diff options
Diffstat (limited to 'drivers/xen/xenbus/xenbus_comms.h')
-rw-r--r-- | drivers/xen/xenbus/xenbus_comms.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/xen/xenbus/xenbus_comms.h b/drivers/xen/xenbus/xenbus_comms.h new file mode 100644 index 000000000000..c21db7513736 --- /dev/null +++ b/drivers/xen/xenbus/xenbus_comms.h | |||
@@ -0,0 +1,46 @@ | |||
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 | |||
34 | int xs_init(void); | ||
35 | int xb_init_comms(void); | ||
36 | |||
37 | /* Low level routines. */ | ||
38 | int xb_write(const void *data, unsigned len); | ||
39 | int xb_read(void *data, unsigned len); | ||
40 | int xb_data_to_read(void); | ||
41 | int xb_wait_for_data_to_read(void); | ||
42 | int xs_input_avail(void); | ||
43 | extern struct xenstore_domain_interface *xen_store_interface; | ||
44 | extern int xen_store_evtchn; | ||
45 | |||
46 | #endif /* _XENBUS_COMMS_H */ | ||