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drm/amdgpu: ras module supports error injection

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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>
This commit is contained in:
YiPeng Chai
2025-10-14 15:30:58 +08:00
committed by Alex Deucher
parent 25c1e7414b
commit 62902b88ff
1 changed files with 24 additions and 0 deletions
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24
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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@@ -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;