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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
40static struct nouveau_abi16 *
41nouveau_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
70struct nouveau_abi16 *
71nouveau_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
81int
82nouveau_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
89s32
90nouveau_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
113static void
114nouveau_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
123static void
124nouveau_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 releasing notify object, which
130 * may be still in use */
131 if (chan->chan && chan->ntfy)
132 nouveau_channel_idle(chan->chan);
133
134 /* cleanup notifier state */
135 list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) {
136 nouveau_abi16_ntfy_fini(chan, ntfy);
137 }
138
139 if (chan->ntfy) {
140 nouveau_vma_del(&chan->ntfy_vma);
141 nouveau_bo_unpin(chan->ntfy);
142 drm_gem_object_put(&chan->ntfy->bo.base);
143 }
144
145 if (chan->heap.block_size)
146 nvkm_mm_fini(&chan->heap);
147
148 /* destroy channel object, all children will be killed too */
149 if (chan->chan) {
150 nouveau_channel_idle(chan->chan);
151 nouveau_channel_del(&chan->chan);
152 }
153
154 list_del(&chan->head);
155 kfree(chan);
156}
157
158void
159nouveau_abi16_fini(struct nouveau_abi16 *abi16)
160{
161 struct nouveau_cli *cli = (void *)abi16->device.object.client;
162 struct nouveau_abi16_chan *chan, *temp;
163
164 /* cleanup channels */
165 list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
166 nouveau_abi16_chan_fini(abi16, chan);
167 }
168
169 /* destroy the device object */
170 nvif_device_dtor(&abi16->device);
171
172 kfree(cli->abi16);
173 cli->abi16 = NULL;
174}
175
176int
177nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
178{
179 struct nouveau_cli *cli = nouveau_cli(file_priv);
180 struct nouveau_drm *drm = nouveau_drm(dev);
181 struct nvif_device *device = &drm->client.device;
182 struct nvkm_gr *gr = nvxx_gr(device);
183 struct drm_nouveau_getparam *getparam = data;
184 struct pci_dev *pdev = to_pci_dev(dev->dev);
185
186 switch (getparam->param) {
187 case NOUVEAU_GETPARAM_CHIPSET_ID:
188 getparam->value = device->info.chipset;
189 break;
190 case NOUVEAU_GETPARAM_PCI_VENDOR:
191 if (device->info.platform != NV_DEVICE_INFO_V0_SOC)
192 getparam->value = pdev->vendor;
193 else
194 getparam->value = 0;
195 break;
196 case NOUVEAU_GETPARAM_PCI_DEVICE:
197 if (device->info.platform != NV_DEVICE_INFO_V0_SOC)
198 getparam->value = pdev->device;
199 else
200 getparam->value = 0;
201 break;
202 case NOUVEAU_GETPARAM_BUS_TYPE:
203 switch (device->info.platform) {
204 case NV_DEVICE_INFO_V0_AGP : getparam->value = 0; break;
205 case NV_DEVICE_INFO_V0_PCI : getparam->value = 1; break;
206 case NV_DEVICE_INFO_V0_PCIE: getparam->value = 2; break;
207 case NV_DEVICE_INFO_V0_SOC : getparam->value = 3; break;
208 case NV_DEVICE_INFO_V0_IGP :
209 if (!pci_is_pcie(pdev))
210 getparam->value = 1;
211 else
212 getparam->value = 2;
213 break;
214 default:
215 WARN_ON(1);
216 break;
217 }
218 break;
219 case NOUVEAU_GETPARAM_FB_SIZE:
220 getparam->value = drm->gem.vram_available;
221 break;
222 case NOUVEAU_GETPARAM_AGP_SIZE:
223 getparam->value = drm->gem.gart_available;
224 break;
225 case NOUVEAU_GETPARAM_VM_VRAM_BASE:
226 getparam->value = 0; /* deprecated */
227 break;
228 case NOUVEAU_GETPARAM_PTIMER_TIME:
229 getparam->value = nvif_device_time(device);
230 break;
231 case NOUVEAU_GETPARAM_HAS_BO_USAGE:
232 getparam->value = 1;
233 break;
234 case NOUVEAU_GETPARAM_HAS_PAGEFLIP:
235 getparam->value = 1;
236 break;
237 case NOUVEAU_GETPARAM_GRAPH_UNITS:
238 getparam->value = nvkm_gr_units(gr);
239 break;
240 default:
241 NV_PRINTK(dbg, cli, "unknown parameter %lld\n", getparam->param);
242 return -EINVAL;
243 }
244
245 return 0;
246}
247
248int
249nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS)
250{
251 struct drm_nouveau_channel_alloc *init = data;
252 struct nouveau_cli *cli = nouveau_cli(file_priv);
253 struct nouveau_drm *drm = nouveau_drm(dev);
254 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
255 struct nouveau_abi16_chan *chan;
256 struct nvif_device *device;
257 u64 engine;
258 int ret;
259
260 if (unlikely(!abi16))
261 return -ENOMEM;
262
263 if (!drm->channel)
264 return nouveau_abi16_put(abi16, -ENODEV);
265
266 device = &abi16->device;
267
268 /* hack to allow channel engine type specification on kepler */
269 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
270 if (init->fb_ctxdma_handle == ~0) {
271 switch (init->tt_ctxdma_handle) {
272 case 0x01: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_GR ; break;
273 case 0x02: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSPDEC; break;
274 case 0x04: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSPPP ; break;
275 case 0x08: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSVLD ; break;
276 case 0x30: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_CE ; break;
277 default:
278 return nouveau_abi16_put(abi16, -ENOSYS);
279 }
280 } else {
281 engine = NV_DEVICE_HOST_RUNLIST_ENGINES_GR;
282 }
283
284 if (engine != NV_DEVICE_HOST_RUNLIST_ENGINES_CE)
285 engine = nvif_fifo_runlist(device, engine);
286 else
287 engine = nvif_fifo_runlist_ce(device);
288 init->fb_ctxdma_handle = engine;
289 init->tt_ctxdma_handle = 0;
290 }
291
292 if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0)
293 return nouveau_abi16_put(abi16, -EINVAL);
294
295 /* allocate "abi16 channel" data and make up a handle for it */
296 chan = kzalloc(sizeof(*chan), GFP_KERNEL);
297 if (!chan)
298 return nouveau_abi16_put(abi16, -ENOMEM);
299
300 INIT_LIST_HEAD(&chan->notifiers);
301 list_add(&chan->head, &abi16->channels);
302
303 /* create channel object and initialise dma and fence management */
304 ret = nouveau_channel_new(drm, device, init->fb_ctxdma_handle,
305 init->tt_ctxdma_handle, false, &chan->chan);
306 if (ret)
307 goto done;
308
309 init->channel = chan->chan->chid;
310
311 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA)
312 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM |
313 NOUVEAU_GEM_DOMAIN_GART;
314 else
315 if (chan->chan->push.buffer->bo.resource->mem_type == TTM_PL_VRAM)
316 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM;
317 else
318 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART;
319
320 if (device->info.family < NV_DEVICE_INFO_V0_CELSIUS) {
321 init->subchan[0].handle = 0x00000000;
322 init->subchan[0].grclass = 0x0000;
323 init->subchan[1].handle = chan->chan->nvsw.handle;
324 init->subchan[1].grclass = 0x506e;
325 init->nr_subchan = 2;
326 }
327
328 /* Named memory object area */
329 ret = nouveau_gem_new(cli, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART,
330 0, 0, &chan->ntfy);
331 if (ret == 0)
332 ret = nouveau_bo_pin(chan->ntfy, NOUVEAU_GEM_DOMAIN_GART,
333 false);
334 if (ret)
335 goto done;
336
337 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
338 ret = nouveau_vma_new(chan->ntfy, chan->chan->vmm,
339 &chan->ntfy_vma);
340 if (ret)
341 goto done;
342 }
343
344 ret = drm_gem_handle_create(file_priv, &chan->ntfy->bo.base,
345 &init->notifier_handle);
346 if (ret)
347 goto done;
348
349 ret = nvkm_mm_init(&chan->heap, 0, 0, PAGE_SIZE, 1);
350done:
351 if (ret)
352 nouveau_abi16_chan_fini(abi16, chan);
353 return nouveau_abi16_put(abi16, ret);
354}
355
356static struct nouveau_abi16_chan *
357nouveau_abi16_chan(struct nouveau_abi16 *abi16, int channel)
358{
359 struct nouveau_abi16_chan *chan;
360
361 list_for_each_entry(chan, &abi16->channels, head) {
362 if (chan->chan->chid == channel)
363 return chan;
364 }
365
366 return NULL;
367}
368
369int
370nouveau_abi16_usif(struct drm_file *file_priv, void *data, u32 size)
371{
372 union {
373 struct nvif_ioctl_v0 v0;
374 } *args = data;
375 struct nouveau_abi16_chan *chan;
376 struct nouveau_abi16 *abi16;
377 int ret = -ENOSYS;
378
379 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
380 switch (args->v0.type) {
381 case NVIF_IOCTL_V0_NEW:
382 case NVIF_IOCTL_V0_MTHD:
383 case NVIF_IOCTL_V0_SCLASS:
384 break;
385 default:
386 return -EACCES;
387 }
388 } else
389 return ret;
390
391 if (!(abi16 = nouveau_abi16(file_priv)))
392 return -ENOMEM;
393
394 if (args->v0.token != ~0ULL) {
395 if (!(chan = nouveau_abi16_chan(abi16, args->v0.token)))
396 return -EINVAL;
397 args->v0.object = nvif_handle(&chan->chan->user);
398 args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY;
399 return 0;
400 }
401
402 args->v0.object = nvif_handle(&abi16->device.object);
403 args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY;
404 return 0;
405}
406
407int
408nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS)
409{
410 struct drm_nouveau_channel_free *req = data;
411 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
412 struct nouveau_abi16_chan *chan;
413
414 if (unlikely(!abi16))
415 return -ENOMEM;
416
417 chan = nouveau_abi16_chan(abi16, req->channel);
418 if (!chan)
419 return nouveau_abi16_put(abi16, -ENOENT);
420 nouveau_abi16_chan_fini(abi16, chan);
421 return nouveau_abi16_put(abi16, 0);
422}
423
424int
425nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS)
426{
427 struct drm_nouveau_grobj_alloc *init = data;
428 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
429 struct nouveau_abi16_chan *chan;
430 struct nouveau_abi16_ntfy *ntfy;
431 struct nvif_client *client;
432 struct nvif_sclass *sclass;
433 s32 oclass = 0;
434 int ret, i;
435
436 if (unlikely(!abi16))
437 return -ENOMEM;
438
439 if (init->handle == ~0)
440 return nouveau_abi16_put(abi16, -EINVAL);
441 client = abi16->device.object.client;
442
443 chan = nouveau_abi16_chan(abi16, init->channel);
444 if (!chan)
445 return nouveau_abi16_put(abi16, -ENOENT);
446
447 ret = nvif_object_sclass_get(&chan->chan->user, &sclass);
448 if (ret < 0)
449 return nouveau_abi16_put(abi16, ret);
450
451 if ((init->class & 0x00ff) == 0x006e) {
452 /* nvsw: compatibility with older 0x*6e class identifier */
453 for (i = 0; !oclass && i < ret; i++) {
454 switch (sclass[i].oclass) {
455 case NVIF_CLASS_SW_NV04:
456 case NVIF_CLASS_SW_NV10:
457 case NVIF_CLASS_SW_NV50:
458 case NVIF_CLASS_SW_GF100:
459 oclass = sclass[i].oclass;
460 break;
461 default:
462 break;
463 }
464 }
465 } else
466 if ((init->class & 0x00ff) == 0x00b1) {
467 /* msvld: compatibility with incorrect version exposure */
468 for (i = 0; i < ret; i++) {
469 if ((sclass[i].oclass & 0x00ff) == 0x00b1) {
470 oclass = sclass[i].oclass;
471 break;
472 }
473 }
474 } else
475 if ((init->class & 0x00ff) == 0x00b2) { /* mspdec */
476 /* mspdec: compatibility with incorrect version exposure */
477 for (i = 0; i < ret; i++) {
478 if ((sclass[i].oclass & 0x00ff) == 0x00b2) {
479 oclass = sclass[i].oclass;
480 break;
481 }
482 }
483 } else
484 if ((init->class & 0x00ff) == 0x00b3) { /* msppp */
485 /* msppp: compatibility with incorrect version exposure */
486 for (i = 0; i < ret; i++) {
487 if ((sclass[i].oclass & 0x00ff) == 0x00b3) {
488 oclass = sclass[i].oclass;
489 break;
490 }
491 }
492 } else {
493 oclass = init->class;
494 }
495
496 nvif_object_sclass_put(&sclass);
497 if (!oclass)
498 return nouveau_abi16_put(abi16, -EINVAL);
499
500 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL);
501 if (!ntfy)
502 return nouveau_abi16_put(abi16, -ENOMEM);
503
504 list_add(&ntfy->head, &chan->notifiers);
505
506 client->route = NVDRM_OBJECT_ABI16;
507 ret = nvif_object_ctor(&chan->chan->user, "abi16EngObj", init->handle,
508 oclass, NULL, 0, &ntfy->object);
509 client->route = NVDRM_OBJECT_NVIF;
510
511 if (ret)
512 nouveau_abi16_ntfy_fini(chan, ntfy);
513 return nouveau_abi16_put(abi16, ret);
514}
515
516int
517nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
518{
519 struct drm_nouveau_notifierobj_alloc *info = data;
520 struct nouveau_drm *drm = nouveau_drm(dev);
521 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
522 struct nouveau_abi16_chan *chan;
523 struct nouveau_abi16_ntfy *ntfy;
524 struct nvif_device *device = &abi16->device;
525 struct nvif_client *client;
526 struct nv_dma_v0 args = {};
527 int ret;
528
529 if (unlikely(!abi16))
530 return -ENOMEM;
531
532 /* completely unnecessary for these chipsets... */
533 if (unlikely(device->info.family >= NV_DEVICE_INFO_V0_FERMI))
534 return nouveau_abi16_put(abi16, -EINVAL);
535 client = abi16->device.object.client;
536
537 chan = nouveau_abi16_chan(abi16, info->channel);
538 if (!chan)
539 return nouveau_abi16_put(abi16, -ENOENT);
540
541 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL);
542 if (!ntfy)
543 return nouveau_abi16_put(abi16, -ENOMEM);
544
545 list_add(&ntfy->head, &chan->notifiers);
546
547 ret = nvkm_mm_head(&chan->heap, 0, 1, info->size, info->size, 1,
548 &ntfy->node);
549 if (ret)
550 goto done;
551
552 args.start = ntfy->node->offset;
553 args.limit = ntfy->node->offset + ntfy->node->length - 1;
554 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
555 args.target = NV_DMA_V0_TARGET_VM;
556 args.access = NV_DMA_V0_ACCESS_VM;
557 args.start += chan->ntfy_vma->addr;
558 args.limit += chan->ntfy_vma->addr;
559 } else
560 if (drm->agp.bridge) {
561 args.target = NV_DMA_V0_TARGET_AGP;
562 args.access = NV_DMA_V0_ACCESS_RDWR;
563 args.start += drm->agp.base + chan->ntfy->offset;
564 args.limit += drm->agp.base + chan->ntfy->offset;
565 } else {
566 args.target = NV_DMA_V0_TARGET_VM;
567 args.access = NV_DMA_V0_ACCESS_RDWR;
568 args.start += chan->ntfy->offset;
569 args.limit += chan->ntfy->offset;
570 }
571
572 client->route = NVDRM_OBJECT_ABI16;
573 ret = nvif_object_ctor(&chan->chan->user, "abi16Ntfy", info->handle,
574 NV_DMA_IN_MEMORY, &args, sizeof(args),
575 &ntfy->object);
576 client->route = NVDRM_OBJECT_NVIF;
577 if (ret)
578 goto done;
579
580 info->offset = ntfy->node->offset;
581done:
582 if (ret)
583 nouveau_abi16_ntfy_fini(chan, ntfy);
584 return nouveau_abi16_put(abi16, ret);
585}
586
587int
588nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS)
589{
590 struct drm_nouveau_gpuobj_free *fini = data;
591 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
592 struct nouveau_abi16_chan *chan;
593 struct nouveau_abi16_ntfy *ntfy;
594 int ret = -ENOENT;
595
596 if (unlikely(!abi16))
597 return -ENOMEM;
598
599 chan = nouveau_abi16_chan(abi16, fini->channel);
600 if (!chan)
601 return nouveau_abi16_put(abi16, -EINVAL);
602
603 /* synchronize with the user channel and destroy the gpu object */
604 nouveau_channel_idle(chan->chan);
605
606 list_for_each_entry(ntfy, &chan->notifiers, head) {
607 if (ntfy->object.handle == fini->handle) {
608 nouveau_abi16_ntfy_fini(chan, ntfy);
609 ret = 0;
610 break;
611 }
612 }
613
614 return nouveau_abi16_put(abi16, ret);
615}