[Qemu-devel] [PATCH V4 8/9] qapi: convert BlockdevOptions to use enum discriminator

[Wenchao Xia <xiawenc@linux.vnet.ibm.com>]

After this patch, hidden enum type BlockdevOptionsKind will not
be generated, and other API can use enum BlockdevDriver.

Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
---
 qapi-schema.json |   14 +++++++++++++-
 1 files changed, 13 insertions(+), 1 deletions(-)

diff --git a/qapi-schema.json b/qapi-schema.json
index d6f8615..61249db 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -4046,6 +4046,18 @@
             '*no-flush': 'bool' } }
 
 ##
+# @BlockdevDriver
+#
+# Drivers that are supported in block device operations.
+#
+# Since: 2.0
+##
+{ 'enum': 'BlockdevDriver',
+  'data': [ 'file', 'http', 'https', 'ftp', 'ftps', 'tftp', 'vvfat', 'bochs',
+            'cloop', 'cow', 'dmg', 'parallels', 'qcow', 'qcow2', 'qed', 'raw',
+            'vdi', 'vhdx', 'vmdk', 'vpc' ] }
+
+##
 # @BlockdevOptionsBase
 #
 # Options that are available for all block devices, independent of the block
@@ -4068,7 +4080,7 @@
 # Since: 1.7
 ##
 { 'type': 'BlockdevOptionsBase',
-  'data': { 'driver': 'str',
+  'data': { 'driver': 'BlockdevDriver',
             '*id': 'str',
             '*discard': 'BlockdevDiscardOptions',
             '*cache': 'BlockdevCacheOptions',
-- 
1.7.1