diff options
Diffstat (limited to 'linux-core/i915_ioc32.c')
| -rw-r--r-- | linux-core/i915_ioc32.c | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/linux-core/i915_ioc32.c b/linux-core/i915_ioc32.c deleted file mode 100644 index 0b8fff19..00000000 --- a/linux-core/i915_ioc32.c +++ /dev/null @@ -1,284 +0,0 @@ -/** - * \file i915_ioc32.c - * - * 32-bit ioctl compatibility routines for the i915 DRM. - * - * \author Alan Hourihane <alanh@fairlite.demon.co.uk> - * - * - * Copyright (C) Paul Mackerras 2005 - * Copyright (C) Alan Hourihane 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 "i915_drm.h" -#include "i915_drv.h" - -typedef struct _drm_i915_batchbuffer32 { - int start; /* agp offset */ - int used; /* nr bytes in use */ - int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */ - int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */ - int num_cliprects; /* mulitpass with multiple cliprects? */ - u32 cliprects; /* pointer to userspace cliprects */ -} drm_i915_batchbuffer32_t; - -static int compat_i915_batchbuffer(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_i915_batchbuffer32_t batchbuffer32; - drm_i915_batchbuffer_t __user *batchbuffer; - - if (copy_from_user - (&batchbuffer32, (void __user *)arg, sizeof(batchbuffer32))) - return -EFAULT; - - batchbuffer = compat_alloc_user_space(sizeof(*batchbuffer)); - if (!access_ok(VERIFY_WRITE, batchbuffer, sizeof(*batchbuffer)) - || __put_user(batchbuffer32.start, &batchbuffer->start) - || __put_user(batchbuffer32.used, &batchbuffer->used) - || __put_user(batchbuffer32.DR1, &batchbuffer->DR1) - || __put_user(batchbuffer32.DR4, &batchbuffer->DR4) - || __put_user(batchbuffer32.num_cliprects, - &batchbuffer->num_cliprects) - || __put_user((int __user *)(unsigned long)batchbuffer32.cliprects, - &batchbuffer->cliprects)) - return -EFAULT; - - return drm_ioctl(file->f_dentry->d_inode, file, - DRM_IOCTL_I915_BATCHBUFFER, - (unsigned long) batchbuffer); -} - -typedef struct _drm_i915_cmdbuffer32 { - u32 buf; /* pointer to userspace command buffer */ - int sz; /* nr bytes in buf */ - int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */ - int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */ - int num_cliprects; /* mulitpass with multiple cliprects? */ - u32 cliprects; /* pointer to userspace cliprects */ -} drm_i915_cmdbuffer32_t; - -static int compat_i915_cmdbuffer(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_i915_cmdbuffer32_t cmdbuffer32; - drm_i915_cmdbuffer_t __user *cmdbuffer; - - if (copy_from_user - (&cmdbuffer32, (void __user *)arg, sizeof(cmdbuffer32))) - return -EFAULT; - - cmdbuffer = compat_alloc_user_space(sizeof(*cmdbuffer)); - if (!access_ok(VERIFY_WRITE, cmdbuffer, sizeof(*cmdbuffer)) - || __put_user((int __user *)(unsigned long)cmdbuffer32.buf, - &cmdbuffer->buf) - || __put_user(cmdbuffer32.sz, &cmdbuffer->sz) - || __put_user(cmdbuffer32.DR1, &cmdbuffer->DR1) - || __put_user(cmdbuffer32.DR4, &cmdbuffer->DR4) - || __put_user(cmdbuffer32.num_cliprects, &cmdbuffer->num_cliprects) - || __put_user((int __user *)(unsigned long)cmdbuffer32.cliprects, - &cmdbuffer->cliprects)) - return -EFAULT; - - return drm_ioctl(file->f_dentry->d_inode, file, - DRM_IOCTL_I915_CMDBUFFER, (unsigned long) cmdbuffer); -} - -typedef struct drm_i915_irq_emit32 { - u32 irq_seq; -} drm_i915_irq_emit32_t; - -static int compat_i915_irq_emit(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_i915_irq_emit32_t req32; - drm_i915_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_I915_IRQ_EMIT, (unsigned long) request); -} -typedef struct drm_i915_getparam32 { - int param; - u32 value; -} drm_i915_getparam32_t; - -static int compat_i915_getparam(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_i915_getparam32_t req32; - drm_i915_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_I915_GETPARAM, (unsigned long) request); -} - -typedef struct drm_i915_mem_alloc32 { - int region; - int alignment; - int size; - u32 region_offset; /* offset from start of fb or agp */ -} drm_i915_mem_alloc32_t; - -static int compat_i915_alloc(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_i915_mem_alloc32_t req32; - drm_i915_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((void __user *)(unsigned long)req32.region_offset, - &request->region_offset)) - return -EFAULT; - - return drm_ioctl(file->f_dentry->d_inode, file, - DRM_IOCTL_I915_ALLOC, (unsigned long) request); -} - -typedef struct drm_i915_execbuffer32 { - uint64_t ops_list; - uint32_t num_buffers; - struct _drm_i915_batchbuffer32 batch; - drm_context_t context; - struct drm_fence_arg fence_arg; -} drm_i915_execbuffer32_t; - -static int compat_i915_execbuffer(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_i915_execbuffer32_t req32; - struct drm_i915_execbuffer __user *request; - int err; - - 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.ops_list, &request->ops_list) - || __put_user(req32.num_buffers, &request->num_buffers) - || __put_user(req32.context, &request->context) - || __copy_to_user(&request->fence_arg, &req32.fence_arg, - sizeof(req32.fence_arg)) - || __put_user(req32.batch.start, &request->batch.start) - || __put_user(req32.batch.used, &request->batch.used) - || __put_user(req32.batch.DR1, &request->batch.DR1) - || __put_user(req32.batch.DR4, &request->batch.DR4) - || __put_user(req32.batch.num_cliprects, - &request->batch.num_cliprects) - || __put_user((int __user *)(unsigned long)req32.batch.cliprects, - &request->batch.cliprects)) - return -EFAULT; - - err = drm_ioctl(file->f_dentry->d_inode, file, - DRM_IOCTL_I915_EXECBUFFER, (unsigned long)request); - - if (err) - return err; - - if (__get_user(req32.fence_arg.handle, &request->fence_arg.handle) - || __get_user(req32.fence_arg.fence_class, &request->fence_arg.fence_class) - || __get_user(req32.fence_arg.type, &request->fence_arg.type) - || __get_user(req32.fence_arg.flags, &request->fence_arg.flags) - || __get_user(req32.fence_arg.signaled, &request->fence_arg.signaled) - || __get_user(req32.fence_arg.error, &request->fence_arg.error) - || __get_user(req32.fence_arg.sequence, &request->fence_arg.sequence)) - return -EFAULT; - - if (copy_to_user((void __user *)arg, &req32, sizeof(req32))) - return -EFAULT; - - return 0; -} - - -drm_ioctl_compat_t *i915_compat_ioctls[] = { - [DRM_I915_BATCHBUFFER] = compat_i915_batchbuffer, - [DRM_I915_CMDBUFFER] = compat_i915_cmdbuffer, - [DRM_I915_GETPARAM] = compat_i915_getparam, - [DRM_I915_IRQ_EMIT] = compat_i915_irq_emit, - [DRM_I915_ALLOC] = compat_i915_alloc, -#ifdef I915_HAVE_BUFFER - [DRM_I915_EXECBUFFER] = compat_i915_execbuffer, -#endif -}; - -/** - * 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 i915_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(i915_compat_ioctls)) - fn = i915_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; -} |