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);
67 struct nouveau_vma *vma;
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 nouveau_vma *vma = data;
109 nouveau_vm_unmap(vma);
115 nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nouveau_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);
138 nouveau_vm_unmap(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 nouveau_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 ret = nouveau_bo_new(dev, size, align, flags, tile_mode,
193 tile_flags, NULL, NULL, pnvbo);
198 /* we restrict allowed domains on nv50+ to only the types
199 * that were requested at creation time. not possibly on
200 * earlier chips without busting the ABI.
202 nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM |
203 NOUVEAU_GEM_DOMAIN_GART;
204 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA)
205 nvbo->valid_domains &= domain;
207 /* Initialize the embedded gem-object. We return a single gem-reference
208 * to the caller, instead of a normal nouveau_bo ttm reference. */
209 ret = drm_gem_object_init(dev, &nvbo->gem, nvbo->bo.mem.size);
211 nouveau_bo_ref(NULL, pnvbo);
215 nvbo->bo.persistent_swap_storage = nvbo->gem.filp;
220 nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
221 struct drm_nouveau_gem_info *rep)
223 struct nouveau_cli *cli = nouveau_cli(file_priv);
224 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
225 struct nouveau_vma *vma;
227 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
228 rep->domain = NOUVEAU_GEM_DOMAIN_GART;
230 rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
232 rep->offset = nvbo->bo.offset;
234 vma = nouveau_bo_vma_find(nvbo, cli->vm);
238 rep->offset = vma->offset;
241 rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
242 rep->map_handle = drm_vma_node_offset_addr(&nvbo->bo.vma_node);
243 rep->tile_mode = nvbo->tile_mode;
244 rep->tile_flags = nvbo->tile_flags;
249 nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
250 struct drm_file *file_priv)
252 struct nouveau_drm *drm = nouveau_drm(dev);
253 struct nouveau_cli *cli = nouveau_cli(file_priv);
254 struct nouveau_fb *pfb = nvkm_fb(&drm->device);
255 struct drm_nouveau_gem_new *req = data;
256 struct nouveau_bo *nvbo = NULL;
259 if (!pfb->memtype_valid(pfb, req->info.tile_flags)) {
260 NV_PRINTK(error, cli, "bad page flags: 0x%08x\n", req->info.tile_flags);
264 ret = nouveau_gem_new(dev, req->info.size, req->align,
265 req->info.domain, req->info.tile_mode,
266 req->info.tile_flags, &nvbo);
270 ret = drm_gem_handle_create(file_priv, &nvbo->gem, &req->info.handle);
272 ret = nouveau_gem_info(file_priv, &nvbo->gem, &req->info);
274 drm_gem_handle_delete(file_priv, req->info.handle);
277 /* drop reference from allocate - handle holds it now */
278 drm_gem_object_unreference_unlocked(&nvbo->gem);
283 nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains,
284 uint32_t write_domains, uint32_t valid_domains)
286 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
287 struct ttm_buffer_object *bo = &nvbo->bo;
288 uint32_t domains = valid_domains & nvbo->valid_domains &
289 (write_domains ? write_domains : read_domains);
290 uint32_t pref_flags = 0, valid_flags = 0;
295 if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
296 valid_flags |= TTM_PL_FLAG_VRAM;
298 if (valid_domains & NOUVEAU_GEM_DOMAIN_GART)
299 valid_flags |= TTM_PL_FLAG_TT;
301 if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
302 bo->mem.mem_type == TTM_PL_VRAM)
303 pref_flags |= TTM_PL_FLAG_VRAM;
305 else if ((domains & NOUVEAU_GEM_DOMAIN_GART) &&
306 bo->mem.mem_type == TTM_PL_TT)
307 pref_flags |= TTM_PL_FLAG_TT;
309 else if (domains & NOUVEAU_GEM_DOMAIN_VRAM)
310 pref_flags |= TTM_PL_FLAG_VRAM;
313 pref_flags |= TTM_PL_FLAG_TT;
315 nouveau_bo_placement_set(nvbo, pref_flags, valid_flags);
321 struct list_head list;
322 struct ww_acquire_ctx ticket;
326 validate_fini_no_ticket(struct validate_op *op, struct nouveau_fence *fence,
327 struct drm_nouveau_gem_pushbuf_bo *pbbo)
329 struct nouveau_bo *nvbo;
330 struct drm_nouveau_gem_pushbuf_bo *b;
332 while (!list_empty(&op->list)) {
333 nvbo = list_entry(op->list.next, struct nouveau_bo, entry);
334 b = &pbbo[nvbo->pbbo_index];
337 nouveau_bo_fence(nvbo, fence, !!b->write_domains);
339 if (unlikely(nvbo->validate_mapped)) {
340 ttm_bo_kunmap(&nvbo->kmap);
341 nvbo->validate_mapped = false;
344 list_del(&nvbo->entry);
345 nvbo->reserved_by = NULL;
346 ttm_bo_unreserve_ticket(&nvbo->bo, &op->ticket);
347 drm_gem_object_unreference_unlocked(&nvbo->gem);
352 validate_fini(struct validate_op *op, struct nouveau_fence *fence,
353 struct drm_nouveau_gem_pushbuf_bo *pbbo)
355 validate_fini_no_ticket(op, fence, pbbo);
356 ww_acquire_fini(&op->ticket);
360 validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
361 struct drm_nouveau_gem_pushbuf_bo *pbbo,
362 int nr_buffers, struct validate_op *op)
364 struct nouveau_cli *cli = nouveau_cli(file_priv);
365 struct drm_device *dev = chan->drm->dev;
368 struct nouveau_bo *res_bo = NULL;
369 LIST_HEAD(gart_list);
370 LIST_HEAD(vram_list);
371 LIST_HEAD(both_list);
373 ww_acquire_init(&op->ticket, &reservation_ww_class);
375 if (++trycnt > 100000) {
376 NV_PRINTK(error, cli, "%s failed and gave up.\n", __func__);
380 for (i = 0; i < nr_buffers; i++) {
381 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i];
382 struct drm_gem_object *gem;
383 struct nouveau_bo *nvbo;
385 gem = drm_gem_object_lookup(dev, file_priv, b->handle);
387 NV_PRINTK(error, cli, "Unknown handle 0x%08x\n", b->handle);
391 nvbo = nouveau_gem_object(gem);
392 if (nvbo == res_bo) {
394 drm_gem_object_unreference_unlocked(gem);
398 if (nvbo->reserved_by && nvbo->reserved_by == file_priv) {
399 NV_PRINTK(error, cli, "multiple instances of buffer %d on "
400 "validation list\n", b->handle);
401 drm_gem_object_unreference_unlocked(gem);
406 ret = ttm_bo_reserve(&nvbo->bo, true, false, true, &op->ticket);
408 list_splice_tail_init(&vram_list, &op->list);
409 list_splice_tail_init(&gart_list, &op->list);
410 list_splice_tail_init(&both_list, &op->list);
411 validate_fini_no_ticket(op, NULL, NULL);
412 if (unlikely(ret == -EDEADLK)) {
413 ret = ttm_bo_reserve_slowpath(&nvbo->bo, true,
419 if (ret != -ERESTARTSYS)
420 NV_PRINTK(error, cli, "fail reserve\n");
425 b->user_priv = (uint64_t)(unsigned long)nvbo;
426 nvbo->reserved_by = file_priv;
427 nvbo->pbbo_index = i;
428 if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
429 (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART))
430 list_add_tail(&nvbo->entry, &both_list);
432 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
433 list_add_tail(&nvbo->entry, &vram_list);
435 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)
436 list_add_tail(&nvbo->entry, &gart_list);
438 NV_PRINTK(error, cli, "invalid valid domains: 0x%08x\n",
440 list_add_tail(&nvbo->entry, &both_list);
448 ww_acquire_done(&op->ticket);
449 list_splice_tail(&vram_list, &op->list);
450 list_splice_tail(&gart_list, &op->list);
451 list_splice_tail(&both_list, &op->list);
453 validate_fini(op, NULL, NULL);
459 validate_list(struct nouveau_channel *chan, struct nouveau_cli *cli,
460 struct list_head *list, struct drm_nouveau_gem_pushbuf_bo *pbbo,
461 uint64_t user_pbbo_ptr)
463 struct nouveau_drm *drm = chan->drm;
464 struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
465 (void __force __user *)(uintptr_t)user_pbbo_ptr;
466 struct nouveau_bo *nvbo;
469 list_for_each_entry(nvbo, list, entry) {
470 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index];
472 ret = nouveau_gem_set_domain(&nvbo->gem, b->read_domains,
476 NV_PRINTK(error, cli, "fail set_domain\n");
480 ret = nouveau_bo_validate(nvbo, true, false);
482 if (ret != -ERESTARTSYS)
483 NV_PRINTK(error, cli, "fail ttm_validate\n");
487 ret = nouveau_fence_sync(nvbo, chan, !!b->write_domains, true);
489 if (ret != -ERESTARTSYS)
490 NV_PRINTK(error, cli, "fail post-validate sync\n");
494 if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) {
495 if (nvbo->bo.offset == b->presumed.offset &&
496 ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
497 b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
498 (nvbo->bo.mem.mem_type == TTM_PL_TT &&
499 b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART)))
502 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
503 b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
505 b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
506 b->presumed.offset = nvbo->bo.offset;
507 b->presumed.valid = 0;
510 if (copy_to_user(&upbbo[nvbo->pbbo_index].presumed,
511 &b->presumed, sizeof(b->presumed)))
520 nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
521 struct drm_file *file_priv,
522 struct drm_nouveau_gem_pushbuf_bo *pbbo,
523 uint64_t user_buffers, int nr_buffers,
524 struct validate_op *op, int *apply_relocs)
526 struct nouveau_cli *cli = nouveau_cli(file_priv);
529 INIT_LIST_HEAD(&op->list);
534 ret = validate_init(chan, file_priv, pbbo, nr_buffers, op);
536 if (ret != -ERESTARTSYS)
537 NV_PRINTK(error, cli, "validate_init\n");
541 ret = validate_list(chan, cli, &op->list, pbbo, user_buffers);
542 if (unlikely(ret < 0)) {
543 if (ret != -ERESTARTSYS)
544 NV_PRINTK(error, cli, "validating bo list\n");
545 validate_fini(op, NULL, NULL);
555 if (!is_vmalloc_addr(addr))
562 u_memcpya(uint64_t user, unsigned nmemb, unsigned size)
565 void __user *userptr = (void __force __user *)(uintptr_t)user;
569 mem = kmalloc(size, GFP_KERNEL | __GFP_NOWARN);
573 return ERR_PTR(-ENOMEM);
575 if (copy_from_user(mem, userptr, size)) {
577 return ERR_PTR(-EFAULT);
584 nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli,
585 struct drm_nouveau_gem_pushbuf *req,
586 struct drm_nouveau_gem_pushbuf_bo *bo)
588 struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
592 reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc));
594 return PTR_ERR(reloc);
596 for (i = 0; i < req->nr_relocs; i++) {
597 struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i];
598 struct drm_nouveau_gem_pushbuf_bo *b;
599 struct nouveau_bo *nvbo;
602 if (unlikely(r->bo_index > req->nr_buffers)) {
603 NV_PRINTK(error, cli, "reloc bo index invalid\n");
608 b = &bo[r->bo_index];
609 if (b->presumed.valid)
612 if (unlikely(r->reloc_bo_index > req->nr_buffers)) {
613 NV_PRINTK(error, cli, "reloc container bo index invalid\n");
617 nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv;
619 if (unlikely(r->reloc_bo_offset + 4 >
620 nvbo->bo.mem.num_pages << PAGE_SHIFT)) {
621 NV_PRINTK(error, cli, "reloc outside of bo\n");
626 if (!nvbo->kmap.virtual) {
627 ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages,
630 NV_PRINTK(error, cli, "failed kmap for reloc\n");
633 nvbo->validate_mapped = true;
636 if (r->flags & NOUVEAU_GEM_RELOC_LOW)
637 data = b->presumed.offset + r->data;
639 if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
640 data = (b->presumed.offset + r->data) >> 32;
644 if (r->flags & NOUVEAU_GEM_RELOC_OR) {
645 if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART)
651 ret = ttm_bo_wait(&nvbo->bo, true, false, false);
653 NV_PRINTK(error, cli, "reloc wait_idle failed: %d\n", ret);
657 nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data);
665 nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
666 struct drm_file *file_priv)
668 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
669 struct nouveau_cli *cli = nouveau_cli(file_priv);
670 struct nouveau_abi16_chan *temp;
671 struct nouveau_drm *drm = nouveau_drm(dev);
672 struct drm_nouveau_gem_pushbuf *req = data;
673 struct drm_nouveau_gem_pushbuf_push *push;
674 struct drm_nouveau_gem_pushbuf_bo *bo;
675 struct nouveau_channel *chan = NULL;
676 struct validate_op op;
677 struct nouveau_fence *fence = NULL;
678 int i, j, ret = 0, do_reloc = 0;
680 if (unlikely(!abi16))
683 list_for_each_entry(temp, &abi16->channels, head) {
684 if (temp->chan->object->handle == (NVDRM_CHAN | req->channel)) {
691 return nouveau_abi16_put(abi16, -ENOENT);
693 req->vram_available = drm->gem.vram_available;
694 req->gart_available = drm->gem.gart_available;
695 if (unlikely(req->nr_push == 0))
698 if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) {
699 NV_PRINTK(error, cli, "pushbuf push count exceeds limit: %d max %d\n",
700 req->nr_push, NOUVEAU_GEM_MAX_PUSH);
701 return nouveau_abi16_put(abi16, -EINVAL);
704 if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) {
705 NV_PRINTK(error, cli, "pushbuf bo count exceeds limit: %d max %d\n",
706 req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS);
707 return nouveau_abi16_put(abi16, -EINVAL);
710 if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) {
711 NV_PRINTK(error, cli, "pushbuf reloc count exceeds limit: %d max %d\n",
712 req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS);
713 return nouveau_abi16_put(abi16, -EINVAL);
716 push = u_memcpya(req->push, req->nr_push, sizeof(*push));
718 return nouveau_abi16_put(abi16, PTR_ERR(push));
720 bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
723 return nouveau_abi16_put(abi16, PTR_ERR(bo));
726 /* Ensure all push buffers are on validate list */
727 for (i = 0; i < req->nr_push; i++) {
728 if (push[i].bo_index >= req->nr_buffers) {
729 NV_PRINTK(error, cli, "push %d buffer not in list\n", i);
735 /* Validate buffer list */
736 ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers,
737 req->nr_buffers, &op, &do_reloc);
739 if (ret != -ERESTARTSYS)
740 NV_PRINTK(error, cli, "validate: %d\n", ret);
744 /* Apply any relocations that are required */
746 ret = nouveau_gem_pushbuf_reloc_apply(cli, req, bo);
748 NV_PRINTK(error, cli, "reloc apply: %d\n", ret);
753 if (chan->dma.ib_max) {
754 ret = nouveau_dma_wait(chan, req->nr_push + 1, 16);
756 NV_PRINTK(error, cli, "nv50cal_space: %d\n", ret);
760 for (i = 0; i < req->nr_push; i++) {
761 struct nouveau_bo *nvbo = (void *)(unsigned long)
762 bo[push[i].bo_index].user_priv;
764 nv50_dma_push(chan, nvbo, push[i].offset,
768 if (drm->device.info.chipset >= 0x25) {
769 ret = RING_SPACE(chan, req->nr_push * 2);
771 NV_PRINTK(error, cli, "cal_space: %d\n", ret);
775 for (i = 0; i < req->nr_push; i++) {
776 struct nouveau_bo *nvbo = (void *)(unsigned long)
777 bo[push[i].bo_index].user_priv;
779 OUT_RING(chan, (nvbo->bo.offset + push[i].offset) | 2);
783 ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS));
785 NV_PRINTK(error, cli, "jmp_space: %d\n", ret);
789 for (i = 0; i < req->nr_push; i++) {
790 struct nouveau_bo *nvbo = (void *)(unsigned long)
791 bo[push[i].bo_index].user_priv;
794 cmd = chan->push.vma.offset + ((chan->dma.cur + 2) << 2);
796 if (unlikely(cmd != req->suffix0)) {
797 if (!nvbo->kmap.virtual) {
798 ret = ttm_bo_kmap(&nvbo->bo, 0,
806 nvbo->validate_mapped = true;
809 nouveau_bo_wr32(nvbo, (push[i].offset +
810 push[i].length - 8) / 4, cmd);
813 OUT_RING(chan, 0x20000000 |
814 (nvbo->bo.offset + push[i].offset));
816 for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
821 ret = nouveau_fence_new(chan, false, &fence);
823 NV_PRINTK(error, cli, "error fencing pushbuf: %d\n", ret);
829 validate_fini(&op, fence, bo);
830 nouveau_fence_unref(&fence);
837 if (chan->dma.ib_max) {
838 req->suffix0 = 0x00000000;
839 req->suffix1 = 0x00000000;
841 if (drm->device.info.chipset >= 0x25) {
842 req->suffix0 = 0x00020000;
843 req->suffix1 = 0x00000000;
845 req->suffix0 = 0x20000000 |
846 (chan->push.vma.offset + ((chan->dma.cur + 2) << 2));
847 req->suffix1 = 0x00000000;
850 return nouveau_abi16_put(abi16, ret);
853 static inline uint32_t
854 domain_to_ttm(struct nouveau_bo *nvbo, uint32_t domain)
858 if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
859 flags |= TTM_PL_FLAG_VRAM;
860 if (domain & NOUVEAU_GEM_DOMAIN_GART)
861 flags |= TTM_PL_FLAG_TT;
867 nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
868 struct drm_file *file_priv)
870 struct drm_nouveau_gem_cpu_prep *req = data;
871 struct drm_gem_object *gem;
872 struct nouveau_bo *nvbo;
873 bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT);
874 bool write = !!(req->flags & NOUVEAU_GEM_CPU_PREP_WRITE);
877 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
880 nvbo = nouveau_gem_object(gem);
883 ret = reservation_object_test_signaled_rcu(nvbo->bo.resv, write) ? 0 : -EBUSY;
887 lret = reservation_object_wait_timeout_rcu(nvbo->bo.resv, write, true, 30 * HZ);
895 nouveau_bo_sync_for_cpu(nvbo);
896 drm_gem_object_unreference_unlocked(gem);
902 nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
903 struct drm_file *file_priv)
905 struct drm_nouveau_gem_cpu_fini *req = data;
906 struct drm_gem_object *gem;
907 struct nouveau_bo *nvbo;
909 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
912 nvbo = nouveau_gem_object(gem);
914 nouveau_bo_sync_for_device(nvbo);
915 drm_gem_object_unreference_unlocked(gem);
920 nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
921 struct drm_file *file_priv)
923 struct drm_nouveau_gem_info *req = data;
924 struct drm_gem_object *gem;
927 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
931 ret = nouveau_gem_info(file_priv, gem, req);
932 drm_gem_object_unreference_unlocked(gem);