[Xen-devel] [PATCH 28/29] tools/xl: Restore v2 streams using new interface

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 tools/libxl/xl_cmdimpl.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index 26492fc..d17e333 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -136,6 +136,8 @@ static const char *action_on_shutdown_names[] = {
 
 #define SAVEFILE_BYTEORDER_VALUE ((uint32_t)0x01020304UL)
 
+#define SAVEFILE_MANDATORY_STREAMV2 (1 << 0)
+
 struct domain_create {
     int debug;
     int daemonize;
@@ -2115,7 +2117,7 @@ static uint32_t create_domain(struct domain_create 
*dom_info)
                 restore_source, hdr.mandatory_flags, hdr.optional_flags,
                 hdr.optional_data_len);
 
-        badflags = hdr.mandatory_flags & ~( 0 /* none understood yet */ );
+        badflags = hdr.mandatory_flags & ~SAVEFILE_MANDATORY_STREAMV2;
         if (badflags) {
             fprintf(stderr, "Savefile has mandatory flag(s) 0x%"PRIx32" "
                     "which are not supported; need newer xl\n",
@@ -2250,6 +2252,9 @@ start:
         libxl_domain_restore_params_init(&params);
 
         params.checkpointed_stream = dom_info->checkpointed_stream;
+        params.stream_version =
+            (hdr.mandatory_flags & SAVEFILE_MANDATORY_STREAMV2) ? 2 : 1;
+
         ret = libxl_domain_create_restore(ctx, &d_config,
                                           &domid, restore_fd,
                                           &params,
-- 
1.7.10.4


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