->pasid, p->lead_thread); ++ if (err < 0) ++ return ERR_PTR(err); + +- pdd->bound = PDD_BOUND; ++ pdd->bound = true; + + return pdd; + } + +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) +-/* +- * Bind processes do the device that have been temporarily unbound +- * (PDD_BOUND_SUSPENDED) in kfd_unbind_processes_from_device. +- */ +-int kfd_bind_processes_to_device(struct kfd_dev *dev) +-{ +- struct kfd_process_device *pdd; +- struct kfd_process *p; +- unsigned int temp; +- int err = 0; +- +- int idx = srcu_read_lock(&kfd_processes_srcu); +- +- hash_for_each_rcu(kfd_processes_table, temp, p, kfd_processes) { +- mutex_lock(&p->mutex); +- pdd = kfd_get_process_device_data(dev, p); +- if (pdd->bound != PDD_BOUND_SUSPENDED) { +- mutex_unlock(&p->mutex); +- continue; +- } +- +- err = amd_iommu_bind_pasid(dev->pdev, p->pasid, +- p->lead_thread); +- if (err < 0) { +- pr_err("Unexpected pasid %d binding failure\n", +- p->pasid); +- mutex_unlock(&p->mutex); +- break; +- } +- +- pdd->bound = PDD_BOUND; +- mutex_unlock(&p->mutex); +- } +- +- srcu_read_unlock(&kfd_processes_srcu, idx); +- +- return err; +-} +- +-/* +- * Mark currently bound processes as PDD_BOUND_SUSPENDED. These +- * processes will be restored to PDD_BOUND state in +- * kfd_bind_processes_to_device. +- */ +-void kfd_unbind_processes_from_device(struct kfd_dev *dev) +-{ +- struct kfd_process_device *pdd; +- struct kfd_process *p; +- unsigned int temp; +- +- int idx = srcu_read_lock(&kfd_processes_srcu); +- +- +- hash_for_each_rcu(kfd_processes_table, temp, p, kfd_processes) { +- mutex_lock(&p->mutex); +- pdd = kfd_get_process_device_data(dev, p); +- +- if (pdd->bound == PDD_BOUND) +- pdd->bound = PDD_BOUND_SUSPENDED; +- mutex_unlock(&p->mutex); +- } +- +- srcu_read_unlock(&kfd_processes_srcu, idx); +-} +- +-void kfd_process_iommu_unbind_callback(struct kfd_dev *dev, unsigned int pasid) ++void kfd_unbind_process_from_device(struct kfd_dev *dev, unsigned int pasid) + { + struct kfd_process *p; + struct kfd_process_device *pdd; +@@ -821,31 +415,34 @@ void kfd_process_iommu_unbind_callback(struct kfd_dev *dev, unsigned int pasid) + + pr_debug("Unbinding process %d from IOMMU\n", pasid); + +- mutex_lock(kfd_get_dbgmgr_mutex()); ++ if ((dev->dbgmgr) && (dev->dbgmgr->pasid == p->pasid)) ++ kfd_dbgmgr_destroy(dev->dbgmgr); + +- if (dev->dbgmgr && dev->dbgmgr->pasid == p->pasid) { +- if (!kfd_dbgmgr_unregister(dev->dbgmgr, p)) { +- kfd_dbgmgr_destroy(dev->dbgmgr); +- dev->dbgmgr = NULL; +- } +- } ++ pqm_uninit(&p->pqm); + +- mutex_unlock(kfd_get_dbgmgr_mutex()); ++ pdd = kfd_get_process_device_data(dev, p); + +- mutex_lock(&p->mutex); ++ if (!pdd) { ++ mutex_unlock(&p->mutex); ++ return; ++ } + +- pdd = kfd_get_process_device_data(dev, p); +- if (pdd) +- /* For GPU relying on IOMMU, we need to dequeue here +- * when PASID is still bound. +- */ +- kfd_process_dequeue_from_device(pdd); ++ if (pdd->reset_wavefronts) { ++ dbgdev_wave_reset_wavefronts(pdd->dev, p); ++ pdd->reset_wavefronts = false; ++ } + +- mutex_unlock(&p->mutex); ++ /* ++ * Just mark pdd as unbound, because we still need it ++ * to call amd_iommu_unbind_pasid() in when the ++ * process exits. ++ * We don't call amd_iommu_unbind_pasid() here ++ * because the IOMMU called us. ++ */ ++ pdd->bound = false; + +- kfd_unref_process(p); ++ mutex_unlock(&p->mutex); + } +-#endif /* CONFIG_AMD_IOMMU_V2 */ + + struct kfd_process_device *kfd_get_first_process_device_data( + struct kfd_process *p) +@@ -869,277 +466,22 @@ bool kfd_has_process_device_data(struct kfd_process *p) + return !(list_empty(&p->per_device_data)); + } + +-/* Create specific handle mapped to mem from process local memory idr +- * Assumes that the process lock is held. +- */ +-int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd, +- void *mem, uint64_t start, +- uint64_t length, +- struct kfd_ipc_obj *ipc_obj) +-{ +- int handle; +- struct kfd_bo *buf_obj; +- struct kfd_process *p; +- +- p = pdd->process; +- +- buf_obj = kzalloc(sizeof(*buf_obj), GFP_KERNEL); +- +- if (!buf_obj) +- return -ENOMEM; +- +- buf_obj->it.start = start; +- buf_obj->it.last = start + length - 1; +- interval_tree_insert(&buf_obj->it, &p->bo_interval_tree); +- +- buf_obj->mem = mem; +- buf_obj->dev = pdd->dev; +- buf_obj->kfd_ipc_obj = ipc_obj; +- +- INIT_LIST_HEAD(&buf_obj->cb_data_head); +- +- idr_preload(GFP_KERNEL); +- +- handle = idr_alloc(&pdd->alloc_idr, buf_obj, MIN_IDR_ID, MAX_IDR_ID, +- GFP_NOWAIT); +- +- idr_preload_end(); +- +- if (handle < 0) +- kfree(buf_obj); +- +- return handle; +-} +- +-struct kfd_bo *kfd_process_device_find_bo(struct kfd_process_device *pdd, +- int handle) +-{ +- if (handle < 0) +- return NULL; +- +- return (struct kfd_bo *)idr_find(&pdd->alloc_idr, handle); +-} +- +-/* Translate specific handle from process local memory idr +- * Assumes that the process lock is held. +- */ +-void *kfd_process_device_translate_handle(struct kfd_process_device *pdd, +- int handle) +-{ +- struct kfd_bo *buf_obj; +- +- buf_obj = kfd_process_device_find_bo(pdd, handle); +- +- return buf_obj->mem; +-} +- +-void *kfd_process_find_bo_from_interval(struct kfd_process *p, +- uint64_t start_addr, +- uint64_t last_addr) +-{ +- struct interval_tree_node *it_node; +- struct kfd_bo *buf_obj; +- +- it_node = interval_tree_iter_first(&p->bo_interval_tree, +- start_addr, last_addr); +- if (!it_node) { +- pr_err("0x%llx-0x%llx does not relate to an existing buffer\n", +- start_addr, last_addr); +- return NULL; +- } +- +- if (interval_tree_iter_next(it_node, start_addr, last_addr)) { +- pr_err("0x%llx-0x%llx spans more than a single BO\n", +- start_addr, last_addr); +- return NULL; +- } +- +- buf_obj = container_of(it_node, struct kfd_bo, it); +- +- return buf_obj; +-} +- +-/* Remove specific handle from process local memory idr +- * Assumes that the process lock is held. +- */ +-void kfd_process_device_remove_obj_handle(struct kfd_process_device *pdd, +- int handle) +-{ +- struct kfd_bo *buf_obj; +- struct kfd_process *p; +- +- p = pdd->process; +- +- if (handle < 0) +- return; +- +- buf_obj = kfd_process_device_find_bo(pdd, handle); +- +- if (buf_obj->kfd_ipc_obj) +- ipc_obj_put(&buf_obj->kfd_ipc_obj); +- +- idr_remove(&pdd->alloc_idr, handle); +- +- interval_tree_remove(&buf_obj->it, &p->bo_interval_tree); +- +- kfree(buf_obj); +-} +- +-/* This increments the process->ref counter. */ ++/* This returns with process->mutex locked. */ + struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid) + { +- struct kfd_process *p, *ret_p = NULL; ++ struct kfd_process *p; + unsigned int temp; + + int idx = srcu_read_lock(&kfd_processes_srcu); + + hash_for_each_rcu(kfd_processes_table, temp, p, kfd_processes) { + if (p->pasid == pasid) { +- kref_get(&p->ref); +- ret_p = p; ++ mutex_lock(&p->mutex); + break; + } + } + + srcu_read_unlock(&kfd_processes_srcu, idx); + +- return ret_p; +-} +- +-void kfd_suspend_all_processes(void) +-{ +- struct kfd_process *p; +- unsigned int temp; +- int idx = srcu_read_lock(&kfd_processes_srcu); +- +- hash_for_each_rcu(kfd_processes_table, temp, p, kfd_processes) { +- cancel_delayed_work_sync(&p->eviction_work); +- cancel_delayed_work_sync(&p->restore_work); +- +- if (quiesce_process_mm(p)) +- pr_err("Failed to suspend process %d\n", p->pasid); +- dma_fence_signal(p->ef); +- dma_fence_put(p->ef); +- p->ef = NULL; +- } +- srcu_read_unlock(&kfd_processes_srcu, idx); +-} +- +-int kfd_resume_all_processes(void) +-{ +- struct kfd_process *p; +- unsigned int temp; +- int ret = 0, idx = srcu_read_lock(&kfd_processes_srcu); +- +- hash_for_each_rcu(kfd_processes_table, temp, p, kfd_processes) { +- if (!schedule_delayed_work(&p->restore_work, 0)) { +- pr_err("Restore process %d failed during resume\n", +- p->pasid); +- ret = -EFAULT; +- } +- } +- srcu_read_unlock(&kfd_processes_srcu, idx); +- return ret; +-} +- +-/* This increments the process->ref counter. */ +-struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm) +-{ +- struct kfd_process *p; +- +- int idx = srcu_read_lock(&kfd_processes_srcu); +- +- p = find_process_by_mm(mm); +- if (p) +- kref_get(&p->ref); +- +- srcu_read_unlock(&kfd_processes_srcu, idx); +- + return p; + } +- +-int kfd_reserved_mem_mmap(struct kfd_process *process, +- struct vm_area_struct *vma) +-{ +- struct kfd_dev *dev = kfd_device_by_id(vma->vm_pgoff); +- struct kfd_process_device *pdd; +- struct qcm_process_device *qpd; +- +- if (!dev) +- return -EINVAL; +- if ((vma->vm_end - vma->vm_start) != KFD_CWSR_TBA_TMA_SIZE) { +- pr_err("Incorrect CWSR mapping size.\n"); +- return -EINVAL; +- } +- +- pdd = kfd_get_process_device_data(dev, process); +- if (!pdd) +- return -EINVAL; +- qpd = &pdd->qpd; +- +- qpd->cwsr_kaddr = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, +- get_order(KFD_CWSR_TBA_TMA_SIZE)); +- if (!qpd->cwsr_kaddr) { +- pr_err("Error allocating per process CWSR buffer.\n"); +- return -ENOMEM; +- } +- +- vma->vm_flags |= VM_IO | VM_DONTCOPY | VM_DONTEXPAND +- | VM_NORESERVE | VM_DONTDUMP | VM_PFNMAP; +- /* Mapping pages to user process */ +- return remap_pfn_range(vma, vma->vm_start, +- PFN_DOWN(__pa(qpd->cwsr_kaddr)), +- KFD_CWSR_TBA_TMA_SIZE, vma->vm_page_prot); +-} +- +-#if defined(CONFIG_DEBUG_FS) +- +-int kfd_debugfs_mqds_by_process(struct seq_file *m, void *data) +-{ +- struct kfd_process *p; +- unsigned int temp; +- int r = 0; +- +- int idx = srcu_read_lock(&kfd_processes_srcu); +- +- hash_for_each_rcu(kfd_processes_table, temp, p, kfd_processes) { +- seq_printf(m, "Process %d PASID %d:\n", +- p->lead_thread->tgid, p->pasid); +- +- mutex_lock(&p->mutex); +- r = pqm_debugfs_mqds(m, &p->pqm); +- mutex_unlock(&p->mutex); +- +- if (r != 0) +- break; +- } +- +- srcu_read_unlock(&kfd_processes_srcu, idx); +- +- return r; +-} +- +-#endif +- +-void kfd_flush_tlb(struct kfd_dev *dev, struct kfd_process *p) +-{ +- const struct kfd2kgd_calls *f2g = dev->kfd2kgd; +- +- if (dev->dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS) { +- struct kfd_process_device *pdd = +- kfd_get_process_device_data(dev, p); +- if (!pdd) { +- pr_err("could not find pdd for pasid %d\n", p->pasid); +- return; +- } +- +- /* vmid allocation is delayed to the creation of the first +- * queue of the process. For buffers allocated and mapped +- * before queue creation, vmid is still no allocated (valued 0). +- * Ignore tlb invalidation request for this case. +- */ +- if (pdd->qpd.vmid) +- f2g->invalidate_tlbs_vmid(dev->kgd, pdd->qpd.vmid); +- } else +- f2g->invalidate_tlbs(dev->kgd, p->pasid); +-} +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +index a7ec177..5f82905 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +@@ -63,25 +63,6 @@ static int find_available_queue_slot(struct process_queue_manager *pqm, + return 0; + } + +-void kfd_process_dequeue_from_device(struct kfd_process_device *pdd) +-{ +- struct kfd_dev *dev = pdd->dev; +- +- if (pdd->already_dequeued) +- return; +- +- dev->dqm->ops.process_termination(dev->dqm, &pdd->qpd); +- pdd->already_dequeued = true; +-} +- +-void kfd_process_dequeue_from_all_devices(struct kfd_process *p) +-{ +- struct kfd_process_device *pdd; +- +- list_for_each_entry(pdd, &p->per_device_data, per_device_list) +- kfd_process_dequeue_from_device(pdd); +-} +- + int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p) + { + INIT_LIST_HEAD(&pqm->queues); +@@ -97,14 +78,21 @@ int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p) + + void pqm_uninit(struct process_queue_manager *pqm) + { ++ int retval; + struct process_queue_node *pqn, *next; + + list_for_each_entry_safe(pqn, next, &pqm->queues, process_queue_list) { +- uninit_queue(pqn->q); +- list_del(&pqn->process_queue_list); +- kfree(pqn); ++ retval = pqm_destroy_queue( ++ pqm, ++ (pqn->q != NULL) ? ++ pqn->q->properties.queue_id : ++ pqn->kq->queue->properties.queue_id); ++ ++ if (retval != 0) { ++ pr_err("failed to destroy queue\n"); ++ return; ++ } + } +- + kfree(pqm->queue_slot_bitmap); + pqm->queue_slot_bitmap = NULL; + } +@@ -119,6 +107,9 @@ static int create_cp_queue(struct process_queue_manager *pqm, + /* Doorbell initialized in user space*/ + q_properties->doorbell_ptr = NULL; + ++ q_properties->doorbell_off = ++ kfd_queue_id_to_doorbell(dev, pqm->process, qid); ++ + /* let DQM handle it*/ + q_properties->vmid = 0; + q_properties->queue_id = qid; +@@ -139,16 +130,20 @@ int pqm_create_queue(struct process_queue_manager *pqm, + struct kfd_dev *dev, + struct file *f, + struct queue_properties *properties, ++ unsigned int flags, ++ enum kfd_queue_type type, + unsigned int *qid) + { + int retval; + struct kfd_process_device *pdd; ++ struct queue_properties q_properties; + struct queue *q; + struct process_queue_node *pqn; + struct kernel_queue *kq; +- enum kfd_queue_type type = properties->type; +- unsigned int max_queues = 127; /* HWS limit */ ++ int num_queues = 0; ++ struct queue *cur; + ++ memcpy(&q_properties, properties, sizeof(struct queue_properties)); + q = NULL; + kq = NULL; + +@@ -164,19 +159,22 @@ int pqm_create_queue(struct process_queue_manager *pqm, + * If we are just about to create DIQ, the is_debug flag is not set yet + * Hence we also check the type as well + */ +- if ((pdd->qpd.is_debug) || (type == KFD_QUEUE_TYPE_DIQ)) +- max_queues = dev->device_info->max_no_of_hqd/2; +- +- if (pdd->qpd.queue_count >= max_queues) +- return -ENOSPC; ++ if ((pdd->qpd.is_debug) || ++ (type == KFD_QUEUE_TYPE_DIQ)) { ++ list_for_each_entry(cur, &pdd->qpd.queues_list, list) ++ num_queues++; ++ if (num_queues >= dev->device_info->max_no_of_hqd/2) ++ return -ENOSPC; ++ } + + retval = find_available_queue_slot(pqm, qid); + if (retval != 0) + return retval; + +- if (list_empty(&pdd->qpd.queues_list) && +- list_empty(&pdd->qpd.priv_queue_list)) ++ if (list_empty(&pqm->queues)) { ++ pdd->qpd.pqm = pqm; + dev->dqm->ops.register_process(dev->dqm, &pdd->qpd); ++ } + + pqn = kzalloc(sizeof(*pqn), GFP_KERNEL); + if (!pqn) { +@@ -186,40 +184,23 @@ int pqm_create_queue(struct process_queue_manager *pqm, + + switch (type) { + case KFD_QUEUE_TYPE_SDMA: +- if (dev->dqm->sdma_queue_count +- >= get_num_sdma_queues(dev->dqm)) { +- pr_debug("Over-subscription is not allowed for SDMA\n"); +- retval = -EPERM; +- goto err_create_queue; +- } +- +- retval = create_cp_queue(pqm, dev, &q, properties, f, *qid); +- if (retval != 0) +- goto err_create_queue; +- pqn->q = q; +- pqn->kq = NULL; +- retval = dev->dqm->ops.create_queue(dev->dqm, q, &pdd->qpd); +- pr_debug("DQM returned %d for create_queue\n", retval); +- print_queue(q); +- break; +- + case KFD_QUEUE_TYPE_COMPUTE: + /* check if there is over subscription */ +- if ((dev->dqm->sched_policy == +- KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION) && +- ((dev->dqm->processes_count >= dev->vm_info.vmid_num_kfd) || ++ if ((sched_policy == KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION) && ++ ((dev->dqm->processes_count >= VMID_PER_DEVICE) || + (dev->dqm->queue_count >= get_queues_num(dev->dqm)))) { +- pr_debug("Over-subscription is not allowed in radeon_kfd.sched_policy == 1\n"); ++ pr_err("Over-subscription is not allowed in radeon_kfd.sched_policy == 1\n"); + retval = -EPERM; + goto err_create_queue; + } + +- retval = create_cp_queue(pqm, dev, &q, properties, f, *qid); ++ retval = create_cp_queue(pqm, dev, &q, &q_properties, f, *qid); + if (retval != 0) + goto err_create_queue; + pqn->q = q; + pqn->kq = NULL; +- retval = dev->dqm->ops.create_queue(dev->dqm, q, &pdd->qpd); ++ retval = dev->dqm->ops.create_queue(dev->dqm, q, &pdd->qpd, ++ &q->properties.vmid); + pr_debug("DQM returned %d for create_queue\n", retval); + print_queue(q); + break; +@@ -245,22 +226,14 @@ int pqm_create_queue(struct process_queue_manager *pqm, + goto err_create_queue; + } + +- if (q) +- /* Return the doorbell offset within the doorbell page +- * to the caller so it can be passed up to user mode +- * (in bytes). +- */ +- properties->doorbell_off = +- (q->properties.doorbell_off * sizeof(uint32_t)) & +- (kfd_doorbell_process_slice(dev) - 1); +- + pr_debug("PQM After DQM create queue\n"); + + list_add(&pqn->process_queue_list, &pqm->queues); + + if (q) { ++ *properties = q->properties; + pr_debug("PQM done creating queue\n"); +- print_queue_properties(&q->properties); ++ print_queue_properties(properties); + } + + return retval; +@@ -270,8 +243,7 @@ int pqm_create_queue(struct process_queue_manager *pqm, + err_allocate_pqn: + /* check if queues list is empty unregister process from device */ + clear_bit(*qid, pqm->queue_slot_bitmap); +- if (list_empty(&pdd->qpd.queues_list) && +- list_empty(&pdd->qpd.priv_queue_list)) ++ if (list_empty(&pqm->queues)) + dev->dqm->ops.unregister_process(dev->dqm, &pdd->qpd); + return retval; + } +@@ -317,13 +289,10 @@ int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid) + + if (pqn->q) { + dqm = pqn->q->device->dqm; +- kfree(pqn->q->properties.cu_mask); +- pqn->q->properties.cu_mask = NULL; + retval = dqm->ops.destroy_queue(dqm, &pdd->qpd, pqn->q); +- if (retval) { +- pr_debug("Destroy queue failed, returned %d\n", retval); +- goto err_destroy_queue; +- } ++ if (retval != 0) ++ return retval; ++ + uninit_queue(pqn->q); + } + +@@ -331,11 +300,9 @@ int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid) + kfree(pqn); + clear_bit(qid, pqm->queue_slot_bitmap); + +- if (list_empty(&pdd->qpd.queues_list) && +- list_empty(&pdd->qpd.priv_queue_list)) ++ if (list_empty(&pqm->queues)) + dqm->ops.unregister_process(dqm, &pdd->qpd); + +-err_destroy_queue: + return retval; + } + +@@ -364,34 +331,6 @@ int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, + return 0; + } + +-int pqm_set_cu_mask(struct process_queue_manager *pqm, unsigned int qid, +- struct queue_properties *p) +-{ +- int retval; +- struct process_queue_node *pqn; +- +- pqn = get_queue_by_qid(pqm, qid); +- if (!pqn) { +- pr_debug("No queue %d exists for update operation\n", qid); +- return -EFAULT; +- } +- +- /* Free the old CU mask memory if it is already allocated, then +- * allocate memory for the new CU mask. +- */ +- kfree(pqn->q->properties.cu_mask); +- +- pqn->q->properties.cu_mask_count = p->cu_mask_count; +- pqn->q->properties.cu_mask = p->cu_mask; +- +- retval = pqn->q->device->dqm->ops.update_queue(pqn->q->device->dqm, +- pqn->q); +- if (retval != 0) +- return retval; +- +- return 0; +-} +- + struct kernel_queue *pqm_get_kernel_queue( + struct process_queue_manager *pqm, + unsigned int qid) +@@ -405,89 +344,4 @@ struct kernel_queue *pqm_get_kernel_queue( + return NULL; + } + +-int pqm_get_wave_state(struct process_queue_manager *pqm, +- unsigned int qid, +- void __user *ctl_stack, +- u32 *ctl_stack_used_size, +- u32 *save_area_used_size) +-{ +- struct process_queue_node *pqn; +- +- pqn = get_queue_by_qid(pqm, qid); +- if (!pqn) { +- pr_debug("amdkfd: No queue %d exists for operation\n", +- qid); +- return -EFAULT; +- } +- +- return pqn->q->device->dqm->ops.get_wave_state(pqn->q->device->dqm, +- pqn->q, +- ctl_stack, +- ctl_stack_used_size, +- save_area_used_size); +-} +- +-#if defined(CONFIG_DEBUG_FS) +- +-int pqm_debugfs_mqds(struct seq_file *m, void *data) +-{ +- struct process_queue_manager *pqm = data; +- struct process_queue_node *pqn; +- struct queue *q; +- enum KFD_MQD_TYPE mqd_type; +- struct mqd_manager *mqd_manager; +- int r = 0; +- +- list_for_each_entry(pqn, &pqm->queues, process_queue_list) { +- if (pqn->q) { +- q = pqn->q; +- switch (q->properties.type) { +- case KFD_QUEUE_TYPE_SDMA: +- seq_printf(m, " SDMA queue on device %x\n", +- q->device->id); +- mqd_type = KFD_MQD_TYPE_SDMA; +- break; +- case KFD_QUEUE_TYPE_COMPUTE: +- seq_printf(m, " Compute queue on device %x\n", +- q->device->id); +- mqd_type = KFD_MQD_TYPE_CP; +- break; +- default: +- seq_printf(m, +- " Bad user queue type %d on device %x\n", +- q->properties.type, q->device->id); +- continue; +- } +- mqd_manager = q->device->dqm->ops.get_mqd_manager( +- q->device->dqm, mqd_type); +- } else if (pqn->kq) { +- q = pqn->kq->queue; +- mqd_manager = pqn->kq->mqd; +- switch (q->properties.type) { +- case KFD_QUEUE_TYPE_DIQ: +- seq_printf(m, " DIQ on device %x\n", +- pqn->kq->dev->id); +- mqd_type = KFD_MQD_TYPE_HIQ; +- break; +- default: +- seq_printf(m, +- " Bad kernel queue type %d on device %x\n", +- q->properties.type, +- pqn->kq->dev->id); +- continue; +- } +- } else { +- seq_printf(m, +- " Weird: Queue node with neither kernel nor user queue\n"); +- continue; +- } +- +- r = mqd_manager->debugfs_show_mqd(m, q->mqd); +- if (r != 0) +- break; +- } +- +- return r; +-} + +-#endif +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_rdma.c b/drivers/gpu/drm/amd/amdkfd/kfd_rdma.c +deleted file mode 100644 +index 2f5cdb9..0000000 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_rdma.c ++++ /dev/null +@@ -1,294 +0,0 @@ +-/* +- * Copyright 2015 Advanced Micro Devices, Inc. +- * +- * Permission is hereby granted, free of charge, to any person obtaining a +- * copy of this software and associated documentation files (the "Software"), +- * to deal in the Software without restriction, including without limitation +- * the rights to use, copy, modify, merge, publish, distribute, sublicense, +- * and/or sell copies of the Software, and to permit persons to whom the +- * Software is furnished to do so, subject to the following conditions: +- * +- * The above copyright notice and this permission notice shall be included in +- * all copies or substantial portions of the Software. +- * +- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR +- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +- * OTHER DEALINGS IN THE SOFTWARE. +- */ +- +-#include <linux/device.h> +-#include <linux/export.h> +-#include <linux/pid.h> +-#include <linux/err.h> +-#include <linux/slab.h> +-#include "kfd_priv.h" +- +- +-struct rdma_cb { +- struct list_head node; +- struct amd_p2p_info amd_p2p_data; +- void (*free_callback)(void *client_priv); +- void *client_priv; +-}; +- +-/** +- * This function makes the pages underlying a range of GPU virtual memory +- * accessible for DMA operations from another PCIe device +- * +- * \param address - The start address in the Unified Virtual Address +- * space in the specified process +- * \param length - The length of requested mapping +- * \param pid - Pointer to structure pid to which address belongs. +- * Could be NULL for current process address space. +- * \param p2p_data - On return: Pointer to structure describing +- * underlying pages/locations +- * \param free_callback - Pointer to callback which will be called when access +- * to such memory must be stopped immediately: Memory +- * was freed, GECC events, etc. +- * Client should immediately stop any transfer +- * operations and returned as soon as possible. +- * After return all resources associated with address +- * will be release and no access will be allowed. +- * \param client_priv - Pointer to be passed as parameter on +- * 'free_callback; +- * +- * \return 0 if operation was successful +- */ +-static int get_pages(uint64_t address, uint64_t length, struct pid *pid, +- struct amd_p2p_info **amd_p2p_data, +- void (*free_callback)(void *client_priv), +- void *client_priv) +-{ +- struct kfd_bo *buf_obj; +- struct kgd_mem *mem; +- struct sg_table *sg_table_tmp; +- struct kfd_dev *dev; +- uint64_t last = address + length - 1; +- uint64_t offset; +- struct kfd_process *p; +- struct rdma_cb *rdma_cb_data; +- int ret = 0; +- +- p = kfd_lookup_process_by_pid(pid); +- if (!p) { +- pr_err("Could not find the process\n"); +- return -EINVAL; +- } +- mutex_lock(&p->mutex); +- +- buf_obj = kfd_process_find_bo_from_interval(p, address, last); +- if (!buf_obj) { +- pr_err("Cannot find a kfd_bo for the range\n"); +- ret = -EINVAL; +- goto out; +- } +- +- rdma_cb_data = kmalloc(sizeof(*rdma_cb_data), GFP_KERNEL); +- if (!rdma_cb_data) { +- *amd_p2p_data = NULL; +- ret = -ENOMEM; +- goto out; +- } +- +- mem = buf_obj->mem; +- dev = buf_obj->dev; +- offset = address - buf_obj->it.start; +- +- ret = dev->kfd2kgd->pin_get_sg_table_bo(dev->kgd, mem, +- offset, length, &sg_table_tmp); +- +- if (ret) { +- pr_err("pin_get_sg_table_bo failed.\n"); +- *amd_p2p_data = NULL; +- goto free_mem; +- } +- +- rdma_cb_data->amd_p2p_data.va = address; +- rdma_cb_data->amd_p2p_data.size = length; +- rdma_cb_data->amd_p2p_data.pid = pid; +- rdma_cb_data->amd_p2p_data.priv = buf_obj; +- rdma_cb_data->amd_p2p_data.pages = sg_table_tmp; +- +- rdma_cb_data->free_callback = free_callback; +- rdma_cb_data->client_priv = client_priv; +- +- list_add(&rdma_cb_data->node, &buf_obj->cb_data_head); +- +- *amd_p2p_data = &rdma_cb_data->amd_p2p_data; +- +- goto out; +- +-free_mem: +- kfree(rdma_cb_data); +-out: +- mutex_unlock(&p->mutex); +- kfd_unref_process(p); +- +- return ret; +-} +- +-static int put_pages_helper(struct amd_p2p_info *p2p_data) +-{ +- struct kfd_bo *buf_obj; +- struct kfd_dev *dev; +- struct sg_table *sg_table_tmp; +- struct rdma_cb *rdma_cb_data; +- +- if (!p2p_data) { +- pr_err("amd_p2p_info pointer is invalid.\n"); +- return -EINVAL; +- } +- +- rdma_cb_data = container_of(p2p_data, struct rdma_cb, amd_p2p_data); +- +- buf_obj = p2p_data->priv; +- dev = buf_obj->dev; +- sg_table_tmp = p2p_data->pages; +- +- list_del(&rdma_cb_data->node); +- kfree(rdma_cb_data); +- +- dev->kfd2kgd->unpin_put_sg_table_bo(buf_obj->mem, sg_table_tmp); +- +- +- return 0; +-} +- +-void run_rdma_free_callback(struct kfd_bo *buf_obj) +-{ +- struct rdma_cb *tmp, *rdma_cb_data; +- +- list_for_each_entry_safe(rdma_cb_data, tmp, +- &buf_obj->cb_data_head, node) { +- if (rdma_cb_data->free_callback) +- rdma_cb_data->free_callback( +- rdma_cb_data->client_priv); +- +- put_pages_helper(&rdma_cb_data->amd_p2p_data); +- } +-} +- +-/** +- * +- * This function release resources previously allocated by get_pages() call. +- * +- * \param p_p2p_data - A pointer to pointer to amd_p2p_info entries +- * allocated by get_pages() call. +- * +- * \return 0 if operation was successful +- */ +-static int put_pages(struct amd_p2p_info **p_p2p_data) +-{ +- struct kfd_process *p = NULL; +- int ret = 0; +- +- if (!(*p_p2p_data)) { +- pr_err("amd_p2p_info pointer is invalid.\n"); +- return -EINVAL; +- } +- +- p = kfd_lookup_process_by_pid((*p_p2p_data)->pid); +- if (!p) { +- pr_err("Could not find the process\n"); +- return -EINVAL; +- } +- +- ret = put_pages_helper(*p_p2p_data); +- +- if (!ret) +- *p_p2p_data = NULL; +- +- kfd_unref_process(p); +- +- return ret; +-} +- +-/** +- * Check if given address belongs to GPU address space. +- * +- * \param address - Address to check +- * \param pid - Process to which given address belongs. +- * Could be NULL if current one. +- * +- * \return 0 - This is not GPU address managed by AMD driver +- * 1 - This is GPU address managed by AMD driver +- */ +-static int is_gpu_address(uint64_t address, struct pid *pid) +-{ +- struct kfd_bo *buf_obj; +- struct kfd_process *p; +- +- p = kfd_lookup_process_by_pid(pid); +- if (!p) { +- pr_debug("Could not find the process\n"); +- return 0; +- } +- +- buf_obj = kfd_process_find_bo_from_interval(p, address, address); +- +- kfd_unref_process(p); +- if (!buf_obj) +- return 0; +- +- return 1; +-} +- +-/** +- * Return the single page size to be used when building scatter/gather table +- * for given range. +- * +- * \param address - Address +- * \param length - Range length +- * \param pid - Process id structure. Could be NULL if current one. +- * \param page_size - On return: Page size +- * +- * \return 0 if operation was successful +- */ +-static int get_page_size(uint64_t address, uint64_t length, struct pid *pid, +- unsigned long *page_size) +-{ +- /* +- * As local memory is always consecutive, we can assume the local +- * memory page size to be arbitrary. +- * Currently we assume the local memory page size to be the same +- * as system memory, which is 4KB. +- */ +- *page_size = PAGE_SIZE; +- +- return 0; +-} +- +- +-/** +- * Singleton object: rdma interface function pointers +- */ +-static const struct amd_rdma_interface rdma_ops = { +- .get_pages = get_pages, +- .put_pages = put_pages, +- .is_gpu_address = is_gpu_address, +- .get_page_size = get_page_size, +-}; +- +-/** +- * amdkfd_query_rdma_interface - Return interface (function pointers table) for +- * rdma interface +- * +- * +- * \param interace - OUT: Pointer to interface +- * +- * \return 0 if operation was successful. +- */ +-int amdkfd_query_rdma_interface(const struct amd_rdma_interface **ops) +-{ +- *ops = &rdma_ops; +- +- return 0; +-} +-EXPORT_SYMBOL(amdkfd_query_rdma_interface); +- +- +- +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +index 58a5bef..19ce590 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +@@ -28,32 +28,27 @@ + #include <linux/hash.h> + #include <linux/cpufreq.h> + #include <linux/log2.h> +-#include <linux/dmi.h> +-#include <linux/atomic.h> + + #include "kfd_priv.h" + #include "kfd_crat.h" + #include "kfd_topology.h" +-#include "kfd_device_queue_manager.h" + +-/* topology_device_list - Master list of all topology devices */ + static struct list_head topology_device_list; ++static int topology_crat_parsed; + static struct kfd_system_properties sys_props; + + static DECLARE_RWSEM(topology_lock); +-static atomic_t topology_crat_proximity_domain; + +-struct kfd_topology_device *kfd_topology_device_by_proximity_domain( +- uint32_t proximity_domain) ++struct kfd_dev *kfd_device_by_id(uint32_t gpu_id) + { + struct kfd_topology_device *top_dev; +- struct kfd_topology_device *device = NULL; ++ struct kfd_dev *device = NULL; + + down_read(&topology_lock); + + list_for_each_entry(top_dev, &topology_device_list, list) +- if (top_dev->proximity_domain == proximity_domain) { +- device = top_dev; ++ if (top_dev->gpu_id == gpu_id) { ++ device = top_dev->gpu; + break; + } + +@@ -62,7 +57,7 @@ struct kfd_topology_device *kfd_topology_device_by_proximity_domain( + return device; + } + +-struct kfd_dev *kfd_device_by_id(uint32_t gpu_id) ++struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev) + { + struct kfd_topology_device *top_dev; + struct kfd_dev *device = NULL; +@@ -70,7 +65,7 @@ struct kfd_dev *kfd_device_by_id(uint32_t gpu_id) + down_read(&topology_lock); + + list_for_each_entry(top_dev, &topology_device_list, list) +- if (top_dev->gpu_id == gpu_id) { ++ if (top_dev->gpu->pdev == pdev) { + device = top_dev->gpu; + break; + } +@@ -80,49 +75,282 @@ struct kfd_dev *kfd_device_by_id(uint32_t gpu_id) + return device; + } + +-struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev) ++static int kfd_topology_get_crat_acpi(void *crat_image, size_t *size) + { +- struct kfd_topology_device *top_dev; +- struct kfd_dev *device = NULL; ++ struct acpi_table_header *crat_table; ++ acpi_status status; + +- down_read(&topology_lock); ++ if (!size) ++ return -EINVAL; + +- list_for_each_entry(top_dev, &topology_device_list, list) +- if (top_dev->gpu && top_dev->gpu->pdev == pdev) { +- device = top_dev->gpu; ++ /* ++ * Fetch the CRAT table from ACPI ++ */ ++ status = acpi_get_table(CRAT_SIGNATURE, 0, &crat_table); ++ if (status == AE_NOT_FOUND) { ++ pr_warn("CRAT table not found\n"); ++ return -ENODATA; ++ } else if (ACPI_FAILURE(status)) { ++ const char *err = acpi_format_exception(status); ++ ++ pr_err("CRAT table error: %s\n", err); ++ return -EINVAL; ++ } ++ ++ if (*size >= crat_table->length && crat_image != NULL) ++ memcpy(crat_image, crat_table, crat_table->length); ++ ++ *size = crat_table->length; ++ ++ return 0; ++} ++ ++static void kfd_populated_cu_info_cpu(struct kfd_topology_device *dev, ++ struct crat_subtype_computeunit *cu) ++{ ++ dev->node_props.cpu_cores_count = cu->num_cpu_cores; ++ dev->node_props.cpu_core_id_base = cu->processor_id_low; ++ if (cu->hsa_capability & CRAT_CU_FLAGS_IOMMU_PRESENT) ++ dev->node_props.capability |= HSA_CAP_ATS_PRESENT; ++ ++ pr_info("CU CPU: cores=%d id_base=%d\n", cu->num_cpu_cores, ++ cu->processor_id_low); ++} ++ ++static void kfd_populated_cu_info_gpu(struct kfd_topology_device *dev, ++ struct crat_subtype_computeunit *cu) ++{ ++ dev->node_props.simd_id_base = cu->processor_id_low; ++ dev->node_props.simd_count = cu->num_simd_cores; ++ dev->node_props.lds_size_in_kb = cu->lds_size_in_kb; ++ dev->node_props.max_waves_per_simd = cu->max_waves_simd; ++ dev->node_props.wave_front_size = cu->wave_front_size; ++ dev->node_props.mem_banks_count = cu->num_banks; ++ dev->node_props.array_count = cu->num_arrays; ++ dev->node_props.cu_per_simd_array = cu->num_cu_per_array; ++ dev->node_props.simd_per_cu = cu->num_simd_per_cu; ++ dev->node_props.max_slots_scratch_cu = cu->max_slots_scatch_cu; ++ if (cu->hsa_capability & CRAT_CU_FLAGS_HOT_PLUGGABLE) ++ dev->node_props.capability |= HSA_CAP_HOT_PLUGGABLE; ++ pr_info("CU GPU: simds=%d id_base=%d\n", cu->num_simd_cores, ++ cu->processor_id_low); ++} ++ ++/* kfd_parse_subtype_cu is called when the topology mutex is already acquired */ ++static int kfd_parse_subtype_cu(struct crat_subtype_computeunit *cu) ++{ ++ struct kfd_topology_device *dev; ++ int i = 0; ++ ++ pr_info("Found CU entry in CRAT table with proximity_domain=%d caps=%x\n", ++ cu->proximity_domain, cu->hsa_capability); ++ list_for_each_entry(dev, &topology_device_list, list) { ++ if (cu->proximity_domain == i) { ++ if (cu->flags & CRAT_CU_FLAGS_CPU_PRESENT) ++ kfd_populated_cu_info_cpu(dev, cu); ++ ++ if (cu->flags & CRAT_CU_FLAGS_GPU_PRESENT) ++ kfd_populated_cu_info_gpu(dev, cu); + break; + } ++ i++; ++ } + +- up_read(&topology_lock); ++ return 0; ++} + +- return device; ++/* ++ * kfd_parse_subtype_mem is called when the topology mutex is ++ * already acquired ++ */ ++static int kfd_parse_subtype_mem(struct crat_subtype_memory *mem) ++{ ++ struct kfd_mem_properties *props; ++ struct kfd_topology_device *dev; ++ int i = 0; ++ ++ pr_info("Found memory entry in CRAT table with proximity_domain=%d\n", ++ mem->promixity_domain); ++ list_for_each_entry(dev, &topology_device_list, list) { ++ if (mem->promixity_domain == i) { ++ props = kfd_alloc_struct(props); ++ if (props == NULL) ++ return -ENOMEM; ++ ++ if (dev->node_props.cpu_cores_count == 0) ++ props->heap_type = HSA_MEM_HEAP_TYPE_FB_PRIVATE; ++ else ++ props->heap_type = HSA_MEM_HEAP_TYPE_SYSTEM; ++ ++ if (mem->flags & CRAT_MEM_FLAGS_HOT_PLUGGABLE) ++ props->flags |= HSA_MEM_FLAGS_HOT_PLUGGABLE; ++ if (mem->flags & CRAT_MEM_FLAGS_NON_VOLATILE) ++ props->flags |= HSA_MEM_FLAGS_NON_VOLATILE; ++ ++ props->size_in_bytes = ++ ((uint64_t)mem->length_high << 32) + ++ mem->length_low; ++ props->width = mem->width; ++ ++ dev->mem_bank_count++; ++ list_add_tail(&props->list, &dev->mem_props); ++ ++ break; ++ } ++ i++; ++ } ++ ++ return 0; + } + +-struct kfd_dev *kfd_device_by_kgd(const struct kgd_dev *kgd) ++/* ++ * kfd_parse_subtype_cache is called when the topology mutex ++ * is already acquired ++ */ ++static int kfd_parse_subtype_cache(struct crat_subtype_cache *cache) + { +- struct kfd_topology_device *top_dev; +- struct kfd_dev *device = NULL; ++ struct kfd_cache_properties *props; ++ struct kfd_topology_device *dev; ++ uint32_t id; + +- down_read(&topology_lock); ++ id = cache->processor_id_low; ++ ++ pr_info("Found cache entry in CRAT table with processor_id=%d\n", id); ++ list_for_each_entry(dev, &topology_device_list, list) ++ if (id == dev->node_props.cpu_core_id_base || ++ id == dev->node_props.simd_id_base) { ++ props = kfd_alloc_struct(props); ++ if (props == NULL) ++ return -ENOMEM; ++ ++ props->processor_id_low = id; ++ props->cache_level = cache->cache_level; ++ props->cache_size = cache->cache_size; ++ props->cacheline_size = cache->cache_line_size; ++ props->cachelines_per_tag = cache->lines_per_tag; ++ props->cache_assoc = cache->associativity; ++ props->cache_latency = cache->cache_latency; ++ ++ if (cache->flags & CRAT_CACHE_FLAGS_DATA_CACHE) ++ props->cache_type |= HSA_CACHE_TYPE_DATA; ++ if (cache->flags & CRAT_CACHE_FLAGS_INST_CACHE) ++ props->cache_type |= HSA_CACHE_TYPE_INSTRUCTION; ++ if (cache->flags & CRAT_CACHE_FLAGS_CPU_CACHE) ++ props->cache_type |= HSA_CACHE_TYPE_CPU; ++ if (cache->flags & CRAT_CACHE_FLAGS_SIMD_CACHE) ++ props->cache_type |= HSA_CACHE_TYPE_HSACU; ++ ++ dev->cache_count++; ++ dev->node_props.caches_count++; ++ list_add_tail(&props->list, &dev->cache_props); + +- list_for_each_entry(top_dev, &topology_device_list, list) +- if (top_dev->gpu && top_dev->gpu->kgd == kgd) { +- device = top_dev->gpu; + break; + } + +- up_read(&topology_lock); ++ return 0; ++} + +- return device; ++/* ++ * kfd_parse_subtype_iolink is called when the topology mutex ++ * is already acquired ++ */ ++static int kfd_parse_subtype_iolink(struct crat_subtype_iolink *iolink) ++{ ++ struct kfd_iolink_properties *props; ++ struct kfd_topology_device *dev; ++ uint32_t i = 0; ++ uint32_t id_from; ++ uint32_t id_to; ++ ++ id_from = iolink->proximity_domain_from; ++ id_to = iolink->proximity_domain_to; ++ ++ pr_info("Found IO link entry in CRAT table with id_from=%d\n", id_from); ++ list_for_each_entry(dev, &topology_device_list, list) { ++ if (id_from == i) { ++ props = kfd_alloc_struct(props); ++ if (props == NULL) ++ return -ENOMEM; ++ ++ props->node_from = id_from; ++ props->node_to = id_to; ++ props->ver_maj = iolink->version_major; ++ props->ver_min = iolink->version_minor; ++ ++ /* ++ * weight factor (derived from CDIR), currently always 1 ++ */ ++ props->weight = 1; ++ ++ props->min_latency = iolink->minimum_latency; ++ props->max_latency = iolink->maximum_latency; ++ props->min_bandwidth = iolink->minimum_bandwidth_mbs; ++ props->max_bandwidth = iolink->maximum_bandwidth_mbs; ++ props->rec_transfer_size = ++ iolink->recommended_transfer_size; ++ ++ dev->io_link_count++; ++ dev->node_props.io_links_count++; ++ list_add_tail(&props->list, &dev->io_link_props); ++ ++ break; ++ } ++ i++; ++ } ++ ++ return 0; ++} ++ ++static int kfd_parse_subtype(struct crat_subtype_generic *sub_type_hdr) ++{ ++ struct crat_subtype_computeunit *cu; ++ struct crat_subtype_memory *mem; ++ struct crat_subtype_cache *cache; ++ struct crat_subtype_iolink *iolink; ++ int ret = 0; ++ ++ switch (sub_type_hdr->type) { ++ case CRAT_SUBTYPE_COMPUTEUNIT_AFFINITY: ++ cu = (struct crat_subtype_computeunit *)sub_type_hdr; ++ ret = kfd_parse_subtype_cu(cu); ++ break; ++ case CRAT_SUBTYPE_MEMORY_AFFINITY: ++ mem = (struct crat_subtype_memory *)sub_type_hdr; ++ ret = kfd_parse_subtype_mem(mem); ++ break; ++ case CRAT_SUBTYPE_CACHE_AFFINITY: ++ cache = (struct crat_subtype_cache *)sub_type_hdr; ++ ret = kfd_parse_subtype_cache(cache); ++ break; ++ case CRAT_SUBTYPE_TLB_AFFINITY: ++ /* ++ * For now, nothing to do here ++ */ ++ pr_info("Found TLB entry in CRAT table (not processing)\n"); ++ break; ++ case CRAT_SUBTYPE_CCOMPUTE_AFFINITY: ++ /* ++ * For now, nothing to do here ++ */ ++ pr_info("Found CCOMPUTE entry in CRAT table (not processing)\n"); ++ break; ++ case CRAT_SUBTYPE_IOLINK_AFFINITY: ++ iolink = (struct crat_subtype_iolink *)sub_type_hdr; ++ ret = kfd_parse_subtype_iolink(iolink); ++ break; ++ default: ++ pr_warn("Unknown subtype (%d) in CRAT\n", ++ sub_type_hdr->type); ++ } ++ ++ return ret; + } + +-/* Called with write topology_lock acquired */ + static void kfd_release_topology_device(struct kfd_topology_device *dev) + { + struct kfd_mem_properties *mem; + struct kfd_cache_properties *cache; + struct kfd_iolink_properties *iolink; +- struct kfd_perf_properties *perf; + + list_del(&dev->list); + +@@ -147,35 +375,25 @@ static void kfd_release_topology_device(struct kfd_topology_device *dev) + kfree(iolink); + } + +- while (dev->perf_props.next != &dev->perf_props) { +- perf = container_of(dev->perf_props.next, +- struct kfd_perf_properties, list); +- list_del(&perf->list); +- kfree(perf); +- } +- + kfree(dev); ++ ++ sys_props.num_devices--; + } + +-void kfd_release_topology_device_list(struct list_head *device_list) ++static void kfd_release_live_view(void) + { + struct kfd_topology_device *dev; + +- while (!list_empty(device_list)) { +- dev = list_first_entry(device_list, +- struct kfd_topology_device, list); ++ while (topology_device_list.next != &topology_device_list) { ++ dev = container_of(topology_device_list.next, ++ struct kfd_topology_device, list); + kfd_release_topology_device(dev); +- } + } + +-static void kfd_release_live_view(void) +-{ +- kfd_release_topology_device_list(&topology_device_list); + memset(&sys_props, 0, sizeof(sys_props)); + } + +-struct kfd_topology_device *kfd_create_topology_device( +- struct list_head *device_list) ++static struct kfd_topology_device *kfd_create_topology_device(void) + { + struct kfd_topology_device *dev; + +@@ -188,13 +406,66 @@ struct kfd_topology_device *kfd_create_topology_device( + INIT_LIST_HEAD(&dev->mem_props); + INIT_LIST_HEAD(&dev->cache_props); + INIT_LIST_HEAD(&dev->io_link_props); +- INIT_LIST_HEAD(&dev->perf_props); + +- list_add_tail(&dev->list, device_list); ++ list_add_tail(&dev->list, &topology_device_list); ++ sys_props.num_devices++; + + return dev; + } + ++static int kfd_parse_crat_table(void *crat_image) ++{ ++ struct kfd_topology_device *top_dev; ++ struct crat_subtype_generic *sub_type_hdr; ++ uint16_t node_id; ++ int ret; ++ struct crat_header *crat_table = (struct crat_header *)crat_image; ++ uint16_t num_nodes; ++ uint32_t image_len; ++ ++ if (!crat_image) ++ return -EINVAL; ++ ++ num_nodes = crat_table->num_domains; ++ image_len = crat_table->length; ++ ++ pr_info("Parsing CRAT table with %d nodes\n", num_nodes); ++ ++ for (node_id = 0; node_id < num_nodes; node_id++) { ++ top_dev = kfd_create_topology_device(); ++ if (!top_dev) { ++ kfd_release_live_view(); ++ return -ENOMEM; ++ } ++ } ++ ++ sys_props.platform_id = ++ (*((uint64_t *)crat_table->oem_id)) & CRAT_OEMID_64BIT_MASK; ++ sys_props.platform_oem = *((uint64_t *)crat_table->oem_table_id); ++ sys_props.platform_rev = crat_table->revision; ++ ++ sub_type_hdr = (struct crat_subtype_generic *)(crat_table+1); ++ while ((char *)sub_type_hdr + sizeof(struct crat_subtype_generic) < ++ ((char *)crat_image) + image_len) { ++ if (sub_type_hdr->flags & CRAT_SUBTYPE_FLAGS_ENABLED) { ++ ret = kfd_parse_subtype(sub_type_hdr); ++ if (ret != 0) { ++ kfd_release_live_view(); ++ return ret; ++ } ++ } ++ ++ sub_type_hdr = (typeof(sub_type_hdr))((char *)sub_type_hdr + ++ sub_type_hdr->length); ++ } ++ ++ sys_props.generation_count++; ++ topology_crat_parsed = 1; ++ ++ return 0; ++} ++ ++ + #define sysfs_show_gen_prop(buffer, fmt, ...) \ + snprintf(buffer, PAGE_SIZE, "%s"fmt, buffer, __VA_ARGS__) + #define sysfs_show_32bit_prop(buffer, name, value) \ +@@ -203,8 +474,6 @@ struct kfd_topology_device *kfd_create_topology_device( + sysfs_show_gen_prop(buffer, "%s %llu\n", name, value) + #define sysfs_show_32bit_val(buffer, value) \ + sysfs_show_gen_prop(buffer, "%u\n", value) +-#define sysfs_show_64bit_val(buffer, value) \ +- sysfs_show_gen_prop(buffer, "%llu\n", value) + #define sysfs_show_str_val(buffer, value) \ + sysfs_show_gen_prop(buffer, "%s\n", value) + +@@ -232,17 +501,11 @@ static ssize_t sysprops_show(struct kobject *kobj, struct attribute *attr, + return ret; + } + +-static void kfd_topology_kobj_release(struct kobject *kobj) +-{ +- kfree(kobj); +-} +- + static const struct sysfs_ops sysprops_ops = { + .show = sysprops_show, + }; + + static struct kobj_type sysprops_type = { +- .release = kfd_topology_kobj_release, + .sysfs_ops = &sysprops_ops, + }; + +@@ -278,7 +541,6 @@ static const struct sysfs_ops iolink_ops = { + }; + + static struct kobj_type iolink_type = { +- .release = kfd_topology_kobj_release, + .sysfs_ops = &iolink_ops, + }; + +@@ -287,23 +549,11 @@ static ssize_t mem_show(struct kobject *kobj, struct attribute *attr, + { + ssize_t ret; + struct kfd_mem_properties *mem; +- uint64_t used_mem; + + /* Making sure that the buffer is an empty string */ + buffer[0] = 0; + +- if (strcmp(attr->name, "used_memory") == 0) { +- mem = container_of(attr, struct kfd_mem_properties, +- attr_used); +- if (mem->gpu) { +- used_mem = mem->gpu->kfd2kgd->get_vram_usage(mem->gpu->kgd); +- return sysfs_show_64bit_val(buffer, used_mem); +- } +- /* TODO: Report APU/CPU-allocated memory; For now return 0 */ +- return 0; +- } +- +- mem = container_of(attr, struct kfd_mem_properties, attr_props); ++ mem = container_of(attr, struct kfd_mem_properties, attr); + sysfs_show_32bit_prop(buffer, "heap_type", mem->heap_type); + sysfs_show_64bit_prop(buffer, "size_in_bytes", mem->size_in_bytes); + sysfs_show_32bit_prop(buffer, "flags", mem->flags); +@@ -318,7 +568,6 @@ static const struct sysfs_ops mem_ops = { + }; + + static struct kobj_type mem_type = { +- .release = kfd_topology_kobj_release, + .sysfs_ops = &mem_ops, + }; + +@@ -326,7 +575,7 @@ static ssize_t kfd_cache_show(struct kobject *kobj, struct attribute *attr, + char *buffer) + { + ssize_t ret; +- uint32_t i, j; ++ uint32_t i; + struct kfd_cache_properties *cache; + + /* Making sure that the buffer is an empty string */ +@@ -344,18 +593,12 @@ static ssize_t kfd_cache_show(struct kobject *kobj, struct attribute *attr, + sysfs_show_32bit_prop(buffer, "latency", cache->cache_latency); + sysfs_show_32bit_prop(buffer, "type", cache->cache_type); + snprintf(buffer, PAGE_SIZE, "%ssibling_map ", buffer); +- for (i = 0; i < CRAT_SIBLINGMAP_SIZE; i++) +- for (j = 0; j < sizeof(cache->sibling_map[0])*8; j++) { +- /* Check each bit */ +- if (cache->sibling_map[i] & (1 << j)) +- ret = snprintf(buffer, PAGE_SIZE, +- "%s%d%s", buffer, 1, ","); +- else +- ret = snprintf(buffer, PAGE_SIZE, +- "%s%d%s", buffer, 0, ","); +- } +- /* Replace the last "," with end of line */ +- *(buffer + strlen(buffer) - 1) = 0xA; ++ for (i = 0; i < KFD_TOPOLOGY_CPU_SIBLINGS; i++) ++ ret = snprintf(buffer, PAGE_SIZE, "%s%d%s", ++ buffer, cache->sibling_map[i], ++ (i == KFD_TOPOLOGY_CPU_SIBLINGS-1) ? ++ "\n" : ","); ++ + return ret; + } + +@@ -364,43 +607,9 @@ static const struct sysfs_ops cache_ops = { + }; + + static struct kobj_type cache_type = { +- .release = kfd_topology_kobj_release, + .sysfs_ops = &cache_ops, + }; + +-/****** Sysfs of Performance Counters ******/ +- +-struct kfd_perf_attr { +- struct kobj_attribute attr; +- uint32_t data; +-}; +- +-static ssize_t perf_show(struct kobject *kobj, struct kobj_attribute *attrs, +- char *buf) +-{ +- struct kfd_perf_attr *attr; +- +- buf[0] = 0; +- attr = container_of(attrs, struct kfd_perf_attr, attr); +- if (!attr->data) /* invalid data for PMC */ +- return 0; +- else +- return sysfs_show_32bit_val(buf, attr->data); +-} +- +-#define KFD_PERF_DESC(_name, _data) \ +-{ \ +- .attr = __ATTR(_name, 0444, perf_show, NULL), \ +- .data = _data, \ +-} +- +-static struct kfd_perf_attr perf_attr_iommu[] = { +- KFD_PERF_DESC(max_concurrent, 0), +- KFD_PERF_DESC(num_counters, 0), +- KFD_PERF_DESC(counter_ids, 0), +-}; +-/****************************************/ +- + static ssize_t node_show(struct kobject *kobj, struct attribute *attr, + char *buffer) + { +@@ -408,7 +617,6 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr, + char public_name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE]; + uint32_t i; + uint32_t log_max_watch_addr; +- struct kfd_local_mem_info local_mem_info; + + /* Making sure that the buffer is an empty string */ + buffer[0] = 0; +@@ -438,8 +646,18 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr, + dev->node_props.cpu_cores_count); + sysfs_show_32bit_prop(buffer, "simd_count", + dev->node_props.simd_count); +- sysfs_show_32bit_prop(buffer, "mem_banks_count", +- dev->node_props.mem_banks_count); ++ ++ if (dev->mem_bank_count < dev->node_props.mem_banks_count) { ++ pr_info_once("mem_banks_count truncated from %d to %d\n", ++ dev->node_props.mem_banks_count, ++ dev->mem_bank_count); ++ sysfs_show_32bit_prop(buffer, "mem_banks_count", ++ dev->mem_bank_count); ++ } else { ++ sysfs_show_32bit_prop(buffer, "mem_banks_count", ++ dev->node_props.mem_banks_count); ++ } ++ + sysfs_show_32bit_prop(buffer, "caches_count", + dev->node_props.caches_count); + sysfs_show_32bit_prop(buffer, "io_links_count", +@@ -472,8 +690,6 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr, + dev->node_props.device_id); + sysfs_show_32bit_prop(buffer, "location_id", + dev->node_props.location_id); +- sysfs_show_32bit_prop(buffer, "drm_render_minor", +- dev->node_props.drm_render_minor); + + if (dev->gpu) { + log_max_watch_addr = +@@ -489,29 +705,17 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr, + HSA_CAP_WATCH_POINTS_TOTALBITS_MASK); + } + +- if (dev->gpu->device_info->asic_family == CHIP_TONGA) +- dev->node_props.capability |= +- HSA_CAP_AQL_QUEUE_DOUBLE_MAP; +- + sysfs_show_32bit_prop(buffer, "max_engine_clk_fcompute", +- dev->node_props.max_engine_clk_fcompute); ++ dev->gpu->kfd2kgd->get_max_engine_clock_in_mhz( ++ dev->gpu->kgd)); + +- /* +- * If the ASIC is APU except Kaveri, set local memory size +- * to 0 to disable local memory support +- */ +- if (!dev->gpu->device_info->is_need_iommu_device +- || dev->gpu->device_info->asic_family == CHIP_KAVERI) { +- dev->gpu->kfd2kgd->get_local_mem_info(dev->gpu->kgd, +- &local_mem_info); +- sysfs_show_64bit_prop(buffer, "local_mem_size", +- local_mem_info.local_mem_size_private + +- local_mem_info.local_mem_size_public); +- } else +- sysfs_show_64bit_prop(buffer, "local_mem_size", 0ULL); ++ sysfs_show_64bit_prop(buffer, "local_mem_size", ++ (unsigned long long int) 0); + + sysfs_show_32bit_prop(buffer, "fw_version", +- dev->gpu->mec_fw_version); ++ dev->gpu->kfd2kgd->get_fw_version( ++ dev->gpu->kgd, ++ KGD_ENGINE_MEC1)); + sysfs_show_32bit_prop(buffer, "capability", + dev->node_props.capability); + } +@@ -525,7 +729,6 @@ static const struct sysfs_ops node_ops = { + }; + + static struct kobj_type node_type = { +- .release = kfd_topology_kobj_release, + .sysfs_ops = &node_ops, + }; + +@@ -541,7 +744,6 @@ static void kfd_remove_sysfs_node_entry(struct kfd_topology_device *dev) + struct kfd_iolink_properties *iolink; + struct kfd_cache_properties *cache; + struct kfd_mem_properties *mem; +- struct kfd_perf_properties *perf; + + if (dev->kobj_iolink) { + list_for_each_entry(iolink, &dev->io_link_props, list) +@@ -570,12 +772,7 @@ static void kfd_remove_sysfs_node_entry(struct kfd_topology_device *dev) + if (dev->kobj_mem) { + list_for_each_entry(mem, &dev->mem_props, list) + if (mem->kobj) { +- /* TODO: Remove when CPU/APU supported */ +- if (dev->node_props.cpu_cores_count == 0) +- sysfs_remove_file(mem->kobj, +- &mem->attr_used); +- kfd_remove_sysfs_file(mem->kobj, +- &mem->attr_props); ++ kfd_remove_sysfs_file(mem->kobj, &mem->attr); + mem->kobj = NULL; + } + kobject_del(dev->kobj_mem); +@@ -583,16 +780,6 @@ static void kfd_remove_sysfs_node_entry(struct kfd_topology_device *dev) + dev->kobj_mem = NULL; + } + +- if (dev->kobj_perf) { +- list_for_each_entry(perf, &dev->perf_props, list) { +- kfree(perf->attr_group); +- perf->attr_group = NULL; +- } +- kobject_del(dev->kobj_perf); +- kobject_put(dev->kobj_perf); +- dev->kobj_perf = NULL; +- } +- + if (dev->kobj_node) { + sysfs_remove_file(dev->kobj_node, &dev->attr_gpuid); + sysfs_remove_file(dev->kobj_node, &dev->attr_name); +@@ -609,9 +796,6 @@ static int kfd_build_sysfs_node_entry(struct kfd_topology_device *dev, + struct kfd_iolink_properties *iolink; + struct kfd_cache_properties *cache; + struct kfd_mem_properties *mem; +- struct kfd_perf_properties *perf; +- uint32_t num_attrs; +- struct attribute **attrs; + int ret; + uint32_t i; + +@@ -642,10 +826,6 @@ static int kfd_build_sysfs_node_entry(struct kfd_topology_device *dev, + if (!dev->kobj_iolink) + return -ENOMEM; + +- dev->kobj_perf = kobject_create_and_add("perf", dev->kobj_node); +- if (!dev->kobj_perf) +- return -ENOMEM; +- + /* + * Creating sysfs files for node properties + */ +@@ -678,23 +858,12 @@ static int kfd_build_sysfs_node_entry(struct kfd_topology_device *dev, + if (ret < 0) + return ret; + +- mem->attr_props.name = "properties"; +- mem->attr_props.mode = KFD_SYSFS_FILE_MODE; +- sysfs_attr_init(&mem->attr_props); +- ret = sysfs_create_file(mem->kobj, &mem->attr_props); ++ mem->attr.name = "properties"; ++ mem->attr.mode = KFD_SYSFS_FILE_MODE; ++ sysfs_attr_init(&mem->attr); ++ ret = sysfs_create_file(mem->kobj, &mem->attr); + if (ret < 0) + return ret; +- +- /* TODO: Support APU/CPU memory usage */ +- if (dev->node_props.cpu_cores_count == 0) { +- mem->attr_used.name = "used_memory"; +- mem->attr_used.mode = KFD_SYSFS_FILE_MODE; +- sysfs_attr_init(&mem->attr_used); +- ret = sysfs_create_file(mem->kobj, &mem->attr_used); +- if (ret < 0) +- return ret; +- } +- + i++; + } + +@@ -734,38 +903,11 @@ static int kfd_build_sysfs_node_entry(struct kfd_topology_device *dev, + if (ret < 0) + return ret; + i++; +- } +- +- /* All hardware blocks have the same number of attributes. */ +- num_attrs = sizeof(perf_attr_iommu)/sizeof(struct kfd_perf_attr); +- list_for_each_entry(perf, &dev->perf_props, list) { +- perf->attr_group = kzalloc(sizeof(struct kfd_perf_attr) +- * num_attrs + sizeof(struct attribute_group), +- GFP_KERNEL); +- if (!perf->attr_group) +- return -ENOMEM; +- +- attrs = (struct attribute **)(perf->attr_group + 1); +- if (!strcmp(perf->block_name, "iommu")) { +- /* Information of IOMMU's num_counters and counter_ids is shown +- * under /sys/bus/event_source/devices/amd_iommu. We don't +- * duplicate here. +- */ +- perf_attr_iommu[0].data = perf->max_concurrent; +- for (i = 0; i < num_attrs; i++) +- attrs[i] = &perf_attr_iommu[i].attr.attr; +- } +- perf->attr_group->name = perf->block_name; +- perf->attr_group->attrs = attrs; +- ret = sysfs_create_group(dev->kobj_perf, perf->attr_group); +- if (ret < 0) +- return ret; +- } ++} + + return 0; + } + +-/* Called with write topology lock acquired */ + static int kfd_build_sysfs_node_tree(void) + { + struct kfd_topology_device *dev; +@@ -782,7 +924,6 @@ static int kfd_build_sysfs_node_tree(void) + return 0; + } + +-/* Called with write topology lock acquired */ + static void kfd_remove_sysfs_node_tree(void) + { + struct kfd_topology_device *dev; +@@ -854,251 +995,75 @@ static void kfd_topology_release_sysfs(void) + } + } + +-/* Called with write topology_lock acquired */ +-static void kfd_topology_update_device_list(struct list_head *temp_list, +- struct list_head *master_list) +-{ +- while (!list_empty(temp_list)) { +- list_move_tail(temp_list->next, master_list); +- sys_props.num_devices++; +- } +-} +- +-static void kfd_debug_print_topology(void) +-{ +- struct kfd_topology_device *dev; +- +- down_read(&topology_lock); +- +- dev = list_last_entry(&topology_device_list, +- struct kfd_topology_device, list); +- if (dev) { +- if (dev->node_props.cpu_cores_count && +- dev->node_props.simd_count) { +- pr_info("Topology: Add APU node [0x%0x:0x%0x]\n", +- dev->node_props.device_id, +- dev->node_props.vendor_id); +- } else if (dev->node_props.cpu_cores_count) +- pr_info("Topology: Add CPU node\n"); +- else if (dev->node_props.simd_count) +- pr_info("Topology: Add dGPU node [0x%0x:0x%0x]\n", +- dev->node_props.device_id, +- dev->node_props.vendor_id); +- } +- up_read(&topology_lock); +-} +- +-/* Helper function for intializing platform_xx members of kfd_system_properties +- */ +-static void kfd_update_system_properties(void) +-{ +- struct kfd_topology_device *dev; +- +- down_read(&topology_lock); +- dev = list_last_entry(&topology_device_list, +- struct kfd_topology_device, list); +- if (dev) { +- sys_props.platform_id = +- (*((uint64_t *)dev->oem_id)) & CRAT_OEMID_64BIT_MASK; +- sys_props.platform_oem = *((uint64_t *)dev->oem_table_id); +- sys_props.platform_rev = dev->oem_revision; +- } +- up_read(&topology_lock); +-} +- +-static void find_system_memory(const struct dmi_header *dm, +- void *private) +-{ +- struct kfd_mem_properties *mem; +- u16 mem_width, mem_clock; +- struct kfd_topology_device *kdev = +- (struct kfd_topology_device *)private; +- const u8 *dmi_data = (const u8 *)(dm + 1); +- +- if (dm->type == DMI_ENTRY_MEM_DEVICE && dm->length >= 0x15) { +- mem_width = (u16)(*(const u16 *)(dmi_data + 0x6)); +- mem_clock = (u16)(*(const u16 *)(dmi_data + 0x11)); +- list_for_each_entry(mem, &kdev->mem_props, list) { +- if (mem_width != 0xFFFF && mem_width != 0) +- mem->width = mem_width; +- if (mem_clock != 0) +- mem->mem_clk_max = mem_clock; +- } +- } +-} +- +-/* +- * Performance counters information is not part of CRAT but we would like to +- * put them in the sysfs under topology directory for Thunk to get the data. +- * This function is called before updating the sysfs. +- */ +-static int kfd_add_perf_to_topology(struct kfd_topology_device *kdev) +-{ +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) +- struct kfd_perf_properties *props; +- +- if (amd_iommu_pc_supported()) { +- props = kfd_alloc_struct(props); +- if (!props) +- return -ENOMEM; +- strcpy(props->block_name, "iommu"); +- props->max_concurrent = amd_iommu_pc_get_max_banks(0) * +- amd_iommu_pc_get_max_counters(0); /* assume one iommu */ +- list_add_tail(&props->list, &kdev->perf_props); +- } +-#endif +- +- return 0; +-} +- +-/* kfd_add_non_crat_information - Add information that is not currently +- * defined in CRAT but is necessary for KFD topology +- * @dev - topology device to which addition info is added +- */ +-static void kfd_add_non_crat_information(struct kfd_topology_device *kdev) +-{ +- /* Check if CPU only node. */ +- if (!kdev->gpu) { +- /* Add system memory information */ +- dmi_walk(find_system_memory, kdev); +- } +- /* TODO: For GPU node, rearrange code from kfd_topology_add_device */ +-} +- +-#ifdef CONFIG_ACPI +-/* kfd_is_acpi_crat_invalid - CRAT from ACPI is valid only for AMD APU devices. +- * Ignore CRAT for all other devices. AMD APU is identified if both CPU +- * and GPU cores are present. +- * @device_list - topology device list created by parsing ACPI CRAT table. +- * @return - TRUE if invalid, FALSE is valid. +- */ +-static bool kfd_is_acpi_crat_invalid(struct list_head *device_list) +-{ +- struct kfd_topology_device *dev; +- +- list_for_each_entry(dev, device_list, list) { +- if (dev->node_props.cpu_cores_count && +- dev->node_props.simd_count) +- return false; +- } +- pr_info("Ignoring ACPI CRAT on non-APU system\n"); +- return true; +-} +-#endif +- + int kfd_topology_init(void) + { + void *crat_image = NULL; + size_t image_size = 0; + int ret; +- struct list_head temp_topology_device_list; +- int cpu_only_node = 0; +- struct kfd_topology_device *kdev; +- int proximity_domain; +- +- /* topology_device_list - Master list of all topology devices +- * temp_topology_device_list - temporary list created while parsing CRAT +- * or VCRAT. Once parsing is complete the contents of list is moved to +- * topology_device_list +- */ + +- /* Initialize the head for the both the lists */ ++ /* ++ * Initialize the head for the topology device list ++ */ + INIT_LIST_HEAD(&topology_device_list); +- INIT_LIST_HEAD(&temp_topology_device_list); + init_rwsem(&topology_lock); ++ topology_crat_parsed = 0; + + memset(&sys_props, 0, sizeof(sys_props)); + +- /* Proximity domains in ACPI CRAT tables start counting at +- * 0. The same should be true for virtual CRAT tables created +- * at this stage. GPUs added later in kfd_topology_add_device +- * use a counter. +- */ +- proximity_domain = 0; +- + /* +- * Get the CRAT image from the ACPI. If ACPI doesn't have one +- * or if ACPI CRAT is invalid create a virtual CRAT. +- * NOTE: The current implementation expects all AMD APUs to have +- * CRAT. If no CRAT is available, it is assumed to be a CPU ++ * Get the CRAT image from the ACPI + */ +-#ifdef CONFIG_ACPI +- ret = kfd_create_crat_image_acpi(&crat_image, &image_size); +- if (ret == 0) { +- ret = kfd_parse_crat_table(crat_image, +- &temp_topology_device_list, +- proximity_domain); +- if (ret || +- kfd_is_acpi_crat_invalid(&temp_topology_device_list)) { +- +- kfd_release_topology_device_list( +- &temp_topology_device_list); +- kfd_destroy_crat_image(crat_image); +- crat_image = NULL; +- } +- } +-#endif +- if (!crat_image) { +- ret = kfd_create_crat_image_virtual(&crat_image, &image_size, +- COMPUTE_UNIT_CPU, NULL, +- proximity_domain); +- cpu_only_node = 1; +- if (ret) { +- pr_err("Error creating VCRAT table for CPU\n"); +- return ret; +- } +- +- ret = kfd_parse_crat_table(crat_image, +- &temp_topology_device_list, +- proximity_domain); +- if (ret) { +- pr_err("Error parsing VCRAT table for CPU\n"); ++ ret = kfd_topology_get_crat_acpi(crat_image, &image_size); ++ if (ret == 0 && image_size > 0) { ++ pr_info("Found CRAT image with size=%zd\n", image_size); ++ crat_image = kmalloc(image_size, GFP_KERNEL); ++ if (!crat_image) { ++ ret = -ENOMEM; ++ pr_err("No memory for allocating CRAT image\n"); + goto err; + } +- } +- +- kdev = list_first_entry(&temp_topology_device_list, +- struct kfd_topology_device, list); +- kfd_add_perf_to_topology(kdev); +- +- down_write(&topology_lock); +- kfd_topology_update_device_list(&temp_topology_device_list, +- &topology_device_list); +- atomic_set(&topology_crat_proximity_domain, sys_props.num_devices-1); +- ret = kfd_topology_update_sysfs(); +- up_write(&topology_lock); +- +- if (ret == 0) { +- sys_props.generation_count++; +- kfd_update_system_properties(); +- kfd_debug_print_topology(); +- pr_info("Finished initializing topology\n"); +- } else +- pr_err("Failed to update topology in sysfs ret=%d\n", ret); +- +- /* For nodes with GPU, this information gets added +- * when GPU is detected (kfd_topology_add_device). +- */ +- if (cpu_only_node) { +- /* Add additional information to CPU only node created above */ +- down_write(&topology_lock); +- kdev = list_first_entry(&topology_device_list, +- struct kfd_topology_device, list); +- up_write(&topology_lock); +- kfd_add_non_crat_information(kdev); ++ ret = kfd_topology_get_crat_acpi(crat_image, &image_size); ++ ++ if (ret == 0) { ++ down_write(&topology_lock); ++ ret = kfd_parse_crat_table(crat_image); ++ if (ret == 0) ++ ret = kfd_topology_update_sysfs(); ++ up_write(&topology_lock); ++ } else { ++ pr_err("Couldn't get CRAT table size from ACPI\n"); ++ } ++ kfree(crat_image); ++ } else if (ret == -ENODATA) { ++ ret = 0; ++ } else { ++ pr_err("Couldn't get CRAT table size from ACPI\n"); + } + + err: +- kfd_destroy_crat_image(crat_image); ++ pr_info("Finished initializing topology ret=%d\n", ret); + return ret; + } + + void kfd_topology_shutdown(void) + { +- down_write(&topology_lock); + kfd_topology_release_sysfs(); + kfd_release_live_view(); +- up_write(&topology_lock); ++} ++ ++static void kfd_debug_print_topology(void) ++{ ++ struct kfd_topology_device *dev; ++ uint32_t i = 0; ++ ++ pr_info("DEBUG PRINT OF TOPOLOGY:"); ++ list_for_each_entry(dev, &topology_device_list, list) { ++ pr_info("Node: %d\n", i); ++ pr_info("\tGPU assigned: %s\n", (dev->gpu ? "yes" : "no")); ++ pr_info("\tCPU count: %d\n", dev->node_props.cpu_cores_count); ++ pr_info("\tSIMD count: %d", dev->node_props.simd_count); ++ i++; ++ } + } + + static uint32_t kfd_generate_gpu_id(struct kfd_dev *gpu) +@@ -1107,15 +1072,11 @@ static uint32_t kfd_generate_gpu_id(struct kfd_dev *gpu) + uint32_t buf[7]; + uint64_t local_mem_size; + int i; +- struct kfd_local_mem_info local_mem_info; + + if (!gpu) + return 0; + +- gpu->kfd2kgd->get_local_mem_info(gpu->kgd, &local_mem_info); +- +- local_mem_size = local_mem_info.local_mem_size_private + +- local_mem_info.local_mem_size_public; ++ local_mem_size = gpu->kfd2kgd->get_vmem_size(gpu->kgd); + + buf[0] = gpu->pdev->devfn; + buf[1] = gpu->pdev->subsystem_vendor; +@@ -1130,32 +1091,18 @@ static uint32_t kfd_generate_gpu_id(struct kfd_dev *gpu) + + return hashout; + } +-/* kfd_assign_gpu - Attach @gpu to the correct kfd topology device. If +- * the GPU device is not already present in the topology device +- * list then return NULL. This means a new topology device has to +- * be created for this GPU. +- * TODO: Rather than assiging @gpu to first topology device withtout +- * gpu attached, it will better to have more stringent check. +- */ ++ + static struct kfd_topology_device *kfd_assign_gpu(struct kfd_dev *gpu) + { + struct kfd_topology_device *dev; + struct kfd_topology_device *out_dev = NULL; +- struct kfd_mem_properties *mem; + +- down_write(&topology_lock); + list_for_each_entry(dev, &topology_device_list, list) + if (!dev->gpu && (dev->node_props.simd_count > 0)) { + dev->gpu = gpu; + out_dev = dev; +- +- /* Assign mem->gpu */ +- list_for_each_entry(mem, &dev->mem_props, list) +- mem->gpu = dev->gpu; +- + break; + } +- up_write(&topology_lock); + + return out_dev; + } +@@ -1168,204 +1115,84 @@ static void kfd_notify_gpu_change(uint32_t gpu_id, int arrival) + */ + } + +-/* kfd_fill_mem_clk_max_info - Since CRAT doesn't have memory clock info, +- * patch this after CRAT parsing. +- */ +-static void kfd_fill_mem_clk_max_info(struct kfd_topology_device *dev) +-{ +- struct kfd_mem_properties *mem; +- struct kfd_local_mem_info local_mem_info; +- +- if (!dev) +- return; +- +- /* Currently, amdgpu driver (amdgpu_mc) deals only with GPUs with +- * single bank of VRAM local memory. +- * for dGPUs - VCRAT reports only one bank of Local Memory +- * for APUs - If CRAT from ACPI reports more than one bank, then +- * all the banks will report the same mem_clk_max information +- */ +- dev->gpu->kfd2kgd->get_local_mem_info(dev->gpu->kgd, +- &local_mem_info); +- +- list_for_each_entry(mem, &dev->mem_props, list) +- mem->mem_clk_max = local_mem_info.mem_clk_max; +-} +- +-static void kfd_fill_iolink_non_crat_info(struct kfd_topology_device *dev) +-{ +- struct kfd_iolink_properties *link; +- +- if (!dev || !dev->gpu) +- return; +- +- /* GPU only creates direck links so apply flags setting to all */ +- if (dev->gpu->device_info->asic_family == CHIP_HAWAII) +- list_for_each_entry(link, &dev->io_link_props, list) +- link->flags = CRAT_IOLINK_FLAGS_ENABLED | +- CRAT_IOLINK_FLAGS_NO_ATOMICS_32_BIT | +- CRAT_IOLINK_FLAGS_NO_ATOMICS_64_BIT; +-} +- + int kfd_topology_add_device(struct kfd_dev *gpu) + { + uint32_t gpu_id; + struct kfd_topology_device *dev; +- struct kfd_cu_info cu_info; +- int res = 0; +- struct list_head temp_topology_device_list; +- void *crat_image = NULL; +- size_t image_size = 0; +- int proximity_domain; +- +- INIT_LIST_HEAD(&temp_topology_device_list); ++ int res; + + gpu_id = kfd_generate_gpu_id(gpu); + + pr_debug("Adding new GPU (ID: 0x%x) to topology\n", gpu_id); + +- proximity_domain = atomic_inc_return(& +- topology_crat_proximity_domain); +- +- /* Check to see if this gpu device exists in the topology_device_list. +- * If so, assign the gpu to that device, +- * else create a Virtual CRAT for this gpu device and then parse that +- * CRAT to create a new topology device. Once created assign the gpu to +- * that topology device ++ down_write(&topology_lock); ++ /* ++ * Try to assign the GPU to existing topology device (generated from ++ * CRAT table + */ + dev = kfd_assign_gpu(gpu); + if (!dev) { +- res = kfd_create_crat_image_virtual(&crat_image, &image_size, +- COMPUTE_UNIT_GPU, +- gpu, proximity_domain); +- if (res) { +- pr_err("Error creating VCRAT for GPU (ID: 0x%x)\n", +- gpu_id); +- return res; +- } +- res = kfd_parse_crat_table(crat_image, +- &temp_topology_device_list, proximity_domain); +- if (res) { +- pr_err("Error parsing VCRAT for GPU (ID: 0x%x)\n", +- gpu_id); ++ pr_info("GPU was not found in the current topology. Extending.\n"); ++ kfd_debug_print_topology(); ++ dev = kfd_create_topology_device(); ++ if (!dev) { ++ res = -ENOMEM; + goto err; + } ++ dev->gpu = gpu; + +- down_write(&topology_lock); +- kfd_topology_update_device_list(&temp_topology_device_list, +- &topology_device_list); ++ /* ++ * TODO: Make a call to retrieve topology information from the ++ * GPU vBIOS ++ */ + + /* Update the SYSFS tree, since we added another topology + * device + */ +- res = kfd_topology_update_sysfs(); +- up_write(&topology_lock); +- +- if (res == 0) +- sys_props.generation_count++; +- else +- pr_err("Failed to update GPU (ID: 0x%x) to sysfs topology. res=%d\n", +- gpu_id, res); +- dev = kfd_assign_gpu(gpu); +- if (!dev) { +- pr_err("Could not assign GPU\n"); +- res = -ENODEV; +- goto err; +- } ++ if (kfd_topology_update_sysfs() < 0) ++ kfd_topology_release_sysfs(); ++ + } + + dev->gpu_id = gpu_id; + gpu->id = gpu_id; +- +- /* TODO: Move the following lines to function +- * kfd_add_non_crat_information +- */ +- +- /* Fill-in additional information that is not available in CRAT but +- * needed for the topology +- */ +- +- dev->gpu->kfd2kgd->get_cu_info(dev->gpu->kgd, &cu_info); +- dev->node_props.simd_arrays_per_engine = +- cu_info.num_shader_arrays_per_engine; +- + dev->node_props.vendor_id = gpu->pdev->vendor; + dev->node_props.device_id = gpu->pdev->device; +- dev->node_props.location_id = PCI_DEVID(gpu->pdev->bus->number, +- gpu->pdev->devfn); +- dev->node_props.max_engine_clk_fcompute = +- dev->gpu->kfd2kgd->get_max_engine_clock_in_mhz(dev->gpu->kgd); +- dev->node_props.max_engine_clk_ccompute = +- cpufreq_quick_get_max(0) / 1000; +- dev->node_props.drm_render_minor = +- gpu->shared_resources.drm_render_minor; +- +- kfd_fill_mem_clk_max_info(dev); +- kfd_fill_iolink_non_crat_info(dev); +- +- switch (dev->gpu->device_info->asic_family) { +- case CHIP_KAVERI: +- case CHIP_HAWAII: +- case CHIP_TONGA: +- dev->node_props.capability |= ((HSA_CAP_DOORBELL_TYPE_PRE_1_0 << +- HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT) & +- HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK); +- break; +- case CHIP_CARRIZO: +- case CHIP_FIJI: +- case CHIP_POLARIS10: +- case CHIP_POLARIS11: +- pr_debug("Adding doorbell packet type capability\n"); +- dev->node_props.capability |= ((HSA_CAP_DOORBELL_TYPE_1_0 << +- HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT) & +- HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK); +- break; +- case CHIP_VEGA10: +- case CHIP_RAVEN: +- dev->node_props.capability |= ((HSA_CAP_DOORBELL_TYPE_2_0 << +- HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT) & +- HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK); +- break; +- default: +- BUG(); +- } +- +- /* Fix errors in CZ CRAT. +- * simd_count: Carrizo CRAT reports wrong simd_count, probably because +- * it doesn't consider masked out CUs +- * max_waves_per_simd: Carrizo reports wrong max_waves_per_simd. +- * capability flag: Carrizo CRAT doesn't report IOMMU flags. ++ dev->node_props.location_id = (gpu->pdev->bus->number << 24) + ++ (gpu->pdev->devfn & 0xffffff); ++ /* ++ * TODO: Retrieve max engine clock values from KGD + */ ++ + if (dev->gpu->device_info->asic_family == CHIP_CARRIZO) { +- dev->node_props.simd_count = +- cu_info.simd_per_cu * cu_info.cu_active_number; +- dev->node_props.max_waves_per_simd = 10; +- dev->node_props.capability |= HSA_CAP_ATS_PRESENT; ++ dev->node_props.capability |= HSA_CAP_DOORBELL_PACKET_TYPE; ++ pr_info("Adding doorbell packet type capability\n"); + } + +- kfd_debug_print_topology(); ++ res = 0; + +- if (!res) +- kfd_notify_gpu_change(gpu_id, 1); + err: +- kfd_destroy_crat_image(crat_image); ++ up_write(&topology_lock); ++ ++ if (res == 0) ++ kfd_notify_gpu_change(gpu_id, 1); ++ + return res; + } + + int kfd_topology_remove_device(struct kfd_dev *gpu) + { +- struct kfd_topology_device *dev, *tmp; ++ struct kfd_topology_device *dev; + uint32_t gpu_id; + int res = -ENODEV; + + down_write(&topology_lock); + +- list_for_each_entry_safe(dev, tmp, &topology_device_list, list) ++ list_for_each_entry(dev, &topology_device_list, list) + if (dev->gpu == gpu) { + gpu_id = dev->gpu_id; + kfd_remove_sysfs_node_entry(dev); + kfd_release_topology_device(dev); +- sys_props.num_devices--; + res = 0; + if (kfd_topology_update_sysfs() < 0) + kfd_topology_release_sysfs(); +@@ -1380,26 +1207,22 @@ int kfd_topology_remove_device(struct kfd_dev *gpu) + return res; + } + +-/* kfd_topology_enum_kfd_devices - Enumerate through all devices in KFD +- * topology. If GPU device is found @idx, then valid kfd_dev pointer is +- * returned through @kdev +- * Return - 0: On success (@kdev will be NULL for non GPU nodes) +- * -1: If end of list ++/* ++ * When idx is out of bounds, the function will return NULL + */ +-int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev) ++struct kfd_dev *kfd_topology_enum_kfd_devices(uint8_t idx) + { + + struct kfd_topology_device *top_dev; ++ struct kfd_dev *device = NULL; + uint8_t device_idx = 0; + +- *kdev = NULL; + down_read(&topology_lock); + + list_for_each_entry(top_dev, &topology_device_list, list) { + if (device_idx == idx) { +- *kdev = top_dev->gpu; +- up_read(&topology_lock); +- return 0; ++ device = top_dev->gpu; ++ break; + } + + device_idx++; +@@ -1407,89 +1230,6 @@ int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev) + + up_read(&topology_lock); + +- return -1; +- +-} +- +-static int kfd_cpumask_to_apic_id(const struct cpumask *cpumask) +-{ +- int first_cpu_of_numa_node; +- +- if (!cpumask || (cpumask == cpu_none_mask)) +- return -1; +- first_cpu_of_numa_node = cpumask_first(cpumask); +- if (first_cpu_of_numa_node >= nr_cpu_ids) +- return -1; +-#ifdef CONFIG_X86_64 +- return cpu_data(first_cpu_of_numa_node).apicid; +-#else +- return first_cpu_of_numa_node; +-#endif +-} +- +-/* kfd_numa_node_to_apic_id - Returns the APIC ID of the first logical processor +- * of the given NUMA node (numa_node_id) +- * Return -1 on failure +- */ +-int kfd_numa_node_to_apic_id(int numa_node_id) +-{ +- if (numa_node_id == -1) { +- pr_warn("Invalid NUMA Node. Use online CPU mask\n"); +- return kfd_cpumask_to_apic_id(cpu_online_mask); +- } +- return kfd_cpumask_to_apic_id(cpumask_of_node(numa_node_id)); +-} +- +-#if defined(CONFIG_DEBUG_FS) +- +-int kfd_debugfs_hqds_by_device(struct seq_file *m, void *data) +-{ +- struct kfd_topology_device *dev; +- unsigned int i = 0; +- int r = 0; +- +- down_read(&topology_lock); +- +- list_for_each_entry(dev, &topology_device_list, list) { +- if (!dev->gpu) { +- i++; +- continue; +- } +- +- seq_printf(m, "Node %u, gpu_id %x:\n", i++, dev->gpu->id); +- r = device_queue_manager_debugfs_hqds(m, dev->gpu->dqm); +- if (r != 0) +- break; +- } +- +- up_read(&topology_lock); +- +- return r; +-} +- +-int kfd_debugfs_rls_by_device(struct seq_file *m, void *data) +-{ +- struct kfd_topology_device *dev; +- unsigned int i = 0; +- int r = 0; +- +- down_read(&topology_lock); +- +- list_for_each_entry(dev, &topology_device_list, list) { +- if (!dev->gpu) { +- i++; +- continue; +- } +- +- seq_printf(m, "Node %u, gpu_id %x:\n", i++, dev->gpu->id); +- r = pm_debugfs_runlist(m, &dev->gpu->dqm->packets); +- if (r != 0) +- break; +- } +- +- up_read(&topology_lock); ++ return device; + +- return r; + } +- +-#endif +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h +index d1c9ba3..c3ddb9b 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h +@@ -39,17 +39,8 @@ + #define HSA_CAP_WATCH_POINTS_SUPPORTED 0x00000080 + #define HSA_CAP_WATCH_POINTS_TOTALBITS_MASK 0x00000f00 + #define HSA_CAP_WATCH_POINTS_TOTALBITS_SHIFT 8 +-#define HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK 0x00003000 +-#define HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT 12 +-#define HSA_CAP_RESERVED 0xffffc000 +- +-#define HSA_CAP_DOORBELL_TYPE_PRE_1_0 0x0 +-#define HSA_CAP_DOORBELL_TYPE_1_0 0x1 +-#define HSA_CAP_DOORBELL_TYPE_2_0 0x2 +-#define HSA_CAP_WATCH_POINTS_TOTALBITS_MASK 0x00000f00 +-#define HSA_CAP_WATCH_POINTS_TOTALBITS_SHIFT 8 ++#define HSA_CAP_RESERVED 0xfffff000 + #define HSA_CAP_DOORBELL_PACKET_TYPE 0x00001000 +-#define HSA_CAP_AQL_QUEUE_DOUBLE_MAP 0x00004000 + + struct kfd_node_properties { + uint32_t cpu_cores_count; +@@ -75,7 +66,6 @@ struct kfd_node_properties { + uint32_t location_id; + uint32_t max_engine_clk_fcompute; + uint32_t max_engine_clk_ccompute; +- int32_t drm_render_minor; + uint16_t marketing_name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE]; + }; + +@@ -98,11 +88,11 @@ struct kfd_mem_properties { + uint32_t width; + uint32_t mem_clk_max; + struct kobject *kobj; +- struct kfd_dev *gpu; +- struct attribute attr_props; +- struct attribute attr_used; ++ struct attribute attr; + }; + ++#define KFD_TOPOLOGY_CPU_SIBLINGS 256 ++ + #define HSA_CACHE_TYPE_DATA 0x00000001 + #define HSA_CACHE_TYPE_INSTRUCTION 0x00000002 + #define HSA_CACHE_TYPE_CPU 0x00000004 +@@ -119,7 +109,7 @@ struct kfd_cache_properties { + uint32_t cache_assoc; + uint32_t cache_latency; + uint32_t cache_type; +- uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE]; ++ uint8_t sibling_map[KFD_TOPOLOGY_CPU_SIBLINGS]; + struct kobject *kobj; + struct attribute attr; + }; +@@ -142,36 +132,24 @@ struct kfd_iolink_properties { + struct attribute attr; + }; + +-struct kfd_perf_properties { +- struct list_head list; +- char block_name[16]; +- uint32_t max_concurrent; +- struct attribute_group *attr_group; +-}; +- + struct kfd_topology_device { + struct list_head list; + uint32_t gpu_id; +- uint32_t proximity_domain; + struct kfd_node_properties node_props; ++ uint32_t mem_bank_count; + struct list_head mem_props; + uint32_t cache_count; + struct list_head cache_props; + uint32_t io_link_count; + struct list_head io_link_props; +- struct list_head perf_props; + struct kfd_dev *gpu; + struct kobject *kobj_node; + struct kobject *kobj_mem; + struct kobject *kobj_cache; + struct kobject *kobj_iolink; +- struct kobject *kobj_perf; + struct attribute attr_gpuid; + struct attribute attr_name; + struct attribute attr_props; +- uint8_t oem_id[CRAT_OEMID_LENGTH]; +- uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH]; +- uint32_t oem_revision; + }; + + struct kfd_system_properties { +@@ -186,14 +164,6 @@ struct kfd_system_properties { + struct attribute attr_props; + }; + +-struct kfd_topology_device *kfd_create_topology_device( +- struct list_head *device_list); +-void kfd_release_topology_device_list(struct list_head *device_list); + +-#if defined(CONFIG_AMD_IOMMU_V2_MODULE) || defined(CONFIG_AMD_IOMMU_V2) +-extern bool amd_iommu_pc_supported(void); +-extern u8 amd_iommu_pc_get_max_banks(u16 devid); +-extern u8 amd_iommu_pc_get_max_counters(u16 devid); +-#endif + + #endif /* __KFD_TOPOLOGY_H__ */ +diff --git a/drivers/gpu/drm/amd/amdkfd/soc15_int.h b/drivers/gpu/drm/amd/amdkfd/soc15_int.h +deleted file mode 100644 +index e00d03d..0000000 +--- a/drivers/gpu/drm/amd/amdkfd/soc15_int.h ++++ /dev/null +@@ -1,84 +0,0 @@ +-/* +- * Copyright 2016 Advanced Micro Devices, Inc. +- * +- * Permission is hereby granted, free of charge, to any person obtaining a +- * copy of this software and associated documentation files (the "Software"), +- * to deal in the Software without restriction, including without limitation +- * the rights to use, copy, modify, merge, publish, distribute, sublicense, +- * and/or sell copies of the Software, and to permit persons to whom the +- * Software is furnished to do so, subject to the following conditions: +- * +- * The above copyright notice and this permission notice shall be included in +- * all copies or substantial portions of the Software. +- * +- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR +- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +- * OTHER DEALINGS IN THE SOFTWARE. +- */ +- +-#ifndef HSA_SOC15_INT_H_INCLUDED +-#define HSA_SOC15_INT_H_INCLUDED +-/* +- * vega10+ IH clients +- */ +-enum soc15_ih_client_id { +- SOC15_IH_CLIENTID_IH = 0x00, +- SOC15_IH_CLIENTID_ACP = 0x01, +- SOC15_IH_CLIENTID_ATHUB = 0x02, +- SOC15_IH_CLIENTID_BIF = 0x03, +- SOC15_IH_CLIENTID_DCE = 0x04, +- SOC15_IH_CLIENTID_ISP = 0x05, +- SOC15_IH_CLIENTID_PCIE0 = 0x06, +- SOC15_IH_CLIENTID_RLC = 0x07, +- SOC15_IH_CLIENTID_SDMA0 = 0x08, +- SOC15_IH_CLIENTID_SDMA1 = 0x09, +- SOC15_IH_CLIENTID_SE0SH = 0x0a, +- SOC15_IH_CLIENTID_SE1SH = 0x0b, +- SOC15_IH_CLIENTID_SE2SH = 0x0c, +- SOC15_IH_CLIENTID_SE3SH = 0x0d, +- SOC15_IH_CLIENTID_SYSHUB = 0x0e, +- SOC15_IH_CLIENTID_THM = 0x0f, +- SOC15_IH_CLIENTID_UVD = 0x10, +- SOC15_IH_CLIENTID_VCE0 = 0x11, +- SOC15_IH_CLIENTID_VMC = 0x12, +- SOC15_IH_CLIENTID_XDMA = 0x13, +- SOC15_IH_CLIENTID_GRBM_CP = 0x14, +- SOC15_IH_CLIENTID_ATS = 0x15, +- SOC15_IH_CLIENTID_ROM_SMUIO = 0x16, +- SOC15_IH_CLIENTID_DF = 0x17, +- SOC15_IH_CLIENTID_VCE1 = 0x18, +- SOC15_IH_CLIENTID_PWR = 0x19, +- SOC15_IH_CLIENTID_UTCL2 = 0x1b, +- SOC15_IH_CLIENTID_EA = 0x1c, +- SOC15_IH_CLIENTID_UTCL2LOG = 0x1d, +- SOC15_IH_CLIENTID_MP0 = 0x1e, +- SOC15_IH_CLIENTID_MP1 = 0x1f, +- +- SOC15_IH_CLIENTID_MAX +-}; +- +- +-#define SOC15_INTSRC_CP_END_OF_PIPE 181 +-#define SOC15_INTSRC_CP_BAD_OPCODE 183 +-#define SOC15_INTSRC_SQ_INTERRUPT_MSG 239 +-#define SOC15_INTSRC_VMC_FAULT 0 +-#define SOC15_INTSRC_SDMA_TRAP 224 +- +- +-#define SOC15_CLIENT_ID_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[0]) & 0xff) +-#define SOC15_SOURCE_ID_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[0]) >> 8 & 0xff) +-#define SOC15_RING_ID_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[0]) >> 16 & 0xff) +-#define SOC15_VMID_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[0]) >> 24 & 0xf) +-#define SOC15_VMID_TYPE_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[0]) >> 31 & 0x1) +-#define SOC15_PASID_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[3]) & 0xffff) +-#define SOC15_CONTEXT_ID0_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[4])) +-#define SOC15_CONTEXT_ID1_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[5])) +-#define SOC15_CONTEXT_ID2_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[6])) +-#define SOC15_CONTEXT_ID3_FROM_IH_ENTRY(entry) (le32_to_cpu(entry[7])) +- +-#endif +- +-- +2.7.4 + |