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4bac07c9 JF |
1 | /* |
2 | * Private include for xenbus communications. | |
3 | * | |
4 | * Copyright (C) 2005 Rusty Russell, IBM Corporation | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License version 2 | |
8 | * as published by the Free Software Foundation; or, when distributed | |
9 | * separately from the Linux kernel or incorporated into other | |
10 | * software packages, subject to the following license: | |
11 | * | |
12 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
13 | * of this source file (the "Software"), to deal in the Software without | |
14 | * restriction, including without limitation the rights to use, copy, modify, | |
15 | * merge, publish, distribute, sublicense, and/or sell copies of the Software, | |
16 | * and to permit persons to whom the Software is furnished to do so, subject to | |
17 | * the following conditions: | |
18 | * | |
19 | * The above copyright notice and this permission notice shall be included in | |
20 | * all copies or substantial portions of the Software. | |
21 | * | |
22 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
23 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
24 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
25 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
26 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
27 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
28 | * IN THE SOFTWARE. | |
29 | */ | |
30 | ||
31 | #ifndef _XENBUS_COMMS_H | |
32 | #define _XENBUS_COMMS_H | |
33 | ||
2fb3683e BB |
34 | #include <linux/fs.h> |
35 | ||
4bac07c9 JF |
36 | int xs_init(void); |
37 | int xb_init_comms(void); | |
d2fb4c51 | 38 | void xb_deinit_comms(void); |
4bac07c9 JF |
39 | |
40 | /* Low level routines. */ | |
41 | int xb_write(const void *data, unsigned len); | |
42 | int xb_read(void *data, unsigned len); | |
43 | int xb_data_to_read(void); | |
44 | int xb_wait_for_data_to_read(void); | |
45 | int xs_input_avail(void); | |
46 | extern struct xenstore_domain_interface *xen_store_interface; | |
47 | extern int xen_store_evtchn; | |
48 | ||
2fb3683e BB |
49 | extern const struct file_operations xen_xenbus_fops; |
50 | ||
4bac07c9 | 51 | #endif /* _XENBUS_COMMS_H */ |