[PATCH v2 15/37] migration: Add vmstate_info_int128

[Richard Henderson <richard.henderson@linaro.org>]

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 include/migration/vmstate.h |  1 +
 migration/vmstate-types.c   | 30 ++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
index 63ccaee07a..d8b9e157da 100644
--- a/include/migration/vmstate.h
+++ b/include/migration/vmstate.h
@@ -237,6 +237,7 @@ extern const VMStateInfo vmstate_info_int8;
 extern const VMStateInfo vmstate_info_int16;
 extern const VMStateInfo vmstate_info_int32;
 extern const VMStateInfo vmstate_info_int64;
+extern const VMStateInfo vmstate_info_int128;
 
 extern const VMStateInfo vmstate_info_uint8_equal;
 extern const VMStateInfo vmstate_info_uint16_equal;
diff --git a/migration/vmstate-types.c b/migration/vmstate-types.c
index 4b01dc19c2..d335340e34 100644
--- a/migration/vmstate-types.c
+++ b/migration/vmstate-types.c
@@ -18,6 +18,7 @@
 #include "migration/client-options.h"
 #include "qemu/error-report.h"
 #include "qemu/queue.h"
+#include "qemu/int128.h"
 #include "trace.h"
 #include "qapi/error.h"
 
@@ -194,6 +195,35 @@ const VMStateInfo vmstate_info_int64 = {
     .put  = put_int64,
 };
 
+/* 128 bit int */
+
+static int get_int128(QEMUFile *f, void *pv, size_t size,
+                      const VMStateField *field)
+{
+    Int128 *v = pv;
+    uint64_t hi, lo;
+
+    qemu_get_be64s(f, &hi);
+    qemu_get_be64s(f, &lo);
+    *v = int128_make128(lo, hi);
+    return 0;
+}
+
+static int put_int128(QEMUFile *f, void *pv, size_t size,
+                      const VMStateField *field, JSONWriter *vmdesc)
+{
+    Int128 *v = pv;
+    qemu_put_be64(f, int128_gethi(*v));
+    qemu_put_be64(f, int128_getlo(*v));
+    return 0;
+}
+
+const VMStateInfo vmstate_info_int128 = {
+    .name = "int128",
+    .get  = get_int128,
+    .put  = put_int128,
+};
+
 /* 8 bit unsigned int */
 
 static int get_uint8(QEMUFile *f, void *pv, size_t size,
-- 
2.43.0