diff options
Diffstat (limited to 'nx-X11/extras/drm/bsd-core/drm_drv.c')
| -rw-r--r-- | nx-X11/extras/drm/bsd-core/drm_drv.c | 932 |
1 files changed, 0 insertions, 932 deletions
diff --git a/nx-X11/extras/drm/bsd-core/drm_drv.c b/nx-X11/extras/drm/bsd-core/drm_drv.c deleted file mode 100644 index 6766195ba..000000000 --- a/nx-X11/extras/drm/bsd-core/drm_drv.c +++ /dev/null @@ -1,932 +0,0 @@ -/* 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> - * - */ - -#include "drmP.h" -#include "drm.h" -#include "drm_sarea.h" - -int drm_debug_flag = 0; - -static int drm_load(drm_device_t *dev); -static void drm_unload(drm_device_t *dev); -static drm_pci_id_list_t *drm_find_description(int vendor, int device, - drm_pci_id_list_t *idlist); - -#ifdef __FreeBSD__ -#define DRIVER_SOFTC(unit) \ - ((drm_device_t *)devclass_get_softc(drm_devclass, unit)) - -MODULE_VERSION(drm, 1); -MODULE_DEPEND(drm, agp, 1, 1, 1); -MODULE_DEPEND(drm, pci, 1, 1, 1); -#if __FreeBSD_version > 502127 -MODULE_DEPEND(drm, mem, 1, 1, 1); -#endif -#endif /* __FreeBSD__ */ - -#if defined(__NetBSD__) || defined(__OpenBSD__) -#define DRIVER_SOFTC(unit) \ - ((drm_device_t *)device_lookup(&drm_cd, unit)) -#endif /* __NetBSD__ || __OpenBSD__ */ - -static drm_ioctl_desc_t drm_ioctls[256] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { drm_version, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY}, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = { drm_getmap, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = { drm_getclient, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = { drm_getstats, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SET_VERSION)] = { drm_setversion, DRM_MASTER|DRM_ROOT_ONLY }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = { drm_rmmap_ioctl, DRM_AUTH }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { drm_getsareactx, DRM_AUTH }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { drm_addctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { drm_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { drm_getctx, DRM_AUTH }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { drm_switchctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { drm_newctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { drm_resctx, DRM_AUTH }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { drm_lock, DRM_AUTH }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { drm_unlock, DRM_AUTH }, - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_noop, DRM_AUTH }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { drm_addbufs_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, DRM_AUTH|DRM_MASTER }, - [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, DRM_AUTH }, - [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { drm_mapbufs, DRM_AUTH }, - [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, DRM_AUTH }, - [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { drm_dma, DRM_AUTH }, - - [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { drm_control, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info_ioctl, DRM_AUTH }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - - [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { drm_sg_alloc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, - - [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = { drm_wait_vblank, 0 }, -}; - -#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 = "drm", -#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 -}; - -int drm_probe(device_t dev, drm_pci_id_list_t *idlist) -{ - drm_pci_id_list_t *id_entry; - int vendor, device; - - vendor = pci_get_vendor(dev); - device = pci_get_device(dev); - - id_entry = drm_find_description(vendor, device, idlist); - if (id_entry != NULL) { - device_set_desc(dev, id_entry->name); - return 0; - } - - return ENXIO; -} - -int drm_attach(device_t nbdev, drm_pci_id_list_t *idlist) -{ - drm_device_t *dev; - drm_pci_id_list_t *id_entry; - int unit; - - unit = device_get_unit(nbdev); - dev = device_get_softc(nbdev); - - 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 - - id_entry = drm_find_description(pci_get_vendor(nbdev), - pci_get_device(nbdev), idlist); - dev->id_entry = id_entry; - - return drm_load(dev); -} - -int drm_detach(device_t dev) -{ - drm_unload(device_get_softc(dev)); - return 0; -} - -#ifndef DRM_DEV_NAME -#define DRM_DEV_NAME "drm" -#endif - -devclass_t drm_devclass; - -#elif defined(__NetBSD__) || defined(__OpenBSD__) - -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 defined(__NetBSD__) && __NetBSD_Version__ >= 106080000 -MOD_DEV("drm", DRIVER_NAME, NULL, -1, &drm_cdevsw, CDEV_MAJOR); -#else -MOD_DEV("drm", 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(void); -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 error = 0; - - 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(void) -{ - struct pci_attach_args pa; - int error; - - error = pci_find_device(&pa, drm_probe, idlist); - if (error != 0) - drm_attach(&pa, 0); - - return error; -} - -int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t idlist) -{ - const char *desc; - drm_pci_id_list_t *id_entry; - - id_entry = drm_find_description(PCI_VENDOR(pa->pa_id), - PCI_PRODUCT(pa->pa_id), idlist); - if (id_entry != NULL) { - return 1; - } - - return 0; -} - -void drm_attach(struct pci_attach_args *pa, dev_t kdev, - drm_pci_id_list_t *idlist) -{ - int i; - drm_device_t *dev; - drm_pci_id_list_t *id_entry; - - config_makeroom(kdev, &drm_cd); - drm_cd.cd_devs[(kdev)] = malloc(sizeof(drm_device_t), M_DRM, M_WAITOK); - dev = DRIVER_SOFTC(kdev); - - memset(dev, 0, sizeof(drm_device_t)); - memcpy(&dev->pa, pa, sizeof(dev->pa)); - - dev->irq = pa->pa_intrline; - dev->pci_domain = 0; - dev->pci_bus = pa->pa_bus; - dev->pci_slot = pa->pa_device; - dev->pci_func = pa->pa_function; - dev->dma_tag = pa->pa_dmat; - - id_entry = drm_find_description(PCI_VENDOR(pa->pa_id), - PCI_PRODUCT(pa->pa_id), idlist); - dev->driver.pci_id_entry = id_entry; - - DRM_INFO("%s", id_entry->name); - drm_load(dev); -} - -int drm_detach(struct device *self, int flags) -{ - drm_unload((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__ || __OpenBSD__ */ - -drm_pci_id_list_t *drm_find_description(int vendor, int device, - drm_pci_id_list_t *idlist) -{ - int i = 0; - - for (i = 0; idlist[i].vendor != 0; i++) { - if ((idlist[i].vendor == vendor) && - (idlist[i].device == device)) { - return &idlist[i]; - } - } - return NULL; -} - -static int drm_firstopen(drm_device_t *dev) -{ - drm_local_map_t *map; - int i; - - DRM_SPINLOCK_ASSERT(&dev->dev_lock); - - /* prebuild the SAREA */ - i = drm_addmap(dev, 0, SAREA_MAX, _DRM_SHM, - _DRM_CONTAINS_LOCK, &map); - if (i != 0) - return i; - - if (dev->driver.firstopen) - dev->driver.firstopen(dev); - - dev->buf_use = 0; - - if (dev->driver.use_dma) { - i = drm_dma_setup(dev); - if (i != 0) - return i; - } - - dev->counters = 6; - 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; - - 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.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__) || defined(__OpenBSD__) - dev->buf_pgid = 0; -#endif - - DRM_DEBUG( "\n" ); - - return 0; -} - -static int drm_lastclose(drm_device_t *dev) -{ - drm_magic_entry_t *pt, *next; - drm_local_map_t *map, *mapsave; - int i; - - DRM_SPINLOCK_ASSERT(&dev->dev_lock); - - DRM_DEBUG( "\n" ); - - if (dev->driver.lastclose != NULL) - dev->driver.lastclose(dev); - - if (dev->irq_enabled) - drm_irq_uninstall(dev); - - if ( dev->unique ) { - free(dev->unique, M_DRM); - 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; - free(pt, M_DRM); - } - dev->magiclist[i].head = dev->magiclist[i].tail = NULL; - } - - /* 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_unload is called. - */ - for ( entry = dev->agp->memory ; entry ; entry = nexte ) { - nexte = entry->next; - if ( entry->bound ) - drm_agp_unbind_memory(entry->handle); - drm_agp_free_memory(entry->handle); - free(entry, M_DRM); - } - dev->agp->memory = NULL; - - if (dev->agp->acquired) - drm_agp_release(dev); - - dev->agp->acquired = 0; - dev->agp->enabled = 0; - } - if (dev->sg != NULL) { - drm_sg_cleanup(dev->sg); - dev->sg = NULL; - } - - TAILQ_FOREACH_SAFE(map, &dev->maplist, link, mapsave) { - drm_rmmap(dev, map); - } - - - drm_dma_takedown(dev); - 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; -} - -static int drm_load(drm_device_t *dev) -{ - int retcode; - - DRM_DEBUG( "\n" ); - - 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); - - TAILQ_INIT(&dev->maplist); - - drm_mem_init(); -#ifdef __FreeBSD__ - drm_sysctl_init(dev); -#endif - TAILQ_INIT(&dev->files); - - if (dev->driver.load != NULL) { - retcode = dev->driver.load(dev, dev->id_entry->driver_private); - if (retcode != 0) - goto error; - } - - if (dev->driver.use_agp) { - if (drm_device_is_agp(dev)) - dev->agp = drm_agp_init(); - if (dev->driver.require_agp && dev->agp == NULL) { - DRM_ERROR("Card isn't AGP, or couldn't initialize " - "AGP.\n"); - retcode = DRM_ERR(ENOMEM); - goto error; - } - if (dev->agp != NULL) { - if (drm_mtrr_add(dev->agp->info.ai_aperture_base, - dev->agp->info.ai_aperture_size, DRM_MTRR_WC) == 0) - dev->agp->mtrr = 1; - } - } - - retcode = drm_ctxbitmap_init(dev); - if (retcode != 0) { - DRM_ERROR("Cannot allocate memory for context bitmap.\n"); - goto error; - } - - DRM_INFO("Initialized %s %d.%d.%d %s\n", - dev->driver.name, - dev->driver.major, - dev->driver.minor, - dev->driver.patchlevel, - dev->driver.date); - - return 0; - -error: -#ifdef __FreeBSD__ - drm_sysctl_cleanup(dev); -#endif - DRM_LOCK(); - drm_lastclose(dev); - DRM_UNLOCK(); -#ifdef __FreeBSD__ - destroy_dev(dev->devnode); -#if __FreeBSD_version >= 500000 - mtx_destroy(&dev->dev_lock); -#endif -#endif - return retcode; -} - -static void drm_unload(drm_device_t *dev) -{ - int i; - - DRM_DEBUG( "\n" ); - -#ifdef __FreeBSD__ - drm_sysctl_cleanup(dev); - destroy_dev(dev->devnode); -#endif - - drm_ctxbitmap_cleanup(dev); - - 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); - } - - DRM_LOCK(); - drm_lastclose(dev); - DRM_UNLOCK(); - - /* Clean up PCI resources allocated by drm_bufs.c. We're not really - * worried about resource consumption while the DRM is inactive (between - * lastclose and firstopen or unload) because these aren't actually - * taking up KVA, just keeping the PCI resource allocated. - */ - for (i = 0; i < DRM_MAX_PCI_RESOURCE; i++) { - if (dev->pcir[i] == NULL) - continue; - bus_release_resource(dev->device, SYS_RES_MEMORY, - dev->pcirid[i], dev->pcir[i]); - dev->pcir[i] = NULL; - } - - if ( dev->agp ) { - free(dev->agp, M_DRM); - dev->agp = NULL; - } - - if (dev->driver.unload != NULL) - dev->driver.unload(dev); - - drm_mem_uninit(); -#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 - mtx_destroy(&dev->dev_lock); -#endif -} - - -int drm_version(DRM_IOCTL_ARGS) -{ - DRM_DEVICE; - 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 = dev->driver.major; - version.version_minor = dev->driver.minor; - version.version_patchlevel = dev->driver.patchlevel; - - DRM_COPY(version.name, dev->driver.name); - DRM_COPY(version.date, dev->driver.date); - DRM_COPY(version.desc, dev->driver.desc); - - DRM_COPY_TO_USER_IOCTL( (drm_version_t *)data, version, sizeof(version) ); - - return 0; -} - -int drm_open(struct cdev *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_firstopen(dev); - DRM_UNLOCK(); - } - - return retcode; -} - -int drm_close(struct cdev *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; - } - - if (dev->driver.preclose != NULL) - dev->driver.preclose(dev, filp); - - /* ======================================================== - * 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__) || defined(__OpenBSD__) - 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 (dev->driver.reclaim_buffers_locked != NULL) - dev->driver.reclaim_buffers_locked(dev, filp); - - drm_lock_free(dev, &dev->lock.hw_lock->lock, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - - /* FIXME: may require heavy-handed reset of - hardware at this point, possibly - processed via a callback to the X - server. */ - } else if (dev->driver.reclaim_buffers_locked != NULL && - dev->lock.hw_lock != NULL) { - /* The lock is required to reclaim buffers */ - for (;;) { - if ( !dev->lock.hw_lock ) { - /* Device has been unregistered */ - retcode = DRM_ERR(EINTR); - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - dev->lock.filp = filp; - dev->lock.lock_time = jiffies; - atomic_inc( &dev->counts[_DRM_STAT_LOCKS] ); - break; /* Got lock */ - } - /* Contention */ -#if defined(__FreeBSD__) && __FreeBSD_version > 500000 - retcode = msleep((void *)&dev->lock.lock_queue, - &dev->dev_lock, PZERO | PCATCH, "drmlk2", 0); -#else - retcode = tsleep((void *)&dev->lock.lock_queue, - PZERO | PCATCH, "drmlk2", 0); -#endif - if (retcode) - break; - } - if (retcode == 0) { - dev->driver.reclaim_buffers_locked(dev, filp); - drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT); - } - } - - if (dev->driver.use_dma && !dev->driver.reclaim_buffers_locked) - drm_reclaim_buffers(dev, filp); - -#if defined (__FreeBSD__) && (__FreeBSD_version >= 500000) - funsetown(&dev->buf_sigio); -#elif defined(__FreeBSD__) - funsetown(dev->buf_sigio); -#elif defined(__NetBSD__) || defined(__OpenBSD__) - dev->buf_pgid = 0; -#endif /* __NetBSD__ || __OpenBSD__ */ - - if (--priv->refs == 0) { - if (dev->driver.postclose != NULL) - dev->driver.postclose(dev, priv); - TAILQ_REMOVE(&dev->files, priv, link); - free(priv, M_DRM); - } - - /* ======================================================== - * End inline drm_release - */ - - atomic_inc( &dev->counts[_DRM_STAT_CLOSES] ); -#ifdef __FreeBSD__ - device_unbusy(dev->device); -#endif - if (--dev->open_count == 0) { - retcode = drm_lastclose(dev); - } - - DRM_UNLOCK(); - - return retcode; -} - -/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm. - */ -int drm_ioctl(struct cdev *kdev, u_long cmd, caddr_t data, int flags, - DRM_STRUCTPROC *p) -{ - DRM_DEVICE; - int retcode = 0; - drm_ioctl_desc_t *ioctl; - int (*func)(DRM_IOCTL_ARGS); - int nr = DRM_IOCTL_NR(cmd); - int is_driver_ioctl = 0; - drm_file_t *priv; - DRMFILE filp = (DRMFILE)(uintptr_t)DRM_CURRENTPID; - - DRM_LOCK(); - priv = drm_find_file_by_proc(dev, p); - DRM_UNLOCK(); - if (priv == NULL) { - DRM_ERROR("can't find authenticator\n"); - return EINVAL; - } - - atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] ); - ++priv->ioctl_count; - -#ifdef __FreeBSD__ - DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n", - DRM_CURRENTPID, cmd, nr, (long)dev->device, priv->authenticated ); -#elif defined(__NetBSD__) || defined(__OpenBSD__) - DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n", - DRM_CURRENTPID, cmd, nr, (long)&dev->device, priv->authenticated ); -#endif - - switch (cmd) { - case FIONBIO: - case FIOASYNC: - return 0; - -#ifdef __FreeBSD__ - case FIOSETOWN: - return fsetown(*(int *)data, &dev->buf_sigio); - - case FIOGETOWN: -#if (__FreeBSD_version >= 500000) - *(int *) data = fgetown(&dev->buf_sigio); -#else - *(int *) data = fgetown(dev->buf_sigio); -#endif - return 0; -#endif /* __FreeBSD__ */ -#if defined(__NetBSD__) || defined(__OpenBSD__) - case TIOCSPGRP: - dev->buf_pgid = *(int *)data; - return 0; - - case TIOCGPGRP: - *(int *)data = dev->buf_pgid; - return 0; -#endif /* __NetBSD__ */ - } - - if (IOCGROUP(cmd) != DRM_IOCTL_BASE) { - DRM_DEBUG("Bad ioctl group 0x%x\n", (int)IOCGROUP(cmd)); - return EINVAL; - } - - ioctl = &drm_ioctls[nr]; - /* It's not a core DRM ioctl, try driver-specific. */ - if (ioctl->func == NULL && nr >= DRM_COMMAND_BASE) { - /* The array entries begin at DRM_COMMAND_BASE ioctl nr */ - nr -= DRM_COMMAND_BASE; - if (nr > dev->driver.max_ioctl) { - DRM_DEBUG("Bad driver ioctl number, 0x%x (of 0x%x)\n", - nr, dev->driver.max_ioctl); - return EINVAL; - } - ioctl = &dev->driver.ioctls[nr]; - is_driver_ioctl = 1; - } - func = ioctl->func; - - if (func == NULL) { - DRM_DEBUG( "no function\n" ); - return EINVAL; - } - /* ioctl->master check should be against something in the filp set up - * for the first opener, but it doesn't matter yet. - */ - if (((ioctl->flags & DRM_ROOT_ONLY) && !DRM_SUSER(p)) || - ((ioctl->flags & DRM_AUTH) && !priv->authenticated) || - ((ioctl->flags & DRM_MASTER) && !priv->master)) - return EACCES; - - if (is_driver_ioctl) - DRM_LOCK(); - retcode = func(kdev, cmd, data, flags, p, filp); - if (is_driver_ioctl) - DRM_UNLOCK(); - - if (retcode != 0) - DRM_DEBUG(" returning %d\n", retcode); - - return DRM_ERR(retcode); -} - - -#if DRM_LINUX - -#include <sys/sysproto.h> - -MODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1); - -#define LINUX_IOCTL_DRM_MIN 0x6400 -#define LINUX_IOCTL_DRM_MAX 0x64ff - -static linux_ioctl_function_t drm_linux_ioctl; -static struct linux_ioctl_handler drm_handler = {drm_linux_ioctl, - LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX}; - -SYSINIT(drm_register, SI_SUB_KLD, SI_ORDER_MIDDLE, - linux_ioctl_register_handler, &drm_handler); -SYSUNINIT(drm_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE, - linux_ioctl_unregister_handler, &drm_handler); - -/* The bits for in/out are switched on Linux */ -#define LINUX_IOC_IN IOC_OUT -#define LINUX_IOC_OUT IOC_IN - -static int -drm_linux_ioctl(DRM_STRUCTPROC *p, struct linux_ioctl_args* args) -{ - int error; - int cmd = args->cmd; - - args->cmd &= ~(LINUX_IOC_IN | LINUX_IOC_OUT); - if (cmd & LINUX_IOC_IN) - args->cmd |= IOC_IN; - if (cmd & LINUX_IOC_OUT) - args->cmd |= IOC_OUT; - - error = ioctl(p, (struct ioctl_args *)args); - - return error; -} -#endif /* DRM_LINUX */ |