geemili
/
drm
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

i915: i915_execbuffer ioctl32 routine, fix #13732

main
Xiang, Haihao 2007-12-25 16:57:14 +08:00
parent da3601e43a
commit 5d8d64ad38
1 changed files with 44 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
linux-core/i915_ioc32.c
View File

@ -34,6 +34,7 @@
#include "drmP.h"
#include "drm.h"
#include "i915_drm.h"
#include "i915_drv.h"
typedef struct _drm_i915_batchbuffer32 {
int start; /* agp offset */
@ -182,13 +183,55 @@ static int compat_i915_alloc(struct file *file, unsigned int cmd,
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;
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;
return drm_ioctl(file->f_dentry->d_inode, file,
DRM_IOCTL_I915_EXECBUFFER, (unsigned long)request);
}
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
[DRM_I915_ALLOC] = compat_i915_alloc,
#ifdef I915_HAVE_BUFFER
[DRM_I915_EXECBUFFER] = compat_i915_execbuffer,
#endif
};
/**