add support of sm4 xts .

Signed-off-by: Hanxiao Li <li.hanxiao@zte.com.cn>
---
lib/cryptodev/rte_crypto_sym.h | 4 +++-
lib/cryptodev/rte_cryptodev.c  | 3 ++-
2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/cryptodev/rte_crypto_sym.h b/lib/cryptodev/rte_crypto_sym.h
index 53b18b9412..b34d041fe0 100644
--- a/lib/cryptodev/rte_crypto_sym.h
+++ b/lib/cryptodev/rte_crypto_sym.h
@@ -176,8 +176,10 @@ enum rte_crypto_cipher_algorithm {
     /**< ShangMi 4 (SM4) algorithm in CTR mode */
     RTE_CRYPTO_CIPHER_SM4_OFB,
     /**< ShangMi 4 (SM4) algorithm in OFB mode */
-    RTE_CRYPTO_CIPHER_SM4_CFB
+    RTE_CRYPTO_CIPHER_SM4_CFB,
     /**< ShangMi 4 (SM4) algorithm in CFB mode */
+    RTE_CRYPTO_CIPHER_SM4_XTS
+    /**< ShangMi 4 (SM4) algorithm in XTS mode */
};

/** Symmetric Cipher Direction */
diff --git a/lib/cryptodev/rte_cryptodev.c b/lib/cryptodev/rte_cryptodev.c
index 682c9f49d0..83ead956a8 100644
--- a/lib/cryptodev/rte_cryptodev.c
+++ b/lib/cryptodev/rte_cryptodev.c
@@ -97,7 +97,8 @@ crypto_cipher_algorithm_strings[] = {
     [RTE_CRYPTO_CIPHER_SM4_CBC]    = "sm4-cbc",
     [RTE_CRYPTO_CIPHER_SM4_CTR]    = "sm4-ctr",
     [RTE_CRYPTO_CIPHER_SM4_CFB]    = "sm4-cfb",
-    [RTE_CRYPTO_CIPHER_SM4_OFB]    = "sm4-ofb"
+    [RTE_CRYPTO_CIPHER_SM4_OFB]    = "sm4-ofb",
+    [RTE_CRYPTO_CIPHER_SM4_XTS]    = "sm4-xts"
};

/**
--
2.27.0