diff options
Diffstat (limited to 'migration')
| -rw-r--r-- | migration/migration-hmp-cmds.c | 6 | ||||
| -rw-r--r-- | migration/migration.c | 56 |
2 files changed, 54 insertions, 8 deletions
diff --git a/migration/migration-hmp-cmds.c b/migration/migration-hmp-cmds.c index a170440991..6ec778a990 100644 --- a/migration/migration-hmp-cmds.c +++ b/migration/migration-hmp-cmds.c @@ -452,7 +452,7 @@ void hmp_migrate_incoming(Monitor *mon, const QDict *qdict) Error *err = NULL; const char *uri = qdict_get_str(qdict, "uri"); - qmp_migrate_incoming(uri, &err); + qmp_migrate_incoming(uri, false, NULL, &err); hmp_handle_error(mon, err); } @@ -764,8 +764,8 @@ void hmp_migrate(Monitor *mon, const QDict *qdict) " use blockdev-mirror with NBD instead"); } - qmp_migrate(uri, !!blk, blk, !!inc, inc, - false, false, true, resume, &err); + qmp_migrate(uri, false, NULL, !!blk, blk, !!inc, inc, + false, false, true, resume, &err); if (hmp_handle_error(mon, err)) { return; } diff --git a/migration/migration.c b/migration/migration.c index 04037b340c..a9cd5e2d5d 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -506,11 +506,34 @@ static bool migrate_uri_parse(const char *uri, return true; } -static void qemu_start_incoming_migration(const char *uri, Error **errp) +static void qemu_start_incoming_migration(const char *uri, bool has_channels, + MigrationChannelList *channels, + Error **errp) { g_autoptr(MigrationAddress) channel = NULL; MigrationIncomingState *mis = migration_incoming_get_current(); + /* + * Having preliminary checks for uri and channel + */ + if (has_channels) { + error_setg(errp, "'channels' argument should not be set yet."); + return; + } + + if (uri && has_channels) { + error_setg(errp, "'uri' and 'channels' arguments are mutually " + "exclusive; exactly one of the two should be present in " + "'migrate-incoming' qmp command "); + return; + } + + if (!uri && !has_channels) { + error_setg(errp, "neither 'uri' or 'channels' argument are " + "specified in 'migrate-incoming' qmp command "); + return; + } + /* URI is not suitable for migration? */ if (!migration_channels_and_uri_compatible(uri, errp)) { return; @@ -1681,7 +1704,8 @@ void migrate_del_blocker(Error **reasonp) } } -void qmp_migrate_incoming(const char *uri, Error **errp) +void qmp_migrate_incoming(const char *uri, bool has_channels, + MigrationChannelList *channels, Error **errp) { Error *local_err = NULL; static bool once = true; @@ -1699,7 +1723,7 @@ void qmp_migrate_incoming(const char *uri, Error **errp) return; } - qemu_start_incoming_migration(uri, &local_err); + qemu_start_incoming_migration(uri, has_channels, channels, &local_err); if (local_err) { yank_unregister_instance(MIGRATION_YANK_INSTANCE); @@ -1735,7 +1759,7 @@ void qmp_migrate_recover(const char *uri, Error **errp) * only re-setup the migration stream and poke existing migration * to continue using that newly established channel. */ - qemu_start_incoming_migration(uri, errp); + qemu_start_incoming_migration(uri, false, NULL, errp); } void qmp_migrate_pause(Error **errp) @@ -1892,7 +1916,8 @@ static bool migrate_prepare(MigrationState *s, bool blk, bool blk_inc, return true; } -void qmp_migrate(const char *uri, bool has_blk, bool blk, +void qmp_migrate(const char *uri, bool has_channels, + MigrationChannelList *channels, bool has_blk, bool blk, bool has_inc, bool inc, bool has_detach, bool detach, bool has_resume, bool resume, Error **errp) { @@ -1901,6 +1926,27 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk, MigrationState *s = migrate_get_current(); g_autoptr(MigrationAddress) channel = NULL; + /* + * Having preliminary checks for uri and channel + */ + if (has_channels) { + error_setg(errp, "'channels' argument should not be set yet."); + return; + } + + if (uri && has_channels) { + error_setg(errp, "'uri' and 'channels' arguments are mutually " + "exclusive; exactly one of the two should be present in " + "'migrate' qmp command "); + return; + } + + if (!uri && !has_channels) { + error_setg(errp, "neither 'uri' or 'channels' argument are " + "specified in 'migrate' qmp command "); + return; + } + /* URI is not suitable for migration? */ if (!migration_channels_and_uri_compatible(uri, errp)) { return; |