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-rw-r--r--include/linux/vringh.h17
1 files changed, 15 insertions, 2 deletions
diff --git a/include/linux/vringh.h b/include/linux/vringh.h
index b4edfadf5479..c3a8117dabe8 100644
--- a/include/linux/vringh.h
+++ b/include/linux/vringh.h
@@ -57,6 +57,9 @@ struct vringh {
void (*notify)(struct vringh *);
};
+struct virtio_device;
+typedef void vrh_callback_t(struct virtio_device *, struct vringh *);
+
/**
* struct vringh_config_ops - ops for creating a host vring from a virtio driver
* @find_vrhs: find the host vrings and instantiate them
@@ -68,8 +71,6 @@ struct vringh {
* Returns 0 on success or error status
* @del_vrhs: free the host vrings found by find_vrhs().
*/
-struct virtio_device;
-typedef void vrh_callback_t(struct virtio_device *, struct vringh *);
struct vringh_config_ops {
int (*find_vrhs)(struct virtio_device *vdev, unsigned nhvrs,
struct vringh *vrhs[], vrh_callback_t *callbacks[]);
@@ -84,6 +85,12 @@ struct vringh_range {
/**
* struct vringh_iov - iovec mangler.
+ * @iov: array of iovecs to operate on
+ * @consumed: number of bytes consumed within iov[i]
+ * @i: index of current iovec
+ * @used: number of iovecs present in @iov
+ * @max_num: maximum number of iovecs.
+ * corresponds to allocated memory of @iov
*
* Mangles iovec in place, and restores it.
* Remaining data is iov + i, of used - i elements.
@@ -96,6 +103,12 @@ struct vringh_iov {
/**
* struct vringh_kiov - kvec mangler.
+ * @iov: array of iovecs to operate on
+ * @consumed: number of bytes consumed within iov[i]
+ * @i: index of current iovec
+ * @used: number of iovecs present in @iov
+ * @max_num: maximum number of iovecs.
+ * corresponds to allocated memory of @iov
*
* Mangles kvec in place, and restores it.
* Remaining data is iov + i, of used - i elements.