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Diffstat (limited to 'nx-X11/extras/drm/linux-core/drm_ioctl.c')
-rw-r--r--nx-X11/extras/drm/linux-core/drm_ioctl.c368
1 files changed, 0 insertions, 368 deletions
diff --git a/nx-X11/extras/drm/linux-core/drm_ioctl.c b/nx-X11/extras/drm/linux-core/drm_ioctl.c
deleted file mode 100644
index e0998d53d..000000000
--- a/nx-X11/extras/drm/linux-core/drm_ioctl.c
+++ /dev/null
@@ -1,368 +0,0 @@
-/**
- * \file drm_ioctl.c
- * IOCTL processing for DRM
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Fri Jan 8 09:01:26 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.
- */
-
-#include "drmP.h"
-#include "drm_core.h"
-
-#include "linux/pci.h"
-
-/**
- * Get the bus id.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_unique structure.
- * \return zero on success or a negative number on failure.
- *
- * Copies the bus id from drm_device::unique into user space.
- */
-int drm_getunique(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
- drm_unique_t __user *argp = (void __user *)arg;
- drm_unique_t u;
-
- if (copy_from_user(&u, argp, sizeof(u)))
- return -EFAULT;
- if (u.unique_len >= dev->unique_len) {
- if (copy_to_user(u.unique, dev->unique, dev->unique_len))
- return -EFAULT;
- }
- u.unique_len = dev->unique_len;
- if (copy_to_user(argp, &u, sizeof(u)))
- return -EFAULT;
- return 0;
-}
-
-/**
- * Set the bus id.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_unique structure.
- * \return zero on success or a negative number on failure.
- *
- * Copies the bus id from userspace into drm_device::unique, and verifies that
- * it matches the device this DRM is attached to (EINVAL otherwise). Deprecated
- * in interface version 1.1 and will return EBUSY when setversion has requested
- * version 1.1 or greater.
- */
-int drm_setunique(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
- drm_unique_t u;
- int domain, bus, slot, func, ret;
-
- if (dev->unique_len || dev->unique)
- return -EBUSY;
-
- if (copy_from_user(&u, (drm_unique_t __user *) arg, sizeof(u)))
- return -EFAULT;
-
- if (!u.unique_len || u.unique_len > 1024)
- return -EINVAL;
-
- dev->unique_len = u.unique_len;
- dev->unique = drm_alloc(u.unique_len + 1, DRM_MEM_DRIVER);
- if (!dev->unique)
- return -ENOMEM;
- if (copy_from_user(dev->unique, u.unique, dev->unique_len))
- return -EFAULT;
-
- dev->unique[dev->unique_len] = '\0';
-
- dev->devname = drm_alloc(strlen(dev->driver->pci_driver.name) + strlen(dev->unique) + 2,
- DRM_MEM_DRIVER);
- if (!dev->devname)
- return -ENOMEM;
-
- sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name, dev->unique);
-
- /* Return error if the busid submitted doesn't match the device's actual
- * busid.
- */
- ret = sscanf(dev->unique, "PCI:%d:%d:%d", &bus, &slot, &func);
- if (ret != 3)
- return DRM_ERR(EINVAL);
- domain = bus >> 8;
- bus &= 0xff;
-
- if ((domain != dev->pci_domain) ||
- (bus != dev->pci_bus) ||
- (slot != dev->pci_slot) || (func != dev->pci_func))
- return -EINVAL;
-
- return 0;
-}
-
-static int drm_set_busid(drm_device_t * dev)
-{
- int len;
- if (dev->unique != NULL)
- return EBUSY;
-
- dev->unique_len = 40;
- dev->unique = drm_alloc(dev->unique_len + 1, DRM_MEM_DRIVER);
- if (dev->unique == NULL)
- return ENOMEM;
-
- len = snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%d",
- dev->pci_domain, dev->pci_bus, dev->pci_slot, dev->pci_func);
- if (len > dev->unique_len)
- DRM_ERROR("buffer overflow");
-
- dev->devname = drm_alloc(strlen(dev->driver->pci_driver.name) + dev->unique_len + 2,
- DRM_MEM_DRIVER);
- if (dev->devname == NULL)
- return ENOMEM;
-
- sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name, dev->unique);
-
- return 0;
-}
-
-/**
- * Get a mapping information.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_map structure.
- *
- * \return zero on success or a negative number on failure.
- *
- * Searches for the mapping with the specified offset and copies its information
- * into userspace
- */
-int drm_getmap(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
- drm_map_t __user *argp = (void __user *)arg;
- drm_map_t map;
- drm_map_list_t *r_list = NULL;
- struct list_head *list;
- int idx;
- int i;
-
- if (copy_from_user(&map, argp, sizeof(map)))
- return -EFAULT;
- idx = map.offset;
-
- down(&dev->struct_sem);
- if (idx < 0) {
- up(&dev->struct_sem);
- return -EINVAL;
- }
-
- i = 0;
- list_for_each(list, &dev->maplist->head) {
- if (i == idx) {
- r_list = list_entry(list, drm_map_list_t, head);
- break;
- }
- i++;
- }
- if (!r_list || !r_list->map) {
- up(&dev->struct_sem);
- return -EINVAL;
- }
-
- map.offset = r_list->map->offset;
- map.size = r_list->map->size;
- map.type = r_list->map->type;
- map.flags = r_list->map->flags;
- map.handle = (void *)(unsigned long) r_list->user_token;
- map.mtrr = r_list->map->mtrr;
- up(&dev->struct_sem);
-
- if (copy_to_user(argp, &map, sizeof(map)))
- return -EFAULT;
- return 0;
-}
-
-/**
- * Get client information.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_client structure.
- *
- * \return zero on success or a negative number on failure.
- *
- * Searches for the client with the specified index and copies its information
- * into userspace
- */
-int drm_getclient(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
- drm_client_t __user *argp = (void __user *)arg;
- drm_client_t client;
- drm_file_t *pt;
- int idx;
- int i;
-
- if (copy_from_user(&client, argp, sizeof(client)))
- return -EFAULT;
- idx = client.idx;
- down(&dev->struct_sem);
- for (i = 0, pt = dev->file_first; i < idx && pt; i++, pt = pt->next) ;
-
- if (!pt) {
- up(&dev->struct_sem);
- return -EINVAL;
- }
- client.auth = pt->authenticated;
- client.pid = pt->pid;
- client.uid = pt->uid;
- client.magic = pt->magic;
- client.iocs = pt->ioctl_count;
- up(&dev->struct_sem);
-
- if (copy_to_user(argp, &client, sizeof(client)))
- return -EFAULT;
- return 0;
-}
-
-/**
- * Get statistics information.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_stats structure.
- *
- * \return zero on success or a negative number on failure.
- */
-int drm_getstats(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
- drm_stats_t stats;
- int i;
-
- memset(&stats, 0, sizeof(stats));
-
- down(&dev->struct_sem);
-
- for (i = 0; i < dev->counters; i++) {
- if (dev->types[i] == _DRM_STAT_LOCK)
- stats.data[i].value
- = (dev->lock.hw_lock ? dev->lock.hw_lock->lock : 0);
- else
- stats.data[i].value = atomic_read(&dev->counts[i]);
- stats.data[i].type = dev->types[i];
- }
-
- stats.count = dev->counters;
-
- up(&dev->struct_sem);
-
- if (copy_to_user((drm_stats_t __user *) arg, &stats, sizeof(stats)))
- return -EFAULT;
- return 0;
-}
-
-/**
- * Setversion ioctl.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_lock structure.
- * \return zero on success or negative number on failure.
- *
- * Sets the requested interface version
- */
-int drm_setversion(DRM_IOCTL_ARGS)
-{
- DRM_DEVICE;
- drm_set_version_t sv;
- drm_set_version_t retv;
- int if_version;
- drm_set_version_t __user *argp = (void __user *)data;
-
- DRM_COPY_FROM_USER_IOCTL(sv, argp, sizeof(sv));
-
- retv.drm_di_major = DRM_IF_MAJOR;
- retv.drm_di_minor = DRM_IF_MINOR;
- retv.drm_dd_major = dev->driver->major;
- retv.drm_dd_minor = dev->driver->minor;
-
- DRM_COPY_TO_USER_IOCTL(argp, retv, sizeof(sv));
-
- if (sv.drm_di_major != -1) {
- if (sv.drm_di_major != DRM_IF_MAJOR ||
- sv.drm_di_minor < 0 || sv.drm_di_minor > DRM_IF_MINOR)
- return EINVAL;
- if_version = DRM_IF_VERSION(sv.drm_di_major, sv.drm_di_minor);
- dev->if_version = DRM_MAX(if_version, dev->if_version);
- if (sv.drm_di_minor >= 1) {
- /*
- * Version 1.1 includes tying of DRM to specific device
- */
- drm_set_busid(dev);
- }
- }
-
- if (sv.drm_dd_major != -1) {
- if (sv.drm_dd_major != dev->driver->major ||
- sv.drm_dd_minor < 0 || sv.drm_dd_minor > dev->driver->minor)
- return EINVAL;
-
- if (dev->driver->set_version)
- dev->driver->set_version(dev, &sv);
- }
- return 0;
-}
-
-/** No-op ioctl. */
-int drm_noop(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
-{
- DRM_DEBUG("\n");
- return 0;
-}
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