/* * Copyright 2012 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Ben Skeggs */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include #include #include #include #include #include #include "libdrm_lists.h" #include "nouveau_drm.h" #include "nouveau.h" #include "private.h" #ifdef DEBUG uint32_t nouveau_debug = 0; static void debug_init(char *args) { if (args) { int n = strtol(args, NULL, 0); if (n >= 0) nouveau_debug = n; } } #endif /* this is the old libdrm's version of nouveau_device_wrap(), the symbol * is kept here to prevent AIGLX from crashing if the DDX is linked against * the new libdrm, but the DRI driver against the old */ int nouveau_device_open_existing(struct nouveau_device **pdev, int close, int fd, drm_context_t ctx) { return -EACCES; } int nouveau_device_wrap(int fd, int close, struct nouveau_device **pdev) { struct nouveau_device_priv *nvdev = calloc(1, sizeof(*nvdev)); struct nouveau_device *dev = &nvdev->base; uint64_t chipset, vram, gart, bousage; drmVersionPtr ver; int ret; char *tmp; #ifdef DEBUG debug_init(getenv("NOUVEAU_LIBDRM_DEBUG")); #endif if (!nvdev) return -ENOMEM; nvdev->base.fd = fd; ver = drmGetVersion(fd); if (ver) dev->drm_version = (ver->version_major << 24) | (ver->version_minor << 8) | ver->version_patchlevel; drmFreeVersion(ver); if ( dev->drm_version != 0x00000010 && (dev->drm_version < 0x01000000 || dev->drm_version >= 0x02000000)) { nouveau_device_del(&dev); return -EINVAL; } ret = nouveau_getparam(dev, NOUVEAU_GETPARAM_CHIPSET_ID, &chipset); if (ret == 0) ret = nouveau_getparam(dev, NOUVEAU_GETPARAM_FB_SIZE, &vram); if (ret == 0) ret = nouveau_getparam(dev, NOUVEAU_GETPARAM_AGP_SIZE, &gart); if (ret) { nouveau_device_del(&dev); return ret; } ret = nouveau_getparam(dev, NOUVEAU_GETPARAM_HAS_BO_USAGE, &bousage); if (ret == 0) nvdev->have_bo_usage = (bousage != 0); nvdev->close = close; tmp = getenv("NOUVEAU_LIBDRM_VRAM_LIMIT_PERCENT"); if (tmp) nvdev->vram_limit_percent = atoi(tmp); else nvdev->vram_limit_percent = 80; tmp = getenv("NOUVEAU_LIBDRM_GART_LIMIT_PERCENT"); if (tmp) nvdev->gart_limit_percent = atoi(tmp); else nvdev->gart_limit_percent = 80; DRMINITLISTHEAD(&nvdev->bo_list); nvdev->base.object.oclass = NOUVEAU_DEVICE_CLASS; nvdev->base.lib_version = 0x01000000; nvdev->base.chipset = chipset; nvdev->base.vram_size = vram; nvdev->base.gart_size = gart; nvdev->base.vram_limit = (nvdev->base.vram_size * nvdev->vram_limit_percent) / 100; nvdev->base.gart_limit = (nvdev->base.gart_size * nvdev->gart_limit_percent) / 100; *pdev = &nvdev->base; return 0; } int nouveau_device_open(const char *busid, struct nouveau_device **pdev) { int ret = -ENODEV, fd = drmOpen("nouveau", busid); if (fd >= 0) { ret = nouveau_device_wrap(fd, 1, pdev); if (ret) drmClose(fd); } return ret; } void nouveau_device_del(struct nouveau_device **pdev) { struct nouveau_device_priv *nvdev = nouveau_device(*pdev); if (nvdev) { if (nvdev->close) drmClose(nvdev->base.fd); free(nvdev->client); free(nvdev); *pdev = NULL; } } int nouveau_getparam(struct nouveau_device *dev, uint64_t param, uint64_t *value) { struct drm_nouveau_getparam r = { param, 0 }; int fd = dev->fd, ret = drmCommandWriteRead(fd, DRM_NOUVEAU_GETPARAM, &r, sizeof(r)); *value = r.value; return ret; } int nouveau_setparam(struct nouveau_device *dev, uint64_t param, uint64_t value) { struct drm_nouveau_setparam r = { param, value }; return drmCommandWrite(dev->fd, DRM_NOUVEAU_SETPARAM, &r, sizeof(r)); } int nouveau_client_new(struct nouveau_device *dev, struct nouveau_client **pclient) { struct nouveau_device_priv *nvdev = nouveau_device(dev); struct nouveau_client_priv *pcli; int id = 0, i, ret = -ENOMEM; uint32_t *clients; for (i = 0; i < nvdev->nr_client; i++) { id = ffs(nvdev->client[i]) - 1; if (id >= 0) goto out; } clients = realloc(nvdev->client, sizeof(uint32_t) * (i + 1)); if (!clients) return ret; nvdev->client = clients; nvdev->client[i] = 0; nvdev->nr_client++; out: pcli = calloc(1, sizeof(*pcli)); if (pcli) { nvdev->client[i] |= (1 << id); pcli->base.device = dev; pcli->base.id = (i * 32) + id; ret = 0; } *pclient = &pcli->base; return ret; } void nouveau_client_del(struct nouveau_client **pclient) { struct nouveau_client_priv *pcli = nouveau_client(*pclient); struct nouveau_device_priv *nvdev; if (pcli) { int id = pcli->base.id; nvdev = nouveau_device(pcli->base.device); nvdev->client[id / 32] &= ~(1 << (id % 32)); free(pcli->kref); free(pcli); } } int nouveau_object_new(struct nouveau_object *parent, uint64_t handle, uint32_t oclass, void *data, uint32_t length, struct nouveau_object **pobj) { struct nouveau_device *dev; struct nouveau_object *obj; int ret = -EINVAL; if (length == 0) length = sizeof(struct nouveau_object *); obj = malloc(sizeof(*obj) + length); obj->parent = parent; obj->handle = handle; obj->oclass = oclass; obj->length = length; obj->data = obj + 1; if (data) memcpy(obj->data, data, length); *(struct nouveau_object **)obj->data = obj; dev = nouveau_object_find(obj, NOUVEAU_DEVICE_CLASS); switch (parent->oclass) { case NOUVEAU_DEVICE_CLASS: switch (obj->oclass) { case NOUVEAU_FIFO_CHANNEL_CLASS: { if (dev->chipset < 0xc0) ret = abi16_chan_nv04(obj); else if (dev->chipset < 0xe0) ret = abi16_chan_nvc0(obj); else ret = abi16_chan_nve0(obj); } break; default: break; } break; case NOUVEAU_FIFO_CHANNEL_CLASS: switch (obj->oclass) { case NOUVEAU_NOTIFIER_CLASS: ret = abi16_ntfy(obj); break; default: ret = abi16_engobj(obj); break; } default: break; } if (ret) { free(obj); return ret; } *pobj = obj; return 0; } void nouveau_object_del(struct nouveau_object **pobj) { struct nouveau_object *obj = *pobj; struct nouveau_device *dev; if (obj) { dev = nouveau_object_find(obj, NOUVEAU_DEVICE_CLASS); if (obj->oclass == NOUVEAU_FIFO_CHANNEL_CLASS) { struct drm_nouveau_channel_free req; req.channel = obj->handle; drmCommandWrite(dev->fd, DRM_NOUVEAU_CHANNEL_FREE, &req, sizeof(req)); } else { struct drm_nouveau_gpuobj_free req; req.channel = obj->parent->handle; req.handle = obj->handle; drmCommandWrite(dev->fd, DRM_NOUVEAU_GPUOBJ_FREE, &req, sizeof(req)); } } free(obj); *pobj = NULL; } void * nouveau_object_find(struct nouveau_object *obj, uint32_t pclass) { while (obj && obj->oclass != pclass) { obj = obj->parent; if (pclass == NOUVEAU_PARENT_CLASS) break; } return obj; } static void nouveau_bo_del(struct nouveau_bo *bo) { struct nouveau_bo_priv *nvbo = nouveau_bo(bo); struct drm_gem_close req = { bo->handle }; DRMLISTDEL(&nvbo->head); if (bo->map) munmap(bo->map, bo->size); drmIoctl(bo->device->fd, DRM_IOCTL_GEM_CLOSE, &req); free(nvbo); } int nouveau_bo_new(struct nouveau_device *dev, uint32_t flags, uint32_t align, uint64_t size, union nouveau_bo_config *config, struct nouveau_bo **pbo) { struct nouveau_device_priv *nvdev = nouveau_device(dev); struct nouveau_bo_priv *nvbo = calloc(1, sizeof(*nvbo)); struct nouveau_bo *bo = &nvbo->base; int ret; if (!nvbo) return -ENOMEM; atomic_set(&nvbo->refcnt, 1); bo->device = dev; bo->flags = flags; bo->size = size; ret = abi16_bo_init(bo, align, config); if (ret) { free(nvbo); return ret; } DRMLISTADD(&nvbo->head, &nvdev->bo_list); *pbo = bo; return 0; } int nouveau_bo_wrap(struct nouveau_device *dev, uint32_t handle, struct nouveau_bo **pbo) { struct nouveau_device_priv *nvdev = nouveau_device(dev); struct drm_nouveau_gem_info req = { .handle = handle }; struct nouveau_bo_priv *nvbo; int ret; DRMLISTFOREACHENTRY(nvbo, &nvdev->bo_list, head) { if (nvbo->base.handle == handle) { *pbo = NULL; nouveau_bo_ref(&nvbo->base, pbo); return 0; } } ret = drmCommandWriteRead(dev->fd, DRM_NOUVEAU_GEM_INFO, &req, sizeof(req)); if (ret) return ret; nvbo = calloc(1, sizeof(*nvbo)); if (nvbo) { atomic_set(&nvbo->refcnt, 1); nvbo->base.device = dev; abi16_bo_info(&nvbo->base, &req); DRMLISTADD(&nvbo->head, &nvdev->bo_list); *pbo = &nvbo->base; return 0; } return -ENOMEM; } int nouveau_bo_name_ref(struct nouveau_device *dev, uint32_t name, struct nouveau_bo **pbo) { struct nouveau_device_priv *nvdev = nouveau_device(dev); struct nouveau_bo_priv *nvbo; struct drm_gem_open req = { .name = name }; int ret; DRMLISTFOREACHENTRY(nvbo, &nvdev->bo_list, head) { if (nvbo->name == name) { *pbo = NULL; nouveau_bo_ref(&nvbo->base, pbo); return 0; } } ret = drmIoctl(dev->fd, DRM_IOCTL_GEM_OPEN, &req); if (ret == 0) { ret = nouveau_bo_wrap(dev, req.handle, pbo); nouveau_bo((*pbo))->name = name; } return ret; } int nouveau_bo_name_get(struct nouveau_bo *bo, uint32_t *name) { struct drm_gem_flink req = { .handle = bo->handle }; struct nouveau_bo_priv *nvbo = nouveau_bo(bo); if (!nvbo->name) { int ret = drmIoctl(bo->device->fd, DRM_IOCTL_GEM_FLINK, &req); if (ret) return ret; nvbo->name = req.name; } *name = nvbo->name; return 0; } void nouveau_bo_ref(struct nouveau_bo *bo, struct nouveau_bo **pref) { struct nouveau_bo *ref = *pref; if (bo) { atomic_inc(&nouveau_bo(bo)->refcnt); } if (ref) { if (atomic_dec_and_test(&nouveau_bo(ref)->refcnt)) nouveau_bo_del(ref); } *pref = bo; } int nouveau_bo_prime_handle_ref(struct nouveau_device *dev, int prime_fd, struct nouveau_bo **bo) { int ret; unsigned int handle; ret = drmPrimeFDToHandle(dev->fd, prime_fd, &handle); if (ret) { nouveau_bo_ref(NULL, bo); return ret; } ret = nouveau_bo_wrap(dev, handle, bo); if (ret) { nouveau_bo_ref(NULL, bo); return ret; } return 0; } int nouveau_bo_set_prime(struct nouveau_bo *bo, int *prime_fd) { struct nouveau_bo_priv *nvbo = nouveau_bo(bo); int ret; ret = drmPrimeHandleToFD(bo->device->fd, nvbo->base.handle, DRM_CLOEXEC, prime_fd); if (ret) return ret; return 0; } int nouveau_bo_wait(struct nouveau_bo *bo, uint32_t access, struct nouveau_client *client) { struct nouveau_bo_priv *nvbo = nouveau_bo(bo); struct drm_nouveau_gem_cpu_prep req; struct nouveau_pushbuf *push; int ret = 0; if (!(access & NOUVEAU_BO_RDWR)) return 0; push = cli_push_get(client, bo); if (push && push->channel) nouveau_pushbuf_kick(push, push->channel); if (!nvbo->name && !(nvbo->access & NOUVEAU_BO_WR) && !( access & NOUVEAU_BO_WR)) return 0; req.handle = bo->handle; req.flags = 0; if (access & NOUVEAU_BO_WR) req.flags |= NOUVEAU_GEM_CPU_PREP_WRITE; if (access & NOUVEAU_BO_NOBLOCK) req.flags |= NOUVEAU_GEM_CPU_PREP_NOWAIT; ret = drmCommandWrite(bo->device->fd, DRM_NOUVEAU_GEM_CPU_PREP, &req, sizeof(req)); if (ret == 0) nvbo->access = 0; return ret; } int nouveau_bo_map(struct nouveau_bo *bo, uint32_t access, struct nouveau_client *client) { struct nouveau_bo_priv *nvbo = nouveau_bo(bo); if (bo->map == NULL) { bo->map = mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED, bo->device->fd, nvbo->map_handle); if (bo->map == MAP_FAILED) { bo->map = NULL; return -errno; } } return nouveau_bo_wait(bo, access, client); } id='n292' href='#n292'>292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 
/* drm_drv.h -- Generic driver template -*- linux-c -*-
 * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com
 *
 * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors:
 *    Rickard E. (Rik) Faith <faith@valinux.com>
 *    Gareth Hughes <gareth@valinux.com>
 *
 */

/*
 * To use this template, you must at least define the following (samples
 * given for the MGA driver):
 *
 * #define DRIVER_AUTHOR	"VA Linux Systems, Inc."
 *
 * #define DRIVER_NAME		"mga"
 * #define DRIVER_DESC		"Matrox G200/G400"
 * #define DRIVER_DATE		"20001127"
 *
 * #define DRIVER_MAJOR		2
 * #define DRIVER_MINOR		0
 * #define DRIVER_PATCHLEVEL	2
 *
 * #define DRIVER_IOCTL_COUNT	DRM_ARRAY_SIZE( mga_ioctls )
 *
 * #define DRM(x)		mga_##x
 */

#ifndef __MUST_HAVE_AGP
#define __MUST_HAVE_AGP			0
#endif
#ifndef __HAVE_CTX_BITMAP
#define __HAVE_CTX_BITMAP		0
#endif
#ifndef __HAVE_IRQ
#define __HAVE_IRQ			0
#endif
#ifndef __HAVE_DMA_QUEUE
#define __HAVE_DMA_QUEUE		0
#endif
#ifndef __HAVE_DMA_SCHEDULE
#define __HAVE_DMA_SCHEDULE		0
#endif
#ifndef __HAVE_DMA_QUIESCENT
#define __HAVE_DMA_QUIESCENT		0
#endif
#ifndef __HAVE_RELEASE
#define __HAVE_RELEASE			0
#endif
#ifndef __HAVE_COUNTERS
#define __HAVE_COUNTERS			0
#endif
#ifndef __HAVE_SG
#define __HAVE_SG			0
#endif

#ifndef DRIVER_PREINIT
#define DRIVER_PREINIT(dev) do {} while (0)
#endif
#ifndef DRIVER_POSTINIT
#define DRIVER_POSTINIT(dev) do {} while (0)
#endif
#ifndef DRIVER_PRERELEASE
#define DRIVER_PRERELEASE()
#endif
#ifndef DRIVER_PRETAKEDOWN
#define DRIVER_PRETAKEDOWN(dev)
#endif
#ifndef DRIVER_POSTCLEANUP
#define DRIVER_POSTCLEANUP()
#endif
#ifndef DRIVER_PRESETUP
#define DRIVER_PRESETUP()
#endif
#ifndef DRIVER_POSTSETUP
#define DRIVER_POSTSETUP()
#endif
#ifndef DRIVER_IOCTLS
#define DRIVER_IOCTLS
#endif
#ifndef DRIVER_OPEN_HELPER
#define DRIVER_OPEN_HELPER( priv, dev )
#endif
#ifndef DRIVER_FOPS
#endif

#if 1 && DRM_DEBUG_CODE
int DRM(flags) = DRM_FLAG_DEBUG;
#else
int DRM(flags) = 0;
#endif

static int DRM(init)(device_t nbdev);
static void DRM(cleanup)(drm_device_t *dev);

#ifdef __FreeBSD__
#define DRIVER_SOFTC(unit) \
	((drm_device_t *) devclass_get_softc(DRM(devclass), unit))

#if __REALLY_HAVE_AGP
MODULE_DEPEND(DRIVER_NAME, agp, 1, 1, 1);
#endif
#endif /* __FreeBSD__ */

#ifdef __NetBSD__
#define DRIVER_SOFTC(unit) \
	((drm_device_t *) device_lookup(&DRM(cd), unit))
#endif /* __NetBSD__ */

static drm_ioctl_desc_t		  DRM(ioctls)[] = {
	[DRM_IOCTL_NR(DRM_IOCTL_VERSION)]       = { DRM(version),     0, 0 },
	[DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)]    = { DRM(getunique),   0, 0 },
	[DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)]     = { DRM(getmagic),    0, 0 },
#if __HAVE_IRQ
	[DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)]     = { DRM(irq_by_busid), 0, 1 },
#endif
	[DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)]       = { DRM(getmap),      0, 0 },
	[DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)]    = { DRM(getclient),   0, 0 },
	[DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)]     = { DRM(getstats),    0, 0 },
	[DRM_IOCTL_NR(DRM_IOCTL_SET_VERSION)]   = { DRM(setversion),  0, 1 },

	[DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)]    = { DRM(setunique),   1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_BLOCK)]         = { DRM(noop),        1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)]       = { DRM(noop),        1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)]    = { DRM(authmagic),   1, 1 },

	[DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)]       = { DRM(addmap),      1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)]        = { DRM(rmmap),       1, 0 },

#if __HAVE_CTX_BITMAP
	[DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { DRM(setsareactx), 1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { DRM(getsareactx), 1, 0 },
#endif

	[DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)]       = { DRM(addctx),      1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)]        = { DRM(rmctx),       1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)]       = { DRM(modctx),      1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)]       = { DRM(getctx),      1, 0 },
	[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)]    = { DRM(switchctx),   1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)]       = { DRM(newctx),      1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)]       = { DRM(resctx),      1, 0 },

	[DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)]      = { DRM(adddraw),     1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)]       = { DRM(rmdraw),      1, 1 },

	[DRM_IOCTL_NR(DRM_IOCTL_LOCK)]	        = { DRM(lock),        1, 0 },
	[DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)]        = { DRM(unlock),      1, 0 },
	[DRM_IOCTL_NR(DRM_IOCTL_FINISH)]        = { DRM(noop),        1, 0 },

#if __HAVE_DMA
	[DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)]      = { DRM(addbufs),     1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)]     = { DRM(markbufs),    1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)]     = { DRM(infobufs),    1, 0 },
	[DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)]      = { DRM(mapbufs),     1, 0 },
	[DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)]     = { DRM(freebufs),    1, 0 },
	/* The DRM_IOCTL_DMA ioctl should be defined by the driver. */
#endif
#if __HAVE_IRQ || __HAVE_DMA
	[DRM_IOCTL_NR(DRM_IOCTL_CONTROL)]       = { DRM(control),     1, 1 },
#endif

#if __REALLY_HAVE_AGP
	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)]   = { DRM(agp_acquire), 1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)]   = { DRM(agp_release), 1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)]    = { DRM(agp_enable),  1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)]      = { DRM(agp_info),    1, 0 },
	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)]     = { DRM(agp_alloc),   1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)]      = { DRM(agp_free),    1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)]      = { DRM(agp_bind),    1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)]    = { DRM(agp_unbind),  1, 1 },
#endif

#if __HAVE_SG
	[DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)]      = { DRM(sg_alloc),    1, 1 },
	[DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)]       = { DRM(sg_free),     1, 1 },
#endif

#if __HAVE_VBL_IRQ
	[DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)]   = { DRM(wait_vblank), 0, 0 },
#endif

	DRIVER_IOCTLS
};

#define DRIVER_IOCTL_COUNT	DRM_ARRAY_SIZE( DRM(ioctls) )

const char *DRM(find_description)(int vendor, int device);

#ifdef __FreeBSD__
static struct cdevsw DRM(cdevsw) = {
#if __FreeBSD_version >= 502103
	.d_version =	D_VERSION,
#endif
	.d_open =	DRM( open ),
	.d_close =	DRM( close ),
	.d_read =	DRM( read ),
	.d_ioctl =	DRM( ioctl ),
	.d_poll =	DRM( poll ),
	.d_mmap =	DRM( mmap ),
	.d_name =	DRIVER_NAME,
#if __FreeBSD_version >= 502103
	.d_flags =	D_TRACKCLOSE | D_NEEDGIANT,
#else
	.d_maj =	145,
	.d_flags =	D_TRACKCLOSE,
#endif
#if __FreeBSD_version < 500000
	.d_bmaj =	-1
#endif
};

#include "drm_pciids.h"

static drm_pci_id_list_t DRM(pciidlist)[] = {
	DRM(PCI_IDS)
};

static int DRM(probe)(device_t dev)
{
	const char *s = NULL;
	int pciid, vendor, device;

	/* XXX: Cope with agp bridge device? */
	if (!strcmp(device_get_name(dev), "drmsub"))
		pciid = pci_get_devid(device_get_parent(dev));
	else
		pciid = pci_get_devid(dev);

	vendor = (pciid & 0x0000ffff);
	device = (pciid & 0xffff0000) >> 16;
	
	s = DRM(find_description)(vendor, device);
	if (s != NULL) {
		device_set_desc(dev, s);
		return 0;
	}

	return ENXIO;
}

static int DRM(attach)(device_t dev)
{
	return DRM(init)(dev);
}

static int DRM(detach)(device_t dev)
{
	DRM(cleanup)(device_get_softc(dev));
	return 0;
}
static device_method_t DRM(methods)[] = {
	/* Device interface */
	DEVMETHOD(device_probe,		DRM(probe)),
	DEVMETHOD(device_attach,	DRM(attach)),
	DEVMETHOD(device_detach,	DRM(detach)),

	{ 0, 0 }
};

static driver_t DRM(driver) = {
	"drm",
	DRM(methods),
	sizeof(drm_device_t),
};

static devclass_t DRM(devclass);

#elif defined(__NetBSD__)

static struct cdevsw DRM(cdevsw) = {
	DRM(open),
	DRM(close),
	DRM(read),
	nowrite,
	DRM(ioctl),
	nostop,
	notty,
	DRM(poll),
	DRM(mmap),
	nokqfilter,
	D_TTY
};

int DRM(refcnt) = 0;
#if __NetBSD_Version__ >= 106080000
MOD_DEV( DRIVER_NAME, DRIVER_NAME, NULL, -1, &DRM(cdevsw), CDEV_MAJOR);
#else
MOD_DEV( DRIVER_NAME, LM_DT_CHAR, CDEV_MAJOR, &DRM(cdevsw) );
#endif

int DRM(lkmentry)(struct lkm_table *lkmtp, int cmd, int ver);
static int DRM(lkmhandle)(struct lkm_table *lkmtp, int cmd);

int DRM(modprobe)();
int DRM(probe)(struct pci_attach_args *pa);
void DRM(attach)(struct pci_attach_args *pa, dev_t kdev);

int DRM(lkmentry)(struct lkm_table *lkmtp, int cmd, int ver) {
	DISPATCH(lkmtp, cmd, ver, DRM(lkmhandle), DRM(lkmhandle), DRM(lkmhandle));
}

static int DRM(lkmhandle)(struct lkm_table *lkmtp, int cmd)
{
	int j, error = 0;
#if defined(__NetBSD__) && (__NetBSD_Version__ > 106080000)
	struct lkm_dev *args = lkmtp->private.lkm_dev;
#endif

	switch(cmd) {
	case LKM_E_LOAD:
		if (lkmexists(lkmtp))
			return EEXIST;

		if(DRM(modprobe)())
			return 0;

		return 1;

	case LKM_E_UNLOAD:
		if (DRM(refcnt) > 0)
			return (EBUSY);
		break;
	case LKM_E_STAT:
		break;

	default:
		error = EIO;
		break;
	}
	
	return error;
}

int DRM(modprobe)() {
	struct pci_attach_args pa;
	int error = 0;
	if((error = pci_find_device(&pa, DRM(probe))) != 0)
		DRM(attach)(&pa, 0);

	return error;
}

int DRM(probe)(struct pci_attach_args *pa)
{
	const char *desc;

	desc = DRM(find_description)(PCI_VENDOR(pa->pa_id),
	    PCI_PRODUCT(pa->pa_id));
	if (desc != NULL) {
		return 1;
	}

	return 0;
}

void DRM(attach)(struct pci_attach_args *pa, dev_t kdev)
{
	int i;
	drm_device_t *dev;

	config_makeroom(kdev, &DRM(cd));
	DRM(cd).cd_devs[(kdev)] = DRM(alloc)(sizeof(drm_device_t),
	    DRM_MEM_DRIVER);
	dev = DRIVER_SOFTC(kdev);

	memset(dev, 0, sizeof(drm_device_t));
	memcpy(&dev->pa, pa, sizeof(dev->pa));

	DRM_INFO("%s", DRM(find_description)(PCI_VENDOR(pa->pa_id), PCI_PRODUCT(pa->pa_id)));
	DRM(init)(dev);
}

int DRM(detach)(struct device *self, int flags)
{
	DRM(cleanup)((drm_device_t *)self);
	return 0;
}

int DRM(activate)(struct device *self, enum devact act)
{
	switch (act) {
	case DVACT_ACTIVATE:
		return (EOPNOTSUPP);
		break;

	case DVACT_DEACTIVATE:
		/* FIXME */
		break;
	}
	return (0);
}
#endif /* __NetBSD__ */

const char *DRM(find_description)(int vendor, int device) {
	int i = 0;
	
	for (i = 0; DRM(pciidlist)[i].vendor != 0; i++) {
		if ((DRM(pciidlist)[i].vendor == vendor) &&
		    (DRM(pciidlist)[i].device == device)) {
			return DRM(pciidlist)[i].name;
		}
	}
	return NULL;
}

/* Initialize the DRM on first open. */
static int DRM(setup)( drm_device_t *dev )
{
	int i;

	DRM_SPINLOCK_ASSERT(&dev->dev_lock);

	DRIVER_PRESETUP();
	dev->buf_use = 0;

#if __HAVE_DMA
	i = DRM(dma_setup)( dev );
	if ( i != 0 )
		return i;
#endif

	dev->counters  = 6 + __HAVE_COUNTERS;
	dev->types[0]  = _DRM_STAT_LOCK;
	dev->types[1]  = _DRM_STAT_OPENS;
	dev->types[2]  = _DRM_STAT_CLOSES;
	dev->types[3]  = _DRM_STAT_IOCTLS;
	dev->types[4]  = _DRM_STAT_LOCKS;
	dev->types[5]  = _DRM_STAT_UNLOCKS;
#ifdef __HAVE_COUNTER6
	dev->types[6]  = __HAVE_COUNTER6;
#endif
#ifdef __HAVE_COUNTER7
	dev->types[7]  = __HAVE_COUNTER7;
#endif
#ifdef __HAVE_COUNTER8
	dev->types[8]  = __HAVE_COUNTER8;
#endif
#ifdef __HAVE_COUNTER9
	dev->types[9]  = __HAVE_COUNTER9;
#endif
#ifdef __HAVE_COUNTER10
	dev->types[10] = __HAVE_COUNTER10;
#endif
#ifdef __HAVE_COUNTER11
	dev->types[11] = __HAVE_COUNTER11;
#endif
#ifdef __HAVE_COUNTER12
	dev->types[12] = __HAVE_COUNTER12;
#endif
#ifdef __HAVE_COUNTER13
	dev->types[13] = __HAVE_COUNTER13;
#endif
#ifdef __HAVE_COUNTER14
	dev->types[14] = __HAVE_COUNTER14;
#endif
#ifdef __HAVE_COUNTER15
	dev->types[14] = __HAVE_COUNTER14;
#endif

	for ( i = 0 ; i < DRM_ARRAY_SIZE(dev->counts) ; i++ )
		atomic_set( &dev->counts[i], 0 );

	for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
		dev->magiclist[i].head = NULL;
		dev->magiclist[i].tail = NULL;
	}

	dev->lock.hw_lock = NULL;
	dev->lock.lock_queue = 0;
	dev->irq_enabled = 0;
	dev->context_flag = 0;
	dev->last_context = 0;
	dev->if_version = 0;

#ifdef __FreeBSD__
	dev->buf_sigio = NULL;
#elif defined(__NetBSD__)
	dev->buf_pgid = 0;
#endif

	DRM_DEBUG( "\n" );

	DRIVER_POSTSETUP();
	return 0;
}

/* Free resources associated with the DRM on the last close. */
static int DRM(takedown)( drm_device_t *dev )
{
	drm_magic_entry_t *pt, *next;
	drm_local_map_t *map;
	drm_map_list_entry_t *list;
	int i;

	DRM_SPINLOCK_ASSERT(&dev->dev_lock);

	DRM_DEBUG( "\n" );

	DRIVER_PRETAKEDOWN(dev);
#if __HAVE_IRQ
	if (dev->irq_enabled)
		DRM(irq_uninstall)( dev );
#endif

	if ( dev->unique ) {
		DRM(free)( dev->unique, strlen( dev->unique ) + 1,
			   DRM_MEM_DRIVER );
		dev->unique = NULL;
		dev->unique_len = 0;
	}
				/* Clear pid list */
	for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
		for ( pt = dev->magiclist[i].head ; pt ; pt = next ) {
			next = pt->next;
			DRM(free)( pt, sizeof(*pt), DRM_MEM_MAGIC );
		}
		dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
	}

#if __REALLY_HAVE_AGP
				/* Clear AGP information */
	if ( dev->agp ) {
		drm_agp_mem_t *entry;
		drm_agp_mem_t *nexte;

				/* Remove AGP resources, but leave dev->agp
                                   intact until DRM(cleanup) is called. */
		for ( entry = dev->agp->memory ; entry ; entry = nexte ) {
			nexte = entry->next;
			if ( entry->bound ) DRM(unbind_agp)( entry->handle );
			DRM(free_agp)( entry->handle, entry->pages );
			DRM(free)( entry, sizeof(*entry), DRM_MEM_AGPLISTS );
		}
		dev->agp->memory = NULL;

		if ( dev->agp->acquired ) DRM(agp_do_release)();

		dev->agp->acquired = 0;
		dev->agp->enabled  = 0;
	}
#endif
#if __REALLY_HAVE_SG
	if (dev->sg != NULL) {
		DRM(sg_cleanup)(dev->sg);
		dev->sg = NULL;
	}
#endif

	if (dev->maplist != NULL) {
		while ((list=TAILQ_FIRST(dev->maplist))) {
			map = list->map;
			switch ( map->type ) {
			case _DRM_REGISTERS:
				DRM(ioremapfree)(map);
				/* FALLTHROUGH */
			case _DRM_FRAME_BUFFER:
#if __REALLY_HAVE_MTRR
				if (map->mtrr) {
					int __unused retcode;

					retcode = DRM(mtrr_del)(map->offset,
					    map->size, DRM_MTRR_WC);
					DRM_DEBUG("mtrr_del = %d", retcode);
				}
#endif
				break;
			case _DRM_SHM:
				DRM(free)(map->handle,
					       map->size,
					       DRM_MEM_SAREA);
				break;

			case _DRM_AGP:
			case _DRM_SCATTER_GATHER:
				/* Do nothing here, because this is all
				 * handled in the AGP/GART/SG functions.
				 */
				break;
			}
			TAILQ_REMOVE(dev->maplist, list, link);
			DRM(free)(list, sizeof(*list), DRM_MEM_MAPS);
			DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
		}
 	}

#if __HAVE_DMA
	DRM(dma_takedown)( dev );
#endif
	if ( dev->lock.hw_lock ) {
		dev->lock.hw_lock = NULL; /* SHM removed */
		dev->lock.filp = NULL;
		DRM_WAKEUP_INT((void *)&dev->lock.lock_queue);
	}

	return 0;
}

/* linux: drm_init is called via init_module at module load time, or via
 *        linux/init/main.c (this is not currently supported).
 * bsd:   drm_init is called via the attach function per device.
 */
static int DRM(init)( device_t nbdev )
{
	int unit;
#ifdef __FreeBSD__
	drm_device_t *dev;
#elif defined(__NetBSD__)
	drm_device_t *dev = nbdev;
#endif
#if __HAVE_CTX_BITMAP
	int retcode;
#endif
	DRM_DEBUG( "\n" );
	DRIVER_PREINIT(dev);

#ifdef __FreeBSD__
	unit = device_get_unit(nbdev);
	dev = device_get_softc(nbdev);
	memset( (void *)dev, 0, sizeof(*dev) );

	if (!strcmp(device_get_name(nbdev), "drmsub"))
		dev->device = device_get_parent(nbdev);
	else
		dev->device = nbdev;

	dev->devnode = make_dev( &DRM(cdevsw),
			unit,
			DRM_DEV_UID,
			DRM_DEV_GID,
			DRM_DEV_MODE,
			"dri/card%d", unit );
#if __FreeBSD_version >= 500000
	mtx_init(&dev->dev_lock, "drm device", NULL, MTX_DEF);
#endif
#elif defined(__NetBSD__)
	unit = minor(dev->device.dv_unit);
#endif

	dev->irq = pci_get_irq(dev->device);
	/* XXX Fix domain number (alpha hoses) */
	dev->pci_domain = 0;
	dev->pci_bus = pci_get_bus(dev->device);
	dev->pci_slot = pci_get_slot(dev->device);
	dev->pci_func = pci_get_function(dev->device);

	dev->maplist = DRM(calloc)(1, sizeof(*dev->maplist), DRM_MEM_MAPS);
	if (dev->maplist == NULL) {
		retcode = ENOMEM;
		goto error;
	}
	TAILQ_INIT(dev->maplist);

	dev->name = DRIVER_NAME;
	DRM(mem_init)();
	DRM(sysctl_init)(dev);
	TAILQ_INIT(&dev->files);

#if __REALLY_HAVE_AGP
	dev->agp = DRM(agp_init)();
#if __MUST_HAVE_AGP
	if ( dev->agp == NULL ) {
		DRM_ERROR( "Cannot initialize the agpgart module.\n" );
		retcode = DRM_ERR(ENOMEM);
		goto error;
	}
#endif /* __MUST_HAVE_AGP */
#if __REALLY_HAVE_MTRR
	if (dev->agp) {
		if (DRM(mtrr_add)(dev->agp->info.ai_aperture_base,
		    dev->agp->info.ai_aperture_size, DRM_MTRR_WC) == 0)
			dev->agp->mtrr = 1;
	}
#endif /* __REALLY_HAVE_MTRR */
#endif /* __REALLY_HAVE_AGP */

#if __HAVE_CTX_BITMAP
	retcode = DRM(ctxbitmap_init)( dev );
	if (retcode != 0) {
		DRM_ERROR( "Cannot allocate memory for context bitmap.\n" );
		goto error;
	}
#endif
	
	DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d\n",
	  	DRIVER_NAME,
	  	DRIVER_MAJOR,
	  	DRIVER_MINOR,
	  	DRIVER_PATCHLEVEL,
	  	DRIVER_DATE,
	  	unit );

	DRIVER_POSTINIT(dev);

	return 0;

error:
	DRM(sysctl_cleanup)(dev);
	DRM_LOCK();
	DRM(takedown)(dev);
	DRM_UNLOCK();
#ifdef __FreeBSD__
	destroy_dev(dev->devnode);
#if __FreeBSD_version >= 500000
	mtx_destroy(&dev->dev_lock);
#endif
#endif
	DRM(free)(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
	return retcode;
}

/* linux: drm_cleanup is called via cleanup_module at module unload time.
 * bsd:   drm_cleanup is called per device at module unload time.
 * FIXME: NetBSD
 */
static void DRM(cleanup)(drm_device_t *dev)
{

	DRM_DEBUG( "\n" );

	DRM(sysctl_cleanup)( dev );
#ifdef __FreeBSD__
	destroy_dev(dev->devnode);
#endif
#if __HAVE_CTX_BITMAP
	DRM(ctxbitmap_cleanup)( dev );
#endif

#if __REALLY_HAVE_AGP && __REALLY_HAVE_MTRR
	if (dev->agp && dev->agp->mtrr) {
		int __unused retcode;

		retcode = DRM(mtrr_del)(dev->agp->info.ai_aperture_base,
		    dev->agp->info.ai_aperture_size, DRM_MTRR_WC);
		DRM_DEBUG("mtrr_del = %d", retcode);
	}
#endif

	DRM_LOCK();
	DRM(takedown)( dev );
	DRM_UNLOCK();

#if __REALLY_HAVE_AGP
	if ( dev->agp ) {
		DRM(agp_uninit)();
		DRM(free)( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS );
		dev->agp = NULL;
	}
#endif
	DRIVER_POSTCLEANUP();
	DRM(mem_uninit)();
#if defined(__FreeBSD__) &&  __FreeBSD_version >= 500000
	mtx_destroy(&dev->dev_lock);
#endif
	DRM(free)(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
}


int DRM(version)( DRM_IOCTL_ARGS )
{
	drm_version_t version;
	int len;

	DRM_COPY_FROM_USER_IOCTL( version, (drm_version_t *)data, sizeof(version) );

#define DRM_COPY( name, value )						\
	len = strlen( value );						\
	if ( len > name##_len ) len = name##_len;			\
	name##_len = strlen( value );					\
	if ( len && name ) {						\
		if ( DRM_COPY_TO_USER( name, value, len ) )		\
			return DRM_ERR(EFAULT);				\
	}

	version.version_major = DRIVER_MAJOR;
	version.version_minor = DRIVER_MINOR;
	version.version_patchlevel = DRIVER_PATCHLEVEL;

	DRM_COPY( version.name, DRIVER_NAME );
	DRM_COPY( version.date, DRIVER_DATE );
	DRM_COPY( version.desc, DRIVER_DESC );

	DRM_COPY_TO_USER_IOCTL( (drm_version_t *)data, version, sizeof(version) );

	return 0;
}

int DRM(open)(dev_t kdev, int flags, int fmt, DRM_STRUCTPROC *p)
{
	drm_device_t *dev = NULL;
	int retcode = 0;

	dev = DRIVER_SOFTC(minor(kdev));

	DRM_DEBUG( "open_count = %d\n", dev->open_count );

	retcode = DRM(open_helper)(kdev, flags, fmt, p, dev);

	if ( !retcode ) {
		atomic_inc( &dev->counts[_DRM_STAT_OPENS] );
		DRM_LOCK();
#ifdef __FreeBSD__
		device_busy(dev->device);
#endif
		if ( !dev->open_count++ )
			retcode = DRM(setup)( dev );
		DRM_UNLOCK();
	}

	return retcode;
}

int DRM(close)(dev_t kdev, int flags, int fmt, DRM_STRUCTPROC *p)
{
	drm_file_t *priv;
	DRM_DEVICE;
	int retcode = 0;
	DRMFILE filp = (void *)(uintptr_t)(DRM_CURRENTPID);
	
	DRM_DEBUG( "open_count = %d\n", dev->open_count );

	DRM_LOCK();

	priv = DRM(find_file_by_proc)(dev, p);
	if (!priv) {
		DRM_UNLOCK();
		DRM_ERROR("can't find authenticator\n");
		return EINVAL;
	}

	DRIVER_PRERELEASE();

	/* ========================================================
	 * Begin inline drm_release
	 */

#ifdef __FreeBSD__
	DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
		   DRM_CURRENTPID, (long)dev->device, dev->open_count );
#elif defined(__NetBSD__)
	DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
		   DRM_CURRENTPID, (long)&dev->device, dev->open_count);
#endif

	if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)
	    && dev->lock.filp == filp) {
		DRM_DEBUG("Process %d dead, freeing lock for context %d\n",
			  DRM_CURRENTPID,
			  _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
#if __HAVE_RELEASE
		DRIVER_RELEASE();
#endif
		DRM(lock_free)(dev,
			      &dev->lock.hw_lock->lock,
			      _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));