1 /*
2 * Copyright 2012 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24 #include <nvif/client.h>
25 #include <nvif/driver.h>
26 #include <nvif/fifo.h>
27 #include <nvif/ioctl.h>
28 #include <nvif/class.h>
29 #include <nvif/cl0002.h>
30 #include <nvif/cla06f.h>
31 #include <nvif/unpack.h>
32
33 #include "nouveau_drv.h"
34 #include "nouveau_dma.h"
35 #include "nouveau_gem.h"
36 #include "nouveau_chan.h"
37 #include "nouveau_abi16.h"
38 #include "nouveau_vmm.h"
39
40 static struct nouveau_abi16 *
nouveau_abi16(struct drm_file * file_priv)41 nouveau_abi16(struct drm_file *file_priv)
42 {
43 struct nouveau_cli *cli = nouveau_cli(file_priv);
44 if (!cli->abi16) {
45 struct nouveau_abi16 *abi16;
46 cli->abi16 = abi16 = kzalloc(sizeof(*abi16), GFP_KERNEL);
47 if (cli->abi16) {
48 struct nv_device_v0 args = {
49 .device = ~0ULL,
50 };
51
52 INIT_LIST_HEAD(&abi16->channels);
53
54 /* allocate device object targeting client's default
55 * device (ie. the one that belongs to the fd it
56 * opened)
57 */
58 if (nvif_device_ctor(&cli->base.object, "abi16Device",
59 0, NV_DEVICE, &args, sizeof(args),
60 &abi16->device) == 0)
61 return cli->abi16;
62
63 kfree(cli->abi16);
64 cli->abi16 = NULL;
65 }
66 }
67 return cli->abi16;
68 }
69
70 struct nouveau_abi16 *
nouveau_abi16_get(struct drm_file * file_priv)71 nouveau_abi16_get(struct drm_file *file_priv)
72 {
73 struct nouveau_cli *cli = nouveau_cli(file_priv);
74 mutex_lock(&cli->mutex);
75 if (nouveau_abi16(file_priv))
76 return cli->abi16;
77 mutex_unlock(&cli->mutex);
78 return NULL;
79 }
80
81 int
nouveau_abi16_put(struct nouveau_abi16 * abi16,int ret)82 nouveau_abi16_put(struct nouveau_abi16 *abi16, int ret)
83 {
84 struct nouveau_cli *cli = (void *)abi16->device.object.client;
85 mutex_unlock(&cli->mutex);
86 return ret;
87 }
88
89 s32
nouveau_abi16_swclass(struct nouveau_drm * drm)90 nouveau_abi16_swclass(struct nouveau_drm *drm)
91 {
92 switch (drm->client.device.info.family) {
93 case NV_DEVICE_INFO_V0_TNT:
94 return NVIF_CLASS_SW_NV04;
95 case NV_DEVICE_INFO_V0_CELSIUS:
96 case NV_DEVICE_INFO_V0_KELVIN:
97 case NV_DEVICE_INFO_V0_RANKINE:
98 case NV_DEVICE_INFO_V0_CURIE:
99 return NVIF_CLASS_SW_NV10;
100 case NV_DEVICE_INFO_V0_TESLA:
101 return NVIF_CLASS_SW_NV50;
102 case NV_DEVICE_INFO_V0_FERMI:
103 case NV_DEVICE_INFO_V0_KEPLER:
104 case NV_DEVICE_INFO_V0_MAXWELL:
105 case NV_DEVICE_INFO_V0_PASCAL:
106 case NV_DEVICE_INFO_V0_VOLTA:
107 return NVIF_CLASS_SW_GF100;
108 }
109
110 return 0x0000;
111 }
112
113 static void
nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan * chan,struct nouveau_abi16_ntfy * ntfy)114 nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan,
115 struct nouveau_abi16_ntfy *ntfy)
116 {
117 nvif_object_dtor(&ntfy->object);
118 nvkm_mm_free(&chan->heap, &ntfy->node);
119 list_del(&ntfy->head);
120 kfree(ntfy);
121 }
122
123 static void
nouveau_abi16_chan_fini(struct nouveau_abi16 * abi16,struct nouveau_abi16_chan * chan)124 nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16,
125 struct nouveau_abi16_chan *chan)
126 {
127 struct nouveau_abi16_ntfy *ntfy, *temp;
128
129 /* wait for all activity to stop before cleaning up */
130 if (chan->chan)
131 nouveau_channel_idle(chan->chan);
132
133 /* cleanup notifier state */
134 list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) {
135 nouveau_abi16_ntfy_fini(chan, ntfy);
136 }
137
138 if (chan->ntfy) {
139 nouveau_vma_del(&chan->ntfy_vma);
140 nouveau_bo_unpin(chan->ntfy);
141 drm_gem_object_put(&chan->ntfy->bo.base);
142 }
143
144 if (chan->heap.block_size)
145 nvkm_mm_fini(&chan->heap);
146
147 /* destroy channel object, all children will be killed too */
148 if (chan->chan) {
149 nvif_object_dtor(&chan->ce);
150 nouveau_channel_del(&chan->chan);
151 }
152
153 list_del(&chan->head);
154 kfree(chan);
155 }
156
157 void
nouveau_abi16_fini(struct nouveau_abi16 * abi16)158 nouveau_abi16_fini(struct nouveau_abi16 *abi16)
159 {
160 struct nouveau_cli *cli = (void *)abi16->device.object.client;
161 struct nouveau_abi16_chan *chan, *temp;
162
163 /* cleanup channels */
164 list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
165 nouveau_abi16_chan_fini(abi16, chan);
166 }
167
168 /* destroy the device object */
169 nvif_device_dtor(&abi16->device);
170
171 kfree(cli->abi16);
172 cli->abi16 = NULL;
173 }
174
175 int
nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)176 nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
177 {
178 struct nouveau_cli *cli = nouveau_cli(file_priv);
179 struct nouveau_drm *drm = nouveau_drm(dev);
180 struct nvif_device *device = &drm->client.device;
181 struct nvkm_gr *gr = nvxx_gr(device);
182 struct drm_nouveau_getparam *getparam = data;
183 struct pci_dev *pdev = to_pci_dev(dev->dev);
184
185 switch (getparam->param) {
186 case NOUVEAU_GETPARAM_CHIPSET_ID:
187 getparam->value = device->info.chipset;
188 break;
189 case NOUVEAU_GETPARAM_PCI_VENDOR:
190 if (device->info.platform != NV_DEVICE_INFO_V0_SOC)
191 getparam->value = pdev->vendor;
192 else
193 getparam->value = 0;
194 break;
195 case NOUVEAU_GETPARAM_PCI_DEVICE:
196 if (device->info.platform != NV_DEVICE_INFO_V0_SOC)
197 getparam->value = pdev->device;
198 else
199 getparam->value = 0;
200 break;
201 case NOUVEAU_GETPARAM_BUS_TYPE:
202 switch (device->info.platform) {
203 case NV_DEVICE_INFO_V0_AGP : getparam->value = 0; break;
204 case NV_DEVICE_INFO_V0_PCI : getparam->value = 1; break;
205 case NV_DEVICE_INFO_V0_PCIE: getparam->value = 2; break;
206 case NV_DEVICE_INFO_V0_SOC : getparam->value = 3; break;
207 case NV_DEVICE_INFO_V0_IGP :
208 if (!pci_is_pcie(pdev))
209 getparam->value = 1;
210 else
211 getparam->value = 2;
212 break;
213 default:
214 WARN_ON(1);
215 break;
216 }
217 break;
218 case NOUVEAU_GETPARAM_FB_SIZE:
219 getparam->value = drm->gem.vram_available;
220 break;
221 case NOUVEAU_GETPARAM_AGP_SIZE:
222 getparam->value = drm->gem.gart_available;
223 break;
224 case NOUVEAU_GETPARAM_VM_VRAM_BASE:
225 getparam->value = 0; /* deprecated */
226 break;
227 case NOUVEAU_GETPARAM_PTIMER_TIME:
228 getparam->value = nvif_device_time(device);
229 break;
230 case NOUVEAU_GETPARAM_HAS_BO_USAGE:
231 getparam->value = 1;
232 break;
233 case NOUVEAU_GETPARAM_HAS_PAGEFLIP:
234 getparam->value = 1;
235 break;
236 case NOUVEAU_GETPARAM_GRAPH_UNITS:
237 getparam->value = nvkm_gr_units(gr);
238 break;
239 default:
240 NV_PRINTK(dbg, cli, "unknown parameter %lld\n", getparam->param);
241 return -EINVAL;
242 }
243
244 return 0;
245 }
246
247 int
nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS)248 nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS)
249 {
250 struct drm_nouveau_channel_alloc *init = data;
251 struct nouveau_cli *cli = nouveau_cli(file_priv);
252 struct nouveau_drm *drm = nouveau_drm(dev);
253 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
254 struct nouveau_abi16_chan *chan;
255 struct nvif_device *device;
256 u64 engine;
257 int ret;
258
259 if (unlikely(!abi16))
260 return -ENOMEM;
261
262 if (!drm->channel)
263 return nouveau_abi16_put(abi16, -ENODEV);
264
265 device = &abi16->device;
266
267 /* hack to allow channel engine type specification on kepler */
268 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
269 if (init->fb_ctxdma_handle == ~0) {
270 switch (init->tt_ctxdma_handle) {
271 case 0x01: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_GR ; break;
272 case 0x02: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSPDEC; break;
273 case 0x04: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSPPP ; break;
274 case 0x08: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSVLD ; break;
275 case 0x30: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_CE ; break;
276 default:
277 return nouveau_abi16_put(abi16, -ENOSYS);
278 }
279 } else {
280 engine = NV_DEVICE_HOST_RUNLIST_ENGINES_GR;
281 }
282
283 if (engine != NV_DEVICE_HOST_RUNLIST_ENGINES_CE)
284 engine = nvif_fifo_runlist(device, engine);
285 else
286 engine = nvif_fifo_runlist_ce(device);
287 init->fb_ctxdma_handle = engine;
288 init->tt_ctxdma_handle = 0;
289 }
290
291 if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0)
292 return nouveau_abi16_put(abi16, -EINVAL);
293
294 /* allocate "abi16 channel" data and make up a handle for it */
295 chan = kzalloc(sizeof(*chan), GFP_KERNEL);
296 if (!chan)
297 return nouveau_abi16_put(abi16, -ENOMEM);
298
299 INIT_LIST_HEAD(&chan->notifiers);
300 list_add(&chan->head, &abi16->channels);
301
302 /* create channel object and initialise dma and fence management */
303 ret = nouveau_channel_new(drm, device, init->fb_ctxdma_handle,
304 init->tt_ctxdma_handle, false, &chan->chan);
305 if (ret)
306 goto done;
307
308 init->channel = chan->chan->chid;
309
310 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA)
311 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM |
312 NOUVEAU_GEM_DOMAIN_GART;
313 else
314 if (chan->chan->push.buffer->bo.resource->mem_type == TTM_PL_VRAM)
315 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM;
316 else
317 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART;
318
319 if (device->info.family < NV_DEVICE_INFO_V0_CELSIUS) {
320 init->subchan[0].handle = 0x00000000;
321 init->subchan[0].grclass = 0x0000;
322 init->subchan[1].handle = chan->chan->nvsw.handle;
323 init->subchan[1].grclass = 0x506e;
324 init->nr_subchan = 2;
325 }
326
327 /* Workaround "nvc0" gallium driver using classes it doesn't allocate on
328 * Kepler and above. NVKM no longer always sets CE_CTX_VALID as part of
329 * channel init, now we know what that stuff actually is.
330 *
331 * Doesn't matter for Kepler/Pascal, CE context stored in NV_RAMIN.
332 *
333 * Userspace was fixed prior to adding Ampere support.
334 */
335 switch (device->info.family) {
336 case NV_DEVICE_INFO_V0_VOLTA:
337 ret = nvif_object_ctor(&chan->chan->user, "abi16CeWar", 0, VOLTA_DMA_COPY_A,
338 NULL, 0, &chan->ce);
339 if (ret)
340 goto done;
341 break;
342 case NV_DEVICE_INFO_V0_TURING:
343 ret = nvif_object_ctor(&chan->chan->user, "abi16CeWar", 0, TURING_DMA_COPY_A,
344 NULL, 0, &chan->ce);
345 if (ret)
346 goto done;
347 break;
348 default:
349 break;
350 }
351
352 /* Named memory object area */
353 ret = nouveau_gem_new(cli, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART,
354 0, 0, &chan->ntfy);
355 if (ret == 0)
356 ret = nouveau_bo_pin(chan->ntfy, NOUVEAU_GEM_DOMAIN_GART,
357 false);
358 if (ret)
359 goto done;
360
361 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
362 ret = nouveau_vma_new(chan->ntfy, chan->chan->vmm,
363 &chan->ntfy_vma);
364 if (ret)
365 goto done;
366 }
367
368 ret = drm_gem_handle_create(file_priv, &chan->ntfy->bo.base,
369 &init->notifier_handle);
370 if (ret)
371 goto done;
372
373 ret = nvkm_mm_init(&chan->heap, 0, 0, PAGE_SIZE, 1);
374 done:
375 if (ret)
376 nouveau_abi16_chan_fini(abi16, chan);
377 return nouveau_abi16_put(abi16, ret);
378 }
379
380 static struct nouveau_abi16_chan *
nouveau_abi16_chan(struct nouveau_abi16 * abi16,int channel)381 nouveau_abi16_chan(struct nouveau_abi16 *abi16, int channel)
382 {
383 struct nouveau_abi16_chan *chan;
384
385 list_for_each_entry(chan, &abi16->channels, head) {
386 if (chan->chan->chid == channel)
387 return chan;
388 }
389
390 return NULL;
391 }
392
393 int
nouveau_abi16_usif(struct drm_file * file_priv,void * data,u32 size)394 nouveau_abi16_usif(struct drm_file *file_priv, void *data, u32 size)
395 {
396 union {
397 struct nvif_ioctl_v0 v0;
398 } *args = data;
399 struct nouveau_abi16_chan *chan;
400 struct nouveau_abi16 *abi16;
401 int ret = -ENOSYS;
402
403 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
404 switch (args->v0.type) {
405 case NVIF_IOCTL_V0_NEW:
406 case NVIF_IOCTL_V0_MTHD:
407 case NVIF_IOCTL_V0_SCLASS:
408 break;
409 default:
410 return -EACCES;
411 }
412 } else
413 return ret;
414
415 if (!(abi16 = nouveau_abi16(file_priv)))
416 return -ENOMEM;
417
418 if (args->v0.token != ~0ULL) {
419 if (!(chan = nouveau_abi16_chan(abi16, args->v0.token)))
420 return -EINVAL;
421 args->v0.object = nvif_handle(&chan->chan->user);
422 args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY;
423 return 0;
424 }
425
426 args->v0.object = nvif_handle(&abi16->device.object);
427 args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY;
428 return 0;
429 }
430
431 int
nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS)432 nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS)
433 {
434 struct drm_nouveau_channel_free *req = data;
435 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
436 struct nouveau_abi16_chan *chan;
437
438 if (unlikely(!abi16))
439 return -ENOMEM;
440
441 chan = nouveau_abi16_chan(abi16, req->channel);
442 if (!chan)
443 return nouveau_abi16_put(abi16, -ENOENT);
444 nouveau_abi16_chan_fini(abi16, chan);
445 return nouveau_abi16_put(abi16, 0);
446 }
447
448 int
nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS)449 nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS)
450 {
451 struct drm_nouveau_grobj_alloc *init = data;
452 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
453 struct nouveau_abi16_chan *chan;
454 struct nouveau_abi16_ntfy *ntfy;
455 struct nvif_client *client;
456 struct nvif_sclass *sclass;
457 s32 oclass = 0;
458 int ret, i;
459
460 if (unlikely(!abi16))
461 return -ENOMEM;
462
463 if (init->handle == ~0)
464 return nouveau_abi16_put(abi16, -EINVAL);
465 client = abi16->device.object.client;
466
467 chan = nouveau_abi16_chan(abi16, init->channel);
468 if (!chan)
469 return nouveau_abi16_put(abi16, -ENOENT);
470
471 ret = nvif_object_sclass_get(&chan->chan->user, &sclass);
472 if (ret < 0)
473 return nouveau_abi16_put(abi16, ret);
474
475 if ((init->class & 0x00ff) == 0x006e) {
476 /* nvsw: compatibility with older 0x*6e class identifier */
477 for (i = 0; !oclass && i < ret; i++) {
478 switch (sclass[i].oclass) {
479 case NVIF_CLASS_SW_NV04:
480 case NVIF_CLASS_SW_NV10:
481 case NVIF_CLASS_SW_NV50:
482 case NVIF_CLASS_SW_GF100:
483 oclass = sclass[i].oclass;
484 break;
485 default:
486 break;
487 }
488 }
489 } else
490 if ((init->class & 0x00ff) == 0x00b1) {
491 /* msvld: compatibility with incorrect version exposure */
492 for (i = 0; i < ret; i++) {
493 if ((sclass[i].oclass & 0x00ff) == 0x00b1) {
494 oclass = sclass[i].oclass;
495 break;
496 }
497 }
498 } else
499 if ((init->class & 0x00ff) == 0x00b2) { /* mspdec */
500 /* mspdec: compatibility with incorrect version exposure */
501 for (i = 0; i < ret; i++) {
502 if ((sclass[i].oclass & 0x00ff) == 0x00b2) {
503 oclass = sclass[i].oclass;
504 break;
505 }
506 }
507 } else
508 if ((init->class & 0x00ff) == 0x00b3) { /* msppp */
509 /* msppp: compatibility with incorrect version exposure */
510 for (i = 0; i < ret; i++) {
511 if ((sclass[i].oclass & 0x00ff) == 0x00b3) {
512 oclass = sclass[i].oclass;
513 break;
514 }
515 }
516 } else {
517 oclass = init->class;
518 }
519
520 nvif_object_sclass_put(&sclass);
521 if (!oclass)
522 return nouveau_abi16_put(abi16, -EINVAL);
523
524 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL);
525 if (!ntfy)
526 return nouveau_abi16_put(abi16, -ENOMEM);
527
528 list_add(&ntfy->head, &chan->notifiers);
529
530 client->route = NVDRM_OBJECT_ABI16;
531 ret = nvif_object_ctor(&chan->chan->user, "abi16EngObj", init->handle,
532 oclass, NULL, 0, &ntfy->object);
533 client->route = NVDRM_OBJECT_NVIF;
534
535 if (ret)
536 nouveau_abi16_ntfy_fini(chan, ntfy);
537 return nouveau_abi16_put(abi16, ret);
538 }
539
540 int
nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)541 nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
542 {
543 struct drm_nouveau_notifierobj_alloc *info = data;
544 struct nouveau_drm *drm = nouveau_drm(dev);
545 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
546 struct nouveau_abi16_chan *chan;
547 struct nouveau_abi16_ntfy *ntfy;
548 struct nvif_device *device = &abi16->device;
549 struct nvif_client *client;
550 struct nv_dma_v0 args = {};
551 int ret;
552
553 if (unlikely(!abi16))
554 return -ENOMEM;
555
556 /* completely unnecessary for these chipsets... */
557 if (unlikely(device->info.family >= NV_DEVICE_INFO_V0_FERMI))
558 return nouveau_abi16_put(abi16, -EINVAL);
559 client = abi16->device.object.client;
560
561 chan = nouveau_abi16_chan(abi16, info->channel);
562 if (!chan)
563 return nouveau_abi16_put(abi16, -ENOENT);
564
565 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL);
566 if (!ntfy)
567 return nouveau_abi16_put(abi16, -ENOMEM);
568
569 list_add(&ntfy->head, &chan->notifiers);
570
571 ret = nvkm_mm_head(&chan->heap, 0, 1, info->size, info->size, 1,
572 &ntfy->node);
573 if (ret)
574 goto done;
575
576 args.start = ntfy->node->offset;
577 args.limit = ntfy->node->offset + ntfy->node->length - 1;
578 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
579 args.target = NV_DMA_V0_TARGET_VM;
580 args.access = NV_DMA_V0_ACCESS_VM;
581 args.start += chan->ntfy_vma->addr;
582 args.limit += chan->ntfy_vma->addr;
583 } else
584 if (drm->agp.bridge) {
585 args.target = NV_DMA_V0_TARGET_AGP;
586 args.access = NV_DMA_V0_ACCESS_RDWR;
587 args.start += drm->agp.base + chan->ntfy->offset;
588 args.limit += drm->agp.base + chan->ntfy->offset;
589 } else {
590 args.target = NV_DMA_V0_TARGET_VM;
591 args.access = NV_DMA_V0_ACCESS_RDWR;
592 args.start += chan->ntfy->offset;
593 args.limit += chan->ntfy->offset;
594 }
595
596 client->route = NVDRM_OBJECT_ABI16;
597 ret = nvif_object_ctor(&chan->chan->user, "abi16Ntfy", info->handle,
598 NV_DMA_IN_MEMORY, &args, sizeof(args),
599 &ntfy->object);
600 client->route = NVDRM_OBJECT_NVIF;
601 if (ret)
602 goto done;
603
604 info->offset = ntfy->node->offset;
605 done:
606 if (ret)
607 nouveau_abi16_ntfy_fini(chan, ntfy);
608 return nouveau_abi16_put(abi16, ret);
609 }
610
611 int
nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS)612 nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS)
613 {
614 struct drm_nouveau_gpuobj_free *fini = data;
615 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
616 struct nouveau_abi16_chan *chan;
617 struct nouveau_abi16_ntfy *ntfy;
618 int ret = -ENOENT;
619
620 if (unlikely(!abi16))
621 return -ENOMEM;
622
623 chan = nouveau_abi16_chan(abi16, fini->channel);
624 if (!chan)
625 return nouveau_abi16_put(abi16, -EINVAL);
626
627 /* synchronize with the user channel and destroy the gpu object */
628 nouveau_channel_idle(chan->chan);
629
630 list_for_each_entry(ntfy, &chan->notifiers, head) {
631 if (ntfy->object.handle == fini->handle) {
632 nouveau_abi16_ntfy_fini(chan, ntfy);
633 ret = 0;
634 break;
635 }
636 }
637
638 return nouveau_abi16_put(abi16, ret);
639 }
640