mirror of
https://github.com/qemu/qemu.git
synced 2024-12-02 16:23:35 +08:00
d5c5dacc70
Use help functions in qemu-socket.c for tcp migration,
which already support ipv6 addresses.
Currently errp will be set to UNDEFINED_ERROR when migration fails,
qemu would output "migration failed: ...", and current user can
see a message("An undefined error has occurred") in monitor.
This patch changed tcp_start_outgoing_migration()/inet_connect()
/inet_connect_opts(), socket error would be passed back,
then current user can see a meaningful err message in monitor.
Qemu will exit if listening fails, so output socket error
to qemu stderr.
For IPv6 brackets must be mandatory if you require a port.
Referencing to RFC5952, the recommended format is:
[2312::8274]:5200
test status: Successed
listen side: qemu-kvm .... -incoming tcp:[2312::8274]:5200
client side: qemu-kvm ...
(qemu) migrate -d tcp:[2312::8274]:5200
Signed-off-by: Amos Kong <akong@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
/*
|
|
* QEMU live migration
|
|
*
|
|
* Copyright IBM, Corp. 2008
|
|
*
|
|
* Authors:
|
|
* Anthony Liguori <aliguori@us.ibm.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2. See
|
|
* the COPYING file in the top-level directory.
|
|
*
|
|
*/
|
|
|
|
#ifndef QEMU_MIGRATION_H
|
|
#define QEMU_MIGRATION_H
|
|
|
|
#include "qdict.h"
|
|
#include "qemu-common.h"
|
|
#include "notify.h"
|
|
#include "error.h"
|
|
|
|
typedef struct MigrationState MigrationState;
|
|
|
|
struct MigrationState
|
|
{
|
|
int64_t bandwidth_limit;
|
|
QEMUFile *file;
|
|
int fd;
|
|
int state;
|
|
int (*get_error)(MigrationState *s);
|
|
int (*close)(MigrationState *s);
|
|
int (*write)(MigrationState *s, const void *buff, size_t size);
|
|
void *opaque;
|
|
int blk;
|
|
int shared;
|
|
};
|
|
|
|
void process_incoming_migration(QEMUFile *f);
|
|
|
|
int qemu_start_incoming_migration(const char *uri, Error **errp);
|
|
|
|
uint64_t migrate_max_downtime(void);
|
|
|
|
void do_info_migrate_print(Monitor *mon, const QObject *data);
|
|
|
|
void do_info_migrate(Monitor *mon, QObject **ret_data);
|
|
|
|
int exec_start_incoming_migration(const char *host_port);
|
|
|
|
int exec_start_outgoing_migration(MigrationState *s, const char *host_port);
|
|
|
|
int tcp_start_incoming_migration(const char *host_port, Error **errp);
|
|
|
|
int tcp_start_outgoing_migration(MigrationState *s, const char *host_port,
|
|
Error **errp);
|
|
|
|
int unix_start_incoming_migration(const char *path);
|
|
|
|
int unix_start_outgoing_migration(MigrationState *s, const char *path);
|
|
|
|
int fd_start_incoming_migration(const char *path);
|
|
|
|
int fd_start_outgoing_migration(MigrationState *s, const char *fdname);
|
|
|
|
void migrate_fd_error(MigrationState *s);
|
|
|
|
void migrate_fd_connect(MigrationState *s);
|
|
|
|
void add_migration_state_change_notifier(Notifier *notify);
|
|
void remove_migration_state_change_notifier(Notifier *notify);
|
|
bool migration_is_active(MigrationState *);
|
|
bool migration_has_finished(MigrationState *);
|
|
bool migration_has_failed(MigrationState *);
|
|
|
|
uint64_t ram_bytes_remaining(void);
|
|
uint64_t ram_bytes_transferred(void);
|
|
uint64_t ram_bytes_total(void);
|
|
|
|
int ram_save_live(QEMUFile *f, int stage, void *opaque);
|
|
int ram_load(QEMUFile *f, void *opaque, int version_id);
|
|
|
|
/**
|
|
* @migrate_add_blocker - prevent migration from proceeding
|
|
*
|
|
* @reason - an error to be returned whenever migration is attempted
|
|
*/
|
|
void migrate_add_blocker(Error *reason);
|
|
|
|
/**
|
|
* @migrate_del_blocker - remove a blocking error from migration
|
|
*
|
|
* @reason - the error blocking migration
|
|
*/
|
|
void migrate_del_blocker(Error *reason);
|
|
|
|
#endif
|