Initial commit

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>

modules/cas_cache/layer_upgrade.h

@@ -0,0 +1,46 @@
+/*
+* Copyright(c) 2012-2019 Intel Corporation
+* SPDX-License-Identifier: BSD-3-Clause-Clear
+*/
+
+#ifndef __LAYER_UPGRADE_H
+
+#define __LAYER_UPGRADE_H
+
+#include "cas_cache/cas_cache.h"
+
+extern bool in_upgrade;
+
+/**
+ * @brief Check that CAS is in upgarde state
+ * @return true if is or false if isn't
+ */
+bool cas_upgrade_is_in_upgrade(void);
+
+/**
+ * @brief Check that caches configuration is stored at casdsk
+ * @return 0 if exist
+ */
+int cas_upgrade_get_configuration(void);
+
+/**
+ * @brief Start upgrade in flight procedure, dump configuration,
+ *          switch caches to PT and close caches
+ * @return result
+ */
+int cas_upgrade(void);
+
+/**
+ * @brief Finish upgrade in new CAS module - restore all caches
+ * @return result of restoring
+ */
+int cas_upgrade_finish(void);
+
+/**
+ * @brief Try to parse configuration stored in casdisk
+ * @return result of verification
+ */
+int cas_upgrade_verify(void);
+
+#endif /* __LAYER_UPGRADE_H */
+