qapi-schema: Collect migration stuff in qapi/migration.json

Cc: Juan Quintela <quintela@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1503602048-12268-10-git-send-email-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

MAINTAINERS

@@ -1498,6 +1498,7 @@ F: migration/
 F: scripts/vmstate-static-checker.py
 F: tests/vmstate-static-checker-data/
 F: docs/migration.txt
+F: qapi/migration.json
 
 Seccomp
 M: Eduardo Otubo <otubo@redhat.com>

Makefile

@@ -413,6 +413,7 @@ qapi-modules = $(SRC_PATH)/qapi-schema.json $(SRC_PATH)/qapi/common.json \
                $(SRC_PATH)/qapi/char.json \
                $(SRC_PATH)/qapi/crypto.json \
                $(SRC_PATH)/qapi/event.json $(SRC_PATH)/qapi/introspect.json \
+               $(SRC_PATH)/qapi/migration.json \
                $(SRC_PATH)/qapi/net.json \
                $(SRC_PATH)/qapi/rocker.json \
                $(SRC_PATH)/qapi/run-state.json \

qapi/common.json

@@ -173,3 +173,19 @@
 { 'struct': 'String',
   'data': {
     'str': 'str' } }
+
+##
+# @StrOrNull:
+#
+# This is a string value or the explicit lack of a string (null
+# pointer in C).  Intended for cases when 'optional absent' already
+# has a different meaning.
+#
+# @s: the string value
+# @n: no string value
+#
+# Since: 2.10
+##
+{ 'alternate': 'StrOrNull',
+  'data': { 's': 'str',
+            'n': 'null' } }

qapi/event.json

@@ -50,44 +50,6 @@
 { 'event': 'DEVICE_DELETED',
   'data': { '*device': 'str', 'path': 'str' } }
 
-##
-# @MIGRATION:
-#
-# Emitted when a migration event happens
-#
-# @status: @MigrationStatus describing the current migration status.
-#
-# Since: 2.4
-#
-# Example:
-#
-# <- {"timestamp": {"seconds": 1432121972, "microseconds": 744001},
-#     "event": "MIGRATION",
-#     "data": {"status": "completed"} }
-#
-##
-{ 'event': 'MIGRATION',
-  'data': {'status': 'MigrationStatus'}}
-
-##
-# @MIGRATION_PASS:
-#
-# Emitted from the source side of a migration at the start of each pass
-# (when it syncs the dirty bitmap)
-#
-# @pass: An incrementing count (starting at 1 on the first pass)
-#
-# Since: 2.6
-#
-# Example:
-#
-# { "timestamp": {"seconds": 1449669631, "microseconds": 239225},
-#   "event": "MIGRATION_PASS", "data": {"pass": 2} }
-#
-##
-{ 'event': 'MIGRATION_PASS',
-  'data': { 'pass': 'int' } }
-
 ##
 # @ACPI_DEVICE_OST:
 #