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authorJuan Quintela <quintela@redhat.com>2016-01-14 12:23:00 +0100
committerJuan Quintela <quintela@redhat.com>2017-09-22 14:11:20 +0200
commit30126bbf1f7fcad0bf4c65b01a21ff22a36a9759 (patch)
tree568496fd82424618fa599a21a6bd6a0f8fbe7dc0
parent428d89084c709e568f9cd301c2f6416a54c53d6d (diff)
migration: Add multifd capability
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> -- Use new DEFINE_PROP
-rw-r--r--migration/migration.c10
-rw-r--r--migration/migration.h1
-rw-r--r--qapi/migration.json4
3 files changed, 14 insertions, 1 deletions
diff --git a/migration/migration.c b/migration/migration.c
index bac4a99277..958b783bcf 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1449,6 +1449,15 @@ bool migrate_use_events(void)
return s->enabled_capabilities[MIGRATION_CAPABILITY_EVENTS];
}
+bool migrate_use_multifd(void)
+{
+ MigrationState *s;
+
+ s = migrate_get_current();
+
+ return s->enabled_capabilities[MIGRATION_CAPABILITY_X_MULTIFD];
+}
+
int migrate_use_xbzrle(void)
{
MigrationState *s;
@@ -2227,6 +2236,7 @@ static Property migration_properties[] = {
DEFINE_PROP_MIG_CAP("x-release-ram", MIGRATION_CAPABILITY_RELEASE_RAM),
DEFINE_PROP_MIG_CAP("x-block", MIGRATION_CAPABILITY_BLOCK),
DEFINE_PROP_MIG_CAP("x-return-path", MIGRATION_CAPABILITY_RETURN_PATH),
+ DEFINE_PROP_MIG_CAP("x-multifd", MIGRATION_CAPABILITY_X_MULTIFD),
DEFINE_PROP_END_OF_LIST(),
};
diff --git a/migration/migration.h b/migration/migration.h
index 1881e4a754..b7437f16ce 100644
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -174,6 +174,7 @@ bool migrate_postcopy_ram(void);
bool migrate_zero_blocks(void);
bool migrate_auto_converge(void);
+bool migrate_use_multifd(void);
int migrate_use_xbzrle(void);
int64_t migrate_xbzrle_cache_size(void);
diff --git a/qapi/migration.json b/qapi/migration.json
index ee2b3b8733..ec4a88a43a 100644
--- a/qapi/migration.json
+++ b/qapi/migration.json
@@ -341,12 +341,14 @@
# @return-path: If enabled, migration will use the return path even
# for precopy. (since 2.10)
#
+# @x-multifd: Use more than one fd for migration (since 2.11)
+#
# Since: 1.2
##
{ 'enum': 'MigrationCapability',
'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks',
'compress', 'events', 'postcopy-ram', 'x-colo', 'release-ram',
- 'block', 'return-path' ] }
+ 'block', 'return-path', 'x-multifd' ] }
##
# @MigrationCapabilityStatus: