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 <drm/drm_gem_ttm_helper.h>
29 #include "nouveau_drv.h"
30 #include "nouveau_dma.h"
31 #include "nouveau_fence.h"
32 #include "nouveau_abi16.h"
34 #include "nouveau_ttm.h"
35 #include "nouveau_gem.h"
36 #include "nouveau_mem.h"
37 #include "nouveau_vmm.h"
39 #include <nvif/class.h>
40 #include <nvif/push206e.h>
43 nouveau_gem_object_del(struct drm_gem_object *gem)
45 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
46 struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
47 struct device *dev = drm->dev->dev;
50 ret = pm_runtime_get_sync(dev);
51 if (WARN_ON(ret < 0 && ret != -EACCES)) {
52 pm_runtime_put_autosuspend(dev);
56 if (gem->import_attach)
57 drm_prime_gem_destroy(gem, nvbo->bo.sg);
59 ttm_bo_put(&nvbo->bo);
61 pm_runtime_mark_last_busy(dev);
62 pm_runtime_put_autosuspend(dev);
66 nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
68 struct nouveau_cli *cli = nouveau_cli(file_priv);
69 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
70 struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
71 struct device *dev = drm->dev->dev;
72 struct nouveau_vmm *vmm = cli->svm.cli ? &cli->svm : &cli->vmm;
73 struct nouveau_vma *vma;
76 if (vmm->vmm.object.oclass < NVIF_CLASS_VMM_NV50)
79 ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
83 ret = pm_runtime_get_sync(dev);
84 if (ret < 0 && ret != -EACCES) {
85 pm_runtime_put_autosuspend(dev);
89 ret = nouveau_vma_new(nvbo, vmm, &vma);
90 pm_runtime_mark_last_busy(dev);
91 pm_runtime_put_autosuspend(dev);
93 ttm_bo_unreserve(&nvbo->bo);
97 struct nouveau_gem_object_unmap {
98 struct nouveau_cli_work work;
99 struct nouveau_vma *vma;
103 nouveau_gem_object_delete(struct nouveau_vma *vma)
105 nouveau_fence_unref(&vma->fence);
106 nouveau_vma_del(&vma);
110 nouveau_gem_object_delete_work(struct nouveau_cli_work *w)
112 struct nouveau_gem_object_unmap *work =
113 container_of(w, typeof(*work), work);
114 nouveau_gem_object_delete(work->vma);
119 nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nouveau_vma *vma)
121 struct dma_fence *fence = vma->fence ? &vma->fence->base : NULL;
122 struct nouveau_gem_object_unmap *work;
124 list_del_init(&vma->head);
127 nouveau_gem_object_delete(vma);
131 if (!(work = kmalloc(sizeof(*work), GFP_KERNEL))) {
132 WARN_ON(dma_fence_wait_timeout(fence, false, 2 * HZ) <= 0);
133 nouveau_gem_object_delete(vma);
137 work->work.func = nouveau_gem_object_delete_work;
139 nouveau_cli_work_queue(vma->vmm->cli, fence, &work->work);
143 nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
145 struct nouveau_cli *cli = nouveau_cli(file_priv);
146 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
147 struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
148 struct device *dev = drm->dev->dev;
149 struct nouveau_vmm *vmm = cli->svm.cli ? &cli->svm : & cli->vmm;
150 struct nouveau_vma *vma;
153 if (vmm->vmm.object.oclass < NVIF_CLASS_VMM_NV50)
156 ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
160 vma = nouveau_vma_find(nvbo, vmm);
162 if (--vma->refs == 0) {
163 ret = pm_runtime_get_sync(dev);
164 if (!WARN_ON(ret < 0 && ret != -EACCES)) {
165 nouveau_gem_object_unmap(nvbo, vma);
166 pm_runtime_mark_last_busy(dev);
168 pm_runtime_put_autosuspend(dev);
171 ttm_bo_unreserve(&nvbo->bo);
174 const struct drm_gem_object_funcs nouveau_gem_object_funcs = {
175 .free = nouveau_gem_object_del,
176 .open = nouveau_gem_object_open,
177 .close = nouveau_gem_object_close,
178 .pin = nouveau_gem_prime_pin,
179 .unpin = nouveau_gem_prime_unpin,
180 .get_sg_table = nouveau_gem_prime_get_sg_table,
181 .vmap = drm_gem_ttm_vmap,
182 .vunmap = drm_gem_ttm_vunmap,
186 nouveau_gem_new(struct nouveau_cli *cli, u64 size, int align, uint32_t domain,
187 uint32_t tile_mode, uint32_t tile_flags,
188 struct nouveau_bo **pnvbo)
190 struct nouveau_drm *drm = cli->drm;
191 struct nouveau_bo *nvbo;
194 if (!(domain & (NOUVEAU_GEM_DOMAIN_VRAM | NOUVEAU_GEM_DOMAIN_GART)))
195 domain |= NOUVEAU_GEM_DOMAIN_CPU;
197 nvbo = nouveau_bo_alloc(cli, &size, &align, domain, tile_mode,
200 return PTR_ERR(nvbo);
202 nvbo->bo.base.funcs = &nouveau_gem_object_funcs;
204 /* Initialize the embedded gem-object. We return a single gem-reference
205 * to the caller, instead of a normal nouveau_bo ttm reference. */
206 ret = drm_gem_object_init(drm->dev, &nvbo->bo.base, size);
208 drm_gem_object_release(&nvbo->bo.base);
213 ret = nouveau_bo_init(nvbo, size, align, domain, NULL, NULL);
215 nouveau_bo_ref(NULL, &nvbo);
219 /* we restrict allowed domains on nv50+ to only the types
220 * that were requested at creation time. not possibly on
221 * earlier chips without busting the ABI.
223 nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM |
224 NOUVEAU_GEM_DOMAIN_GART;
225 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA)
226 nvbo->valid_domains &= domain;
233 nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
234 struct drm_nouveau_gem_info *rep)
236 struct nouveau_cli *cli = nouveau_cli(file_priv);
237 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
238 struct nouveau_vmm *vmm = cli->svm.cli ? &cli->svm : &cli->vmm;
239 struct nouveau_vma *vma;
241 if (is_power_of_2(nvbo->valid_domains))
242 rep->domain = nvbo->valid_domains;
243 else if (nvbo->bo.mem.mem_type == TTM_PL_TT)
244 rep->domain = NOUVEAU_GEM_DOMAIN_GART;
246 rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
247 rep->offset = nvbo->offset;
248 if (vmm->vmm.object.oclass >= NVIF_CLASS_VMM_NV50) {
249 vma = nouveau_vma_find(nvbo, vmm);
253 rep->offset = vma->addr;
256 rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
257 rep->map_handle = drm_vma_node_offset_addr(&nvbo->bo.base.vma_node);
258 rep->tile_mode = nvbo->mode;
259 rep->tile_flags = nvbo->contig ? 0 : NOUVEAU_GEM_TILE_NONCONTIG;
260 if (cli->device.info.family >= NV_DEVICE_INFO_V0_FERMI)
261 rep->tile_flags |= nvbo->kind << 8;
263 if (cli->device.info.family >= NV_DEVICE_INFO_V0_TESLA)
264 rep->tile_flags |= nvbo->kind << 8 | nvbo->comp << 16;
266 rep->tile_flags |= nvbo->zeta;
271 nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
272 struct drm_file *file_priv)
274 struct nouveau_cli *cli = nouveau_cli(file_priv);
275 struct drm_nouveau_gem_new *req = data;
276 struct nouveau_bo *nvbo = NULL;
279 ret = nouveau_gem_new(cli, req->info.size, req->align,
280 req->info.domain, req->info.tile_mode,
281 req->info.tile_flags, &nvbo);
285 ret = drm_gem_handle_create(file_priv, &nvbo->bo.base,
288 ret = nouveau_gem_info(file_priv, &nvbo->bo.base, &req->info);
290 drm_gem_handle_delete(file_priv, req->info.handle);
293 /* drop reference from allocate - handle holds it now */
294 drm_gem_object_put(&nvbo->bo.base);
299 nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains,
300 uint32_t write_domains, uint32_t valid_domains)
302 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
303 struct ttm_buffer_object *bo = &nvbo->bo;
304 uint32_t domains = valid_domains & nvbo->valid_domains &
305 (write_domains ? write_domains : read_domains);
306 uint32_t pref_domains = 0;;
311 valid_domains &= ~(NOUVEAU_GEM_DOMAIN_VRAM | NOUVEAU_GEM_DOMAIN_GART);
313 if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
314 bo->mem.mem_type == TTM_PL_VRAM)
315 pref_domains |= NOUVEAU_GEM_DOMAIN_VRAM;
317 else if ((domains & NOUVEAU_GEM_DOMAIN_GART) &&
318 bo->mem.mem_type == TTM_PL_TT)
319 pref_domains |= NOUVEAU_GEM_DOMAIN_GART;
321 else if (domains & NOUVEAU_GEM_DOMAIN_VRAM)
322 pref_domains |= NOUVEAU_GEM_DOMAIN_VRAM;
325 pref_domains |= NOUVEAU_GEM_DOMAIN_GART;
327 nouveau_bo_placement_set(nvbo, pref_domains, valid_domains);
333 struct list_head list;
334 struct ww_acquire_ctx ticket;
338 validate_fini_no_ticket(struct validate_op *op, struct nouveau_channel *chan,
339 struct nouveau_fence *fence,
340 struct drm_nouveau_gem_pushbuf_bo *pbbo)
342 struct nouveau_bo *nvbo;
343 struct drm_nouveau_gem_pushbuf_bo *b;
345 while (!list_empty(&op->list)) {
346 nvbo = list_entry(op->list.next, struct nouveau_bo, entry);
347 b = &pbbo[nvbo->pbbo_index];
350 nouveau_bo_fence(nvbo, fence, !!b->write_domains);
352 if (chan->vmm->vmm.object.oclass >= NVIF_CLASS_VMM_NV50) {
353 struct nouveau_vma *vma =
354 (void *)(unsigned long)b->user_priv;
355 nouveau_fence_unref(&vma->fence);
356 dma_fence_get(&fence->base);
361 if (unlikely(nvbo->validate_mapped)) {
362 ttm_bo_kunmap(&nvbo->kmap);
363 nvbo->validate_mapped = false;
366 list_del(&nvbo->entry);
367 nvbo->reserved_by = NULL;
368 ttm_bo_unreserve(&nvbo->bo);
369 drm_gem_object_put(&nvbo->bo.base);
374 validate_fini(struct validate_op *op, struct nouveau_channel *chan,
375 struct nouveau_fence *fence,
376 struct drm_nouveau_gem_pushbuf_bo *pbbo)
378 validate_fini_no_ticket(op, chan, fence, pbbo);
379 ww_acquire_fini(&op->ticket);
383 validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
384 struct drm_nouveau_gem_pushbuf_bo *pbbo,
385 int nr_buffers, struct validate_op *op)
387 struct nouveau_cli *cli = nouveau_cli(file_priv);
389 int ret = -EINVAL, i;
390 struct nouveau_bo *res_bo = NULL;
391 LIST_HEAD(gart_list);
392 LIST_HEAD(vram_list);
393 LIST_HEAD(both_list);
395 ww_acquire_init(&op->ticket, &reservation_ww_class);
397 if (++trycnt > 100000) {
398 NV_PRINTK(err, cli, "%s failed and gave up.\n", __func__);
402 for (i = 0; i < nr_buffers; i++) {
403 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i];
404 struct drm_gem_object *gem;
405 struct nouveau_bo *nvbo;
407 gem = drm_gem_object_lookup(file_priv, b->handle);
409 NV_PRINTK(err, cli, "Unknown handle 0x%08x\n", b->handle);
413 nvbo = nouveau_gem_object(gem);
414 if (nvbo == res_bo) {
416 drm_gem_object_put(gem);
420 if (nvbo->reserved_by && nvbo->reserved_by == file_priv) {
421 NV_PRINTK(err, cli, "multiple instances of buffer %d on "
422 "validation list\n", b->handle);
423 drm_gem_object_put(gem);
428 ret = ttm_bo_reserve(&nvbo->bo, true, false, &op->ticket);
430 list_splice_tail_init(&vram_list, &op->list);
431 list_splice_tail_init(&gart_list, &op->list);
432 list_splice_tail_init(&both_list, &op->list);
433 validate_fini_no_ticket(op, chan, NULL, NULL);
434 if (unlikely(ret == -EDEADLK)) {
435 ret = ttm_bo_reserve_slowpath(&nvbo->bo, true,
441 if (ret != -ERESTARTSYS)
442 NV_PRINTK(err, cli, "fail reserve\n");
447 if (chan->vmm->vmm.object.oclass >= NVIF_CLASS_VMM_NV50) {
448 struct nouveau_vmm *vmm = chan->vmm;
449 struct nouveau_vma *vma = nouveau_vma_find(nvbo, vmm);
451 NV_PRINTK(err, cli, "vma not found!\n");
456 b->user_priv = (uint64_t)(unsigned long)vma;
458 b->user_priv = (uint64_t)(unsigned long)nvbo;
461 nvbo->reserved_by = file_priv;
462 nvbo->pbbo_index = i;
463 if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
464 (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART))
465 list_add_tail(&nvbo->entry, &both_list);
467 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
468 list_add_tail(&nvbo->entry, &vram_list);
470 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)
471 list_add_tail(&nvbo->entry, &gart_list);
473 NV_PRINTK(err, cli, "invalid valid domains: 0x%08x\n",
475 list_add_tail(&nvbo->entry, &both_list);
483 ww_acquire_done(&op->ticket);
484 list_splice_tail(&vram_list, &op->list);
485 list_splice_tail(&gart_list, &op->list);
486 list_splice_tail(&both_list, &op->list);
488 validate_fini(op, chan, NULL, NULL);
494 validate_list(struct nouveau_channel *chan, struct nouveau_cli *cli,
495 struct list_head *list, struct drm_nouveau_gem_pushbuf_bo *pbbo)
497 struct nouveau_drm *drm = chan->drm;
498 struct nouveau_bo *nvbo;
501 list_for_each_entry(nvbo, list, entry) {
502 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index];
504 ret = nouveau_gem_set_domain(&nvbo->bo.base, b->read_domains,
508 NV_PRINTK(err, cli, "fail set_domain\n");
512 ret = nouveau_bo_validate(nvbo, true, false);
514 if (ret != -ERESTARTSYS)
515 NV_PRINTK(err, cli, "fail ttm_validate\n");
519 ret = nouveau_fence_sync(nvbo, chan, !!b->write_domains, true);
521 if (ret != -ERESTARTSYS)
522 NV_PRINTK(err, cli, "fail post-validate sync\n");
526 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
527 if (nvbo->offset == b->presumed.offset &&
528 ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
529 b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
530 (nvbo->bo.mem.mem_type == TTM_PL_TT &&
531 b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART)))
534 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
535 b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
537 b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
538 b->presumed.offset = nvbo->offset;
539 b->presumed.valid = 0;
548 nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
549 struct drm_file *file_priv,
550 struct drm_nouveau_gem_pushbuf_bo *pbbo,
552 struct validate_op *op, bool *apply_relocs)
554 struct nouveau_cli *cli = nouveau_cli(file_priv);
557 INIT_LIST_HEAD(&op->list);
562 ret = validate_init(chan, file_priv, pbbo, nr_buffers, op);
564 if (ret != -ERESTARTSYS)
565 NV_PRINTK(err, cli, "validate_init\n");
569 ret = validate_list(chan, cli, &op->list, pbbo);
570 if (unlikely(ret < 0)) {
571 if (ret != -ERESTARTSYS)
572 NV_PRINTK(err, cli, "validating bo list\n");
573 validate_fini(op, chan, NULL, NULL);
575 } else if (ret > 0) {
576 *apply_relocs = true;
589 u_memcpya(uint64_t user, unsigned nmemb, unsigned size)
592 void __user *userptr = (void __force __user *)(uintptr_t)user;
596 mem = kvmalloc(size, GFP_KERNEL);
598 return ERR_PTR(-ENOMEM);
600 if (copy_from_user(mem, userptr, size)) {
602 return ERR_PTR(-EFAULT);
609 nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli,
610 struct drm_nouveau_gem_pushbuf *req,
611 struct drm_nouveau_gem_pushbuf_reloc *reloc,
612 struct drm_nouveau_gem_pushbuf_bo *bo)
617 for (i = 0; i < req->nr_relocs; i++) {
618 struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i];
619 struct drm_nouveau_gem_pushbuf_bo *b;
620 struct nouveau_bo *nvbo;
623 if (unlikely(r->bo_index >= req->nr_buffers)) {
624 NV_PRINTK(err, cli, "reloc bo index invalid\n");
629 b = &bo[r->bo_index];
630 if (b->presumed.valid)
633 if (unlikely(r->reloc_bo_index >= req->nr_buffers)) {
634 NV_PRINTK(err, cli, "reloc container bo index invalid\n");
638 nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv;
640 if (unlikely(r->reloc_bo_offset + 4 >
641 nvbo->bo.mem.num_pages << PAGE_SHIFT)) {
642 NV_PRINTK(err, cli, "reloc outside of bo\n");
647 if (!nvbo->kmap.virtual) {
648 ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages,
651 NV_PRINTK(err, cli, "failed kmap for reloc\n");
654 nvbo->validate_mapped = true;
657 if (r->flags & NOUVEAU_GEM_RELOC_LOW)
658 data = b->presumed.offset + r->data;
660 if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
661 data = (b->presumed.offset + r->data) >> 32;
665 if (r->flags & NOUVEAU_GEM_RELOC_OR) {
666 if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART)
672 ret = ttm_bo_wait(&nvbo->bo, false, false);
674 NV_PRINTK(err, cli, "reloc wait_idle failed: %d\n", ret);
678 nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data);
685 nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
686 struct drm_file *file_priv)
688 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
689 struct nouveau_cli *cli = nouveau_cli(file_priv);
690 struct nouveau_abi16_chan *temp;
691 struct nouveau_drm *drm = nouveau_drm(dev);
692 struct drm_nouveau_gem_pushbuf *req = data;
693 struct drm_nouveau_gem_pushbuf_push *push;
694 struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
695 struct drm_nouveau_gem_pushbuf_bo *bo;
696 struct nouveau_channel *chan = NULL;
697 struct validate_op op;
698 struct nouveau_fence *fence = NULL;
700 bool do_reloc = false, sync = false;
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);
714 if (unlikely(atomic_read(&chan->killed)))
715 return nouveau_abi16_put(abi16, -ENODEV);
717 sync = req->vram_available & NOUVEAU_GEM_PUSHBUF_SYNC;
719 req->vram_available = drm->gem.vram_available;
720 req->gart_available = drm->gem.gart_available;
721 if (unlikely(req->nr_push == 0))
724 if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) {
725 NV_PRINTK(err, cli, "pushbuf push count exceeds limit: %d max %d\n",
726 req->nr_push, NOUVEAU_GEM_MAX_PUSH);
727 return nouveau_abi16_put(abi16, -EINVAL);
730 if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) {
731 NV_PRINTK(err, cli, "pushbuf bo count exceeds limit: %d max %d\n",
732 req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS);
733 return nouveau_abi16_put(abi16, -EINVAL);
736 if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) {
737 NV_PRINTK(err, cli, "pushbuf reloc count exceeds limit: %d max %d\n",
738 req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS);
739 return nouveau_abi16_put(abi16, -EINVAL);
742 push = u_memcpya(req->push, req->nr_push, sizeof(*push));
744 return nouveau_abi16_put(abi16, PTR_ERR(push));
746 bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
749 return nouveau_abi16_put(abi16, PTR_ERR(bo));
752 /* Ensure all push buffers are on validate list */
753 for (i = 0; i < req->nr_push; i++) {
754 if (push[i].bo_index >= req->nr_buffers) {
755 NV_PRINTK(err, cli, "push %d buffer not in list\n", i);
761 /* Validate buffer list */
763 ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo,
764 req->nr_buffers, &op, &do_reloc);
766 if (ret != -ERESTARTSYS)
767 NV_PRINTK(err, cli, "validate: %d\n", ret);
771 /* Apply any relocations that are required */
774 validate_fini(&op, chan, NULL, bo);
775 reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc));
777 ret = PTR_ERR(reloc);
784 ret = nouveau_gem_pushbuf_reloc_apply(cli, req, reloc, bo);
786 NV_PRINTK(err, cli, "reloc apply: %d\n", ret);
791 if (chan->dma.ib_max) {
792 ret = nouveau_dma_wait(chan, req->nr_push + 1, 16);
794 NV_PRINTK(err, cli, "nv50cal_space: %d\n", ret);
798 for (i = 0; i < req->nr_push; i++) {
799 struct nouveau_vma *vma = (void *)(unsigned long)
800 bo[push[i].bo_index].user_priv;
802 nv50_dma_push(chan, vma->addr + push[i].offset,
806 if (drm->client.device.info.chipset >= 0x25) {
807 ret = PUSH_WAIT(chan->chan.push, req->nr_push * 2);
809 NV_PRINTK(err, cli, "cal_space: %d\n", ret);
813 for (i = 0; i < req->nr_push; i++) {
814 struct nouveau_bo *nvbo = (void *)(unsigned long)
815 bo[push[i].bo_index].user_priv;
817 PUSH_CALL(chan->chan.push, nvbo->offset + push[i].offset);
818 PUSH_DATA(chan->chan.push, 0);
821 ret = PUSH_WAIT(chan->chan.push, req->nr_push * (2 + NOUVEAU_DMA_SKIPS));
823 NV_PRINTK(err, cli, "jmp_space: %d\n", ret);
827 for (i = 0; i < req->nr_push; i++) {
828 struct nouveau_bo *nvbo = (void *)(unsigned long)
829 bo[push[i].bo_index].user_priv;
832 cmd = chan->push.addr + ((chan->dma.cur + 2) << 2);
834 if (unlikely(cmd != req->suffix0)) {
835 if (!nvbo->kmap.virtual) {
836 ret = ttm_bo_kmap(&nvbo->bo, 0,
844 nvbo->validate_mapped = true;
847 nouveau_bo_wr32(nvbo, (push[i].offset +
848 push[i].length - 8) / 4, cmd);
851 PUSH_JUMP(chan->chan.push, nvbo->offset + push[i].offset);
852 PUSH_DATA(chan->chan.push, 0);
853 for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
854 PUSH_DATA(chan->chan.push, 0);
858 ret = nouveau_fence_new(chan, false, &fence);
860 NV_PRINTK(err, cli, "error fencing pushbuf: %d\n", ret);
866 if (!(ret = nouveau_fence_wait(fence, false, false))) {
867 if ((ret = dma_fence_get_status(&fence->base)) == 1)
873 validate_fini(&op, chan, fence, bo);
874 nouveau_fence_unref(&fence);
877 struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
878 u64_to_user_ptr(req->buffers);
880 for (i = 0; i < req->nr_buffers; i++) {
881 if (bo[i].presumed.valid)
884 if (copy_to_user(&upbbo[i].presumed, &bo[i].presumed,
885 sizeof(bo[i].presumed))) {
898 if (chan->dma.ib_max) {
899 req->suffix0 = 0x00000000;
900 req->suffix1 = 0x00000000;
902 if (drm->client.device.info.chipset >= 0x25) {
903 req->suffix0 = 0x00020000;
904 req->suffix1 = 0x00000000;
906 req->suffix0 = 0x20000000 |
907 (chan->push.addr + ((chan->dma.cur + 2) << 2));
908 req->suffix1 = 0x00000000;
911 return nouveau_abi16_put(abi16, ret);
915 nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
916 struct drm_file *file_priv)
918 struct drm_nouveau_gem_cpu_prep *req = data;
919 struct drm_gem_object *gem;
920 struct nouveau_bo *nvbo;
921 bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT);
922 bool write = !!(req->flags & NOUVEAU_GEM_CPU_PREP_WRITE);
926 gem = drm_gem_object_lookup(file_priv, req->handle);
929 nvbo = nouveau_gem_object(gem);
931 lret = dma_resv_wait_timeout_rcu(nvbo->bo.base.resv, write, true,
932 no_wait ? 0 : 30 * HZ);
940 nouveau_bo_sync_for_cpu(nvbo);
941 drm_gem_object_put(gem);
947 nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
948 struct drm_file *file_priv)
950 struct drm_nouveau_gem_cpu_fini *req = data;
951 struct drm_gem_object *gem;
952 struct nouveau_bo *nvbo;
954 gem = drm_gem_object_lookup(file_priv, req->handle);
957 nvbo = nouveau_gem_object(gem);
959 nouveau_bo_sync_for_device(nvbo);
960 drm_gem_object_put(gem);
965 nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
966 struct drm_file *file_priv)
968 struct drm_nouveau_gem_info *req = data;
969 struct drm_gem_object *gem;
972 gem = drm_gem_object_lookup(file_priv, req->handle);
976 ret = nouveau_gem_info(file_priv, gem, req);
977 drm_gem_object_put(gem);