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path: root/drivers/gpu/drm/mga/mga_ioc32.c
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Diffstat (limited to 'drivers/gpu/drm/mga/mga_ioc32.c')
-rw-r--r--drivers/gpu/drm/mga/mga_ioc32.c197
1 files changed, 0 insertions, 197 deletions
diff --git a/drivers/gpu/drm/mga/mga_ioc32.c b/drivers/gpu/drm/mga/mga_ioc32.c
deleted file mode 100644
index 894472921c30..000000000000
--- a/drivers/gpu/drm/mga/mga_ioc32.c
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- * \file mga_ioc32.c
- *
- * 32-bit ioctl compatibility routines for the MGA 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 "mga_drv.h"
-
-typedef struct drm32_mga_init {
- int func;
- u32 sarea_priv_offset;
- struct_group(always32bit,
- int chipset;
- int sgram;
- unsigned int maccess;
- unsigned int fb_cpp;
- unsigned int front_offset, front_pitch;
- unsigned int back_offset, back_pitch;
- unsigned int depth_cpp;
- unsigned int depth_offset, depth_pitch;
- unsigned int texture_offset[MGA_NR_TEX_HEAPS];
- unsigned int texture_size[MGA_NR_TEX_HEAPS];
- );
- u32 fb_offset;
- u32 mmio_offset;
- u32 status_offset;
- u32 warp_offset;
- u32 primary_offset;
- u32 buffers_offset;
-} drm_mga_init32_t;
-
-static int compat_mga_init(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_mga_init32_t init32;
- drm_mga_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;
- memcpy(&init.always32bit, &init32.always32bit,
- sizeof(init32.always32bit));
- init.fb_offset = init32.fb_offset;
- init.mmio_offset = init32.mmio_offset;
- init.status_offset = init32.status_offset;
- init.warp_offset = init32.warp_offset;
- init.primary_offset = init32.primary_offset;
- init.buffers_offset = init32.buffers_offset;
-
- return drm_ioctl_kernel(file, mga_dma_init, &init,
- DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY);
-}
-
-typedef struct drm_mga_getparam32 {
- int param;
- u32 value;
-} drm_mga_getparam32_t;
-
-static int compat_mga_getparam(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_mga_getparam32_t getparam32;
- drm_mga_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, mga_getparam, &getparam, DRM_AUTH);
-}
-
-typedef struct drm_mga_drm_bootstrap32 {
- u32 texture_handle;
- u32 texture_size;
- u32 primary_size;
- u32 secondary_bin_count;
- u32 secondary_bin_size;
- u32 agp_mode;
- u8 agp_size;
-} drm_mga_dma_bootstrap32_t;
-
-static int compat_mga_dma_bootstrap(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- drm_mga_dma_bootstrap32_t dma_bootstrap32;
- drm_mga_dma_bootstrap_t dma_bootstrap;
- int err;
-
- if (copy_from_user(&dma_bootstrap32, (void __user *)arg,
- sizeof(dma_bootstrap32)))
- return -EFAULT;
-
- dma_bootstrap.texture_handle = dma_bootstrap32.texture_handle;
- dma_bootstrap.texture_size = dma_bootstrap32.texture_size;
- dma_bootstrap.primary_size = dma_bootstrap32.primary_size;
- dma_bootstrap.secondary_bin_count = dma_bootstrap32.secondary_bin_count;
- dma_bootstrap.secondary_bin_size = dma_bootstrap32.secondary_bin_size;
- dma_bootstrap.agp_mode = dma_bootstrap32.agp_mode;
- dma_bootstrap.agp_size = dma_bootstrap32.agp_size;
-
- err = drm_ioctl_kernel(file, mga_dma_bootstrap, &dma_bootstrap,
- DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY);
- if (err)
- return err;
-
- dma_bootstrap32.texture_handle = dma_bootstrap.texture_handle;
- dma_bootstrap32.texture_size = dma_bootstrap.texture_size;
- dma_bootstrap32.primary_size = dma_bootstrap.primary_size;
- dma_bootstrap32.secondary_bin_count = dma_bootstrap.secondary_bin_count;
- dma_bootstrap32.secondary_bin_size = dma_bootstrap.secondary_bin_size;
- dma_bootstrap32.agp_mode = dma_bootstrap.agp_mode;
- dma_bootstrap32.agp_size = dma_bootstrap.agp_size;
- if (copy_to_user((void __user *)arg, &dma_bootstrap32,
- sizeof(dma_bootstrap32)))
- return -EFAULT;
-
- return 0;
-}
-
-static struct {
- drm_ioctl_compat_t *fn;
- char *name;
-} mga_compat_ioctls[] = {
-#define DRM_IOCTL32_DEF(n, f)[DRM_##n] = {.fn = f, .name = #n}
- DRM_IOCTL32_DEF(MGA_INIT, compat_mga_init),
- DRM_IOCTL32_DEF(MGA_GETPARAM, compat_mga_getparam),
- DRM_IOCTL32_DEF(MGA_DMA_BOOTSTRAP, compat_mga_dma_bootstrap),
-};
-
-/**
- * mga_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 mga_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
-{
- unsigned int nr = DRM_IOCTL_NR(cmd);
- struct drm_file *file_priv = filp->private_data;
- 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(mga_compat_ioctls))
- return drm_ioctl(filp, cmd, arg);
-
- fn = mga_compat_ioctls[nr - DRM_COMMAND_BASE].fn;
- if (!fn)
- return drm_ioctl(filp, cmd, arg);
-
- DRM_DEBUG("pid=%d, dev=0x%lx, auth=%d, %s\n",
- task_pid_nr(current),
- (long)old_encode_dev(file_priv->minor->kdev->devt),
- file_priv->authenticated,
- mga_compat_ioctls[nr - DRM_COMMAND_BASE].name);
- ret = (*fn) (filp, cmd, arg);
- if (ret)
- DRM_DEBUG("ret = %d\n", ret);
- return ret;
-}
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-26 08:29:07 +0300