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5bb7910 Introduce UI for live migration
aliguori authored
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
f96fc8a monitor: Port handler_0 to use QDict
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17 #include "qdict.h"
376253e monitor: Rework API (Jan Kiszka)
aliguori authored
18 #include "qemu-common.h"
19
5bb7910 Introduce UI for live migration
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20 #define MIG_STATE_ERROR -1
21 #define MIG_STATE_COMPLETED 0
22 #define MIG_STATE_CANCELLED 1
23 #define MIG_STATE_ACTIVE 2
24
25 typedef struct MigrationState MigrationState;
26
27 struct MigrationState
28 {
29 /* FIXME: add more accessors to print migration info */
30 void (*cancel)(MigrationState *s);
31 int (*get_status)(MigrationState *s);
32 void (*release)(MigrationState *s);
33 };
34
065e281 Reintroduce migrate-to-exec: support (Charles Duffy)
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35 typedef struct FdMigrationState FdMigrationState;
36
37 struct FdMigrationState
38 {
39 MigrationState mig_state;
40 int64_t bandwidth_limit;
41 QEMUFile *file;
42 int fd;
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43 Monitor *mon_resume;
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44 int state;
45 int (*get_error)(struct FdMigrationState*);
46 int (*close)(struct FdMigrationState*);
47 int (*write)(struct FdMigrationState*, const void *, size_t);
48 void *opaque;
49 };
50
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51 void qemu_start_incoming_migration(const char *uri);
52
f18c16d monitor: Port handler_2 to use QDict
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53 void do_migrate(Monitor *mon, const QDict *qdict);
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54
f96fc8a monitor: Port handler_0 to use QDict
Luiz Capitulino authored
55 void do_migrate_cancel(Monitor *mon, const QDict *qdict);
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56
d54908a monitor: Port handler_1 to use QDict
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57 void do_migrate_set_speed(Monitor *mon, const QDict *qdict);
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58
a0a3fd6 add non-arbitrary migration stop condition
Glauber Costa authored
59 uint64_t migrate_max_downtime(void);
60
d54908a monitor: Port handler_1 to use QDict
Luiz Capitulino authored
61 void do_migrate_set_downtime(Monitor *mon, const QDict *qdict);
2ea4295 set migration max downtime
Glauber Costa authored
62
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aliguori authored
63 void do_info_migrate(Monitor *mon);
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64
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65 int exec_start_incoming_migration(const char *host_port);
66
67 MigrationState *exec_start_outgoing_migration(const char *host_port,
68 int64_t bandwidth_limit,
69 int detach);
70
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aliguori authored
71 int tcp_start_incoming_migration(const char *host_port);
72
73 MigrationState *tcp_start_outgoing_migration(const char *host_port,
74 int64_t bandwidth_limit,
75 int detach);
76
4951f65 Migration via unix sockets.
Chris Lalancette authored
77 int unix_start_incoming_migration(const char *path);
78
79 MigrationState *unix_start_outgoing_migration(const char *path,
80 int64_t bandwidth_limit,
81 int detach);
82
5ac1fad @bonzini add file descriptor migration
bonzini authored
83 int fd_start_incoming_migration(const char *path);
84
85 MigrationState *fd_start_outgoing_migration(Monitor *mon,
86 const char *fdname,
87 int64_t bandwidth_limit,
88 int detach);
89
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aliguori authored
90 void migrate_fd_monitor_suspend(FdMigrationState *s);
91
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92 void migrate_fd_error(FdMigrationState *s);
93
94 void migrate_fd_cleanup(FdMigrationState *s);
95
96 void migrate_fd_put_notify(void *opaque);
97
98 ssize_t migrate_fd_put_buffer(void *opaque, const void *data, size_t size);
99
100 void migrate_fd_connect(FdMigrationState *s);
101
102 void migrate_fd_put_ready(void *opaque);
103
104 int migrate_fd_get_status(MigrationState *mig_state);
105
106 void migrate_fd_cancel(MigrationState *mig_state);
107
108 void migrate_fd_release(MigrationState *mig_state);
109
110 void migrate_fd_wait_for_unfreeze(void *opaque);
111
112 int migrate_fd_close(void *opaque);
113
114 static inline FdMigrationState *migrate_to_fms(MigrationState *mig_state)
115 {
116 return container_of(mig_state, FdMigrationState, mig_state);
117 }
118
5bb7910 Introduce UI for live migration
aliguori authored
119 #endif
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