52 				    struct amdgpu_ring *ring);
53 static void amdgpu_debugfs_ring_fini(struct amdgpu_ring *ring);
65 int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw)  in amdgpu_ring_alloc()  argument
69 	ndw = (ndw + ring->funcs->align_mask) & ~ring->funcs->align_mask;  in amdgpu_ring_alloc()
74 	if (WARN_ON_ONCE(ndw > ring->max_dw))  in amdgpu_ring_alloc()
77 	ring->count_dw = ndw;  in amdgpu_ring_alloc()
78 	ring->wptr_old = ring->wptr;  in amdgpu_ring_alloc()
80 	if (ring->funcs->begin_use)  in amdgpu_ring_alloc()
81 		ring->funcs->begin_use(ring);  in amdgpu_ring_alloc()
93 void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)  in amdgpu_ring_insert_nop()  argument
98 		amdgpu_ring_write(ring, ring->funcs->nop);  in amdgpu_ring_insert_nop()
108 void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)  in amdgpu_ring_generic_pad_ib()  argument
110 	while (ib->length_dw & ring->funcs->align_mask)  in amdgpu_ring_generic_pad_ib()
111 		ib->ptr[ib->length_dw++] = ring->funcs->nop;  in amdgpu_ring_generic_pad_ib()
124 void amdgpu_ring_commit(struct amdgpu_ring *ring)  in amdgpu_ring_commit()  argument
129 	count = ring->funcs->align_mask + 1 -  in amdgpu_ring_commit()
130 		(ring->wptr & ring->funcs->align_mask);  in amdgpu_ring_commit()
131 	count %= ring->funcs->align_mask + 1;  in amdgpu_ring_commit()
132 	ring->funcs->insert_nop(ring, count);  in amdgpu_ring_commit()
135 	amdgpu_ring_set_wptr(ring);  in amdgpu_ring_commit()
137 	if (ring->funcs->end_use)  in amdgpu_ring_commit()
138 		ring->funcs->end_use(ring);  in amdgpu_ring_commit()
148 void amdgpu_ring_undo(struct amdgpu_ring *ring)  in amdgpu_ring_undo()  argument
150 	ring->wptr = ring->wptr_old;  in amdgpu_ring_undo()
152 	if (ring->funcs->end_use)  in amdgpu_ring_undo()
153 		ring->funcs->end_use(ring);  in amdgpu_ring_undo()
164 void amdgpu_ring_priority_put(struct amdgpu_ring *ring,  in amdgpu_ring_priority_put()  argument
169 	if (!ring->funcs->set_priority)  in amdgpu_ring_priority_put()
172 	if (atomic_dec_return(&ring->num_jobs[priority]) > 0)  in amdgpu_ring_priority_put()
179 	mutex_lock(&ring->priority_mutex);  in amdgpu_ring_priority_put()
181 	if (ring->priority > priority)  in amdgpu_ring_priority_put()
187 				|| atomic_read(&ring->num_jobs[i])) {  in amdgpu_ring_priority_put()
188 			ring->priority = i;  in amdgpu_ring_priority_put()
189 			ring->funcs->set_priority(ring, i);  in amdgpu_ring_priority_put()
195 	mutex_unlock(&ring->priority_mutex);  in amdgpu_ring_priority_put()
206 void amdgpu_ring_priority_get(struct amdgpu_ring *ring,  in amdgpu_ring_priority_get()  argument
209 	if (!ring->funcs->set_priority)  in amdgpu_ring_priority_get()
212 	if (atomic_inc_return(&ring->num_jobs[priority]) <= 0)  in amdgpu_ring_priority_get()
215 	mutex_lock(&ring->priority_mutex);  in amdgpu_ring_priority_get()
216 	if (priority <= ring->priority)  in amdgpu_ring_priority_get()
219 	ring->priority = priority;  in amdgpu_ring_priority_get()
220 	ring->funcs->set_priority(ring, priority);  in amdgpu_ring_priority_get()
223 	mutex_unlock(&ring->priority_mutex);  in amdgpu_ring_priority_get()
237 int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,  in amdgpu_ring_init()  argument
250 	if (ring->funcs->type == AMDGPU_RING_TYPE_KIQ)  in amdgpu_ring_init()
252 	else if (ring == &adev->sdma.instance[0].page)  in amdgpu_ring_init()
255 	if (ring->adev == NULL) {  in amdgpu_ring_init()
259 		ring->adev = adev;  in amdgpu_ring_init()
260 		ring->idx = adev->num_rings++;  in amdgpu_ring_init()
261 		adev->rings[ring->idx] = ring;  in amdgpu_ring_init()
262 		r = amdgpu_fence_driver_init_ring(ring, sched_hw_submission);  in amdgpu_ring_init()
267 	r = amdgpu_device_wb_get(adev, &ring->rptr_offs);  in amdgpu_ring_init()
273 	r = amdgpu_device_wb_get(adev, &ring->wptr_offs);  in amdgpu_ring_init()
279 	r = amdgpu_device_wb_get(adev, &ring->fence_offs);  in amdgpu_ring_init()
285 	r = amdgpu_device_wb_get(adev, &ring->trail_fence_offs);  in amdgpu_ring_init()
291 	ring->trail_fence_gpu_addr =  in amdgpu_ring_init()
292 		adev->wb.gpu_addr + (ring->trail_fence_offs * 4);  in amdgpu_ring_init()
293 	ring->trail_fence_cpu_addr = &adev->wb.wb[ring->trail_fence_offs];  in amdgpu_ring_init()
295 	r = amdgpu_device_wb_get(adev, &ring->cond_exe_offs);  in amdgpu_ring_init()
300 	ring->cond_exe_gpu_addr = adev->wb.gpu_addr + (ring->cond_exe_offs * 4);  in amdgpu_ring_init()
301 	ring->cond_exe_cpu_addr = &adev->wb.wb[ring->cond_exe_offs];  in amdgpu_ring_init()
303 	*ring->cond_exe_cpu_addr = 1;  in amdgpu_ring_init()
305 	r = amdgpu_fence_driver_start_ring(ring, irq_src, irq_type);  in amdgpu_ring_init()
311 	ring->ring_size = roundup_pow_of_two(max_dw * 4 * sched_hw_submission);  in amdgpu_ring_init()
313 	ring->buf_mask = (ring->ring_size / 4) - 1;  in amdgpu_ring_init()
314 	ring->ptr_mask = ring->funcs->support_64bit_ptrs ?  in amdgpu_ring_init()
315 		0xffffffffffffffff : ring->buf_mask;  in amdgpu_ring_init()
317 	if (ring->ring_obj == NULL) {  in amdgpu_ring_init()
318 		r = amdgpu_bo_create_kernel(adev, ring->ring_size + ring->funcs->extra_dw, PAGE_SIZE,  in amdgpu_ring_init()
320 					    &ring->ring_obj,  in amdgpu_ring_init()
321 					    &ring->gpu_addr,  in amdgpu_ring_init()
322 					    (void **)&ring->ring);  in amdgpu_ring_init()
327 		amdgpu_ring_clear_ring(ring);  in amdgpu_ring_init()
330 	ring->max_dw = max_dw;  in amdgpu_ring_init()
331 	ring->priority = DRM_SCHED_PRIORITY_NORMAL;  in amdgpu_ring_init()
332 	mutex_init(&ring->priority_mutex);  in amdgpu_ring_init()
335 		atomic_set(&ring->num_jobs[i], 0);  in amdgpu_ring_init()
337 	if (amdgpu_debugfs_ring_init(adev, ring)) {  in amdgpu_ring_init()
352 void amdgpu_ring_fini(struct amdgpu_ring *ring)  in amdgpu_ring_fini()  argument
354 	ring->sched.ready = false;  in amdgpu_ring_fini()
357 	if (!(ring->adev) || !(ring->adev->rings[ring->idx]))  in amdgpu_ring_fini()
360 	amdgpu_device_wb_free(ring->adev, ring->rptr_offs);  in amdgpu_ring_fini()
361 	amdgpu_device_wb_free(ring->adev, ring->wptr_offs);  in amdgpu_ring_fini()
363 	amdgpu_device_wb_free(ring->adev, ring->cond_exe_offs);  in amdgpu_ring_fini()
364 	amdgpu_device_wb_free(ring->adev, ring->fence_offs);  in amdgpu_ring_fini()
366 	amdgpu_bo_free_kernel(&ring->ring_obj,  in amdgpu_ring_fini()
367 			      &ring->gpu_addr,  in amdgpu_ring_fini()
368 			      (void **)&ring->ring);  in amdgpu_ring_fini()
370 	amdgpu_debugfs_ring_fini(ring);  in amdgpu_ring_fini()
372 	dma_fence_put(ring->vmid_wait);  in amdgpu_ring_fini()
373 	ring->vmid_wait = NULL;  in amdgpu_ring_fini()
374 	ring->me = 0;  in amdgpu_ring_fini()
376 	ring->adev->rings[ring->idx] = NULL;  in amdgpu_ring_fini()
391 void amdgpu_ring_emit_reg_write_reg_wait_helper(struct amdgpu_ring *ring,  in amdgpu_ring_emit_reg_write_reg_wait_helper()  argument
395 	amdgpu_ring_emit_wreg(ring, reg0, ref);  in amdgpu_ring_emit_reg_write_reg_wait_helper()
396 	amdgpu_ring_emit_reg_wait(ring, reg1, mask, mask);  in amdgpu_ring_emit_reg_write_reg_wait_helper()
408 bool amdgpu_ring_soft_recovery(struct amdgpu_ring *ring, unsigned int vmid,  in amdgpu_ring_soft_recovery()  argument
413 	if (amdgpu_sriov_vf(ring->adev) || !ring->funcs->soft_recovery || !fence)  in amdgpu_ring_soft_recovery()
416 	atomic_inc(&ring->adev->gpu_reset_counter);  in amdgpu_ring_soft_recovery()
419 		ring->funcs->soft_recovery(ring, vmid);  in amdgpu_ring_soft_recovery()
439 	struct amdgpu_ring *ring = file_inode(f)->i_private;  in amdgpu_debugfs_ring_read()  local
449 		early[0] = amdgpu_ring_get_rptr(ring) & ring->buf_mask;  in amdgpu_debugfs_ring_read()
450 		early[1] = amdgpu_ring_get_wptr(ring) & ring->buf_mask;  in amdgpu_debugfs_ring_read()
451 		early[2] = ring->wptr & ring->buf_mask;  in amdgpu_debugfs_ring_read()
464 		if (*pos >= (ring->ring_size + 12))  in amdgpu_debugfs_ring_read()
467 		value = ring->ring[(*pos - 12)/4];  in amdgpu_debugfs_ring_read()
489 				    struct amdgpu_ring *ring)  in amdgpu_debugfs_ring_init()  argument
496 	sprintf(name, "amdgpu_ring_%s", ring->name);  in amdgpu_debugfs_ring_init()
500 				  ring, &amdgpu_debugfs_ring_fops);  in amdgpu_debugfs_ring_init()
504 	i_size_write(ent->d_inode, ring->ring_size + 12);  in amdgpu_debugfs_ring_init()
505 	ring->ent = ent;  in amdgpu_debugfs_ring_init()
510 static void amdgpu_debugfs_ring_fini(struct amdgpu_ring *ring)  in amdgpu_debugfs_ring_fini()  argument
513 	debugfs_remove(ring->ent);  in amdgpu_debugfs_ring_fini()
526 int amdgpu_ring_test_helper(struct amdgpu_ring *ring)  in amdgpu_ring_test_helper()  argument
528 	struct amdgpu_device *adev = ring->adev;  in amdgpu_ring_test_helper()
531 	r = amdgpu_ring_test_ring(ring);  in amdgpu_ring_test_helper()
534 			      ring->name, r);  in amdgpu_ring_test_helper()
537 			      ring->name);  in amdgpu_ring_test_helper()
539 	ring->sched.ready = !r;  in amdgpu_ring_test_helper()