root / migration.h @ 651721b2
History | View | Annotate | Download (2.4 kB)
1 |
/*
|
---|---|
2 |
* QEMU live migration
|
3 |
*
|
4 |
* Copyright IBM, Corp. 2008
|
5 |
*
|
6 |
* Authors:
|
7 |
* Anthony Liguori <aliguori@us.ibm.com>
|
8 |
*
|
9 |
* This work is licensed under the terms of the GNU GPL, version 2. See
|
10 |
* the COPYING file in the top-level directory.
|
11 |
*
|
12 |
*/
|
13 |
|
14 |
#ifndef QEMU_MIGRATION_H
|
15 |
#define QEMU_MIGRATION_H
|
16 |
|
17 |
#include "qemu-common.h" |
18 |
|
19 |
#define MIG_STATE_ERROR -1 |
20 |
#define MIG_STATE_COMPLETED 0 |
21 |
#define MIG_STATE_CANCELLED 1 |
22 |
#define MIG_STATE_ACTIVE 2 |
23 |
|
24 |
typedef struct MigrationState MigrationState; |
25 |
|
26 |
struct MigrationState
|
27 |
{ |
28 |
/* FIXME: add more accessors to print migration info */
|
29 |
void (*cancel)(MigrationState *s);
|
30 |
int (*get_status)(MigrationState *s);
|
31 |
void (*release)(MigrationState *s);
|
32 |
}; |
33 |
|
34 |
typedef struct FdMigrationState FdMigrationState; |
35 |
|
36 |
struct FdMigrationState
|
37 |
{ |
38 |
MigrationState mig_state; |
39 |
int64_t bandwidth_limit; |
40 |
QEMUFile *file; |
41 |
int fd;
|
42 |
Monitor *mon_resume; |
43 |
int state;
|
44 |
int (*get_error)(struct FdMigrationState*); |
45 |
int (*close)(struct FdMigrationState*); |
46 |
int (*write)(struct FdMigrationState*, const void *, size_t); |
47 |
void *opaque;
|
48 |
}; |
49 |
|
50 |
void qemu_start_incoming_migration(const char *uri); |
51 |
|
52 |
void do_migrate(Monitor *mon, int detach, const char *uri); |
53 |
|
54 |
void do_migrate_cancel(Monitor *mon);
|
55 |
|
56 |
void do_migrate_set_speed(Monitor *mon, const char *value); |
57 |
|
58 |
void do_info_migrate(Monitor *mon);
|
59 |
|
60 |
int exec_start_incoming_migration(const char *host_port); |
61 |
|
62 |
MigrationState *exec_start_outgoing_migration(const char *host_port, |
63 |
int64_t bandwidth_limit, |
64 |
int detach);
|
65 |
|
66 |
int tcp_start_incoming_migration(const char *host_port); |
67 |
|
68 |
MigrationState *tcp_start_outgoing_migration(const char *host_port, |
69 |
int64_t bandwidth_limit, |
70 |
int detach);
|
71 |
|
72 |
void migrate_fd_monitor_suspend(FdMigrationState *s);
|
73 |
|
74 |
void migrate_fd_error(FdMigrationState *s);
|
75 |
|
76 |
void migrate_fd_cleanup(FdMigrationState *s);
|
77 |
|
78 |
void migrate_fd_put_notify(void *opaque); |
79 |
|
80 |
ssize_t migrate_fd_put_buffer(void *opaque, const void *data, size_t size); |
81 |
|
82 |
void migrate_fd_connect(FdMigrationState *s);
|
83 |
|
84 |
void migrate_fd_put_ready(void *opaque); |
85 |
|
86 |
int migrate_fd_get_status(MigrationState *mig_state);
|
87 |
|
88 |
void migrate_fd_cancel(MigrationState *mig_state);
|
89 |
|
90 |
void migrate_fd_release(MigrationState *mig_state);
|
91 |
|
92 |
void migrate_fd_wait_for_unfreeze(void *opaque); |
93 |
|
94 |
int migrate_fd_close(void *opaque); |
95 |
|
96 |
static inline FdMigrationState *migrate_to_fms(MigrationState *mig_state) |
97 |
{ |
98 |
return container_of(mig_state, FdMigrationState, mig_state);
|
99 |
} |
100 |
|
101 |
#endif
|