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_drv.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, 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) {
92 ret = nouveau_bo_vma_add(nvbo, cli->vm, vma);
96 pm_runtime_mark_last_busy(dev);
97 pm_runtime_put_autosuspend(dev);
103 ttm_bo_unreserve(&nvbo->bo);
108 nouveau_gem_object_delete(void *data)
110 struct nvkm_vma *vma = data;
117 nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nvkm_vma *vma)
119 const bool mapped = nvbo->bo.mem.mem_type != TTM_PL_SYSTEM;
120 struct reservation_object *resv = nvbo->bo.resv;
121 struct reservation_object_list *fobj;
122 struct dma_fence *fence = NULL;
124 fobj = reservation_object_get_list(resv);
126 list_del(&vma->head);
128 if (fobj && fobj->shared_count > 1)
129 ttm_bo_wait(&nvbo->bo, false, false);
130 else if (fobj && fobj->shared_count == 1)
131 fence = rcu_dereference_protected(fobj->shared[0],
132 reservation_object_held(resv));
134 fence = reservation_object_get_excl(nvbo->bo.resv);
136 if (fence && mapped) {
137 nouveau_fence_work(fence, nouveau_gem_object_delete, vma);
147 nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
149 struct nouveau_cli *cli = nouveau_cli(file_priv);
150 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
151 struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
152 struct device *dev = drm->dev->dev;
153 struct nvkm_vma *vma;
159 ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
163 vma = nouveau_bo_vma_find(nvbo, cli->vm);
165 if (--vma->refcount == 0) {
166 ret = pm_runtime_get_sync(dev);
167 if (!WARN_ON(ret < 0 && ret != -EACCES)) {
168 nouveau_gem_object_unmap(nvbo, vma);
169 pm_runtime_mark_last_busy(dev);
170 pm_runtime_put_autosuspend(dev);
174 ttm_bo_unreserve(&nvbo->bo);
178 nouveau_gem_new(struct nouveau_cli *cli, u64 size, int align, uint32_t domain,
179 uint32_t tile_mode, uint32_t tile_flags,
180 struct nouveau_bo **pnvbo)
182 struct nouveau_drm *drm = nouveau_drm(cli->dev);
183 struct nouveau_bo *nvbo;
187 if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
188 flags |= TTM_PL_FLAG_VRAM;
189 if (domain & NOUVEAU_GEM_DOMAIN_GART)
190 flags |= TTM_PL_FLAG_TT;
191 if (!flags || domain & NOUVEAU_GEM_DOMAIN_CPU)
192 flags |= TTM_PL_FLAG_SYSTEM;
194 if (domain & NOUVEAU_GEM_DOMAIN_COHERENT)
195 flags |= TTM_PL_FLAG_UNCACHED;
197 ret = nouveau_bo_new(cli, size, align, flags, tile_mode,
198 tile_flags, NULL, NULL, pnvbo);
203 /* we restrict allowed domains on nv50+ to only the types
204 * that were requested at creation time. not possibly on
205 * earlier chips without busting the ABI.
207 nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM |
208 NOUVEAU_GEM_DOMAIN_GART;
209 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA)
210 nvbo->valid_domains &= domain;
212 /* Initialize the embedded gem-object. We return a single gem-reference
213 * to the caller, instead of a normal nouveau_bo ttm reference. */
214 ret = drm_gem_object_init(drm->dev, &nvbo->gem, nvbo->bo.mem.size);
216 nouveau_bo_ref(NULL, pnvbo);
220 nvbo->bo.persistent_swap_storage = nvbo->gem.filp;
225 nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
226 struct drm_nouveau_gem_info *rep)
228 struct nouveau_cli *cli = nouveau_cli(file_priv);
229 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
230 struct nvkm_vma *vma;
232 if (is_power_of_2(nvbo->valid_domains))
233 rep->domain = nvbo->valid_domains;
234 else if (nvbo->bo.mem.mem_type == TTM_PL_TT)
235 rep->domain = NOUVEAU_GEM_DOMAIN_GART;
237 rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
238 rep->offset = nvbo->bo.offset;
240 vma = nouveau_bo_vma_find(nvbo, cli->vm);
244 rep->offset = vma->offset;
247 rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
248 rep->map_handle = drm_vma_node_offset_addr(&nvbo->bo.vma_node);
249 rep->tile_mode = nvbo->tile_mode;
250 rep->tile_flags = nvbo->tile_flags;
255 nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
256 struct drm_file *file_priv)
258 struct nouveau_drm *drm = nouveau_drm(dev);
259 struct nouveau_cli *cli = nouveau_cli(file_priv);
260 struct nvkm_fb *fb = nvxx_fb(&drm->client.device);
261 struct drm_nouveau_gem_new *req = data;
262 struct nouveau_bo *nvbo = NULL;
265 if (!nvkm_fb_memtype_valid(fb, req->info.tile_flags)) {
266 NV_PRINTK(err, cli, "bad page flags: 0x%08x\n", req->info.tile_flags);
270 ret = nouveau_gem_new(cli, req->info.size, req->align,
271 req->info.domain, req->info.tile_mode,
272 req->info.tile_flags, &nvbo);
276 ret = drm_gem_handle_create(file_priv, &nvbo->gem, &req->info.handle);
278 ret = nouveau_gem_info(file_priv, &nvbo->gem, &req->info);
280 drm_gem_handle_delete(file_priv, req->info.handle);
283 /* drop reference from allocate - handle holds it now */
284 drm_gem_object_unreference_unlocked(&nvbo->gem);
289 nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains,
290 uint32_t write_domains, uint32_t valid_domains)
292 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
293 struct ttm_buffer_object *bo = &nvbo->bo;
294 uint32_t domains = valid_domains & nvbo->valid_domains &
295 (write_domains ? write_domains : read_domains);
296 uint32_t pref_flags = 0, valid_flags = 0;
301 if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
302 valid_flags |= TTM_PL_FLAG_VRAM;
304 if (valid_domains & NOUVEAU_GEM_DOMAIN_GART)
305 valid_flags |= TTM_PL_FLAG_TT;
307 if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
308 bo->mem.mem_type == TTM_PL_VRAM)
309 pref_flags |= TTM_PL_FLAG_VRAM;
311 else if ((domains & NOUVEAU_GEM_DOMAIN_GART) &&
312 bo->mem.mem_type == TTM_PL_TT)
313 pref_flags |= TTM_PL_FLAG_TT;
315 else if (domains & NOUVEAU_GEM_DOMAIN_VRAM)
316 pref_flags |= TTM_PL_FLAG_VRAM;
319 pref_flags |= TTM_PL_FLAG_TT;
321 nouveau_bo_placement_set(nvbo, pref_flags, valid_flags);
327 struct list_head list;
328 struct ww_acquire_ctx ticket;
332 validate_fini_no_ticket(struct validate_op *op, struct nouveau_fence *fence,
333 struct drm_nouveau_gem_pushbuf_bo *pbbo)
335 struct nouveau_bo *nvbo;
336 struct drm_nouveau_gem_pushbuf_bo *b;
338 while (!list_empty(&op->list)) {
339 nvbo = list_entry(op->list.next, struct nouveau_bo, entry);
340 b = &pbbo[nvbo->pbbo_index];
343 nouveau_bo_fence(nvbo, fence, !!b->write_domains);
345 if (unlikely(nvbo->validate_mapped)) {
346 ttm_bo_kunmap(&nvbo->kmap);
347 nvbo->validate_mapped = false;
350 list_del(&nvbo->entry);
351 nvbo->reserved_by = NULL;
352 ttm_bo_unreserve_ticket(&nvbo->bo, &op->ticket);
353 drm_gem_object_unreference_unlocked(&nvbo->gem);
358 validate_fini(struct validate_op *op, struct nouveau_fence *fence,
359 struct drm_nouveau_gem_pushbuf_bo *pbbo)
361 validate_fini_no_ticket(op, fence, pbbo);
362 ww_acquire_fini(&op->ticket);
366 validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
367 struct drm_nouveau_gem_pushbuf_bo *pbbo,
368 int nr_buffers, struct validate_op *op)
370 struct nouveau_cli *cli = nouveau_cli(file_priv);
372 int ret = -EINVAL, i;
373 struct nouveau_bo *res_bo = NULL;
374 LIST_HEAD(gart_list);
375 LIST_HEAD(vram_list);
376 LIST_HEAD(both_list);
378 ww_acquire_init(&op->ticket, &reservation_ww_class);
380 if (++trycnt > 100000) {
381 NV_PRINTK(err, cli, "%s failed and gave up.\n", __func__);
385 for (i = 0; i < nr_buffers; i++) {
386 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i];
387 struct drm_gem_object *gem;
388 struct nouveau_bo *nvbo;
390 gem = drm_gem_object_lookup(file_priv, b->handle);
392 NV_PRINTK(err, cli, "Unknown handle 0x%08x\n", b->handle);
396 nvbo = nouveau_gem_object(gem);
397 if (nvbo == res_bo) {
399 drm_gem_object_unreference_unlocked(gem);
403 if (nvbo->reserved_by && nvbo->reserved_by == file_priv) {
404 NV_PRINTK(err, cli, "multiple instances of buffer %d on "
405 "validation list\n", b->handle);
406 drm_gem_object_unreference_unlocked(gem);
411 ret = ttm_bo_reserve(&nvbo->bo, true, false, &op->ticket);
413 list_splice_tail_init(&vram_list, &op->list);
414 list_splice_tail_init(&gart_list, &op->list);
415 list_splice_tail_init(&both_list, &op->list);
416 validate_fini_no_ticket(op, NULL, NULL);
417 if (unlikely(ret == -EDEADLK)) {
418 ret = ttm_bo_reserve_slowpath(&nvbo->bo, true,
424 if (ret != -ERESTARTSYS)
425 NV_PRINTK(err, cli, "fail reserve\n");
430 b->user_priv = (uint64_t)(unsigned long)nvbo;
431 nvbo->reserved_by = file_priv;
432 nvbo->pbbo_index = i;
433 if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
434 (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART))
435 list_add_tail(&nvbo->entry, &both_list);
437 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
438 list_add_tail(&nvbo->entry, &vram_list);
440 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)
441 list_add_tail(&nvbo->entry, &gart_list);
443 NV_PRINTK(err, cli, "invalid valid domains: 0x%08x\n",
445 list_add_tail(&nvbo->entry, &both_list);
453 ww_acquire_done(&op->ticket);
454 list_splice_tail(&vram_list, &op->list);
455 list_splice_tail(&gart_list, &op->list);
456 list_splice_tail(&both_list, &op->list);
458 validate_fini(op, NULL, NULL);
464 validate_list(struct nouveau_channel *chan, struct nouveau_cli *cli,
465 struct list_head *list, struct drm_nouveau_gem_pushbuf_bo *pbbo,
466 uint64_t user_pbbo_ptr)
468 struct nouveau_drm *drm = chan->drm;
469 struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
470 (void __force __user *)(uintptr_t)user_pbbo_ptr;
471 struct nouveau_bo *nvbo;
474 list_for_each_entry(nvbo, list, entry) {
475 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index];
477 ret = nouveau_gem_set_domain(&nvbo->gem, b->read_domains,
481 NV_PRINTK(err, cli, "fail set_domain\n");
485 ret = nouveau_bo_validate(nvbo, true, false);
487 if (ret != -ERESTARTSYS)
488 NV_PRINTK(err, cli, "fail ttm_validate\n");
492 ret = nouveau_fence_sync(nvbo, chan, !!b->write_domains, true);
494 if (ret != -ERESTARTSYS)
495 NV_PRINTK(err, cli, "fail post-validate sync\n");
499 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
500 if (nvbo->bo.offset == b->presumed.offset &&
501 ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
502 b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
503 (nvbo->bo.mem.mem_type == TTM_PL_TT &&
504 b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART)))
507 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
508 b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
510 b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
511 b->presumed.offset = nvbo->bo.offset;
512 b->presumed.valid = 0;
515 if (copy_to_user(&upbbo[nvbo->pbbo_index].presumed,
516 &b->presumed, sizeof(b->presumed)))
525 nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
526 struct drm_file *file_priv,
527 struct drm_nouveau_gem_pushbuf_bo *pbbo,
528 uint64_t user_buffers, int nr_buffers,
529 struct validate_op *op, int *apply_relocs)
531 struct nouveau_cli *cli = nouveau_cli(file_priv);
534 INIT_LIST_HEAD(&op->list);
539 ret = validate_init(chan, file_priv, pbbo, nr_buffers, op);
541 if (ret != -ERESTARTSYS)
542 NV_PRINTK(err, cli, "validate_init\n");
546 ret = validate_list(chan, cli, &op->list, pbbo, user_buffers);
547 if (unlikely(ret < 0)) {
548 if (ret != -ERESTARTSYS)
549 NV_PRINTK(err, cli, "validating bo list\n");
550 validate_fini(op, NULL, NULL);
564 u_memcpya(uint64_t user, unsigned nmemb, unsigned size)
567 void __user *userptr = (void __force __user *)(uintptr_t)user;
571 mem = kmalloc(size, GFP_KERNEL | __GFP_NOWARN);
575 return ERR_PTR(-ENOMEM);
577 if (copy_from_user(mem, userptr, size)) {
579 return ERR_PTR(-EFAULT);
586 nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli,
587 struct drm_nouveau_gem_pushbuf *req,
588 struct drm_nouveau_gem_pushbuf_bo *bo)
590 struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
594 reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc));
596 return PTR_ERR(reloc);
598 for (i = 0; i < req->nr_relocs; i++) {
599 struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i];
600 struct drm_nouveau_gem_pushbuf_bo *b;
601 struct nouveau_bo *nvbo;
604 if (unlikely(r->bo_index > req->nr_buffers)) {
605 NV_PRINTK(err, cli, "reloc bo index invalid\n");
610 b = &bo[r->bo_index];
611 if (b->presumed.valid)
614 if (unlikely(r->reloc_bo_index > req->nr_buffers)) {
615 NV_PRINTK(err, cli, "reloc container bo index invalid\n");
619 nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv;
621 if (unlikely(r->reloc_bo_offset + 4 >
622 nvbo->bo.mem.num_pages << PAGE_SHIFT)) {
623 NV_PRINTK(err, cli, "reloc outside of bo\n");
628 if (!nvbo->kmap.virtual) {
629 ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages,
632 NV_PRINTK(err, cli, "failed kmap for reloc\n");
635 nvbo->validate_mapped = true;
638 if (r->flags & NOUVEAU_GEM_RELOC_LOW)
639 data = b->presumed.offset + r->data;
641 if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
642 data = (b->presumed.offset + r->data) >> 32;
646 if (r->flags & NOUVEAU_GEM_RELOC_OR) {
647 if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART)
653 ret = ttm_bo_wait(&nvbo->bo, false, false);
655 NV_PRINTK(err, cli, "reloc wait_idle failed: %d\n", ret);
659 nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data);
667 nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
668 struct drm_file *file_priv)
670 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
671 struct nouveau_cli *cli = nouveau_cli(file_priv);
672 struct nouveau_abi16_chan *temp;
673 struct nouveau_drm *drm = nouveau_drm(dev);
674 struct drm_nouveau_gem_pushbuf *req = data;
675 struct drm_nouveau_gem_pushbuf_push *push;
676 struct drm_nouveau_gem_pushbuf_bo *bo;
677 struct nouveau_channel *chan = NULL;
678 struct validate_op op;
679 struct nouveau_fence *fence = NULL;
680 int i, j, ret = 0, do_reloc = 0;
682 if (unlikely(!abi16))
685 list_for_each_entry(temp, &abi16->channels, head) {
686 if (temp->chan->chid == req->channel) {
693 return nouveau_abi16_put(abi16, -ENOENT);
695 req->vram_available = drm->gem.vram_available;
696 req->gart_available = drm->gem.gart_available;
697 if (unlikely(req->nr_push == 0))
700 if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) {
701 NV_PRINTK(err, cli, "pushbuf push count exceeds limit: %d max %d\n",
702 req->nr_push, NOUVEAU_GEM_MAX_PUSH);
703 return nouveau_abi16_put(abi16, -EINVAL);
706 if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) {
707 NV_PRINTK(err, cli, "pushbuf bo count exceeds limit: %d max %d\n",
708 req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS);
709 return nouveau_abi16_put(abi16, -EINVAL);
712 if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) {
713 NV_PRINTK(err, cli, "pushbuf reloc count exceeds limit: %d max %d\n",
714 req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS);
715 return nouveau_abi16_put(abi16, -EINVAL);
718 push = u_memcpya(req->push, req->nr_push, sizeof(*push));
720 return nouveau_abi16_put(abi16, PTR_ERR(push));
722 bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
725 return nouveau_abi16_put(abi16, PTR_ERR(bo));
728 /* Ensure all push buffers are on validate list */
729 for (i = 0; i < req->nr_push; i++) {
730 if (push[i].bo_index >= req->nr_buffers) {
731 NV_PRINTK(err, cli, "push %d buffer not in list\n", i);
737 /* Validate buffer list */
738 ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers,
739 req->nr_buffers, &op, &do_reloc);
741 if (ret != -ERESTARTSYS)
742 NV_PRINTK(err, cli, "validate: %d\n", ret);
746 /* Apply any relocations that are required */
748 ret = nouveau_gem_pushbuf_reloc_apply(cli, req, bo);
750 NV_PRINTK(err, cli, "reloc apply: %d\n", ret);
755 if (chan->dma.ib_max) {
756 ret = nouveau_dma_wait(chan, req->nr_push + 1, 16);
758 NV_PRINTK(err, cli, "nv50cal_space: %d\n", ret);
762 for (i = 0; i < req->nr_push; i++) {
763 struct nouveau_bo *nvbo = (void *)(unsigned long)
764 bo[push[i].bo_index].user_priv;
766 nv50_dma_push(chan, nvbo, push[i].offset,
770 if (drm->client.device.info.chipset >= 0x25) {
771 ret = RING_SPACE(chan, req->nr_push * 2);
773 NV_PRINTK(err, cli, "cal_space: %d\n", ret);
777 for (i = 0; i < req->nr_push; i++) {
778 struct nouveau_bo *nvbo = (void *)(unsigned long)
779 bo[push[i].bo_index].user_priv;
781 OUT_RING(chan, (nvbo->bo.offset + push[i].offset) | 2);
785 ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS));
787 NV_PRINTK(err, cli, "jmp_space: %d\n", ret);
791 for (i = 0; i < req->nr_push; i++) {
792 struct nouveau_bo *nvbo = (void *)(unsigned long)
793 bo[push[i].bo_index].user_priv;
796 cmd = chan->push.vma.offset + ((chan->dma.cur + 2) << 2);
798 if (unlikely(cmd != req->suffix0)) {
799 if (!nvbo->kmap.virtual) {
800 ret = ttm_bo_kmap(&nvbo->bo, 0,
808 nvbo->validate_mapped = true;
811 nouveau_bo_wr32(nvbo, (push[i].offset +
812 push[i].length - 8) / 4, cmd);
815 OUT_RING(chan, 0x20000000 |
816 (nvbo->bo.offset + push[i].offset));
818 for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
823 ret = nouveau_fence_new(chan, false, &fence);
825 NV_PRINTK(err, cli, "error fencing pushbuf: %d\n", ret);
831 validate_fini(&op, fence, bo);
832 nouveau_fence_unref(&fence);
839 if (chan->dma.ib_max) {
840 req->suffix0 = 0x00000000;
841 req->suffix1 = 0x00000000;
843 if (drm->client.device.info.chipset >= 0x25) {
844 req->suffix0 = 0x00020000;
845 req->suffix1 = 0x00000000;
847 req->suffix0 = 0x20000000 |
848 (chan->push.vma.offset + ((chan->dma.cur + 2) << 2));
849 req->suffix1 = 0x00000000;
852 return nouveau_abi16_put(abi16, ret);
856 nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
857 struct drm_file *file_priv)
859 struct drm_nouveau_gem_cpu_prep *req = data;
860 struct drm_gem_object *gem;
861 struct nouveau_bo *nvbo;
862 bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT);
863 bool write = !!(req->flags & NOUVEAU_GEM_CPU_PREP_WRITE);
867 gem = drm_gem_object_lookup(file_priv, req->handle);
870 nvbo = nouveau_gem_object(gem);
872 lret = reservation_object_wait_timeout_rcu(nvbo->bo.resv, write, true,
873 no_wait ? 0 : 30 * HZ);
881 nouveau_bo_sync_for_cpu(nvbo);
882 drm_gem_object_unreference_unlocked(gem);
888 nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
889 struct drm_file *file_priv)
891 struct drm_nouveau_gem_cpu_fini *req = data;
892 struct drm_gem_object *gem;
893 struct nouveau_bo *nvbo;
895 gem = drm_gem_object_lookup(file_priv, req->handle);
898 nvbo = nouveau_gem_object(gem);
900 nouveau_bo_sync_for_device(nvbo);
901 drm_gem_object_unreference_unlocked(gem);
906 nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
907 struct drm_file *file_priv)
909 struct drm_nouveau_gem_info *req = data;
910 struct drm_gem_object *gem;
913 gem = drm_gem_object_lookup(file_priv, req->handle);
917 ret = nouveau_gem_info(file_priv, gem, req);
918 drm_gem_object_unreference_unlocked(gem);