nouveau_abi16.c revision 1.1.1.2
1 /* $NetBSD: nouveau_abi16.c,v 1.1.1.2 2014/08/06 12:36:23 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 1.1.1.2 2014/08/06 12:36:23 riastradh Exp $"); 28 29 #include <core/object.h> 30 #include <core/client.h> 31 #include <core/device.h> 32 #include <core/class.h> 33 #include <core/mm.h> 34 35 #include <subdev/fb.h> 36 #include <subdev/timer.h> 37 #include <subdev/instmem.h> 38 #include <engine/graph.h> 39 40 #include "nouveau_drm.h" 41 #include "nouveau_dma.h" 42 #include "nouveau_gem.h" 43 #include "nouveau_chan.h" 44 #include "nouveau_abi16.h" 45 46 struct nouveau_abi16 * 47 nouveau_abi16_get(struct drm_file *file_priv, struct drm_device *dev) 48 { 49 struct nouveau_cli *cli = nouveau_cli(file_priv); 50 mutex_lock(&cli->mutex); 51 if (!cli->abi16) { 52 struct nouveau_abi16 *abi16; 53 cli->abi16 = abi16 = kzalloc(sizeof(*abi16), GFP_KERNEL); 54 if (cli->abi16) { 55 INIT_LIST_HEAD(&abi16->channels); 56 abi16->client = nv_object(cli); 57 58 /* allocate device object targeting client's default 59 * device (ie. the one that belongs to the fd it 60 * opened) 61 */ 62 if (nouveau_object_new(abi16->client, NVDRM_CLIENT, 63 NVDRM_DEVICE, 0x0080, 64 &(struct nv_device_class) { 65 .device = ~0ULL, 66 }, 67 sizeof(struct nv_device_class), 68 &abi16->device) == 0) 69 return cli->abi16; 70 71 kfree(cli->abi16); 72 cli->abi16 = NULL; 73 } 74 75 mutex_unlock(&cli->mutex); 76 } 77 return cli->abi16; 78 } 79 80 int 81 nouveau_abi16_put(struct nouveau_abi16 *abi16, int ret) 82 { 83 struct nouveau_cli *cli = (void *)abi16->client; 84 mutex_unlock(&cli->mutex); 85 return ret; 86 } 87 88 u16 89 nouveau_abi16_swclass(struct nouveau_drm *drm) 90 { 91 switch (nv_device(drm->device)->card_type) { 92 case NV_04: 93 return 0x006e; 94 case NV_10: 95 case NV_11: 96 case NV_20: 97 case NV_30: 98 case NV_40: 99 return 0x016e; 100 case NV_50: 101 return 0x506e; 102 case NV_C0: 103 case NV_D0: 104 case NV_E0: 105 case GM100: 106 return 0x906e; 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 nouveau_mm_free(&chan->heap, &ntfy->node); 117 list_del(&ntfy->head); 118 kfree(ntfy); 119 } 120 121 static void 122 nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16, 123 struct nouveau_abi16_chan *chan) 124 { 125 struct nouveau_abi16_ntfy *ntfy, *temp; 126 127 /* wait for all activity to stop before releasing notify object, which 128 * may be still in use */ 129 if (chan->chan && chan->ntfy) 130 nouveau_channel_idle(chan->chan); 131 132 /* cleanup notifier state */ 133 list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) { 134 nouveau_abi16_ntfy_fini(chan, ntfy); 135 } 136 137 if (chan->ntfy) { 138 nouveau_bo_vma_del(chan->ntfy, &chan->ntfy_vma); 139 nouveau_bo_unpin(chan->ntfy); 140 drm_gem_object_unreference_unlocked(&chan->ntfy->gem); 141 } 142 143 if (chan->heap.block_size) 144 nouveau_mm_fini(&chan->heap); 145 146 /* destroy channel object, all children will be killed too */ 147 if (chan->chan) { 148 abi16->handles &= ~(1ULL << (chan->chan->handle & 0xffff)); 149 nouveau_channel_del(&chan->chan); 150 } 151 152 list_del(&chan->head); 153 kfree(chan); 154 } 155 156 void 157 nouveau_abi16_fini(struct nouveau_abi16 *abi16) 158 { 159 struct nouveau_cli *cli = (void *)abi16->client; 160 struct nouveau_abi16_chan *chan, *temp; 161 162 /* cleanup channels */ 163 list_for_each_entry_safe(chan, temp, &abi16->channels, head) { 164 nouveau_abi16_chan_fini(abi16, chan); 165 } 166 167 /* destroy the device object */ 168 nouveau_object_del(abi16->client, NVDRM_CLIENT, NVDRM_DEVICE); 169 170 kfree(cli->abi16); 171 cli->abi16 = NULL; 172 } 173 174 int 175 nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS) 176 { 177 struct nouveau_drm *drm = nouveau_drm(dev); 178 struct nouveau_device *device = nv_device(drm->device); 179 struct nouveau_timer *ptimer = nouveau_timer(device); 180 struct nouveau_graph *graph = (void *)nouveau_engine(device, NVDEV_ENGINE_GR); 181 struct drm_nouveau_getparam *getparam = data; 182 183 switch (getparam->param) { 184 case NOUVEAU_GETPARAM_CHIPSET_ID: 185 getparam->value = device->chipset; 186 break; 187 case NOUVEAU_GETPARAM_PCI_VENDOR: 188 if (nv_device_is_pci(device)) 189 getparam->value = dev->pdev->vendor; 190 else 191 getparam->value = 0; 192 break; 193 case NOUVEAU_GETPARAM_PCI_DEVICE: 194 if (nv_device_is_pci(device)) 195 getparam->value = dev->pdev->device; 196 else 197 getparam->value = 0; 198 break; 199 case NOUVEAU_GETPARAM_BUS_TYPE: 200 if (!nv_device_is_pci(device)) 201 getparam->value = 3; 202 else 203 if (drm_pci_device_is_agp(dev)) 204 getparam->value = 0; 205 else 206 if (!pci_is_pcie(dev->pdev)) 207 getparam->value = 1; 208 else 209 getparam->value = 2; 210 break; 211 case NOUVEAU_GETPARAM_FB_SIZE: 212 getparam->value = drm->gem.vram_available; 213 break; 214 case NOUVEAU_GETPARAM_AGP_SIZE: 215 getparam->value = drm->gem.gart_available; 216 break; 217 case NOUVEAU_GETPARAM_VM_VRAM_BASE: 218 getparam->value = 0; /* deprecated */ 219 break; 220 case NOUVEAU_GETPARAM_PTIMER_TIME: 221 getparam->value = ptimer->read(ptimer); 222 break; 223 case NOUVEAU_GETPARAM_HAS_BO_USAGE: 224 getparam->value = 1; 225 break; 226 case NOUVEAU_GETPARAM_HAS_PAGEFLIP: 227 getparam->value = 1; 228 break; 229 case NOUVEAU_GETPARAM_GRAPH_UNITS: 230 getparam->value = graph->units ? graph->units(graph) : 0; 231 break; 232 default: 233 nv_debug(device, "unknown parameter %lld\n", getparam->param); 234 return -EINVAL; 235 } 236 237 return 0; 238 } 239 240 int 241 nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS) 242 { 243 return -EINVAL; 244 } 245 246 int 247 nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS) 248 { 249 struct drm_nouveau_channel_alloc *init = data; 250 struct nouveau_cli *cli = nouveau_cli(file_priv); 251 struct nouveau_drm *drm = nouveau_drm(dev); 252 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); 253 struct nouveau_abi16_chan *chan; 254 struct nouveau_client *client; 255 struct nouveau_device *device; 256 struct nouveau_instmem *imem; 257 struct nouveau_fb *pfb; 258 int ret; 259 260 if (unlikely(!abi16)) 261 return -ENOMEM; 262 263 if (!drm->channel) 264 return nouveau_abi16_put(abi16, -ENODEV); 265 266 client = nv_client(abi16->client); 267 device = nv_device(abi16->device); 268 imem = nouveau_instmem(device); 269 pfb = nouveau_fb(device); 270 271 /* hack to allow channel engine type specification on kepler */ 272 if (device->card_type >= NV_E0) { 273 if (init->fb_ctxdma_handle != ~0) 274 init->fb_ctxdma_handle = NVE0_CHANNEL_IND_ENGINE_GR; 275 else 276 init->fb_ctxdma_handle = init->tt_ctxdma_handle; 277 278 /* allow flips to be executed if this is a graphics channel */ 279 init->tt_ctxdma_handle = 0; 280 if (init->fb_ctxdma_handle == NVE0_CHANNEL_IND_ENGINE_GR) 281 init->tt_ctxdma_handle = 1; 282 } 283 284 if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0) 285 return nouveau_abi16_put(abi16, -EINVAL); 286 287 /* allocate "abi16 channel" data and make up a handle for it */ 288 init->channel = __ffs64(~abi16->handles); 289 if (~abi16->handles == 0) 290 return nouveau_abi16_put(abi16, -ENOSPC); 291 292 chan = kzalloc(sizeof(*chan), GFP_KERNEL); 293 if (!chan) 294 return nouveau_abi16_put(abi16, -ENOMEM); 295 296 INIT_LIST_HEAD(&chan->notifiers); 297 list_add(&chan->head, &abi16->channels); 298 abi16->handles |= (1ULL << init->channel); 299 300 /* create channel object and initialise dma and fence management */ 301 ret = nouveau_channel_new(drm, cli, NVDRM_DEVICE, NVDRM_CHAN | 302 init->channel, init->fb_ctxdma_handle, 303 init->tt_ctxdma_handle, &chan->chan); 304 if (ret) 305 goto done; 306 307 if (device->card_type >= NV_50) 308 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM | 309 NOUVEAU_GEM_DOMAIN_GART; 310 else 311 if (chan->chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM) 312 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM; 313 else 314 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART; 315 316 if (device->card_type < NV_10) { 317 init->subchan[0].handle = 0x00000000; 318 init->subchan[0].grclass = 0x0000; 319 init->subchan[1].handle = NvSw; 320 init->subchan[1].grclass = 0x506e; 321 init->nr_subchan = 2; 322 } 323 324 /* Named memory object area */ 325 ret = nouveau_gem_new(dev, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART, 326 0, 0, &chan->ntfy); 327 if (ret == 0) 328 ret = nouveau_bo_pin(chan->ntfy, TTM_PL_FLAG_TT); 329 if (ret) 330 goto done; 331 332 if (device->card_type >= NV_50) { 333 ret = nouveau_bo_vma_add(chan->ntfy, client->vm, 334 &chan->ntfy_vma); 335 if (ret) 336 goto done; 337 } 338 339 ret = drm_gem_handle_create(file_priv, &chan->ntfy->gem, 340 &init->notifier_handle); 341 if (ret) 342 goto done; 343 344 ret = nouveau_mm_init(&chan->heap, 0, PAGE_SIZE, 1); 345 done: 346 if (ret) 347 nouveau_abi16_chan_fini(abi16, chan); 348 return nouveau_abi16_put(abi16, ret); 349 } 350 351 352 int 353 nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS) 354 { 355 struct drm_nouveau_channel_free *req = data; 356 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); 357 struct nouveau_abi16_chan *chan; 358 int ret = -ENOENT; 359 360 if (unlikely(!abi16)) 361 return -ENOMEM; 362 363 list_for_each_entry(chan, &abi16->channels, head) { 364 if (chan->chan->handle == (NVDRM_CHAN | req->channel)) { 365 nouveau_abi16_chan_fini(abi16, chan); 366 return nouveau_abi16_put(abi16, 0); 367 } 368 } 369 370 return nouveau_abi16_put(abi16, ret); 371 } 372 373 int 374 nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS) 375 { 376 struct drm_nouveau_grobj_alloc *init = data; 377 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); 378 struct nouveau_drm *drm = nouveau_drm(dev); 379 struct nouveau_object *object; 380 int ret; 381 382 if (unlikely(!abi16)) 383 return -ENOMEM; 384 385 if (init->handle == ~0) 386 return nouveau_abi16_put(abi16, -EINVAL); 387 388 /* compatibility with userspace that assumes 506e for all chipsets */ 389 if (init->class == 0x506e) { 390 init->class = nouveau_abi16_swclass(drm); 391 if (init->class == 0x906e) 392 return nouveau_abi16_put(abi16, 0); 393 } 394 395 ret = nouveau_object_new(abi16->client, NVDRM_CHAN | init->channel, 396 init->handle, init->class, NULL, 0, &object); 397 return nouveau_abi16_put(abi16, ret); 398 } 399 400 int 401 nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) 402 { 403 struct drm_nouveau_notifierobj_alloc *info = data; 404 struct nouveau_drm *drm = nouveau_drm(dev); 405 struct nouveau_device *device = nv_device(drm->device); 406 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); 407 struct nouveau_abi16_chan *chan = NULL, *temp; 408 struct nouveau_abi16_ntfy *ntfy; 409 struct nouveau_object *object; 410 struct nv_dma_class args = {}; 411 int ret; 412 413 if (unlikely(!abi16)) 414 return -ENOMEM; 415 416 /* completely unnecessary for these chipsets... */ 417 if (unlikely(nv_device(abi16->device)->card_type >= NV_C0)) 418 return nouveau_abi16_put(abi16, -EINVAL); 419 420 list_for_each_entry(temp, &abi16->channels, head) { 421 if (temp->chan->handle == (NVDRM_CHAN | info->channel)) { 422 chan = temp; 423 break; 424 } 425 } 426 427 if (!chan) 428 return nouveau_abi16_put(abi16, -ENOENT); 429 430 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL); 431 if (!ntfy) 432 return nouveau_abi16_put(abi16, -ENOMEM); 433 434 list_add(&ntfy->head, &chan->notifiers); 435 ntfy->handle = info->handle; 436 437 ret = nouveau_mm_head(&chan->heap, 1, info->size, info->size, 1, 438 &ntfy->node); 439 if (ret) 440 goto done; 441 442 args.start = ntfy->node->offset; 443 args.limit = ntfy->node->offset + ntfy->node->length - 1; 444 if (device->card_type >= NV_50) { 445 args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_VM; 446 args.start += chan->ntfy_vma.offset; 447 args.limit += chan->ntfy_vma.offset; 448 } else 449 if (drm->agp.stat == ENABLED) { 450 args.flags = NV_DMA_TARGET_AGP | NV_DMA_ACCESS_RDWR; 451 args.start += drm->agp.base + chan->ntfy->bo.offset; 452 args.limit += drm->agp.base + chan->ntfy->bo.offset; 453 } else { 454 args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_RDWR; 455 args.start += chan->ntfy->bo.offset; 456 args.limit += chan->ntfy->bo.offset; 457 } 458 459 ret = nouveau_object_new(abi16->client, chan->chan->handle, 460 ntfy->handle, 0x003d, &args, 461 sizeof(args), &object); 462 if (ret) 463 goto done; 464 465 info->offset = ntfy->node->offset; 466 467 done: 468 if (ret) 469 nouveau_abi16_ntfy_fini(chan, ntfy); 470 return nouveau_abi16_put(abi16, ret); 471 } 472 473 int 474 nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS) 475 { 476 struct drm_nouveau_gpuobj_free *fini = data; 477 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); 478 struct nouveau_abi16_chan *chan = NULL, *temp; 479 struct nouveau_abi16_ntfy *ntfy; 480 int ret; 481 482 if (unlikely(!abi16)) 483 return -ENOMEM; 484 485 list_for_each_entry(temp, &abi16->channels, head) { 486 if (temp->chan->handle == (NVDRM_CHAN | fini->channel)) { 487 chan = temp; 488 break; 489 } 490 } 491 492 if (!chan) 493 return nouveau_abi16_put(abi16, -ENOENT); 494 495 /* synchronize with the user channel and destroy the gpu object */ 496 nouveau_channel_idle(chan->chan); 497 498 ret = nouveau_object_del(abi16->client, chan->chan->handle, fini->handle); 499 if (ret) 500 return nouveau_abi16_put(abi16, ret); 501 502 /* cleanup extra state if this object was a notifier */ 503 list_for_each_entry(ntfy, &chan->notifiers, head) { 504 if (ntfy->handle == fini->handle) { 505 nouveau_mm_free(&chan->heap, &ntfy->node); 506 list_del(&ntfy->head); 507 break; 508 } 509 } 510 511 return nouveau_abi16_put(abi16, 0); 512 } 513
Indexes created Wed Oct 29 20:09:47 GMT 2025