diff options
Diffstat (limited to 'drivers/gpu/drm/r128/r128_ioc32.c')
| -rw-r--r-- | drivers/gpu/drm/r128/r128_ioc32.c | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/drivers/gpu/drm/r128/r128_ioc32.c b/drivers/gpu/drm/r128/r128_ioc32.c deleted file mode 100644 index cdeb1db87222..000000000000 --- a/drivers/gpu/drm/r128/r128_ioc32.c +++ /dev/null @@ -1,199 +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 <drm/r128_drm.h> - -#include "r128_drv.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 init; - - if (copy_from_user(&init32, (void __user *)arg, sizeof(init32))) - return -EFAULT; - - init.func = init32.func; - init.sarea_priv_offset = init32.sarea_priv_offset; - init.is_pci = init32.is_pci; - init.cce_mode = init32.cce_mode; - init.cce_secure = init32.cce_secure; - init.ring_size = init32.ring_size; - init.usec_timeout = init32.usec_timeout; - init.fb_bpp = init32.fb_bpp; - init.front_offset = init32.front_offset; - init.front_pitch = init32.front_pitch; - init.back_offset = init32.back_offset; - init.back_pitch = init32.back_pitch; - init.depth_bpp = init32.depth_bpp; - init.depth_offset = init32.depth_offset; - init.depth_pitch = init32.depth_pitch; - init.span_offset = init32.span_offset; - init.fb_offset = init32.fb_offset; - init.mmio_offset = init32.mmio_offset; - init.ring_offset = init32.ring_offset; - init.ring_rptr_offset = init32.ring_rptr_offset; - init.buffers_offset = init32.buffers_offset; - init.agp_textures_offset = init32.agp_textures_offset; - - return drm_ioctl_kernel(file, r128_cce_init, &init, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); -} - -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 depth; - - if (copy_from_user(&depth32, (void __user *)arg, sizeof(depth32))) - return -EFAULT; - - depth.func = depth32.func; - depth.n = depth32.n; - depth.x = compat_ptr(depth32.x); - depth.y = compat_ptr(depth32.y); - depth.buffer = compat_ptr(depth32.buffer); - depth.mask = compat_ptr(depth32.mask); - - return drm_ioctl_kernel(file, r128_cce_depth, &depth, DRM_AUTH); -} - -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 stipple; - - if (copy_from_user(&stipple32, (void __user *)arg, sizeof(stipple32))) - return -EFAULT; - - stipple.mask = compat_ptr(stipple32.mask); - - return drm_ioctl_kernel(file, r128_cce_stipple, &stipple, DRM_AUTH); -} - -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 getparam; - - if (copy_from_user(&getparam32, (void __user *)arg, sizeof(getparam32))) - return -EFAULT; - - getparam.param = getparam32.param; - getparam.value = compat_ptr(getparam32.value); - - return drm_ioctl_kernel(file, r128_getparam, &getparam, DRM_AUTH); -} - -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, -}; - -/** - * r128_compat_ioctl - Called whenever a 32-bit process running under - * a 64-bit kernel performs an ioctl on /dev/dri/card<n>. - * - * @filp: file pointer. - * @cmd: command. - * @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 + ARRAY_SIZE(r128_compat_ioctls)) - fn = r128_compat_ioctls[nr - DRM_COMMAND_BASE]; - - if (fn != NULL) - ret = (*fn) (filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - - return ret; -} |