From: xinhui pan <xinhui....@amd.com>
Add a query for userspace to check which RAS features
are enabled.
v2: squash in warning fix
Signed-off-by: xinhui pan <xinhui....@amd.com>
Reviewed-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 10 ++++++++
include/uapi/drm/amdgpu_drm.h | 31 +++++++++++++++++++++++++
2 files changed, 41 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 4d0ccca891cb..df40f35db89c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -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;
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 722598b25f37..e3a97da4add9 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -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
--
2.20.1
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