qemu

FORK: QEMU emulator
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commands-common.h (2192B)

      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