1 files changed, 30 insertions, 0 deletions
diff --git a/src/librbd/crypto/EncryptionFormat.h b/src/librbd/crypto/EncryptionFormat.h
new file mode 100644
index 000000000..ba57a9252
--- /dev/null
+++ b/src/librbd/crypto/EncryptionFormat.h
@@ -0,0 +1,30 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_CRYPTO_ENCRYPTION_FORMAT_H
+#define CEPH_LIBRBD_CRYPTO_ENCRYPTION_FORMAT_H
+
+#include "common/ref.h"
+
+struct Context;
+
+namespace librbd {
+namespace crypto {
+
+struct CryptoInterface;
+
+template <typename ImageCtxT>
+struct EncryptionFormat {
+  virtual ~EncryptionFormat() {
+  }
+
+  virtual void format(ImageCtxT* ictx, Context* on_finish) = 0;
+  virtual void load(ImageCtxT* ictx, Context* on_finish) = 0;
+
+  virtual ceph::ref_t<CryptoInterface> get_crypto() = 0;
+};
+
+} // namespace crypto
+} // namespace librbd
+
+#endif // CEPH_LIBRBD_CRYPTO_ENCRYPTION_FORMAT_H