Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

Block pull request

# gpg: Signature made Mon 08 Sep 2014 11:49:31 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"

* remotes/stefanha/tags/block-pull-request: (24 commits)
  ide: Add resize callback to ide/core
  IDE: Fill the IDENTIFY request consistently
  vmdk: fix buf leak in vmdk_parse_extents()
  vmdk: fix vmdk_parse_extents() extent_file leaks
  ide: Add wwn support to IDE-ATAPI drive
  qtest/ide: Uninitialize PC allocator
  libqos: add a simple first-fit memory allocator
  MAINTAINERS: update sheepdog maintainer
  qemu-nbd: fix indentation and coding style
  qemu-nbd: add option to set detect-zeroes mode
  rename parse_enum_option to qapi_enum_parse and make it public
  block/archipelago: Use QEMU atomic builtins
  qemu-img: fix rebase src_cache option documentation
  qemu-img: clarify src_cache option documentation
  libqos: Added EVENT_IDX support
  libqos: Added MSI-X support
  libqos: Added test case for configuration changes in virtio-blk test
  libqos: Added indirect descriptor support to virtio implementation
  libqos: Added basic virtqueue support to virtio implementation
  tests: Add virtio device initialization
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 34 insertions, 0 deletions

diff --git a/qapi/qapi-util.c b/qapi/qapi-util.c
new file mode 100644
index 0000000000..1d8fb96eff
--- /dev/null
+++ b/qapi/qapi-util.c
@@ -0,0 +1,34 @@
+/*
+ * QAPI util functions
+ *
+ * Authors:
+ *  Hu Tao       <hutao@cn.fujitsu.com>
+ *  Peter Lieven <pl@kamp.de>
+ * 
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
+ * See the COPYING.LIB file in the top-level directory.
+ *
+ */
+
+#include "qemu-common.h"
+#include "qapi/error.h"
+#include "qapi/util.h"
+
+int qapi_enum_parse(const char *lookup[], const char *buf,
+                    int max, int def, Error **errp)
+{
+    int i;
+
+    if (!buf) {
+        return def;
+    }
+
+    for (i = 0; i < max; i++) {
+        if (!strcmp(buf, lookup[i])) {
+            return i;
+        }
+    }
+
+    error_setg(errp, "invalid parameter value: %s", buf);
+    return def;
+}