diff options
Diffstat (limited to 'bsd/drm_fops.h')
| -rw-r--r-- | bsd/drm_fops.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/bsd/drm_fops.h b/bsd/drm_fops.h deleted file mode 100644 index 2c447992..00000000 --- a/bsd/drm_fops.h +++ /dev/null @@ -1,117 +0,0 @@ -/* drm_fops.h -- File operations for DRM -*- linux-c -*- - * Created: Mon Jan 4 08:58:31 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> - * Daryll Strauss <daryll@valinux.com> - * Gareth Hughes <gareth@valinux.com> - * - */ - -#include "drmP.h" - -drm_file_t *DRM(find_file_by_proc)(drm_device_t *dev, DRM_STRUCTPROC *p) -{ -#if __FreeBSD_version >= 500021 - uid_t uid = p->td_ucred->cr_svuid; - pid_t pid = p->td_proc->p_pid; -#else - uid_t uid = p->p_cred->p_svuid; - pid_t pid = p->p_pid; -#endif - drm_file_t *priv; - - DRM_SPINLOCK_ASSERT(&dev->dev_lock); - - TAILQ_FOREACH(priv, &dev->files, link) - if (priv->pid == pid && priv->uid == uid) - return priv; - return NULL; -} - -/* DRM(open_helper) is called whenever a process opens /dev/drm. */ -int DRM(open_helper)(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p, - drm_device_t *dev) -{ - int m = minor(kdev); - drm_file_t *priv; - - if (flags & O_EXCL) - return EBUSY; /* No exclusive opens */ - dev->flags = flags; - - DRM_DEBUG("pid = %d, minor = %d\n", DRM_CURRENTPID, m); - - DRM_LOCK(); - priv = DRM(find_file_by_proc)(dev, p); - if (priv) { - priv->refs++; - } else { - priv = (drm_file_t *) DRM(alloc)(sizeof(*priv), DRM_MEM_FILES); - if (priv == NULL) { - DRM_UNLOCK(); - return DRM_ERR(ENOMEM); - } - bzero(priv, sizeof(*priv)); -#if __FreeBSD_version >= 500000 - priv->uid = p->td_ucred->cr_svuid; - priv->pid = p->td_proc->p_pid; -#else - priv->uid = p->p_cred->p_svuid; - priv->pid = p->p_pid; -#endif - - priv->refs = 1; - priv->minor = m; - priv->devXX = dev; - priv->ioctl_count = 0; - priv->authenticated = !DRM_SUSER(p); - - if (dev->fn_tbl.open_helper) - dev->fn_tbl.open_helper(dev, priv); - - TAILQ_INSERT_TAIL(&dev->files, priv, link); - } - DRM_UNLOCK(); -#ifdef __FreeBSD__ - kdev->si_drv1 = dev; -#endif - return 0; -} - - -/* The DRM(read) and DRM(poll) are stubs to prevent spurious errors - * on older X Servers (4.3.0 and earlier) */ - -int DRM(read)(struct cdev *kdev, struct uio *uio, int ioflag) -{ - return 0; -} - -int DRM(poll)(struct cdev *kdev, int events, DRM_STRUCTPROC *p) -{ - return 0; -} |