[Xen-devel] [PATCH v4 1/3] libxc: move migration_stream's definition to xenguest.h

[Wen Congyang <wency@xxxxxxxxxxxxxx>]

xc_domain_save() and xc_domain_restore's parameter will use this type,
so it should be public.

Signed-off-by: Wen Congyang <wency@xxxxxxxxxxxxxx>
Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
v2->v3: Rename MIG_STREAM_* to XC_MIG_STREAM_*
 tools/libxc/include/xenguest.h |  7 ++++++-
 tools/libxc/xc_sr_common.h     | 10 ----------
 tools/libxc/xc_sr_save.c       | 12 ++++++------
 3 files changed, 12 insertions(+), 17 deletions(-)

diff --git a/tools/libxc/include/xenguest.h b/tools/libxc/include/xenguest.h
index affc42b..cf521c3 100644
--- a/tools/libxc/include/xenguest.h
+++ b/tools/libxc/include/xenguest.h
@@ -75,13 +75,18 @@ struct save_callbacks {
     void* data;
 };
 
+typedef enum {
+    XC_MIG_STREAM_NONE, /* plain stream */
+    XC_MIG_STREAM_REMUS,
+} xc_migration_stream_t;
+
 /**
  * This function will save a running domain.
  *
  * @parm xch a handle to an open hypervisor interface
  * @parm fd the file descriptor to save a domain to
  * @parm dom the id of the domain
- * @param checkpointed_stream MIG_STREAM_NONE if the far end of the stream
+ * @param checkpointed_stream XC_MIG_STREAM_NONE if the far end of the stream
  *        doesn't use checkpointing
  * @return 0 on success, -1 on failure
  */
diff --git a/tools/libxc/xc_sr_common.h b/tools/libxc/xc_sr_common.h
index 66f595f..e7568b5 100644
--- a/tools/libxc/xc_sr_common.h
+++ b/tools/libxc/xc_sr_common.h
@@ -180,16 +180,6 @@ struct xc_sr_context
 
     xc_dominfo_t dominfo;
 
-    /*
-     * migration stream
-     * 0: Plain VM
-     * 1: Remus
-     */
-    enum {
-        MIG_STREAM_NONE, /* plain stream */
-        MIG_STREAM_REMUS,
-    } migration_stream;
-
     union /* Common save or restore data. */
     {
         struct /* Save data. */
diff --git a/tools/libxc/xc_sr_save.c b/tools/libxc/xc_sr_save.c
index e258b7c..ab59673 100644
--- a/tools/libxc/xc_sr_save.c
+++ b/tools/libxc/xc_sr_save.c
@@ -629,7 +629,7 @@ static int send_domain_memory_live(struct xc_sr_context 
*ctx)
     if ( rc )
         goto out;
 
-    if ( ctx->save.debug && ctx->save.checkpointed != MIG_STREAM_NONE )
+    if ( ctx->save.debug && ctx->save.checkpointed != XC_MIG_STREAM_NONE )
     {
         rc = verify_frames(ctx);
         if ( rc )
@@ -758,7 +758,7 @@ static int save(struct xc_sr_context *ctx, uint16_t 
guest_type)
 
         if ( ctx->save.live )
             rc = send_domain_memory_live(ctx);
-        else if ( ctx->save.checkpointed != MIG_STREAM_NONE )
+        else if ( ctx->save.checkpointed != XC_MIG_STREAM_NONE )
             rc = send_domain_memory_checkpointed(ctx);
         else
             rc = send_domain_memory_nonlive(ctx);
@@ -778,7 +778,7 @@ static int save(struct xc_sr_context *ctx, uint16_t 
guest_type)
         if ( rc )
             goto err;
 
-        if ( ctx->save.checkpointed != MIG_STREAM_NONE )
+        if ( ctx->save.checkpointed != XC_MIG_STREAM_NONE )
         {
             /*
              * We have now completed the initial live portion of the checkpoint
@@ -799,7 +799,7 @@ static int save(struct xc_sr_context *ctx, uint16_t 
guest_type)
             if ( rc <= 0 )
                 goto err;
         }
-    } while ( ctx->save.checkpointed != MIG_STREAM_NONE );
+    } while ( ctx->save.checkpointed != XC_MIG_STREAM_NONE );
 
     xc_report_progress_single(xch, "End of stream");
 
@@ -845,8 +845,8 @@ int xc_domain_save(xc_interface *xch, int io_fd, uint32_t 
dom,
     ctx.save.checkpointed = checkpointed_stream;
 
     /* If altering migration_stream update this assert too. */
-    assert(checkpointed_stream == MIG_STREAM_NONE ||
-           checkpointed_stream == MIG_STREAM_REMUS);
+    assert(checkpointed_stream == XC_MIG_STREAM_NONE ||
+           checkpointed_stream == XC_MIG_STREAM_REMUS);
 
     /*
      * TODO: Find some time to better tweak the live migration algorithm.
-- 
2.5.0




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