74 	/* Direct submission to the ring buffer during init and reset. */
97 	/* sync_seq is protected by ring emission lock */
111 void amdgpu_fence_driver_force_completion(struct amdgpu_ring *ring);
113 int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring,
115 int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
120 int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **fence,
122 int amdgpu_fence_emit_polling(struct amdgpu_ring *ring, uint32_t *s,
124 bool amdgpu_fence_process(struct amdgpu_ring *ring);
125 int amdgpu_fence_wait_empty(struct amdgpu_ring *ring);
126 signed long amdgpu_fence_wait_polling(struct amdgpu_ring *ring,
129 unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring);
135 /* provided by hw blocks that expose a ring buffer for commands */
145 	/* ring read/write ptr handling */
146 	u64 (*get_rptr)(struct amdgpu_ring *ring);
147 	u64 (*get_wptr)(struct amdgpu_ring *ring);
148 	void (*set_wptr)(struct amdgpu_ring *ring);
156 	void (*emit_ib)(struct amdgpu_ring *ring,
160 	void (*emit_fence)(struct amdgpu_ring *ring, uint64_t addr,
162 	void (*emit_pipeline_sync)(struct amdgpu_ring *ring);
163 	void (*emit_vm_flush)(struct amdgpu_ring *ring, unsigned vmid,
165 	void (*emit_hdp_flush)(struct amdgpu_ring *ring);
166 	void (*emit_gds_switch)(struct amdgpu_ring *ring, uint32_t vmid,
171 	int (*test_ring)(struct amdgpu_ring *ring);
172 	int (*test_ib)(struct amdgpu_ring *ring, long timeout);
174 	void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count);
175 	void (*insert_start)(struct amdgpu_ring *ring);
176 	void (*insert_end)(struct amdgpu_ring *ring);
178 	void (*pad_ib)(struct amdgpu_ring *ring, struct amdgpu_ib *ib);
179 	unsigned (*init_cond_exec)(struct amdgpu_ring *ring);
180 	void (*patch_cond_exec)(struct amdgpu_ring *ring, unsigned offset);
182 	void (*begin_use)(struct amdgpu_ring *ring);
183 	void (*end_use)(struct amdgpu_ring *ring);
184 	void (*emit_switch_buffer) (struct amdgpu_ring *ring);
185 	void (*emit_cntxcntl) (struct amdgpu_ring *ring, uint32_t flags);
186 	void (*emit_rreg)(struct amdgpu_ring *ring, uint32_t reg,
188 	void (*emit_wreg)(struct amdgpu_ring *ring, uint32_t reg, uint32_t val);
189 	void (*emit_reg_wait)(struct amdgpu_ring *ring, uint32_t reg,
191 	void (*emit_reg_write_reg_wait)(struct amdgpu_ring *ring,
194 	void (*emit_frame_cntl)(struct amdgpu_ring *ring, bool start,
196 	/* Try to soft recover the ring to make the fence signal */
197 	void (*soft_recovery)(struct amdgpu_ring *ring, unsigned vmid);
198 	int (*preempt_ib)(struct amdgpu_ring *ring);
199 	void (*emit_mem_sync)(struct amdgpu_ring *ring);
209 	volatile uint32_t	*ring;  member
281 int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw);
282 void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count);
283 void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib);
284 void amdgpu_ring_commit(struct amdgpu_ring *ring);
285 void amdgpu_ring_undo(struct amdgpu_ring *ring);
286 int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
289 void amdgpu_ring_fini(struct amdgpu_ring *ring);
290 void amdgpu_ring_emit_reg_write_reg_wait_helper(struct amdgpu_ring *ring,
293 bool amdgpu_ring_soft_recovery(struct amdgpu_ring *ring, unsigned int vmid,
296 static inline void amdgpu_ring_set_preempt_cond_exec(struct amdgpu_ring *ring,  in amdgpu_ring_set_preempt_cond_exec()  argument
299 	*ring->cond_exe_cpu_addr = cond_exec;  in amdgpu_ring_set_preempt_cond_exec()
302 static inline void amdgpu_ring_clear_ring(struct amdgpu_ring *ring)  in amdgpu_ring_clear_ring()  argument
305 	while (i <= ring->buf_mask)  in amdgpu_ring_clear_ring()
306 		ring->ring[i++] = ring->funcs->nop;  in amdgpu_ring_clear_ring()
310 static inline void amdgpu_ring_write(struct amdgpu_ring *ring, uint32_t v)  in amdgpu_ring_write()  argument
312 	if (ring->count_dw <= 0)  in amdgpu_ring_write()
313 		DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");  in amdgpu_ring_write()
314 	ring->ring[ring->wptr++ & ring->buf_mask] = v;  in amdgpu_ring_write()
315 	ring->wptr &= ring->ptr_mask;  in amdgpu_ring_write()
316 	ring->count_dw--;  in amdgpu_ring_write()
319 static inline void amdgpu_ring_write_multiple(struct amdgpu_ring *ring,  in amdgpu_ring_write_multiple()  argument
325 	if (unlikely(ring->count_dw < count_dw))  in amdgpu_ring_write_multiple()
326 		DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");  in amdgpu_ring_write_multiple()
328 	occupied = ring->wptr & ring->buf_mask;  in amdgpu_ring_write_multiple()
329 	dst = (void *)&ring->ring[occupied];  in amdgpu_ring_write_multiple()
330 	chunk1 = ring->buf_mask + 1 - occupied;  in amdgpu_ring_write_multiple()
341 		dst = (void *)ring->ring;  in amdgpu_ring_write_multiple()
345 	ring->wptr += count_dw;  in amdgpu_ring_write_multiple()
346 	ring->wptr &= ring->ptr_mask;  in amdgpu_ring_write_multiple()
347 	ring->count_dw -= count_dw;  in amdgpu_ring_write_multiple()
350 int amdgpu_ring_test_helper(struct amdgpu_ring *ring);
353 			     struct amdgpu_ring *ring);
354 void amdgpu_debugfs_ring_fini(struct amdgpu_ring *ring);