drm/amdgpu/mes: add definitions of ip callback function

Abstract mes ip independent function layer.
Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h

@@ -24,8 +24,62 @@
 #ifndef __AMDGPU_MES_H__
 #define __AMDGPU_MES_H__
 
+struct amdgpu_mes_funcs;
+
 struct amdgpu_mes {
+	struct amdgpu_adev *adev;
+
+	/* ip specific functions */
+	struct amdgpu_mes_funcs *funcs;
+};
+
+struct mes_add_queue_input {
+	uint32_t	process_id;
+	uint64_t	page_table_base_addr;
+	uint64_t	process_va_start;
+	uint64_t	process_va_end;
+	uint64_t	process_quantum;
+	uint64_t	process_context_addr;
+	uint64_t	gang_quantum;
+	uint64_t	gang_context_addr;
+	uint32_t	inprocess_gang_priority;
+	uint32_t	gang_global_priority_level;
+	uint32_t	doorbell_offset;
+	uint64_t	mqd_addr;
+	uint64_t	wptr_addr;
+	uint32_t	queue_type;
+	uint32_t	paging;
+};
+
+struct mes_remove_queue_input {
+	uint32_t	doorbell_offset;
+	uint64_t	gang_context_addr;
+};
+
+struct mes_suspend_gang_input {
+	bool		suspend_all_gangs;
+	uint64_t	gang_context_addr;
+	uint64_t	suspend_fence_addr;
+	uint32_t	suspend_fence_value;
+};
+
+struct mes_resume_gang_input {
+	bool		resume_all_gangs;
+	uint64_t	gang_context_addr;
+};
+
+struct amdgpu_mes_funcs {
+	int (*add_hw_queue)(struct amdgpu_mes *mes,
+			    struct mes_add_queue_input *input);
+
+	int (*remove_hw_queue)(struct amdgpu_mes *mes,
+			       struct mes_remove_queue_input *input);
+
+	int (*suspend_gang)(struct amdgpu_mes *mes,
+			    struct mes_suspend_gang_input *input);
 
+	int (*resume_gang)(struct amdgpu_mes *mes,
+			   struct mes_resume_gang_input *input);
 };
 
 #endif /* __AMDGPU_MES_H__ */