ia64/xen-unstable

view tools/libxen/include/xen_vbd_mode.h @ 14045:7819d9332fba

Split the VBD I/O statistics out into a VBD_metrics class. Document the
VBD.type field, and add it to the C bindings (this was already in Xend).

Signed-off-by: Ewan Mellor <ewan@xensource.com>
author Ewan Mellor <ewan@xensource.com>
date Tue Feb 20 21:28:19 2007 +0000 (2007-02-20)
parents c75716820107
children
line source
1 /*
2 * Copyright (c) 2006, XenSource Inc.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
19 #ifndef XEN_VBD_MODE_H
20 #define XEN_VBD_MODE_H
23 #include "xen_common.h"
26 enum xen_vbd_mode
27 {
28 /**
29 * disk is mounted read-only
30 */
31 XEN_VBD_MODE_RO,
33 /**
34 * disk is mounted read-write
35 */
36 XEN_VBD_MODE_RW
37 };
40 typedef struct xen_vbd_mode_set
41 {
42 size_t size;
43 enum xen_vbd_mode contents[];
44 } xen_vbd_mode_set;
46 /**
47 * Allocate a xen_vbd_mode_set of the given size.
48 */
49 extern xen_vbd_mode_set *
50 xen_vbd_mode_set_alloc(size_t size);
52 /**
53 * Free the given xen_vbd_mode_set. The given set must have been
54 * allocated by this library.
55 */
56 extern void
57 xen_vbd_mode_set_free(xen_vbd_mode_set *set);
60 /**
61 * Return the name corresponding to the given code. This string must
62 * not be modified or freed.
63 */
64 extern const char *
65 xen_vbd_mode_to_string(enum xen_vbd_mode val);
68 /**
69 * Return the correct code for the given string, or set the session
70 * object to failure and return an undefined value if the given string does
71 * not match a known code.
72 */
73 extern enum xen_vbd_mode
74 xen_vbd_mode_from_string(xen_session *session, const char *str);
77 #endif