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 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 drm_device
*dev
, int 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(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(dev
, 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
->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(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
->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(dev
, 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
);
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
->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
->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
->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
);
866 gem
= drm_gem_object_lookup(file_priv
, req
->handle
);
869 nvbo
= nouveau_gem_object(gem
);
872 ret
= reservation_object_test_signaled_rcu(nvbo
->bo
.resv
, write
) ? 0 : -EBUSY
;
876 lret
= reservation_object_wait_timeout_rcu(nvbo
->bo
.resv
, write
, true, 30 * HZ
);
884 nouveau_bo_sync_for_cpu(nvbo
);
885 drm_gem_object_unreference_unlocked(gem
);
891 nouveau_gem_ioctl_cpu_fini(struct drm_device
*dev
, void *data
,
892 struct drm_file
*file_priv
)
894 struct drm_nouveau_gem_cpu_fini
*req
= data
;
895 struct drm_gem_object
*gem
;
896 struct nouveau_bo
*nvbo
;
898 gem
= drm_gem_object_lookup(file_priv
, req
->handle
);
901 nvbo
= nouveau_gem_object(gem
);
903 nouveau_bo_sync_for_device(nvbo
);
904 drm_gem_object_unreference_unlocked(gem
);
909 nouveau_gem_ioctl_info(struct drm_device
*dev
, void *data
,
910 struct drm_file
*file_priv
)
912 struct drm_nouveau_gem_info
*req
= data
;
913 struct drm_gem_object
*gem
;
916 gem
= drm_gem_object_lookup(file_priv
, req
->handle
);
920 ret
= nouveau_gem_info(file_priv
, gem
, req
);
921 drm_gem_object_unreference_unlocked(gem
);