diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index 0bb8cbe0dcc0..13f0cdeb59c4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -1323,6 +1323,9 @@ static int amdgpu_virt_req_ras_err_count_internal(struct amdgpu_device *adev, bo { struct amdgpu_virt *virt = &adev->virt; + if (!virt->ops || !virt->ops->req_ras_err_count) + return -EOPNOTSUPP; + /* Host allows 15 ras telemetry requests per 60 seconds. Afterwhich, the Host * will ignore incoming guest messages. Ratelimit the guest messages to * prevent guest self DOS. @@ -1378,14 +1381,16 @@ amdgpu_virt_write_cpers_to_ring(struct amdgpu_device *adev, used_size = host_telemetry->header.used_size; if (used_size > (AMD_SRIOV_RAS_TELEMETRY_SIZE_KB << 10)) - return 0; + return -EINVAL; cper_dump = kmemdup(&host_telemetry->body.cper_dump, used_size, GFP_KERNEL); if (!cper_dump) return -ENOMEM; - if (checksum != amd_sriov_msg_checksum(cper_dump, used_size, 0, 0)) + if (checksum != amd_sriov_msg_checksum(cper_dump, used_size, 0, 0)) { + ret = -EINVAL; goto out; + } *more = cper_dump->more; @@ -1425,7 +1430,7 @@ static int amdgpu_virt_req_ras_cper_dump_internal(struct amdgpu_device *adev) int ret = 0; uint32_t more = 0; - if (!amdgpu_sriov_ras_cper_en(adev)) + if (!virt->ops || !virt->ops->req_ras_cper_dump) return -EOPNOTSUPP; do { @@ -1434,7 +1439,7 @@ static int amdgpu_virt_req_ras_cper_dump_internal(struct amdgpu_device *adev) adev, virt->fw_reserve.ras_telemetry, &more); else ret = 0; - } while (more); + } while (more && !ret); return ret; } @@ -1444,6 +1449,9 @@ int amdgpu_virt_req_ras_cper_dump(struct amdgpu_device *adev, bool force_update) struct amdgpu_virt *virt = &adev->virt; int ret = 0; + if (!amdgpu_sriov_ras_cper_en(adev)) + return -EOPNOTSUPP; + if ((__ratelimit(&virt->ras.ras_cper_dump_rs) || force_update) && down_read_trylock(&adev->reset_domain->sem)) { mutex_lock(&virt->ras.ras_telemetry_mutex); @@ -1480,3 +1488,16 @@ bool amdgpu_virt_ras_telemetry_block_en(struct amdgpu_device *adev, return true; } + +/* + * amdgpu_virt_request_bad_pages() - request bad pages + * @adev: amdgpu device. + * Send command to GPU hypervisor to write new bad pages into the shared PF2VF region + */ +void amdgpu_virt_request_bad_pages(struct amdgpu_device *adev) +{ + struct amdgpu_virt *virt = &adev->virt; + + if (virt->ops && virt->ops->req_bad_pages) + virt->ops->req_bad_pages(adev); +} |