Added support for asynchronous block ciphers.

1 files changed, 24 insertions, 0 deletions

diff --git a/cryptodev_int.h b/cryptodev_int.h
new file mode 100644
index 00000000000..f91bea749c3
--- /dev/null
+++ b/cryptodev_int.h
@@ -0,0 +1,24 @@
+struct cipher_data
+{
+	int type; /* 1 synchronous, 2 async, 0 uninitialized */
+	int blocksize;
+	int ivsize;
+	union {
+		struct {
+			struct crypto_blkcipher* s;
+			struct blkcipher_desc desc;
+		} blk;
+		struct {
+			struct crypto_ablkcipher* s;
+			struct cryptodev_result *async_result;
+			struct ablkcipher_request *async_request;
+			uint8_t iv[EALG_MAX_BLOCK_LEN];
+		} ablk;
+	} u;
+};
+
+int cryptodev_cipher_init(struct cipher_data* out, const char* alg_name, __user uint8_t * key, size_t keylen);
+void cryptodev_cipher_deinit(struct cipher_data* cdata);
+ssize_t cryptodev_cipher_decrypt( struct cipher_data* cdata, struct scatterlist *sg1, struct scatterlist *sg2, size_t len);
+ssize_t cryptodev_cipher_encrypt( struct cipher_data* cdata, struct scatterlist *sg1, struct scatterlist *sg2, size_t len);
+void cryptodev_cipher_set_iv(struct cipher_data* cdata, void* iv, size_t iv_size);