diff options
Diffstat (limited to 'nx-X11/extras/drm/bsd-core/drm_vm.c')
| -rw-r--r-- | nx-X11/extras/drm/bsd-core/drm_vm.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/nx-X11/extras/drm/bsd-core/drm_vm.c b/nx-X11/extras/drm/bsd-core/drm_vm.c deleted file mode 100644 index 05ac7b154..000000000 --- a/nx-X11/extras/drm/bsd-core/drm_vm.c +++ /dev/null @@ -1,126 +0,0 @@ -/*- - * Copyright 2003 Eric Anholt - * 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 - * ERIC ANHOLT 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. - */ - -#include "drmP.h" -#include "drm.h" - -#if defined(__FreeBSD__) && __FreeBSD_version >= 500102 -int drm_mmap(struct cdev *kdev, vm_offset_t offset, vm_paddr_t *paddr, - int prot) -#elif defined(__FreeBSD__) -int drm_mmap(dev_t kdev, vm_offset_t offset, int prot) -#elif defined(__NetBSD__) || defined(__OpenBSD__) -paddr_t drm_mmap(dev_t kdev, off_t offset, int prot) -#endif -{ - DRM_DEVICE; - drm_local_map_t *map; - drm_file_t *priv; - drm_map_type_t type; - - DRM_LOCK(); - priv = drm_find_file_by_proc(dev, DRM_CURPROC); - DRM_UNLOCK(); - if (priv == NULL) { - DRM_ERROR("can't find authenticator\n"); - return EINVAL; - } - - if (!priv->authenticated) - return DRM_ERR(EACCES); - - if (dev->dma && offset >= 0 && offset < ptoa(dev->dma->page_count)) { - drm_device_dma_t *dma = dev->dma; - - DRM_SPINLOCK(&dev->dma_lock); - - if (dma->pagelist != NULL) { - unsigned long page = offset >> PAGE_SHIFT; - unsigned long phys = dma->pagelist[page]; - -#if defined(__FreeBSD__) && __FreeBSD_version >= 500102 - *paddr = phys; - DRM_SPINUNLOCK(&dev->dma_lock); - return 0; -#else - return atop(phys); -#endif - } else { - DRM_SPINUNLOCK(&dev->dma_lock); - return -1; - } - DRM_SPINUNLOCK(&dev->dma_lock); - } - - /* A sequential search of a linked list is - fine here because: 1) there will only be - about 5-10 entries in the list and, 2) a - DRI client only has to do this mapping - once, so it doesn't have to be optimized - for performance, even if the list was a - bit longer. */ - DRM_LOCK(); - TAILQ_FOREACH(map, &dev->maplist, link) { - if (offset >= map->offset && offset < map->offset + map->size) - break; - } - - if (map == NULL) { - DRM_UNLOCK(); - DRM_DEBUG("can't find map\n"); - return -1; - } - if (((map->flags&_DRM_RESTRICTED) && !DRM_SUSER(DRM_CURPROC))) { - DRM_UNLOCK(); - DRM_DEBUG("restricted map\n"); - return -1; - } - type = map->type; - DRM_UNLOCK(); - - switch (type) { - case _DRM_FRAME_BUFFER: - case _DRM_REGISTERS: - case _DRM_AGP: -#if defined(__FreeBSD__) && __FreeBSD_version >= 500102 - *paddr = offset; - return 0; -#else - return atop(offset); -#endif - case _DRM_SCATTER_GATHER: - case _DRM_SHM: -#if defined(__FreeBSD__) && __FreeBSD_version >= 500102 - *paddr = vtophys(offset); - return 0; -#else - return atop(vtophys(offset)); -#endif - default: - return -1; /* This should never happen. */ - } - DRM_DEBUG("bailing out\n"); - - return -1; -} - |