From: Avihai Horon <avih...@nvidia.com> Add send and receive migration channel header for postcopy preempt channel.
Signed-off-by: Avihai Horon <avih...@nvidia.com> [MSS: Adapt to rewritten migration header passing commit] Signed-off-by: Maciej S. Szmigiero <maciej.szmigi...@oracle.com> --- migration/channel.h | 1 + migration/migration.c | 5 +++++ migration/postcopy-ram.c | 5 ++++- 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/migration/channel.h b/migration/channel.h index 95d281828aaa..c59ccedc7b6b 100644 --- a/migration/channel.h +++ b/migration/channel.h @@ -31,6 +31,7 @@ int migration_channel_read_peek(QIOChannel *ioc, Error **errp); typedef enum { MIG_CHANNEL_TYPE_MAIN, + MIG_CHANNEL_TYPE_POSTCOPY_PREEMPT, } MigChannelTypes; typedef struct QEMU_PACKED { diff --git a/migration/migration.c b/migration/migration.c index 0eb5b4f4f5a1..ac9ecf1f4f22 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1019,6 +1019,11 @@ void migration_ioc_process_incoming(QIOChannel *ioc, Error **errp) migration_incoming_setup(f); default_channel = true; break; + case MIG_CHANNEL_TYPE_POSTCOPY_PREEMPT: + assert(migrate_postcopy_preempt()); + f = qemu_file_new_input(ioc); + postcopy_preempt_new_channel(migration_incoming_get_current(), f); + break; default: error_setg(errp, "Received unknown migration channel type %u", header.channel_type); diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c index 53c90344acce..c7e9f7345970 100644 --- a/migration/postcopy-ram.c +++ b/migration/postcopy-ram.c @@ -1775,8 +1775,11 @@ int postcopy_preempt_establish_channel(MigrationState *s) void postcopy_preempt_setup(MigrationState *s) { PostcopyPChannelConnectData *data; + MigChannelHeader header = {}; - data = pcopy_preempt_connect_data_new(s, NULL); + header.channel_type = MIG_CHANNEL_TYPE_POSTCOPY_PREEMPT; + + data = pcopy_preempt_connect_data_new(s, &header); /* Kick an async task to connect */ socket_send_channel_create(postcopy_preempt_send_channel_new, data, pcopy_preempt_connect_data_unref);