Merge branch 'fix/asoc' into for-linus
[pandora-kernel.git] / include / linux / virtio_ring.h
index c4a598f..71e0372 100644 (file)
@@ -83,7 +83,7 @@ struct vring {
  *     __u16 avail_idx;
  *     __u16 available[num];
  *
- *     // Padding to the next page boundary.
+ *     // Padding to the next align boundary.
  *     char pad[];
  *
  *     // A ring of used descriptor heads with free-running index.
@@ -93,19 +93,19 @@ struct vring {
  * };
  */
 static inline void vring_init(struct vring *vr, unsigned int num, void *p,
-                             unsigned long pagesize)
+                             unsigned long align)
 {
        vr->num = num;
        vr->desc = p;
        vr->avail = p + num*sizeof(struct vring_desc);
-       vr->used = (void *)(((unsigned long)&vr->avail->ring[num] + pagesize-1)
-                           & ~(pagesize - 1));
+       vr->used = (void *)(((unsigned long)&vr->avail->ring[num] + align-1)
+                           & ~(align - 1));
 }
 
-static inline unsigned vring_size(unsigned int num, unsigned long pagesize)
+static inline unsigned vring_size(unsigned int num, unsigned long align)
 {
        return ((sizeof(struct vring_desc) * num + sizeof(__u16) * (2 + num)
-                + pagesize - 1) & ~(pagesize - 1))
+                + align - 1) & ~(align - 1))
                + sizeof(__u16) * 2 + sizeof(struct vring_used_elem) * num;
 }
 
@@ -115,6 +115,7 @@ struct virtio_device;
 struct virtqueue;
 
 struct virtqueue *vring_new_virtqueue(unsigned int num,
+                                     unsigned int vring_align,
                                      struct virtio_device *vdev,
                                      void *pages,
                                      void (*notify)(struct virtqueue *vq),