ia64/xen-unstable

view tools/blktap/lib/xs_api.h @ 15783:c93e2a822d6f

[xen, xencomm] xencomm multiple page support
Current implementation doesn't allow struct xencomm_desc::address
array to be more than single page. On IA64 it causes 64GB+ domain
creation failure. This patch generalizes xencomm to allow multipage

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
author kfraser@localhost.localdomain
date Tue Aug 28 15:32:27 2007 +0100 (2007-08-28)
parents a72fdb6a19a1
children
line source
1 /*
2 * xs_api.h
3 *
4 * (c) 2005 Andrew Warfield and Julian Chesterfield
5 *
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License version 2
9 * as published by the Free Software Foundation; or, when distributed
10 * separately from the Linux kernel or incorporated into other
11 * software packages, subject to the following license:
12 *
13 * Permission is hereby granted, free of charge, to any person obtaining a copy
14 * of this source file (the "Software"), to deal in the Software without
15 * restriction, including without limitation the rights to use, copy, modify,
16 * merge, publish, distribute, sublicense, and/or sell copies of the Software,
17 * and to permit persons to whom the Software is furnished to do so, subject to
18 * the following conditions:
19 *
20 * The above copyright notice and this permission notice shall be included in
21 * all copies or substantial portions of the Software.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
26 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
28 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
29 * IN THE SOFTWARE.
30 */
32 struct xenbus_watch
33 {
34 struct list_head list;
35 char *node;
36 void (*callback)(struct xs_handle *h,
37 struct xenbus_watch *,
38 const char *node);
39 };
41 int xs_gather(struct xs_handle *xs, const char *dir, ...);
42 int xs_printf(struct xs_handle *h, const char *dir, const char *node,
43 const char *fmt, ...);
44 int xs_exists(struct xs_handle *h, const char *path);
45 char *get_dom_domid(struct xs_handle *h);
46 int convert_dev_name_to_num(char *name);
47 int register_xenbus_watch(struct xs_handle *h, struct xenbus_watch *watch);
48 int unregister_xenbus_watch(struct xs_handle *h, struct xenbus_watch *watch);
49 void reregister_xenbus_watches(struct xs_handle *h);
50 int xs_fire_next_watch(struct xs_handle *h);