drm/amdgpu: ras module supports error injection

ras module supports error injection.

Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 60b42c652e7eeb8172a34dc773deb15d689bb617..22398a1f1ab7075a92253a3fe01123b914ca1954 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1597,6 +1597,27 @@ int amdgpu_ras_reset_error_status(struct amdgpu_device *adev,
        return 0;
 }
 
+static int amdgpu_uniras_error_inject(struct amdgpu_device *adev,
+               struct ras_inject_if *info)
+{
+       struct ras_cmd_inject_error_req inject_req;
+       struct ras_cmd_inject_error_rsp rsp;
+
+       if (!info)
+               return -EINVAL;
+
+       memset(&inject_req, 0, sizeof(inject_req));
+       inject_req.block_id = info->head.block;
+       inject_req.subblock_id = info->head.sub_block_index;
+       inject_req.address = info->address;
+       inject_req.error_type = info->head.type;
+       inject_req.instance_mask = info->instance_mask;
+       inject_req.value = info->value;
+
+       return amdgpu_ras_mgr_handle_ras_cmd(adev, RAS_CMD__INJECT_ERROR,
+                       &inject_req, sizeof(inject_req), &rsp, sizeof(rsp));
+}
+
 /* wrapper of psp_ras_trigger_error */
 int amdgpu_ras_error_inject(struct amdgpu_device *adev,
                struct ras_inject_if *info)
@@ -1614,6 +1635,9 @@ int amdgpu_ras_error_inject(struct amdgpu_device *adev,
                                                        info->head.block,
                                                        info->head.sub_block_index);
 
+       if (amdgpu_uniras_enabled(adev))
+               return amdgpu_uniras_error_inject(adev, info);
+
        /* inject on guest isn't allowed, return success directly */
        if (amdgpu_sriov_vf(adev))
                return 0;