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| author | Alex Deucher <alexander.deucher@amd.com> | 2020-10-06 23:54:35 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-10-06 00:49:39 +0300 |
| commit | 7a41ed8b59ba74ae36adc7f4688feff9e710cf76 (patch) | |
| tree | ff893d4a068196d39880df3103f6f2b39a1a4082 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | |
| parent | 9cff0879aefeca6eba586f02cad337e409e4f2b0 (diff) | |
| download | linux-7a41ed8b59ba74ae36adc7f4688feff9e710cf76.tar.xz | |
drm/amdgpu: add new INFO ioctl query for the last GPU page fault
Add a interface to query the last GPU page fault for the process.
Useful for debugging context lost errors.
v2: split vmhub representation between kernel and userspace
v3: add locking when fetching fault info in INFO IOCTL
Mesa MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23238
libdrm MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23238
Cc: samuel.pitoiset@gmail.com
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index 2bf328d9e04b..411d42fecfb6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -124,9 +124,16 @@ struct amdgpu_mem_stats; * layout: max 8 GFXHUB + 4 MMHUB0 + 1 MMHUB1 */ #define AMDGPU_MAX_VMHUBS 13 -#define AMDGPU_GFXHUB(x) (x) -#define AMDGPU_MMHUB0(x) (8 + x) -#define AMDGPU_MMHUB1(x) (8 + 4 + x) +#define AMDGPU_GFXHUB_START 0 +#define AMDGPU_MMHUB0_START 8 +#define AMDGPU_MMHUB1_START 12 +#define AMDGPU_GFXHUB(x) (AMDGPU_GFXHUB_START + (x)) +#define AMDGPU_MMHUB0(x) (AMDGPU_MMHUB0_START + (x)) +#define AMDGPU_MMHUB1(x) (AMDGPU_MMHUB1_START + (x)) + +#define AMDGPU_IS_GFXHUB(x) ((x) >= AMDGPU_GFXHUB_START && (x) < AMDGPU_MMHUB0_START) +#define AMDGPU_IS_MMHUB0(x) ((x) >= AMDGPU_MMHUB0_START && (x) < AMDGPU_MMHUB1_START) +#define AMDGPU_IS_MMHUB1(x) ((x) >= AMDGPU_MMHUB1_START && (x) < AMDGPU_MAX_VMHUBS) /* Reserve 2MB at top/bottom of address space for kernel use */ #define AMDGPU_VA_RESERVED_SIZE (2ULL << 20) |