Commit 8678887e authored by Linus Torvalds's avatar Linus Torvalds
parents bf82322e 9a186645
...@@ -19,6 +19,11 @@ radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o ...@@ -19,6 +19,11 @@ radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o
ffb-objs := ffb_drv.o ffb_context.o ffb-objs := ffb_drv.o ffb_context.o
sis-objs := sis_drv.o sis_ds.o sis_mm.o sis-objs := sis_drv.o sis_ds.o sis_mm.o
ifeq ($(CONFIG_COMPAT),y)
drm-objs += drm_ioc32.o
radeon-objs += radeon_ioc32.o
endif
obj-$(CONFIG_DRM) += drm.o obj-$(CONFIG_DRM) += drm.o
obj-$(CONFIG_DRM_GAMMA) += gamma.o obj-$(CONFIG_DRM_GAMMA) += gamma.o
obj-$(CONFIG_DRM_TDFX) += tdfx.o obj-$(CONFIG_DRM_TDFX) += tdfx.o
......
...@@ -316,6 +316,9 @@ do { \ ...@@ -316,6 +316,9 @@ do { \
typedef int drm_ioctl_t( struct inode *inode, struct file *filp, typedef int drm_ioctl_t( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg ); unsigned int cmd, unsigned long arg );
typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd,
unsigned long arg);
typedef struct drm_ioctl_desc { typedef struct drm_ioctl_desc {
drm_ioctl_t *func; drm_ioctl_t *func;
int auth_needed; int auth_needed;
...@@ -775,6 +778,8 @@ extern int drm_version(struct inode *inode, struct file *filp, ...@@ -775,6 +778,8 @@ extern int drm_version(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg); unsigned int cmd, unsigned long arg);
extern int drm_ioctl(struct inode *inode, struct file *filp, extern int drm_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg); unsigned int cmd, unsigned long arg);
extern long drm_compat_ioctl(struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_takedown(drm_device_t * dev); extern int drm_takedown(drm_device_t * dev);
/* Device support (drm_fops.h) */ /* Device support (drm_fops.h) */
......
...@@ -60,6 +60,15 @@ int drm_order( unsigned long size ) ...@@ -60,6 +60,15 @@ int drm_order( unsigned long size )
} }
EXPORT_SYMBOL(drm_order); EXPORT_SYMBOL(drm_order);
#ifdef CONFIG_COMPAT
/*
* Used to allocate 32-bit handles for _DRM_SHM regions
* The 0x10000000 value is chosen to be out of the way of
* FB/register and GART physical addresses.
*/
static unsigned int map32_handle = 0x10000000;
#endif
/** /**
* Ioctl to specify a range of memory that is available for mapping by a non-root process. * Ioctl to specify a range of memory that is available for mapping by a non-root process.
* *
...@@ -187,16 +196,18 @@ int drm_addmap( struct inode *inode, struct file *filp, ...@@ -187,16 +196,18 @@ int drm_addmap( struct inode *inode, struct file *filp,
down(&dev->struct_sem); down(&dev->struct_sem);
list_add(&list->head, &dev->maplist->head); list_add(&list->head, &dev->maplist->head);
#ifdef CONFIG_COMPAT
/* Assign a 32-bit handle for _DRM_SHM mappings */
/* We do it here so that dev->struct_sem protects the increment */
if (map->type == _DRM_SHM)
map->offset = map32_handle += PAGE_SIZE;
#endif
up(&dev->struct_sem); up(&dev->struct_sem);
if ( copy_to_user( argp, map, sizeof(*map) ) ) if ( copy_to_user( argp, map, sizeof(*map) ) )
return -EFAULT; return -EFAULT;
if ( map->type != _DRM_SHM ) { if (copy_to_user(&argp->handle, &map->offset, sizeof(map->offset)))
if ( copy_to_user( &argp->handle, return -EFAULT;
&map->offset,
sizeof(map->offset) ) )
return -EFAULT;
}
return 0; return 0;
} }
...@@ -240,7 +251,7 @@ int drm_rmmap(struct inode *inode, struct file *filp, ...@@ -240,7 +251,7 @@ int drm_rmmap(struct inode *inode, struct file *filp,
r_list = list_entry(list, drm_map_list_t, head); r_list = list_entry(list, drm_map_list_t, head);
if(r_list->map && if(r_list->map &&
r_list->map->handle == request.handle && r_list->map->offset == (unsigned long) request.handle &&
r_list->map->flags & _DRM_REMOVABLE) break; r_list->map->flags & _DRM_REMOVABLE) break;
} }
......
...@@ -225,7 +225,7 @@ int drm_getsareactx(struct inode *inode, struct file *filp, ...@@ -225,7 +225,7 @@ int drm_getsareactx(struct inode *inode, struct file *filp,
map = dev->context_sareas[request.ctx_id]; map = dev->context_sareas[request.ctx_id];
up(&dev->struct_sem); up(&dev->struct_sem);
request.handle = map->handle; request.handle = (void *) map->offset;
if (copy_to_user(argp, &request, sizeof(request))) if (copy_to_user(argp, &request, sizeof(request)))
return -EFAULT; return -EFAULT;
return 0; return 0;
...@@ -261,8 +261,8 @@ int drm_setsareactx(struct inode *inode, struct file *filp, ...@@ -261,8 +261,8 @@ int drm_setsareactx(struct inode *inode, struct file *filp,
down(&dev->struct_sem); down(&dev->struct_sem);
list_for_each(list, &dev->maplist->head) { list_for_each(list, &dev->maplist->head) {
r_list = list_entry(list, drm_map_list_t, head); r_list = list_entry(list, drm_map_list_t, head);
if(r_list->map && if (r_list->map
r_list->map->handle == request.handle) && r_list->map->offset == (unsigned long) request.handle)
goto found; goto found;
} }
bad: bad:
......
/**
* \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 <linux/ioctl32.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;
drm_version_t __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_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;
drm_unique_t __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_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;
drm_unique_t __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_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) */
drm_map_type_t type; /**< Type of memory to map */
drm_map_flags_t 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;
drm_map_t __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_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;
drm_map_t __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_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;
drm_map_t __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_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;
drm_client_t __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_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;
drm_stat_type_t 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;
drm_stats_t __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_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;
drm_buf_desc_t __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_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;
drm_buf_desc_t __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_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;
drm_buf_info_t __user *request;
drm_buf_desc_t __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(drm_buf_desc_t);
request = compat_alloc_user_space(nbytes);
if (!access_ok(VERIFY_WRITE, request, nbytes))
return -EFAULT;
list = (drm_buf_desc_t *) (request + 1);
if (__put_user(count, &request->count)
|| __put_user(list, &request->list))
return -EFAULT;
err = drm_ioctl(file->f_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(drm_buf_desc_t, 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;
drm_buf_map_t __user *request;
drm_buf_pub_t __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(drm_buf_pub_t);
request = compat_alloc_user_space(nbytes);
if (!access_ok(VERIFY_WRITE, request, nbytes))
return -EFAULT;
list = (drm_buf_pub_t *) (request + 1);
if (__put_user(count, &request->count)
|| __put_user(list, &request->list))
return -EFAULT;
err = drm_ioctl(file->f_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(drm_buf_pub_t, 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;
drm_buf_free_t __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_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;
drm_ctx_priv_map_t __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_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)
{
drm_ctx_priv_map_t __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_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;
drm_ctx_res_t __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((drm_ctx_t __user *)(unsigned long) res32.contexts,
&res->contexts))
return -EFAULT;
err = drm_ioctl(file->f_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 */
drm_dma_flags_t 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;
drm_dma_t __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_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;
drm_agp_mode_t __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_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;
drm_agp_info_t __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_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;
drm_agp_buffer_t __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_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_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;
drm_agp_buffer_t __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_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;
drm_agp_binding_t __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_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;
drm_agp_binding_t __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_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;
drm_scatter_gather_t __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_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;
drm_scatter_gather_t __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_dentry->d_inode, file,
DRM_IOCTL_SG_FREE, (unsigned long) request);
}
struct drm_wait_vblank_request32 {
drm_vblank_seq_type_t type;
unsigned int sequence;
u32 signal;
};
struct drm_wait_vblank_reply32 {
drm_vblank_seq_type_t 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;
drm_wait_vblank_t __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_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 filp file pointer.
* \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;
if (nr >= DRM_ARRAY_SIZE(drm_compat_ioctls))
return -ENOTTY;
fn = drm_compat_ioctls[nr];
lock_kernel(); /* XXX for now */
if (fn != NULL)
ret = (*fn)(filp, cmd, arg);
else
ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
unlock_kernel();
return ret;
}
EXPORT_SYMBOL(drm_compat_ioctl);
...@@ -101,6 +101,9 @@ static struct drm_driver driver = { ...@@ -101,6 +101,9 @@ static struct drm_driver driver = {
.mmap = drm_mmap, .mmap = drm_mmap,
.poll = drm_poll, .poll = drm_poll,
.fasync = drm_fasync, .fasync = drm_fasync,
#ifdef CONFIG_COMPAT
.compat_ioctl = radeon_compat_ioctl,
#endif
}, },
.pci_driver = { .pci_driver = {
.name = DRIVER_NAME, .name = DRIVER_NAME,
......
...@@ -317,6 +317,9 @@ extern int radeon_preinit( struct drm_device *dev, unsigned long flags ); ...@@ -317,6 +317,9 @@ extern int radeon_preinit( struct drm_device *dev, unsigned long flags );
extern int radeon_postinit( struct drm_device *dev, unsigned long flags ); extern int radeon_postinit( struct drm_device *dev, unsigned long flags );
extern int radeon_postcleanup( struct drm_device *dev ); extern int radeon_postcleanup( struct drm_device *dev );
extern long radeon_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
/* Flags for stats.boxes /* Flags for stats.boxes
*/ */
#define RADEON_BOX_DMA_IDLE 0x1 #define RADEON_BOX_DMA_IDLE 0x1
......
/**
* \file radeon_ioc32.c
*
* 32-bit ioctl compatibility routines for the Radeon 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 <linux/ioctl32.h>
#include "drmP.h"
#include "drm.h"
#include "radeon_drm.h"
#include "radeon_drv.h"
typedef struct drm_radeon_init32 {
int func;
u32 sarea_priv_offset;
int is_pci;
int cp_mode;
int gart_size;
int ring_size;
int usec_timeout;
unsigned int fb_bpp;
unsigned int front_offset, front_pitch;
unsigned int back_offset, back_pitch;
unsigned int depth_bpp;
unsigned int depth_offset, depth_pitch;
u32 fb_offset;
u32 mmio_offset;
u32 ring_offset;
u32 ring_rptr_offset;
u32 buffers_offset;
u32 gart_textures_offset;
} drm_radeon_init32_t;
static int compat_radeon_cp_init(struct file *file, unsigned int cmd,
unsigned long arg)
{
drm_radeon_init32_t init32;
drm_radeon_init_t __user *init;
if (copy_from_user(&init32, (void __user *)arg, sizeof(init32)))
return -EFAULT;
init = compat_alloc_user_space(sizeof(*init));
if (!access_ok(VERIFY_WRITE, init, sizeof(*init))
|| __put_user(init32.func, &init->func)
|| __put_user(init32.sarea_priv_offset, &init->sarea_priv_offset)
|| __put_user(init32.is_pci, &init->is_pci)
|| __put_user(init32.cp_mode, &init->cp_mode)
|| __put_user(init32.gart_size, &init->gart_size)
|| __put_user(init32.ring_size, &init->ring_size)
|| __put_user(init32.usec_timeout, &init->usec_timeout)
|| __put_user(init32.fb_bpp, &init->fb_bpp)
|| __put_user(init32.front_offset, &init->front_offset)
|| __put_user(init32.front_pitch, &init->front_pitch)
|| __put_user(init32.back_offset, &init->back_offset)
|| __put_user(init32.back_pitch, &init->back_pitch)
|| __put_user(init32.depth_bpp, &init->depth_bpp)
|| __put_user(init32.depth_offset, &init->depth_offset)
|| __put_user(init32.depth_pitch, &init->depth_pitch)
|| __put_user(init32.fb_offset, &init->fb_offset)
|| __put_user(init32.mmio_offset, &init->mmio_offset)
|| __put_user(init32.ring_offset, &init->ring_offset)
|| __put_user(init32.ring_rptr_offset, &init->ring_rptr_offset)
|| __put_user(init32.buffers_offset, &init->buffers_offset)
|| __put_user(init32.gart_textures_offset,
&init->gart_textures_offset))
return -EFAULT;
return drm_ioctl(file->f_dentry->d_inode, file,
DRM_IOCTL_RADEON_CP_INIT, (unsigned long) init);
}
typedef struct drm_radeon_clear32 {
unsigned int flags;
unsigned int clear_color;
unsigned int clear_depth;
unsigned int color_mask;
unsigned int depth_mask; /* misnamed field: should be stencil */
u32 depth_boxes;
} drm_radeon_clear32_t;
static int compat_radeon_cp_clear(struct file *file, unsigned int cmd,
unsigned long arg)
{
drm_radeon_clear32_t clr32;
drm_radeon_clear_t __user *clr;
if (copy_from_user(&clr32, (void __user *)arg, sizeof(clr32)))
return -EFAULT;
clr = compat_alloc_user_space(sizeof(*clr));
if (!access_ok(VERIFY_WRITE, clr, sizeof(*clr))
|| __put_user(clr32.flags, &clr->flags)
|| __put_user(clr32.clear_color, &clr->clear_color)
|| __put_user(clr32.clear_depth, &clr->clear_depth)
|| __put_user(clr32.color_mask, &clr->color_mask)
|| __put_user(clr32.depth_mask, &clr->depth_mask)
|| __put_user((void __user *)(unsigned long)clr32.depth_boxes,
&clr->depth_boxes))
return -EFAULT;
return drm_ioctl(file->f_dentry->d_inode, file,
DRM_IOCTL_RADEON_CLEAR, (unsigned long) clr);
}
typedef struct drm_radeon_stipple32 {
u32 mask;
} drm_radeon_stipple32_t;
static int compat_radeon_cp_stipple(struct file *file, unsigned int cmd,
unsigned long arg)
{
drm_radeon_stipple32_t __user *argp = (void __user *) arg;
drm_radeon_stipple_t __user *request;
u32 mask;
if (get_user(mask, &argp->mask))
return -EFAULT;
request = compat_alloc_user_space(sizeof(*request));
if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
|| __put_user((unsigned int __user *)(unsigned long) mask,
&request->mask))
return -EFAULT;
return drm_ioctl(file->f_dentry->d_inode, file,
DRM_IOCTL_RADEON_STIPPLE, (unsigned long) request);
}
typedef struct drm_radeon_tex_image32 {
unsigned int x, y; /* Blit coordinates */
unsigned int width, height;
u32 data;
} drm_radeon_tex_image32_t;
typedef struct drm_radeon_texture32 {
unsigned int offset;
int pitch;
int format;
int width; /* Texture image coordinates */
int height;
u32 image;
} drm_radeon_texture32_t;
static int compat_radeon_cp_texture(struct file *file, unsigned int cmd,
unsigned long arg)
{
drm_radeon_texture32_t req32;
drm_radeon_texture_t __user *request;
drm_radeon_tex_image32_t img32;
drm_radeon_tex_image_t __user *image;
if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
return -EFAULT;
if (req32.image == 0)
return -EINVAL;
if (copy_from_user(&img32, (void __user *)(unsigned long)req32.image,
sizeof(img32)))
return -EFAULT;
request = compat_alloc_user_space(sizeof(*request) + sizeof(*image));
if (!access_ok(VERIFY_WRITE, request,
sizeof(*request) + sizeof(*image)))
return -EFAULT;
image = (drm_radeon_tex_image_t __user *) (request + 1);
if (__put_user(req32.offset, &request->offset)
|| __put_user(req32.pitch, &request->pitch)
|| __put_user(req32.format, &request->format)
|| __put_user(req32.width, &request->width)
|| __put_user(req32.height, &request->height)
|| __put_user(image, &request->image)
|| __put_user(img32.x, &image->x)
|| __put_user(img32.y, &image->y)
|| __put_user(img32.width, &image->width)
|| __put_user(img32.height, &image->height)
|| __put_user((const void __user *)(unsigned long)img32.data,
&image->data))
return -EFAULT;
return drm_ioctl(file->f_dentry->d_inode, file,
DRM_IOCTL_RADEON_TEXTURE, (unsigned long) request);
}
typedef struct drm_radeon_vertex2_32 {
int idx; /* Index of vertex buffer */
int discard; /* Client finished with buffer? */
int nr_states;
u32 state;
int nr_prims;
u32 prim;
} drm_radeon_vertex2_32_t;
static int compat_radeon_cp_vertex2(struct file *file, unsigned int cmd,
unsigned long arg)
{
drm_radeon_vertex2_32_t req32;
drm_radeon_vertex2_t __user *request;
if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
return -EFAULT;
request = compat_alloc_user_space(sizeof(*request));
if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
|| __put_user(req32.idx, &request->idx)
|| __put_user(req32.discard, &request->discard)
|| __put_user(req32.nr_states, &request->nr_states)
|| __put_user((void __user *)(unsigned long)req32.state,
&request->state)
|| __put_user(req32.nr_prims, &request->nr_prims)
|| __put_user((void __user *)(unsigned long)req32.prim,
&request->prim))
return -EFAULT;
return drm_ioctl(file->f_dentry->d_inode, file,
DRM_IOCTL_RADEON_VERTEX2, (unsigned long) request);
}
typedef struct drm_radeon_cmd_buffer32 {
int bufsz;
u32 buf;
int nbox;
u32 boxes;
} drm_radeon_cmd_buffer32_t;
static int compat_radeon_cp_cmdbuf(struct file *file, unsigned int cmd,
unsigned long arg)
{
drm_radeon_cmd_buffer32_t req32;
drm_radeon_cmd_buffer_t __user *request;
if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
return -EFAULT;
request = compat_alloc_user_space(sizeof(*request));
if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
|| __put_user(req32.bufsz, &request->bufsz)
|| __put_user((void __user *)(unsigned long)req32.buf,
&request->buf)
|| __put_user(req32.nbox, &request->nbox)
|| __put_user((void __user *)(unsigned long)req32.boxes,
&request->boxes))
return -EFAULT;
return drm_ioctl(file->f_dentry->d_inode, file,
DRM_IOCTL_RADEON_CMDBUF, (unsigned long) request);
}
typedef struct drm_radeon_getparam32 {
int param;
u32 value;
} drm_radeon_getparam32_t;
static int compat_radeon_cp_getparam(struct file *file, unsigned int cmd,
unsigned long arg)
{
drm_radeon_getparam32_t req32;
drm_radeon_getparam_t __user *request;
if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
return -EFAULT;
request = compat_alloc_user_space(sizeof(*request));
if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
|| __put_user(req32.param, &request->param)
|| __put_user((void __user *)(unsigned long)req32.value,
&request->value))
return -EFAULT;
return drm_ioctl(file->f_dentry->d_inode, file,
DRM_IOCTL_RADEON_GETPARAM, (unsigned long) request);
}
typedef struct drm_radeon_mem_alloc32 {
int region;
int alignment;
int size;
u32 region_offset; /* offset from start of fb or GART */
} drm_radeon_mem_alloc32_t;
static int compat_radeon_mem_alloc(struct file *file, unsigned int cmd,
unsigned long arg)
{
drm_radeon_mem_alloc32_t req32;
drm_radeon_mem_alloc_t __user *request;
if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
return -EFAULT;
request = compat_alloc_user_space(sizeof(*request));
if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
|| __put_user(req32.region, &request->region)
|| __put_user(req32.alignment, &request->alignment)
|| __put_user(req32.size, &request->size)
|| __put_user((int __user *)(unsigned long)req32.region_offset,
&request->region_offset))
return -EFAULT;
return drm_ioctl(file->f_dentry->d_inode, file,
DRM_IOCTL_RADEON_ALLOC, (unsigned long) request);
}
typedef struct drm_radeon_irq_emit32 {
u32 irq_seq;
} drm_radeon_irq_emit32_t;
static int compat_radeon_irq_emit(struct file *file, unsigned int cmd,
unsigned long arg)
{
drm_radeon_irq_emit32_t req32;
drm_radeon_irq_emit_t __user *request;
if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
return -EFAULT;
request = compat_alloc_user_space(sizeof(*request));
if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
|| __put_user((int __user *)(unsigned long)req32.irq_seq,
&request->irq_seq))
return -EFAULT;
return drm_ioctl(file->f_dentry->d_inode, file,
DRM_IOCTL_RADEON_IRQ_EMIT, (unsigned long) request);
}
drm_ioctl_compat_t *radeon_compat_ioctls[] = {
[DRM_RADEON_CP_INIT] = compat_radeon_cp_init,
[DRM_RADEON_CLEAR] = compat_radeon_cp_clear,
[DRM_RADEON_STIPPLE] = compat_radeon_cp_stipple,
[DRM_RADEON_TEXTURE] = compat_radeon_cp_texture,
[DRM_RADEON_VERTEX2] = compat_radeon_cp_vertex2,
[DRM_RADEON_CMDBUF] = compat_radeon_cp_cmdbuf,
[DRM_RADEON_GETPARAM] = compat_radeon_cp_getparam,
[DRM_RADEON_ALLOC] = compat_radeon_mem_alloc,
[DRM_RADEON_IRQ_EMIT] = compat_radeon_irq_emit,
};
/**
* Called whenever a 32-bit process running under a 64-bit kernel
* performs an ioctl on /dev/dri/card<n>.
*
* \param filp file pointer.
* \param cmd command.
* \param arg user argument.
* \return zero on success or negative number on failure.
*/
long radeon_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg)
{
unsigned int nr = DRM_IOCTL_NR(cmd);
drm_ioctl_compat_t *fn = NULL;
int ret;
if (nr < DRM_COMMAND_BASE)
return drm_compat_ioctl(filp, cmd, arg);
if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(radeon_compat_ioctls))
fn = radeon_compat_ioctls[nr - DRM_COMMAND_BASE];
lock_kernel(); /* XXX for now */
if (fn != NULL)
ret = (*fn)(filp, cmd, arg);
else
ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
unlock_kernel();
return ret;
}
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