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/unpack.h> 31 32 #include "nouveau_drv.h" 33 #include "nouveau_dma.h" 34 #include "nouveau_exec.h" 35 #include "nouveau_gem.h" 36 #include "nouveau_chan.h" 37 #include "nouveau_abi16.h" 38 #include "nouveau_vmm.h" 39 #include "nouveau_sched.h" 40 41 static struct nouveau_abi16 * 42 nouveau_abi16(struct drm_file *file_priv) 43 { 44 struct nouveau_cli *cli = nouveau_cli(file_priv); 45 if (!cli->abi16) { 46 struct nouveau_abi16 *abi16; 47 cli->abi16 = abi16 = kzalloc(sizeof(*abi16), GFP_KERNEL); 48 if (cli->abi16) { 49 struct nv_device_v0 args = { 50 .device = ~0ULL, 51 }; 52 53 INIT_LIST_HEAD(&abi16->channels); 54 55 /* allocate device object targeting client's default 56 * device (ie. the one that belongs to the fd it 57 * opened) 58 */ 59 if (nvif_device_ctor(&cli->base.object, "abi16Device", 60 0, NV_DEVICE, &args, sizeof(args), 61 &abi16->device) == 0) 62 return cli->abi16; 63 64 kfree(cli->abi16); 65 cli->abi16 = NULL; 66 } 67 } 68 return cli->abi16; 69 } 70 71 struct nouveau_abi16 * 72 nouveau_abi16_get(struct drm_file *file_priv) 73 { 74 struct nouveau_cli *cli = nouveau_cli(file_priv); 75 mutex_lock(&cli->mutex); 76 if (nouveau_abi16(file_priv)) 77 return cli->abi16; 78 mutex_unlock(&cli->mutex); 79 return NULL; 80 } 81 82 int 83 nouveau_abi16_put(struct nouveau_abi16 *abi16, int ret) 84 { 85 struct nouveau_cli *cli = (void *)abi16->device.object.client; 86 mutex_unlock(&cli->mutex); 87 return ret; 88 } 89 90 s32 91 nouveau_abi16_swclass(struct nouveau_drm *drm) 92 { 93 switch (drm->client.device.info.family) { 94 case NV_DEVICE_INFO_V0_TNT: 95 return NVIF_CLASS_SW_NV04; 96 case NV_DEVICE_INFO_V0_CELSIUS: 97 case NV_DEVICE_INFO_V0_KELVIN: 98 case NV_DEVICE_INFO_V0_RANKINE: 99 case NV_DEVICE_INFO_V0_CURIE: 100 return NVIF_CLASS_SW_NV10; 101 case NV_DEVICE_INFO_V0_TESLA: 102 return NVIF_CLASS_SW_NV50; 103 case NV_DEVICE_INFO_V0_FERMI: 104 case NV_DEVICE_INFO_V0_KEPLER: 105 case NV_DEVICE_INFO_V0_MAXWELL: 106 case NV_DEVICE_INFO_V0_PASCAL: 107 case NV_DEVICE_INFO_V0_VOLTA: 108 return NVIF_CLASS_SW_GF100; 109 } 110 111 return 0x0000; 112 } 113 114 static void 115 nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan, 116 struct nouveau_abi16_ntfy *ntfy) 117 { 118 nvif_object_dtor(&ntfy->object); 119 nvkm_mm_free(&chan->heap, &ntfy->node); 120 list_del(&ntfy->head); 121 kfree(ntfy); 122 } 123 124 static void 125 nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16, 126 struct nouveau_abi16_chan *chan) 127 { 128 struct nouveau_abi16_ntfy *ntfy, *temp; 129 130 /* Cancel all jobs from the entity's queue. */ 131 if (chan->sched) 132 drm_sched_entity_fini(&chan->sched->entity); 133 134 if (chan->chan) 135 nouveau_channel_idle(chan->chan); 136 137 if (chan->sched) 138 nouveau_sched_destroy(&chan->sched); 139 140 /* cleanup notifier state */ 141 list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) { 142 nouveau_abi16_ntfy_fini(chan, ntfy); 143 } 144 145 if (chan->ntfy) { 146 nouveau_vma_del(&chan->ntfy_vma); 147 nouveau_bo_unpin(chan->ntfy); 148 drm_gem_object_put(&chan->ntfy->bo.base); 149 } 150 151 if (chan->heap.block_size) 152 nvkm_mm_fini(&chan->heap); 153 154 /* destroy channel object, all children will be killed too */ 155 if (chan->chan) { 156 nvif_object_dtor(&chan->ce); 157 nouveau_channel_del(&chan->chan); 158 } 159 160 list_del(&chan->head); 161 kfree(chan); 162 } 163 164 void 165 nouveau_abi16_fini(struct nouveau_abi16 *abi16) 166 { 167 struct nouveau_cli *cli = (void *)abi16->device.object.client; 168 struct nouveau_abi16_chan *chan, *temp; 169 170 /* cleanup channels */ 171 list_for_each_entry_safe(chan, temp, &abi16->channels, head) { 172 nouveau_abi16_chan_fini(abi16, chan); 173 } 174 175 /* destroy the device object */ 176 nvif_device_dtor(&abi16->device); 177 178 kfree(cli->abi16); 179 cli->abi16 = NULL; 180 } 181 182 static inline int 183 getparam_dma_ib_max(struct nvif_device *device) 184 { 185 const struct nvif_mclass dmas[] = { 186 { NV03_CHANNEL_DMA, 0 }, 187 { NV10_CHANNEL_DMA, 0 }, 188 { NV17_CHANNEL_DMA, 0 }, 189 { NV40_CHANNEL_DMA, 0 }, 190 {} 191 }; 192 193 return nvif_mclass(&device->object, dmas) < 0 ? NV50_DMA_IB_MAX : 0; 194 } 195 196 int 197 nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS) 198 { 199 struct nouveau_cli *cli = nouveau_cli(file_priv); 200 struct nouveau_drm *drm = nouveau_drm(dev); 201 struct nvif_device *device = &drm->client.device; 202 struct nvkm_gr *gr = nvxx_gr(device); 203 struct drm_nouveau_getparam *getparam = data; 204 struct pci_dev *pdev = to_pci_dev(dev->dev); 205 206 switch (getparam->param) { 207 case NOUVEAU_GETPARAM_CHIPSET_ID: 208 getparam->value = device->info.chipset; 209 break; 210 case NOUVEAU_GETPARAM_PCI_VENDOR: 211 if (device->info.platform != NV_DEVICE_INFO_V0_SOC) 212 getparam->value = pdev->vendor; 213 else 214 getparam->value = 0; 215 break; 216 case NOUVEAU_GETPARAM_PCI_DEVICE: 217 if (device->info.platform != NV_DEVICE_INFO_V0_SOC) 218 getparam->value = pdev->device; 219 else 220 getparam->value = 0; 221 break; 222 case NOUVEAU_GETPARAM_BUS_TYPE: 223 switch (device->info.platform) { 224 case NV_DEVICE_INFO_V0_AGP : getparam->value = 0; break; 225 case NV_DEVICE_INFO_V0_PCI : getparam->value = 1; break; 226 case NV_DEVICE_INFO_V0_PCIE: getparam->value = 2; break; 227 case NV_DEVICE_INFO_V0_SOC : getparam->value = 3; break; 228 case NV_DEVICE_INFO_V0_IGP : 229 if (!pci_is_pcie(pdev)) 230 getparam->value = 1; 231 else 232 getparam->value = 2; 233 break; 234 default: 235 WARN_ON(1); 236 break; 237 } 238 break; 239 case NOUVEAU_GETPARAM_FB_SIZE: 240 getparam->value = drm->gem.vram_available; 241 break; 242 case NOUVEAU_GETPARAM_AGP_SIZE: 243 getparam->value = drm->gem.gart_available; 244 break; 245 case NOUVEAU_GETPARAM_VM_VRAM_BASE: 246 getparam->value = 0; /* deprecated */ 247 break; 248 case NOUVEAU_GETPARAM_PTIMER_TIME: 249 getparam->value = nvif_device_time(device); 250 break; 251 case NOUVEAU_GETPARAM_HAS_BO_USAGE: 252 getparam->value = 1; 253 break; 254 case NOUVEAU_GETPARAM_HAS_PAGEFLIP: 255 getparam->value = 1; 256 break; 257 case NOUVEAU_GETPARAM_GRAPH_UNITS: 258 getparam->value = nvkm_gr_units(gr); 259 break; 260 case NOUVEAU_GETPARAM_EXEC_PUSH_MAX: { 261 int ib_max = getparam_dma_ib_max(device); 262 263 getparam->value = nouveau_exec_push_max_from_ib_max(ib_max); 264 break; 265 } 266 default: 267 NV_PRINTK(dbg, cli, "unknown parameter %lld\n", getparam->param); 268 return -EINVAL; 269 } 270 271 return 0; 272 } 273 274 int 275 nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS) 276 { 277 struct drm_nouveau_channel_alloc *init = data; 278 struct nouveau_cli *cli = nouveau_cli(file_priv); 279 struct nouveau_drm *drm = nouveau_drm(dev); 280 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv); 281 struct nouveau_abi16_chan *chan; 282 struct nvif_device *device; 283 u64 engine, runm; 284 int ret; 285 286 if (unlikely(!abi16)) 287 return -ENOMEM; 288 289 if (!drm->channel) 290 return nouveau_abi16_put(abi16, -ENODEV); 291 292 /* If uvmm wasn't initialized until now disable it completely to prevent 293 * userspace from mixing up UAPIs. 294 * 295 * The client lock is already acquired by nouveau_abi16_get(). 296 */ 297 __nouveau_cli_disable_uvmm_noinit(cli); 298 299 device = &abi16->device; 300 engine = NV_DEVICE_HOST_RUNLIST_ENGINES_GR; 301 302 /* hack to allow channel engine type specification on kepler */ 303 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) { 304 if (init->fb_ctxdma_handle == ~0) { 305 switch (init->tt_ctxdma_handle) { 306 case 0x01: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_GR ; break; 307 case 0x02: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSPDEC; break; 308 case 0x04: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSPPP ; break; 309 case 0x08: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSVLD ; break; 310 case 0x30: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_CE ; break; 311 default: 312 return nouveau_abi16_put(abi16, -ENOSYS); 313 } 314 315 init->fb_ctxdma_handle = 0; 316 init->tt_ctxdma_handle = 0; 317 } 318 } 319 320 if (engine != NV_DEVICE_HOST_RUNLIST_ENGINES_CE) 321 runm = nvif_fifo_runlist(device, engine); 322 else 323 runm = nvif_fifo_runlist_ce(device); 324 325 if (!runm || init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0) 326 return nouveau_abi16_put(abi16, -EINVAL); 327 328 /* allocate "abi16 channel" data and make up a handle for it */ 329 chan = kzalloc(sizeof(*chan), GFP_KERNEL); 330 if (!chan) 331 return nouveau_abi16_put(abi16, -ENOMEM); 332 333 INIT_LIST_HEAD(&chan->notifiers); 334 list_add(&chan->head, &abi16->channels); 335 336 /* create channel object and initialise dma and fence management */ 337 ret = nouveau_channel_new(drm, device, false, runm, init->fb_ctxdma_handle, 338 init->tt_ctxdma_handle, &chan->chan); 339 if (ret) 340 goto done; 341 342 /* If we're not using the VM_BIND uAPI, we don't need a scheduler. 343 * 344 * The client lock is already acquired by nouveau_abi16_get(). 345 */ 346 if (nouveau_cli_uvmm(cli)) { 347 ret = nouveau_sched_create(&chan->sched, drm, drm->sched_wq, 348 chan->chan->dma.ib_max); 349 if (ret) 350 goto done; 351 } 352 353 init->channel = chan->chan->chid; 354 355 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) 356 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM | 357 NOUVEAU_GEM_DOMAIN_GART; 358 else 359 if (chan->chan->push.buffer->bo.resource->mem_type == TTM_PL_VRAM) 360 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM; 361 else 362 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART; 363 364 if (device->info.family < NV_DEVICE_INFO_V0_CELSIUS) { 365 init->subchan[0].handle = 0x00000000; 366 init->subchan[0].grclass = 0x0000; 367 init->subchan[1].handle = chan->chan->nvsw.handle; 368 init->subchan[1].grclass = 0x506e; 369 init->nr_subchan = 2; 370 } 371 372 /* Workaround "nvc0" gallium driver using classes it doesn't allocate on 373 * Kepler and above. NVKM no longer always sets CE_CTX_VALID as part of 374 * channel init, now we know what that stuff actually is. 375 * 376 * Doesn't matter for Kepler/Pascal, CE context stored in NV_RAMIN. 377 * 378 * Userspace was fixed prior to adding Ampere support. 379 */ 380 switch (device->info.family) { 381 case NV_DEVICE_INFO_V0_VOLTA: 382 ret = nvif_object_ctor(&chan->chan->user, "abi16CeWar", 0, VOLTA_DMA_COPY_A, 383 NULL, 0, &chan->ce); 384 if (ret) 385 goto done; 386 break; 387 case NV_DEVICE_INFO_V0_TURING: 388 ret = nvif_object_ctor(&chan->chan->user, "abi16CeWar", 0, TURING_DMA_COPY_A, 389 NULL, 0, &chan->ce); 390 if (ret) 391 goto done; 392 break; 393 default: 394 break; 395 } 396 397 /* Named memory object area */ 398 ret = nouveau_gem_new(cli, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART, 399 0, 0, &chan->ntfy); 400 if (ret == 0) 401 ret = nouveau_bo_pin(chan->ntfy, NOUVEAU_GEM_DOMAIN_GART, 402 false); 403 if (ret) 404 goto done; 405 406 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) { 407 ret = nouveau_vma_new(chan->ntfy, chan->chan->vmm, 408 &chan->ntfy_vma); 409 if (ret) 410 goto done; 411 } 412 413 ret = drm_gem_handle_create(file_priv, &chan->ntfy->bo.base, 414 &init->notifier_handle); 415 if (ret) 416 goto done; 417 418 ret = nvkm_mm_init(&chan->heap, 0, 0, PAGE_SIZE, 1); 419 done: 420 if (ret) 421 nouveau_abi16_chan_fini(abi16, chan); 422 return nouveau_abi16_put(abi16, ret); 423 } 424 425 static struct nouveau_abi16_chan * 426 nouveau_abi16_chan(struct nouveau_abi16 *abi16, int channel) 427 { 428 struct nouveau_abi16_chan *chan; 429 430 list_for_each_entry(chan, &abi16->channels, head) { 431 if (chan->chan->chid == channel) 432 return chan; 433 } 434 435 return NULL; 436 } 437 438 int 439 nouveau_abi16_usif(struct drm_file *file_priv, void *data, u32 size) 440 { 441 union { 442 struct nvif_ioctl_v0 v0; 443 } *args = data; 444 struct nouveau_abi16_chan *chan; 445 struct nouveau_abi16 *abi16; 446 int ret = -ENOSYS; 447 448 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) { 449 switch (args->v0.type) { 450 case NVIF_IOCTL_V0_NEW: 451 case NVIF_IOCTL_V0_MTHD: 452 case NVIF_IOCTL_V0_SCLASS: 453 break; 454 default: 455 return -EACCES; 456 } 457 } else 458 return ret; 459 460 if (!(abi16 = nouveau_abi16(file_priv))) 461 return -ENOMEM; 462 463 if (args->v0.token != ~0ULL) { 464 if (!(chan = nouveau_abi16_chan(abi16, args->v0.token))) 465 return -EINVAL; 466 args->v0.object = nvif_handle(&chan->chan->user); 467 args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY; 468 return 0; 469 } 470 471 args->v0.object = nvif_handle(&abi16->device.object); 472 args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY; 473 return 0; 474 } 475 476 int 477 nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS) 478 { 479 struct drm_nouveau_channel_free *req = data; 480 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv); 481 struct nouveau_abi16_chan *chan; 482 483 if (unlikely(!abi16)) 484 return -ENOMEM; 485 486 chan = nouveau_abi16_chan(abi16, req->channel); 487 if (!chan) 488 return nouveau_abi16_put(abi16, -ENOENT); 489 nouveau_abi16_chan_fini(abi16, chan); 490 return nouveau_abi16_put(abi16, 0); 491 } 492 493 int 494 nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS) 495 { 496 struct drm_nouveau_grobj_alloc *init = data; 497 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv); 498 struct nouveau_abi16_chan *chan; 499 struct nouveau_abi16_ntfy *ntfy; 500 struct nvif_client *client; 501 struct nvif_sclass *sclass; 502 s32 oclass = 0; 503 int ret, i; 504 505 if (unlikely(!abi16)) 506 return -ENOMEM; 507 508 if (init->handle == ~0) 509 return nouveau_abi16_put(abi16, -EINVAL); 510 client = abi16->device.object.client; 511 512 chan = nouveau_abi16_chan(abi16, init->channel); 513 if (!chan) 514 return nouveau_abi16_put(abi16, -ENOENT); 515 516 ret = nvif_object_sclass_get(&chan->chan->user, &sclass); 517 if (ret < 0) 518 return nouveau_abi16_put(abi16, ret); 519 520 if ((init->class & 0x00ff) == 0x006e) { 521 /* nvsw: compatibility with older 0x*6e class identifier */ 522 for (i = 0; !oclass && i < ret; i++) { 523 switch (sclass[i].oclass) { 524 case NVIF_CLASS_SW_NV04: 525 case NVIF_CLASS_SW_NV10: 526 case NVIF_CLASS_SW_NV50: 527 case NVIF_CLASS_SW_GF100: 528 oclass = sclass[i].oclass; 529 break; 530 default: 531 break; 532 } 533 } 534 } else 535 if ((init->class & 0x00ff) == 0x00b1) { 536 /* msvld: compatibility with incorrect version exposure */ 537 for (i = 0; i < ret; i++) { 538 if ((sclass[i].oclass & 0x00ff) == 0x00b1) { 539 oclass = sclass[i].oclass; 540 break; 541 } 542 } 543 } else 544 if ((init->class & 0x00ff) == 0x00b2) { /* mspdec */ 545 /* mspdec: compatibility with incorrect version exposure */ 546 for (i = 0; i < ret; i++) { 547 if ((sclass[i].oclass & 0x00ff) == 0x00b2) { 548 oclass = sclass[i].oclass; 549 break; 550 } 551 } 552 } else 553 if ((init->class & 0x00ff) == 0x00b3) { /* msppp */ 554 /* msppp: compatibility with incorrect version exposure */ 555 for (i = 0; i < ret; i++) { 556 if ((sclass[i].oclass & 0x00ff) == 0x00b3) { 557 oclass = sclass[i].oclass; 558 break; 559 } 560 } 561 } else { 562 oclass = init->class; 563 } 564 565 nvif_object_sclass_put(&sclass); 566 if (!oclass) 567 return nouveau_abi16_put(abi16, -EINVAL); 568 569 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL); 570 if (!ntfy) 571 return nouveau_abi16_put(abi16, -ENOMEM); 572 573 list_add(&ntfy->head, &chan->notifiers); 574 575 client->route = NVDRM_OBJECT_ABI16; 576 ret = nvif_object_ctor(&chan->chan->user, "abi16EngObj", init->handle, 577 oclass, NULL, 0, &ntfy->object); 578 client->route = NVDRM_OBJECT_NVIF; 579 580 if (ret) 581 nouveau_abi16_ntfy_fini(chan, ntfy); 582 return nouveau_abi16_put(abi16, ret); 583 } 584 585 int 586 nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) 587 { 588 struct drm_nouveau_notifierobj_alloc *info = data; 589 struct nouveau_drm *drm = nouveau_drm(dev); 590 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv); 591 struct nouveau_abi16_chan *chan; 592 struct nouveau_abi16_ntfy *ntfy; 593 struct nvif_device *device = &abi16->device; 594 struct nvif_client *client; 595 struct nv_dma_v0 args = {}; 596 int ret; 597 598 if (unlikely(!abi16)) 599 return -ENOMEM; 600 601 /* completely unnecessary for these chipsets... */ 602 if (unlikely(device->info.family >= NV_DEVICE_INFO_V0_FERMI)) 603 return nouveau_abi16_put(abi16, -EINVAL); 604 client = abi16->device.object.client; 605 606 chan = nouveau_abi16_chan(abi16, info->channel); 607 if (!chan) 608 return nouveau_abi16_put(abi16, -ENOENT); 609 610 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL); 611 if (!ntfy) 612 return nouveau_abi16_put(abi16, -ENOMEM); 613 614 list_add(&ntfy->head, &chan->notifiers); 615 616 ret = nvkm_mm_head(&chan->heap, 0, 1, info->size, info->size, 1, 617 &ntfy->node); 618 if (ret) 619 goto done; 620 621 args.start = ntfy->node->offset; 622 args.limit = ntfy->node->offset + ntfy->node->length - 1; 623 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) { 624 args.target = NV_DMA_V0_TARGET_VM; 625 args.access = NV_DMA_V0_ACCESS_VM; 626 args.start += chan->ntfy_vma->addr; 627 args.limit += chan->ntfy_vma->addr; 628 } else 629 if (drm->agp.bridge) { 630 args.target = NV_DMA_V0_TARGET_AGP; 631 args.access = NV_DMA_V0_ACCESS_RDWR; 632 args.start += drm->agp.base + chan->ntfy->offset; 633 args.limit += drm->agp.base + chan->ntfy->offset; 634 } else { 635 args.target = NV_DMA_V0_TARGET_VM; 636 args.access = NV_DMA_V0_ACCESS_RDWR; 637 args.start += chan->ntfy->offset; 638 args.limit += chan->ntfy->offset; 639 } 640 641 client->route = NVDRM_OBJECT_ABI16; 642 ret = nvif_object_ctor(&chan->chan->user, "abi16Ntfy", info->handle, 643 NV_DMA_IN_MEMORY, &args, sizeof(args), 644 &ntfy->object); 645 client->route = NVDRM_OBJECT_NVIF; 646 if (ret) 647 goto done; 648 649 info->offset = ntfy->node->offset; 650 done: 651 if (ret) 652 nouveau_abi16_ntfy_fini(chan, ntfy); 653 return nouveau_abi16_put(abi16, ret); 654 } 655 656 int 657 nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS) 658 { 659 struct drm_nouveau_gpuobj_free *fini = data; 660 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv); 661 struct nouveau_abi16_chan *chan; 662 struct nouveau_abi16_ntfy *ntfy; 663 int ret = -ENOENT; 664 665 if (unlikely(!abi16)) 666 return -ENOMEM; 667 668 chan = nouveau_abi16_chan(abi16, fini->channel); 669 if (!chan) 670 return nouveau_abi16_put(abi16, -EINVAL); 671 672 /* synchronize with the user channel and destroy the gpu object */ 673 nouveau_channel_idle(chan->chan); 674 675 list_for_each_entry(ntfy, &chan->notifiers, head) { 676 if (ntfy->object.handle == fini->handle) { 677 nouveau_abi16_ntfy_fini(chan, ntfy); 678 ret = 0; 679 break; 680 } 681 } 682 683 return nouveau_abi16_put(abi16, ret); 684 } 685