diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0046-amd_hsmp-Add-HSMP-protocol-version-5-messages.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0046-amd_hsmp-Add-HSMP-protocol-version-5-messages.patch | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0046-amd_hsmp-Add-HSMP-protocol-version-5-messages.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0046-amd_hsmp-Add-HSMP-protocol-version-5-messages.patch new file mode 100644 index 00000000..53b3825b --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0046-amd_hsmp-Add-HSMP-protocol-version-5-messages.patch @@ -0,0 +1,167 @@ +From 3ed57aeb5c0fd7c47af56459c8abff1effa758bd Mon Sep 17 00:00:00 2001 +From: Suma Hegde <suma.hegde@amd.com> +Date: Wed, 27 Apr 2022 20:52:48 +0530 +Subject: [PATCH 46/86] amd_hsmp: Add HSMP protocol version 5 messages + +commit 830fe3c30dffe0b9f9485772070c29fcd8c2473d upstream + +HSMP protocol version 5 is supported on AMD family 19h model 10h +EPYC processors. This version brings new features such as +-- DIMM statistics +-- Bandwidth for IO and xGMI links +-- Monitor socket and core frequency limits +-- Configure power efficiency modes, DF pstate range etc + +Signed-off-by: Suma Hegde <suma.hegde@amd.com> +Reviewed-by: Carlos Bilbao <carlos.bilbao@amd.com> +Signed-off-by: Naveen Krishna Chatradhi <nchatrad@amd.com> +Link: https://lore.kernel.org/r/20220427152248.25643-1-nchatrad@amd.com +Reviewed-by: Hans de Goede <hdegoede@redhat.com> +Signed-off-by: Hans de Goede <hdegoede@redhat.com> +Signed-off-by: Zhaolong Zhang <zhaolong.zhang@windriver.com> +--- + arch/x86/include/uapi/asm/amd_hsmp.h | 114 +++++++++++++++++++++++++-- + 1 file changed, 109 insertions(+), 5 deletions(-) + +diff --git a/arch/x86/include/uapi/asm/amd_hsmp.h b/arch/x86/include/uapi/asm/amd_hsmp.h +index 7ee7ba0d63a3..769b939444ae 100644 +--- a/arch/x86/include/uapi/asm/amd_hsmp.h ++++ b/arch/x86/include/uapi/asm/amd_hsmp.h +@@ -31,9 +31,22 @@ enum hsmp_message_ids { + HSMP_GET_CCLK_THROTTLE_LIMIT, /* 10h Get CCLK frequency limit in socket */ + HSMP_GET_C0_PERCENT, /* 11h Get average C0 residency in socket */ + HSMP_SET_NBIO_DPM_LEVEL, /* 12h Set max/min LCLK DPM Level for a given NBIO */ +- /* 13h Reserved */ +- HSMP_GET_DDR_BANDWIDTH = 0x14, /* 14h Get theoretical maximum and current DDR Bandwidth */ +- HSMP_GET_TEMP_MONITOR, /* 15h Get per-DIMM temperature and refresh rates */ ++ HSMP_GET_NBIO_DPM_LEVEL, /* 13h Get LCLK DPM level min and max for a given NBIO */ ++ HSMP_GET_DDR_BANDWIDTH, /* 14h Get theoretical maximum and current DDR Bandwidth */ ++ HSMP_GET_TEMP_MONITOR, /* 15h Get socket temperature */ ++ HSMP_GET_DIMM_TEMP_RANGE, /* 16h Get per-DIMM temperature range and refresh rate */ ++ HSMP_GET_DIMM_POWER, /* 17h Get per-DIMM power consumption */ ++ HSMP_GET_DIMM_THERMAL, /* 18h Get per-DIMM thermal sensors */ ++ HSMP_GET_SOCKET_FREQ_LIMIT, /* 19h Get current active frequency per socket */ ++ HSMP_GET_CCLK_CORE_LIMIT, /* 1Ah Get CCLK frequency limit per core */ ++ HSMP_GET_RAILS_SVI, /* 1Bh Get SVI-based Telemetry for all rails */ ++ HSMP_GET_SOCKET_FMAX_FMIN, /* 1Ch Get Fmax and Fmin per socket */ ++ HSMP_GET_IOLINK_BANDWITH, /* 1Dh Get current bandwidth on IO Link */ ++ HSMP_GET_XGMI_BANDWITH, /* 1Eh Get current bandwidth on xGMI Link */ ++ HSMP_SET_GMI3_WIDTH, /* 1Fh Set max and min GMI3 Link width */ ++ HSMP_SET_PCI_RATE, /* 20h Control link rate on PCIe devices */ ++ HSMP_SET_POWER_MODE, /* 21h Select power efficiency profile policy */ ++ HSMP_SET_PSTATE_MAX_MIN, /* 22h Set the max and min DF P-State */ + HSMP_MSG_ID_MAX, + }; + +@@ -175,8 +188,12 @@ static const struct hsmp_msg_desc hsmp_msg_desc_table[] = { + */ + {1, 0, HSMP_SET}, + +- /* RESERVED message */ +- {0, 0, HSMP_RSVD}, ++ /* ++ * HSMP_GET_NBIO_DPM_LEVEL, num_args = 1, response_sz = 1 ++ * input: args[0] = nbioid[23:16] ++ * output: args[0] = max dpm level[15:8] + min dpm level[7:0] ++ */ ++ {1, 1, HSMP_GET}, + + /* + * HSMP_GET_DDR_BANDWIDTH, num_args = 0, response_sz = 1 +@@ -191,6 +208,93 @@ static const struct hsmp_msg_desc hsmp_msg_desc_table[] = { + * [7:5] fractional part + */ + {0, 1, HSMP_GET}, ++ ++ /* ++ * HSMP_GET_DIMM_TEMP_RANGE, num_args = 1, response_sz = 1 ++ * input: args[0] = DIMM address[7:0] ++ * output: args[0] = refresh rate[3] + temperature range[2:0] ++ */ ++ {1, 1, HSMP_GET}, ++ ++ /* ++ * HSMP_GET_DIMM_POWER, num_args = 1, response_sz = 1 ++ * input: args[0] = DIMM address[7:0] ++ * output: args[0] = DIMM power in mW[31:17] + update rate in ms[16:8] + ++ * DIMM address[7:0] ++ */ ++ {1, 1, HSMP_GET}, ++ ++ /* ++ * HSMP_GET_DIMM_THERMAL, num_args = 1, response_sz = 1 ++ * input: args[0] = DIMM address[7:0] ++ * output: args[0] = temperature in degree celcius[31:21] + update rate in ms[16:8] + ++ * DIMM address[7:0] ++ */ ++ {1, 1, HSMP_GET}, ++ ++ /* ++ * HSMP_GET_SOCKET_FREQ_LIMIT, num_args = 0, response_sz = 1 ++ * output: args[0] = frequency in MHz[31:16] + frequency source[15:0] ++ */ ++ {0, 1, HSMP_GET}, ++ ++ /* ++ * HSMP_GET_CCLK_CORE_LIMIT, num_args = 1, response_sz = 1 ++ * input: args[0] = apic id [31:0] ++ * output: args[0] = frequency in MHz[31:0] ++ */ ++ {1, 1, HSMP_GET}, ++ ++ /* ++ * HSMP_GET_RAILS_SVI, num_args = 0, response_sz = 1 ++ * output: args[0] = power in mW[31:0] ++ */ ++ {0, 1, HSMP_GET}, ++ ++ /* ++ * HSMP_GET_SOCKET_FMAX_FMIN, num_args = 0, response_sz = 1 ++ * output: args[0] = fmax in MHz[31:16] + fmin in MHz[15:0] ++ */ ++ {0, 1, HSMP_GET}, ++ ++ /* ++ * HSMP_GET_IOLINK_BANDWITH, num_args = 1, response_sz = 1 ++ * input: args[0] = link id[15:8] + bw type[2:0] ++ * output: args[0] = io bandwidth in Mbps[31:0] ++ */ ++ {1, 1, HSMP_GET}, ++ ++ /* ++ * HSMP_GET_XGMI_BANDWITH, num_args = 1, response_sz = 1 ++ * input: args[0] = link id[15:8] + bw type[2:0] ++ * output: args[0] = xgmi bandwidth in Mbps[31:0] ++ */ ++ {1, 1, HSMP_GET}, ++ ++ /* ++ * HSMP_SET_GMI3_WIDTH, num_args = 1, response_sz = 0 ++ * input: args[0] = min link width[15:8] + max link width[7:0] ++ */ ++ {1, 0, HSMP_SET}, ++ ++ /* ++ * HSMP_SET_PCI_RATE, num_args = 1, response_sz = 1 ++ * input: args[0] = link rate control value ++ * output: args[0] = previous link rate control value ++ */ ++ {1, 1, HSMP_SET}, ++ ++ /* ++ * HSMP_SET_POWER_MODE, num_args = 1, response_sz = 0 ++ * input: args[0] = power efficiency mode[2:0] ++ */ ++ {1, 0, HSMP_SET}, ++ ++ /* ++ * HSMP_SET_PSTATE_MAX_MIN, num_args = 1, response_sz = 0 ++ * input: args[0] = min df pstate[15:8] + max df pstate[7:0] ++ */ ++ {1, 0, HSMP_SET}, + }; + + /* Reset to default packing */ +-- +2.37.3 + |