nouveau_abi16.c revision 1.1
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 <core/object.h> 25 #include <core/client.h> 26 #include <core/device.h> 27 #include <core/class.h> 28 #include <core/mm.h> 29 30 #include <subdev/fb.h> 31 #include <subdev/timer.h> 32 #include <subdev/instmem.h> 33 #include <engine/graph.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 struct nouveau_abi16 * 42 nouveau_abi16_get(struct drm_file *file_priv, struct drm_device *dev) 43 { 44 struct nouveau_cli *cli = nouveau_cli(file_priv); 45 mutex_lock(&cli->mutex); 46 if (!cli->abi16) { 47 struct nouveau_abi16 *abi16; 48 cli->abi16 = abi16 = kzalloc(sizeof(*abi16), GFP_KERNEL); 49 if (cli->abi16) { 50 INIT_LIST_HEAD(&abi16->channels); 51 abi16->client = nv_object(cli); 52 53 /* allocate device object targeting client's default 54 * device (ie. the one that belongs to the fd it 55 * opened) 56 */ 57 if (nouveau_object_new(abi16->client, NVDRM_CLIENT, 58 NVDRM_DEVICE, 0x0080, 59 &(struct nv_device_class) { 60 .device = ~0ULL, 61 }, 62 sizeof(struct nv_device_class), 63 &abi16->device) == 0) 64 return cli->abi16; 65 66 kfree(cli->abi16); 67 cli->abi16 = NULL; 68 } 69 70 mutex_unlock(&cli->mutex); 71 } 72 return cli->abi16; 73 } 74 75 int 76 nouveau_abi16_put(struct nouveau_abi16 *abi16, int ret) 77 { 78 struct nouveau_cli *cli = (void *)abi16->client; 79 mutex_unlock(&cli->mutex); 80 return ret; 81 } 82 83 u16 84 nouveau_abi16_swclass(struct nouveau_drm *drm) 85 { 86 switch (nv_device(drm->device)->card_type) { 87 case NV_04: 88 return 0x006e; 89 case NV_10: 90 case NV_11: 91 case NV_20: 92 case NV_30: 93 case NV_40: 94 return 0x016e; 95 case NV_50: 96 return 0x506e; 97 case NV_C0: 98 case NV_D0: 99 case NV_E0: 100 case GM100: 101 return 0x906e; 102 } 103 104 return 0x0000; 105 } 106 107 static void 108 nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan, 109 struct nouveau_abi16_ntfy *ntfy) 110 { 111 nouveau_mm_free(&chan->heap, &ntfy->node); 112 list_del(&ntfy->head); 113 kfree(ntfy); 114 } 115 116 static void 117 nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16, 118 struct nouveau_abi16_chan *chan) 119 { 120 struct nouveau_abi16_ntfy *ntfy, *temp; 121 122 /* wait for all activity to stop before releasing notify object, which 123 * may be still in use */ 124 if (chan->chan && chan->ntfy) 125 nouveau_channel_idle(chan->chan); 126 127 /* cleanup notifier state */ 128 list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) { 129 nouveau_abi16_ntfy_fini(chan, ntfy); 130 } 131 132 if (chan->ntfy) { 133 nouveau_bo_vma_del(chan->ntfy, &chan->ntfy_vma); 134 nouveau_bo_unpin(chan->ntfy); 135 drm_gem_object_unreference_unlocked(&chan->ntfy->gem); 136 } 137 138 if (chan->heap.block_size) 139 nouveau_mm_fini(&chan->heap); 140 141 /* destroy channel object, all children will be killed too */ 142 if (chan->chan) { 143 abi16->handles &= ~(1ULL << (chan->chan->handle & 0xffff)); 144 nouveau_channel_del(&chan->chan); 145 } 146 147 list_del(&chan->head); 148 kfree(chan); 149 } 150 151 void 152 nouveau_abi16_fini(struct nouveau_abi16 *abi16) 153 { 154 struct nouveau_cli *cli = (void *)abi16->client; 155 struct nouveau_abi16_chan *chan, *temp; 156 157 /* cleanup channels */ 158 list_for_each_entry_safe(chan, temp, &abi16->channels, head) { 159 nouveau_abi16_chan_fini(abi16, chan); 160 } 161 162 /* destroy the device object */ 163 nouveau_object_del(abi16->client, NVDRM_CLIENT, NVDRM_DEVICE); 164 165 kfree(cli->abi16); 166 cli->abi16 = NULL; 167 } 168 169 int 170 nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS) 171 { 172 struct nouveau_drm *drm = nouveau_drm(dev); 173 struct nouveau_device *device = nv_device(drm->device); 174 struct nouveau_timer *ptimer = nouveau_timer(device); 175 struct nouveau_graph *graph = (void *)nouveau_engine(device, NVDEV_ENGINE_GR); 176 struct drm_nouveau_getparam *getparam = data; 177 178 switch (getparam->param) { 179 case NOUVEAU_GETPARAM_CHIPSET_ID: 180 getparam->value = device->chipset; 181 break; 182 case NOUVEAU_GETPARAM_PCI_VENDOR: 183 if (nv_device_is_pci(device)) 184 getparam->value = dev->pdev->vendor; 185 else 186 getparam->value = 0; 187 break; 188 case NOUVEAU_GETPARAM_PCI_DEVICE: 189 if (nv_device_is_pci(device)) 190 getparam->value = dev->pdev->device; 191 else 192 getparam->value = 0; 193 break; 194 case NOUVEAU_GETPARAM_BUS_TYPE: 195 if (!nv_device_is_pci(device)) 196 getparam->value = 3; 197 else 198 if (drm_pci_device_is_agp(dev)) 199 getparam->value = 0; 200 else 201 if (!pci_is_pcie(dev->pdev)) 202 getparam->value = 1; 203 else 204 getparam->value = 2; 205 break; 206 case NOUVEAU_GETPARAM_FB_SIZE: 207 getparam->value = drm->gem.vram_available; 208 break; 209 case NOUVEAU_GETPARAM_AGP_SIZE: 210 getparam->value = drm->gem.gart_available; 211 break; 212 case NOUVEAU_GETPARAM_VM_VRAM_BASE: 213 getparam->value = 0; /* deprecated */ 214 break; 215 case NOUVEAU_GETPARAM_PTIMER_TIME: 216 getparam->value = ptimer->read(ptimer); 217 break; 218 case NOUVEAU_GETPARAM_HAS_BO_USAGE: 219 getparam->value = 1; 220 break; 221 case NOUVEAU_GETPARAM_HAS_PAGEFLIP: 222 getparam->value = 1; 223 break; 224 case NOUVEAU_GETPARAM_GRAPH_UNITS: 225 getparam->value = graph->units ? graph->units(graph) : 0; 226 break; 227 default: 228 nv_debug(device, "unknown parameter %lld\n", getparam->param); 229 return -EINVAL; 230 } 231 232 return 0; 233 } 234 235 int 236 nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS) 237 { 238 return -EINVAL; 239 } 240 241 int 242 nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS) 243 { 244 struct drm_nouveau_channel_alloc *init = data; 245 struct nouveau_cli *cli = nouveau_cli(file_priv); 246 struct nouveau_drm *drm = nouveau_drm(dev); 247 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); 248 struct nouveau_abi16_chan *chan; 249 struct nouveau_client *client; 250 struct nouveau_device *device; 251 struct nouveau_instmem *imem; 252 struct nouveau_fb *pfb; 253 int ret; 254 255 if (unlikely(!abi16)) 256 return -ENOMEM; 257 258 if (!drm->channel) 259 return nouveau_abi16_put(abi16, -ENODEV); 260 261 client = nv_client(abi16->client); 262 device = nv_device(abi16->device); 263 imem = nouveau_instmem(device); 264 pfb = nouveau_fb(device); 265 266 /* hack to allow channel engine type specification on kepler */ 267 if (device->card_type >= NV_E0) { 268 if (init->fb_ctxdma_handle != ~0) 269 init->fb_ctxdma_handle = NVE0_CHANNEL_IND_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 == NVE0_CHANNEL_IND_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 init->channel = __ffs64(~abi16->handles); 284 if (~abi16->handles == 0) 285 return nouveau_abi16_put(abi16, -ENOSPC); 286 287 chan = kzalloc(sizeof(*chan), GFP_KERNEL); 288 if (!chan) 289 return nouveau_abi16_put(abi16, -ENOMEM); 290 291 INIT_LIST_HEAD(&chan->notifiers); 292 list_add(&chan->head, &abi16->channels); 293 abi16->handles |= (1ULL << init->channel); 294 295 /* create channel object and initialise dma and fence management */ 296 ret = nouveau_channel_new(drm, cli, NVDRM_DEVICE, NVDRM_CHAN | 297 init->channel, init->fb_ctxdma_handle, 298 init->tt_ctxdma_handle, &chan->chan); 299 if (ret) 300 goto done; 301 302 if (device->card_type >= NV_50) 303 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM | 304 NOUVEAU_GEM_DOMAIN_GART; 305 else 306 if (chan->chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM) 307 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM; 308 else 309 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART; 310 311 if (device->card_type < NV_10) { 312 init->subchan[0].handle = 0x00000000; 313 init->subchan[0].grclass = 0x0000; 314 init->subchan[1].handle = NvSw; 315 init->subchan[1].grclass = 0x506e; 316 init->nr_subchan = 2; 317 } 318 319 /* Named memory object area */ 320 ret = nouveau_gem_new(dev, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART, 321 0, 0, &chan->ntfy); 322 if (ret == 0) 323 ret = nouveau_bo_pin(chan->ntfy, TTM_PL_FLAG_TT); 324 if (ret) 325 goto done; 326 327 if (device->card_type >= NV_50) { 328 ret = nouveau_bo_vma_add(chan->ntfy, client->vm, 329 &chan->ntfy_vma); 330 if (ret) 331 goto done; 332 } 333 334 ret = drm_gem_handle_create(file_priv, &chan->ntfy->gem, 335 &init->notifier_handle); 336 if (ret) 337 goto done; 338 339 ret = nouveau_mm_init(&chan->heap, 0, PAGE_SIZE, 1); 340 done: 341 if (ret) 342 nouveau_abi16_chan_fini(abi16, chan); 343 return nouveau_abi16_put(abi16, ret); 344 } 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 int ret = -ENOENT; 354 355 if (unlikely(!abi16)) 356 return -ENOMEM; 357 358 list_for_each_entry(chan, &abi16->channels, head) { 359 if (chan->chan->handle == (NVDRM_CHAN | req->channel)) { 360 nouveau_abi16_chan_fini(abi16, chan); 361 return nouveau_abi16_put(abi16, 0); 362 } 363 } 364 365 return nouveau_abi16_put(abi16, ret); 366 } 367 368 int 369 nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS) 370 { 371 struct drm_nouveau_grobj_alloc *init = data; 372 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); 373 struct nouveau_drm *drm = nouveau_drm(dev); 374 struct nouveau_object *object; 375 int ret; 376 377 if (unlikely(!abi16)) 378 return -ENOMEM; 379 380 if (init->handle == ~0) 381 return nouveau_abi16_put(abi16, -EINVAL); 382 383 /* compatibility with userspace that assumes 506e for all chipsets */ 384 if (init->class == 0x506e) { 385 init->class = nouveau_abi16_swclass(drm); 386 if (init->class == 0x906e) 387 return nouveau_abi16_put(abi16, 0); 388 } 389 390 ret = nouveau_object_new(abi16->client, NVDRM_CHAN | init->channel, 391 init->handle, init->class, NULL, 0, &object); 392 return nouveau_abi16_put(abi16, ret); 393 } 394 395 int 396 nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) 397 { 398 struct drm_nouveau_notifierobj_alloc *info = data; 399 struct nouveau_drm *drm = nouveau_drm(dev); 400 struct nouveau_device *device = nv_device(drm->device); 401 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); 402 struct nouveau_abi16_chan *chan = NULL, *temp; 403 struct nouveau_abi16_ntfy *ntfy; 404 struct nouveau_object *object; 405 struct nv_dma_class args = {}; 406 int ret; 407 408 if (unlikely(!abi16)) 409 return -ENOMEM; 410 411 /* completely unnecessary for these chipsets... */ 412 if (unlikely(nv_device(abi16->device)->card_type >= NV_C0)) 413 return nouveau_abi16_put(abi16, -EINVAL); 414 415 list_for_each_entry(temp, &abi16->channels, head) { 416 if (temp->chan->handle == (NVDRM_CHAN | info->channel)) { 417 chan = temp; 418 break; 419 } 420 } 421 422 if (!chan) 423 return nouveau_abi16_put(abi16, -ENOENT); 424 425 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL); 426 if (!ntfy) 427 return nouveau_abi16_put(abi16, -ENOMEM); 428 429 list_add(&ntfy->head, &chan->notifiers); 430 ntfy->handle = info->handle; 431 432 ret = nouveau_mm_head(&chan->heap, 1, info->size, info->size, 1, 433 &ntfy->node); 434 if (ret) 435 goto done; 436 437 args.start = ntfy->node->offset; 438 args.limit = ntfy->node->offset + ntfy->node->length - 1; 439 if (device->card_type >= NV_50) { 440 args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_VM; 441 args.start += chan->ntfy_vma.offset; 442 args.limit += chan->ntfy_vma.offset; 443 } else 444 if (drm->agp.stat == ENABLED) { 445 args.flags = NV_DMA_TARGET_AGP | NV_DMA_ACCESS_RDWR; 446 args.start += drm->agp.base + chan->ntfy->bo.offset; 447 args.limit += drm->agp.base + chan->ntfy->bo.offset; 448 } else { 449 args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_RDWR; 450 args.start += chan->ntfy->bo.offset; 451 args.limit += chan->ntfy->bo.offset; 452 } 453 454 ret = nouveau_object_new(abi16->client, chan->chan->handle, 455 ntfy->handle, 0x003d, &args, 456 sizeof(args), &object); 457 if (ret) 458 goto done; 459 460 info->offset = ntfy->node->offset; 461 462 done: 463 if (ret) 464 nouveau_abi16_ntfy_fini(chan, ntfy); 465 return nouveau_abi16_put(abi16, ret); 466 } 467 468 int 469 nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS) 470 { 471 struct drm_nouveau_gpuobj_free *fini = data; 472 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); 473 struct nouveau_abi16_chan *chan = NULL, *temp; 474 struct nouveau_abi16_ntfy *ntfy; 475 int ret; 476 477 if (unlikely(!abi16)) 478 return -ENOMEM; 479 480 list_for_each_entry(temp, &abi16->channels, head) { 481 if (temp->chan->handle == (NVDRM_CHAN | fini->channel)) { 482 chan = temp; 483 break; 484 } 485 } 486 487 if (!chan) 488 return nouveau_abi16_put(abi16, -ENOENT); 489 490 /* synchronize with the user channel and destroy the gpu object */ 491 nouveau_channel_idle(chan->chan); 492 493 ret = nouveau_object_del(abi16->client, chan->chan->handle, fini->handle); 494 if (ret) 495 return nouveau_abi16_put(abi16, ret); 496 497 /* cleanup extra state if this object was a notifier */ 498 list_for_each_entry(ntfy, &chan->notifiers, head) { 499 if (ntfy->handle == fini->handle) { 500 nouveau_mm_free(&chan->heap, &ntfy->node); 501 list_del(&ntfy->head); 502 break; 503 } 504 } 505 506 return nouveau_abi16_put(abi16, 0); 507 } 508
Indexes created Thu Oct 30 16:09:53 GMT 2025