summaryrefslogtreecommitdiff
path: root/bsd/drm_auth.h
diff options
context:
space:
mode:
authorEric Anholt <anholt@freebsd.org>2005-08-16 17:20:18 +0000
committerEric Anholt <anholt@freebsd.org>2005-08-16 17:20:18 +0000
commit91c9c847299a1f27c92f8663902fcee72a65f9e4 (patch)
tree83096daf7e42ac8576cbb148131dbfad21dfe72f /bsd/drm_auth.h
parent7af0186f4ccef285c2158770781ebfc3a26ddd66 (diff)
Remove the long-stale BSD non-core bits.
Prodded by: CVS breakage resulting in complaints about this directory.
Diffstat (limited to 'bsd/drm_auth.h')
-rw-r--r--bsd/drm_auth.h164
1 files changed, 0 insertions, 164 deletions
diff --git a/bsd/drm_auth.h b/bsd/drm_auth.h
deleted file mode 100644
index 537718c1..00000000
--- a/bsd/drm_auth.h
+++ /dev/null
@@ -1,164 +0,0 @@
-/* drm_auth.h -- IOCTLs for authentication -*- linux-c -*-
- * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com
- *
- * Copyright 1999 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"
-
-static int DRM(hash_magic)(drm_magic_t magic)
-{
- return magic & (DRM_HASH_SIZE-1);
-}
-
-static drm_file_t *DRM(find_file)(drm_device_t *dev, drm_magic_t magic)
-{
- drm_file_t *retval = NULL;
- drm_magic_entry_t *pt;
- int hash = DRM(hash_magic)(magic);
-
- DRM_LOCK();
- for (pt = dev->magiclist[hash].head; pt; pt = pt->next) {
- if (pt->magic == magic) {
- retval = pt->priv;
- break;
- }
- }
- DRM_UNLOCK();
- return retval;
-}
-
-static int DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic)
-{
- int hash;
- drm_magic_entry_t *entry;
-
- DRM_DEBUG("%d\n", magic);
-
- hash = DRM(hash_magic)(magic);
- entry = (drm_magic_entry_t*) DRM(alloc)(sizeof(*entry), DRM_MEM_MAGIC);
- if (!entry) return DRM_ERR(ENOMEM);
- memset(entry, 0, sizeof(*entry));
- entry->magic = magic;
- entry->priv = priv;
- entry->next = NULL;
-
- DRM_LOCK();
- if (dev->magiclist[hash].tail) {
- dev->magiclist[hash].tail->next = entry;
- dev->magiclist[hash].tail = entry;
- } else {
- dev->magiclist[hash].head = entry;
- dev->magiclist[hash].tail = entry;
- }
- DRM_UNLOCK();
-
- return 0;
-}
-
-static int DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic)
-{
- drm_magic_entry_t *prev = NULL;
- drm_magic_entry_t *pt;
- int hash;
-
- DRM_DEBUG("%d\n", magic);
- hash = DRM(hash_magic)(magic);
-
- DRM_LOCK();
- for (pt = dev->magiclist[hash].head; pt; prev = pt, pt = pt->next) {
- if (pt->magic == magic) {
- if (dev->magiclist[hash].head == pt) {
- dev->magiclist[hash].head = pt->next;
- }
- if (dev->magiclist[hash].tail == pt) {
- dev->magiclist[hash].tail = prev;
- }
- if (prev) {
- prev->next = pt->next;
- }
- DRM_UNLOCK();
- return 0;
- }
- }
- DRM_UNLOCK();
-
- DRM(free)(pt, sizeof(*pt), DRM_MEM_MAGIC);
- return DRM_ERR(EINVAL);
-}
-
-int DRM(getmagic)(DRM_IOCTL_ARGS)
-{
- static drm_magic_t sequence = 0;
- drm_auth_t auth;
- drm_file_t *priv;
- DRM_DEVICE;
-
- DRM_GET_PRIV_WITH_RETURN(priv, filp);
-
- /* Find unique magic */
- if (priv->magic) {
- auth.magic = priv->magic;
- } else {
- do {
- int old = sequence;
-
- auth.magic = old+1;
-
- if (!atomic_cmpset_int(&sequence, old, auth.magic))
- continue;
- } while (DRM(find_file)(dev, auth.magic));
- priv->magic = auth.magic;
- DRM(add_magic)(dev, priv, auth.magic);
- }
-
- DRM_DEBUG("%u\n", auth.magic);
-
- DRM_COPY_TO_USER_IOCTL((drm_auth_t *)data, auth, sizeof(auth));
-
- return 0;
-}
-
-int DRM(authmagic)(DRM_IOCTL_ARGS)
-{
- drm_auth_t auth;
- drm_file_t *file;
- DRM_DEVICE;
-
- DRM_COPY_FROM_USER_IOCTL(auth, (drm_auth_t *)data, sizeof(auth));
-
- DRM_DEBUG("%u\n", auth.magic);
-
- if ((file = DRM(find_file)(dev, auth.magic))) {
- file->authenticated = 1;
- DRM(remove_magic)(dev, auth.magic);
- return 0;
- }
- return DRM_ERR(EINVAL);
-}