ia64/xen-unstable

view extras/mini-os/xenbus/xenbus_comms.h @ 6726:0c7379b702e5

common/kernel.o contains changeset/compiler info.
Blow away on every build.
author kaf24@firebug.cl.cam.ac.uk
date Fri Sep 09 16:26:20 2005 +0000 (2005-09-09)
parents cdfa7dd00c44
children b2f4823b6ff0 b35215021b32 9af349b055e5 3233e7ecfa9f
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 xb_init_comms(void);
32 void xb_suspend_comms(void);
34 /* Low level routines. */
35 int xb_write(const void *data, unsigned len);
36 int xb_read(void *data, unsigned len);
37 int xs_input_avail(void);
38 extern struct wait_queue_head xb_waitq;
40 #endif /* _XENBUS_COMMS_H */