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drm/amdgpu: add ioctl query for enabled ras features (v2) 

Add a query for userspace to check which RAS features
are enabled.

v2: squash in warning fix

Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
xinhui pan 2018-12-17 15:09:07 +08:00 committed by Alex Deucher
parent ae363a212b
commit 5cb771143e
2 changed files with 41 additions and 0 deletions
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10
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
View File

@ -39,6 +39,7 @@
#include "amdgpu_amdkfd.h"
#include "amdgpu_gem.h"
#include "amdgpu_display.h"
#include "amdgpu_ras.h"
static void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
{
@ -919,6 +920,15 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
case AMDGPU_INFO_VRAM_LOST_COUNTER:
ui32 = atomic_read(&adev->vram_lost_counter);
return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
if (!ras)
return -EINVAL;
return copy_to_user(out, &ras->features,
min_t(u32, size, sizeof(ras->features))) ?
-EFAULT : 0;
}
default:
DRM_DEBUG_KMS("Invalid request %d\n", info->query);
return -EINVAL;

31
include/uapi/drm/amdgpu_drm.h
View File

@ -737,6 +737,37 @@ struct drm_amdgpu_cs_chunk_data {
/* Number of VRAM page faults on CPU access. */
#define AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS 0x1E
#define AMDGPU_INFO_VRAM_LOST_COUNTER 0x1F
/* query ras mask of enabled features*/
#define AMDGPU_INFO_RAS_ENABLED_FEATURES 0x20
/* RAS MASK: UMC (VRAM) */
#define AMDGPU_INFO_RAS_ENABLED_UMC (1 << 0)
/* RAS MASK: SDMA */
#define AMDGPU_INFO_RAS_ENABLED_SDMA (1 << 1)
/* RAS MASK: GFX */
#define AMDGPU_INFO_RAS_ENABLED_GFX (1 << 2)
/* RAS MASK: MMHUB */
#define AMDGPU_INFO_RAS_ENABLED_MMHUB (1 << 3)
/* RAS MASK: ATHUB */
#define AMDGPU_INFO_RAS_ENABLED_ATHUB (1 << 4)
/* RAS MASK: PCIE */
#define AMDGPU_INFO_RAS_ENABLED_PCIE (1 << 5)
/* RAS MASK: HDP */
#define AMDGPU_INFO_RAS_ENABLED_HDP (1 << 6)
/* RAS MASK: XGMI */
#define AMDGPU_INFO_RAS_ENABLED_XGMI (1 << 7)
/* RAS MASK: DF */
#define AMDGPU_INFO_RAS_ENABLED_DF (1 << 8)
/* RAS MASK: SMN */
#define AMDGPU_INFO_RAS_ENABLED_SMN (1 << 9)
/* RAS MASK: SEM */
#define AMDGPU_INFO_RAS_ENABLED_SEM (1 << 10)
/* RAS MASK: MP0 */
#define AMDGPU_INFO_RAS_ENABLED_MP0 (1 << 11)
/* RAS MASK: MP1 */
#define AMDGPU_INFO_RAS_ENABLED_MP1 (1 << 12)
/* RAS MASK: FUSE */
#define AMDGPU_INFO_RAS_ENABLED_FUSE (1 << 13)
#define AMDGPU_INFO_MMR_SE_INDEX_SHIFT 0
#define AMDGPU_INFO_MMR_SE_INDEX_MASK 0xff