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 "nouveau_drm.h"
28 #include "nouveau_dma.h"
29 #include "nouveau_fence.h"
30 #include "nouveau_abi16.h"
32 #include "nouveau_ttm.h"
33 #include "nouveau_gem.h"
36 nouveau_gem_object_del(struct drm_gem_object *gem)
38 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
39 struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
40 struct ttm_buffer_object *bo = &nvbo->bo;
41 struct device *dev = drm->dev->dev;
44 ret = pm_runtime_get_sync(dev);
45 if (WARN_ON(ret < 0 && ret != -EACCES))
48 if (gem->import_attach)
49 drm_prime_gem_destroy(gem, nvbo->bo.sg);
51 drm_gem_object_release(gem);
53 /* reset filp so nouveau_bo_del_ttm() can test for it */
57 pm_runtime_mark_last_busy(dev);
58 pm_runtime_put_autosuspend(dev);
62 nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
64 struct nouveau_cli *cli = nouveau_cli(file_priv);
65 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
66 struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
68 struct device *dev = drm->dev->dev;
74 ret = ttm_bo_reserve(&nvbo->bo, false, false, false, NULL);
78 vma = nouveau_bo_vma_find(nvbo, cli->vm);
80 vma = kzalloc(sizeof(*vma), GFP_KERNEL);
86 ret = pm_runtime_get_sync(dev);
87 if (ret < 0 && ret != -EACCES)
90 ret = nouveau_bo_vma_add(nvbo, cli->vm, vma);
94 pm_runtime_mark_last_busy(dev);
95 pm_runtime_put_autosuspend(dev);
101 ttm_bo_unreserve(&nvbo->bo);
106 nouveau_gem_object_delete(void *data)
108 struct nvkm_vma *vma = data;
115 nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nvkm_vma *vma)
117 const bool mapped = nvbo->bo.mem.mem_type != TTM_PL_SYSTEM;
118 struct reservation_object *resv = nvbo->bo.resv;
119 struct reservation_object_list *fobj;
120 struct fence *fence = NULL;
122 fobj = reservation_object_get_list(resv);
124 list_del(&vma->head);
126 if (fobj && fobj->shared_count > 1)
127 ttm_bo_wait(&nvbo->bo, true, false, false);
128 else if (fobj && fobj->shared_count == 1)
129 fence = rcu_dereference_protected(fobj->shared[0],
130 reservation_object_held(resv));
132 fence = reservation_object_get_excl(nvbo->bo.resv);
134 if (fence && mapped) {
135 nouveau_fence_work(fence, nouveau_gem_object_delete, vma);
145 nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
147 struct nouveau_cli *cli = nouveau_cli(file_priv);
148 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
149 struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
150 struct device *dev = drm->dev->dev;
151 struct nvkm_vma *vma;
157 ret = ttm_bo_reserve(&nvbo->bo, false, false, false, NULL);
161 vma = nouveau_bo_vma_find(nvbo, cli->vm);
163 if (--vma->refcount == 0) {
164 ret = pm_runtime_get_sync(dev);
165 if (!WARN_ON(ret < 0 && ret != -EACCES)) {
166 nouveau_gem_object_unmap(nvbo, vma);
167 pm_runtime_mark_last_busy(dev);
168 pm_runtime_put_autosuspend(dev);
172 ttm_bo_unreserve(&nvbo->bo);
176 nouveau_gem_new(struct drm_device *dev, int size, int align, uint32_t domain,
177 uint32_t tile_mode, uint32_t tile_flags,
178 struct nouveau_bo **pnvbo)
180 struct nouveau_drm *drm = nouveau_drm(dev);
181 struct nouveau_bo *nvbo;
185 if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
186 flags |= TTM_PL_FLAG_VRAM;
187 if (domain & NOUVEAU_GEM_DOMAIN_GART)
188 flags |= TTM_PL_FLAG_TT;
189 if (!flags || domain & NOUVEAU_GEM_DOMAIN_CPU)
190 flags |= TTM_PL_FLAG_SYSTEM;
192 if (domain & NOUVEAU_GEM_DOMAIN_COHERENT)
193 flags |= TTM_PL_FLAG_UNCACHED;
195 ret = nouveau_bo_new(dev, size, align, flags, tile_mode,
196 tile_flags, NULL, NULL, pnvbo);
201 /* we restrict allowed domains on nv50+ to only the types
202 * that were requested at creation time. not possibly on
203 * earlier chips without busting the ABI.
205 nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM |
206 NOUVEAU_GEM_DOMAIN_GART;
207 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA)
208 nvbo->valid_domains &= domain;
210 /* Initialize the embedded gem-object. We return a single gem-reference
211 * to the caller, instead of a normal nouveau_bo ttm reference. */
212 ret = drm_gem_object_init(dev, &nvbo->gem, nvbo->bo.mem.size);
214 nouveau_bo_ref(NULL, pnvbo);
218 nvbo->bo.persistent_swap_storage = nvbo->gem.filp;
223 nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
224 struct drm_nouveau_gem_info *rep)
226 struct nouveau_cli *cli = nouveau_cli(file_priv);
227 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
228 struct nvkm_vma *vma;
230 if (is_power_of_2(nvbo->valid_domains))
231 rep->domain = nvbo->valid_domains;
232 else if (nvbo->bo.mem.mem_type == TTM_PL_TT)
233 rep->domain = NOUVEAU_GEM_DOMAIN_GART;
235 rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
236 rep->offset = nvbo->bo.offset;
238 vma = nouveau_bo_vma_find(nvbo, cli->vm);
242 rep->offset = vma->offset;
245 rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
246 rep->map_handle = drm_vma_node_offset_addr(&nvbo->bo.vma_node);
247 rep->tile_mode = nvbo->tile_mode;
248 rep->tile_flags = nvbo->tile_flags;
253 nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
254 struct drm_file *file_priv)
256 struct nouveau_drm *drm = nouveau_drm(dev);
257 struct nouveau_cli *cli = nouveau_cli(file_priv);
258 struct nvkm_fb *fb = nvxx_fb(&drm->device);
259 struct drm_nouveau_gem_new *req = data;
260 struct nouveau_bo *nvbo = NULL;
263 if (!nvkm_fb_memtype_valid(fb, req->info.tile_flags)) {
264 NV_PRINTK(err, cli, "bad page flags: 0x%08x\n", req->info.tile_flags);
268 ret = nouveau_gem_new(dev, req->info.size, req->align,
269 req->info.domain, req->info.tile_mode,
270 req->info.tile_flags, &nvbo);
274 ret = drm_gem_handle_create(file_priv, &nvbo->gem, &req->info.handle);
276 ret = nouveau_gem_info(file_priv, &nvbo->gem, &req->info);
278 drm_gem_handle_delete(file_priv, req->info.handle);
281 /* drop reference from allocate - handle holds it now */
282 drm_gem_object_unreference_unlocked(&nvbo->gem);
287 nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains,
288 uint32_t write_domains, uint32_t valid_domains)
290 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
291 struct ttm_buffer_object *bo = &nvbo->bo;
292 uint32_t domains = valid_domains & nvbo->valid_domains &
293 (write_domains ? write_domains : read_domains);
294 uint32_t pref_flags = 0, valid_flags = 0;
299 if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
300 valid_flags |= TTM_PL_FLAG_VRAM;
302 if (valid_domains & NOUVEAU_GEM_DOMAIN_GART)
303 valid_flags |= TTM_PL_FLAG_TT;
305 if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
306 bo->mem.mem_type == TTM_PL_VRAM)
307 pref_flags |= TTM_PL_FLAG_VRAM;
309 else if ((domains & NOUVEAU_GEM_DOMAIN_GART) &&
310 bo->mem.mem_type == TTM_PL_TT)
311 pref_flags |= TTM_PL_FLAG_TT;
313 else if (domains & NOUVEAU_GEM_DOMAIN_VRAM)
314 pref_flags |= TTM_PL_FLAG_VRAM;
317 pref_flags |= TTM_PL_FLAG_TT;
319 nouveau_bo_placement_set(nvbo, pref_flags, valid_flags);
325 struct list_head list;
326 struct ww_acquire_ctx ticket;
330 validate_fini_no_ticket(struct validate_op *op, struct nouveau_fence *fence,
331 struct drm_nouveau_gem_pushbuf_bo *pbbo)
333 struct nouveau_bo *nvbo;
334 struct drm_nouveau_gem_pushbuf_bo *b;
336 while (!list_empty(&op->list)) {
337 nvbo = list_entry(op->list.next, struct nouveau_bo, entry);
338 b = &pbbo[nvbo->pbbo_index];
341 nouveau_bo_fence(nvbo, fence, !!b->write_domains);
343 if (unlikely(nvbo->validate_mapped)) {
344 ttm_bo_kunmap(&nvbo->kmap);
345 nvbo->validate_mapped = false;
348 list_del(&nvbo->entry);
349 nvbo->reserved_by = NULL;
350 ttm_bo_unreserve_ticket(&nvbo->bo, &op->ticket);
351 drm_gem_object_unreference_unlocked(&nvbo->gem);
356 validate_fini(struct validate_op *op, struct nouveau_fence *fence,
357 struct drm_nouveau_gem_pushbuf_bo *pbbo)
359 validate_fini_no_ticket(op, fence, pbbo);
360 ww_acquire_fini(&op->ticket);
364 validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
365 struct drm_nouveau_gem_pushbuf_bo *pbbo,
366 int nr_buffers, struct validate_op *op)
368 struct nouveau_cli *cli = nouveau_cli(file_priv);
369 struct drm_device *dev = chan->drm->dev;
372 struct nouveau_bo *res_bo = NULL;
373 LIST_HEAD(gart_list);
374 LIST_HEAD(vram_list);
375 LIST_HEAD(both_list);
377 ww_acquire_init(&op->ticket, &reservation_ww_class);
379 if (++trycnt > 100000) {
380 NV_PRINTK(err, cli, "%s failed and gave up.\n", __func__);
384 for (i = 0; i < nr_buffers; i++) {
385 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i];
386 struct drm_gem_object *gem;
387 struct nouveau_bo *nvbo;
389 gem = drm_gem_object_lookup(dev, file_priv, b->handle);
391 NV_PRINTK(err, cli, "Unknown handle 0x%08x\n", b->handle);
395 nvbo = nouveau_gem_object(gem);
396 if (nvbo == res_bo) {
398 drm_gem_object_unreference_unlocked(gem);
402 if (nvbo->reserved_by && nvbo->reserved_by == file_priv) {
403 NV_PRINTK(err, cli, "multiple instances of buffer %d on "
404 "validation list\n", b->handle);
405 drm_gem_object_unreference_unlocked(gem);
410 ret = ttm_bo_reserve(&nvbo->bo, true, false, true, &op->ticket);
412 list_splice_tail_init(&vram_list, &op->list);
413 list_splice_tail_init(&gart_list, &op->list);
414 list_splice_tail_init(&both_list, &op->list);
415 validate_fini_no_ticket(op, NULL, NULL);
416 if (unlikely(ret == -EDEADLK)) {
417 ret = ttm_bo_reserve_slowpath(&nvbo->bo, true,
423 if (ret != -ERESTARTSYS)
424 NV_PRINTK(err, cli, "fail reserve\n");
429 b->user_priv = (uint64_t)(unsigned long)nvbo;
430 nvbo->reserved_by = file_priv;
431 nvbo->pbbo_index = i;
432 if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
433 (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART))
434 list_add_tail(&nvbo->entry, &both_list);
436 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
437 list_add_tail(&nvbo->entry, &vram_list);
439 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)
440 list_add_tail(&nvbo->entry, &gart_list);
442 NV_PRINTK(err, cli, "invalid valid domains: 0x%08x\n",
444 list_add_tail(&nvbo->entry, &both_list);
452 ww_acquire_done(&op->ticket);
453 list_splice_tail(&vram_list, &op->list);
454 list_splice_tail(&gart_list, &op->list);
455 list_splice_tail(&both_list, &op->list);
457 validate_fini(op, NULL, NULL);
463 validate_list(struct nouveau_channel *chan, struct nouveau_cli *cli,
464 struct list_head *list, struct drm_nouveau_gem_pushbuf_bo *pbbo,
465 uint64_t user_pbbo_ptr)
467 struct nouveau_drm *drm = chan->drm;
468 struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
469 (void __force __user *)(uintptr_t)user_pbbo_ptr;
470 struct nouveau_bo *nvbo;
473 list_for_each_entry(nvbo, list, entry) {
474 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index];
476 ret = nouveau_gem_set_domain(&nvbo->gem, b->read_domains,
480 NV_PRINTK(err, cli, "fail set_domain\n");
484 ret = nouveau_bo_validate(nvbo, true, false);
486 if (ret != -ERESTARTSYS)
487 NV_PRINTK(err, cli, "fail ttm_validate\n");
491 ret = nouveau_fence_sync(nvbo, chan, !!b->write_domains, true);
493 if (ret != -ERESTARTSYS)
494 NV_PRINTK(err, cli, "fail post-validate sync\n");
498 if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) {
499 if (nvbo->bo.offset == b->presumed.offset &&
500 ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
501 b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
502 (nvbo->bo.mem.mem_type == TTM_PL_TT &&
503 b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART)))
506 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
507 b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
509 b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
510 b->presumed.offset = nvbo->bo.offset;
511 b->presumed.valid = 0;
514 if (copy_to_user(&upbbo[nvbo->pbbo_index].presumed,
515 &b->presumed, sizeof(b->presumed)))
524 nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
525 struct drm_file *file_priv,
526 struct drm_nouveau_gem_pushbuf_bo *pbbo,
527 uint64_t user_buffers, int nr_buffers,
528 struct validate_op *op, int *apply_relocs)
530 struct nouveau_cli *cli = nouveau_cli(file_priv);
533 INIT_LIST_HEAD(&op->list);
538 ret = validate_init(chan, file_priv, pbbo, nr_buffers, op);
540 if (ret != -ERESTARTSYS)
541 NV_PRINTK(err, cli, "validate_init\n");
545 ret = validate_list(chan, cli, &op->list, pbbo, user_buffers);
546 if (unlikely(ret < 0)) {
547 if (ret != -ERESTARTSYS)
548 NV_PRINTK(err, cli, "validating bo list\n");
549 validate_fini(op, NULL, NULL);
563 u_memcpya(uint64_t user, unsigned nmemb, unsigned size)
566 void __user *userptr = (void __force __user *)(uintptr_t)user;
570 mem = kmalloc(size, GFP_KERNEL | __GFP_NOWARN);
574 return ERR_PTR(-ENOMEM);
576 if (copy_from_user(mem, userptr, size)) {
578 return ERR_PTR(-EFAULT);
585 nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli,
586 struct drm_nouveau_gem_pushbuf *req,
587 struct drm_nouveau_gem_pushbuf_bo *bo)
589 struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
593 reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc));
595 return PTR_ERR(reloc);
597 for (i = 0; i < req->nr_relocs; i++) {
598 struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i];
599 struct drm_nouveau_gem_pushbuf_bo *b;
600 struct nouveau_bo *nvbo;
603 if (unlikely(r->bo_index > req->nr_buffers)) {
604 NV_PRINTK(err, cli, "reloc bo index invalid\n");
609 b = &bo[r->bo_index];
610 if (b->presumed.valid)
613 if (unlikely(r->reloc_bo_index > req->nr_buffers)) {
614 NV_PRINTK(err, cli, "reloc container bo index invalid\n");
618 nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv;
620 if (unlikely(r->reloc_bo_offset + 4 >
621 nvbo->bo.mem.num_pages << PAGE_SHIFT)) {
622 NV_PRINTK(err, cli, "reloc outside of bo\n");
627 if (!nvbo->kmap.virtual) {
628 ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages,
631 NV_PRINTK(err, cli, "failed kmap for reloc\n");
634 nvbo->validate_mapped = true;
637 if (r->flags & NOUVEAU_GEM_RELOC_LOW)
638 data = b->presumed.offset + r->data;
640 if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
641 data = (b->presumed.offset + r->data) >> 32;
645 if (r->flags & NOUVEAU_GEM_RELOC_OR) {
646 if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART)
652 ret = ttm_bo_wait(&nvbo->bo, true, false, false);
654 NV_PRINTK(err, cli, "reloc wait_idle failed: %d\n", ret);
658 nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data);
666 nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
667 struct drm_file *file_priv)
669 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
670 struct nouveau_cli *cli = nouveau_cli(file_priv);
671 struct nouveau_abi16_chan *temp;
672 struct nouveau_drm *drm = nouveau_drm(dev);
673 struct drm_nouveau_gem_pushbuf *req = data;
674 struct drm_nouveau_gem_pushbuf_push *push;
675 struct drm_nouveau_gem_pushbuf_bo *bo;
676 struct nouveau_channel *chan = NULL;
677 struct validate_op op;
678 struct nouveau_fence *fence = NULL;
679 int i, j, ret = 0, do_reloc = 0;
681 if (unlikely(!abi16))
684 list_for_each_entry(temp, &abi16->channels, head) {
685 if (temp->chan->user.handle == (NVDRM_CHAN | req->channel)) {
692 return nouveau_abi16_put(abi16, -ENOENT);
694 req->vram_available = drm->gem.vram_available;
695 req->gart_available = drm->gem.gart_available;
696 if (unlikely(req->nr_push == 0))
699 if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) {
700 NV_PRINTK(err, cli, "pushbuf push count exceeds limit: %d max %d\n",
701 req->nr_push, NOUVEAU_GEM_MAX_PUSH);
702 return nouveau_abi16_put(abi16, -EINVAL);
705 if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) {
706 NV_PRINTK(err, cli, "pushbuf bo count exceeds limit: %d max %d\n",
707 req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS);
708 return nouveau_abi16_put(abi16, -EINVAL);
711 if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) {
712 NV_PRINTK(err, cli, "pushbuf reloc count exceeds limit: %d max %d\n",
713 req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS);
714 return nouveau_abi16_put(abi16, -EINVAL);
717 push = u_memcpya(req->push, req->nr_push, sizeof(*push));
719 return nouveau_abi16_put(abi16, PTR_ERR(push));
721 bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
724 return nouveau_abi16_put(abi16, PTR_ERR(bo));
727 /* Ensure all push buffers are on validate list */
728 for (i = 0; i < req->nr_push; i++) {
729 if (push[i].bo_index >= req->nr_buffers) {
730 NV_PRINTK(err, cli, "push %d buffer not in list\n", i);
736 /* Validate buffer list */
737 ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers,
738 req->nr_buffers, &op, &do_reloc);
740 if (ret != -ERESTARTSYS)
741 NV_PRINTK(err, cli, "validate: %d\n", ret);
745 /* Apply any relocations that are required */
747 ret = nouveau_gem_pushbuf_reloc_apply(cli, req, bo);
749 NV_PRINTK(err, cli, "reloc apply: %d\n", ret);
754 if (chan->dma.ib_max) {
755 ret = nouveau_dma_wait(chan, req->nr_push + 1, 16);
757 NV_PRINTK(err, cli, "nv50cal_space: %d\n", ret);
761 for (i = 0; i < req->nr_push; i++) {
762 struct nouveau_bo *nvbo = (void *)(unsigned long)
763 bo[push[i].bo_index].user_priv;
765 nv50_dma_push(chan, nvbo, push[i].offset,
769 if (drm->device.info.chipset >= 0x25) {
770 ret = RING_SPACE(chan, req->nr_push * 2);
772 NV_PRINTK(err, cli, "cal_space: %d\n", ret);
776 for (i = 0; i < req->nr_push; i++) {
777 struct nouveau_bo *nvbo = (void *)(unsigned long)
778 bo[push[i].bo_index].user_priv;
780 OUT_RING(chan, (nvbo->bo.offset + push[i].offset) | 2);
784 ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS));
786 NV_PRINTK(err, cli, "jmp_space: %d\n", ret);
790 for (i = 0; i < req->nr_push; i++) {
791 struct nouveau_bo *nvbo = (void *)(unsigned long)
792 bo[push[i].bo_index].user_priv;
795 cmd = chan->push.vma.offset + ((chan->dma.cur + 2) << 2);
797 if (unlikely(cmd != req->suffix0)) {
798 if (!nvbo->kmap.virtual) {
799 ret = ttm_bo_kmap(&nvbo->bo, 0,
807 nvbo->validate_mapped = true;
810 nouveau_bo_wr32(nvbo, (push[i].offset +
811 push[i].length - 8) / 4, cmd);
814 OUT_RING(chan, 0x20000000 |
815 (nvbo->bo.offset + push[i].offset));
817 for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
822 ret = nouveau_fence_new(chan, false, &fence);
824 NV_PRINTK(err, cli, "error fencing pushbuf: %d\n", ret);
830 validate_fini(&op, fence, bo);
831 nouveau_fence_unref(&fence);
838 if (chan->dma.ib_max) {
839 req->suffix0 = 0x00000000;
840 req->suffix1 = 0x00000000;
842 if (drm->device.info.chipset >= 0x25) {
843 req->suffix0 = 0x00020000;
844 req->suffix1 = 0x00000000;
846 req->suffix0 = 0x20000000 |
847 (chan->push.vma.offset + ((chan->dma.cur + 2) << 2));
848 req->suffix1 = 0x00000000;
851 return nouveau_abi16_put(abi16, ret);
855 nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
856 struct drm_file *file_priv)
858 struct drm_nouveau_gem_cpu_prep *req = data;
859 struct drm_gem_object *gem;
860 struct nouveau_bo *nvbo;
861 bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT);
862 bool write = !!(req->flags & NOUVEAU_GEM_CPU_PREP_WRITE);
865 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
868 nvbo = nouveau_gem_object(gem);
871 ret = reservation_object_test_signaled_rcu(nvbo->bo.resv, write) ? 0 : -EBUSY;
875 lret = reservation_object_wait_timeout_rcu(nvbo->bo.resv, write, true, 30 * HZ);
883 nouveau_bo_sync_for_cpu(nvbo);
884 drm_gem_object_unreference_unlocked(gem);
890 nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
891 struct drm_file *file_priv)
893 struct drm_nouveau_gem_cpu_fini *req = data;
894 struct drm_gem_object *gem;
895 struct nouveau_bo *nvbo;
897 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
900 nvbo = nouveau_gem_object(gem);
902 nouveau_bo_sync_for_device(nvbo);
903 drm_gem_object_unreference_unlocked(gem);
908 nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
909 struct drm_file *file_priv)
911 struct drm_nouveau_gem_info *req = data;
912 struct drm_gem_object *gem;
915 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
919 ret = nouveau_gem_info(file_priv, gem, req);
920 drm_gem_object_unreference_unlocked(gem);