From: Het Gala <het.gala@nutanix.com>
migration_channels_and_uri_compatible() check for transport mechanism
suitable for multifd migration gets executed when the caller calls old
uri syntax. It needs it to be run when using the modern MigrateChannel
QAPI syntax too.
After URI -> 'MigrateChannel' :
migration_channels_and_uri_compatible() ->
migration_channels_and_transport_compatible() passes object as argument
and check for valid transport mechanism.
Suggested-by: Aravind Retnakaran <aravind.retnakaran@nutanix.com>
Signed-off-by: Het Gala <het.gala@nutanix.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
---
migration/migration.c | 33 ++++++++++++++++++---------------
1 file changed, 18 insertions(+), 15 deletions(-)
diff --git a/migration/migration.c b/migration/migration.c
index 4356d9e701..192b7a97be 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -107,17 +107,20 @@ static bool migration_needs_multiple_sockets(void)
return migrate_multifd() || migrate_postcopy_preempt();
}
-static bool uri_supports_multi_channels(const char *uri)
+static bool transport_supports_multi_channels(SocketAddress *saddr)
{
- return strstart(uri, "tcp:", NULL) || strstart(uri, "unix:", NULL) ||
- strstart(uri, "vsock:", NULL);
+ return saddr->type == SOCKET_ADDRESS_TYPE_INET ||
+ saddr->type == SOCKET_ADDRESS_TYPE_UNIX ||
+ saddr->type == SOCKET_ADDRESS_TYPE_VSOCK;
}
static bool
-migration_channels_and_uri_compatible(const char *uri, Error **errp)
+migration_channels_and_transport_compatible(MigrationAddress *addr,
+ Error **errp)
{
if (migration_needs_multiple_sockets() &&
- !uri_supports_multi_channels(uri)) {
+ (addr->transport == MIGRATION_ADDRESS_TYPE_SOCKET) &&
+ !transport_supports_multi_channels(&addr->u.socket)) {
error_setg(errp, "Migration requires multi-channel URIs (e.g. tcp)");
return false;
}
@@ -509,15 +512,15 @@ static void qemu_start_incoming_migration(const char *uri, bool has_channels,
return;
}
- /* URI is not suitable for migration? */
- if (!migration_channels_and_uri_compatible(uri, errp)) {
- return;
- }
-
if (uri && !migrate_uri_parse(uri, &channel, errp)) {
return;
}
+ /* transport mechanism not suitable for migration? */
+ if (!migration_channels_and_transport_compatible(channel, errp)) {
+ return;
+ }
+
migrate_set_state(&mis->state, MIGRATION_STATUS_NONE,
MIGRATION_STATUS_SETUP);
@@ -1812,15 +1815,15 @@ void qmp_migrate(const char *uri, bool has_channels,
return;
}
- /* URI is not suitable for migration? */
- if (!migration_channels_and_uri_compatible(uri, errp)) {
- return;
- }
-
if (!migrate_uri_parse(uri, &channel, errp)) {
return;
}
+ /* transport mechanism not suitable for migration? */
+ if (!migration_channels_and_transport_compatible(channel, errp)) {
+ return;
+ }
+
resume_requested = has_resume && resume;
if (!migrate_prepare(s, has_blk && blk, has_inc && inc,
resume_requested, errp)) {
--
2.35.3