qemu/uuid: Add UUID static initializer

UUID's are defined as network byte order fields.  No static initializer
was available for UUID's in their standard big endian format.

Define a big endian initializer for UUIDs.

Reviewed-by: Gregory Price <gregory.price@memverge.com>
Tested-by: Gregory Price <gregory.price@memverge.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20230206172816.8201-10-Jonathan.Cameron@huawei.com>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/include/qemu/uuid.h b/include/qemu/uuid.h
index 9925febfa54d3d5dc8e81b114a37c3dd19a7613d..dc40ee1fc998b9b25b2b936d2df8cdba78604651 100644 (file)
--- a/include/qemu/uuid.h
+++ b/include/qemu/uuid.h
@@ -61,6 +61,18 @@ typedef struct {
     (clock_seq_hi_and_reserved), (clock_seq_low), (node0), (node1), (node2),\
     (node3), (node4), (node5) }
 
+/* Normal (network byte order) UUID */
+#define UUID(time_low, time_mid, time_hi_and_version,                    \
+  clock_seq_hi_and_reserved, clock_seq_low, node0, node1, node2,         \
+  node3, node4, node5)                                                   \
+  { ((time_low) >> 24) & 0xff, ((time_low) >> 16) & 0xff,                \
+    ((time_low) >> 8) & 0xff, (time_low) & 0xff,                         \
+    ((time_mid) >> 8) & 0xff, (time_mid) & 0xff,                         \
+    ((time_hi_and_version) >> 8) & 0xff, (time_hi_and_version) & 0xff,   \
+    (clock_seq_hi_and_reserved), (clock_seq_low),                        \
+    (node0), (node1), (node2), (node3), (node4), (node5)                 \
+  }
+
 #define UUID_FMT "%02hhx%02hhx%02hhx%02hhx-" \
                  "%02hhx%02hhx-%02hhx%02hhx-" \
                  "%02hhx%02hhx-" \