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Commit 6d15ca0a authored by Shaoyun Liu's avatar Shaoyun Liu Committed by Oded Gabbay
Browse files

drm/amd: Add gpu reset interfaces between amdgpu and amdkfd 



Signed-off-by: default avatarShaoyun Liu <Shaoyun.Liu@amd.com>
Reviewed-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Acked-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarOded Gabbay <oded.gabbay@gmail.com>
parent 58e69886

drivers/gpu/drm/amd/include/kgd_kfd_interface.h

+10 −0
Original line number Diff line number Diff line
@@ -280,6 +280,8 @@ struct tile_config { 
 * IH ring entry. This function allows the KFD ISR to get the VMID

 * from the fault status register as early as possible.

 *

 * @gpu_recover: let kgd reset gpu after kfd detect CPC hang

 *

 * This structure contains function pointers to services that the kgd driver

 * provides to amdkfd driver.

 *
@@ -399,6 +401,8 @@ struct kfd2kgd_calls { 
	int (*get_vm_fault_info)(struct kgd_dev *kgd,

			struct kfd_vm_fault_info *info);

	uint32_t (*read_vmid_from_vmfault_reg)(struct kgd_dev *kgd);



	void (*gpu_recover)(struct kgd_dev *kgd);

};



/**
@@ -424,6 +428,10 @@ struct kfd2kgd_calls { 
 * @schedule_evict_and_restore_process: Schedules work queue that will prepare

 * for safe eviction of KFD BOs that belong to the specified process.

 *

 * @pre_reset: Notifies amdkfd that amdgpu about to reset the gpu

 *

 * @post_reset: Notify amdkfd that amgpu successfully reseted the gpu

 *

 * This structure contains function callback pointers so the kgd driver

 * will notify to the amdkfd about certain status changes.

 *
@@ -442,6 +450,8 @@ struct kgd2kfd_calls { 
	int (*resume_mm)(struct mm_struct *mm);

	int (*schedule_evict_and_restore_process)(struct mm_struct *mm,

			struct dma_fence *fence);

	int  (*pre_reset)(struct kfd_dev *kfd);

	int  (*post_reset)(struct kfd_dev *kfd);

};



int kgd2kfd_init(unsigned interface_version,