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"
34 #include "nouveau_mem.h"
35 #include "nouveau_vmm.h"
37 #include <nvif/class.h>
40 nouveau_gem_object_del(struct drm_gem_object *gem)
42 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
43 struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
44 struct device *dev = drm->dev->dev;
47 ret = pm_runtime_get_sync(dev);
48 if (WARN_ON(ret < 0 && ret != -EACCES))
51 if (gem->import_attach)
52 drm_prime_gem_destroy(gem, nvbo->bo.sg);
54 ttm_bo_put(&nvbo->bo);
56 pm_runtime_mark_last_busy(dev);
57 pm_runtime_put_autosuspend(dev);
61 nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
63 struct nouveau_cli *cli = nouveau_cli(file_priv);
64 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
65 struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
66 struct device *dev = drm->dev->dev;
67 struct nouveau_vmm *vmm = cli->svm.cli ? &cli->svm : &cli->vmm;
68 struct nouveau_vma *vma;
71 if (vmm->vmm.object.oclass < NVIF_CLASS_VMM_NV50)
74 ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
78 ret = pm_runtime_get_sync(dev);
79 if (ret < 0 && ret != -EACCES)
82 ret = nouveau_vma_new(nvbo, vmm, &vma);
83 pm_runtime_mark_last_busy(dev);
84 pm_runtime_put_autosuspend(dev);
86 ttm_bo_unreserve(&nvbo->bo);
90 struct nouveau_gem_object_unmap {
91 struct nouveau_cli_work work;
92 struct nouveau_vma *vma;
96 nouveau_gem_object_delete(struct nouveau_vma *vma)
98 nouveau_fence_unref(&vma->fence);
99 nouveau_vma_del(&vma);
103 nouveau_gem_object_delete_work(struct nouveau_cli_work *w)
105 struct nouveau_gem_object_unmap *work =
106 container_of(w, typeof(*work), work);
107 nouveau_gem_object_delete(work->vma);
112 nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nouveau_vma *vma)
114 struct dma_fence *fence = vma->fence ? &vma->fence->base : NULL;
115 struct nouveau_gem_object_unmap *work;
117 list_del_init(&vma->head);
120 nouveau_gem_object_delete(vma);
124 if (!(work = kmalloc(sizeof(*work), GFP_KERNEL))) {
125 WARN_ON(dma_fence_wait_timeout(fence, false, 2 * HZ) <= 0);
126 nouveau_gem_object_delete(vma);
130 work->work.func = nouveau_gem_object_delete_work;
132 nouveau_cli_work_queue(vma->vmm->cli, fence, &work->work);
136 nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
138 struct nouveau_cli *cli = nouveau_cli(file_priv);
139 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
140 struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
141 struct device *dev = drm->dev->dev;
142 struct nouveau_vmm *vmm = cli->svm.cli ? &cli->svm : & cli->vmm;
143 struct nouveau_vma *vma;
146 if (vmm->vmm.object.oclass < NVIF_CLASS_VMM_NV50)
149 ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
153 vma = nouveau_vma_find(nvbo, vmm);
155 if (--vma->refs == 0) {
156 ret = pm_runtime_get_sync(dev);
157 if (!WARN_ON(ret < 0 && ret != -EACCES)) {
158 nouveau_gem_object_unmap(nvbo, vma);
159 pm_runtime_mark_last_busy(dev);
160 pm_runtime_put_autosuspend(dev);
164 ttm_bo_unreserve(&nvbo->bo);
168 nouveau_gem_new(struct nouveau_cli *cli, u64 size, int align, uint32_t domain,
169 uint32_t tile_mode, uint32_t tile_flags,
170 struct nouveau_bo **pnvbo)
172 struct nouveau_drm *drm = cli->drm;
173 struct nouveau_bo *nvbo;
177 if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
178 flags |= TTM_PL_FLAG_VRAM;
179 if (domain & NOUVEAU_GEM_DOMAIN_GART)
180 flags |= TTM_PL_FLAG_TT;
181 if (!flags || domain & NOUVEAU_GEM_DOMAIN_CPU)
182 flags |= TTM_PL_FLAG_SYSTEM;
184 if (domain & NOUVEAU_GEM_DOMAIN_COHERENT)
185 flags |= TTM_PL_FLAG_UNCACHED;
187 nvbo = nouveau_bo_alloc(cli, &size, &align, flags, tile_mode,
190 return PTR_ERR(nvbo);
192 /* Initialize the embedded gem-object. We return a single gem-reference
193 * to the caller, instead of a normal nouveau_bo ttm reference. */
194 ret = drm_gem_object_init(drm->dev, &nvbo->bo.base, size);
196 nouveau_bo_ref(NULL, &nvbo);
200 ret = nouveau_bo_init(nvbo, size, align, flags, NULL, NULL);
202 nouveau_bo_ref(NULL, &nvbo);
206 /* we restrict allowed domains on nv50+ to only the types
207 * that were requested at creation time. not possibly on
208 * earlier chips without busting the ABI.
210 nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM |
211 NOUVEAU_GEM_DOMAIN_GART;
212 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA)
213 nvbo->valid_domains &= domain;
215 nvbo->bo.persistent_swap_storage = nvbo->bo.base.filp;
221 nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
222 struct drm_nouveau_gem_info *rep)
224 struct nouveau_cli *cli = nouveau_cli(file_priv);
225 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
226 struct nouveau_vmm *vmm = cli->svm.cli ? &cli->svm : &cli->vmm;
227 struct nouveau_vma *vma;
229 if (is_power_of_2(nvbo->valid_domains))
230 rep->domain = nvbo->valid_domains;
231 else if (nvbo->bo.mem.mem_type == TTM_PL_TT)
232 rep->domain = NOUVEAU_GEM_DOMAIN_GART;
234 rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
235 rep->offset = nvbo->bo.offset;
236 if (vmm->vmm.object.oclass >= NVIF_CLASS_VMM_NV50) {
237 vma = nouveau_vma_find(nvbo, vmm);
241 rep->offset = vma->addr;
244 rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
245 rep->map_handle = drm_vma_node_offset_addr(&nvbo->bo.base.vma_node);
246 rep->tile_mode = nvbo->mode;
247 rep->tile_flags = nvbo->contig ? 0 : NOUVEAU_GEM_TILE_NONCONTIG;
248 if (cli->device.info.family >= NV_DEVICE_INFO_V0_FERMI)
249 rep->tile_flags |= nvbo->kind << 8;
251 if (cli->device.info.family >= NV_DEVICE_INFO_V0_TESLA)
252 rep->tile_flags |= nvbo->kind << 8 | nvbo->comp << 16;
254 rep->tile_flags |= nvbo->zeta;
259 nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
260 struct drm_file *file_priv)
262 struct nouveau_cli *cli = nouveau_cli(file_priv);
263 struct drm_nouveau_gem_new *req = data;
264 struct nouveau_bo *nvbo = NULL;
267 ret = nouveau_gem_new(cli, req->info.size, req->align,
268 req->info.domain, req->info.tile_mode,
269 req->info.tile_flags, &nvbo);
273 ret = drm_gem_handle_create(file_priv, &nvbo->bo.base,
276 ret = nouveau_gem_info(file_priv, &nvbo->bo.base, &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_put_unlocked(&nvbo->bo.base);
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_channel *chan,
331 struct nouveau_fence *fence,
332 struct drm_nouveau_gem_pushbuf_bo *pbbo)
334 struct nouveau_bo *nvbo;
335 struct drm_nouveau_gem_pushbuf_bo *b;
337 while (!list_empty(&op->list)) {
338 nvbo = list_entry(op->list.next, struct nouveau_bo, entry);
339 b = &pbbo[nvbo->pbbo_index];
342 nouveau_bo_fence(nvbo, fence, !!b->write_domains);
344 if (chan->vmm->vmm.object.oclass >= NVIF_CLASS_VMM_NV50) {
345 struct nouveau_vma *vma =
346 (void *)(unsigned long)b->user_priv;
347 nouveau_fence_unref(&vma->fence);
348 dma_fence_get(&fence->base);
353 if (unlikely(nvbo->validate_mapped)) {
354 ttm_bo_kunmap(&nvbo->kmap);
355 nvbo->validate_mapped = false;
358 list_del(&nvbo->entry);
359 nvbo->reserved_by = NULL;
360 ttm_bo_unreserve(&nvbo->bo);
361 drm_gem_object_put_unlocked(&nvbo->bo.base);
366 validate_fini(struct validate_op *op, struct nouveau_channel *chan,
367 struct nouveau_fence *fence,
368 struct drm_nouveau_gem_pushbuf_bo *pbbo)
370 validate_fini_no_ticket(op, chan, fence, pbbo);
371 ww_acquire_fini(&op->ticket);
375 validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
376 struct drm_nouveau_gem_pushbuf_bo *pbbo,
377 int nr_buffers, struct validate_op *op)
379 struct nouveau_cli *cli = nouveau_cli(file_priv);
381 int ret = -EINVAL, i;
382 struct nouveau_bo *res_bo = NULL;
383 LIST_HEAD(gart_list);
384 LIST_HEAD(vram_list);
385 LIST_HEAD(both_list);
387 ww_acquire_init(&op->ticket, &reservation_ww_class);
389 if (++trycnt > 100000) {
390 NV_PRINTK(err, cli, "%s failed and gave up.\n", __func__);
394 for (i = 0; i < nr_buffers; i++) {
395 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i];
396 struct drm_gem_object *gem;
397 struct nouveau_bo *nvbo;
399 gem = drm_gem_object_lookup(file_priv, b->handle);
401 NV_PRINTK(err, cli, "Unknown handle 0x%08x\n", b->handle);
405 nvbo = nouveau_gem_object(gem);
406 if (nvbo == res_bo) {
408 drm_gem_object_put_unlocked(gem);
412 if (nvbo->reserved_by && nvbo->reserved_by == file_priv) {
413 NV_PRINTK(err, cli, "multiple instances of buffer %d on "
414 "validation list\n", b->handle);
415 drm_gem_object_put_unlocked(gem);
420 ret = ttm_bo_reserve(&nvbo->bo, true, false, &op->ticket);
422 list_splice_tail_init(&vram_list, &op->list);
423 list_splice_tail_init(&gart_list, &op->list);
424 list_splice_tail_init(&both_list, &op->list);
425 validate_fini_no_ticket(op, chan, NULL, NULL);
426 if (unlikely(ret == -EDEADLK)) {
427 ret = ttm_bo_reserve_slowpath(&nvbo->bo, true,
433 if (ret != -ERESTARTSYS)
434 NV_PRINTK(err, cli, "fail reserve\n");
439 if (chan->vmm->vmm.object.oclass >= NVIF_CLASS_VMM_NV50) {
440 struct nouveau_vmm *vmm = chan->vmm;
441 struct nouveau_vma *vma = nouveau_vma_find(nvbo, vmm);
443 NV_PRINTK(err, cli, "vma not found!\n");
448 b->user_priv = (uint64_t)(unsigned long)vma;
450 b->user_priv = (uint64_t)(unsigned long)nvbo;
453 nvbo->reserved_by = file_priv;
454 nvbo->pbbo_index = i;
455 if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
456 (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART))
457 list_add_tail(&nvbo->entry, &both_list);
459 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
460 list_add_tail(&nvbo->entry, &vram_list);
462 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)
463 list_add_tail(&nvbo->entry, &gart_list);
465 NV_PRINTK(err, cli, "invalid valid domains: 0x%08x\n",
467 list_add_tail(&nvbo->entry, &both_list);
475 ww_acquire_done(&op->ticket);
476 list_splice_tail(&vram_list, &op->list);
477 list_splice_tail(&gart_list, &op->list);
478 list_splice_tail(&both_list, &op->list);
480 validate_fini(op, chan, NULL, NULL);
486 validate_list(struct nouveau_channel *chan, struct nouveau_cli *cli,
487 struct list_head *list, struct drm_nouveau_gem_pushbuf_bo *pbbo,
488 uint64_t user_pbbo_ptr)
490 struct nouveau_drm *drm = chan->drm;
491 struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
492 (void __force __user *)(uintptr_t)user_pbbo_ptr;
493 struct nouveau_bo *nvbo;
496 list_for_each_entry(nvbo, list, entry) {
497 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index];
499 ret = nouveau_gem_set_domain(&nvbo->bo.base, b->read_domains,
503 NV_PRINTK(err, cli, "fail set_domain\n");
507 ret = nouveau_bo_validate(nvbo, true, false);
509 if (ret != -ERESTARTSYS)
510 NV_PRINTK(err, cli, "fail ttm_validate\n");
514 ret = nouveau_fence_sync(nvbo, chan, !!b->write_domains, true);
516 if (ret != -ERESTARTSYS)
517 NV_PRINTK(err, cli, "fail post-validate sync\n");
521 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
522 if (nvbo->bo.offset == b->presumed.offset &&
523 ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
524 b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
525 (nvbo->bo.mem.mem_type == TTM_PL_TT &&
526 b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART)))
529 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
530 b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
532 b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
533 b->presumed.offset = nvbo->bo.offset;
534 b->presumed.valid = 0;
537 if (copy_to_user(&upbbo[nvbo->pbbo_index].presumed,
538 &b->presumed, sizeof(b->presumed)))
547 nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
548 struct drm_file *file_priv,
549 struct drm_nouveau_gem_pushbuf_bo *pbbo,
550 uint64_t user_buffers, int nr_buffers,
551 struct validate_op *op, int *apply_relocs)
553 struct nouveau_cli *cli = nouveau_cli(file_priv);
556 INIT_LIST_HEAD(&op->list);
561 ret = validate_init(chan, file_priv, pbbo, nr_buffers, op);
563 if (ret != -ERESTARTSYS)
564 NV_PRINTK(err, cli, "validate_init\n");
568 ret = validate_list(chan, cli, &op->list, pbbo, user_buffers);
569 if (unlikely(ret < 0)) {
570 if (ret != -ERESTARTSYS)
571 NV_PRINTK(err, cli, "validating bo list\n");
572 validate_fini(op, chan, NULL, NULL);
586 u_memcpya(uint64_t user, unsigned nmemb, unsigned size)
589 void __user *userptr = (void __force __user *)(uintptr_t)user;
593 mem = kvmalloc(size, GFP_KERNEL);
595 return ERR_PTR(-ENOMEM);
597 if (copy_from_user(mem, userptr, size)) {
599 return ERR_PTR(-EFAULT);
606 nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli,
607 struct drm_nouveau_gem_pushbuf *req,
608 struct drm_nouveau_gem_pushbuf_bo *bo)
610 struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
614 reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc));
616 return PTR_ERR(reloc);
618 for (i = 0; i < req->nr_relocs; i++) {
619 struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i];
620 struct drm_nouveau_gem_pushbuf_bo *b;
621 struct nouveau_bo *nvbo;
624 if (unlikely(r->bo_index >= req->nr_buffers)) {
625 NV_PRINTK(err, cli, "reloc bo index invalid\n");
630 b = &bo[r->bo_index];
631 if (b->presumed.valid)
634 if (unlikely(r->reloc_bo_index >= req->nr_buffers)) {
635 NV_PRINTK(err, cli, "reloc container bo index invalid\n");
639 nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv;
641 if (unlikely(r->reloc_bo_offset + 4 >
642 nvbo->bo.mem.num_pages << PAGE_SHIFT)) {
643 NV_PRINTK(err, cli, "reloc outside of bo\n");
648 if (!nvbo->kmap.virtual) {
649 ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages,
652 NV_PRINTK(err, cli, "failed kmap for reloc\n");
655 nvbo->validate_mapped = true;
658 if (r->flags & NOUVEAU_GEM_RELOC_LOW)
659 data = b->presumed.offset + r->data;
661 if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
662 data = (b->presumed.offset + r->data) >> 32;
666 if (r->flags & NOUVEAU_GEM_RELOC_OR) {
667 if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART)
673 ret = ttm_bo_wait(&nvbo->bo, false, false);
675 NV_PRINTK(err, cli, "reloc wait_idle failed: %d\n", ret);
679 nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data);
687 nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
688 struct drm_file *file_priv)
690 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
691 struct nouveau_cli *cli = nouveau_cli(file_priv);
692 struct nouveau_abi16_chan *temp;
693 struct nouveau_drm *drm = nouveau_drm(dev);
694 struct drm_nouveau_gem_pushbuf *req = data;
695 struct drm_nouveau_gem_pushbuf_push *push;
696 struct drm_nouveau_gem_pushbuf_bo *bo;
697 struct nouveau_channel *chan = NULL;
698 struct validate_op op;
699 struct nouveau_fence *fence = NULL;
700 int i, j, ret = 0, do_reloc = 0;
702 if (unlikely(!abi16))
705 list_for_each_entry(temp, &abi16->channels, head) {
706 if (temp->chan->chid == req->channel) {
713 return nouveau_abi16_put(abi16, -ENOENT);
715 req->vram_available = drm->gem.vram_available;
716 req->gart_available = drm->gem.gart_available;
717 if (unlikely(req->nr_push == 0))
720 if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) {
721 NV_PRINTK(err, cli, "pushbuf push count exceeds limit: %d max %d\n",
722 req->nr_push, NOUVEAU_GEM_MAX_PUSH);
723 return nouveau_abi16_put(abi16, -EINVAL);
726 if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) {
727 NV_PRINTK(err, cli, "pushbuf bo count exceeds limit: %d max %d\n",
728 req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS);
729 return nouveau_abi16_put(abi16, -EINVAL);
732 if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) {
733 NV_PRINTK(err, cli, "pushbuf reloc count exceeds limit: %d max %d\n",
734 req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS);
735 return nouveau_abi16_put(abi16, -EINVAL);
738 push = u_memcpya(req->push, req->nr_push, sizeof(*push));
740 return nouveau_abi16_put(abi16, PTR_ERR(push));
742 bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
745 return nouveau_abi16_put(abi16, PTR_ERR(bo));
748 /* Ensure all push buffers are on validate list */
749 for (i = 0; i < req->nr_push; i++) {
750 if (push[i].bo_index >= req->nr_buffers) {
751 NV_PRINTK(err, cli, "push %d buffer not in list\n", i);
757 /* Validate buffer list */
758 ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers,
759 req->nr_buffers, &op, &do_reloc);
761 if (ret != -ERESTARTSYS)
762 NV_PRINTK(err, cli, "validate: %d\n", ret);
766 /* Apply any relocations that are required */
768 ret = nouveau_gem_pushbuf_reloc_apply(cli, req, bo);
770 NV_PRINTK(err, cli, "reloc apply: %d\n", ret);
775 if (chan->dma.ib_max) {
776 ret = nouveau_dma_wait(chan, req->nr_push + 1, 16);
778 NV_PRINTK(err, cli, "nv50cal_space: %d\n", ret);
782 for (i = 0; i < req->nr_push; i++) {
783 struct nouveau_vma *vma = (void *)(unsigned long)
784 bo[push[i].bo_index].user_priv;
786 nv50_dma_push(chan, vma->addr + push[i].offset,
790 if (drm->client.device.info.chipset >= 0x25) {
791 ret = RING_SPACE(chan, req->nr_push * 2);
793 NV_PRINTK(err, cli, "cal_space: %d\n", ret);
797 for (i = 0; i < req->nr_push; i++) {
798 struct nouveau_bo *nvbo = (void *)(unsigned long)
799 bo[push[i].bo_index].user_priv;
801 OUT_RING(chan, (nvbo->bo.offset + push[i].offset) | 2);
805 ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS));
807 NV_PRINTK(err, cli, "jmp_space: %d\n", ret);
811 for (i = 0; i < req->nr_push; i++) {
812 struct nouveau_bo *nvbo = (void *)(unsigned long)
813 bo[push[i].bo_index].user_priv;
816 cmd = chan->push.addr + ((chan->dma.cur + 2) << 2);
818 if (unlikely(cmd != req->suffix0)) {
819 if (!nvbo->kmap.virtual) {
820 ret = ttm_bo_kmap(&nvbo->bo, 0,
828 nvbo->validate_mapped = true;
831 nouveau_bo_wr32(nvbo, (push[i].offset +
832 push[i].length - 8) / 4, cmd);
835 OUT_RING(chan, 0x20000000 |
836 (nvbo->bo.offset + push[i].offset));
838 for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
843 ret = nouveau_fence_new(chan, false, &fence);
845 NV_PRINTK(err, cli, "error fencing pushbuf: %d\n", ret);
851 validate_fini(&op, chan, fence, bo);
852 nouveau_fence_unref(&fence);
859 if (chan->dma.ib_max) {
860 req->suffix0 = 0x00000000;
861 req->suffix1 = 0x00000000;
863 if (drm->client.device.info.chipset >= 0x25) {
864 req->suffix0 = 0x00020000;
865 req->suffix1 = 0x00000000;
867 req->suffix0 = 0x20000000 |
868 (chan->push.addr + ((chan->dma.cur + 2) << 2));
869 req->suffix1 = 0x00000000;
872 return nouveau_abi16_put(abi16, ret);
876 nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
877 struct drm_file *file_priv)
879 struct drm_nouveau_gem_cpu_prep *req = data;
880 struct drm_gem_object *gem;
881 struct nouveau_bo *nvbo;
882 bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT);
883 bool write = !!(req->flags & NOUVEAU_GEM_CPU_PREP_WRITE);
887 gem = drm_gem_object_lookup(file_priv, req->handle);
890 nvbo = nouveau_gem_object(gem);
892 lret = dma_resv_wait_timeout_rcu(nvbo->bo.base.resv, write, true,
893 no_wait ? 0 : 30 * HZ);
901 nouveau_bo_sync_for_cpu(nvbo);
902 drm_gem_object_put_unlocked(gem);
908 nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
909 struct drm_file *file_priv)
911 struct drm_nouveau_gem_cpu_fini *req = data;
912 struct drm_gem_object *gem;
913 struct nouveau_bo *nvbo;
915 gem = drm_gem_object_lookup(file_priv, req->handle);
918 nvbo = nouveau_gem_object(gem);
920 nouveau_bo_sync_for_device(nvbo);
921 drm_gem_object_put_unlocked(gem);
926 nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
927 struct drm_file *file_priv)
929 struct drm_nouveau_gem_info *req = data;
930 struct drm_gem_object *gem;
933 gem = drm_gem_object_lookup(file_priv, req->handle);
937 ret = nouveau_gem_info(file_priv, gem, req);
938 drm_gem_object_put_unlocked(gem);