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4bac07c9 JF |
1 | /****************************************************************************** |
2 | * xenbus_probe.h | |
3 | * | |
4 | * Talks to Xen Store to figure out what devices we have. | |
5 | * | |
6 | * Copyright (C) 2005 Rusty Russell, IBM Corporation | |
7 | * Copyright (C) 2005 XenSource Ltd. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License version 2 | |
11 | * as published by the Free Software Foundation; or, when distributed | |
12 | * separately from the Linux kernel or incorporated into other | |
13 | * software packages, subject to the following license: | |
14 | * | |
15 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
16 | * of this source file (the "Software"), to deal in the Software without | |
17 | * restriction, including without limitation the rights to use, copy, modify, | |
18 | * merge, publish, distribute, sublicense, and/or sell copies of the Software, | |
19 | * and to permit persons to whom the Software is furnished to do so, subject to | |
20 | * the following conditions: | |
21 | * | |
22 | * The above copyright notice and this permission notice shall be included in | |
23 | * all copies or substantial portions of the Software. | |
24 | * | |
25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
26 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
27 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
28 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
29 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
30 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
31 | * IN THE SOFTWARE. | |
32 | */ | |
33 | ||
34 | #ifndef _XENBUS_PROBE_H | |
35 | #define _XENBUS_PROBE_H | |
36 | ||
2a678cc5 KS |
37 | #define XEN_BUS_ID_SIZE 20 |
38 | ||
4bac07c9 JF |
39 | struct xen_bus_type |
40 | { | |
41 | char *root; | |
42 | unsigned int levels; | |
2a678cc5 | 43 | int (*get_bus_id)(char bus_id[XEN_BUS_ID_SIZE], const char *nodename); |
6bac7f9f IC |
44 | int (*probe)(struct xen_bus_type *bus, const char *type, |
45 | const char *dir); | |
46 | void (*otherend_changed)(struct xenbus_watch *watch, const char **vec, | |
47 | unsigned int len); | |
4bac07c9 JF |
48 | struct bus_type bus; |
49 | }; | |
50 | ||
51 | extern int xenbus_match(struct device *_dev, struct device_driver *_drv); | |
52 | extern int xenbus_dev_probe(struct device *_dev); | |
53 | extern int xenbus_dev_remove(struct device *_dev); | |
54 | extern int xenbus_register_driver_common(struct xenbus_driver *drv, | |
55 | struct xen_bus_type *bus, | |
56 | struct module *owner, | |
57 | const char *mod_name); | |
58 | extern int xenbus_probe_node(struct xen_bus_type *bus, | |
59 | const char *type, | |
60 | const char *nodename); | |
61 | extern int xenbus_probe_devices(struct xen_bus_type *bus); | |
62 | ||
63 | extern void xenbus_dev_changed(const char *node, struct xen_bus_type *bus); | |
64 | ||
2de06cc1 IC |
65 | extern void xenbus_dev_shutdown(struct device *_dev); |
66 | ||
67 | extern int xenbus_dev_suspend(struct device *dev, pm_message_t state); | |
68 | extern int xenbus_dev_resume(struct device *dev); | |
69 | ||
70 | extern void xenbus_otherend_changed(struct xenbus_watch *watch, | |
71 | const char **vec, unsigned int len, | |
72 | int ignore_on_shutdown); | |
73 | ||
74 | extern int xenbus_read_otherend_details(struct xenbus_device *xendev, | |
75 | char *id_node, char *path_node); | |
76 | ||
4bac07c9 | 77 | #endif |