From 47f292dd35c4f2163d4a5f6d8673128c74e91a48 Mon Sep 17 00:00:00 2001
From: Peter Krempa <pkrempa@redhat.com>
Date: Thu, 14 Jul 2016 13:58:26 +0200
Subject: [PATCH] util: storage: Add support for host device backing specified
 via JSON

JSON pseudo protocol for qemu allows to explicitly specify devices.
Add convertor to the internal type.
---
 src/util/virstoragefile.c | 2 ++
 tests/virstoragetest.c    | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
index 763bec6cae..766ae28562 100644
--- a/src/util/virstoragefile.c
+++ b/src/util/virstoragefile.c
@@ -2545,6 +2545,8 @@ struct virStorageSourceJSONDriverParser {
 
 static const struct virStorageSourceJSONDriverParser jsonParsers[] = {
     {"file", virStorageSourceParseBackingJSONPath, VIR_STORAGE_TYPE_FILE},
+    {"host_device", virStorageSourceParseBackingJSONPath, VIR_STORAGE_TYPE_BLOCK},
+    {"host_cdrom", virStorageSourceParseBackingJSONPath, VIR_STORAGE_TYPE_BLOCK},
 };
 
 
diff --git a/tests/virstoragetest.c b/tests/virstoragetest.c
index 04575f210f..6873180db2 100644
--- a/tests/virstoragetest.c
+++ b/tests/virstoragetest.c
@@ -1370,6 +1370,12 @@ mymain(void)
                                         "}"
                             "}",
                        "<source file='/path/to/file'/>\n");
+    TEST_BACKING_PARSE("json:{\"file.driver\":\"host_device\", "
+                             "\"file.filename\":\"/path/to/dev\"}",
+                       "<source dev='/path/to/dev'/>\n");
+    TEST_BACKING_PARSE("json:{\"file.driver\":\"host_cdrom\", "
+                             "\"file.filename\":\"/path/to/cdrom\"}",
+                       "<source dev='/path/to/cdrom'/>\n");
 
  cleanup:
     /* Final cleanup */
-- 
2.47.2