drm/amdgpu: add RAS poison consumption handler for AI SRIOV

Send message to host and host will handle it. v2: split the patch into two parts, one is for mxgpu ai and another one is for common poison consumption handler. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
mariux64 · Dec 15, 2022 · 8ede944 · 8ede944
1 parent 331ea5d
commit 8ede944
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diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -88,6 +88,7 @@ struct amdgpu_virt_ops {
 	int (*wait_reset)(struct amdgpu_device *adev);
 	void (*trans_msg)(struct amdgpu_device *adev, enum idh_request req,
 			  u32 data1, u32 data2, u32 data3);
+	void (*ras_poison_handler)(struct amdgpu_device *adev);
 };
 
 /*

diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
@@ -404,11 +404,17 @@ static int xgpu_ai_request_init_data(struct amdgpu_device *adev)
 	return xgpu_ai_send_access_requests(adev, IDH_REQ_GPU_INIT_DATA);
 }
 
+static void xgpu_ai_ras_poison_handler(struct amdgpu_device *adev)
+{
+	xgpu_ai_send_access_requests(adev, IDH_RAS_POISON);
+}
+
 const struct amdgpu_virt_ops xgpu_ai_virt_ops = {
 	.req_full_gpu	= xgpu_ai_request_full_gpu_access,
 	.rel_full_gpu	= xgpu_ai_release_full_gpu_access,
 	.reset_gpu = xgpu_ai_request_reset,
 	.wait_reset = NULL,
 	.trans_msg = xgpu_ai_mailbox_trans_msg,
 	.req_init_data  = xgpu_ai_request_init_data,
+	.ras_poison_handler = xgpu_ai_ras_poison_handler,
 };
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h
@@ -39,6 +39,7 @@ enum idh_request {
 
 	IDH_LOG_VF_ERROR       = 200,
 	IDH_READY_TO_RESET 	= 201,
+	IDH_RAS_POISON  = 202,
 };
 
 enum idh_event {