Re: [libvirt PATCH 60/80] qemu: Introduce qemuMigrationDstPrepareFresh

Moves most of the code from qemuMigrationDstPrepareAny to a new qemuMigrationDstPrepareFresh so that qemuMigrationDstPrepareAny can be shared with post-copy resume. Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com&gt; --- src/qemu/qemu_migration.c | 165 ++++++++++++++++++++++++-------------- 1 file changed, 103 insertions(+), 62 deletions(-) diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c index 8ed1c2c2b6..f1e3774034 100644 --- a/src/qemu/qemu_migration.c +++ b/src/qemu/qemu_migration.c

@@ -3499,6 +3461,85 @@ qemuMigrationDstPrepareAny(virQEMUDriver *driver, } +static int +qemuMigrationDstPrepareAny(virQEMUDriver *driver, + virConnectPtr dconn, + const char *cookiein, + int cookieinlen, + char **cookieout, + int *cookieoutlen, + virDomainDef **def, + const char *origname, + virStreamPtr st, + const char *protocol, + unsigned short port, + bool autoPort, + const char *listenAddress, + size_t nmigrate_disks, + const char **migrate_disks, + int nbdPort, + const char *nbdURI, + qemuMigrationParams *migParams, + unsigned long flags) +{ + g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver); + + if (flags & VIR_MIGRATE_OFFLINE) { + if (flags & (VIR_MIGRATE_NON_SHARED_DISK | + VIR_MIGRATE_NON_SHARED_INC)) { + virReportError(VIR_ERR_OPERATION_INVALID, "%s", + _("offline migration cannot handle " + "non-shared storage")); + return -1; + } + if (!(flags & VIR_MIGRATE_PERSIST_DEST)) { + virReportError(VIR_ERR_OPERATION_INVALID, "%s", + _("offline migration must be specified with " + "the persistent flag set")); + return -1; + } + if (st) { + virReportError(VIR_ERR_OPERATION_INVALID, "%s", + _("tunnelled offline migration does not " + "make sense")); + return -1; + } + } + + if (flags & VIR_MIGRATE_POSTCOPY && + (!(flags & VIR_MIGRATE_LIVE) || + flags & VIR_MIGRATE_PAUSED)) { + virReportError(VIR_ERR_ARGUMENT_UNSUPPORTED, "%s", + _("post-copy migration is not supported with non-live " + "or paused migration")); + return -1; + }