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drm/amdgpu: Introduce VF critical region check for RAS poison injection

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The SRIOV guest send requet to host to check whether the poison
injection address is in VF critical region or not via mabox.

Signed-off-by: Xiang Liu <xiang.liu@amd.com>
Reviewed-by: Shravan Kumar Gande <Shravankumar.Gande@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Xiang Liu
2025-08-19 12:51:28 +08:00
committed by Alex Deucher
parent 18f769ff36
commit f1fdeb3d07
5 changed files with 79 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
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@@ -98,6 +98,7 @@ struct amdgpu_virt_ops {
int (*req_ras_err_count)(struct amdgpu_device *adev);
int (*req_ras_cper_dump)(struct amdgpu_device *adev, u64 vf_rptr);
int (*req_bad_pages)(struct amdgpu_device *adev);
int (*req_ras_chk_criti)(struct amdgpu_device *adev, u64 addr);
};
/*
@@ -252,6 +253,7 @@ struct amdgpu_virt_ras_err_handler_data {
struct amdgpu_virt_ras {
struct ratelimit_state ras_error_cnt_rs;
struct ratelimit_state ras_cper_dump_rs;
struct ratelimit_state ras_chk_criti_rs;
struct mutex ras_telemetry_mutex;
uint64_t cper_rptr;
};
@@ -453,4 +455,5 @@ int amdgpu_virt_ras_telemetry_post_reset(struct amdgpu_device *adev);
bool amdgpu_virt_ras_telemetry_block_en(struct amdgpu_device *adev,
enum amdgpu_ras_block block);
void amdgpu_virt_request_bad_pages(struct amdgpu_device *adev);
int amdgpu_virt_check_vf_critical_region(struct amdgpu_device *adev, u64 addr, bool *hit);
#endif