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authorXiang Liu <xiang.liu@amd.com>2025-08-19 12:51:28 +0800
committerAlex Deucher <alexander.deucher@amd.com>2025-09-18 09:43:02 -0400
commitf1fdeb3d07a4c2dcfc8cf0e20c0bddb68e8bc607 (patch)
tree81ff168d8741e837c94cd8c5a9579ffbf2061eed /drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
parent18f769ff368c6b133a41b44ae673c329eb5d9f46 (diff)
drm/amdgpu: Introduce VF critical region check for RAS poison injection
The SRIOV guest send requet to host to check whether the poison injection address is in VF critical region or not via mabox. Signed-off-by: Xiang Liu <xiang.liu@amd.com> Reviewed-by: Shravan Kumar Gande <Shravankumar.Gande@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
index 457972aa5632..e5282a5d05d9 100644
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
@@ -202,6 +202,9 @@ send_request:
case IDH_REQ_RAS_CPER_DUMP:
event = IDH_RAS_CPER_DUMP_READY;
break;
+ case IDH_REQ_RAS_CHK_CRITI:
+ event = IDH_REQ_RAS_CHK_CRITI_READY;
+ break;
default:
break;
}
@@ -556,6 +559,16 @@ static int xgpu_nv_req_ras_bad_pages(struct amdgpu_device *adev)
return xgpu_nv_send_access_requests(adev, IDH_REQ_RAS_BAD_PAGES);
}
+static int xgpu_nv_check_vf_critical_region(struct amdgpu_device *adev, u64 addr)
+{
+ uint32_t addr_hi, addr_lo;
+
+ addr_hi = (uint32_t)(addr >> 32);
+ addr_lo = (uint32_t)(addr & 0xFFFFFFFF);
+ return xgpu_nv_send_access_requests_with_param(
+ adev, IDH_REQ_RAS_CHK_CRITI, addr_hi, addr_lo, 0);
+}
+
const struct amdgpu_virt_ops xgpu_nv_virt_ops = {
.req_full_gpu = xgpu_nv_request_full_gpu_access,
.rel_full_gpu = xgpu_nv_release_full_gpu_access,
@@ -569,4 +582,5 @@ const struct amdgpu_virt_ops xgpu_nv_virt_ops = {
.req_ras_err_count = xgpu_nv_req_ras_err_count,
.req_ras_cper_dump = xgpu_nv_req_ras_cper_dump,
.req_bad_pages = xgpu_nv_req_ras_bad_pages,
+ .req_ras_chk_criti = xgpu_nv_check_vf_critical_region
};