diff options
| -rw-r--r-- | linux-core/i915_ioc32.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/linux-core/i915_ioc32.c b/linux-core/i915_ioc32.c index 97b147f7..fe009e1b 100644 --- a/linux-core/i915_ioc32.c +++ b/linux-core/i915_ioc32.c @@ -103,10 +103,89 @@ static int compat_i915_cmdbuffer(struct file *file, unsigned int cmd, 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); +} + 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 }; /** |