[PATCH 1/7] drm/amdgpu: add RAS poison consumption handler for AI SRIOV

[Tao Zhou]

Send message to host and host will handle it.

v2: split it into two parts, one for mxgpu ai and another one for common
poison consumption handler.

Signed-off-by: Tao Zhou <tao.zhou1 at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 1 +
 drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c    | 6 ++++++
 drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h    | 1 +
 3 files changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
index 2b9d806e23af..b9e9480448af 100644
--- 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
index 12906ba74462..63725b2ebc03 100644
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
@@ -404,6 +404,11 @@ 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,
@@ -411,4 +416,5 @@ const struct amdgpu_virt_ops xgpu_ai_virt_ops = {
 	.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
index fa7e13e0459e..af1a784696bd 100644
--- 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 {
-- 
2.35.1