nouveau_abi16.c revision 1.4
1 /* $NetBSD: nouveau_abi16.c,v 1.4 2018/08/27 07:31:29 riastradh Exp $ */ 2 3 /* 4 * Copyright 2012 Red Hat Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 26 #include <sys/cdefs.h> 27 __KERNEL_RCSID(0, "$NetBSD: nouveau_abi16.c,v 1.4 2018/08/27 07:31:29 riastradh Exp $"); 28 29 #include <nvif/client.h> 30 #include <nvif/driver.h> 31 #include <nvif/ioctl.h> 32 #include <nvif/class.h> 33 #include <nvif/unpack.h> 34 35 #include "nouveau_drm.h" 36 #include "nouveau_dma.h" 37 #include "nouveau_gem.h" 38 #include "nouveau_chan.h" 39 #include "nouveau_abi16.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_init(&cli->base.object, 0, NV_DEVICE, 60 &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->device.info.family) { 94 case NV_DEVICE_INFO_V0_TNT: 95 return NVIF_IOCTL_NEW_V0_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_IOCTL_NEW_V0_SW_NV10; 101 case NV_DEVICE_INFO_V0_TESLA: 102 return NVIF_IOCTL_NEW_V0_SW_NV50; 103 case NV_DEVICE_INFO_V0_FERMI: 104 case NV_DEVICE_INFO_V0_KEPLER: 105 case NV_DEVICE_INFO_V0_MAXWELL: 106 return NVIF_IOCTL_NEW_V0_SW_GF100; 107 } 108 109 return 0x0000; 110 } 111 112 static void 113 nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan, 114 struct nouveau_abi16_ntfy *ntfy) 115 { 116 nvif_object_fini(&ntfy->object); 117 nvkm_mm_free(&chan->heap, &ntfy->node); 118 list_del(&ntfy->head); 119 kfree(ntfy); 120 } 121 122 static void 123 nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16, 124 struct nouveau_abi16_chan *chan) 125 { 126 struct nouveau_abi16_ntfy *ntfy, *temp; 127 128 /* wait for all activity to stop before releasing notify object, which 129 * may be still in use */ 130 if (chan->chan && chan->ntfy) 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_bo_vma_del(chan->ntfy, &chan->ntfy_vma); 140 nouveau_bo_unpin(chan->ntfy); 141 drm_gem_object_unreference_unlocked(&chan->ntfy->gem); 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 nouveau_channel_idle(chan->chan); 150 nouveau_channel_del(&chan->chan); 151 } 152 153 list_del(&chan->head); 154 kfree(chan); 155 } 156 157 void 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_fini(&abi16->device); 170 171 kfree(cli->abi16); 172 cli->abi16 = NULL; 173 } 174 175 int 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->device; 181 struct nvkm_gr *gr = nvxx_gr(device); 182 struct drm_nouveau_getparam *getparam = data; 183 184 switch (getparam->param) { 185 case NOUVEAU_GETPARAM_CHIPSET_ID: 186 getparam->value = device->info.chipset; 187 break; 188 case NOUVEAU_GETPARAM_PCI_VENDOR: 189 if (nvxx_device(device)->func->pci) 190 getparam->value = dev->pdev->vendor; 191 else 192 getparam->value = 0; 193 break; 194 case NOUVEAU_GETPARAM_PCI_DEVICE: 195 if (nvxx_device(device)->func->pci) 196 getparam->value = dev->pdev->device; 197 else 198 getparam->value = 0; 199 break; 200 case NOUVEAU_GETPARAM_BUS_TYPE: 201 if (!nvxx_device(device)->func->pci) 202 getparam->value = 3; 203 else 204 if (drm_pci_device_is_agp(dev)) 205 getparam->value = 0; 206 else 207 if (!pci_is_pcie(dev->pdev)) 208 getparam->value = 1; 209 else 210 getparam->value = 2; 211 break; 212 case NOUVEAU_GETPARAM_FB_SIZE: 213 getparam->value = drm->gem.vram_available; 214 break; 215 case NOUVEAU_GETPARAM_AGP_SIZE: 216 getparam->value = drm->gem.gart_available; 217 break; 218 case NOUVEAU_GETPARAM_VM_VRAM_BASE: 219 getparam->value = 0; /* deprecated */ 220 break; 221 case NOUVEAU_GETPARAM_PTIMER_TIME: 222 getparam->value = nvif_device_time(device); 223 break; 224 case NOUVEAU_GETPARAM_HAS_BO_USAGE: 225 getparam->value = 1; 226 break; 227 case NOUVEAU_GETPARAM_HAS_PAGEFLIP: 228 getparam->value = 1; 229 break; 230 case NOUVEAU_GETPARAM_GRAPH_UNITS: 231 getparam->value = nvkm_gr_units(gr); 232 break; 233 default: 234 NV_PRINTK(dbg, cli, "unknown parameter %"PRId64"\n", getparam->param); 235 return -EINVAL; 236 } 237 238 return 0; 239 } 240 241 int 242 nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS) 243 { 244 return -EINVAL; 245 } 246 247 int 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 int ret; 257 258 if (unlikely(!abi16)) 259 return -ENOMEM; 260 261 if (!drm->channel) 262 return nouveau_abi16_put(abi16, -ENODEV); 263 264 device = &abi16->device; 265 266 /* hack to allow channel engine type specification on kepler */ 267 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) { 268 if (init->fb_ctxdma_handle != ~0) 269 init->fb_ctxdma_handle = KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR; 270 else 271 init->fb_ctxdma_handle = init->tt_ctxdma_handle; 272 273 /* allow flips to be executed if this is a graphics channel */ 274 init->tt_ctxdma_handle = 0; 275 if (init->fb_ctxdma_handle == KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR) 276 init->tt_ctxdma_handle = 1; 277 } 278 279 if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0) 280 return nouveau_abi16_put(abi16, -EINVAL); 281 282 /* allocate "abi16 channel" data and make up a handle for it */ 283 chan = kzalloc(sizeof(*chan), GFP_KERNEL); 284 if (!chan) 285 return nouveau_abi16_put(abi16, -ENOMEM); 286 287 INIT_LIST_HEAD(&chan->notifiers); 288 list_add(&chan->head, &abi16->channels); 289 290 /* create channel object and initialise dma and fence management */ 291 ret = nouveau_channel_new(drm, device, init->fb_ctxdma_handle, 292 init->tt_ctxdma_handle, &chan->chan); 293 if (ret) 294 goto done; 295 296 init->channel = chan->chan->chid; 297 298 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) 299 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM | 300 NOUVEAU_GEM_DOMAIN_GART; 301 else 302 if (chan->chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM) 303 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM; 304 else 305 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART; 306 307 if (device->info.family < NV_DEVICE_INFO_V0_CELSIUS) { 308 init->subchan[0].handle = 0x00000000; 309 init->subchan[0].grclass = 0x0000; 310 init->subchan[1].handle = chan->chan->nvsw.handle; 311 init->subchan[1].grclass = 0x506e; 312 init->nr_subchan = 2; 313 } 314 315 /* Named memory object area */ 316 ret = nouveau_gem_new(dev, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART, 317 0, 0, &chan->ntfy); 318 if (ret == 0) 319 ret = nouveau_bo_pin(chan->ntfy, TTM_PL_FLAG_TT, false); 320 if (ret) 321 goto done; 322 323 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) { 324 ret = nouveau_bo_vma_add(chan->ntfy, cli->vm, 325 &chan->ntfy_vma); 326 if (ret) 327 goto done; 328 } 329 330 ret = drm_gem_handle_create(file_priv, &chan->ntfy->gem, 331 &init->notifier_handle); 332 if (ret) 333 goto done; 334 335 ret = nvkm_mm_init(&chan->heap, 0, PAGE_SIZE, 1); 336 done: 337 if (ret) 338 nouveau_abi16_chan_fini(abi16, chan); 339 return nouveau_abi16_put(abi16, ret); 340 } 341 342 static struct nouveau_abi16_chan * 343 nouveau_abi16_chan(struct nouveau_abi16 *abi16, int channel) 344 { 345 struct nouveau_abi16_chan *chan; 346 347 list_for_each_entry(chan, &abi16->channels, head) { 348 if (chan->chan->chid == channel) 349 return chan; 350 } 351 352 return NULL; 353 } 354 355 int 356 nouveau_abi16_usif(struct drm_file *file_priv, void *data, u32 size) 357 { 358 union { 359 struct nvif_ioctl_v0 v0; 360 } *args = data; 361 struct nouveau_abi16_chan *chan; 362 struct nouveau_abi16 *abi16; 363 int ret; 364 365 if (nvif_unpack(args->v0, 0, 0, true)) { 366 switch (args->v0.type) { 367 case NVIF_IOCTL_V0_NEW: 368 case NVIF_IOCTL_V0_MTHD: 369 case NVIF_IOCTL_V0_SCLASS: 370 break; 371 default: 372 return -EACCES; 373 } 374 } else 375 return ret; 376 377 if (!(abi16 = nouveau_abi16(file_priv))) 378 return -ENOMEM; 379 380 if (args->v0.token != ~0ULL) { 381 if (!(chan = nouveau_abi16_chan(abi16, args->v0.token))) 382 return -EINVAL; 383 args->v0.object = nvif_handle(&chan->chan->user); 384 args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY; 385 return 0; 386 } 387 388 args->v0.object = nvif_handle(&abi16->device.object); 389 args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY; 390 return 0; 391 } 392 393 int 394 nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS) 395 { 396 struct drm_nouveau_channel_free *req = data; 397 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv); 398 struct nouveau_abi16_chan *chan; 399 400 if (unlikely(!abi16)) 401 return -ENOMEM; 402 403 chan = nouveau_abi16_chan(abi16, req->channel); 404 if (!chan) 405 return nouveau_abi16_put(abi16, -ENOENT); 406 nouveau_abi16_chan_fini(abi16, chan); 407 return nouveau_abi16_put(abi16, 0); 408 } 409 410 int 411 nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS) 412 { 413 struct drm_nouveau_grobj_alloc *init = data; 414 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv); 415 struct nouveau_abi16_chan *chan; 416 struct nouveau_abi16_ntfy *ntfy; 417 struct nvif_client *client; 418 struct nvif_sclass *sclass; 419 s32 oclass = 0; 420 int ret, i; 421 422 if (unlikely(!abi16)) 423 return -ENOMEM; 424 425 if (init->handle == ~0) 426 return nouveau_abi16_put(abi16, -EINVAL); 427 client = abi16->device.object.client; 428 429 chan = nouveau_abi16_chan(abi16, init->channel); 430 if (!chan) 431 return nouveau_abi16_put(abi16, -ENOENT); 432 433 ret = nvif_object_sclass_get(&chan->chan->user, &sclass); 434 if (ret < 0) 435 return nouveau_abi16_put(abi16, ret); 436 437 if ((init->class & 0x00ff) == 0x006e) { 438 /* nvsw: compatibility with older 0x*6e class identifier */ 439 for (i = 0; !oclass && i < ret; i++) { 440 switch (sclass[i].oclass) { 441 case NVIF_IOCTL_NEW_V0_SW_NV04: 442 case NVIF_IOCTL_NEW_V0_SW_NV10: 443 case NVIF_IOCTL_NEW_V0_SW_NV50: 444 case NVIF_IOCTL_NEW_V0_SW_GF100: 445 oclass = sclass[i].oclass; 446 break; 447 default: 448 break; 449 } 450 } 451 } else 452 if ((init->class & 0x00ff) == 0x00b1) { 453 /* msvld: compatibility with incorrect version exposure */ 454 for (i = 0; i < ret; i++) { 455 if ((sclass[i].oclass & 0x00ff) == 0x00b1) { 456 oclass = sclass[i].oclass; 457 break; 458 } 459 } 460 } else 461 if ((init->class & 0x00ff) == 0x00b2) { /* mspdec */ 462 /* mspdec: compatibility with incorrect version exposure */ 463 for (i = 0; i < ret; i++) { 464 if ((sclass[i].oclass & 0x00ff) == 0x00b2) { 465 oclass = sclass[i].oclass; 466 break; 467 } 468 } 469 } else 470 if ((init->class & 0x00ff) == 0x00b3) { /* msppp */ 471 /* msppp: compatibility with incorrect version exposure */ 472 for (i = 0; i < ret; i++) { 473 if ((sclass[i].oclass & 0x00ff) == 0x00b3) { 474 oclass = sclass[i].oclass; 475 break; 476 } 477 } 478 } else { 479 oclass = init->class; 480 } 481 482 nvif_object_sclass_put(&sclass); 483 if (!oclass) 484 return nouveau_abi16_put(abi16, -EINVAL); 485 486 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL); 487 if (!ntfy) 488 return nouveau_abi16_put(abi16, -ENOMEM); 489 490 list_add(&ntfy->head, &chan->notifiers); 491 492 client->route = NVDRM_OBJECT_ABI16; 493 ret = nvif_object_init(&chan->chan->user, init->handle, oclass, 494 NULL, 0, &ntfy->object); 495 client->route = NVDRM_OBJECT_NVIF; 496 497 if (ret) 498 nouveau_abi16_ntfy_fini(chan, ntfy); 499 return nouveau_abi16_put(abi16, ret); 500 } 501 502 int 503 nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) 504 { 505 struct drm_nouveau_notifierobj_alloc *info = data; 506 struct nouveau_drm *drm = nouveau_drm(dev); 507 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv); 508 struct nouveau_abi16_chan *chan; 509 struct nouveau_abi16_ntfy *ntfy; 510 struct nvif_device *device = &abi16->device; 511 struct nvif_client *client; 512 static const struct nv_dma_v0 zero_args; 513 struct nv_dma_v0 args = zero_args; 514 int ret; 515 516 if (unlikely(!abi16)) 517 return -ENOMEM; 518 519 /* completely unnecessary for these chipsets... */ 520 if (unlikely(device->info.family >= NV_DEVICE_INFO_V0_FERMI)) 521 return nouveau_abi16_put(abi16, -EINVAL); 522 client = abi16->device.object.client; 523 524 chan = nouveau_abi16_chan(abi16, info->channel); 525 if (!chan) 526 return nouveau_abi16_put(abi16, -ENOENT); 527 528 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL); 529 if (!ntfy) 530 return nouveau_abi16_put(abi16, -ENOMEM); 531 532 list_add(&ntfy->head, &chan->notifiers); 533 534 ret = nvkm_mm_head(&chan->heap, 0, 1, info->size, info->size, 1, 535 &ntfy->node); 536 if (ret) 537 goto done; 538 539 args.start = ntfy->node->offset; 540 args.limit = ntfy->node->offset + ntfy->node->length - 1; 541 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) { 542 args.target = NV_DMA_V0_TARGET_VM; 543 args.access = NV_DMA_V0_ACCESS_VM; 544 args.start += chan->ntfy_vma.offset; 545 args.limit += chan->ntfy_vma.offset; 546 } else 547 if (drm->agp.bridge) { 548 args.target = NV_DMA_V0_TARGET_AGP; 549 args.access = NV_DMA_V0_ACCESS_RDWR; 550 args.start += drm->agp.base + chan->ntfy->bo.offset; 551 args.limit += drm->agp.base + chan->ntfy->bo.offset; 552 } else { 553 args.target = NV_DMA_V0_TARGET_VM; 554 args.access = NV_DMA_V0_ACCESS_RDWR; 555 args.start += chan->ntfy->bo.offset; 556 args.limit += chan->ntfy->bo.offset; 557 } 558 559 client->route = NVDRM_OBJECT_ABI16; 560 client->super = true; 561 ret = nvif_object_init(&chan->chan->user, info->handle, 562 NV_DMA_IN_MEMORY, &args, sizeof(args), 563 &ntfy->object); 564 client->super = false; 565 client->route = NVDRM_OBJECT_NVIF; 566 if (ret) 567 goto done; 568 569 info->offset = ntfy->node->offset; 570 done: 571 if (ret) 572 nouveau_abi16_ntfy_fini(chan, ntfy); 573 return nouveau_abi16_put(abi16, ret); 574 } 575 576 int 577 nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS) 578 { 579 struct drm_nouveau_gpuobj_free *fini = data; 580 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv); 581 struct nouveau_abi16_chan *chan; 582 struct nouveau_abi16_ntfy *ntfy; 583 int ret = -ENOENT; 584 585 if (unlikely(!abi16)) 586 return -ENOMEM; 587 588 chan = nouveau_abi16_chan(abi16, fini->channel); 589 if (!chan) 590 return nouveau_abi16_put(abi16, -EINVAL); 591 592 /* synchronize with the user channel and destroy the gpu object */ 593 nouveau_channel_idle(chan->chan); 594 595 list_for_each_entry(ntfy, &chan->notifiers, head) { 596 if (ntfy->object.handle == fini->handle) { 597 nouveau_abi16_ntfy_fini(chan, ntfy); 598 ret = 0; 599 break; 600 } 601 } 602 603 return nouveau_abi16_put(abi16, ret); 604 } 605
Indexes created Wed Oct 29 20:09:47 GMT 2025