108 nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan,  in nouveau_abi16_ntfy_fini()  argument
112 	nvkm_mm_free(&chan->heap, &ntfy->node);  in nouveau_abi16_ntfy_fini()
119 			struct nouveau_abi16_chan *chan)  in nouveau_abi16_chan_fini()  argument
125 	if (chan->chan && chan->ntfy)  in nouveau_abi16_chan_fini()
126 		nouveau_channel_idle(chan->chan);  in nouveau_abi16_chan_fini()
129 	list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) {  in nouveau_abi16_chan_fini()
130 		nouveau_abi16_ntfy_fini(chan, ntfy);  in nouveau_abi16_chan_fini()
133 	if (chan->ntfy) {  in nouveau_abi16_chan_fini()
134 		nouveau_bo_vma_del(chan->ntfy, &chan->ntfy_vma);  in nouveau_abi16_chan_fini()
135 		nouveau_bo_unpin(chan->ntfy);  in nouveau_abi16_chan_fini()
136 		drm_gem_object_unreference_unlocked(&chan->ntfy->gem);  in nouveau_abi16_chan_fini()
139 	if (chan->heap.block_size)  in nouveau_abi16_chan_fini()
140 		nvkm_mm_fini(&chan->heap);  in nouveau_abi16_chan_fini()
143 	if (chan->chan) {  in nouveau_abi16_chan_fini()
144 		nouveau_channel_idle(chan->chan);  in nouveau_abi16_chan_fini()
145 		nouveau_channel_del(&chan->chan);  in nouveau_abi16_chan_fini()
148 	list_del(&chan->head);  in nouveau_abi16_chan_fini()
149 	kfree(chan);  in nouveau_abi16_chan_fini()
156 	struct nouveau_abi16_chan *chan, *temp;  in nouveau_abi16_fini()  local
159 	list_for_each_entry_safe(chan, temp, &abi16->channels, head) {  in nouveau_abi16_fini()
160 		nouveau_abi16_chan_fini(abi16, chan);  in nouveau_abi16_fini()
249 	struct nouveau_abi16_chan *chan;  in nouveau_abi16_ioctl_channel_alloc()  local
278 	chan = kzalloc(sizeof(*chan), GFP_KERNEL);  in nouveau_abi16_ioctl_channel_alloc()
279 	if (!chan)  in nouveau_abi16_ioctl_channel_alloc()
282 	INIT_LIST_HEAD(&chan->notifiers);  in nouveau_abi16_ioctl_channel_alloc()
283 	list_add(&chan->head, &abi16->channels);  in nouveau_abi16_ioctl_channel_alloc()
287 				  init->tt_ctxdma_handle, &chan->chan);  in nouveau_abi16_ioctl_channel_alloc()
291 	init->channel = chan->chan->chid;  in nouveau_abi16_ioctl_channel_alloc()
297 	if (chan->chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM)  in nouveau_abi16_ioctl_channel_alloc()
305 		init->subchan[1].handle = chan->chan->nvsw.handle;  in nouveau_abi16_ioctl_channel_alloc()
312 			      0, 0, &chan->ntfy);  in nouveau_abi16_ioctl_channel_alloc()
314 		ret = nouveau_bo_pin(chan->ntfy, TTM_PL_FLAG_TT, false);  in nouveau_abi16_ioctl_channel_alloc()
319 		ret = nouveau_bo_vma_add(chan->ntfy, cli->vm,  in nouveau_abi16_ioctl_channel_alloc()
320 					&chan->ntfy_vma);  in nouveau_abi16_ioctl_channel_alloc()
325 	ret = drm_gem_handle_create(file_priv, &chan->ntfy->gem,  in nouveau_abi16_ioctl_channel_alloc()
330 	ret = nvkm_mm_init(&chan->heap, 0, PAGE_SIZE, 1);  in nouveau_abi16_ioctl_channel_alloc()
333 		nouveau_abi16_chan_fini(abi16, chan);  in nouveau_abi16_ioctl_channel_alloc()
340 	struct nouveau_abi16_chan *chan;  in nouveau_abi16_chan()  local
342 	list_for_each_entry(chan, &abi16->channels, head) {  in nouveau_abi16_chan()
343 		if (chan->chan->chid == channel)  in nouveau_abi16_chan()
344 			return chan;  in nouveau_abi16_chan()
356 	struct nouveau_abi16_chan *chan;  in nouveau_abi16_usif()  local
376 		if (!(chan = nouveau_abi16_chan(abi16, args->v0.token)))  in nouveau_abi16_usif()
378 		args->v0.object = nvif_handle(&chan->chan->user);  in nouveau_abi16_usif()
393 	struct nouveau_abi16_chan *chan;  in nouveau_abi16_ioctl_channel_free()  local
398 	chan = nouveau_abi16_chan(abi16, req->channel);  in nouveau_abi16_ioctl_channel_free()
399 	if (!chan)  in nouveau_abi16_ioctl_channel_free()
401 	nouveau_abi16_chan_fini(abi16, chan);  in nouveau_abi16_ioctl_channel_free()
410 	struct nouveau_abi16_chan *chan;  in nouveau_abi16_ioctl_grobj_alloc()  local
424 	chan = nouveau_abi16_chan(abi16, init->channel);  in nouveau_abi16_ioctl_grobj_alloc()
425 	if (!chan)  in nouveau_abi16_ioctl_grobj_alloc()
428 	ret = nvif_object_sclass_get(&chan->chan->user, &sclass);  in nouveau_abi16_ioctl_grobj_alloc()
485 	list_add(&ntfy->head, &chan->notifiers);  in nouveau_abi16_ioctl_grobj_alloc()
488 	ret = nvif_object_init(&chan->chan->user, init->handle, oclass,  in nouveau_abi16_ioctl_grobj_alloc()
493 		nouveau_abi16_ntfy_fini(chan, ntfy);  in nouveau_abi16_ioctl_grobj_alloc()
503 	struct nouveau_abi16_chan *chan;  in nouveau_abi16_ioctl_notifierobj_alloc()  local
518 	chan = nouveau_abi16_chan(abi16, info->channel);  in nouveau_abi16_ioctl_notifierobj_alloc()
519 	if (!chan)  in nouveau_abi16_ioctl_notifierobj_alloc()
526 	list_add(&ntfy->head, &chan->notifiers);  in nouveau_abi16_ioctl_notifierobj_alloc()
528 	ret = nvkm_mm_head(&chan->heap, 0, 1, info->size, info->size, 1,  in nouveau_abi16_ioctl_notifierobj_alloc()
538 		args.start += chan->ntfy_vma.offset;  in nouveau_abi16_ioctl_notifierobj_alloc()
539 		args.limit += chan->ntfy_vma.offset;  in nouveau_abi16_ioctl_notifierobj_alloc()
544 		args.start += drm->agp.base + chan->ntfy->bo.offset;  in nouveau_abi16_ioctl_notifierobj_alloc()
545 		args.limit += drm->agp.base + chan->ntfy->bo.offset;  in nouveau_abi16_ioctl_notifierobj_alloc()
549 		args.start += chan->ntfy->bo.offset;  in nouveau_abi16_ioctl_notifierobj_alloc()
550 		args.limit += chan->ntfy->bo.offset;  in nouveau_abi16_ioctl_notifierobj_alloc()
555 	ret = nvif_object_init(&chan->chan->user, info->handle,  in nouveau_abi16_ioctl_notifierobj_alloc()
566 		nouveau_abi16_ntfy_fini(chan, ntfy);  in nouveau_abi16_ioctl_notifierobj_alloc()
575 	struct nouveau_abi16_chan *chan;  in nouveau_abi16_ioctl_gpuobj_free()  local
582 	chan = nouveau_abi16_chan(abi16, fini->channel);  in nouveau_abi16_ioctl_gpuobj_free()
583 	if (!chan)  in nouveau_abi16_ioctl_gpuobj_free()
587 	nouveau_channel_idle(chan->chan);  in nouveau_abi16_ioctl_gpuobj_free()
589 	list_for_each_entry(ntfy, &chan->notifiers, head) {  in nouveau_abi16_ioctl_gpuobj_free()
591 			nouveau_abi16_ntfy_fini(chan, ntfy);  in nouveau_abi16_ioctl_gpuobj_free()