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

Send handling request to host.
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>

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

@@ -426,6 +426,11 @@ void xgpu_nv_mailbox_put_irq(struct amdgpu_device *adev)
 	amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0);
 }
 
+static void xgpu_nv_ras_poison_handler(struct amdgpu_device *adev)
+{
+	xgpu_nv_send_access_requests(adev, IDH_RAS_POISON);
+}
+
 const struct amdgpu_virt_ops xgpu_nv_virt_ops = {
 	.req_full_gpu	= xgpu_nv_request_full_gpu_access,
 	.rel_full_gpu	= xgpu_nv_release_full_gpu_access,
@@ -433,4 +438,5 @@ const struct amdgpu_virt_ops xgpu_nv_virt_ops = {
 	.reset_gpu = xgpu_nv_request_reset,
 	.wait_reset = NULL,
 	.trans_msg = xgpu_nv_mailbox_trans_msg,
+	.ras_poison_handler = xgpu_nv_ras_poison_handler,
 };

drivers/gpu/drm/amd/amdgpu/mxgpu_nv.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 {