cryptodev: Introduce cryptodev.json

Introduce QCryptodevBackendType in cryptodev.json, also apply this to
related codes. Then we can drop 'enum CryptoDevBackendOptionsType'.

Note that `CRYPTODEV_BACKEND_TYPE_NONE` is *NOT* used by anywhere, so
drop it(no 'none' enum in QCryptodevBackendType).

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Message-Id: <20230301105847.253084-2-pizhenwei@bytedance.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

qapi/cryptodev.json

@@ -0,0 +1,20 @@
+# -*- Mode: Python -*-
+# vim: filetype=python
+#
+# This work is licensed under the terms of the GNU GPL, version 2 or later.
+# See the COPYING file in the top-level directory.
+
+##
+# @QCryptodevBackendType:
+#
+# The crypto device backend type
+#
+# @builtin: the QEMU builtin support
+# @vhost-user: vhost-user
+# @lkcf: Linux kernel cryptographic framework
+#
+# Since: 8.0
+##
+{ 'enum': 'QCryptodevBackendType',
+  'prefix': 'QCRYPTODEV_BACKEND_TYPE',
+  'data': ['builtin', 'vhost-user', 'lkcf']}

qapi/meson.build

@@ -56,6 +56,7 @@ if have_system
   qapi_all_modules += [
     'acpi',
     'audio',
+    'cryptodev',
     'qdev',
     'pci',
     'rdma',

qapi/qapi-schema.json

@@ -95,3 +95,4 @@
 { 'include': 'pci.json' }
 { 'include': 'stats.json' }
 { 'include': 'virtio.json' }
+{ 'include': 'cryptodev.json' }