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/ioctl.h> 27 #include <nvif/class.h> 28 29 #include "nouveau_drm.h" 30 #include "nouveau_dma.h" 31 #include "nouveau_gem.h" 32 #include "nouveau_chan.h" 33 #include "nouveau_abi16.h" 34 35 struct nouveau_abi16 * 36 nouveau_abi16_get(struct drm_file *file_priv, struct drm_device *dev) 37 { 38 struct nouveau_cli *cli = nouveau_cli(file_priv); 39 mutex_lock(&cli->mutex); 40 if (!cli->abi16) { 41 struct nouveau_abi16 *abi16; 42 cli->abi16 = abi16 = kzalloc(sizeof(*abi16), GFP_KERNEL); 43 if (cli->abi16) { 44 struct nv_device_v0 args = { 45 .device = ~0ULL, 46 }; 47 48 INIT_LIST_HEAD(&abi16->channels); 49 50 /* allocate device object targeting client's default 51 * device (ie. the one that belongs to the fd it 52 * opened) 53 */ 54 if (nvif_device_init(&cli->base.object, 55 NOUVEAU_ABI16_DEVICE, NV_DEVICE, 56 &args, sizeof(args), 57 &abi16->device) == 0) 58 return cli->abi16; 59 60 kfree(cli->abi16); 61 cli->abi16 = NULL; 62 } 63 64 mutex_unlock(&cli->mutex); 65 } 66 return cli->abi16; 67 } 68 69 int 70 nouveau_abi16_put(struct nouveau_abi16 *abi16, int ret) 71 { 72 struct nouveau_cli *cli = (void *)abi16->device.object.client; 73 mutex_unlock(&cli->mutex); 74 return ret; 75 } 76 77 s32 78 nouveau_abi16_swclass(struct nouveau_drm *drm) 79 { 80 switch (drm->device.info.family) { 81 case NV_DEVICE_INFO_V0_TNT: 82 return NVIF_IOCTL_NEW_V0_SW_NV04; 83 case NV_DEVICE_INFO_V0_CELSIUS: 84 case NV_DEVICE_INFO_V0_KELVIN: 85 case NV_DEVICE_INFO_V0_RANKINE: 86 case NV_DEVICE_INFO_V0_CURIE: 87 return NVIF_IOCTL_NEW_V0_SW_NV10; 88 case NV_DEVICE_INFO_V0_TESLA: 89 return NVIF_IOCTL_NEW_V0_SW_NV50; 90 case NV_DEVICE_INFO_V0_FERMI: 91 case NV_DEVICE_INFO_V0_KEPLER: 92 case NV_DEVICE_INFO_V0_MAXWELL: 93 return NVIF_IOCTL_NEW_V0_SW_GF100; 94 } 95 96 return 0x0000; 97 } 98 99 static void 100 nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan, 101 struct nouveau_abi16_ntfy *ntfy) 102 { 103 nvif_object_fini(&ntfy->object); 104 nvkm_mm_free(&chan->heap, &ntfy->node); 105 list_del(&ntfy->head); 106 kfree(ntfy); 107 } 108 109 static void 110 nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16, 111 struct nouveau_abi16_chan *chan) 112 { 113 struct nouveau_abi16_ntfy *ntfy, *temp; 114 115 /* wait for all activity to stop before releasing notify object, which 116 * may be still in use */ 117 if (chan->chan && chan->ntfy) 118 nouveau_channel_idle(chan->chan); 119 120 /* cleanup notifier state */ 121 list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) { 122 nouveau_abi16_ntfy_fini(chan, ntfy); 123 } 124 125 if (chan->ntfy) { 126 nouveau_bo_vma_del(chan->ntfy, &chan->ntfy_vma); 127 nouveau_bo_unpin(chan->ntfy); 128 drm_gem_object_unreference_unlocked(&chan->ntfy->gem); 129 } 130 131 if (chan->heap.block_size) 132 nvkm_mm_fini(&chan->heap); 133 134 /* destroy channel object, all children will be killed too */ 135 if (chan->chan) { 136 abi16->handles &= ~(1ULL << (chan->chan->user.handle & 0xffff)); 137 nouveau_channel_del(&chan->chan); 138 } 139 140 list_del(&chan->head); 141 kfree(chan); 142 } 143 144 void 145 nouveau_abi16_fini(struct nouveau_abi16 *abi16) 146 { 147 struct nouveau_cli *cli = (void *)abi16->device.object.client; 148 struct nouveau_abi16_chan *chan, *temp; 149 150 /* cleanup channels */ 151 list_for_each_entry_safe(chan, temp, &abi16->channels, head) { 152 nouveau_abi16_chan_fini(abi16, chan); 153 } 154 155 /* destroy the device object */ 156 nvif_device_fini(&abi16->device); 157 158 kfree(cli->abi16); 159 cli->abi16 = NULL; 160 } 161 162 int 163 nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS) 164 { 165 struct nouveau_cli *cli = nouveau_cli(file_priv); 166 struct nouveau_drm *drm = nouveau_drm(dev); 167 struct nvif_device *device = &drm->device; 168 struct nvkm_gr *gr = nvxx_gr(device); 169 struct drm_nouveau_getparam *getparam = data; 170 171 switch (getparam->param) { 172 case NOUVEAU_GETPARAM_CHIPSET_ID: 173 getparam->value = device->info.chipset; 174 break; 175 case NOUVEAU_GETPARAM_PCI_VENDOR: 176 if (nv_device_is_pci(nvxx_device(device))) 177 getparam->value = dev->pdev->vendor; 178 else 179 getparam->value = 0; 180 break; 181 case NOUVEAU_GETPARAM_PCI_DEVICE: 182 if (nv_device_is_pci(nvxx_device(device))) 183 getparam->value = dev->pdev->device; 184 else 185 getparam->value = 0; 186 break; 187 case NOUVEAU_GETPARAM_BUS_TYPE: 188 if (!nv_device_is_pci(nvxx_device(device))) 189 getparam->value = 3; 190 else 191 if (drm_pci_device_is_agp(dev)) 192 getparam->value = 0; 193 else 194 if (!pci_is_pcie(dev->pdev)) 195 getparam->value = 1; 196 else 197 getparam->value = 2; 198 break; 199 case NOUVEAU_GETPARAM_FB_SIZE: 200 getparam->value = drm->gem.vram_available; 201 break; 202 case NOUVEAU_GETPARAM_AGP_SIZE: 203 getparam->value = drm->gem.gart_available; 204 break; 205 case NOUVEAU_GETPARAM_VM_VRAM_BASE: 206 getparam->value = 0; /* deprecated */ 207 break; 208 case NOUVEAU_GETPARAM_PTIMER_TIME: 209 getparam->value = nvif_device_time(device); 210 break; 211 case NOUVEAU_GETPARAM_HAS_BO_USAGE: 212 getparam->value = 1; 213 break; 214 case NOUVEAU_GETPARAM_HAS_PAGEFLIP: 215 getparam->value = 1; 216 break; 217 case NOUVEAU_GETPARAM_GRAPH_UNITS: 218 getparam->value = gr->units ? gr->units(gr) : 0; 219 break; 220 default: 221 NV_PRINTK(dbg, cli, "unknown parameter %lld\n", getparam->param); 222 return -EINVAL; 223 } 224 225 return 0; 226 } 227 228 int 229 nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS) 230 { 231 return -EINVAL; 232 } 233 234 int 235 nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS) 236 { 237 struct drm_nouveau_channel_alloc *init = data; 238 struct nouveau_cli *cli = nouveau_cli(file_priv); 239 struct nouveau_drm *drm = nouveau_drm(dev); 240 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); 241 struct nouveau_abi16_chan *chan; 242 struct nvif_device *device; 243 int ret; 244 245 if (unlikely(!abi16)) 246 return -ENOMEM; 247 248 if (!drm->channel) 249 return nouveau_abi16_put(abi16, -ENODEV); 250 251 device = &abi16->device; 252 253 /* hack to allow channel engine type specification on kepler */ 254 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) { 255 if (init->fb_ctxdma_handle != ~0) 256 init->fb_ctxdma_handle = KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR; 257 else 258 init->fb_ctxdma_handle = init->tt_ctxdma_handle; 259 260 /* allow flips to be executed if this is a graphics channel */ 261 init->tt_ctxdma_handle = 0; 262 if (init->fb_ctxdma_handle == KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR) 263 init->tt_ctxdma_handle = 1; 264 } 265 266 if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0) 267 return nouveau_abi16_put(abi16, -EINVAL); 268 269 /* allocate "abi16 channel" data and make up a handle for it */ 270 init->channel = __ffs64(~abi16->handles); 271 if (~abi16->handles == 0) 272 return nouveau_abi16_put(abi16, -ENOSPC); 273 274 chan = kzalloc(sizeof(*chan), GFP_KERNEL); 275 if (!chan) 276 return nouveau_abi16_put(abi16, -ENOMEM); 277 278 INIT_LIST_HEAD(&chan->notifiers); 279 list_add(&chan->head, &abi16->channels); 280 abi16->handles |= (1ULL << init->channel); 281 282 /* create channel object and initialise dma and fence management */ 283 ret = nouveau_channel_new(drm, device, 284 NOUVEAU_ABI16_CHAN(init->channel), 285 init->fb_ctxdma_handle, 286 init->tt_ctxdma_handle, &chan->chan); 287 if (ret) 288 goto done; 289 290 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) 291 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM | 292 NOUVEAU_GEM_DOMAIN_GART; 293 else 294 if (chan->chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM) 295 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM; 296 else 297 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART; 298 299 if (device->info.family < NV_DEVICE_INFO_V0_CELSIUS) { 300 init->subchan[0].handle = 0x00000000; 301 init->subchan[0].grclass = 0x0000; 302 init->subchan[1].handle = chan->chan->nvsw.handle; 303 init->subchan[1].grclass = 0x506e; 304 init->nr_subchan = 2; 305 } 306 307 /* Named memory object area */ 308 ret = nouveau_gem_new(dev, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART, 309 0, 0, &chan->ntfy); 310 if (ret == 0) 311 ret = nouveau_bo_pin(chan->ntfy, TTM_PL_FLAG_TT, false); 312 if (ret) 313 goto done; 314 315 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) { 316 ret = nouveau_bo_vma_add(chan->ntfy, cli->vm, 317 &chan->ntfy_vma); 318 if (ret) 319 goto done; 320 } 321 322 ret = drm_gem_handle_create(file_priv, &chan->ntfy->gem, 323 &init->notifier_handle); 324 if (ret) 325 goto done; 326 327 ret = nvkm_mm_init(&chan->heap, 0, PAGE_SIZE, 1); 328 done: 329 if (ret) 330 nouveau_abi16_chan_fini(abi16, chan); 331 return nouveau_abi16_put(abi16, ret); 332 } 333 334 static struct nouveau_abi16_chan * 335 nouveau_abi16_chan(struct nouveau_abi16 *abi16, int channel) 336 { 337 struct nouveau_abi16_chan *chan; 338 339 list_for_each_entry(chan, &abi16->channels, head) { 340 if (chan->chan->user.handle == NOUVEAU_ABI16_CHAN(channel)) 341 return chan; 342 } 343 344 return NULL; 345 } 346 347 int 348 nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS) 349 { 350 struct drm_nouveau_channel_free *req = data; 351 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); 352 struct nouveau_abi16_chan *chan; 353 354 if (unlikely(!abi16)) 355 return -ENOMEM; 356 357 chan = nouveau_abi16_chan(abi16, req->channel); 358 if (!chan) 359 return nouveau_abi16_put(abi16, -ENOENT); 360 nouveau_abi16_chan_fini(abi16, chan); 361 return nouveau_abi16_put(abi16, 0); 362 } 363 364 int 365 nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS) 366 { 367 struct drm_nouveau_grobj_alloc *init = data; 368 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); 369 struct nouveau_abi16_chan *chan; 370 struct nouveau_abi16_ntfy *ntfy; 371 struct nvif_client *client; 372 struct nvif_sclass *sclass; 373 s32 oclass = 0; 374 int ret, i; 375 376 if (unlikely(!abi16)) 377 return -ENOMEM; 378 379 if (init->handle == ~0) 380 return nouveau_abi16_put(abi16, -EINVAL); 381 client = abi16->device.object.client; 382 383 chan = nouveau_abi16_chan(abi16, init->channel); 384 if (!chan) 385 return nouveau_abi16_put(abi16, -ENOENT); 386 387 ret = nvif_object_sclass_get(&chan->chan->user, &sclass); 388 if (ret < 0) 389 return nouveau_abi16_put(abi16, ret); 390 391 if ((init->class & 0x00ff) == 0x006e) { 392 /* nvsw: compatibility with older 0x*6e class identifier */ 393 for (i = 0; !oclass && i < ret; i++) { 394 switch (sclass[i].oclass) { 395 case NVIF_IOCTL_NEW_V0_SW_NV04: 396 case NVIF_IOCTL_NEW_V0_SW_NV10: 397 case NVIF_IOCTL_NEW_V0_SW_NV50: 398 case NVIF_IOCTL_NEW_V0_SW_GF100: 399 oclass = sclass[i].oclass; 400 break; 401 default: 402 break; 403 } 404 } 405 } else 406 if ((init->class & 0x00ff) == 0x00b1) { 407 /* msvld: compatibility with incorrect version exposure */ 408 for (i = 0; i < ret; i++) { 409 if ((sclass[i].oclass & 0x00ff) == 0x00b1) { 410 oclass = sclass[i].oclass; 411 break; 412 } 413 } 414 } else 415 if ((init->class & 0x00ff) == 0x00b2) { /* mspdec */ 416 /* mspdec: compatibility with incorrect version exposure */ 417 for (i = 0; i < ret; i++) { 418 if ((sclass[i].oclass & 0x00ff) == 0x00b2) { 419 oclass = sclass[i].oclass; 420 break; 421 } 422 } 423 } else 424 if ((init->class & 0x00ff) == 0x00b3) { /* msppp */ 425 /* msppp: compatibility with incorrect version exposure */ 426 for (i = 0; i < ret; i++) { 427 if ((sclass[i].oclass & 0x00ff) == 0x00b3) { 428 oclass = sclass[i].oclass; 429 break; 430 } 431 } 432 } else { 433 oclass = init->class; 434 } 435 436 nvif_object_sclass_put(&sclass); 437 if (!oclass) 438 return nouveau_abi16_put(abi16, -EINVAL); 439 440 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL); 441 if (!ntfy) 442 return nouveau_abi16_put(abi16, -ENOMEM); 443 444 list_add(&ntfy->head, &chan->notifiers); 445 446 client->route = NVDRM_OBJECT_ABI16; 447 ret = nvif_object_init(&chan->chan->user, init->handle, oclass, 448 NULL, 0, &ntfy->object); 449 client->route = NVDRM_OBJECT_NVIF; 450 451 if (ret) 452 nouveau_abi16_ntfy_fini(chan, ntfy); 453 return nouveau_abi16_put(abi16, ret); 454 } 455 456 int 457 nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) 458 { 459 struct drm_nouveau_notifierobj_alloc *info = data; 460 struct nouveau_drm *drm = nouveau_drm(dev); 461 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); 462 struct nouveau_abi16_chan *chan; 463 struct nouveau_abi16_ntfy *ntfy; 464 struct nvif_device *device = &abi16->device; 465 struct nvif_client *client; 466 struct nv_dma_v0 args = {}; 467 int ret; 468 469 if (unlikely(!abi16)) 470 return -ENOMEM; 471 472 /* completely unnecessary for these chipsets... */ 473 if (unlikely(device->info.family >= NV_DEVICE_INFO_V0_FERMI)) 474 return nouveau_abi16_put(abi16, -EINVAL); 475 client = abi16->device.object.client; 476 477 chan = nouveau_abi16_chan(abi16, info->channel); 478 if (!chan) 479 return nouveau_abi16_put(abi16, -ENOENT); 480 481 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL); 482 if (!ntfy) 483 return nouveau_abi16_put(abi16, -ENOMEM); 484 485 list_add(&ntfy->head, &chan->notifiers); 486 487 ret = nvkm_mm_head(&chan->heap, 0, 1, info->size, info->size, 1, 488 &ntfy->node); 489 if (ret) 490 goto done; 491 492 args.start = ntfy->node->offset; 493 args.limit = ntfy->node->offset + ntfy->node->length - 1; 494 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) { 495 args.target = NV_DMA_V0_TARGET_VM; 496 args.access = NV_DMA_V0_ACCESS_VM; 497 args.start += chan->ntfy_vma.offset; 498 args.limit += chan->ntfy_vma.offset; 499 } else 500 if (drm->agp.stat == ENABLED) { 501 args.target = NV_DMA_V0_TARGET_AGP; 502 args.access = NV_DMA_V0_ACCESS_RDWR; 503 args.start += drm->agp.base + chan->ntfy->bo.offset; 504 args.limit += drm->agp.base + chan->ntfy->bo.offset; 505 } else { 506 args.target = NV_DMA_V0_TARGET_VM; 507 args.access = NV_DMA_V0_ACCESS_RDWR; 508 args.start += chan->ntfy->bo.offset; 509 args.limit += chan->ntfy->bo.offset; 510 } 511 512 client->route = NVDRM_OBJECT_ABI16; 513 client->super = true; 514 ret = nvif_object_init(&chan->chan->user, info->handle, 515 NV_DMA_IN_MEMORY, &args, sizeof(args), 516 &ntfy->object); 517 client->super = false; 518 client->route = NVDRM_OBJECT_NVIF; 519 if (ret) 520 goto done; 521 522 info->offset = ntfy->node->offset; 523 done: 524 if (ret) 525 nouveau_abi16_ntfy_fini(chan, ntfy); 526 return nouveau_abi16_put(abi16, ret); 527 } 528 529 int 530 nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS) 531 { 532 struct drm_nouveau_gpuobj_free *fini = data; 533 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); 534 struct nouveau_abi16_chan *chan; 535 struct nouveau_abi16_ntfy *ntfy; 536 int ret = -ENOENT; 537 538 if (unlikely(!abi16)) 539 return -ENOMEM; 540 541 chan = nouveau_abi16_chan(abi16, fini->channel); 542 if (!chan) 543 return nouveau_abi16_put(abi16, -EINVAL); 544 545 /* synchronize with the user channel and destroy the gpu object */ 546 nouveau_channel_idle(chan->chan); 547 548 list_for_each_entry(ntfy, &chan->notifiers, head) { 549 if (ntfy->object.handle == fini->handle) { 550 nouveau_abi16_ntfy_fini(chan, ntfy); 551 ret = 0; 552 break; 553 } 554 } 555 556 return nouveau_abi16_put(abi16, ret); 557 } 558