diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0136-drm-amdkfd-Implement-wave-control-debugger-IOCTL.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0136-drm-amdkfd-Implement-wave-control-debugger-IOCTL.patch | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/common/recipes-kernel/linux/files/0136-drm-amdkfd-Implement-wave-control-debugger-IOCTL.patch b/common/recipes-kernel/linux/files/0136-drm-amdkfd-Implement-wave-control-debugger-IOCTL.patch deleted file mode 100644 index 4fd0b780..00000000 --- a/common/recipes-kernel/linux/files/0136-drm-amdkfd-Implement-wave-control-debugger-IOCTL.patch +++ /dev/null @@ -1,120 +0,0 @@ -From 9448458998e27be7fcb9ebc58200be45a6429451 Mon Sep 17 00:00:00 2001 -From: Yair Shachar <yair.shachar@amd.com> -Date: Wed, 20 May 2015 14:09:24 +0300 -Subject: [PATCH 0136/1050] drm/amdkfd: Implement wave control debugger IOCTL - -v2: - -- rename get_dbgmgr_mutex to kfd_get_dbgmgr_mutex to namespace it -- change void* to uint64_t inside ioctl arguments -- use kmalloc instead of kzalloc because we use copy_from_user - immediately after it - -Signed-off-by: Yair Shachar <yair.shachar@amd.com> -Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com> ---- - drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 88 +++++++++++++++++++++++++++++++- - 1 file changed, 87 insertions(+), 1 deletion(-) - -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c -index 54a3e29..9e5261d 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c -@@ -537,7 +537,93 @@ static int kfd_ioctl_dbg_address_watch(struct file *filep, - static int kfd_ioctl_dbg_wave_control(struct file *filep, - struct kfd_process *p, void *data) - { -- long status = -EFAULT; -+ struct kfd_ioctl_dbg_wave_control_args *args = data; -+ struct kfd_dev *dev; -+ struct dbg_wave_control_info wac_info; -+ unsigned char *args_buff; -+ uint32_t computed_buff_size; -+ long status; -+ void __user *cmd_from_user; -+ unsigned int args_idx = 0; -+ -+ memset((void *) &wac_info, 0, sizeof(struct dbg_wave_control_info)); -+ -+ /* we use compact form, independent of the packing attribute value */ -+ computed_buff_size = sizeof(*args) + -+ sizeof(wac_info.mode) + -+ sizeof(wac_info.operand) + -+ sizeof(wac_info.dbgWave_msg.DbgWaveMsg) + -+ sizeof(wac_info.dbgWave_msg.MemoryVA) + -+ sizeof(wac_info.trapId); -+ -+ dev = kfd_device_by_id(args->gpu_id); -+ if (dev == NULL) -+ 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", -+ args->buf_size_in_bytes, computed_buff_size); -+ return -EINVAL; -+ } -+ -+ cmd_from_user = (void __user *) args->content_ptr; -+ -+ if (cmd_from_user == NULL) -+ return -EINVAL; -+ -+ /* this is the actual buffer to work with */ -+ -+ args_buff = kmalloc(args->buf_size_in_bytes - sizeof(*args), -+ GFP_KERNEL); -+ -+ if (args_buff == NULL) -+ return -ENOMEM; -+ -+ /* Now copy the entire buffer from user */ -+ status = copy_from_user(args_buff, cmd_from_user, -+ args->buf_size_in_bytes - sizeof(*args)); -+ if (status != 0) { -+ pr_debug("Failed to copy wave control user data\n"); -+ kfree(args_buff); -+ return -EINVAL; -+ } -+ -+ /* move ptr to the start of the "pay-load" area */ -+ wac_info.process = p; -+ -+ wac_info.operand = *((enum HSA_DBG_WAVEOP *)(&args_buff[args_idx])); -+ args_idx += sizeof(wac_info.operand); -+ -+ wac_info.mode = *((enum HSA_DBG_WAVEMODE *)(&args_buff[args_idx])); -+ args_idx += sizeof(wac_info.mode); -+ -+ wac_info.trapId = *((uint32_t *)(&args_buff[args_idx])); -+ args_idx += sizeof(wac_info.trapId); -+ -+ wac_info.dbgWave_msg.DbgWaveMsg.WaveMsgInfoGen2.Value = -+ *((uint32_t *)(&args_buff[args_idx])); -+ wac_info.dbgWave_msg.MemoryVA = NULL; -+ -+ mutex_lock(kfd_get_dbgmgr_mutex()); -+ -+ pr_debug("Calling dbg manager process %p, operand %u, mode %u, trapId %u, message %u\n", -+ wac_info.process, wac_info.operand, -+ wac_info.mode, wac_info.trapId, -+ wac_info.dbgWave_msg.DbgWaveMsg.WaveMsgInfoGen2.Value); -+ -+ status = kfd_dbgmgr_wave_control(dev->dbgmgr, &wac_info); -+ -+ pr_debug("Returned status of dbg manager is %ld\n", status); -+ -+ mutex_unlock(kfd_get_dbgmgr_mutex()); -+ -+ kfree(args_buff); - - return status; - } --- -1.9.1 - |