xref: /openbmc/qemu/qga/commands-common.h (revision 83340193)
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 #endif /* __linux__ */
19 
20 #ifdef __FreeBSD__
21 #include <ufs/ffs/fs.h>
22 #endif /* __FreeBSD__ */
23 
24 #if defined(CONFIG_FSFREEZE) || defined(CONFIG_FSTRIM)
25 typedef struct FsMount {
26     char *dirname;
27     char *devtype;
28     unsigned int devmajor, devminor;
29 #if defined(__FreeBSD__)
30     dev_t dev;
31     fsid_t fsid;
32 #endif
33     QTAILQ_ENTRY(FsMount) next;
34 } FsMount;
35 
36 typedef QTAILQ_HEAD(FsMountList, FsMount) FsMountList;
37 
38 bool build_fs_mount_list(FsMountList *mounts, Error **errp);
39 void free_fs_mount_list(FsMountList *mounts);
40 #endif /* CONFIG_FSFREEZE || CONFIG_FSTRIM */
41 
42 #if defined(CONFIG_FSFREEZE)
43 int64_t qmp_guest_fsfreeze_do_freeze_list(bool has_mountpoints,
44                                           strList *mountpoints,
45                                           FsMountList mounts,
46                                           Error **errp);
47 int qmp_guest_fsfreeze_do_thaw(Error **errp);
48 #endif /* CONFIG_FSFREEZE */
49 
50 #ifdef HAVE_GETIFADDRS
51 #include <ifaddrs.h>
52 bool guest_get_hw_addr(struct ifaddrs *ifa, unsigned char *buf,
53                        bool *obtained, Error **errp);
54 #endif
55 
56 typedef struct GuestFileHandle GuestFileHandle;
57 
58 GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp);
59 
60 GuestFileRead *guest_file_read_unsafe(GuestFileHandle *gfh,
61                                       int64_t count, Error **errp);
62 
63 /**
64  * qga_get_host_name:
65  * @errp: Error object
66  *
67  * Operating system agnostic way of querying host name.
68  * Compared to g_get_host_name(), it doesn't cache the result.
69  *
70  * Returns allocated hostname (caller should free), NULL on failure.
71  */
72 char *qga_get_host_name(Error **errp);
73 
74 #endif
75