1 files changed, 15 insertions, 1 deletions
diff --git a/crypto/blockpriv.h b/crypto/blockpriv.h
index 438c08bec2..5438e822fd 100644
--- a/crypto/blockpriv.h
+++ b/crypto/blockpriv.h
@@ -22,6 +22,7 @@
 #define QCRYPTO_BLOCKPRIV_H
 
 #include "crypto/block.h"
+#include "qemu/thread.h"
 
 typedef struct QCryptoBlockDriver QCryptoBlockDriver;
 
@@ -31,8 +32,12 @@ struct QCryptoBlock {
     const QCryptoBlockDriver *driver;
     void *opaque;
 
-    QCryptoCipher *cipher;
+    QCryptoCipher **ciphers;
+    size_t n_ciphers;
+    size_t n_free_ciphers;
     QCryptoIVGen *ivgen;
+    QemuMutex mutex;
+
     QCryptoHashAlgorithm kdfhash;
     size_t niv;
     uint64_t payload_offset; /* In bytes */
@@ -46,6 +51,7 @@ struct QCryptoBlockDriver {
                 QCryptoBlockReadFunc readfunc,
                 void *opaque,
                 unsigned int flags,
+                size_t n_threads,
                 Error **errp);
 
     int (*create)(QCryptoBlock *block,
@@ -110,4 +116,12 @@ int qcrypto_block_encrypt_helper(QCryptoBlock *block,
                                  size_t len,
                                  Error **errp);
 
+int qcrypto_block_init_cipher(QCryptoBlock *block,
+                              QCryptoCipherAlgorithm alg,
+                              QCryptoCipherMode mode,
+                              const uint8_t *key, size_t nkey,
+                              size_t n_threads, Error **errp);
+
+void qcrypto_block_free_cipher(QCryptoBlock *block);
+
 #endif /* QCRYPTO_BLOCKPRIV_H */