1  /*
2   * Copyright 2016 Advanced Micro Devices, Inc.
3   *
4   * Permission is hereby granted, free of charge, to any person obtaining a
5   * copy of this software and associated documentation files (the "Software"),
6   * to deal in the Software without restriction, including without limitation
7   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8   * and/or sell copies of the Software, and to permit persons to whom the
9   * Software is furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17   * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18   * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19   * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20   * OTHER DEALINGS IN THE SOFTWARE.
21   *
22   * Authors: Christian König
23   */
24  #ifndef __AMDGPU_RING_H__
25  #define __AMDGPU_RING_H__
26  
27  #include <drm/amdgpu_drm.h>
28  #include <drm/gpu_scheduler.h>
29  #include <drm/drm_print.h>
30  #include <drm/drm_suballoc.h>
31  
32  struct amdgpu_device;
33  struct amdgpu_ring;
34  struct amdgpu_ib;
35  struct amdgpu_cs_parser;
36  struct amdgpu_job;
37  struct amdgpu_vm;
38  
39  /* max number of rings */
40  #define AMDGPU_MAX_RINGS		124
41  #define AMDGPU_MAX_HWIP_RINGS		64
42  #define AMDGPU_MAX_GFX_RINGS		2
43  #define AMDGPU_MAX_SW_GFX_RINGS         2
44  #define AMDGPU_MAX_COMPUTE_RINGS	8
45  #define AMDGPU_MAX_VCE_RINGS		3
46  #define AMDGPU_MAX_UVD_ENC_RINGS	2
47  #define AMDGPU_MAX_VPE_RINGS		2
48  
49  enum amdgpu_ring_priority_level {
50  	AMDGPU_RING_PRIO_0,
51  	AMDGPU_RING_PRIO_1,
52  	AMDGPU_RING_PRIO_DEFAULT = 1,
53  	AMDGPU_RING_PRIO_2,
54  	AMDGPU_RING_PRIO_MAX
55  };
56  
57  /* some special values for the owner field */
58  #define AMDGPU_FENCE_OWNER_UNDEFINED	((void *)0ul)
59  #define AMDGPU_FENCE_OWNER_VM		((void *)1ul)
60  #define AMDGPU_FENCE_OWNER_KFD		((void *)2ul)
61  
62  #define AMDGPU_FENCE_FLAG_64BIT         (1 << 0)
63  #define AMDGPU_FENCE_FLAG_INT           (1 << 1)
64  #define AMDGPU_FENCE_FLAG_TC_WB_ONLY    (1 << 2)
65  #define AMDGPU_FENCE_FLAG_EXEC          (1 << 3)
66  
67  #define to_amdgpu_ring(s) container_of((s), struct amdgpu_ring, sched)
68  
69  #define AMDGPU_IB_POOL_SIZE	(1024 * 1024)
70  
71  enum amdgpu_ring_type {
72  	AMDGPU_RING_TYPE_GFX		= AMDGPU_HW_IP_GFX,
73  	AMDGPU_RING_TYPE_COMPUTE	= AMDGPU_HW_IP_COMPUTE,
74  	AMDGPU_RING_TYPE_SDMA		= AMDGPU_HW_IP_DMA,
75  	AMDGPU_RING_TYPE_UVD		= AMDGPU_HW_IP_UVD,
76  	AMDGPU_RING_TYPE_VCE		= AMDGPU_HW_IP_VCE,
77  	AMDGPU_RING_TYPE_UVD_ENC	= AMDGPU_HW_IP_UVD_ENC,
78  	AMDGPU_RING_TYPE_VCN_DEC	= AMDGPU_HW_IP_VCN_DEC,
79  	AMDGPU_RING_TYPE_VCN_ENC	= AMDGPU_HW_IP_VCN_ENC,
80  	AMDGPU_RING_TYPE_VCN_JPEG	= AMDGPU_HW_IP_VCN_JPEG,
81  	AMDGPU_RING_TYPE_VPE		= AMDGPU_HW_IP_VPE,
82  	AMDGPU_RING_TYPE_KIQ,
83  	AMDGPU_RING_TYPE_MES,
84  	AMDGPU_RING_TYPE_UMSCH_MM,
85  };
86  
87  enum amdgpu_ib_pool_type {
88  	/* Normal submissions to the top of the pipeline. */
89  	AMDGPU_IB_POOL_DELAYED,
90  	/* Immediate submissions to the bottom of the pipeline. */
91  	AMDGPU_IB_POOL_IMMEDIATE,
92  	/* Direct submission to the ring buffer during init and reset. */
93  	AMDGPU_IB_POOL_DIRECT,
94  
95  	AMDGPU_IB_POOL_MAX
96  };
97  
98  struct amdgpu_ib {
99  	struct drm_suballoc		*sa_bo;
100  	uint32_t			length_dw;
101  	uint64_t			gpu_addr;
102  	uint32_t			*ptr;
103  	uint32_t			flags;
104  };
105  
106  struct amdgpu_sched {
107  	u32				num_scheds;
108  	struct drm_gpu_scheduler	*sched[AMDGPU_MAX_HWIP_RINGS];
109  };
110  
111  /*
112   * Fences.
113   */
114  struct amdgpu_fence_driver {
115  	uint64_t			gpu_addr;
116  	volatile uint32_t		*cpu_addr;
117  	/* sync_seq is protected by ring emission lock */
118  	uint32_t			sync_seq;
119  	atomic_t			last_seq;
120  	bool				initialized;
121  	struct amdgpu_irq_src		*irq_src;
122  	unsigned			irq_type;
123  	struct timer_list		fallback_timer;
124  	unsigned			num_fences_mask;
125  	spinlock_t			lock;
126  	struct dma_fence		**fences;
127  };
128  
129  extern const struct drm_sched_backend_ops amdgpu_sched_ops;
130  
131  void amdgpu_fence_driver_clear_job_fences(struct amdgpu_ring *ring);
132  void amdgpu_fence_driver_set_error(struct amdgpu_ring *ring, int error);
133  void amdgpu_fence_driver_force_completion(struct amdgpu_ring *ring);
134  
135  int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring);
136  int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
137  				   struct amdgpu_irq_src *irq_src,
138  				   unsigned irq_type);
139  void amdgpu_fence_driver_hw_init(struct amdgpu_device *adev);
140  void amdgpu_fence_driver_hw_fini(struct amdgpu_device *adev);
141  int amdgpu_fence_driver_sw_init(struct amdgpu_device *adev);
142  void amdgpu_fence_driver_sw_fini(struct amdgpu_device *adev);
143  int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **fence, struct amdgpu_job *job,
144  		      unsigned flags);
145  int amdgpu_fence_emit_polling(struct amdgpu_ring *ring, uint32_t *s,
146  			      uint32_t timeout);
147  bool amdgpu_fence_process(struct amdgpu_ring *ring);
148  int amdgpu_fence_wait_empty(struct amdgpu_ring *ring);
149  signed long amdgpu_fence_wait_polling(struct amdgpu_ring *ring,
150  				      uint32_t wait_seq,
151  				      signed long timeout);
152  unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring);
153  
154  void amdgpu_fence_driver_isr_toggle(struct amdgpu_device *adev, bool stop);
155  
156  u64 amdgpu_fence_last_unsignaled_time_us(struct amdgpu_ring *ring);
157  void amdgpu_fence_update_start_timestamp(struct amdgpu_ring *ring, uint32_t seq,
158  					 ktime_t timestamp);
159  
160  /*
161   * Rings.
162   */
163  
164  /* provided by hw blocks that expose a ring buffer for commands */
165  struct amdgpu_ring_funcs {
166  	enum amdgpu_ring_type	type;
167  	uint32_t		align_mask;
168  	u32			nop;
169  	bool			support_64bit_ptrs;
170  	bool			no_user_fence;
171  	bool			secure_submission_supported;
172  	unsigned		extra_dw;
173  
174  	/* ring read/write ptr handling */
175  	u64 (*get_rptr)(struct amdgpu_ring *ring);
176  	u64 (*get_wptr)(struct amdgpu_ring *ring);
177  	void (*set_wptr)(struct amdgpu_ring *ring);
178  	/* validating and patching of IBs */
179  	int (*parse_cs)(struct amdgpu_cs_parser *p,
180  			struct amdgpu_job *job,
181  			struct amdgpu_ib *ib);
182  	int (*patch_cs_in_place)(struct amdgpu_cs_parser *p,
183  				 struct amdgpu_job *job,
184  				 struct amdgpu_ib *ib);
185  	/* constants to calculate how many DW are needed for an emit */
186  	unsigned emit_frame_size;
187  	unsigned emit_ib_size;
188  	/* command emit functions */
189  	void (*emit_ib)(struct amdgpu_ring *ring,
190  			struct amdgpu_job *job,
191  			struct amdgpu_ib *ib,
192  			uint32_t flags);
193  	void (*emit_fence)(struct amdgpu_ring *ring, uint64_t addr,
194  			   uint64_t seq, unsigned flags);
195  	void (*emit_pipeline_sync)(struct amdgpu_ring *ring);
196  	void (*emit_vm_flush)(struct amdgpu_ring *ring, unsigned vmid,
197  			      uint64_t pd_addr);
198  	void (*emit_hdp_flush)(struct amdgpu_ring *ring);
199  	void (*emit_gds_switch)(struct amdgpu_ring *ring, uint32_t vmid,
200  				uint32_t gds_base, uint32_t gds_size,
201  				uint32_t gws_base, uint32_t gws_size,
202  				uint32_t oa_base, uint32_t oa_size);
203  	/* testing functions */
204  	int (*test_ring)(struct amdgpu_ring *ring);
205  	int (*test_ib)(struct amdgpu_ring *ring, long timeout);
206  	/* insert NOP packets */
207  	void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count);
208  	void (*insert_start)(struct amdgpu_ring *ring);
209  	void (*insert_end)(struct amdgpu_ring *ring);
210  	/* pad the indirect buffer to the necessary number of dw */
211  	void (*pad_ib)(struct amdgpu_ring *ring, struct amdgpu_ib *ib);
212  	unsigned (*init_cond_exec)(struct amdgpu_ring *ring, uint64_t addr);
213  	/* note usage for clock and power gating */
214  	void (*begin_use)(struct amdgpu_ring *ring);
215  	void (*end_use)(struct amdgpu_ring *ring);
216  	void (*emit_switch_buffer) (struct amdgpu_ring *ring);
217  	void (*emit_cntxcntl) (struct amdgpu_ring *ring, uint32_t flags);
218  	void (*emit_gfx_shadow)(struct amdgpu_ring *ring, u64 shadow_va, u64 csa_va,
219  				u64 gds_va, bool init_shadow, int vmid);
220  	void (*emit_rreg)(struct amdgpu_ring *ring, uint32_t reg,
221  			  uint32_t reg_val_offs);
222  	void (*emit_wreg)(struct amdgpu_ring *ring, uint32_t reg, uint32_t val);
223  	void (*emit_reg_wait)(struct amdgpu_ring *ring, uint32_t reg,
224  			      uint32_t val, uint32_t mask);
225  	void (*emit_reg_write_reg_wait)(struct amdgpu_ring *ring,
226  					uint32_t reg0, uint32_t reg1,
227  					uint32_t ref, uint32_t mask);
228  	void (*emit_frame_cntl)(struct amdgpu_ring *ring, bool start,
229  				bool secure);
230  	/* Try to soft recover the ring to make the fence signal */
231  	void (*soft_recovery)(struct amdgpu_ring *ring, unsigned vmid);
232  	int (*preempt_ib)(struct amdgpu_ring *ring);
233  	void (*emit_mem_sync)(struct amdgpu_ring *ring);
234  	void (*emit_wave_limit)(struct amdgpu_ring *ring, bool enable);
235  	void (*patch_cntl)(struct amdgpu_ring *ring, unsigned offset);
236  	void (*patch_ce)(struct amdgpu_ring *ring, unsigned offset);
237  	void (*patch_de)(struct amdgpu_ring *ring, unsigned offset);
238  	int (*reset)(struct amdgpu_ring *ring, unsigned int vmid);
239  	void (*emit_cleaner_shader)(struct amdgpu_ring *ring);
240  };
241  
242  struct amdgpu_ring {
243  	struct amdgpu_device		*adev;
244  	const struct amdgpu_ring_funcs	*funcs;
245  	struct amdgpu_fence_driver	fence_drv;
246  	struct drm_gpu_scheduler	sched;
247  
248  	struct amdgpu_bo	*ring_obj;
249  	volatile uint32_t	*ring;
250  	unsigned		rptr_offs;
251  	u64			rptr_gpu_addr;
252  	volatile u32		*rptr_cpu_addr;
253  	u64			wptr;
254  	u64			wptr_old;
255  	unsigned		ring_size;
256  	unsigned		max_dw;
257  	int			count_dw;
258  	uint64_t		gpu_addr;
259  	uint64_t		ptr_mask;
260  	uint32_t		buf_mask;
261  	u32			idx;
262  	u32			xcc_id;
263  	u32			xcp_id;
264  	u32			me;
265  	u32			pipe;
266  	u32			queue;
267  	struct amdgpu_bo	*mqd_obj;
268  	uint64_t                mqd_gpu_addr;
269  	void                    *mqd_ptr;
270  	unsigned                mqd_size;
271  	uint64_t                eop_gpu_addr;
272  	u32			doorbell_index;
273  	bool			use_doorbell;
274  	bool			use_pollmem;
275  	unsigned		wptr_offs;
276  	u64			wptr_gpu_addr;
277  	volatile u32		*wptr_cpu_addr;
278  	unsigned		fence_offs;
279  	u64			fence_gpu_addr;
280  	volatile u32		*fence_cpu_addr;
281  	uint64_t		current_ctx;
282  	char			name[16];
283  	u32                     trail_seq;
284  	unsigned		trail_fence_offs;
285  	u64			trail_fence_gpu_addr;
286  	volatile u32		*trail_fence_cpu_addr;
287  	unsigned		cond_exe_offs;
288  	u64			cond_exe_gpu_addr;
289  	volatile u32		*cond_exe_cpu_addr;
290  	unsigned int		set_q_mode_offs;
291  	volatile u32		*set_q_mode_ptr;
292  	u64			set_q_mode_token;
293  	unsigned		vm_hub;
294  	unsigned		vm_inv_eng;
295  	struct dma_fence	*vmid_wait;
296  	bool			has_compute_vm_bug;
297  	bool			no_scheduler;
298  	int			hw_prio;
299  	unsigned 		num_hw_submission;
300  	atomic_t		*sched_score;
301  
302  	/* used for mes */
303  	bool			is_mes_queue;
304  	uint32_t		hw_queue_id;
305  	struct amdgpu_mes_ctx_data *mes_ctx;
306  
307  	bool            is_sw_ring;
308  	unsigned int    entry_index;
309  
310  };
311  
312  #define amdgpu_ring_parse_cs(r, p, job, ib) ((r)->funcs->parse_cs((p), (job), (ib)))
313  #define amdgpu_ring_patch_cs_in_place(r, p, job, ib) ((r)->funcs->patch_cs_in_place((p), (job), (ib)))
314  #define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r))
315  #define amdgpu_ring_test_ib(r, t) ((r)->funcs->test_ib ? (r)->funcs->test_ib((r), (t)) : 0)
316  #define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r))
317  #define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r))
318  #define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r))
319  #define amdgpu_ring_emit_ib(r, job, ib, flags) ((r)->funcs->emit_ib((r), (job), (ib), (flags)))
320  #define amdgpu_ring_emit_pipeline_sync(r) (r)->funcs->emit_pipeline_sync((r))
321  #define amdgpu_ring_emit_vm_flush(r, vmid, addr) (r)->funcs->emit_vm_flush((r), (vmid), (addr))
322  #define amdgpu_ring_emit_fence(r, addr, seq, flags) (r)->funcs->emit_fence((r), (addr), (seq), (flags))
323  #define amdgpu_ring_emit_gds_switch(r, v, db, ds, wb, ws, ab, as) (r)->funcs->emit_gds_switch((r), (v), (db), (ds), (wb), (ws), (ab), (as))
324  #define amdgpu_ring_emit_hdp_flush(r) (r)->funcs->emit_hdp_flush((r))
325  #define amdgpu_ring_emit_switch_buffer(r) (r)->funcs->emit_switch_buffer((r))
326  #define amdgpu_ring_emit_cntxcntl(r, d) (r)->funcs->emit_cntxcntl((r), (d))
327  #define amdgpu_ring_emit_gfx_shadow(r, s, c, g, i, v) ((r)->funcs->emit_gfx_shadow((r), (s), (c), (g), (i), (v)))
328  #define amdgpu_ring_emit_rreg(r, d, o) (r)->funcs->emit_rreg((r), (d), (o))
329  #define amdgpu_ring_emit_wreg(r, d, v) (r)->funcs->emit_wreg((r), (d), (v))
330  #define amdgpu_ring_emit_reg_wait(r, d, v, m) (r)->funcs->emit_reg_wait((r), (d), (v), (m))
331  #define amdgpu_ring_emit_reg_write_reg_wait(r, d0, d1, v, m) (r)->funcs->emit_reg_write_reg_wait((r), (d0), (d1), (v), (m))
332  #define amdgpu_ring_emit_frame_cntl(r, b, s) (r)->funcs->emit_frame_cntl((r), (b), (s))
333  #define amdgpu_ring_pad_ib(r, ib) ((r)->funcs->pad_ib((r), (ib)))
334  #define amdgpu_ring_init_cond_exec(r, a) (r)->funcs->init_cond_exec((r), (a))
335  #define amdgpu_ring_preempt_ib(r) (r)->funcs->preempt_ib(r)
336  #define amdgpu_ring_patch_cntl(r, o) ((r)->funcs->patch_cntl((r), (o)))
337  #define amdgpu_ring_patch_ce(r, o) ((r)->funcs->patch_ce((r), (o)))
338  #define amdgpu_ring_patch_de(r, o) ((r)->funcs->patch_de((r), (o)))
339  #define amdgpu_ring_reset(r, v) (r)->funcs->reset((r), (v))
340  
341  unsigned int amdgpu_ring_max_ibs(enum amdgpu_ring_type type);
342  int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw);
343  void amdgpu_ring_ib_begin(struct amdgpu_ring *ring);
344  void amdgpu_ring_ib_end(struct amdgpu_ring *ring);
345  void amdgpu_ring_ib_on_emit_cntl(struct amdgpu_ring *ring);
346  void amdgpu_ring_ib_on_emit_ce(struct amdgpu_ring *ring);
347  void amdgpu_ring_ib_on_emit_de(struct amdgpu_ring *ring);
348  
349  void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count);
350  void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib);
351  void amdgpu_ring_commit(struct amdgpu_ring *ring);
352  void amdgpu_ring_undo(struct amdgpu_ring *ring);
353  int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
354  		     unsigned int max_dw, struct amdgpu_irq_src *irq_src,
355  		     unsigned int irq_type, unsigned int hw_prio,
356  		     atomic_t *sched_score);
357  void amdgpu_ring_fini(struct amdgpu_ring *ring);
358  void amdgpu_ring_emit_reg_write_reg_wait_helper(struct amdgpu_ring *ring,
359  						uint32_t reg0, uint32_t val0,
360  						uint32_t reg1, uint32_t val1);
361  bool amdgpu_ring_soft_recovery(struct amdgpu_ring *ring, unsigned int vmid,
362  			       struct dma_fence *fence);
363  
amdgpu_ring_set_preempt_cond_exec(struct amdgpu_ring * ring,bool cond_exec)364  static inline void amdgpu_ring_set_preempt_cond_exec(struct amdgpu_ring *ring,
365  							bool cond_exec)
366  {
367  	*ring->cond_exe_cpu_addr = cond_exec;
368  }
369  
amdgpu_ring_clear_ring(struct amdgpu_ring * ring)370  static inline void amdgpu_ring_clear_ring(struct amdgpu_ring *ring)
371  {
372  	int i = 0;
373  	while (i <= ring->buf_mask)
374  		ring->ring[i++] = ring->funcs->nop;
375  
376  }
377  
amdgpu_ring_write(struct amdgpu_ring * ring,uint32_t v)378  static inline void amdgpu_ring_write(struct amdgpu_ring *ring, uint32_t v)
379  {
380  	if (ring->count_dw <= 0)
381  		DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
382  	ring->ring[ring->wptr++ & ring->buf_mask] = v;
383  	ring->wptr &= ring->ptr_mask;
384  	ring->count_dw--;
385  }
386  
amdgpu_ring_write_multiple(struct amdgpu_ring * ring,void * src,int count_dw)387  static inline void amdgpu_ring_write_multiple(struct amdgpu_ring *ring,
388  					      void *src, int count_dw)
389  {
390  	unsigned occupied, chunk1, chunk2;
391  	void *dst;
392  
393  	if (unlikely(ring->count_dw < count_dw))
394  		DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
395  
396  	occupied = ring->wptr & ring->buf_mask;
397  	dst = (void *)&ring->ring[occupied];
398  	chunk1 = ring->buf_mask + 1 - occupied;
399  	chunk1 = (chunk1 >= count_dw) ? count_dw : chunk1;
400  	chunk2 = count_dw - chunk1;
401  	chunk1 <<= 2;
402  	chunk2 <<= 2;
403  
404  	if (chunk1)
405  		memcpy(dst, src, chunk1);
406  
407  	if (chunk2) {
408  		src += chunk1;
409  		dst = (void *)ring->ring;
410  		memcpy(dst, src, chunk2);
411  	}
412  
413  	ring->wptr += count_dw;
414  	ring->wptr &= ring->ptr_mask;
415  	ring->count_dw -= count_dw;
416  }
417  
418  /**
419   * amdgpu_ring_patch_cond_exec - patch dw count of conditional execute
420   * @ring: amdgpu_ring structure
421   * @offset: offset returned by amdgpu_ring_init_cond_exec
422   *
423   * Calculate the dw count and patch it into a cond_exec command.
424   */
amdgpu_ring_patch_cond_exec(struct amdgpu_ring * ring,unsigned int offset)425  static inline void amdgpu_ring_patch_cond_exec(struct amdgpu_ring *ring,
426  					       unsigned int offset)
427  {
428  	unsigned cur;
429  
430  	if (!ring->funcs->init_cond_exec)
431  		return;
432  
433  	WARN_ON(offset > ring->buf_mask);
434  	WARN_ON(ring->ring[offset] != 0);
435  
436  	cur = (ring->wptr - 1) & ring->buf_mask;
437  	if (cur < offset)
438  		cur += ring->ring_size >> 2;
439  	ring->ring[offset] = cur - offset;
440  }
441  
442  #define amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset)			\
443  	(ring->is_mes_queue && ring->mes_ctx ?				\
444  	 (ring->mes_ctx->meta_data_gpu_addr + offset) : 0)
445  
446  #define amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset)			\
447  	(ring->is_mes_queue && ring->mes_ctx ?				\
448  	 (void *)((uint8_t *)(ring->mes_ctx->meta_data_ptr) + offset) : \
449  	 NULL)
450  
451  int amdgpu_ring_test_helper(struct amdgpu_ring *ring);
452  
453  void amdgpu_debugfs_ring_init(struct amdgpu_device *adev,
454  			      struct amdgpu_ring *ring);
455  
456  int amdgpu_ring_init_mqd(struct amdgpu_ring *ring);
457  
amdgpu_ib_get_value(struct amdgpu_ib * ib,int idx)458  static inline u32 amdgpu_ib_get_value(struct amdgpu_ib *ib, int idx)
459  {
460  	return ib->ptr[idx];
461  }
462  
amdgpu_ib_set_value(struct amdgpu_ib * ib,int idx,uint32_t value)463  static inline void amdgpu_ib_set_value(struct amdgpu_ib *ib, int idx,
464  				       uint32_t value)
465  {
466  	ib->ptr[idx] = value;
467  }
468  
469  int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
470  		  unsigned size,
471  		  enum amdgpu_ib_pool_type pool,
472  		  struct amdgpu_ib *ib);
473  void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
474  		    struct dma_fence *f);
475  int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
476  		       struct amdgpu_ib *ibs, struct amdgpu_job *job,
477  		       struct dma_fence **f);
478  int amdgpu_ib_pool_init(struct amdgpu_device *adev);
479  void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
480  int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
481  bool amdgpu_ring_sched_ready(struct amdgpu_ring *ring);
482  #endif
483