introduce an api colo_supported() to indicate COLO support, returns
true if colo supported(configured with --enable-colo).
Signed-off-by: Yang Hongyang <yanghy@xxxxxxxxxxxxxx>
---
Makefile.objs | 1 +
include/migration/migration-colo.h | 18 ++++++++++++++++++
migration-colo.c | 16 ++++++++++++++++
stubs/Makefile.objs | 1 +
stubs/migration-colo.c | 16 ++++++++++++++++
5 files changed, 52 insertions(+)
create mode 100644 include/migration/migration-colo.h
create mode 100644 migration-colo.c
create mode 100644 stubs/migration-colo.c
diff --git a/Makefile.objs b/Makefile.objs
index 1f76cea..cab5824 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -50,6 +50,7 @@ common-obj-$(CONFIG_POSIX) += os-posix.o
common-obj-$(CONFIG_LINUX) += fsdev/
common-obj-y += migration.o migration-tcp.o
+common-obj-$(CONFIG_COLO) += migration-colo.o
common-obj-y += vmstate.o
common-obj-y += qemu-file.o
common-obj-$(CONFIG_RDMA) += migration-rdma.o
diff --git a/include/migration/migration-colo.h b/include/migration/migration-colo.h
new file mode 100644
index 0000000..35b384c
--- /dev/null
+++ b/include/migration/migration-colo.h
@@ -0,0 +1,18 @@
+/*
+ * COarse-grain LOck-stepping Virtual Machines for Non-stop Service (COLO)
+ * (a.k.a. Fault Tolerance or Continuous Replication)
+ *
+ * Copyright (C) 2014 FUJITSU LIMITED
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_MIGRATION_COLO_H
+#define QEMU_MIGRATION_COLO_H
+
+#include "qemu-common.h"
+
+bool colo_supported(void);
+
+#endif
diff --git a/migration-colo.c b/migration-colo.c
new file mode 100644
index 0000000..1d3bef8
--- /dev/null
+++ b/migration-colo.c
@@ -0,0 +1,16 @@
+/*
+ * COarse-grain LOck-stepping Virtual Machines for Non-stop Service (COLO)
+ * (a.k.a. Fault Tolerance or Continuous Replication)
+ *
+ * Copyright (C) 2014 FUJITSU LIMITED
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ */
+
+#include "migration/migration-colo.h"
+
+bool colo_supported(void)
+{
+ return true;
+}
diff --git a/stubs/Makefile.objs b/stubs/Makefile.objs
index 528e161..6810c89 100644
--- a/stubs/Makefile.objs
+++ b/stubs/Makefile.objs
@@ -39,3 +39,4 @@ stub-obj-$(CONFIG_WIN32) += fd-register.o
stub-obj-y += cpus.o
stub-obj-y += kvm.o
stub-obj-y += qmp_pc_dimm_device_list.o
+stub-obj-y += migration-colo.o
diff --git a/stubs/migration-colo.c b/stubs/migration-colo.c
new file mode 100644
index 0000000..b9ee6a0
--- /dev/null
+++ b/stubs/migration-colo.c
@@ -0,0 +1,16 @@
+/*
+ * COarse-grain LOck-stepping Virtual Machines for Non-stop Service (COLO)
+ * (a.k.a. Fault Tolerance or Continuous Replication)
+ *
+ * Copyright (C) 2014 FUJITSU LIMITED
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ */
+
+#include "migration/migration-colo.h"
+
+bool colo_supported(void)
+{
+ return false;
+}
--
1.9.1
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