diff options
Diffstat (limited to 'drivers/char/drm/i915_mem.c')
| -rw-r--r-- | drivers/char/drm/i915_mem.c | 58 |
1 files changed, 23 insertions, 35 deletions
diff --git a/drivers/char/drm/i915_mem.c b/drivers/char/drm/i915_mem.c index fa279da5be2c..56fb9b30a5d7 100644 --- a/drivers/char/drm/i915_mem.c +++ b/drivers/char/drm/i915_mem.c @@ -268,11 +268,11 @@ static struct mem_block **get_heap(drm_i915_private_t * dev_priv, int region) /* IOCTL HANDLERS */ -int i915_mem_alloc(DRM_IOCTL_ARGS) +int i915_mem_alloc(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_mem_alloc_t alloc; + drm_i915_mem_alloc_t *alloc = data; struct mem_block *block, **heap; if (!dev_priv) { @@ -280,27 +280,25 @@ int i915_mem_alloc(DRM_IOCTL_ARGS) return -EINVAL; } - DRM_COPY_FROM_USER_IOCTL(alloc, (drm_i915_mem_alloc_t __user *) data, - sizeof(alloc)); - - heap = get_heap(dev_priv, alloc.region); + heap = get_heap(dev_priv, alloc->region); if (!heap || !*heap) return -EFAULT; /* Make things easier on ourselves: all allocations at least * 4k aligned. */ - if (alloc.alignment < 12) - alloc.alignment = 12; + if (alloc->alignment < 12) + alloc->alignment = 12; - block = alloc_block(*heap, alloc.size, alloc.alignment, file_priv); + block = alloc_block(*heap, alloc->size, alloc->alignment, file_priv); if (!block) return -ENOMEM; mark_block(dev, block, 1); - if (DRM_COPY_TO_USER(alloc.region_offset, &block->start, sizeof(int))) { + if (DRM_COPY_TO_USER(alloc->region_offset, &block->start, + sizeof(int))) { DRM_ERROR("copy_to_user\n"); return -EFAULT; } @@ -308,11 +306,11 @@ int i915_mem_alloc(DRM_IOCTL_ARGS) return 0; } -int i915_mem_free(DRM_IOCTL_ARGS) +int i915_mem_free(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_mem_free_t memfree; + drm_i915_mem_free_t *memfree = data; struct mem_block *block, **heap; if (!dev_priv) { @@ -320,14 +318,11 @@ int i915_mem_free(DRM_IOCTL_ARGS) return -EINVAL; } - DRM_COPY_FROM_USER_IOCTL(memfree, (drm_i915_mem_free_t __user *) data, - sizeof(memfree)); - - heap = get_heap(dev_priv, memfree.region); + heap = get_heap(dev_priv, memfree->region); if (!heap || !*heap) return -EFAULT; - block = find_block(*heap, memfree.region_offset); + block = find_block(*heap, memfree->region_offset); if (!block) return -EFAULT; @@ -339,11 +334,11 @@ int i915_mem_free(DRM_IOCTL_ARGS) return 0; } -int i915_mem_init_heap(DRM_IOCTL_ARGS) +int i915_mem_init_heap(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_mem_init_heap_t initheap; + drm_i915_mem_init_heap_t *initheap = data; struct mem_block **heap; if (!dev_priv) { @@ -351,11 +346,7 @@ int i915_mem_init_heap(DRM_IOCTL_ARGS) return -EINVAL; } - DRM_COPY_FROM_USER_IOCTL(initheap, - (drm_i915_mem_init_heap_t __user *) data, - sizeof(initheap)); - - heap = get_heap(dev_priv, initheap.region); + heap = get_heap(dev_priv, initheap->region); if (!heap) return -EFAULT; @@ -364,14 +355,14 @@ int i915_mem_init_heap(DRM_IOCTL_ARGS) return -EFAULT; } - return init_heap(heap, initheap.start, initheap.size); + return init_heap(heap, initheap->start, initheap->size); } -int i915_mem_destroy_heap( DRM_IOCTL_ARGS ) +int i915_mem_destroy_heap( struct drm_device *dev, void *data, + struct drm_file *file_priv ) { - DRM_DEVICE; drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_mem_destroy_heap_t destroyheap; + drm_i915_mem_destroy_heap_t *destroyheap = data; struct mem_block **heap; if ( !dev_priv ) { @@ -379,10 +370,7 @@ int i915_mem_destroy_heap( DRM_IOCTL_ARGS ) return -EINVAL; } - DRM_COPY_FROM_USER_IOCTL( destroyheap, (drm_i915_mem_destroy_heap_t *)data, - sizeof(destroyheap) ); - - heap = get_heap( dev_priv, destroyheap.region ); + heap = get_heap( dev_priv, destroyheap->region ); if (!heap) { DRM_ERROR("get_heap failed"); return -EFAULT; |