diff options
| -rw-r--r-- | hmp.c | 9 | ||||
| -rw-r--r-- | include/sysemu/sysemu.h | 4 | ||||
| -rw-r--r-- | migration/savevm.c | 51 | ||||
| -rw-r--r-- | replay/replay-snapshot.c | 8 | ||||
| -rw-r--r-- | vl.c | 4 |
5 files changed, 43 insertions, 33 deletions
@@ -1274,17 +1274,22 @@ void hmp_loadvm(Monitor *mon, const QDict *qdict) { int saved_vm_running = runstate_is_running(); const char *name = qdict_get_str(qdict, "name"); + Error *err = NULL; vm_stop(RUN_STATE_RESTORE_VM); - if (load_vmstate(name) == 0 && saved_vm_running) { + if (load_vmstate(name, &err) == 0 && saved_vm_running) { vm_start(); } + hmp_handle_error(mon, &err); } void hmp_savevm(Monitor *mon, const QDict *qdict) { - save_vmstate(qdict_get_try_str(qdict, "name")); + Error *err = NULL; + + save_vmstate(qdict_get_try_str(qdict, "name"), &err); + hmp_handle_error(mon, &err); } void hmp_delvm(Monitor *mon, const QDict *qdict) diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index be9e22c..282f6bc 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -75,8 +75,8 @@ void qemu_remove_exit_notifier(Notifier *notify); void qemu_add_machine_init_done_notifier(Notifier *notify); void qemu_remove_machine_init_done_notifier(Notifier *notify); -int save_vmstate(const char *name); -int load_vmstate(const char *name); +int save_vmstate(const char *name, Error **errp); +int load_vmstate(const char *name, Error **errp); void qemu_announce_self(void); diff --git a/migration/savevm.c b/migration/savevm.c index 7f66d58..b4f736f 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -2069,7 +2069,7 @@ int qemu_loadvm_state(QEMUFile *f) return ret; } -int save_vmstate(const char *name) +int save_vmstate(const char *name, Error **errp) { BlockDriverState *bs, *bs1; QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1; @@ -2079,29 +2079,27 @@ int save_vmstate(const char *name) uint64_t vm_state_size; qemu_timeval tv; struct tm tm; - Error *local_err = NULL; AioContext *aio_context; if (!bdrv_all_can_snapshot(&bs)) { - error_report("Device '%s' is writable but does not support snapshots", - bdrv_get_device_name(bs)); + error_setg(errp, "Device '%s' is writable but does not support " + "snapshots", bdrv_get_device_name(bs)); return ret; } /* Delete old snapshots of the same name */ if (name) { - ret = bdrv_all_delete_snapshot(name, &bs1, &local_err); + ret = bdrv_all_delete_snapshot(name, &bs1, errp); if (ret < 0) { - error_reportf_err(local_err, - "Error while deleting snapshot on device '%s': ", - bdrv_get_device_name(bs1)); + error_prepend(errp, "Error while deleting snapshot on device " + "'%s': ", bdrv_get_device_name(bs1)); return ret; } } bs = bdrv_all_find_vmstate_bs(); if (bs == NULL) { - error_report("No block device can accept snapshots"); + error_setg(errp, "No block device can accept snapshots"); return ret; } aio_context = bdrv_get_aio_context(bs); @@ -2110,7 +2108,7 @@ int save_vmstate(const char *name) ret = global_state_store(); if (ret) { - error_report("Error saving global state"); + error_setg(errp, "Error saving global state"); return ret; } vm_stop(RUN_STATE_SAVE_VM); @@ -2142,21 +2140,20 @@ int save_vmstate(const char *name) /* save the VM state */ f = qemu_fopen_bdrv(bs, 1); if (!f) { - error_report("Could not open VM state file"); + error_setg(errp, "Could not open VM state file"); goto the_end; } - ret = qemu_savevm_state(f, &local_err); + ret = qemu_savevm_state(f, errp); vm_state_size = qemu_ftell(f); qemu_fclose(f); if (ret < 0) { - error_report_err(local_err); goto the_end; } ret = bdrv_all_create_snapshot(sn, bs, vm_state_size, &bs); if (ret < 0) { - error_report("Error while creating snapshot on '%s'", - bdrv_get_device_name(bs)); + error_setg(errp, "Error while creating snapshot on '%s'", + bdrv_get_device_name(bs)); goto the_end; } @@ -2229,7 +2226,7 @@ void qmp_xen_load_devices_state(const char *filename, Error **errp) migration_incoming_state_destroy(); } -int load_vmstate(const char *name) +int load_vmstate(const char *name, Error **errp) { BlockDriverState *bs, *bs_vm_state; QEMUSnapshotInfo sn; @@ -2239,20 +2236,22 @@ int load_vmstate(const char *name) MigrationIncomingState *mis = migration_incoming_get_current(); if (!bdrv_all_can_snapshot(&bs)) { - error_report("Device '%s' is writable but does not support snapshots", - bdrv_get_device_name(bs)); + error_setg(errp, + "Device '%s' is writable but does not support snapshots", + bdrv_get_device_name(bs)); return -ENOTSUP; } ret = bdrv_all_find_snapshot(name, &bs); if (ret < 0) { - error_report("Device '%s' does not have the requested snapshot '%s'", - bdrv_get_device_name(bs), name); + error_setg(errp, + "Device '%s' does not have the requested snapshot '%s'", + bdrv_get_device_name(bs), name); return ret; } bs_vm_state = bdrv_all_find_vmstate_bs(); if (!bs_vm_state) { - error_report("No block device supports snapshots"); + error_setg(errp, "No block device supports snapshots"); return -ENOTSUP; } aio_context = bdrv_get_aio_context(bs_vm_state); @@ -2264,8 +2263,8 @@ int load_vmstate(const char *name) if (ret < 0) { return ret; } else if (sn.vm_state_size == 0) { - error_report("This is a disk-only snapshot. Revert to it offline " - "using qemu-img."); + error_setg(errp, "This is a disk-only snapshot. Revert to it " + " offline using qemu-img"); return -EINVAL; } @@ -2274,7 +2273,7 @@ int load_vmstate(const char *name) ret = bdrv_all_goto_snapshot(name, &bs); if (ret < 0) { - error_report("Error %d while activating snapshot '%s' on '%s'", + error_setg(errp, "Error %d while activating snapshot '%s' on '%s'", ret, name, bdrv_get_device_name(bs)); return ret; } @@ -2282,7 +2281,7 @@ int load_vmstate(const char *name) /* restore the VM state */ f = qemu_fopen_bdrv(bs_vm_state, 0); if (!f) { - error_report("Could not open VM state file"); + error_setg(errp, "Could not open VM state file"); return -EINVAL; } @@ -2296,7 +2295,7 @@ int load_vmstate(const char *name) migration_incoming_state_destroy(); if (ret < 0) { - error_report("Error %d while loading VM state", ret); + error_setg(errp, "Error %d while loading VM state", ret); return ret; } diff --git a/replay/replay-snapshot.c b/replay/replay-snapshot.c index 8cced46..c75cd38 100644 --- a/replay/replay-snapshot.c +++ b/replay/replay-snapshot.c @@ -62,14 +62,18 @@ void replay_vmstate_register(void) void replay_vmstate_init(void) { + Error *err = NULL; + if (replay_snapshot) { if (replay_mode == REPLAY_MODE_RECORD) { - if (save_vmstate(replay_snapshot) != 0) { + if (save_vmstate(replay_snapshot, &err) != 0) { + error_report_err(err); error_report("Could not create snapshot for icount record"); exit(1); } } else if (replay_mode == REPLAY_MODE_PLAY) { - if (load_vmstate(replay_snapshot) != 0) { + if (load_vmstate(replay_snapshot, &err) != 0) { + error_report_err(err); error_report("Could not load snapshot for icount replay"); exit(1); } @@ -4701,7 +4701,9 @@ int main(int argc, char **argv, char **envp) if (replay_mode != REPLAY_MODE_NONE) { replay_vmstate_init(); } else if (loadvm) { - if (load_vmstate(loadvm) < 0) { + Error *local_err = NULL; + if (load_vmstate(loadvm, &local_err) < 0) { + error_report_err(local_err); autostart = 0; } } |