1 /* drm_drv.h -- Generic driver template -*- linux-c -*-
2 * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com
5 * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
6 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice (including the next
17 * paragraph) shall be included in all copies or substantial portions of the
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26 * OTHER DEALINGS IN THE SOFTWARE.
29 * Rickard E. (Rik) Faith <faith@valinux.com>
30 * Gareth Hughes <gareth@valinux.com>
35 #include "dev/drm/drmP.h"
36 #include "dev/drm/drm.h"
38 int drm_debug_flag = 0;
40 static int drm_init(device_t nbdev);
41 static void drm_cleanup(drm_device_t *dev);
44 #define DRIVER_SOFTC(unit) \
45 ((drm_device_t *)devclass_get_softc(drm_devclass, unit))
47 MODULE_VERSION(drm, 1);
48 MODULE_DEPEND(drm, agp, 1, 1, 1);
49 MODULE_DEPEND(drm, pci, 1, 1, 1);
50 #if __FreeBSD_version > 502127
51 MODULE_DEPEND(drm, mem, 1, 1, 1);
53 #endif /* __FreeBSD__ */
55 #if defined(__NetBSD__) || defined(__OpenBSD__)
56 #define DRIVER_SOFTC(unit) \
57 ((drm_device_t *)device_lookup(&drm_cd, unit))
58 #endif /* __NetBSD__ || __OpenBSD__ */
60 static drm_ioctl_desc_t drm_ioctls[256] = {
61 [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { drm_version, 0, 0 },
62 [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 },
63 [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 },
64 [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_by_busid, 0, 1 },
65 [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = { drm_getmap, 0, 0 },
66 [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = { drm_getclient, 0, 0 },
67 [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = { drm_getstats, 0, 0 },
68 [DRM_IOCTL_NR(DRM_IOCTL_SET_VERSION)] = { drm_setversion, 0, 1 },
70 [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 },
71 [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_noop, 1, 1 },
72 [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_noop, 1, 1 },
73 [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 },
75 [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 },
76 [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = { drm_rmmap, 1, 0 },
78 [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { drm_setsareactx, 1, 1 },
79 [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { drm_getsareactx, 1, 0 },
81 [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { drm_addctx, 1, 1 },
82 [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { drm_rmctx, 1, 1 },
83 [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { drm_modctx, 1, 1 },
84 [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { drm_getctx, 1, 0 },
85 [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { drm_switchctx, 1, 1 },
86 [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { drm_newctx, 1, 1 },
87 [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { drm_resctx, 1, 0 },
89 [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 },
90 [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 },
92 [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { drm_lock, 1, 0 },
93 [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { drm_unlock, 1, 0 },
94 [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_noop, 1, 0 },
96 [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { drm_addbufs, 1, 1 },
97 [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, 1, 1 },
98 [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, 1, 0 },
99 [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { drm_mapbufs, 1, 0 },
100 [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, 1, 0 },
101 [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { drm_dma, 1, 0 },
103 [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { drm_control, 1, 1 },
105 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 },
106 [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 },
107 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 },
108 [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 },
109 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 },
110 [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 },
111 [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 },
112 [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 },
114 [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { drm_sg_alloc, 1, 1 },
115 [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { drm_sg_free, 1, 1 },
117 [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = { drm_wait_vblank, 0, 0 },
120 const char *drm_find_description(int vendor, int device, drm_pci_id_list_t *idlist);
123 static struct cdevsw drm_cdevsw = {
124 #if __FreeBSD_version >= 502103
125 .d_version = D_VERSION,
128 .d_close = drm_close,
130 .d_ioctl = drm_ioctl,
134 #if __FreeBSD_version >= 502103
135 .d_flags = D_TRACKCLOSE | D_NEEDGIANT,
138 .d_flags = D_TRACKCLOSE,
140 #if __FreeBSD_version < 500000
145 int drm_probe(device_t dev, drm_pci_id_list_t *idlist)
147 const char *s = NULL;
150 vendor = pci_get_vendor(dev);
151 device = pci_get_device(dev);
153 s = drm_find_description(vendor, device, idlist);
155 device_set_desc(dev, s);
162 int drm_attach(device_t dev, drm_pci_id_list_t *idlist)
164 return drm_init(dev);
167 int drm_detach(device_t dev)
169 drm_cleanup(device_get_softc(dev));
174 #define DRM_DEV_NAME "drm"
177 devclass_t drm_devclass;
179 #elif defined(__NetBSD__) || defined(__OpenBSD__)
181 static struct cdevsw drm_cdevsw = {
197 #if defined(__NetBSD__) && __NetBSD_Version__ >= 106080000
198 MOD_DEV("drm", DRIVER_NAME, NULL, -1, &drm_cdevsw, CDEV_MAJOR);
200 MOD_DEV("drm", LM_DT_CHAR, CDEV_MAJOR, &drm_cdevsw);
203 int drm_lkmentry(struct lkm_table *lkmtp, int cmd, int ver);
204 static int drm_lkmhandle(struct lkm_table *lkmtp, int cmd);
207 int drm_probe(struct pci_attach_args *pa);
208 void drm_attach(struct pci_attach_args *pa, dev_t kdev);
210 int drm_lkmentry(struct lkm_table *lkmtp, int cmd, int ver) {
211 DISPATCH(lkmtp, cmd, ver, drm_lkmhandle, drm_lkmhandle, drm_lkmhandle);
214 static int drm_lkmhandle(struct lkm_table *lkmtp, int cmd)
217 #if defined(__NetBSD__) && (__NetBSD_Version__ > 106080000)
218 struct lkm_dev *args = lkmtp->private.lkm_dev;
223 if (lkmexists(lkmtp))
247 struct pci_attach_args pa;
250 error = pci_find_device(&pa, drm_probe, idlist);
257 int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t idlist)
261 desc = drm_find_description(PCI_VENDOR(pa->pa_id),
262 PCI_PRODUCT(pa->pa_id), idlist);
270 void drm_attach(struct pci_attach_args *pa, dev_t kdev,
271 drm_pci_id_list_t *idlist)
276 config_makeroom(kdev, &drm_cd);
277 drm_cd.cd_devs[(kdev)] = malloc(sizeof(drm_device_t), M_DRM, M_WAITOK);
278 dev = DRIVER_SOFTC(kdev);
280 memset(dev, 0, sizeof(drm_device_t));
281 memcpy(&dev->pa, pa, sizeof(dev->pa));
283 DRM_INFO("%s", drm_find_description(PCI_VENDOR(pa->pa_id), PCI_PRODUCT(pa->pa_id), idlist));
287 int drm_detach(struct device *self, int flags)
289 drm_cleanup((drm_device_t *)self);
293 int drm_activate(struct device *self, enum devact act)
300 case DVACT_DEACTIVATE:
306 #endif /* __NetBSD__ || __OpenBSD__ */
308 const char *drm_find_description(int vendor, int device, drm_pci_id_list_t *idlist) {
311 for (i = 0; idlist[i].vendor != 0; i++) {
312 if ((idlist[i].vendor == vendor) &&
313 (idlist[i].device == device)) {
314 return idlist[i].name;
320 /* Initialize the DRM on first open. */
321 static int drm_setup(drm_device_t *dev)
325 DRM_SPINLOCK_ASSERT(&dev->dev_lock);
333 i = drm_dma_setup(dev);
339 dev->types[0] = _DRM_STAT_LOCK;
340 dev->types[1] = _DRM_STAT_OPENS;
341 dev->types[2] = _DRM_STAT_CLOSES;
342 dev->types[3] = _DRM_STAT_IOCTLS;
343 dev->types[4] = _DRM_STAT_LOCKS;
344 dev->types[5] = _DRM_STAT_UNLOCKS;
346 for ( i = 0 ; i < DRM_ARRAY_SIZE(dev->counts) ; i++ )
347 atomic_set( &dev->counts[i], 0 );
349 for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
350 dev->magiclist[i].head = NULL;
351 dev->magiclist[i].tail = NULL;
354 dev->lock.hw_lock = NULL;
355 dev->lock.lock_queue = 0;
356 dev->irq_enabled = 0;
357 dev->context_flag = 0;
358 dev->last_context = 0;
362 dev->buf_sigio = NULL;
363 #elif defined(__NetBSD__) || defined(__OpenBSD__)
375 /* Free resources associated with the DRM on the last close. */
376 static int drm_takedown(drm_device_t *dev)
378 drm_magic_entry_t *pt, *next;
379 drm_local_map_t *map, *mapsave;
382 DRM_SPINLOCK_ASSERT(&dev->dev_lock);
386 if (dev->pretakedown != NULL)
387 dev->pretakedown(dev);
389 if (dev->irq_enabled)
390 drm_irq_uninstall(dev);
393 free(dev->unique, M_DRM);
398 for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
399 for ( pt = dev->magiclist[i].head ; pt ; pt = next ) {
403 dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
406 /* Clear AGP information */
408 drm_agp_mem_t *entry;
409 drm_agp_mem_t *nexte;
411 /* Remove AGP resources, but leave dev->agp
412 intact until drm_cleanup is called. */
413 for ( entry = dev->agp->memory ; entry ; entry = nexte ) {
416 drm_agp_unbind_memory(entry->handle);
417 drm_agp_free_memory(entry->handle);
420 dev->agp->memory = NULL;
422 if (dev->agp->acquired)
423 drm_agp_do_release();
425 dev->agp->acquired = 0;
426 dev->agp->enabled = 0;
428 if (dev->sg != NULL) {
429 drm_sg_cleanup(dev->sg);
433 /* Clean up maps that weren't set up by the driver. */
434 TAILQ_FOREACH_SAFE(map, &dev->maplist, link, mapsave) {
435 if (!map->kernel_owned)
436 drm_remove_map(dev, map);
439 drm_dma_takedown(dev);
440 if ( dev->lock.hw_lock ) {
441 dev->lock.hw_lock = NULL; /* SHM removed */
442 dev->lock.filp = NULL;
443 DRM_WAKEUP_INT((void *)&dev->lock.lock_queue);
449 /* linux: drm_init is called via init_module at module load time, or via
450 * linux/init/main.c (this is not currently supported).
451 * bsd: drm_init is called via the attach function per device.
453 static int drm_init(device_t nbdev)
461 unit = device_get_unit(nbdev);
462 dev = device_get_softc(nbdev);
464 if (!strcmp(device_get_name(nbdev), "drmsub"))
465 dev->device = device_get_parent(nbdev);
469 dev->devnode = make_dev(&drm_cdevsw,
475 #if __FreeBSD_version >= 500000
476 mtx_init(&dev->dev_lock, "drm device", NULL, MTX_DEF);
478 #elif defined(__NetBSD__) || defined(__OpenBSD__)
480 unit = minor(dev->device.dv_unit);
483 dev->irq = pci_get_irq(dev->device);
484 /* XXX Fix domain number (alpha hoses) */
486 dev->pci_bus = pci_get_bus(dev->device);
487 dev->pci_slot = pci_get_slot(dev->device);
488 dev->pci_func = pci_get_function(dev->device);
490 TAILQ_INIT(&dev->maplist);
494 drm_sysctl_init(dev);
496 TAILQ_INIT(&dev->files);
498 if (dev->preinit != NULL) {
499 retcode = dev->preinit(dev, 0);
505 if (drm_device_is_agp(dev))
506 dev->agp = drm_agp_init();
507 if (dev->require_agp && dev->agp == NULL) {
508 DRM_ERROR("Card isn't AGP, or couldn't initialize "
510 retcode = DRM_ERR(ENOMEM);
513 if (dev->agp != NULL) {
514 if (drm_mtrr_add(dev->agp->info.ai_aperture_base,
515 dev->agp->info.ai_aperture_size, DRM_MTRR_WC) == 0)
520 retcode = drm_ctxbitmap_init(dev);
522 DRM_ERROR("Cannot allocate memory for context bitmap.\n");
526 DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d\n",
530 dev->driver_patchlevel,
534 if (dev->postinit != NULL)
535 dev->postinit(dev, 0);
541 drm_sysctl_cleanup(dev);
547 destroy_dev(dev->devnode);
548 #if __FreeBSD_version >= 500000
549 mtx_destroy(&dev->dev_lock);
555 /* linux: drm_cleanup is called via cleanup_module at module unload time.
556 * bsd: drm_cleanup is called per device at module unload time.
559 static void drm_cleanup(drm_device_t *dev)
561 drm_local_map_t *map;
566 drm_sysctl_cleanup(dev);
567 destroy_dev(dev->devnode);
570 drm_ctxbitmap_cleanup(dev);
572 if (dev->agp && dev->agp->mtrr) {
573 int __unused retcode;
575 retcode = drm_mtrr_del(dev->agp->info.ai_aperture_base,
576 dev->agp->info.ai_aperture_size, DRM_MTRR_WC);
577 DRM_DEBUG("mtrr_del = %d", retcode);
584 /* Clean up any maps left over that had been allocated by the driver. */
585 while ((map = TAILQ_FIRST(&dev->maplist)) != NULL) {
586 drm_remove_map(dev, map);
591 free(dev->agp, M_DRM);
595 if (dev->postcleanup != NULL)
596 dev->postcleanup(dev);
599 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
600 mtx_destroy(&dev->dev_lock);
605 int drm_version(DRM_IOCTL_ARGS)
608 drm_version_t version;
611 DRM_COPY_FROM_USER_IOCTL( version, (drm_version_t *)data, sizeof(version) );
613 #define DRM_COPY( name, value ) \
614 len = strlen( value ); \
615 if ( len > name##_len ) len = name##_len; \
616 name##_len = strlen( value ); \
617 if ( len && name ) { \
618 if ( DRM_COPY_TO_USER( name, value, len ) ) \
619 return DRM_ERR(EFAULT); \
622 version.version_major = dev->driver_major;
623 version.version_minor = dev->driver_minor;
624 version.version_patchlevel = dev->driver_patchlevel;
626 DRM_COPY(version.name, dev->driver_name);
627 DRM_COPY(version.date, dev->driver_date);
628 DRM_COPY(version.desc, dev->driver_desc);
630 DRM_COPY_TO_USER_IOCTL( (drm_version_t *)data, version, sizeof(version) );
635 int drm_open(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p)
637 drm_device_t *dev = NULL;
640 dev = DRIVER_SOFTC(minor(kdev));
642 DRM_DEBUG( "open_count = %d\n", dev->open_count );
644 retcode = drm_open_helper(kdev, flags, fmt, p, dev);
647 atomic_inc( &dev->counts[_DRM_STAT_OPENS] );
650 device_busy(dev->device);
652 if ( !dev->open_count++ )
653 retcode = drm_setup(dev);
660 int drm_close(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p)
665 DRMFILE filp = (void *)(uintptr_t)(DRM_CURRENTPID);
667 DRM_DEBUG( "open_count = %d\n", dev->open_count );
671 priv = drm_find_file_by_proc(dev, p);
674 DRM_ERROR("can't find authenticator\n");
678 if (dev->prerelease != NULL)
679 dev->prerelease(dev, filp);
681 /* ========================================================
682 * Begin inline drm_release
686 DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
687 DRM_CURRENTPID, (long)dev->device, dev->open_count );
688 #elif defined(__NetBSD__) || defined(__OpenBSD__)
689 DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
690 DRM_CURRENTPID, (long)&dev->device, dev->open_count);
693 if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)
694 && dev->lock.filp == filp) {
695 DRM_DEBUG("Process %d dead, freeing lock for context %d\n",
697 _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
698 if (dev->release != NULL)
699 dev->release(dev, filp);
701 drm_lock_free(dev, &dev->lock.hw_lock->lock,
702 _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
704 /* FIXME: may require heavy-handed reset of
705 hardware at this point, possibly
706 processed via a callback to the X
708 } else if (dev->release != NULL && dev->lock.hw_lock != NULL) {
709 /* The lock is required to reclaim buffers */
711 if ( !dev->lock.hw_lock ) {
712 /* Device has been unregistered */
713 retcode = DRM_ERR(EINTR);
716 if (drm_lock_take(&dev->lock.hw_lock->lock,
717 DRM_KERNEL_CONTEXT)) {
718 dev->lock.filp = filp;
719 dev->lock.lock_time = jiffies;
720 atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
721 break; /* Got lock */
724 #if defined(__FreeBSD__) && __FreeBSD_version > 500000
725 retcode = msleep((void *)&dev->lock.lock_queue,
726 &dev->dev_lock, PZERO | PCATCH, "drmlk2", 0);
728 retcode = tsleep((void *)&dev->lock.lock_queue,
729 PZERO | PCATCH, "drmlk2", 0);
735 dev->release(dev, filp);
736 drm_lock_free(dev, &dev->lock.hw_lock->lock,
742 drm_reclaim_buffers(dev, (void *)(uintptr_t)priv->pid);
744 #if defined (__FreeBSD__) && (__FreeBSD_version >= 500000)
745 funsetown(&dev->buf_sigio);
746 #elif defined(__FreeBSD__)
747 funsetown(dev->buf_sigio);
748 #elif defined(__NetBSD__) || defined(__OpenBSD__)
750 #endif /* __NetBSD__ || __OpenBSD__ */
752 if (--priv->refs == 0) {
753 if (dev->free_filp_priv != NULL)
754 dev->free_filp_priv(dev, priv);
755 TAILQ_REMOVE(&dev->files, priv, link);
759 /* ========================================================
760 * End inline drm_release
763 atomic_inc( &dev->counts[_DRM_STAT_CLOSES] );
765 device_unbusy(dev->device);
767 if (--dev->open_count == 0) {
768 retcode = drm_takedown(dev);
776 /* drm_ioctl is called whenever a process performs an ioctl on /dev/drm.
778 int drm_ioctl(struct cdev *kdev, u_long cmd, caddr_t data, int flags,
783 drm_ioctl_desc_t *ioctl;
784 int (*func)(DRM_IOCTL_ARGS);
785 int nr = DRM_IOCTL_NR(cmd);
786 int is_driver_ioctl = 0;
788 DRMFILE filp = (DRMFILE)(uintptr_t)DRM_CURRENTPID;
791 priv = drm_find_file_by_proc(dev, p);
794 DRM_ERROR("can't find authenticator\n");
798 atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] );
802 DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n",
803 DRM_CURRENTPID, cmd, nr, (long)dev->device, priv->authenticated );
804 #elif defined(__NetBSD__) || defined(__OpenBSD__)
805 DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n",
806 DRM_CURRENTPID, cmd, nr, (long)&dev->device, priv->authenticated );
816 return fsetown(*(int *)data, &dev->buf_sigio);
819 #if (__FreeBSD_version >= 500000)
820 *(int *) data = fgetown(&dev->buf_sigio);
822 *(int *) data = fgetown(dev->buf_sigio);
825 #endif /* __FreeBSD__ */
826 #if defined(__NetBSD__) || defined(__OpenBSD__)
828 dev->buf_pgid = *(int *)data;
832 *(int *)data = dev->buf_pgid;
834 #endif /* __NetBSD__ */
837 if (IOCGROUP(cmd) != DRM_IOCTL_BASE) {
838 DRM_DEBUG("Bad ioctl group 0x%x\n", (int)IOCGROUP(cmd));
842 ioctl = &drm_ioctls[nr];
843 /* It's not a core DRM ioctl, try driver-specific. */
844 if (ioctl->func == NULL && nr >= DRM_COMMAND_BASE) {
845 /* The array entries begin at DRM_COMMAND_BASE ioctl nr */
846 nr -= DRM_COMMAND_BASE;
847 if (nr > dev->max_driver_ioctl) {
848 DRM_DEBUG("Bad driver ioctl number, 0x%x (of 0x%x)\n",
849 nr, dev->max_driver_ioctl);
852 ioctl = &dev->driver_ioctls[nr];
858 DRM_DEBUG( "no function\n" );
861 if ((ioctl->root_only && DRM_SUSER(p)) || (ioctl->auth_needed &&
862 !priv->authenticated))
867 retcode = func(kdev, cmd, data, flags, p, filp);
872 DRM_DEBUG(" returning %d\n", retcode);
874 return DRM_ERR(retcode);
880 #include <sys/sysproto.h>
882 MODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1);
884 #define LINUX_IOCTL_DRM_MIN 0x6400
885 #define LINUX_IOCTL_DRM_MAX 0x64ff
887 static linux_ioctl_function_t drm_linux_ioctl;
888 static struct linux_ioctl_handler drm_handler = {drm_linux_ioctl,
889 LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX};
891 SYSINIT(drm_register, SI_SUB_KLD, SI_ORDER_MIDDLE,
892 linux_ioctl_register_handler, &drm_handler);
893 SYSUNINIT(drm_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE,
894 linux_ioctl_unregister_handler, &drm_handler);
896 /* The bits for in/out are switched on Linux */
897 #define LINUX_IOC_IN IOC_OUT
898 #define LINUX_IOC_OUT IOC_IN
901 drm_linux_ioctl(DRM_STRUCTPROC *p, struct linux_ioctl_args* args)
906 args->cmd &= ~(LINUX_IOC_IN | LINUX_IOC_OUT);
907 if (cmd & LINUX_IOC_IN)
909 if (cmd & LINUX_IOC_OUT)
910 args->cmd |= IOC_OUT;
912 error = ioctl(p, (struct ioctl_args *)args);
916 #endif /* DRM_LINUX */