--- /dev/null
+/*
+ * BSD LICENSE
+ *
+ * Copyright (C) Cavium networks Ltd. 2017.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Cavium networks nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _RTE_ARMV8_PMD_PRIVATE_H_
+#define _RTE_ARMV8_PMD_PRIVATE_H_
+
+#define ARMV8_CRYPTO_LOG_ERR(fmt, args...) \
+ RTE_LOG(ERR, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \
+ RTE_STR(CRYPTODEV_NAME_ARMV8_CRYPTO_PMD), \
+ __func__, __LINE__, ## args)
+
+#ifdef RTE_LIBRTE_ARMV8_CRYPTO_DEBUG
+#define ARMV8_CRYPTO_LOG_INFO(fmt, args...) \
+ RTE_LOG(INFO, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \
+ RTE_STR(CRYPTODEV_NAME_ARMV8_CRYPTO_PMD), \
+ __func__, __LINE__, ## args)
+
+#define ARMV8_CRYPTO_LOG_DBG(fmt, args...) \
+ RTE_LOG(DEBUG, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \
+ RTE_STR(CRYPTODEV_NAME_ARMV8_CRYPTO_PMD), \
+ __func__, __LINE__, ## args)
+
+#define ARMV8_CRYPTO_ASSERT(con) \
+do { \
+ if (!(con)) { \
+ rte_panic("%s(): " \
+ con "condition failed, line %u", __func__); \
+ } \
+} while (0)
+
+#else
+#define ARMV8_CRYPTO_LOG_INFO(fmt, args...)
+#define ARMV8_CRYPTO_LOG_DBG(fmt, args...)
+#define ARMV8_CRYPTO_ASSERT(con)
+#endif
+
+#define NBBY 8 /* Number of bits in a byte */
+#define BYTE_LENGTH(x) ((x) / NBBY) /* Number of bytes in x (round down) */
+
+/** ARMv8 operation order mode enumerator */
+enum armv8_crypto_chain_order {
+ ARMV8_CRYPTO_CHAIN_CIPHER_AUTH,
+ ARMV8_CRYPTO_CHAIN_AUTH_CIPHER,
+ ARMV8_CRYPTO_CHAIN_NOT_SUPPORTED,
+ ARMV8_CRYPTO_CHAIN_LIST_END = ARMV8_CRYPTO_CHAIN_NOT_SUPPORTED
+};
+
+/** ARMv8 cipher operation enumerator */
+enum armv8_crypto_cipher_operation {
+ ARMV8_CRYPTO_CIPHER_OP_ENCRYPT = RTE_CRYPTO_CIPHER_OP_ENCRYPT,
+ ARMV8_CRYPTO_CIPHER_OP_DECRYPT = RTE_CRYPTO_CIPHER_OP_DECRYPT,
+ ARMV8_CRYPTO_CIPHER_OP_NOT_SUPPORTED,
+ ARMV8_CRYPTO_CIPHER_OP_LIST_END = ARMV8_CRYPTO_CIPHER_OP_NOT_SUPPORTED
+};
+
+enum armv8_crypto_cipher_keylen {
+ ARMV8_CRYPTO_CIPHER_KEYLEN_128,
+ ARMV8_CRYPTO_CIPHER_KEYLEN_192,
+ ARMV8_CRYPTO_CIPHER_KEYLEN_256,
+ ARMV8_CRYPTO_CIPHER_KEYLEN_NOT_SUPPORTED,
+ ARMV8_CRYPTO_CIPHER_KEYLEN_LIST_END =
+ ARMV8_CRYPTO_CIPHER_KEYLEN_NOT_SUPPORTED
+};
+
+/** ARMv8 auth mode enumerator */
+enum armv8_crypto_auth_mode {
+ ARMV8_CRYPTO_AUTH_AS_AUTH,
+ ARMV8_CRYPTO_AUTH_AS_HMAC,
+ ARMV8_CRYPTO_AUTH_AS_CIPHER,
+ ARMV8_CRYPTO_AUTH_NOT_SUPPORTED,
+ ARMV8_CRYPTO_AUTH_LIST_END = ARMV8_CRYPTO_AUTH_NOT_SUPPORTED
+};
+
+#define CRYPTO_ORDER_MAX ARMV8_CRYPTO_CHAIN_LIST_END
+#define CRYPTO_CIPHER_OP_MAX ARMV8_CRYPTO_CIPHER_OP_LIST_END
+#define CRYPTO_CIPHER_KEYLEN_MAX ARMV8_CRYPTO_CIPHER_KEYLEN_LIST_END
+#define CRYPTO_CIPHER_MAX RTE_CRYPTO_CIPHER_LIST_END
+#define CRYPTO_AUTH_MAX RTE_CRYPTO_AUTH_LIST_END
+
+#define HMAC_IPAD_VALUE (0x36)
+#define HMAC_OPAD_VALUE (0x5C)
+
+#define SHA256_AUTH_KEY_LENGTH (BYTE_LENGTH(256))
+#define SHA256_BLOCK_SIZE (BYTE_LENGTH(512))
+
+#define SHA1_AUTH_KEY_LENGTH (BYTE_LENGTH(160))
+#define SHA1_BLOCK_SIZE (BYTE_LENGTH(512))
+
+#define SHA_AUTH_KEY_MAX SHA256_AUTH_KEY_LENGTH
+#define SHA_BLOCK_MAX SHA256_BLOCK_SIZE
+
+typedef int (*crypto_func_t)(uint8_t *, uint8_t *, uint64_t,
+ uint8_t *, uint8_t *, uint64_t,
+ crypto_arg_t *);
+
+typedef void (*crypto_key_sched_t)(uint8_t *, const uint8_t *);
+
+/** private data structure for each ARMv8 crypto device */
+struct armv8_crypto_private {
+ unsigned int max_nb_qpairs;
+ /**< Max number of queue pairs */
+ unsigned int max_nb_sessions;
+ /**< Max number of sessions */
+};
+
+/** ARMv8 crypto queue pair */
+struct armv8_crypto_qp {
+ uint16_t id;
+ /**< Queue Pair Identifier */
+ struct rte_ring *processed_ops;
+ /**< Ring for placing process packets */
+ struct rte_mempool *sess_mp;
+ /**< Session Mempool */
+ struct rte_cryptodev_stats stats;
+ /**< Queue pair statistics */
+ char name[RTE_CRYPTODEV_NAME_LEN];
+ /**< Unique Queue Pair Name */
+} __rte_cache_aligned;
+
+/** ARMv8 crypto private session structure */
+struct armv8_crypto_session {
+ enum armv8_crypto_chain_order chain_order;
+ /**< chain order mode */
+ crypto_func_t crypto_func;
+ /**< cryptographic function to use for this session */
+
+ /** Cipher Parameters */
+ struct {
+ enum rte_crypto_cipher_operation direction;
+ /**< cipher operation direction */
+ enum rte_crypto_cipher_algorithm algo;
+ /**< cipher algorithm */
+ int iv_len;
+ /**< IV length */
+
+ struct {
+ uint8_t data[256];
+ /**< key data */
+ size_t length;
+ /**< key length in bytes */
+ } key;
+
+ crypto_key_sched_t key_sched;
+ /**< Key schedule function */
+ } cipher;
+
+ /** Authentication Parameters */
+ struct {
+ enum rte_crypto_auth_operation operation;
+ /**< auth operation generate or verify */
+ enum armv8_crypto_auth_mode mode;
+ /**< auth operation mode */
+
+ union {
+ struct {
+ /* Add data if needed */
+ } auth;
+
+ struct {
+ uint8_t i_key_pad[SHA_BLOCK_MAX]
+ __rte_cache_aligned;
+ /**< inner pad (max supported block length) */
+ uint8_t o_key_pad[SHA_BLOCK_MAX]
+ __rte_cache_aligned;
+ /**< outer pad (max supported block length) */
+ uint8_t key[SHA_AUTH_KEY_MAX];
+ /**< HMAC key (max supported length)*/
+ } hmac;
+ };
+ } auth;
+
+} __rte_cache_aligned;
+
+/** Set and validate ARMv8 crypto session parameters */
+extern int armv8_crypto_set_session_parameters(
+ struct armv8_crypto_session *sess,
+ const struct rte_crypto_sym_xform *xform);
+
+/** device specific operations function pointer structure */
+extern struct rte_cryptodev_ops *rte_armv8_crypto_pmd_ops;
+
+#endif /* _RTE_ARMV8_PMD_PRIVATE_H_ */
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