diff options
| -rw-r--r-- | block-migration.c | 2 | ||||
| -rw-r--r-- | hw/hw.h | 3 | ||||
| -rw-r--r-- | migration-exec.c | 12 | ||||
| -rw-r--r-- | migration-fd.c | 9 | ||||
| -rw-r--r-- | migration-tcp.c | 10 | ||||
| -rw-r--r-- | migration-unix.c | 10 | ||||
| -rw-r--r-- | migration.c | 30 | ||||
| -rw-r--r-- | migration.h | 13 | ||||
| -rw-r--r-- | savevm.c | 31 | ||||
| -rw-r--r-- | sysemu.h | 10 | ||||
| -rw-r--r-- | vl.c | 2 |
11 files changed, 73 insertions, 59 deletions
diff --git a/block-migration.c b/block-migration.c index 15b76de9bc..b56be7908c 100644 --- a/block-migration.c +++ b/block-migration.c @@ -352,7 +352,7 @@ static void blk_mig_cleanup(void) printf("\n"); } -static int block_save_live(QEMUFile *f, int stage, void *opaque) +static int block_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque) { dprintf("Enter save live stage %d submitted %d transferred %d\n", stage, block_mig_state.submitted, block_mig_state.transferred); @@ -244,7 +244,8 @@ int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence); typedef void SaveSetParamsHandler(int blk_enable, int shared, void * opaque); typedef void SaveStateHandler(QEMUFile *f, void *opaque); -typedef int SaveLiveStateHandler(QEMUFile *f, int stage, void *opaque); +typedef int SaveLiveStateHandler(Monitor *mon, QEMUFile *f, int stage, + void *opaque); typedef int LoadStateHandler(QEMUFile *f, void *opaque, int version_id); int register_savevm(const char *idstr, diff --git a/migration-exec.c b/migration-exec.c index c83066959a..87f645b68c 100644 --- a/migration-exec.c +++ b/migration-exec.c @@ -52,7 +52,8 @@ static int exec_close(FdMigrationState *s) return 0; } -MigrationState *exec_start_outgoing_migration(const char *command, +MigrationState *exec_start_outgoing_migration(Monitor *mon, + const char *command, int64_t bandwidth_limit, int detach, int blk, @@ -88,13 +89,14 @@ MigrationState *exec_start_outgoing_migration(const char *command, s->mig_state.blk = blk; s->mig_state.shared = inc; - + s->state = MIG_STATE_ACTIVE; - s->mon_resume = NULL; + s->mon = NULL; s->bandwidth_limit = bandwidth_limit; - if (!detach) - migrate_fd_monitor_suspend(s); + if (!detach) { + migrate_fd_monitor_suspend(s, mon); + } migrate_fd_connect(s); return &s->mig_state; diff --git a/migration-fd.c b/migration-fd.c index 587f9d8e84..ef7edbc5ec 100644 --- a/migration-fd.c +++ b/migration-fd.c @@ -82,13 +82,14 @@ MigrationState *fd_start_outgoing_migration(Monitor *mon, s->mig_state.blk = blk; s->mig_state.shared = inc; - + s->state = MIG_STATE_ACTIVE; - s->mon_resume = NULL; + s->mon = NULL; s->bandwidth_limit = bandwidth_limit; - if (!detach) - migrate_fd_monitor_suspend(s); + if (!detach) { + migrate_fd_monitor_suspend(s, mon); + } migrate_fd_connect(s); return &s->mig_state; diff --git a/migration-tcp.c b/migration-tcp.c index efa7c74c67..b77ed87621 100644 --- a/migration-tcp.c +++ b/migration-tcp.c @@ -76,7 +76,8 @@ static void tcp_wait_for_connect(void *opaque) } } -MigrationState *tcp_start_outgoing_migration(const char *host_port, +MigrationState *tcp_start_outgoing_migration(Monitor *mon, + const char *host_port, int64_t bandwidth_limit, int detach, int blk, @@ -102,7 +103,7 @@ MigrationState *tcp_start_outgoing_migration(const char *host_port, s->mig_state.shared = inc; s->state = MIG_STATE_ACTIVE; - s->mon_resume = NULL; + s->mon = NULL; s->bandwidth_limit = bandwidth_limit; s->fd = socket(PF_INET, SOCK_STREAM, 0); if (s->fd == -1) { @@ -112,8 +113,9 @@ MigrationState *tcp_start_outgoing_migration(const char *host_port, socket_set_nonblock(s->fd); - if (!detach) - migrate_fd_monitor_suspend(s); + if (!detach) { + migrate_fd_monitor_suspend(s, mon); + } do { ret = connect(s->fd, (struct sockaddr *)&addr, sizeof(addr)); diff --git a/migration-unix.c b/migration-unix.c index 25cd6d3d2d..7dd787cd91 100644 --- a/migration-unix.c +++ b/migration-unix.c @@ -75,7 +75,8 @@ static void unix_wait_for_connect(void *opaque) } } -MigrationState *unix_start_outgoing_migration(const char *path, +MigrationState *unix_start_outgoing_migration(Monitor *mon, + const char *path, int64_t bandwidth_limit, int detach, int blk, @@ -101,7 +102,7 @@ MigrationState *unix_start_outgoing_migration(const char *path, s->mig_state.shared = inc; s->state = MIG_STATE_ACTIVE; - s->mon_resume = NULL; + s->mon = NULL; s->bandwidth_limit = bandwidth_limit; s->fd = socket(PF_UNIX, SOCK_STREAM, 0); if (s->fd < 0) { @@ -111,8 +112,9 @@ MigrationState *unix_start_outgoing_migration(const char *path, socket_set_nonblock(s->fd); - if (!detach) - migrate_fd_monitor_suspend(s); + if (!detach) { + migrate_fd_monitor_suspend(s, mon); + } do { ret = connect(s->fd, (struct sockaddr *)&addr, sizeof(addr)); diff --git a/migration.c b/migration.c index f8a15fb485..f4d30222da 100644 --- a/migration.c +++ b/migration.c @@ -66,16 +66,16 @@ void do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data) } if (strstart(uri, "tcp:", &p)) - s = tcp_start_outgoing_migration(p, max_throttle, detach, + s = tcp_start_outgoing_migration(mon, p, max_throttle, detach, (int)qdict_get_int(qdict, "blk"), (int)qdict_get_int(qdict, "inc")); #if !defined(WIN32) else if (strstart(uri, "exec:", &p)) - s = exec_start_outgoing_migration(p, max_throttle, detach, + s = exec_start_outgoing_migration(mon, p, max_throttle, detach, (int)qdict_get_int(qdict, "blk"), (int)qdict_get_int(qdict, "inc")); else if (strstart(uri, "unix:", &p)) - s = unix_start_outgoing_migration(p, max_throttle, detach, + s = unix_start_outgoing_migration(mon, p, max_throttle, detach, (int)qdict_get_int(qdict, "blk"), (int)qdict_get_int(qdict, "inc")); else if (strstart(uri, "fd:", &p)) @@ -190,14 +190,15 @@ void do_info_migrate(Monitor *mon) /* shared migration helpers */ -void migrate_fd_monitor_suspend(FdMigrationState *s) +void migrate_fd_monitor_suspend(FdMigrationState *s, Monitor *mon) { - s->mon_resume = cur_mon; - if (monitor_suspend(cur_mon) == 0) + s->mon = mon; + if (monitor_suspend(mon) == 0) { dprintf("suspending monitor\n"); - else - monitor_printf(cur_mon, "terminal does not allow synchronous " + } else { + monitor_printf(mon, "terminal does not allow synchronous " "migration, continuing detached\n"); + } } void migrate_fd_error(FdMigrationState *s) @@ -221,8 +222,9 @@ void migrate_fd_cleanup(FdMigrationState *s) close(s->fd); /* Don't resume monitor until we've flushed all of the buffers */ - if (s->mon_resume) - monitor_resume(s->mon_resume); + if (s->mon) { + monitor_resume(s->mon); + } s->fd = -1; } @@ -265,7 +267,7 @@ void migrate_fd_connect(FdMigrationState *s) migrate_fd_close); dprintf("beginning savevm\n"); - ret = qemu_savevm_state_begin(s->file, s->mig_state.blk, + ret = qemu_savevm_state_begin(s->mon, s->file, s->mig_state.blk, s->mig_state.shared); if (ret < 0) { dprintf("failed, %d\n", ret); @@ -286,7 +288,7 @@ void migrate_fd_put_ready(void *opaque) } dprintf("iterate\n"); - if (qemu_savevm_state_iterate(s->file) == 1) { + if (qemu_savevm_state_iterate(s->mon, s->file) == 1) { int state; int old_vm_running = vm_running; @@ -295,7 +297,7 @@ void migrate_fd_put_ready(void *opaque) qemu_aio_flush(); bdrv_flush_all(); - if ((qemu_savevm_state_complete(s->file)) < 0) { + if ((qemu_savevm_state_complete(s->mon, s->file)) < 0) { if (old_vm_running) { vm_start(); } @@ -324,7 +326,7 @@ void migrate_fd_cancel(MigrationState *mig_state) dprintf("cancelling migration\n"); s->state = MIG_STATE_CANCELLED; - qemu_savevm_state_cancel(s->file); + qemu_savevm_state_cancel(s->mon, s->file); migrate_fd_cleanup(s); } diff --git a/migration.h b/migration.h index 56adf05e6f..3f2b3df2bd 100644 --- a/migration.h +++ b/migration.h @@ -42,7 +42,7 @@ struct FdMigrationState int64_t bandwidth_limit; QEMUFile *file; int fd; - Monitor *mon_resume; + Monitor *mon; int state; int (*get_error)(struct FdMigrationState*); int (*close)(struct FdMigrationState*); @@ -66,7 +66,8 @@ void do_info_migrate(Monitor *mon); int exec_start_incoming_migration(const char *host_port); -MigrationState *exec_start_outgoing_migration(const char *host_port, +MigrationState *exec_start_outgoing_migration(Monitor *mon, + const char *host_port, int64_t bandwidth_limit, int detach, int blk, @@ -74,7 +75,8 @@ MigrationState *exec_start_outgoing_migration(const char *host_port, int tcp_start_incoming_migration(const char *host_port); -MigrationState *tcp_start_outgoing_migration(const char *host_port, +MigrationState *tcp_start_outgoing_migration(Monitor *mon, + const char *host_port, int64_t bandwidth_limit, int detach, int blk, @@ -82,7 +84,8 @@ MigrationState *tcp_start_outgoing_migration(const char *host_port, int unix_start_incoming_migration(const char *path); -MigrationState *unix_start_outgoing_migration(const char *path, +MigrationState *unix_start_outgoing_migration(Monitor *mon, + const char *path, int64_t bandwidth_limit, int detach, int blk, @@ -97,7 +100,7 @@ MigrationState *fd_start_outgoing_migration(Monitor *mon, int blk, int inc); -void migrate_fd_monitor_suspend(FdMigrationState *s); +void migrate_fd_monitor_suspend(FdMigrationState *s, Monitor *mon); void migrate_fd_error(FdMigrationState *s); @@ -1264,7 +1264,8 @@ static void vmstate_save(QEMUFile *f, SaveStateEntry *se) #define QEMU_VM_SECTION_END 0x03 #define QEMU_VM_SECTION_FULL 0x04 -int qemu_savevm_state_begin(QEMUFile *f, int blk_enable, int shared) +int qemu_savevm_state_begin(Monitor *mon, QEMUFile *f, int blk_enable, + int shared) { SaveStateEntry *se; @@ -1296,18 +1297,18 @@ int qemu_savevm_state_begin(QEMUFile *f, int blk_enable, int shared) qemu_put_be32(f, se->instance_id); qemu_put_be32(f, se->version_id); - se->save_live_state(f, QEMU_VM_SECTION_START, se->opaque); + se->save_live_state(mon, f, QEMU_VM_SECTION_START, se->opaque); } if (qemu_file_has_error(f)) { - qemu_savevm_state_cancel(f); + qemu_savevm_state_cancel(mon, f); return -EIO; } return 0; } -int qemu_savevm_state_iterate(QEMUFile *f) +int qemu_savevm_state_iterate(Monitor *mon, QEMUFile *f) { SaveStateEntry *se; int ret = 1; @@ -1320,21 +1321,21 @@ int qemu_savevm_state_iterate(QEMUFile *f) qemu_put_byte(f, QEMU_VM_SECTION_PART); qemu_put_be32(f, se->section_id); - ret &= !!se->save_live_state(f, QEMU_VM_SECTION_PART, se->opaque); + ret &= !!se->save_live_state(mon, f, QEMU_VM_SECTION_PART, se->opaque); } if (ret) return 1; if (qemu_file_has_error(f)) { - qemu_savevm_state_cancel(f); + qemu_savevm_state_cancel(mon, f); return -EIO; } return 0; } -int qemu_savevm_state_complete(QEMUFile *f) +int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f) { SaveStateEntry *se; @@ -1346,7 +1347,7 @@ int qemu_savevm_state_complete(QEMUFile *f) qemu_put_byte(f, QEMU_VM_SECTION_END); qemu_put_be32(f, se->section_id); - se->save_live_state(f, QEMU_VM_SECTION_END, se->opaque); + se->save_live_state(mon, f, QEMU_VM_SECTION_END, se->opaque); } QTAILQ_FOREACH(se, &savevm_handlers, entry) { @@ -1378,18 +1379,18 @@ int qemu_savevm_state_complete(QEMUFile *f) return 0; } -void qemu_savevm_state_cancel(QEMUFile *f) +void qemu_savevm_state_cancel(Monitor *mon, QEMUFile *f) { SaveStateEntry *se; QTAILQ_FOREACH(se, &savevm_handlers, entry) { if (se->save_live_state) { - se->save_live_state(f, -1, se->opaque); + se->save_live_state(mon, f, -1, se->opaque); } } } -int qemu_savevm_state(QEMUFile *f) +static int qemu_savevm_state(Monitor *mon, QEMUFile *f) { int saved_vm_running; int ret; @@ -1399,17 +1400,17 @@ int qemu_savevm_state(QEMUFile *f) bdrv_flush_all(); - ret = qemu_savevm_state_begin(f, 0, 0); + ret = qemu_savevm_state_begin(mon, f, 0, 0); if (ret < 0) goto out; do { - ret = qemu_savevm_state_iterate(f); + ret = qemu_savevm_state_iterate(mon, f); if (ret < 0) goto out; } while (ret == 0); - ret = qemu_savevm_state_complete(f); + ret = qemu_savevm_state_complete(mon, f); out: if (qemu_file_has_error(f)) @@ -1698,7 +1699,7 @@ void do_savevm(Monitor *mon, const QDict *qdict) monitor_printf(mon, "Could not open VM state file\n"); goto the_end; } - ret = qemu_savevm_state(f); + ret = qemu_savevm_state(mon, f); vm_state_size = qemu_ftell(f); qemu_fclose(f); if (ret < 0) { @@ -62,11 +62,11 @@ void qemu_announce_self(void); void main_loop_wait(int timeout); -int qemu_savevm_state_begin(QEMUFile *f, int blk_enable, int shared); -int qemu_savevm_state_iterate(QEMUFile *f); -int qemu_savevm_state_complete(QEMUFile *f); -void qemu_savevm_state_cancel(QEMUFile *f); -int qemu_savevm_state(QEMUFile *f); +int qemu_savevm_state_begin(Monitor *mon, QEMUFile *f, int blk_enable, + int shared); +int qemu_savevm_state_iterate(Monitor *mon, QEMUFile *f); +int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f); +void qemu_savevm_state_cancel(Monitor *mon, QEMUFile *f); int qemu_loadvm_state(QEMUFile *f); void qemu_errors_to_file(FILE *fp); @@ -2927,7 +2927,7 @@ uint64_t ram_bytes_total(void) return last_ram_offset; } -static int ram_save_live(QEMUFile *f, int stage, void *opaque) +static int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque) { ram_addr_t addr; uint64_t bytes_transferred_last; |