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 * 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_init(&cli->base.object, 0, NV_DEVICE, 59 &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 * 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 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 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 114 nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan, 115 struct nouveau_abi16_ntfy *ntfy) 116 { 117 nvif_object_fini(&ntfy->object); 118 nvkm_mm_free(&chan->heap, &ntfy->node); 119 list_del(&ntfy->head); 120 kfree(ntfy); 121 } 122 123 static void 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 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_unlocked(&chan->ntfy->gem); 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 } 157 158 void 159 nouveau_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_fini(&abi16->device); 171 172 kfree(cli->abi16); 173 cli->abi16 = NULL; 174 } 175 176 int 177 nouveau_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; 184 185 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 = dev->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 = dev->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(dev->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 248 nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS) 249 { 250 return -EINVAL; 251 } 252 253 int 254 nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS) 255 { 256 struct drm_nouveau_channel_alloc *init = data; 257 struct nouveau_cli *cli = nouveau_cli(file_priv); 258 struct nouveau_drm *drm = nouveau_drm(dev); 259 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv); 260 struct nouveau_abi16_chan *chan; 261 struct nvif_device *device; 262 u64 engine; 263 int ret; 264 265 if (unlikely(!abi16)) 266 return -ENOMEM; 267 268 if (!drm->channel) 269 return nouveau_abi16_put(abi16, -ENODEV); 270 271 device = &abi16->device; 272 273 /* hack to allow channel engine type specification on kepler */ 274 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) { 275 if (init->fb_ctxdma_handle == ~0) { 276 switch (init->tt_ctxdma_handle) { 277 case 0x01: engine = NV_DEVICE_INFO_ENGINE_GR ; break; 278 case 0x02: engine = NV_DEVICE_INFO_ENGINE_MSPDEC; break; 279 case 0x04: engine = NV_DEVICE_INFO_ENGINE_MSPPP ; break; 280 case 0x08: engine = NV_DEVICE_INFO_ENGINE_MSVLD ; break; 281 case 0x30: engine = NV_DEVICE_INFO_ENGINE_CE ; break; 282 default: 283 return nouveau_abi16_put(abi16, -ENOSYS); 284 } 285 } else { 286 engine = NV_DEVICE_INFO_ENGINE_GR; 287 } 288 289 if (engine != NV_DEVICE_INFO_ENGINE_CE) 290 engine = nvif_fifo_runlist(device, engine); 291 else 292 engine = nvif_fifo_runlist_ce(device); 293 init->fb_ctxdma_handle = engine; 294 init->tt_ctxdma_handle = 0; 295 } 296 297 if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0) 298 return nouveau_abi16_put(abi16, -EINVAL); 299 300 /* allocate "abi16 channel" data and make up a handle for it */ 301 chan = kzalloc(sizeof(*chan), GFP_KERNEL); 302 if (!chan) 303 return nouveau_abi16_put(abi16, -ENOMEM); 304 305 INIT_LIST_HEAD(&chan->notifiers); 306 list_add(&chan->head, &abi16->channels); 307 308 /* create channel object and initialise dma and fence management */ 309 ret = nouveau_channel_new(drm, device, init->fb_ctxdma_handle, 310 init->tt_ctxdma_handle, false, &chan->chan); 311 if (ret) 312 goto done; 313 314 init->channel = chan->chan->chid; 315 316 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) 317 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM | 318 NOUVEAU_GEM_DOMAIN_GART; 319 else 320 if (chan->chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM) 321 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM; 322 else 323 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART; 324 325 if (device->info.family < NV_DEVICE_INFO_V0_CELSIUS) { 326 init->subchan[0].handle = 0x00000000; 327 init->subchan[0].grclass = 0x0000; 328 init->subchan[1].handle = chan->chan->nvsw.handle; 329 init->subchan[1].grclass = 0x506e; 330 init->nr_subchan = 2; 331 } 332 333 /* Named memory object area */ 334 ret = nouveau_gem_new(cli, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART, 335 0, 0, &chan->ntfy); 336 if (ret == 0) 337 ret = nouveau_bo_pin(chan->ntfy, TTM_PL_FLAG_TT, false); 338 if (ret) 339 goto done; 340 341 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) { 342 ret = nouveau_vma_new(chan->ntfy, chan->chan->vmm, 343 &chan->ntfy_vma); 344 if (ret) 345 goto done; 346 } 347 348 ret = drm_gem_handle_create(file_priv, &chan->ntfy->gem, 349 &init->notifier_handle); 350 if (ret) 351 goto done; 352 353 ret = nvkm_mm_init(&chan->heap, 0, 0, PAGE_SIZE, 1); 354 done: 355 if (ret) 356 nouveau_abi16_chan_fini(abi16, chan); 357 return nouveau_abi16_put(abi16, ret); 358 } 359 360 static struct nouveau_abi16_chan * 361 nouveau_abi16_chan(struct nouveau_abi16 *abi16, int channel) 362 { 363 struct nouveau_abi16_chan *chan; 364 365 list_for_each_entry(chan, &abi16->channels, head) { 366 if (chan->chan->chid == channel) 367 return chan; 368 } 369 370 return NULL; 371 } 372 373 int 374 nouveau_abi16_usif(struct drm_file *file_priv, void *data, u32 size) 375 { 376 union { 377 struct nvif_ioctl_v0 v0; 378 } *args = data; 379 struct nouveau_abi16_chan *chan; 380 struct nouveau_abi16 *abi16; 381 int ret = -ENOSYS; 382 383 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) { 384 switch (args->v0.type) { 385 case NVIF_IOCTL_V0_NEW: 386 case NVIF_IOCTL_V0_MTHD: 387 case NVIF_IOCTL_V0_SCLASS: 388 break; 389 default: 390 return -EACCES; 391 } 392 } else 393 return ret; 394 395 if (!(abi16 = nouveau_abi16(file_priv))) 396 return -ENOMEM; 397 398 if (args->v0.token != ~0ULL) { 399 if (!(chan = nouveau_abi16_chan(abi16, args->v0.token))) 400 return -EINVAL; 401 args->v0.object = nvif_handle(&chan->chan->user); 402 args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY; 403 return 0; 404 } 405 406 args->v0.object = nvif_handle(&abi16->device.object); 407 args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY; 408 return 0; 409 } 410 411 int 412 nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS) 413 { 414 struct drm_nouveau_channel_free *req = data; 415 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv); 416 struct nouveau_abi16_chan *chan; 417 418 if (unlikely(!abi16)) 419 return -ENOMEM; 420 421 chan = nouveau_abi16_chan(abi16, req->channel); 422 if (!chan) 423 return nouveau_abi16_put(abi16, -ENOENT); 424 nouveau_abi16_chan_fini(abi16, chan); 425 return nouveau_abi16_put(abi16, 0); 426 } 427 428 int 429 nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS) 430 { 431 struct drm_nouveau_grobj_alloc *init = data; 432 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv); 433 struct nouveau_abi16_chan *chan; 434 struct nouveau_abi16_ntfy *ntfy; 435 struct nvif_client *client; 436 struct nvif_sclass *sclass; 437 s32 oclass = 0; 438 int ret, i; 439 440 if (unlikely(!abi16)) 441 return -ENOMEM; 442 443 if (init->handle == ~0) 444 return nouveau_abi16_put(abi16, -EINVAL); 445 client = abi16->device.object.client; 446 447 chan = nouveau_abi16_chan(abi16, init->channel); 448 if (!chan) 449 return nouveau_abi16_put(abi16, -ENOENT); 450 451 ret = nvif_object_sclass_get(&chan->chan->user, &sclass); 452 if (ret < 0) 453 return nouveau_abi16_put(abi16, ret); 454 455 if ((init->class & 0x00ff) == 0x006e) { 456 /* nvsw: compatibility with older 0x*6e class identifier */ 457 for (i = 0; !oclass && i < ret; i++) { 458 switch (sclass[i].oclass) { 459 case NVIF_CLASS_SW_NV04: 460 case NVIF_CLASS_SW_NV10: 461 case NVIF_CLASS_SW_NV50: 462 case NVIF_CLASS_SW_GF100: 463 oclass = sclass[i].oclass; 464 break; 465 default: 466 break; 467 } 468 } 469 } else 470 if ((init->class & 0x00ff) == 0x00b1) { 471 /* msvld: compatibility with incorrect version exposure */ 472 for (i = 0; i < ret; i++) { 473 if ((sclass[i].oclass & 0x00ff) == 0x00b1) { 474 oclass = sclass[i].oclass; 475 break; 476 } 477 } 478 } else 479 if ((init->class & 0x00ff) == 0x00b2) { /* mspdec */ 480 /* mspdec: compatibility with incorrect version exposure */ 481 for (i = 0; i < ret; i++) { 482 if ((sclass[i].oclass & 0x00ff) == 0x00b2) { 483 oclass = sclass[i].oclass; 484 break; 485 } 486 } 487 } else 488 if ((init->class & 0x00ff) == 0x00b3) { /* msppp */ 489 /* msppp: compatibility with incorrect version exposure */ 490 for (i = 0; i < ret; i++) { 491 if ((sclass[i].oclass & 0x00ff) == 0x00b3) { 492 oclass = sclass[i].oclass; 493 break; 494 } 495 } 496 } else { 497 oclass = init->class; 498 } 499 500 nvif_object_sclass_put(&sclass); 501 if (!oclass) 502 return nouveau_abi16_put(abi16, -EINVAL); 503 504 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL); 505 if (!ntfy) 506 return nouveau_abi16_put(abi16, -ENOMEM); 507 508 list_add(&ntfy->head, &chan->notifiers); 509 510 client->route = NVDRM_OBJECT_ABI16; 511 ret = nvif_object_init(&chan->chan->user, init->handle, oclass, 512 NULL, 0, &ntfy->object); 513 client->route = NVDRM_OBJECT_NVIF; 514 515 if (ret) 516 nouveau_abi16_ntfy_fini(chan, ntfy); 517 return nouveau_abi16_put(abi16, ret); 518 } 519 520 int 521 nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) 522 { 523 struct drm_nouveau_notifierobj_alloc *info = data; 524 struct nouveau_drm *drm = nouveau_drm(dev); 525 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv); 526 struct nouveau_abi16_chan *chan; 527 struct nouveau_abi16_ntfy *ntfy; 528 struct nvif_device *device = &abi16->device; 529 struct nvif_client *client; 530 struct nv_dma_v0 args = {}; 531 int ret; 532 533 if (unlikely(!abi16)) 534 return -ENOMEM; 535 536 /* completely unnecessary for these chipsets... */ 537 if (unlikely(device->info.family >= NV_DEVICE_INFO_V0_FERMI)) 538 return nouveau_abi16_put(abi16, -EINVAL); 539 client = abi16->device.object.client; 540 541 chan = nouveau_abi16_chan(abi16, info->channel); 542 if (!chan) 543 return nouveau_abi16_put(abi16, -ENOENT); 544 545 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL); 546 if (!ntfy) 547 return nouveau_abi16_put(abi16, -ENOMEM); 548 549 list_add(&ntfy->head, &chan->notifiers); 550 551 ret = nvkm_mm_head(&chan->heap, 0, 1, info->size, info->size, 1, 552 &ntfy->node); 553 if (ret) 554 goto done; 555 556 args.start = ntfy->node->offset; 557 args.limit = ntfy->node->offset + ntfy->node->length - 1; 558 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) { 559 args.target = NV_DMA_V0_TARGET_VM; 560 args.access = NV_DMA_V0_ACCESS_VM; 561 args.start += chan->ntfy_vma->addr; 562 args.limit += chan->ntfy_vma->addr; 563 } else 564 if (drm->agp.bridge) { 565 args.target = NV_DMA_V0_TARGET_AGP; 566 args.access = NV_DMA_V0_ACCESS_RDWR; 567 args.start += drm->agp.base + chan->ntfy->bo.offset; 568 args.limit += drm->agp.base + chan->ntfy->bo.offset; 569 } else { 570 args.target = NV_DMA_V0_TARGET_VM; 571 args.access = NV_DMA_V0_ACCESS_RDWR; 572 args.start += chan->ntfy->bo.offset; 573 args.limit += chan->ntfy->bo.offset; 574 } 575 576 client->route = NVDRM_OBJECT_ABI16; 577 client->super = true; 578 ret = nvif_object_init(&chan->chan->user, info->handle, 579 NV_DMA_IN_MEMORY, &args, sizeof(args), 580 &ntfy->object); 581 client->super = false; 582 client->route = NVDRM_OBJECT_NVIF; 583 if (ret) 584 goto done; 585 586 info->offset = ntfy->node->offset; 587 done: 588 if (ret) 589 nouveau_abi16_ntfy_fini(chan, ntfy); 590 return nouveau_abi16_put(abi16, ret); 591 } 592 593 int 594 nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS) 595 { 596 struct drm_nouveau_gpuobj_free *fini = data; 597 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv); 598 struct nouveau_abi16_chan *chan; 599 struct nouveau_abi16_ntfy *ntfy; 600 int ret = -ENOENT; 601 602 if (unlikely(!abi16)) 603 return -ENOMEM; 604 605 chan = nouveau_abi16_chan(abi16, fini->channel); 606 if (!chan) 607 return nouveau_abi16_put(abi16, -EINVAL); 608 609 /* synchronize with the user channel and destroy the gpu object */ 610 nouveau_channel_idle(chan->chan); 611 612 list_for_each_entry(ntfy, &chan->notifiers, head) { 613 if (ntfy->object.handle == fini->handle) { 614 nouveau_abi16_ntfy_fini(chan, ntfy); 615 ret = 0; 616 break; 617 } 618 } 619 620 return nouveau_abi16_put(abi16, ret); 621 } 622