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