diff options
| author | Xiang Liu <xiang.liu@amd.com> | 2025-08-19 08:06:24 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-09-18 16:43:10 +0300 |
| commit | 1ed511fb760848e3ccdcb936f4257c094e95a43c (patch) | |
| tree | 73fa8a2e06df5389e6fe51a5c09726527e2a4bce /drivers/gpu/drm/amd/amdgpu | |
| parent | 4bfa8609934dbf39bbe6e75b4f971469384b50b1 (diff) | |
| download | linux-1ed511fb760848e3ccdcb936f4257c094e95a43c.tar.xz | |
drm/amdgpu: Check VF critical region before RAS poison injection
Check VF critical region before RAS poison injection to ensure that the
poison injection will not hit the VF critical region.
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')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 663b96583bfd..e0ee21150860 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -219,10 +219,17 @@ static int amdgpu_check_address_validity(struct amdgpu_device *adev, struct amdgpu_vram_block_info blk_info; uint64_t page_pfns[32] = {0}; int i, ret, count; + bool hit = false; if (amdgpu_ip_version(adev, UMC_HWIP, 0) < IP_VERSION(12, 0, 0)) return 0; + if (amdgpu_sriov_vf(adev)) { + if (amdgpu_virt_check_vf_critical_region(adev, address, &hit)) + return -EPERM; + return hit ? -EACCES : 0; + } + if ((address >= adev->gmc.mc_vram_size) || (address >= RAS_UMC_INJECT_ADDR_LIMIT)) return -EFAULT; |