[Xen-devel] [PATCH VERY RFC 2/5] tools/libxl: Stream v2 format

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

From: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>

TODO: Namespacing

Signed-off-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 tools/libxl/libxl_saverestore.h |   47 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 tools/libxl/libxl_saverestore.h

diff --git a/tools/libxl/libxl_saverestore.h b/tools/libxl/libxl_saverestore.h
new file mode 100644
index 0000000..31a22d6
--- /dev/null
+++ b/tools/libxl/libxl_saverestore.h
@@ -0,0 +1,47 @@
+#ifndef LIBXL_SAVERESTORE_H
+#define LIBXL_SAVERESTORE_H
+
+#include <stdint.h>
+
+/* Definitions for LibXenLight Domain Image Format version 2 */
+struct restore_hdr
+{
+    uint64_t ident;
+    uint32_t version;
+    uint32_t options;
+};
+
+struct restore_rec_hdr
+{
+    uint32_t type;
+    uint32_t length;
+};
+
+struct restore_emulator_hdr
+{
+    uint32_t id;
+    uint32_t index;
+};
+
+#define REC_TYPE_END                 0x00000000U
+#define REC_TYPE_DOMAIN_JSON         0x00000001U
+#define REC_TYPE_LIBXC_CONTEXT       0x00000002U
+#define REC_TYPE_XENSTORE_DATA       0x00000003U
+#define REC_TYPE_EMULATOR_CONTEXT    0x00000004U
+
+/* All records must be aligned up to an 8 octet boundary */
+#define REC_ALIGN_ORDER              3U
+
+#define ROUNDUP(_x,_w) (((unsigned long)(_x)+(1UL<<(_w))-1) & ~((1UL<<(_w))-1))
+
+#define EMULATOR_UNKNOWN             0x00000000U
+#define EMULATOR_QEMU_TRADITIONAL    0x00000001U
+#define EMULATOR_QEMU_UPSTREAM       0x00000002U
+
+#define RESTORE_STREAM_IDENT         0x4c6962786c466d74UL
+#define RESTORE_STREAM_VERSION       0x00000002U
+
+#define RESTORE_OPT_BIG_ENDIAN       (1 << 0)
+#define RESTORE_OPT_LEGACY           (1 << 1)
+
+#endif
-- 
1.7.10.4


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