Commit 62902b88 authored by YiPeng Chai's avatar YiPeng Chai Committed by Alex Deucher
Browse files

drm/amdgpu: ras module supports error injection 



ras module supports error injection.

Signed-off-by: default avatarYiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: default avatarTao Zhou <tao.zhou1@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 25c1e741

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

+24 −0
Original line number Diff line number Diff line
@@ -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;