Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging
[qemu.git] / qga / commands-common.h
1 /*
2 * QEMU Guest Agent common/cross-platform common commands
3 *
4 * Copyright (c) 2020 Red Hat, Inc.
5 *
6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
7 * See the COPYING file in the top-level directory.
8 */
9 #ifndef QGA_COMMANDS_COMMON_H
10 #define QGA_COMMANDS_COMMON_H
11
12 #include "qga-qapi-types.h"
13 #include "guest-agent-core.h"
14 #include "qemu/queue.h"
15
16 #if defined(__linux__)
17 #include <linux/fs.h>
18 #ifdef FIFREEZE
19 #define CONFIG_FSFREEZE
20 #endif
21 #ifdef FITRIM
22 #define CONFIG_FSTRIM
23 #endif
24 #endif /* __linux__ */
25
26 #ifdef __FreeBSD__
27 #include <ufs/ffs/fs.h>
28 #ifdef UFSSUSPEND
29 #define CONFIG_FSFREEZE
30 #endif
31 #endif /* __FreeBSD__ */
32
33 #if defined(CONFIG_FSFREEZE) || defined(CONFIG_FSTRIM)
34 typedef struct FsMount {
35 char *dirname;
36 char *devtype;
37 unsigned int devmajor, devminor;
38 #if defined(__FreeBSD__)
39 dev_t dev;
40 fsid_t fsid;
41 #endif
42 QTAILQ_ENTRY(FsMount) next;
43 } FsMount;
44
45 typedef QTAILQ_HEAD(FsMountList, FsMount) FsMountList;
46
47 bool build_fs_mount_list(FsMountList *mounts, Error **errp);
48 void free_fs_mount_list(FsMountList *mounts);
49 #endif /* CONFIG_FSFREEZE || CONFIG_FSTRIM */
50
51 #if defined(CONFIG_FSFREEZE)
52 int64_t qmp_guest_fsfreeze_do_freeze_list(bool has_mountpoints,
53 strList *mountpoints,
54 FsMountList mounts,
55 Error **errp);
56 int qmp_guest_fsfreeze_do_thaw(Error **errp);
57 #endif /* CONFIG_FSFREEZE */
58
59 #ifdef HAVE_GETIFADDRS
60 #include <ifaddrs.h>
61 bool guest_get_hw_addr(struct ifaddrs *ifa, unsigned char *buf,
62 bool *obtained, Error **errp);
63 #endif
64
65 typedef struct GuestFileHandle GuestFileHandle;
66
67 GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp);
68
69 GuestFileRead *guest_file_read_unsafe(GuestFileHandle *gfh,
70 int64_t count, Error **errp);
71
72 /**
73 * qga_get_host_name:
74 * @errp: Error object
75 *
76 * Operating system agnostic way of querying host name.
77 * Compared to g_get_host_name(), it doesn't cache the result.
78 *
79 * Returns allocated hostname (caller should free), NULL on failure.
80 */
81 char *qga_get_host_name(Error **errp);
82
83 #endif