migration: Make xbzrle_cache_size a migration parameter
Right now it is a variable in MigrationState instead of a
MigrationParameter. The change allows to set it as the rest of the
Migration parameters, from the command line, with
query_migration_paramters, set_migrate_parameters, etc.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
diff --git a/qapi/migration.json b/qapi/migration.json
index 6ae866e..bbc4671 100644
--- a/qapi/migration.json
+++ b/qapi/migration.json
@@ -483,6 +483,11 @@
# @x-multifd-page-count: Number of pages sent together to a thread.
# The default value is 16 (since 2.11)
#
+# @xbzrle-cache-size: cache size to be used by XBZRLE migration. It
+# needs to be a multiple of the target page size
+# and a power of 2
+# (Since 2.11)
+#
# Since: 2.4
##
{ 'enum': 'MigrationParameter',
@@ -490,7 +495,8 @@
'cpu-throttle-initial', 'cpu-throttle-increment',
'tls-creds', 'tls-hostname', 'max-bandwidth',
'downtime-limit', 'x-checkpoint-delay', 'block-incremental',
- 'x-multifd-channels', 'x-multifd-page-count' ] }
+ 'x-multifd-channels', 'x-multifd-page-count',
+ 'xbzrle-cache-size' ] }
##
# @MigrateSetParameters:
@@ -554,6 +560,10 @@
# @x-multifd-page-count: Number of pages sent together to a thread.
# The default value is 16 (since 2.11)
#
+# @xbzrle-cache-size: cache size to be used by XBZRLE migration. It
+# needs to be a multiple of the target page size
+# and a power of 2
+# (Since 2.11)
# Since: 2.4
##
# TODO either fuse back into MigrationParameters, or make
@@ -571,7 +581,8 @@
'*x-checkpoint-delay': 'int',
'*block-incremental': 'bool',
'*x-multifd-channels': 'int',
- '*x-multifd-page-count': 'int' } }
+ '*x-multifd-page-count': 'int',
+ '*xbzrle-cache-size': 'size' } }
##
# @migrate-set-parameters:
@@ -650,6 +661,10 @@
# @x-multifd-page-count: Number of pages sent together to a thread.
# The default value is 16 (since 2.11)
#
+# @xbzrle-cache-size: cache size to be used by XBZRLE migration. It
+# needs to be a multiple of the target page size
+# and a power of 2
+# (Since 2.11)
# Since: 2.4
##
{ 'struct': 'MigrationParameters',
@@ -665,7 +680,8 @@
'*x-checkpoint-delay': 'int',
'*block-incremental': 'bool' ,
'*x-multifd-channels': 'int',
- '*x-multifd-page-count': 'int' } }
+ '*x-multifd-page-count': 'int',
+ '*xbzrle-cache-size': 'size' } }
##
# @query-migrate-parameters:
@@ -947,6 +963,8 @@
#
# Returns: nothing on success
#
+# Notes: This command is deprecated in favor of 'migrate-set-parameters'
+#
# Since: 1.2
#
# Example:
@@ -965,6 +983,8 @@
#
# Returns: XBZRLE cache size in bytes
#
+# Notes: This command is deprecated in favor of 'query-migrate-parameters'
+#
# Since: 1.2
#
# Example:
