--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Advanced Micro Devices, Inc. All rights reserved.
+ */
+
+#ifndef _CCP_CRYPTO_H_
+#define _CCP_CRYPTO_H_
+
+#include <limits.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <string.h>
+
+#include <rte_atomic.h>
+#include <rte_byteorder.h>
+#include <rte_io.h>
+#include <rte_pci.h>
+#include <rte_spinlock.h>
+#include <rte_crypto_sym.h>
+#include <rte_cryptodev.h>
+
+#include "ccp_dev.h"
+
+#define AES_BLOCK_SIZE 16
+#define CMAC_PAD_VALUE 0x80
+#define CTR_NONCE_SIZE 4
+#define CTR_IV_SIZE 8
+#define CCP_SHA3_CTX_SIZE 200
+
+/**Macro helpers for CCP command creation*/
+#define CCP_AES_SIZE(p) ((p)->aes.size)
+#define CCP_AES_ENCRYPT(p) ((p)->aes.encrypt)
+#define CCP_AES_MODE(p) ((p)->aes.mode)
+#define CCP_AES_TYPE(p) ((p)->aes.type)
+#define CCP_DES_ENCRYPT(p) ((p)->des.encrypt)
+#define CCP_DES_MODE(p) ((p)->des.mode)
+#define CCP_DES_TYPE(p) ((p)->des.type)
+#define CCP_SHA_TYPE(p) ((p)->sha.type)
+#define CCP_PT_BYTESWAP(p) ((p)->pt.byteswap)
+#define CCP_PT_BITWISE(p) ((p)->pt.bitwise)
+
+/* HMAC */
+#define HMAC_IPAD_VALUE 0x36
+#define HMAC_OPAD_VALUE 0x5c
+
+/* MD5 */
+#define MD5_DIGEST_SIZE 16
+#define MD5_BLOCK_SIZE 64
+
+/* SHA */
+#define SHA_COMMON_DIGEST_SIZE 32
+#define SHA1_DIGEST_SIZE 20
+#define SHA1_BLOCK_SIZE 64
+
+#define SHA224_DIGEST_SIZE 28
+#define SHA224_BLOCK_SIZE 64
+#define SHA3_224_BLOCK_SIZE 144
+
+#define SHA256_DIGEST_SIZE 32
+#define SHA256_BLOCK_SIZE 64
+#define SHA3_256_BLOCK_SIZE 136
+
+#define SHA384_DIGEST_SIZE 48
+#define SHA384_BLOCK_SIZE 128
+#define SHA3_384_BLOCK_SIZE 104
+
+#define SHA512_DIGEST_SIZE 64
+#define SHA512_BLOCK_SIZE 128
+#define SHA3_512_BLOCK_SIZE 72
+
+/* Maximum length for digest */
+#define DIGEST_LENGTH_MAX 64
+
+/* SHA LSB intialiazation values */
+
+#define SHA1_H0 0x67452301UL
+#define SHA1_H1 0xefcdab89UL
+#define SHA1_H2 0x98badcfeUL
+#define SHA1_H3 0x10325476UL
+#define SHA1_H4 0xc3d2e1f0UL
+
+#define SHA224_H0 0xc1059ed8UL
+#define SHA224_H1 0x367cd507UL
+#define SHA224_H2 0x3070dd17UL
+#define SHA224_H3 0xf70e5939UL
+#define SHA224_H4 0xffc00b31UL
+#define SHA224_H5 0x68581511UL
+#define SHA224_H6 0x64f98fa7UL
+#define SHA224_H7 0xbefa4fa4UL
+
+#define SHA256_H0 0x6a09e667UL
+#define SHA256_H1 0xbb67ae85UL
+#define SHA256_H2 0x3c6ef372UL
+#define SHA256_H3 0xa54ff53aUL
+#define SHA256_H4 0x510e527fUL
+#define SHA256_H5 0x9b05688cUL
+#define SHA256_H6 0x1f83d9abUL
+#define SHA256_H7 0x5be0cd19UL
+
+#define SHA384_H0 0xcbbb9d5dc1059ed8ULL
+#define SHA384_H1 0x629a292a367cd507ULL
+#define SHA384_H2 0x9159015a3070dd17ULL
+#define SHA384_H3 0x152fecd8f70e5939ULL
+#define SHA384_H4 0x67332667ffc00b31ULL
+#define SHA384_H5 0x8eb44a8768581511ULL
+#define SHA384_H6 0xdb0c2e0d64f98fa7ULL
+#define SHA384_H7 0x47b5481dbefa4fa4ULL
+
+#define SHA512_H0 0x6a09e667f3bcc908ULL
+#define SHA512_H1 0xbb67ae8584caa73bULL
+#define SHA512_H2 0x3c6ef372fe94f82bULL
+#define SHA512_H3 0xa54ff53a5f1d36f1ULL
+#define SHA512_H4 0x510e527fade682d1ULL
+#define SHA512_H5 0x9b05688c2b3e6c1fULL
+#define SHA512_H6 0x1f83d9abfb41bd6bULL
+#define SHA512_H7 0x5be0cd19137e2179ULL
+
+/**
+ * CCP supported AES modes
+ */
+enum ccp_aes_mode {
+ CCP_AES_MODE_ECB = 0,
+ CCP_AES_MODE_CBC,
+ CCP_AES_MODE_OFB,
+ CCP_AES_MODE_CFB,
+ CCP_AES_MODE_CTR,
+ CCP_AES_MODE_CMAC,
+ CCP_AES_MODE_GHASH,
+ CCP_AES_MODE_GCTR,
+ CCP_AES_MODE__LAST,
+};
+
+/**
+ * CCP AES GHASH mode
+ */
+enum ccp_aes_ghash_mode {
+ CCP_AES_MODE_GHASH_AAD = 0,
+ CCP_AES_MODE_GHASH_FINAL
+};
+
+/**
+ * CCP supported AES types
+ */
+enum ccp_aes_type {
+ CCP_AES_TYPE_128 = 0,
+ CCP_AES_TYPE_192,
+ CCP_AES_TYPE_256,
+ CCP_AES_TYPE__LAST,
+};
+
+/***** 3DES engine *****/
+
+/**
+ * CCP supported DES/3DES modes
+ */
+enum ccp_des_mode {
+ CCP_DES_MODE_ECB = 0, /* Not supported */
+ CCP_DES_MODE_CBC,
+ CCP_DES_MODE_CFB,
+};
+
+/**
+ * CCP supported DES types
+ */
+enum ccp_des_type {
+ CCP_DES_TYPE_128 = 0, /* 112 + 16 parity */
+ CCP_DES_TYPE_192, /* 168 + 24 parity */
+ CCP_DES_TYPE__LAST,
+};
+
+/***** SHA engine *****/
+
+/**
+ * ccp_sha_type - type of SHA operation
+ *
+ * @CCP_SHA_TYPE_1: SHA-1 operation
+ * @CCP_SHA_TYPE_224: SHA-224 operation
+ * @CCP_SHA_TYPE_256: SHA-256 operation
+ */
+enum ccp_sha_type {
+ CCP_SHA_TYPE_1 = 1,
+ CCP_SHA_TYPE_224,
+ CCP_SHA_TYPE_256,
+ CCP_SHA_TYPE_384,
+ CCP_SHA_TYPE_512,
+ CCP_SHA_TYPE_RSVD1,
+ CCP_SHA_TYPE_RSVD2,
+ CCP_SHA3_TYPE_224,
+ CCP_SHA3_TYPE_256,
+ CCP_SHA3_TYPE_384,
+ CCP_SHA3_TYPE_512,
+ CCP_SHA_TYPE__LAST,
+};
+
+/**
+ * CCP supported cipher algorithms
+ */
+enum ccp_cipher_algo {
+ CCP_CIPHER_ALGO_AES_CBC = 0,
+ CCP_CIPHER_ALGO_AES_ECB,
+ CCP_CIPHER_ALGO_AES_CTR,
+ CCP_CIPHER_ALGO_AES_GCM,
+ CCP_CIPHER_ALGO_3DES_CBC,
+};
+
+/**
+ * CCP cipher operation type
+ */
+enum ccp_cipher_dir {
+ CCP_CIPHER_DIR_DECRYPT = 0,
+ CCP_CIPHER_DIR_ENCRYPT = 1,
+};
+
+/**
+ * CCP supported hash algorithms
+ */
+enum ccp_hash_algo {
+ CCP_AUTH_ALGO_SHA1 = 0,
+ CCP_AUTH_ALGO_SHA1_HMAC,
+ CCP_AUTH_ALGO_SHA224,
+ CCP_AUTH_ALGO_SHA224_HMAC,
+ CCP_AUTH_ALGO_SHA3_224,
+ CCP_AUTH_ALGO_SHA3_224_HMAC,
+ CCP_AUTH_ALGO_SHA256,
+ CCP_AUTH_ALGO_SHA256_HMAC,
+ CCP_AUTH_ALGO_SHA3_256,
+ CCP_AUTH_ALGO_SHA3_256_HMAC,
+ CCP_AUTH_ALGO_SHA384,
+ CCP_AUTH_ALGO_SHA384_HMAC,
+ CCP_AUTH_ALGO_SHA3_384,
+ CCP_AUTH_ALGO_SHA3_384_HMAC,
+ CCP_AUTH_ALGO_SHA512,
+ CCP_AUTH_ALGO_SHA512_HMAC,
+ CCP_AUTH_ALGO_SHA3_512,
+ CCP_AUTH_ALGO_SHA3_512_HMAC,
+ CCP_AUTH_ALGO_AES_CMAC,
+ CCP_AUTH_ALGO_AES_GCM,
+ CCP_AUTH_ALGO_MD5_HMAC,
+};
+
+/**
+ * CCP hash operation type
+ */
+enum ccp_hash_op {
+ CCP_AUTH_OP_GENERATE = 0,
+ CCP_AUTH_OP_VERIFY = 1,
+};
+
+/* CCP crypto private session structure */
+struct ccp_session {
+ bool auth_opt;
+ enum ccp_cmd_order cmd_id;
+ /**< chain order mode */
+ struct {
+ uint16_t length;
+ uint16_t offset;
+ } iv;
+ /**< IV parameters */
+ struct {
+ enum ccp_cipher_algo algo;
+ enum ccp_engine engine;
+ union {
+ enum ccp_aes_mode aes_mode;
+ enum ccp_des_mode des_mode;
+ } um;
+ union {
+ enum ccp_aes_type aes_type;
+ enum ccp_des_type des_type;
+ } ut;
+ enum ccp_cipher_dir dir;
+ uint64_t key_length;
+ /**< max cipher key size 256 bits */
+ uint8_t key[32];
+ /**ccp key format*/
+ uint8_t key_ccp[32];
+ phys_addr_t key_phys;
+ /**AES-ctr nonce(4) iv(8) ctr*/
+ uint8_t nonce[32];
+ phys_addr_t nonce_phys;
+ } cipher;
+ /**< Cipher Parameters */
+
+ struct {
+ enum ccp_hash_algo algo;
+ enum ccp_engine engine;
+ union {
+ enum ccp_aes_mode aes_mode;
+ } um;
+ union {
+ enum ccp_sha_type sha_type;
+ enum ccp_aes_type aes_type;
+ } ut;
+ enum ccp_hash_op op;
+ uint64_t key_length;
+ /**< max hash key size 144 bytes (struct capabilties) */
+ uint8_t key[144];
+ /**< max be key size of AES is 32*/
+ uint8_t key_ccp[32];
+ phys_addr_t key_phys;
+ uint64_t digest_length;
+ void *ctx;
+ int ctx_len;
+ int offset;
+ int block_size;
+ /**< Buffer to store Software generated precomute values*/
+ /**< For HMAC H(ipad ^ key) and H(opad ^ key) */
+ /**< For CMAC K1 IV and K2 IV*/
+ uint8_t pre_compute[2 * CCP_SHA3_CTX_SIZE];
+ /**< SHA3 initial ctx all zeros*/
+ uint8_t sha3_ctx[200];
+ int aad_length;
+ } auth;
+ /**< Authentication Parameters */
+ enum rte_crypto_aead_algorithm aead_algo;
+ /**< AEAD Algorithm */
+
+ uint32_t reserved;
+} __rte_cache_aligned;
+
+extern uint8_t ccp_cryptodev_driver_id;
+
+struct ccp_qp;
+struct ccp_private;
+
+/**
+ * Set and validate CCP crypto session parameters
+ *
+ * @param sess ccp private session
+ * @param xform crypto xform for this session
+ * @return 0 on success otherwise -1
+ */
+int ccp_set_session_parameters(struct ccp_session *sess,
+ const struct rte_crypto_sym_xform *xform,
+ struct ccp_private *internals);
+
+/**
+ * Find count of slots
+ *
+ * @param session CCP private session
+ * @return count of free slots available
+ */
+int ccp_compute_slot_count(struct ccp_session *session);
+
+/**
+ * process crypto ops to be enqueued
+ *
+ * @param qp CCP crypto queue-pair
+ * @param op crypto ops table
+ * @param cmd_q CCP cmd queue
+ * @param nb_ops No. of ops to be submitted
+ * @return 0 on success otherwise -1
+ */
+int process_ops_to_enqueue(struct ccp_qp *qp,
+ struct rte_crypto_op **op,
+ struct ccp_queue *cmd_q,
+ uint16_t nb_ops,
+ int slots_req);
+
+/**
+ * process crypto ops to be dequeued
+ *
+ * @param qp CCP crypto queue-pair
+ * @param op crypto ops table
+ * @param nb_ops requested no. of ops
+ * @return 0 on success otherwise -1
+ */
+int process_ops_to_dequeue(struct ccp_qp *qp,
+ struct rte_crypto_op **op,
+ uint16_t nb_ops);
+
+
+/**
+ * Apis for SHA3 partial hash generation
+ * @param data_in buffer pointer on which phash is applied
+ * @param data_out phash result in ccp be format is written
+ */
+int partial_hash_sha3_224(uint8_t *data_in,
+ uint8_t *data_out);
+
+int partial_hash_sha3_256(uint8_t *data_in,
+ uint8_t *data_out);
+
+int partial_hash_sha3_384(uint8_t *data_in,
+ uint8_t *data_out);
+
+int partial_hash_sha3_512(uint8_t *data_in,
+ uint8_t *data_out);
+
+#endif /* _CCP_CRYPTO_H_ */
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