uapi/linux/virtio_9p.h

0001 #ifndef _LINUX_VIRTIO_9P_H
0002 #define _LINUX_VIRTIO_9P_H
0003 /* This header is BSD licensed so anyone can use the definitions to implement
0004  * compatible drivers/servers.
0005  *
0006  * Redistribution and use in source and binary forms, with or without
0007  * modification, are permitted provided that the following conditions
0008  * are met:
0009  * 1. Redistributions of source code must retain the above copyright
0010  *    notice, this list of conditions and the following disclaimer.
0011  * 2. Redistributions in binary form must reproduce the above copyright
0012  *    notice, this list of conditions and the following disclaimer in the
0013  *    documentation and/or other materials provided with the distribution.
0014  * 3. Neither the name of IBM nor the names of its contributors
0015  *    may be used to endorse or promote products derived from this software
0016  *    without specific prior written permission.
0017  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
0018  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0020  * ARE DISCLAIMED.  IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE
0021  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
0022  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
0023  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
0024  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
0025  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
0026  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
0027  * SUCH DAMAGE. */
0028 #include <linux/virtio_types.h>
0029 #include <linux/virtio_ids.h>
0030 #include <linux/virtio_config.h>
0031
0032 /* The feature bitmap for virtio 9P */
0033
0034 /* The mount point is specified in a config variable */
0035 #define VIRTIO_9P_MOUNT_TAG 0
0036
0037 struct virtio_9p_config {
0038     /* length of the tag name */
0039     __virtio16 tag_len;
0040     /* non-NULL terminated tag name */
0041     __u8 tag[];
0042 } __attribute__((packed));
0043
0044 #endif /* _LINUX_VIRTIO_9P_H */