ia64/xen-unstable

view tools/libxen/include/xen_vdi_type.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 69c5afd5ab08
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_VDI_TYPE_H
20 #define XEN_VDI_TYPE_H
23 #include "xen_common.h"
26 enum xen_vdi_type
27 {
28 /**
29 * a disk that may be replaced on upgrade
30 */
31 XEN_VDI_TYPE_SYSTEM,
33 /**
34 * a disk that is always preserved on upgrade
35 */
36 XEN_VDI_TYPE_USER,
38 /**
39 * a disk that may be reformatted on upgrade
40 */
41 XEN_VDI_TYPE_EPHEMERAL,
43 /**
44 * a disk that stores a suspend image
45 */
46 XEN_VDI_TYPE_SUSPEND,
48 /**
49 * a disk that stores VM crashdump information
50 */
51 XEN_VDI_TYPE_CRASHDUMP
52 };
55 typedef struct xen_vdi_type_set
56 {
57 size_t size;
58 enum xen_vdi_type contents[];
59 } xen_vdi_type_set;
61 /**
62 * Allocate a xen_vdi_type_set of the given size.
63 */
64 extern xen_vdi_type_set *
65 xen_vdi_type_set_alloc(size_t size);
67 /**
68 * Free the given xen_vdi_type_set. The given set must have been
69 * allocated by this library.
70 */
71 extern void
72 xen_vdi_type_set_free(xen_vdi_type_set *set);
75 /**
76 * Return the name corresponding to the given code. This string must
77 * not be modified or freed.
78 */
79 extern const char *
80 xen_vdi_type_to_string(enum xen_vdi_type val);
83 /**
84 * Return the correct code for the given string, or set the session
85 * object to failure and return an undefined value if the given string does
86 * not match a known code.
87 */
88 extern enum xen_vdi_type
89 xen_vdi_type_from_string(xen_session *session, const char *str);
92 #endif