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path: root/drivers/char/drm/r128_ioc32.c
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Diffstat (limited to 'drivers/char/drm/r128_ioc32.c')
-rw-r--r--drivers/char/drm/r128_ioc32.c221
1 files changed, 0 insertions, 221 deletions
diff --git a/drivers/char/drm/r128_ioc32.c b/drivers/char/drm/r128_ioc32.c
deleted file mode 100644
index d3cb676eee8..00000000000
--- a/drivers/char/drm/r128_ioc32.c
+++ /dev/null
@@ -1,221 +0,0 @@
-/**
- * \file r128_ioc32.c
- *
- * 32-bit ioctl compatibility routines for the R128 DRM.
- *
- * \author Dave Airlie <airlied@linux.ie> with code from patches by Egbert Eich
- *
- * Copyright (C) Paul Mackerras 2005
- * Copyright (C) Egbert Eich 2003,2004
- * Copyright (C) Dave Airlie 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.h"
-#include "r128_drm.h"
-
-typedef struct drm_r128_init32 {
- int func;
- unsigned int sarea_priv_offset;
- int is_pci;
- int cce_mode;
- int cce_secure;
- 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;
- unsigned int span_offset;
-
- unsigned int fb_offset;
- unsigned int mmio_offset;
- unsigned int ring_offset;
- unsigned int ring_rptr_offset;
- unsigned int buffers_offset;
- unsigned int agp_textures_offset;
-} drm_r128_init32_t;
-
-static int compat_r128_init(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_r128_init32_t init32;
- drm_r128_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.cce_mode, &init->cce_mode)
- || __put_user(init32.cce_secure, &init->cce_secure)
- || __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.span_offset, &init->span_offset)
- || __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.agp_textures_offset,
- &init->agp_textures_offset))
- return -EFAULT;
-
- return drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_R128_INIT, (unsigned long)init);
-}
-
-typedef struct drm_r128_depth32 {
- int func;
- int n;
- u32 x;
- u32 y;
- u32 buffer;
- u32 mask;
-} drm_r128_depth32_t;
-
-static int compat_r128_depth(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_r128_depth32_t depth32;
- drm_r128_depth_t __user *depth;
-
- if (copy_from_user(&depth32, (void __user *)arg, sizeof(depth32)))
- return -EFAULT;
-
- depth = compat_alloc_user_space(sizeof(*depth));
- if (!access_ok(VERIFY_WRITE, depth, sizeof(*depth))
- || __put_user(depth32.func, &depth->func)
- || __put_user(depth32.n, &depth->n)
- || __put_user((int __user *)(unsigned long)depth32.x, &depth->x)
- || __put_user((int __user *)(unsigned long)depth32.y, &depth->y)
- || __put_user((unsigned int __user *)(unsigned long)depth32.buffer,
- &depth->buffer)
- || __put_user((unsigned char __user *)(unsigned long)depth32.mask,
- &depth->mask))
- return -EFAULT;
-
- return drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_R128_DEPTH, (unsigned long)depth);
-
-}
-
-typedef struct drm_r128_stipple32 {
- u32 mask;
-} drm_r128_stipple32_t;
-
-static int compat_r128_stipple(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_r128_stipple32_t stipple32;
- drm_r128_stipple_t __user *stipple;
-
- if (copy_from_user(&stipple32, (void __user *)arg, sizeof(stipple32)))
- return -EFAULT;
-
- stipple = compat_alloc_user_space(sizeof(*stipple));
- if (!access_ok(VERIFY_WRITE, stipple, sizeof(*stipple))
- || __put_user((unsigned int __user *)(unsigned long)stipple32.mask,
- &stipple->mask))
- return -EFAULT;
-
- return drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_R128_STIPPLE, (unsigned long)stipple);
-}
-
-typedef struct drm_r128_getparam32 {
- int param;
- u32 value;
-} drm_r128_getparam32_t;
-
-static int compat_r128_getparam(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_r128_getparam32_t getparam32;
- drm_r128_getparam_t __user *getparam;
-
- if (copy_from_user(&getparam32, (void __user *)arg, sizeof(getparam32)))
- return -EFAULT;
-
- getparam = compat_alloc_user_space(sizeof(*getparam));
- if (!access_ok(VERIFY_WRITE, getparam, sizeof(*getparam))
- || __put_user(getparam32.param, &getparam->param)
- || __put_user((void __user *)(unsigned long)getparam32.value,
- &getparam->value))
- return -EFAULT;
-
- return drm_ioctl(file->f_path.dentry->d_inode, file,
- DRM_IOCTL_R128_GETPARAM, (unsigned long)getparam);
-}
-
-drm_ioctl_compat_t *r128_compat_ioctls[] = {
- [DRM_R128_INIT] = compat_r128_init,
- [DRM_R128_DEPTH] = compat_r128_depth,
- [DRM_R128_STIPPLE] = compat_r128_stipple,
- [DRM_R128_GETPARAM] = compat_r128_getparam,
-};
-
-/**
- * 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 r128_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(r128_compat_ioctls))
- fn = r128_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_path.dentry->d_inode, filp, cmd, arg);
- unlock_kernel();
-
- return ret;
-}