This source file includes following definitions.
- nouveau_gem_object_del
- nouveau_gem_object_open
- nouveau_gem_object_delete
- nouveau_gem_object_delete_work
- nouveau_gem_object_unmap
- nouveau_gem_object_close
- nouveau_gem_new
- nouveau_gem_info
- nouveau_gem_ioctl_new
- nouveau_gem_set_domain
- validate_fini_no_ticket
- validate_fini
- validate_init
- validate_list
- nouveau_gem_pushbuf_validate
- u_free
- u_memcpya
- nouveau_gem_pushbuf_reloc_apply
- nouveau_gem_ioctl_pushbuf
- nouveau_gem_ioctl_cpu_prep
- nouveau_gem_ioctl_cpu_fini
- nouveau_gem_ioctl_info
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27 #include "nouveau_drv.h"
28 #include "nouveau_dma.h"
29 #include "nouveau_fence.h"
30 #include "nouveau_abi16.h"
31
32 #include "nouveau_ttm.h"
33 #include "nouveau_gem.h"
34 #include "nouveau_mem.h"
35 #include "nouveau_vmm.h"
36
37 #include <nvif/class.h>
38
39 void
40 nouveau_gem_object_del(struct drm_gem_object *gem)
41 {
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;
45 int ret;
46
47 ret = pm_runtime_get_sync(dev);
48 if (WARN_ON(ret < 0 && ret != -EACCES))
49 return;
50
51 if (gem->import_attach)
52 drm_prime_gem_destroy(gem, nvbo->bo.sg);
53
54 ttm_bo_put(&nvbo->bo);
55
56 pm_runtime_mark_last_busy(dev);
57 pm_runtime_put_autosuspend(dev);
58 }
59
60 int
61 nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
62 {
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;
69 int ret;
70
71 if (vmm->vmm.object.oclass < NVIF_CLASS_VMM_NV50)
72 return 0;
73
74 ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
75 if (ret)
76 return ret;
77
78 ret = pm_runtime_get_sync(dev);
79 if (ret < 0 && ret != -EACCES)
80 goto out;
81
82 ret = nouveau_vma_new(nvbo, vmm, &vma);
83 pm_runtime_mark_last_busy(dev);
84 pm_runtime_put_autosuspend(dev);
85 out:
86 ttm_bo_unreserve(&nvbo->bo);
87 return ret;
88 }
89
90 struct nouveau_gem_object_unmap {
91 struct nouveau_cli_work work;
92 struct nouveau_vma *vma;
93 };
94
95 static void
96 nouveau_gem_object_delete(struct nouveau_vma *vma)
97 {
98 nouveau_fence_unref(&vma->fence);
99 nouveau_vma_del(&vma);
100 }
101
102 static void
103 nouveau_gem_object_delete_work(struct nouveau_cli_work *w)
104 {
105 struct nouveau_gem_object_unmap *work =
106 container_of(w, typeof(*work), work);
107 nouveau_gem_object_delete(work->vma);
108 kfree(work);
109 }
110
111 static void
112 nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nouveau_vma *vma)
113 {
114 struct dma_fence *fence = vma->fence ? &vma->fence->base : NULL;
115 struct nouveau_gem_object_unmap *work;
116
117 list_del_init(&vma->head);
118
119 if (!fence) {
120 nouveau_gem_object_delete(vma);
121 return;
122 }
123
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);
127 return;
128 }
129
130 work->work.func = nouveau_gem_object_delete_work;
131 work->vma = vma;
132 nouveau_cli_work_queue(vma->vmm->cli, fence, &work->work);
133 }
134
135 void
136 nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
137 {
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;
144 int ret;
145
146 if (vmm->vmm.object.oclass < NVIF_CLASS_VMM_NV50)
147 return;
148
149 ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
150 if (ret)
151 return;
152
153 vma = nouveau_vma_find(nvbo, vmm);
154 if (vma) {
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);
161 }
162 }
163 }
164 ttm_bo_unreserve(&nvbo->bo);
165 }
166
167 int
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)
171 {
172 struct nouveau_drm *drm = cli->drm;
173 struct nouveau_bo *nvbo;
174 u32 flags = 0;
175 int ret;
176
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;
183
184 if (domain & NOUVEAU_GEM_DOMAIN_COHERENT)
185 flags |= TTM_PL_FLAG_UNCACHED;
186
187 nvbo = nouveau_bo_alloc(cli, &size, &align, flags, tile_mode,
188 tile_flags);
189 if (IS_ERR(nvbo))
190 return PTR_ERR(nvbo);
191
192
193
194 ret = drm_gem_object_init(drm->dev, &nvbo->bo.base, size);
195 if (ret) {
196 nouveau_bo_ref(NULL, &nvbo);
197 return ret;
198 }
199
200 ret = nouveau_bo_init(nvbo, size, align, flags, NULL, NULL);
201 if (ret) {
202 nouveau_bo_ref(NULL, &nvbo);
203 return ret;
204 }
205
206
207
208
209
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;
214
215 nvbo->bo.persistent_swap_storage = nvbo->bo.base.filp;
216 *pnvbo = nvbo;
217 return 0;
218 }
219
220 static int
221 nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
222 struct drm_nouveau_gem_info *rep)
223 {
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;
228
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;
233 else
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);
238 if (!vma)
239 return -EINVAL;
240
241 rep->offset = vma->addr;
242 }
243
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;
250 else
251 if (cli->device.info.family >= NV_DEVICE_INFO_V0_TESLA)
252 rep->tile_flags |= nvbo->kind << 8 | nvbo->comp << 16;
253 else
254 rep->tile_flags |= nvbo->zeta;
255 return 0;
256 }
257
258 int
259 nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
260 struct drm_file *file_priv)
261 {
262 struct nouveau_cli *cli = nouveau_cli(file_priv);
263 struct drm_nouveau_gem_new *req = data;
264 struct nouveau_bo *nvbo = NULL;
265 int ret = 0;
266
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);
270 if (ret)
271 return ret;
272
273 ret = drm_gem_handle_create(file_priv, &nvbo->bo.base,
274 &req->info.handle);
275 if (ret == 0) {
276 ret = nouveau_gem_info(file_priv, &nvbo->bo.base, &req->info);
277 if (ret)
278 drm_gem_handle_delete(file_priv, req->info.handle);
279 }
280
281
282 drm_gem_object_put_unlocked(&nvbo->bo.base);
283 return ret;
284 }
285
286 static int
287 nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains,
288 uint32_t write_domains, uint32_t valid_domains)
289 {
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;
295
296 if (!domains)
297 return -EINVAL;
298
299 if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
300 valid_flags |= TTM_PL_FLAG_VRAM;
301
302 if (valid_domains & NOUVEAU_GEM_DOMAIN_GART)
303 valid_flags |= TTM_PL_FLAG_TT;
304
305 if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
306 bo->mem.mem_type == TTM_PL_VRAM)
307 pref_flags |= TTM_PL_FLAG_VRAM;
308
309 else if ((domains & NOUVEAU_GEM_DOMAIN_GART) &&
310 bo->mem.mem_type == TTM_PL_TT)
311 pref_flags |= TTM_PL_FLAG_TT;
312
313 else if (domains & NOUVEAU_GEM_DOMAIN_VRAM)
314 pref_flags |= TTM_PL_FLAG_VRAM;
315
316 else
317 pref_flags |= TTM_PL_FLAG_TT;
318
319 nouveau_bo_placement_set(nvbo, pref_flags, valid_flags);
320
321 return 0;
322 }
323
324 struct validate_op {
325 struct list_head list;
326 struct ww_acquire_ctx ticket;
327 };
328
329 static void
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)
333 {
334 struct nouveau_bo *nvbo;
335 struct drm_nouveau_gem_pushbuf_bo *b;
336
337 while (!list_empty(&op->list)) {
338 nvbo = list_entry(op->list.next, struct nouveau_bo, entry);
339 b = &pbbo[nvbo->pbbo_index];
340
341 if (likely(fence)) {
342 nouveau_bo_fence(nvbo, fence, !!b->write_domains);
343
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);
349 vma->fence = fence;
350 }
351 }
352
353 if (unlikely(nvbo->validate_mapped)) {
354 ttm_bo_kunmap(&nvbo->kmap);
355 nvbo->validate_mapped = false;
356 }
357
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);
362 }
363 }
364
365 static void
366 validate_fini(struct validate_op *op, struct nouveau_channel *chan,
367 struct nouveau_fence *fence,
368 struct drm_nouveau_gem_pushbuf_bo *pbbo)
369 {
370 validate_fini_no_ticket(op, chan, fence, pbbo);
371 ww_acquire_fini(&op->ticket);
372 }
373
374 static int
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)
378 {
379 struct nouveau_cli *cli = nouveau_cli(file_priv);
380 int trycnt = 0;
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);
386
387 ww_acquire_init(&op->ticket, &reservation_ww_class);
388 retry:
389 if (++trycnt > 100000) {
390 NV_PRINTK(err, cli, "%s failed and gave up.\n", __func__);
391 return -EINVAL;
392 }
393
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;
398
399 gem = drm_gem_object_lookup(file_priv, b->handle);
400 if (!gem) {
401 NV_PRINTK(err, cli, "Unknown handle 0x%08x\n", b->handle);
402 ret = -ENOENT;
403 break;
404 }
405 nvbo = nouveau_gem_object(gem);
406 if (nvbo == res_bo) {
407 res_bo = NULL;
408 drm_gem_object_put_unlocked(gem);
409 continue;
410 }
411
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);
416 ret = -EINVAL;
417 break;
418 }
419
420 ret = ttm_bo_reserve(&nvbo->bo, true, false, &op->ticket);
421 if (ret) {
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,
428 &op->ticket);
429 if (!ret)
430 res_bo = nvbo;
431 }
432 if (unlikely(ret)) {
433 if (ret != -ERESTARTSYS)
434 NV_PRINTK(err, cli, "fail reserve\n");
435 break;
436 }
437 }
438
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);
442 if (!vma) {
443 NV_PRINTK(err, cli, "vma not found!\n");
444 ret = -EINVAL;
445 break;
446 }
447
448 b->user_priv = (uint64_t)(unsigned long)vma;
449 } else {
450 b->user_priv = (uint64_t)(unsigned long)nvbo;
451 }
452
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);
458 else
459 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
460 list_add_tail(&nvbo->entry, &vram_list);
461 else
462 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)
463 list_add_tail(&nvbo->entry, &gart_list);
464 else {
465 NV_PRINTK(err, cli, "invalid valid domains: 0x%08x\n",
466 b->valid_domains);
467 list_add_tail(&nvbo->entry, &both_list);
468 ret = -EINVAL;
469 break;
470 }
471 if (nvbo == res_bo)
472 goto retry;
473 }
474
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);
479 if (ret)
480 validate_fini(op, chan, NULL, NULL);
481 return ret;
482
483 }
484
485 static int
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)
489 {
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;
494 int ret, relocs = 0;
495
496 list_for_each_entry(nvbo, list, entry) {
497 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index];
498
499 ret = nouveau_gem_set_domain(&nvbo->bo.base, b->read_domains,
500 b->write_domains,
501 b->valid_domains);
502 if (unlikely(ret)) {
503 NV_PRINTK(err, cli, "fail set_domain\n");
504 return ret;
505 }
506
507 ret = nouveau_bo_validate(nvbo, true, false);
508 if (unlikely(ret)) {
509 if (ret != -ERESTARTSYS)
510 NV_PRINTK(err, cli, "fail ttm_validate\n");
511 return ret;
512 }
513
514 ret = nouveau_fence_sync(nvbo, chan, !!b->write_domains, true);
515 if (unlikely(ret)) {
516 if (ret != -ERESTARTSYS)
517 NV_PRINTK(err, cli, "fail post-validate sync\n");
518 return ret;
519 }
520
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)))
527 continue;
528
529 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
530 b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
531 else
532 b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
533 b->presumed.offset = nvbo->bo.offset;
534 b->presumed.valid = 0;
535 relocs++;
536
537 if (copy_to_user(&upbbo[nvbo->pbbo_index].presumed,
538 &b->presumed, sizeof(b->presumed)))
539 return -EFAULT;
540 }
541 }
542
543 return relocs;
544 }
545
546 static int
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)
552 {
553 struct nouveau_cli *cli = nouveau_cli(file_priv);
554 int ret;
555
556 INIT_LIST_HEAD(&op->list);
557
558 if (nr_buffers == 0)
559 return 0;
560
561 ret = validate_init(chan, file_priv, pbbo, nr_buffers, op);
562 if (unlikely(ret)) {
563 if (ret != -ERESTARTSYS)
564 NV_PRINTK(err, cli, "validate_init\n");
565 return ret;
566 }
567
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);
573 return ret;
574 }
575 *apply_relocs = ret;
576 return 0;
577 }
578
579 static inline void
580 u_free(void *addr)
581 {
582 kvfree(addr);
583 }
584
585 static inline void *
586 u_memcpya(uint64_t user, unsigned nmemb, unsigned size)
587 {
588 void *mem;
589 void __user *userptr = (void __force __user *)(uintptr_t)user;
590
591 size *= nmemb;
592
593 mem = kvmalloc(size, GFP_KERNEL);
594 if (!mem)
595 return ERR_PTR(-ENOMEM);
596
597 if (copy_from_user(mem, userptr, size)) {
598 u_free(mem);
599 return ERR_PTR(-EFAULT);
600 }
601
602 return mem;
603 }
604
605 static int
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)
609 {
610 struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
611 int ret = 0;
612 unsigned i;
613
614 reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc));
615 if (IS_ERR(reloc))
616 return PTR_ERR(reloc);
617
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;
622 uint32_t data;
623
624 if (unlikely(r->bo_index >= req->nr_buffers)) {
625 NV_PRINTK(err, cli, "reloc bo index invalid\n");
626 ret = -EINVAL;
627 break;
628 }
629
630 b = &bo[r->bo_index];
631 if (b->presumed.valid)
632 continue;
633
634 if (unlikely(r->reloc_bo_index >= req->nr_buffers)) {
635 NV_PRINTK(err, cli, "reloc container bo index invalid\n");
636 ret = -EINVAL;
637 break;
638 }
639 nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv;
640
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");
644 ret = -EINVAL;
645 break;
646 }
647
648 if (!nvbo->kmap.virtual) {
649 ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages,
650 &nvbo->kmap);
651 if (ret) {
652 NV_PRINTK(err, cli, "failed kmap for reloc\n");
653 break;
654 }
655 nvbo->validate_mapped = true;
656 }
657
658 if (r->flags & NOUVEAU_GEM_RELOC_LOW)
659 data = b->presumed.offset + r->data;
660 else
661 if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
662 data = (b->presumed.offset + r->data) >> 32;
663 else
664 data = r->data;
665
666 if (r->flags & NOUVEAU_GEM_RELOC_OR) {
667 if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART)
668 data |= r->tor;
669 else
670 data |= r->vor;
671 }
672
673 ret = ttm_bo_wait(&nvbo->bo, false, false);
674 if (ret) {
675 NV_PRINTK(err, cli, "reloc wait_idle failed: %d\n", ret);
676 break;
677 }
678
679 nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data);
680 }
681
682 u_free(reloc);
683 return ret;
684 }
685
686 int
687 nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
688 struct drm_file *file_priv)
689 {
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;
701
702 if (unlikely(!abi16))
703 return -ENOMEM;
704
705 list_for_each_entry(temp, &abi16->channels, head) {
706 if (temp->chan->chid == req->channel) {
707 chan = temp->chan;
708 break;
709 }
710 }
711
712 if (!chan)
713 return nouveau_abi16_put(abi16, -ENOENT);
714
715 req->vram_available = drm->gem.vram_available;
716 req->gart_available = drm->gem.gart_available;
717 if (unlikely(req->nr_push == 0))
718 goto out_next;
719
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);
724 }
725
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);
730 }
731
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);
736 }
737
738 push = u_memcpya(req->push, req->nr_push, sizeof(*push));
739 if (IS_ERR(push))
740 return nouveau_abi16_put(abi16, PTR_ERR(push));
741
742 bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
743 if (IS_ERR(bo)) {
744 u_free(push);
745 return nouveau_abi16_put(abi16, PTR_ERR(bo));
746 }
747
748
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);
752 ret = -EINVAL;
753 goto out_prevalid;
754 }
755 }
756
757
758 ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers,
759 req->nr_buffers, &op, &do_reloc);
760 if (ret) {
761 if (ret != -ERESTARTSYS)
762 NV_PRINTK(err, cli, "validate: %d\n", ret);
763 goto out_prevalid;
764 }
765
766
767 if (do_reloc) {
768 ret = nouveau_gem_pushbuf_reloc_apply(cli, req, bo);
769 if (ret) {
770 NV_PRINTK(err, cli, "reloc apply: %d\n", ret);
771 goto out;
772 }
773 }
774
775 if (chan->dma.ib_max) {
776 ret = nouveau_dma_wait(chan, req->nr_push + 1, 16);
777 if (ret) {
778 NV_PRINTK(err, cli, "nv50cal_space: %d\n", ret);
779 goto out;
780 }
781
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;
785
786 nv50_dma_push(chan, vma->addr + push[i].offset,
787 push[i].length);
788 }
789 } else
790 if (drm->client.device.info.chipset >= 0x25) {
791 ret = RING_SPACE(chan, req->nr_push * 2);
792 if (ret) {
793 NV_PRINTK(err, cli, "cal_space: %d\n", ret);
794 goto out;
795 }
796
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;
800
801 OUT_RING(chan, (nvbo->bo.offset + push[i].offset) | 2);
802 OUT_RING(chan, 0);
803 }
804 } else {
805 ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS));
806 if (ret) {
807 NV_PRINTK(err, cli, "jmp_space: %d\n", ret);
808 goto out;
809 }
810
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;
814 uint32_t cmd;
815
816 cmd = chan->push.addr + ((chan->dma.cur + 2) << 2);
817 cmd |= 0x20000000;
818 if (unlikely(cmd != req->suffix0)) {
819 if (!nvbo->kmap.virtual) {
820 ret = ttm_bo_kmap(&nvbo->bo, 0,
821 nvbo->bo.mem.
822 num_pages,
823 &nvbo->kmap);
824 if (ret) {
825 WIND_RING(chan);
826 goto out;
827 }
828 nvbo->validate_mapped = true;
829 }
830
831 nouveau_bo_wr32(nvbo, (push[i].offset +
832 push[i].length - 8) / 4, cmd);
833 }
834
835 OUT_RING(chan, 0x20000000 |
836 (nvbo->bo.offset + push[i].offset));
837 OUT_RING(chan, 0);
838 for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
839 OUT_RING(chan, 0);
840 }
841 }
842
843 ret = nouveau_fence_new(chan, false, &fence);
844 if (ret) {
845 NV_PRINTK(err, cli, "error fencing pushbuf: %d\n", ret);
846 WIND_RING(chan);
847 goto out;
848 }
849
850 out:
851 validate_fini(&op, chan, fence, bo);
852 nouveau_fence_unref(&fence);
853
854 out_prevalid:
855 u_free(bo);
856 u_free(push);
857
858 out_next:
859 if (chan->dma.ib_max) {
860 req->suffix0 = 0x00000000;
861 req->suffix1 = 0x00000000;
862 } else
863 if (drm->client.device.info.chipset >= 0x25) {
864 req->suffix0 = 0x00020000;
865 req->suffix1 = 0x00000000;
866 } else {
867 req->suffix0 = 0x20000000 |
868 (chan->push.addr + ((chan->dma.cur + 2) << 2));
869 req->suffix1 = 0x00000000;
870 }
871
872 return nouveau_abi16_put(abi16, ret);
873 }
874
875 int
876 nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
877 struct drm_file *file_priv)
878 {
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);
884 long lret;
885 int ret;
886
887 gem = drm_gem_object_lookup(file_priv, req->handle);
888 if (!gem)
889 return -ENOENT;
890 nvbo = nouveau_gem_object(gem);
891
892 lret = dma_resv_wait_timeout_rcu(nvbo->bo.base.resv, write, true,
893 no_wait ? 0 : 30 * HZ);
894 if (!lret)
895 ret = -EBUSY;
896 else if (lret > 0)
897 ret = 0;
898 else
899 ret = lret;
900
901 nouveau_bo_sync_for_cpu(nvbo);
902 drm_gem_object_put_unlocked(gem);
903
904 return ret;
905 }
906
907 int
908 nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
909 struct drm_file *file_priv)
910 {
911 struct drm_nouveau_gem_cpu_fini *req = data;
912 struct drm_gem_object *gem;
913 struct nouveau_bo *nvbo;
914
915 gem = drm_gem_object_lookup(file_priv, req->handle);
916 if (!gem)
917 return -ENOENT;
918 nvbo = nouveau_gem_object(gem);
919
920 nouveau_bo_sync_for_device(nvbo);
921 drm_gem_object_put_unlocked(gem);
922 return 0;
923 }
924
925 int
926 nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
927 struct drm_file *file_priv)
928 {
929 struct drm_nouveau_gem_info *req = data;
930 struct drm_gem_object *gem;
931 int ret;
932
933 gem = drm_gem_object_lookup(file_priv, req->handle);
934 if (!gem)
935 return -ENOENT;
936
937 ret = nouveau_gem_info(file_priv, gem, req);
938 drm_gem_object_put_unlocked(gem);
939 return ret;
940 }
941