2 * Copyright (C) 2008 Ben Skeggs.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #include <linux/dma-buf.h>
28 #include <nouveau_drm.h>
30 #include <subdev/fb.h>
32 #include "nouveau_drm.h"
33 #include "nouveau_dma.h"
34 #include "nouveau_fence.h"
35 #include "nouveau_abi16.h"
37 #include "nouveau_ttm.h"
38 #include "nouveau_gem.h"
41 nouveau_gem_object_new(struct drm_gem_object *gem)
47 nouveau_gem_object_del(struct drm_gem_object *gem)
49 struct nouveau_bo *nvbo = gem->driver_private;
50 struct ttm_buffer_object *bo = &nvbo->bo;
56 if (unlikely(nvbo->pin_refcnt)) {
58 nouveau_bo_unpin(nvbo);
61 if (gem->import_attach)
62 drm_prime_gem_destroy(gem, nvbo->bo.sg);
66 drm_gem_object_release(gem);
71 nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
73 struct nouveau_cli *cli = nouveau_cli(file_priv);
74 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
75 struct nouveau_vma *vma;
81 ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0);
85 vma = nouveau_bo_vma_find(nvbo, cli->base.vm);
87 vma = kzalloc(sizeof(*vma), GFP_KERNEL);
93 ret = nouveau_bo_vma_add(nvbo, cli->base.vm, vma);
103 ttm_bo_unreserve(&nvbo->bo);
108 nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
110 struct nouveau_cli *cli = nouveau_cli(file_priv);
111 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
112 struct nouveau_vma *vma;
118 ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0);
122 vma = nouveau_bo_vma_find(nvbo, cli->base.vm);
124 if (--vma->refcount == 0) {
125 nouveau_bo_vma_del(nvbo, vma);
129 ttm_bo_unreserve(&nvbo->bo);
133 nouveau_gem_new(struct drm_device *dev, int size, int align, uint32_t domain,
134 uint32_t tile_mode, uint32_t tile_flags,
135 struct nouveau_bo **pnvbo)
137 struct nouveau_drm *drm = nouveau_drm(dev);
138 struct nouveau_bo *nvbo;
142 if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
143 flags |= TTM_PL_FLAG_VRAM;
144 if (domain & NOUVEAU_GEM_DOMAIN_GART)
145 flags |= TTM_PL_FLAG_TT;
146 if (!flags || domain & NOUVEAU_GEM_DOMAIN_CPU)
147 flags |= TTM_PL_FLAG_SYSTEM;
149 ret = nouveau_bo_new(dev, size, align, flags, tile_mode,
150 tile_flags, NULL, pnvbo);
155 /* we restrict allowed domains on nv50+ to only the types
156 * that were requested at creation time. not possibly on
157 * earlier chips without busting the ABI.
159 nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM |
160 NOUVEAU_GEM_DOMAIN_GART;
161 if (nv_device(drm->device)->card_type >= NV_50)
162 nvbo->valid_domains &= domain;
164 nvbo->gem = drm_gem_object_alloc(dev, nvbo->bo.mem.size);
166 nouveau_bo_ref(NULL, pnvbo);
170 nvbo->bo.persistent_swap_storage = nvbo->gem->filp;
171 nvbo->gem->driver_private = nvbo;
176 nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
177 struct drm_nouveau_gem_info *rep)
179 struct nouveau_cli *cli = nouveau_cli(file_priv);
180 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
181 struct nouveau_vma *vma;
183 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
184 rep->domain = NOUVEAU_GEM_DOMAIN_GART;
186 rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
188 rep->offset = nvbo->bo.offset;
190 vma = nouveau_bo_vma_find(nvbo, cli->base.vm);
194 rep->offset = vma->offset;
197 rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
198 rep->map_handle = nvbo->bo.addr_space_offset;
199 rep->tile_mode = nvbo->tile_mode;
200 rep->tile_flags = nvbo->tile_flags;
205 nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
206 struct drm_file *file_priv)
208 struct nouveau_drm *drm = nouveau_drm(dev);
209 struct nouveau_fb *pfb = nouveau_fb(drm->device);
210 struct drm_nouveau_gem_new *req = data;
211 struct nouveau_bo *nvbo = NULL;
214 drm->ttm.bdev.dev_mapping = drm->dev->dev_mapping;
216 if (!pfb->memtype_valid(pfb, req->info.tile_flags)) {
217 NV_ERROR(drm, "bad page flags: 0x%08x\n", req->info.tile_flags);
221 ret = nouveau_gem_new(dev, req->info.size, req->align,
222 req->info.domain, req->info.tile_mode,
223 req->info.tile_flags, &nvbo);
227 ret = drm_gem_handle_create(file_priv, nvbo->gem, &req->info.handle);
229 ret = nouveau_gem_info(file_priv, nvbo->gem, &req->info);
231 drm_gem_handle_delete(file_priv, req->info.handle);
234 /* drop reference from allocate - handle holds it now */
235 drm_gem_object_unreference_unlocked(nvbo->gem);
240 nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains,
241 uint32_t write_domains, uint32_t valid_domains)
243 struct nouveau_bo *nvbo = gem->driver_private;
244 struct ttm_buffer_object *bo = &nvbo->bo;
245 uint32_t domains = valid_domains & nvbo->valid_domains &
246 (write_domains ? write_domains : read_domains);
247 uint32_t pref_flags = 0, valid_flags = 0;
252 if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
253 valid_flags |= TTM_PL_FLAG_VRAM;
255 if (valid_domains & NOUVEAU_GEM_DOMAIN_GART)
256 valid_flags |= TTM_PL_FLAG_TT;
258 if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
259 bo->mem.mem_type == TTM_PL_VRAM)
260 pref_flags |= TTM_PL_FLAG_VRAM;
262 else if ((domains & NOUVEAU_GEM_DOMAIN_GART) &&
263 bo->mem.mem_type == TTM_PL_TT)
264 pref_flags |= TTM_PL_FLAG_TT;
266 else if (domains & NOUVEAU_GEM_DOMAIN_VRAM)
267 pref_flags |= TTM_PL_FLAG_VRAM;
270 pref_flags |= TTM_PL_FLAG_TT;
272 nouveau_bo_placement_set(nvbo, pref_flags, valid_flags);
278 struct list_head vram_list;
279 struct list_head gart_list;
280 struct list_head both_list;
284 validate_fini_list(struct list_head *list, struct nouveau_fence *fence)
286 struct list_head *entry, *tmp;
287 struct nouveau_bo *nvbo;
289 list_for_each_safe(entry, tmp, list) {
290 nvbo = list_entry(entry, struct nouveau_bo, entry);
292 nouveau_bo_fence(nvbo, fence);
294 if (unlikely(nvbo->validate_mapped)) {
295 ttm_bo_kunmap(&nvbo->kmap);
296 nvbo->validate_mapped = false;
299 list_del(&nvbo->entry);
300 nvbo->reserved_by = NULL;
301 ttm_bo_unreserve(&nvbo->bo);
302 drm_gem_object_unreference_unlocked(nvbo->gem);
307 validate_fini(struct validate_op *op, struct nouveau_fence* fence)
309 validate_fini_list(&op->vram_list, fence);
310 validate_fini_list(&op->gart_list, fence);
311 validate_fini_list(&op->both_list, fence);
315 validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
316 struct drm_nouveau_gem_pushbuf_bo *pbbo,
317 int nr_buffers, struct validate_op *op)
319 struct drm_device *dev = chan->drm->dev;
320 struct nouveau_drm *drm = nouveau_drm(dev);
325 sequence = atomic_add_return(1, &drm->ttm.validate_sequence);
327 if (++trycnt > 100000) {
328 NV_ERROR(drm, "%s failed and gave up.\n", __func__);
332 for (i = 0; i < nr_buffers; i++) {
333 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i];
334 struct drm_gem_object *gem;
335 struct nouveau_bo *nvbo;
337 gem = drm_gem_object_lookup(dev, file_priv, b->handle);
339 NV_ERROR(drm, "Unknown handle 0x%08x\n", b->handle);
340 validate_fini(op, NULL);
343 nvbo = gem->driver_private;
345 if (nvbo->reserved_by && nvbo->reserved_by == file_priv) {
346 NV_ERROR(drm, "multiple instances of buffer %d on "
347 "validation list\n", b->handle);
348 drm_gem_object_unreference_unlocked(gem);
349 validate_fini(op, NULL);
353 ret = ttm_bo_reserve(&nvbo->bo, true, false, true, sequence);
355 validate_fini(op, NULL);
356 if (unlikely(ret == -EAGAIN))
357 ret = ttm_bo_wait_unreserved(&nvbo->bo, true);
358 drm_gem_object_unreference_unlocked(gem);
360 if (ret != -ERESTARTSYS)
361 NV_ERROR(drm, "fail reserve\n");
367 b->user_priv = (uint64_t)(unsigned long)nvbo;
368 nvbo->reserved_by = file_priv;
369 nvbo->pbbo_index = i;
370 if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
371 (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART))
372 list_add_tail(&nvbo->entry, &op->both_list);
374 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
375 list_add_tail(&nvbo->entry, &op->vram_list);
377 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)
378 list_add_tail(&nvbo->entry, &op->gart_list);
380 NV_ERROR(drm, "invalid valid domains: 0x%08x\n",
382 list_add_tail(&nvbo->entry, &op->both_list);
383 validate_fini(op, NULL);
392 validate_sync(struct nouveau_channel *chan, struct nouveau_bo *nvbo)
394 struct nouveau_fence *fence = NULL;
397 spin_lock(&nvbo->bo.bdev->fence_lock);
398 if (nvbo->bo.sync_obj)
399 fence = nouveau_fence_ref(nvbo->bo.sync_obj);
400 spin_unlock(&nvbo->bo.bdev->fence_lock);
403 ret = nouveau_fence_sync(fence, chan);
404 nouveau_fence_unref(&fence);
411 validate_list(struct nouveau_channel *chan, struct list_head *list,
412 struct drm_nouveau_gem_pushbuf_bo *pbbo, uint64_t user_pbbo_ptr)
414 struct nouveau_drm *drm = chan->drm;
415 struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
416 (void __force __user *)(uintptr_t)user_pbbo_ptr;
417 struct nouveau_bo *nvbo;
420 list_for_each_entry(nvbo, list, entry) {
421 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index];
423 ret = validate_sync(chan, nvbo);
425 NV_ERROR(drm, "fail pre-validate sync\n");
429 ret = nouveau_gem_set_domain(nvbo->gem, b->read_domains,
433 NV_ERROR(drm, "fail set_domain\n");
437 ret = nouveau_bo_validate(nvbo, true, false, false);
439 if (ret != -ERESTARTSYS)
440 NV_ERROR(drm, "fail ttm_validate\n");
444 ret = validate_sync(chan, nvbo);
446 NV_ERROR(drm, "fail post-validate sync\n");
450 if (nv_device(drm->device)->card_type < NV_50) {
451 if (nvbo->bo.offset == b->presumed.offset &&
452 ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
453 b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
454 (nvbo->bo.mem.mem_type == TTM_PL_TT &&
455 b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART)))
458 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
459 b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
461 b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
462 b->presumed.offset = nvbo->bo.offset;
463 b->presumed.valid = 0;
466 if (DRM_COPY_TO_USER(&upbbo[nvbo->pbbo_index].presumed,
467 &b->presumed, sizeof(b->presumed)))
476 nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
477 struct drm_file *file_priv,
478 struct drm_nouveau_gem_pushbuf_bo *pbbo,
479 uint64_t user_buffers, int nr_buffers,
480 struct validate_op *op, int *apply_relocs)
482 struct nouveau_drm *drm = chan->drm;
485 INIT_LIST_HEAD(&op->vram_list);
486 INIT_LIST_HEAD(&op->gart_list);
487 INIT_LIST_HEAD(&op->both_list);
492 ret = validate_init(chan, file_priv, pbbo, nr_buffers, op);
494 if (ret != -ERESTARTSYS)
495 NV_ERROR(drm, "validate_init\n");
499 ret = validate_list(chan, &op->vram_list, pbbo, user_buffers);
500 if (unlikely(ret < 0)) {
501 if (ret != -ERESTARTSYS)
502 NV_ERROR(drm, "validate vram_list\n");
503 validate_fini(op, NULL);
508 ret = validate_list(chan, &op->gart_list, pbbo, user_buffers);
509 if (unlikely(ret < 0)) {
510 if (ret != -ERESTARTSYS)
511 NV_ERROR(drm, "validate gart_list\n");
512 validate_fini(op, NULL);
517 ret = validate_list(chan, &op->both_list, pbbo, user_buffers);
518 if (unlikely(ret < 0)) {
519 if (ret != -ERESTARTSYS)
520 NV_ERROR(drm, "validate both_list\n");
521 validate_fini(op, NULL);
526 *apply_relocs = relocs;
531 u_memcpya(uint64_t user, unsigned nmemb, unsigned size)
534 void __user *userptr = (void __force __user *)(uintptr_t)user;
536 mem = kmalloc(nmemb * size, GFP_KERNEL);
538 return ERR_PTR(-ENOMEM);
540 if (DRM_COPY_FROM_USER(mem, userptr, nmemb * size)) {
542 return ERR_PTR(-EFAULT);
549 nouveau_gem_pushbuf_reloc_apply(struct drm_device *dev,
550 struct drm_nouveau_gem_pushbuf *req,
551 struct drm_nouveau_gem_pushbuf_bo *bo)
553 struct nouveau_drm *drm = nouveau_drm(dev);
554 struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
558 reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc));
560 return PTR_ERR(reloc);
562 for (i = 0; i < req->nr_relocs; i++) {
563 struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i];
564 struct drm_nouveau_gem_pushbuf_bo *b;
565 struct nouveau_bo *nvbo;
568 if (unlikely(r->bo_index > req->nr_buffers)) {
569 NV_ERROR(drm, "reloc bo index invalid\n");
574 b = &bo[r->bo_index];
575 if (b->presumed.valid)
578 if (unlikely(r->reloc_bo_index > req->nr_buffers)) {
579 NV_ERROR(drm, "reloc container bo index invalid\n");
583 nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv;
585 if (unlikely(r->reloc_bo_offset + 4 >
586 nvbo->bo.mem.num_pages << PAGE_SHIFT)) {
587 NV_ERROR(drm, "reloc outside of bo\n");
592 if (!nvbo->kmap.virtual) {
593 ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages,
596 NV_ERROR(drm, "failed kmap for reloc\n");
599 nvbo->validate_mapped = true;
602 if (r->flags & NOUVEAU_GEM_RELOC_LOW)
603 data = b->presumed.offset + r->data;
605 if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
606 data = (b->presumed.offset + r->data) >> 32;
610 if (r->flags & NOUVEAU_GEM_RELOC_OR) {
611 if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART)
617 spin_lock(&nvbo->bo.bdev->fence_lock);
618 ret = ttm_bo_wait(&nvbo->bo, false, false, false);
619 spin_unlock(&nvbo->bo.bdev->fence_lock);
621 NV_ERROR(drm, "reloc wait_idle failed: %d\n", ret);
625 nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data);
633 nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
634 struct drm_file *file_priv)
636 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
637 struct nouveau_abi16_chan *temp;
638 struct nouveau_drm *drm = nouveau_drm(dev);
639 struct drm_nouveau_gem_pushbuf *req = data;
640 struct drm_nouveau_gem_pushbuf_push *push;
641 struct drm_nouveau_gem_pushbuf_bo *bo;
642 struct nouveau_channel *chan = NULL;
643 struct validate_op op;
644 struct nouveau_fence *fence = NULL;
645 int i, j, ret = 0, do_reloc = 0;
647 if (unlikely(!abi16))
650 list_for_each_entry(temp, &abi16->channels, head) {
651 if (temp->chan->handle == (NVDRM_CHAN | req->channel)) {
658 return nouveau_abi16_put(abi16, -ENOENT);
660 req->vram_available = drm->gem.vram_available;
661 req->gart_available = drm->gem.gart_available;
662 if (unlikely(req->nr_push == 0))
665 if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) {
666 NV_ERROR(drm, "pushbuf push count exceeds limit: %d max %d\n",
667 req->nr_push, NOUVEAU_GEM_MAX_PUSH);
668 return nouveau_abi16_put(abi16, -EINVAL);
671 if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) {
672 NV_ERROR(drm, "pushbuf bo count exceeds limit: %d max %d\n",
673 req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS);
674 return nouveau_abi16_put(abi16, -EINVAL);
677 if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) {
678 NV_ERROR(drm, "pushbuf reloc count exceeds limit: %d max %d\n",
679 req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS);
680 return nouveau_abi16_put(abi16, -EINVAL);
683 push = u_memcpya(req->push, req->nr_push, sizeof(*push));
685 return nouveau_abi16_put(abi16, PTR_ERR(push));
687 bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
690 return nouveau_abi16_put(abi16, PTR_ERR(bo));
693 /* Ensure all push buffers are on validate list */
694 for (i = 0; i < req->nr_push; i++) {
695 if (push[i].bo_index >= req->nr_buffers) {
696 NV_ERROR(drm, "push %d buffer not in list\n", i);
702 /* Validate buffer list */
703 ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers,
704 req->nr_buffers, &op, &do_reloc);
706 if (ret != -ERESTARTSYS)
707 NV_ERROR(drm, "validate: %d\n", ret);
711 /* Apply any relocations that are required */
713 ret = nouveau_gem_pushbuf_reloc_apply(dev, req, bo);
715 NV_ERROR(drm, "reloc apply: %d\n", ret);
720 if (chan->dma.ib_max) {
721 ret = nouveau_dma_wait(chan, req->nr_push + 1, 16);
723 NV_ERROR(drm, "nv50cal_space: %d\n", ret);
727 for (i = 0; i < req->nr_push; i++) {
728 struct nouveau_bo *nvbo = (void *)(unsigned long)
729 bo[push[i].bo_index].user_priv;
731 nv50_dma_push(chan, nvbo, push[i].offset,
735 if (nv_device(drm->device)->chipset >= 0x25) {
736 ret = RING_SPACE(chan, req->nr_push * 2);
738 NV_ERROR(drm, "cal_space: %d\n", ret);
742 for (i = 0; i < req->nr_push; i++) {
743 struct nouveau_bo *nvbo = (void *)(unsigned long)
744 bo[push[i].bo_index].user_priv;
746 OUT_RING(chan, (nvbo->bo.offset + push[i].offset) | 2);
750 ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS));
752 NV_ERROR(drm, "jmp_space: %d\n", ret);
756 for (i = 0; i < req->nr_push; i++) {
757 struct nouveau_bo *nvbo = (void *)(unsigned long)
758 bo[push[i].bo_index].user_priv;
761 cmd = chan->push.vma.offset + ((chan->dma.cur + 2) << 2);
763 if (unlikely(cmd != req->suffix0)) {
764 if (!nvbo->kmap.virtual) {
765 ret = ttm_bo_kmap(&nvbo->bo, 0,
773 nvbo->validate_mapped = true;
776 nouveau_bo_wr32(nvbo, (push[i].offset +
777 push[i].length - 8) / 4, cmd);
780 OUT_RING(chan, 0x20000000 |
781 (nvbo->bo.offset + push[i].offset));
783 for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
788 ret = nouveau_fence_new(chan, &fence);
790 NV_ERROR(drm, "error fencing pushbuf: %d\n", ret);
796 validate_fini(&op, fence);
797 nouveau_fence_unref(&fence);
804 if (chan->dma.ib_max) {
805 req->suffix0 = 0x00000000;
806 req->suffix1 = 0x00000000;
808 if (nv_device(drm->device)->chipset >= 0x25) {
809 req->suffix0 = 0x00020000;
810 req->suffix1 = 0x00000000;
812 req->suffix0 = 0x20000000 |
813 (chan->push.vma.offset + ((chan->dma.cur + 2) << 2));
814 req->suffix1 = 0x00000000;
817 return nouveau_abi16_put(abi16, ret);
820 static inline uint32_t
821 domain_to_ttm(struct nouveau_bo *nvbo, uint32_t domain)
825 if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
826 flags |= TTM_PL_FLAG_VRAM;
827 if (domain & NOUVEAU_GEM_DOMAIN_GART)
828 flags |= TTM_PL_FLAG_TT;
834 nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
835 struct drm_file *file_priv)
837 struct drm_nouveau_gem_cpu_prep *req = data;
838 struct drm_gem_object *gem;
839 struct nouveau_bo *nvbo;
840 bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT);
843 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
846 nvbo = nouveau_gem_object(gem);
848 spin_lock(&nvbo->bo.bdev->fence_lock);
849 ret = ttm_bo_wait(&nvbo->bo, true, true, no_wait);
850 spin_unlock(&nvbo->bo.bdev->fence_lock);
851 drm_gem_object_unreference_unlocked(gem);
856 nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
857 struct drm_file *file_priv)
863 nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
864 struct drm_file *file_priv)
866 struct drm_nouveau_gem_info *req = data;
867 struct drm_gem_object *gem;
870 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
874 ret = nouveau_gem_info(file_priv, gem, req);
875 drm_gem_object_unreference_unlocked(gem);