ia64/xen-unstable

view linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_comms.h @ 6538:84ee014ebd41

Merge xen-vtx-unstable.hg
author adsharma@los-vmm.sc.intel.com
date Wed Aug 17 12:34:38 2005 -0800 (2005-08-17)
parents 23979fb12c49 698a7dc797e4
children 99914b54f7bf
line source
1 /*
2 * Private include for xenbus communications.
3 *
4 * Copyright (C) 2005 Rusty Russell, IBM Corporation
5 *
6 * This file may be distributed separately from the Linux kernel, or
7 * incorporated into other software packages, subject to the following license:
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a copy
10 * of this source file (the "Software"), to deal in the Software without
11 * restriction, including without limitation the rights to use, copy, modify,
12 * merge, publish, distribute, sublicense, and/or sell copies of the Software,
13 * and to permit persons to whom the Software is furnished to do so, subject to
14 * the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
25 * IN THE SOFTWARE.
26 */
28 #ifndef _XENBUS_COMMS_H
29 #define _XENBUS_COMMS_H
31 int xs_init(void);
32 int xb_init_comms(void);
33 void xb_suspend_comms(void);
35 /* Low level routines. */
36 int xb_write(const void *data, unsigned len);
37 int xb_read(void *data, unsigned len);
38 int xs_input_avail(void);
39 extern wait_queue_head_t xb_waitq;
41 #endif /* _XENBUS_COMMS_H */