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path: root/drivers/char/drm/drm_ioc32.c
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Diffstat (limited to 'drivers/char/drm/drm_ioc32.c')
-rw-r--r--drivers/char/drm/drm_ioc32.c1073
1 files changed, 0 insertions, 1073 deletions
diff --git a/drivers/char/drm/drm_ioc32.c b/drivers/char/drm/drm_ioc32.c
deleted file mode 100644
index 90f5a8d9bdc..00000000000
--- a/drivers/char/drm/drm_ioc32.c
+++ /dev/null
@@ -1,1073 +0,0 @@
-/**
- * \file drm_ioc32.c
- *
- * 32-bit ioctl compatibility routines for the DRM.
- *
- * \author Paul Mackerras <paulus@samba.org>
- *
- * Copyright (C) Paul Mackerras 2005.
- * 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
- * THE AUTHOR 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 <linux/compat.h>
-
-#include "drmP.h"
-#include "drm_core.h"
-
-#define DRM_IOCTL_VERSION32 DRM_IOWR(0x00, drm_version32_t)
-#define DRM_IOCTL_GET_UNIQUE32 DRM_IOWR(0x01, drm_unique32_t)
-#define DRM_IOCTL_GET_MAP32 DRM_IOWR(0x04, drm_map32_t)
-#define DRM_IOCTL_GET_CLIENT32 DRM_IOWR(0x05, drm_client32_t)
-#define DRM_IOCTL_GET_STATS32 DRM_IOR( 0x06, drm_stats32_t)
-
-#define DRM_IOCTL_SET_UNIQUE32 DRM_IOW( 0x10, drm_unique32_t)
-#define DRM_IOCTL_ADD_MAP32 DRM_IOWR(0x15, drm_map32_t)
-#define DRM_IOCTL_ADD_BUFS32 DRM_IOWR(0x16, drm_buf_desc32_t)
-#define DRM_IOCTL_MARK_BUFS32 DRM_IOW( 0x17, drm_buf_desc32_t)
-#define DRM_IOCTL_INFO_BUFS32 DRM_IOWR(0x18, drm_buf_info32_t)
-#define DRM_IOCTL_MAP_BUFS32 DRM_IOWR(0x19, drm_buf_map32_t)
-#define DRM_IOCTL_FREE_BUFS32 DRM_IOW( 0x1a, drm_buf_free32_t)
-
-#define DRM_IOCTL_RM_MAP32 DRM_IOW( 0x1b, drm_map32_t)
-
-#define DRM_IOCTL_SET_SAREA_CTX32 DRM_IOW( 0x1c, drm_ctx_priv_map32_t)
-#define DRM_IOCTL_GET_SAREA_CTX32 DRM_IOWR(0x1d, drm_ctx_priv_map32_t)
-
-#define DRM_IOCTL_RES_CTX32 DRM_IOWR(0x26, drm_ctx_res32_t)
-#define DRM_IOCTL_DMA32 DRM_IOWR(0x29, drm_dma32_t)
-
-#define DRM_IOCTL_AGP_ENABLE32 DRM_IOW( 0x32, drm_agp_mode32_t)
-#define DRM_IOCTL_AGP_INFO32 DRM_IOR( 0x33, drm_agp_info32_t)
-#define DRM_IOCTL_AGP_ALLOC32 DRM_IOWR(0x34, drm_agp_buffer32_t)
-#define DRM_IOCTL_AGP_FREE32 DRM_IOW( 0x35, drm_agp_buffer32_t)
-#define DRM_IOCTL_AGP_BIND32 DRM_IOW( 0x36, drm_agp_binding32_t)
-#define DRM_IOCTL_AGP_UNBIND32 DRM_IOW( 0x37, drm_agp_binding32_t)
-
-#define DRM_IOCTL_SG_ALLOC32 DRM_IOW( 0x38, drm_scatter_gather32_t)
-#define DRM_IOCTL_SG_FREE32 DRM_IOW( 0x39, drm_scatter_gather32_t)
-
-#define DRM_IOCTL_WAIT_VBLANK32 DRM_IOWR(0x3a, drm_wait_vblank32_t)
-
-typedef struct drm_version_32 {
- int version_major; /**< Major version */
- int version_minor; /**< Minor version */
- int version_patchlevel; /**< Patch level */
- u32 name_len; /**< Length of name buffer */
- u32 name; /**< Name of driver */
- u32 date_len; /**< Length of date buffer */
- u32 date; /**< User-space buffer to hold date */
- u32 desc_len; /**< Length of desc buffer */
- u32 desc; /**< User-space buffer to hold desc */
-} drm_version32_t;
-
-static int compat_drm_version(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_version32_t v32;
- struct drm_version __user *version;
- int err;
-
- if (copy_from_user(&v32, (void __user *)arg, sizeof(v32)))
- return -EFAULT;
-
- version = compat_alloc_user_space(sizeof(*version));
- if (!access_ok(VERIFY_WRITE, version, sizeof(*version)))
- return -EFAULT;
- if (__put_user(v32.name_len, &version->name_len)
- || __put_user((void __user *)(unsigned long)v32.name,
- &version->name)
- || __put_user(v32.date_len, &version->date_len)
- || __put_user((void __user *)(unsigned long)v32.date,
- &version->date)
- || __put_user(v32.desc_len, &version->desc_len)
- || __put_user((void __user *)(unsigned long)v32.desc,
- &version->desc))
- return -EFAULT;
-
- err = drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_VERSION, (unsigned long)version);
- if (err)
- return err;
-
- if (__get_user(v32.version_major, &version->version_major)
- || __get_user(v32.version_minor, &version->version_minor)
- || __get_user(v32.version_patchlevel, &version->version_patchlevel)
- || __get_user(v32.name_len, &version->name_len)
- || __get_user(v32.date_len, &version->date_len)
- || __get_user(v32.desc_len, &version->desc_len))
- return -EFAULT;
-
- if (copy_to_user((void __user *)arg, &v32, sizeof(v32)))
- return -EFAULT;
- return 0;
-}
-
-typedef struct drm_unique32 {
- u32 unique_len; /**< Length of unique */
- u32 unique; /**< Unique name for driver instantiation */
-} drm_unique32_t;
-
-static int compat_drm_getunique(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_unique32_t uq32;
- struct drm_unique __user *u;
- int err;
-
- if (copy_from_user(&uq32, (void __user *)arg, sizeof(uq32)))
- return -EFAULT;
-
- u = compat_alloc_user_space(sizeof(*u));
- if (!access_ok(VERIFY_WRITE, u, sizeof(*u)))
- return -EFAULT;
- if (__put_user(uq32.unique_len, &u->unique_len)
- || __put_user((void __user *)(unsigned long)uq32.unique,
- &u->unique))
- return -EFAULT;
-
- err = drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_GET_UNIQUE, (unsigned long)u);
- if (err)
- return err;
-
- if (__get_user(uq32.unique_len, &u->unique_len))
- return -EFAULT;
- if (copy_to_user((void __user *)arg, &uq32, sizeof(uq32)))
- return -EFAULT;
- return 0;
-}
-
-static int compat_drm_setunique(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_unique32_t uq32;
- struct drm_unique __user *u;
-
- if (copy_from_user(&uq32, (void __user *)arg, sizeof(uq32)))
- return -EFAULT;
-
- u = compat_alloc_user_space(sizeof(*u));
- if (!access_ok(VERIFY_WRITE, u, sizeof(*u)))
- return -EFAULT;
- if (__put_user(uq32.unique_len, &u->unique_len)
- || __put_user((void __user *)(unsigned long)uq32.unique,
- &u->unique))
- return -EFAULT;
-
- return drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_SET_UNIQUE, (unsigned long)u);
-}
-
-typedef struct drm_map32 {
- u32 offset; /**< Requested physical address (0 for SAREA)*/
- u32 size; /**< Requested physical size (bytes) */
- enum drm_map_type type; /**< Type of memory to map */
- enum drm_map_flags flags; /**< Flags */
- u32 handle; /**< User-space: "Handle" to pass to mmap() */
- int mtrr; /**< MTRR slot used */
-} drm_map32_t;
-
-static int compat_drm_getmap(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_map32_t __user *argp = (void __user *)arg;
- drm_map32_t m32;
- struct drm_map __user *map;
- int idx, err;
- void *handle;
-
- if (get_user(idx, &argp->offset))
- return -EFAULT;
-
- map = compat_alloc_user_space(sizeof(*map));
- if (!access_ok(VERIFY_WRITE, map, sizeof(*map)))
- return -EFAULT;
- if (__put_user(idx, &map->offset))
- return -EFAULT;
-
- err = drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_GET_MAP, (unsigned long)map);
- if (err)
- return err;
-
- if (__get_user(m32.offset, &map->offset)
- || __get_user(m32.size, &map->size)
- || __get_user(m32.type, &map->type)
- || __get_user(m32.flags, &map->flags)
- || __get_user(handle, &map->handle)
- || __get_user(m32.mtrr, &map->mtrr))
- return -EFAULT;
-
- m32.handle = (unsigned long)handle;
- if (copy_to_user(argp, &m32, sizeof(m32)))
- return -EFAULT;
- return 0;
-
-}
-
-static int compat_drm_addmap(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_map32_t __user *argp = (void __user *)arg;
- drm_map32_t m32;
- struct drm_map __user *map;
- int err;
- void *handle;
-
- if (copy_from_user(&m32, argp, sizeof(m32)))
- return -EFAULT;
-
- map = compat_alloc_user_space(sizeof(*map));
- if (!access_ok(VERIFY_WRITE, map, sizeof(*map)))
- return -EFAULT;
- if (__put_user(m32.offset, &map->offset)
- || __put_user(m32.size, &map->size)
- || __put_user(m32.type, &map->type)
- || __put_user(m32.flags, &map->flags))
- return -EFAULT;
-
- err = drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_ADD_MAP, (unsigned long)map);
- if (err)
- return err;
-
- if (__get_user(m32.offset, &map->offset)
- || __get_user(m32.mtrr, &map->mtrr)
- || __get_user(handle, &map->handle))
- return -EFAULT;
-
- m32.handle = (unsigned long)handle;
- if (m32.handle != (unsigned long)handle && printk_ratelimit())
- printk(KERN_ERR "compat_drm_addmap truncated handle"
- " %p for type %d offset %x\n",
- handle, m32.type, m32.offset);
-
- if (copy_to_user(argp, &m32, sizeof(m32)))
- return -EFAULT;
-
- return 0;
-}
-
-static int compat_drm_rmmap(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_map32_t __user *argp = (void __user *)arg;
- struct drm_map __user *map;
- u32 handle;
-
- if (get_user(handle, &argp->handle))
- return -EFAULT;
-
- map = compat_alloc_user_space(sizeof(*map));
- if (!access_ok(VERIFY_WRITE, map, sizeof(*map)))
- return -EFAULT;
- if (__put_user((void *)(unsigned long)handle, &map->handle))
- return -EFAULT;
-
- return drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_RM_MAP, (unsigned long)map);
-}
-
-typedef struct drm_client32 {
- int idx; /**< Which client desired? */
- int auth; /**< Is client authenticated? */
- u32 pid; /**< Process ID */
- u32 uid; /**< User ID */
- u32 magic; /**< Magic */
- u32 iocs; /**< Ioctl count */
-} drm_client32_t;
-
-static int compat_drm_getclient(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_client32_t c32;
- drm_client32_t __user *argp = (void __user *)arg;
- struct drm_client __user *client;
- int idx, err;
-
- if (get_user(idx, &argp->idx))
- return -EFAULT;
-
- client = compat_alloc_user_space(sizeof(*client));
- if (!access_ok(VERIFY_WRITE, client, sizeof(*client)))
- return -EFAULT;
- if (__put_user(idx, &client->idx))
- return -EFAULT;
-
- err = drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_GET_CLIENT, (unsigned long)client);
- if (err)
- return err;
-
- if (__get_user(c32.auth, &client->auth)
- || __get_user(c32.pid, &client->pid)
- || __get_user(c32.uid, &client->uid)
- || __get_user(c32.magic, &client->magic)
- || __get_user(c32.iocs, &client->iocs))
- return -EFAULT;
-
- if (copy_to_user(argp, &c32, sizeof(c32)))
- return -EFAULT;
- return 0;
-}
-
-typedef struct drm_stats32 {
- u32 count;
- struct {
- u32 value;
- enum drm_stat_type type;
- } data[15];
-} drm_stats32_t;
-
-static int compat_drm_getstats(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_stats32_t s32;
- drm_stats32_t __user *argp = (void __user *)arg;
- struct drm_stats __user *stats;
- int i, err;
-
- stats = compat_alloc_user_space(sizeof(*stats));
- if (!access_ok(VERIFY_WRITE, stats, sizeof(*stats)))
- return -EFAULT;
-
- err = drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_GET_STATS, (unsigned long)stats);
- if (err)
- return err;
-
- if (__get_user(s32.count, &stats->count))
- return -EFAULT;
- for (i = 0; i < 15; ++i)
- if (__get_user(s32.data[i].value, &stats->data[i].value)
- || __get_user(s32.data[i].type, &stats->data[i].type))
- return -EFAULT;
-
- if (copy_to_user(argp, &s32, sizeof(s32)))
- return -EFAULT;
- return 0;
-}
-
-typedef struct drm_buf_desc32 {
- int count; /**< Number of buffers of this size */
- int size; /**< Size in bytes */
- int low_mark; /**< Low water mark */
- int high_mark; /**< High water mark */
- int flags;
- u32 agp_start; /**< Start address in the AGP aperture */
-} drm_buf_desc32_t;
-
-static int compat_drm_addbufs(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_buf_desc32_t __user *argp = (void __user *)arg;
- struct drm_buf_desc __user *buf;
- int err;
- unsigned long agp_start;
-
- buf = compat_alloc_user_space(sizeof(*buf));
- if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf))
- || !access_ok(VERIFY_WRITE, argp, sizeof(*argp)))
- return -EFAULT;
-
- if (__copy_in_user(buf, argp, offsetof(drm_buf_desc32_t, agp_start))
- || __get_user(agp_start, &argp->agp_start)
- || __put_user(agp_start, &buf->agp_start))
- return -EFAULT;
-
- err = drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_ADD_BUFS, (unsigned long)buf);
- if (err)
- return err;
-
- if (__copy_in_user(argp, buf, offsetof(drm_buf_desc32_t, agp_start))
- || __get_user(agp_start, &buf->agp_start)
- || __put_user(agp_start, &argp->agp_start))
- return -EFAULT;
-
- return 0;
-}
-
-static int compat_drm_markbufs(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_buf_desc32_t b32;
- drm_buf_desc32_t __user *argp = (void __user *)arg;
- struct drm_buf_desc __user *buf;
-
- if (copy_from_user(&b32, argp, sizeof(b32)))
- return -EFAULT;
-
- buf = compat_alloc_user_space(sizeof(*buf));
- if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf)))
- return -EFAULT;
-
- if (__put_user(b32.size, &buf->size)
- || __put_user(b32.low_mark, &buf->low_mark)
- || __put_user(b32.high_mark, &buf->high_mark))
- return -EFAULT;
-
- return drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_MARK_BUFS, (unsigned long)buf);
-}
-
-typedef struct drm_buf_info32 {
- int count; /**< Entries in list */
- u32 list;
-} drm_buf_info32_t;
-
-static int compat_drm_infobufs(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_buf_info32_t req32;
- drm_buf_info32_t __user *argp = (void __user *)arg;
- drm_buf_desc32_t __user *to;
- struct drm_buf_info __user *request;
- struct drm_buf_desc __user *list;
- size_t nbytes;
- int i, err;
- int count, actual;
-
- if (copy_from_user(&req32, argp, sizeof(req32)))
- return -EFAULT;
-
- count = req32.count;
- to = (drm_buf_desc32_t __user *) (unsigned long)req32.list;
- if (count < 0)
- count = 0;
- if (count > 0
- && !access_ok(VERIFY_WRITE, to, count * sizeof(drm_buf_desc32_t)))
- return -EFAULT;
-
- nbytes = sizeof(*request) + count * sizeof(struct drm_buf_desc);
- request = compat_alloc_user_space(nbytes);
- if (!access_ok(VERIFY_WRITE, request, nbytes))
- return -EFAULT;
- list = (struct drm_buf_desc *) (request + 1);
-
- if (__put_user(count, &request->count)
- || __put_user(list, &request->list))
- return -EFAULT;
-
- err = drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_INFO_BUFS, (unsigned long)request);
- if (err)
- return err;
-
- if (__get_user(actual, &request->count))
- return -EFAULT;
- if (count >= actual)
- for (i = 0; i < actual; ++i)
- if (__copy_in_user(&to[i], &list[i],
- offsetof(struct drm_buf_desc, flags)))
- return -EFAULT;
-
- if (__put_user(actual, &argp->count))
- return -EFAULT;
-
- return 0;
-}
-
-typedef struct drm_buf_pub32 {
- int idx; /**< Index into the master buffer list */
- int total; /**< Buffer size */
- int used; /**< Amount of buffer in use (for DMA) */
- u32 address; /**< Address of buffer */
-} drm_buf_pub32_t;
-
-typedef struct drm_buf_map32 {
- int count; /**< Length of the buffer list */
- u32 virtual; /**< Mmap'd area in user-virtual */
- u32 list; /**< Buffer information */
-} drm_buf_map32_t;
-
-static int compat_drm_mapbufs(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_buf_map32_t __user *argp = (void __user *)arg;
- drm_buf_map32_t req32;
- drm_buf_pub32_t __user *list32;
- struct drm_buf_map __user *request;
- struct drm_buf_pub __user *list;
- int i, err;
- int count, actual;
- size_t nbytes;
- void __user *addr;
-
- if (copy_from_user(&req32, argp, sizeof(req32)))
- return -EFAULT;
- count = req32.count;
- list32 = (void __user *)(unsigned long)req32.list;
-
- if (count < 0)
- return -EINVAL;
- nbytes = sizeof(*request) + count * sizeof(struct drm_buf_pub);
- request = compat_alloc_user_space(nbytes);
- if (!access_ok(VERIFY_WRITE, request, nbytes))
- return -EFAULT;
- list = (struct drm_buf_pub *) (request + 1);
-
- if (__put_user(count, &request->count)
- || __put_user(list, &request->list))
- return -EFAULT;
-
- err = drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_MAP_BUFS, (unsigned long)request);
- if (err)
- return err;
-
- if (__get_user(actual, &request->count))
- return -EFAULT;
- if (count >= actual)
- for (i = 0; i < actual; ++i)
- if (__copy_in_user(&list32[i], &list[i],
- offsetof(struct drm_buf_pub, address))
- || __get_user(addr, &list[i].address)
- || __put_user((unsigned long)addr,
- &list32[i].address))
- return -EFAULT;
-
- if (__put_user(actual, &argp->count)
- || __get_user(addr, &request->virtual)
- || __put_user((unsigned long)addr, &argp->virtual))
- return -EFAULT;
-
- return 0;
-}
-
-typedef struct drm_buf_free32 {
- int count;
- u32 list;
-} drm_buf_free32_t;
-
-static int compat_drm_freebufs(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_buf_free32_t req32;
- struct drm_buf_free __user *request;
- drm_buf_free32_t __user *argp = (void __user *)arg;
-
- if (copy_from_user(&req32, argp, sizeof(req32)))
- return -EFAULT;
-
- request = compat_alloc_user_space(sizeof(*request));
- if (!access_ok(VERIFY_WRITE, request, sizeof(*request)))
- return -EFAULT;
- if (__put_user(req32.count, &request->count)
- || __put_user((int __user *)(unsigned long)req32.list,
- &request->list))
- return -EFAULT;
-
- return drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_FREE_BUFS, (unsigned long)request);
-}
-
-typedef struct drm_ctx_priv_map32 {
- unsigned int ctx_id; /**< Context requesting private mapping */
- u32 handle; /**< Handle of map */
-} drm_ctx_priv_map32_t;
-
-static int compat_drm_setsareactx(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_ctx_priv_map32_t req32;
- struct drm_ctx_priv_map __user *request;
- drm_ctx_priv_map32_t __user *argp = (void __user *)arg;
-
- if (copy_from_user(&req32, argp, sizeof(req32)))
- return -EFAULT;
-
- request = compat_alloc_user_space(sizeof(*request));
- if (!access_ok(VERIFY_WRITE, request, sizeof(*request)))
- return -EFAULT;
- if (__put_user(req32.ctx_id, &request->ctx_id)
- || __put_user((void *)(unsigned long)req32.handle,
- &request->handle))
- return -EFAULT;
-
- return drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_SET_SAREA_CTX, (unsigned long)request);
-}
-
-static int compat_drm_getsareactx(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- struct drm_ctx_priv_map __user *request;
- drm_ctx_priv_map32_t __user *argp = (void __user *)arg;
- int err;
- unsigned int ctx_id;
- void *handle;
-
- if (!access_ok(VERIFY_WRITE, argp, sizeof(*argp))
- || __get_user(ctx_id, &argp->ctx_id))
- return -EFAULT;
-
- request = compat_alloc_user_space(sizeof(*request));
- if (!access_ok(VERIFY_WRITE, request, sizeof(*request)))
- return -EFAULT;
- if (__put_user(ctx_id, &request->ctx_id))
- return -EFAULT;
-
- err = drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_GET_SAREA_CTX, (unsigned long)request);
- if (err)
- return err;
-
- if (__get_user(handle, &request->handle)
- || __put_user((unsigned long)handle, &argp->handle))
- return -EFAULT;
-
- return 0;
-}
-
-typedef struct drm_ctx_res32 {
- int count;
- u32 contexts;
-} drm_ctx_res32_t;
-
-static int compat_drm_resctx(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_ctx_res32_t __user *argp = (void __user *)arg;
- drm_ctx_res32_t res32;
- struct drm_ctx_res __user *res;
- int err;
-
- if (copy_from_user(&res32, argp, sizeof(res32)))
- return -EFAULT;
-
- res = compat_alloc_user_space(sizeof(*res));
- if (!access_ok(VERIFY_WRITE, res, sizeof(*res)))
- return -EFAULT;
- if (__put_user(res32.count, &res->count)
- || __put_user((struct drm_ctx __user *) (unsigned long)res32.contexts,
- &res->contexts))
- return -EFAULT;
-
- err = drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_RES_CTX, (unsigned long)res);
- if (err)
- return err;
-
- if (__get_user(res32.count, &res->count)
- || __put_user(res32.count, &argp->count))
- return -EFAULT;
-
- return 0;
-}
-
-typedef struct drm_dma32 {
- int context; /**< Context handle */
- int send_count; /**< Number of buffers to send */
- u32 send_indices; /**< List of handles to buffers */
- u32 send_sizes; /**< Lengths of data to send */
- enum drm_dma_flags flags; /**< Flags */
- int request_count; /**< Number of buffers requested */
- int request_size; /**< Desired size for buffers */
- u32 request_indices; /**< Buffer information */
- u32 request_sizes;
- int granted_count; /**< Number of buffers granted */
-} drm_dma32_t;
-
-static int compat_drm_dma(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_dma32_t d32;
- drm_dma32_t __user *argp = (void __user *)arg;
- struct drm_dma __user *d;
- int err;
-
- if (copy_from_user(&d32, argp, sizeof(d32)))
- return -EFAULT;
-
- d = compat_alloc_user_space(sizeof(*d));
- if (!access_ok(VERIFY_WRITE, d, sizeof(*d)))
- return -EFAULT;
-
- if (__put_user(d32.context, &d->context)
- || __put_user(d32.send_count, &d->send_count)
- || __put_user((int __user *)(unsigned long)d32.send_indices,
- &d->send_indices)
- || __put_user((int __user *)(unsigned long)d32.send_sizes,
- &d->send_sizes)
- || __put_user(d32.flags, &d->flags)
- || __put_user(d32.request_count, &d->request_count)
- || __put_user((int __user *)(unsigned long)d32.request_indices,
- &d->request_indices)
- || __put_user((int __user *)(unsigned long)d32.request_sizes,
- &d->request_sizes))
- return -EFAULT;
-
- err = drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_DMA, (unsigned long)d);
- if (err)
- return err;
-
- if (__get_user(d32.request_size, &d->request_size)
- || __get_user(d32.granted_count, &d->granted_count)
- || __put_user(d32.request_size, &argp->request_size)
- || __put_user(d32.granted_count, &argp->granted_count))
- return -EFAULT;
-
- return 0;
-}
-
-#if __OS_HAS_AGP
-typedef struct drm_agp_mode32 {
- u32 mode; /**< AGP mode */
-} drm_agp_mode32_t;
-
-static int compat_drm_agp_enable(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_agp_mode32_t __user *argp = (void __user *)arg;
- drm_agp_mode32_t m32;
- struct drm_agp_mode __user *mode;
-
- if (get_user(m32.mode, &argp->mode))
- return -EFAULT;
-
- mode = compat_alloc_user_space(sizeof(*mode));
- if (put_user(m32.mode, &mode->mode))
- return -EFAULT;
-
- return drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_AGP_ENABLE, (unsigned long)mode);
-}
-
-typedef struct drm_agp_info32 {
- int agp_version_major;
- int agp_version_minor;
- u32 mode;
- u32 aperture_base; /* physical address */
- u32 aperture_size; /* bytes */
- u32 memory_allowed; /* bytes */
- u32 memory_used;
-
- /* PCI information */
- unsigned short id_vendor;
- unsigned short id_device;
-} drm_agp_info32_t;
-
-static int compat_drm_agp_info(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_agp_info32_t __user *argp = (void __user *)arg;
- drm_agp_info32_t i32;
- struct drm_agp_info __user *info;
- int err;
-
- info = compat_alloc_user_space(sizeof(*info));
- if (!access_ok(VERIFY_WRITE, info, sizeof(*info)))
- return -EFAULT;
-
- err = drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_AGP_INFO, (unsigned long)info);
- if (err)
- return err;
-
- if (__get_user(i32.agp_version_major, &info->agp_version_major)
- || __get_user(i32.agp_version_minor, &info->agp_version_minor)
- || __get_user(i32.mode, &info->mode)
- || __get_user(i32.aperture_base, &info->aperture_base)
- || __get_user(i32.aperture_size, &info->aperture_size)
- || __get_user(i32.memory_allowed, &info->memory_allowed)
- || __get_user(i32.memory_used, &info->memory_used)
- || __get_user(i32.id_vendor, &info->id_vendor)
- || __get_user(i32.id_device, &info->id_device))
- return -EFAULT;
-
- if (copy_to_user(argp, &i32, sizeof(i32)))
- return -EFAULT;
-
- return 0;
-}
-
-typedef struct drm_agp_buffer32 {
- u32 size; /**< In bytes -- will round to page boundary */
- u32 handle; /**< Used for binding / unbinding */
- u32 type; /**< Type of memory to allocate */
- u32 physical; /**< Physical used by i810 */
-} drm_agp_buffer32_t;
-
-static int compat_drm_agp_alloc(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_agp_buffer32_t __user *argp = (void __user *)arg;
- drm_agp_buffer32_t req32;
- struct drm_agp_buffer __user *request;
- int err;
-
- if (copy_from_user(&req32, argp, sizeof(req32)))
- return -EFAULT;
-
- request = compat_alloc_user_space(sizeof(*request));
- if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
- || __put_user(req32.size, &request->size)
- || __put_user(req32.type, &request->type))
- return -EFAULT;
-
- err = drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_AGP_ALLOC, (unsigned long)request);
- if (err)
- return err;
-
- if (__get_user(req32.handle, &request->handle)
- || __get_user(req32.physical, &request->physical)
- || copy_to_user(argp, &req32, sizeof(req32))) {
- drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_AGP_FREE, (unsigned long)request);
- return -EFAULT;
- }
-
- return 0;
-}
-
-static int compat_drm_agp_free(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_agp_buffer32_t __user *argp = (void __user *)arg;
- struct drm_agp_buffer __user *request;
- u32 handle;
-
- request = compat_alloc_user_space(sizeof(*request));
- if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
- || get_user(handle, &argp->handle)
- || __put_user(handle, &request->handle))
- return -EFAULT;
-
- return drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_AGP_FREE, (unsigned long)request);
-}
-
-typedef struct drm_agp_binding32 {
- u32 handle; /**< From drm_agp_buffer */
- u32 offset; /**< In bytes -- will round to page boundary */
-} drm_agp_binding32_t;
-
-static int compat_drm_agp_bind(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_agp_binding32_t __user *argp = (void __user *)arg;
- drm_agp_binding32_t req32;
- struct drm_agp_binding __user *request;
-
- if (copy_from_user(&req32, argp, sizeof(req32)))
- return -EFAULT;
-
- request = compat_alloc_user_space(sizeof(*request));
- if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
- || __put_user(req32.handle, &request->handle)
- || __put_user(req32.offset, &request->offset))
- return -EFAULT;
-
- return drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_AGP_BIND, (unsigned long)request);
-}
-
-static int compat_drm_agp_unbind(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_agp_binding32_t __user *argp = (void __user *)arg;
- struct drm_agp_binding __user *request;
- u32 handle;
-
- request = compat_alloc_user_space(sizeof(*request));
- if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
- || get_user(handle, &argp->handle)
- || __put_user(handle, &request->handle))
- return -EFAULT;
-
- return drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_AGP_UNBIND, (unsigned long)request);
-}
-#endif /* __OS_HAS_AGP */
-
-typedef struct drm_scatter_gather32 {
- u32 size; /**< In bytes -- will round to page boundary */
- u32 handle; /**< Used for mapping / unmapping */
-} drm_scatter_gather32_t;
-
-static int compat_drm_sg_alloc(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_scatter_gather32_t __user *argp = (void __user *)arg;
- struct drm_scatter_gather __user *request;
- int err;
- unsigned long x;
-
- request = compat_alloc_user_space(sizeof(*request));
- if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
- || !access_ok(VERIFY_WRITE, argp, sizeof(*argp))
- || __get_user(x, &argp->size)
- || __put_user(x, &request->size))
- return -EFAULT;
-
- err = drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_SG_ALLOC, (unsigned long)request);
- if (err)
- return err;
-
- /* XXX not sure about the handle conversion here... */
- if (__get_user(x, &request->handle)
- || __put_user(x >> PAGE_SHIFT, &argp->handle))
- return -EFAULT;
-
- return 0;
-}
-
-static int compat_drm_sg_free(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_scatter_gather32_t __user *argp = (void __user *)arg;
- struct drm_scatter_gather __user *request;
- unsigned long x;
-
- request = compat_alloc_user_space(sizeof(*request));
- if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
- || !access_ok(VERIFY_WRITE, argp, sizeof(*argp))
- || __get_user(x, &argp->handle)
- || __put_user(x << PAGE_SHIFT, &request->handle))
- return -EFAULT;
-
- return drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_SG_FREE, (unsigned long)request);
-}
-
-struct drm_wait_vblank_request32 {
- enum drm_vblank_seq_type type;
- unsigned int sequence;
- u32 signal;
-};
-
-struct drm_wait_vblank_reply32 {
- enum drm_vblank_seq_type type;
- unsigned int sequence;
- s32 tval_sec;
- s32 tval_usec;
-};
-
-typedef union drm_wait_vblank32 {
- struct drm_wait_vblank_request32 request;
- struct drm_wait_vblank_reply32 reply;
-} drm_wait_vblank32_t;
-
-static int compat_drm_wait_vblank(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_wait_vblank32_t __user *argp = (void __user *)arg;
- drm_wait_vblank32_t req32;
- union drm_wait_vblank __user *request;
- int err;
-
- if (copy_from_user(&req32, argp, sizeof(req32)))
- return -EFAULT;
-
- request = compat_alloc_user_space(sizeof(*request));
- if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
- || __put_user(req32.request.type, &request->request.type)
- || __put_user(req32.request.sequence, &request->request.sequence)
- || __put_user(req32.request.signal, &request->request.signal))
- return -EFAULT;
-
- err = drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_WAIT_VBLANK, (unsigned long)request);
- if (err)
- return err;
-
- if (__get_user(req32.reply.type, &request->reply.type)
- || __get_user(req32.reply.sequence, &request->reply.sequence)
- || __get_user(req32.reply.tval_sec, &request->reply.tval_sec)
- || __get_user(req32.reply.tval_usec, &request->reply.tval_usec))
- return -EFAULT;
-
- if (copy_to_user(argp, &req32, sizeof(req32)))
- return -EFAULT;
-
- return 0;
-}
-
-drm_ioctl_compat_t *drm_compat_ioctls[] = {
- [DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version,
- [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)] = compat_drm_getunique,
- [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP32)] = compat_drm_getmap,
- [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT32)] = compat_drm_getclient,
- [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS32)] = compat_drm_getstats,
- [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE32)] = compat_drm_setunique,
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP32)] = compat_drm_addmap,
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS32)] = compat_drm_addbufs,
- [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS32)] = compat_drm_markbufs,
- [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS32)] = compat_drm_infobufs,
- [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS32)] = compat_drm_mapbufs,
- [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS32)] = compat_drm_freebufs,
- [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP32)] = compat_drm_rmmap,
- [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX32)] = compat_drm_setsareactx,
- [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX32)] = compat_drm_getsareactx,
- [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX32)] = compat_drm_resctx,
- [DRM_IOCTL_NR(DRM_IOCTL_DMA32)] = compat_drm_dma,
-#if __OS_HAS_AGP
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE32)] = compat_drm_agp_enable,
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO32)] = compat_drm_agp_info,
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC32)] = compat_drm_agp_alloc,
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE32)] = compat_drm_agp_free,
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND32)] = compat_drm_agp_bind,
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND32)] = compat_drm_agp_unbind,
-#endif
- [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC32)] = compat_drm_sg_alloc,
- [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE32)] = compat_drm_sg_free,
- [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)] = compat_drm_wait_vblank,
-};
-
-/**
- * Called whenever a 32-bit process running under a 64-bit kernel
- * performs an ioctl on /dev/drm.
- *
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg user argument.
- * \return zero on success or negative number on failure.
- */
-long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
-{
- unsigned int nr = DRM_IOCTL_NR(cmd);
- drm_ioctl_compat_t *fn;
- int ret;
-
- /* Assume that ioctls without an explicit compat routine will just
- * work. This may not always be a good assumption, but it's better
- * than always failing.
- */
- if (nr >= ARRAY_SIZE(drm_compat_ioctls))
- return drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
-
- fn = drm_compat_ioctls[nr];
-
- lock_kernel(); /* XXX for now */
- if (fn != NULL)
- ret = (*fn) (filp, cmd, arg);
- else
- ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg);
- unlock_kernel();
-
- return ret;
-}
-
-EXPORT_SYMBOL(drm_compat_ioctl);