[dpdk-dev] [PATCH v3 04/19] crypto/ccp: support session related crypto pmd ops

[Ravi Kumar <Ravi1.kumar@amd.com>]

Signed-off-by: Ravi Kumar <Ravi1.kumar@amd.com>
---
 drivers/crypto/ccp/Makefile      |   3 +-
 drivers/crypto/ccp/ccp_crypto.c  | 229 +++++++++++++++++++++++++++++++++
 drivers/crypto/ccp/ccp_crypto.h  | 267 +++++++++++++++++++++++++++++++++++++++
 drivers/crypto/ccp/ccp_dev.h     | 129 +++++++++++++++++++
 drivers/crypto/ccp/ccp_pmd_ops.c |  61 ++++++++-
 5 files changed, 685 insertions(+), 4 deletions(-)
 create mode 100644 drivers/crypto/ccp/ccp_crypto.c
 create mode 100644 drivers/crypto/ccp/ccp_crypto.h

diff --git a/drivers/crypto/ccp/Makefile b/drivers/crypto/ccp/Makefile
index 5e58c31..5241465 100644
--- a/drivers/crypto/ccp/Makefile
+++ b/drivers/crypto/ccp/Makefile
@@ -51,8 +51,9 @@ EXPORT_MAP := rte_pmd_ccp_version.map
 
 # library source files
 SRCS-$(CONFIG_RTE_LIBRTE_PMD_CCP) += rte_ccp_pmd.c
-SRCS-$(CONFIG_RTE_LIBRTE_PMD_CCP) += ccp_pmd_ops.c
+SRCS-$(CONFIG_RTE_LIBRTE_PMD_CCP) += ccp_crypto.c
 SRCS-$(CONFIG_RTE_LIBRTE_PMD_CCP) += ccp_dev.c
 SRCS-$(CONFIG_RTE_LIBRTE_PMD_CCP) += ccp_pci.c
+SRCS-$(CONFIG_RTE_LIBRTE_PMD_CCP) += ccp_pmd_ops.c
 
 include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/crypto/ccp/ccp_crypto.c b/drivers/crypto/ccp/ccp_crypto.c
new file mode 100644
index 0000000..c365c0f
--- /dev/null
+++ b/drivers/crypto/ccp/ccp_crypto.c
@@ -0,0 +1,229 @@
+/*-
+ *   Copyright(c) 2018 Advanced Micro Devices, Inc.
+ *   All rights reserved.
+ *
+ *   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 the copyright holder 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
+ *   HOLDER 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.
+ */
+
+#include <dirent.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/queue.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <rte_hexdump.h>
+#include <rte_memzone.h>
+#include <rte_malloc.h>
+#include <rte_memory.h>
+#include <rte_spinlock.h>
+#include <rte_string_fns.h>
+#include <rte_cryptodev_pmd.h>
+
+#include "ccp_dev.h"
+#include "ccp_crypto.h"
+#include "ccp_pci.h"
+#include "ccp_pmd_private.h"
+
+static enum ccp_cmd_order
+ccp_get_cmd_id(const struct rte_crypto_sym_xform *xform)
+{
+	enum ccp_cmd_order res = CCP_CMD_NOT_SUPPORTED;
+
+	if (xform == NULL)
+		return res;
+	if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
+		if (xform->next == NULL)
+			return CCP_CMD_AUTH;
+		else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
+			return CCP_CMD_HASH_CIPHER;
+	}
+	if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
+		if (xform->next == NULL)
+			return CCP_CMD_CIPHER;
+		else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
+			return CCP_CMD_CIPHER_HASH;
+	}
+	if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD)
+		return CCP_CMD_COMBINED;
+	return res;
+}
+
+/* configure session */
+static int
+ccp_configure_session_cipher(struct ccp_session *sess,
+			     const struct rte_crypto_sym_xform *xform)
+{
+	const struct rte_crypto_cipher_xform *cipher_xform = NULL;
+
+	cipher_xform = &xform->cipher;
+
+	/* set cipher direction */
+	if (cipher_xform->op ==  RTE_CRYPTO_CIPHER_OP_ENCRYPT)
+		sess->cipher.dir = CCP_CIPHER_DIR_ENCRYPT;
+	else
+		sess->cipher.dir = CCP_CIPHER_DIR_DECRYPT;
+
+	/* set cipher key */
+	sess->cipher.key_length = cipher_xform->key.length;
+	rte_memcpy(sess->cipher.key, cipher_xform->key.data,
+		   cipher_xform->key.length);
+
+	/* set iv parameters */
+	sess->iv.offset = cipher_xform->iv.offset;
+	sess->iv.length = cipher_xform->iv.length;
+
+	switch (cipher_xform->algo) {
+	default:
+		CCP_LOG_ERR("Unsupported cipher algo");
+		return -1;
+	}
+
+
+	switch (sess->cipher.engine) {
+	default:
+		CCP_LOG_ERR("Invalid CCP Engine");
+		return -ENOTSUP;
+	}
+	return 0;
+}
+
+static int
+ccp_configure_session_auth(struct ccp_session *sess,
+			   const struct rte_crypto_sym_xform *xform)
+{
+	const struct rte_crypto_auth_xform *auth_xform = NULL;
+
+	auth_xform = &xform->auth;
+
+	sess->auth.digest_length = auth_xform->digest_length;
+	if (auth_xform->op ==  RTE_CRYPTO_AUTH_OP_GENERATE)
+		sess->auth.op = CCP_AUTH_OP_GENERATE;
+	else
+		sess->auth.op = CCP_AUTH_OP_VERIFY;
+	switch (auth_xform->algo) {
+	default:
+		CCP_LOG_ERR("Unsupported hash algo");
+		return -ENOTSUP;
+	}
+	return 0;
+}
+
+static int
+ccp_configure_session_aead(struct ccp_session *sess,
+			   const struct rte_crypto_sym_xform *xform)
+{
+	const struct rte_crypto_aead_xform *aead_xform = NULL;
+
+	aead_xform = &xform->aead;
+
+	sess->cipher.key_length = aead_xform->key.length;
+	rte_memcpy(sess->cipher.key, aead_xform->key.data,
+		   aead_xform->key.length);
+
+	if (aead_xform->op == RTE_CRYPTO_AEAD_OP_ENCRYPT) {
+		sess->cipher.dir = CCP_CIPHER_DIR_ENCRYPT;
+		sess->auth.op = CCP_AUTH_OP_GENERATE;
+	} else {
+		sess->cipher.dir = CCP_CIPHER_DIR_DECRYPT;
+		sess->auth.op = CCP_AUTH_OP_VERIFY;
+	}
+	sess->auth.aad_length = aead_xform->aad_length;
+	sess->auth.digest_length = aead_xform->digest_length;
+
+	/* set iv parameters */
+	sess->iv.offset = aead_xform->iv.offset;
+	sess->iv.length = aead_xform->iv.length;
+
+	switch (aead_xform->algo) {
+	default:
+		CCP_LOG_ERR("Unsupported aead algo");
+		return -ENOTSUP;
+	}
+	return 0;
+}
+
+int
+ccp_set_session_parameters(struct ccp_session *sess,
+			   const struct rte_crypto_sym_xform *xform)
+{
+	const struct rte_crypto_sym_xform *cipher_xform = NULL;
+	const struct rte_crypto_sym_xform *auth_xform = NULL;
+	const struct rte_crypto_sym_xform *aead_xform = NULL;
+	int ret = 0;
+
+	sess->cmd_id = ccp_get_cmd_id(xform);
+
+	switch (sess->cmd_id) {
+	case CCP_CMD_CIPHER:
+		cipher_xform = xform;
+		break;
+	case CCP_CMD_AUTH:
+		auth_xform = xform;
+		break;
+	case CCP_CMD_CIPHER_HASH:
+		cipher_xform = xform;
+		auth_xform = xform->next;
+		break;
+	case CCP_CMD_HASH_CIPHER:
+		auth_xform = xform;
+		cipher_xform = xform->next;
+		break;
+	case CCP_CMD_COMBINED:
+		aead_xform = xform;
+		break;
+	default:
+		CCP_LOG_ERR("Unsupported cmd_id");
+		return -1;
+	}
+
+	/* Default IV length = 0 */
+	sess->iv.length = 0;
+	if (cipher_xform) {
+		ret = ccp_configure_session_cipher(sess, cipher_xform);
+		if (ret != 0) {
+			CCP_LOG_ERR("Invalid/unsupported cipher parameters");
+			return ret;
+		}
+	}
+	if (auth_xform) {
+		ret = ccp_configure_session_auth(sess, auth_xform);
+		if (ret != 0) {
+			CCP_LOG_ERR("Invalid/unsupported auth parameters");
+			return ret;
+		}
+	}
+	if (aead_xform) {
+		ret = ccp_configure_session_aead(sess, aead_xform);
+		if (ret != 0) {
+			CCP_LOG_ERR("Invalid/unsupported aead parameters");
+			return ret;
+		}
+	}
+	return ret;
+}
diff --git a/drivers/crypto/ccp/ccp_crypto.h b/drivers/crypto/ccp/ccp_crypto.h
new file mode 100644
index 0000000..346d5ee
--- /dev/null
+++ b/drivers/crypto/ccp/ccp_crypto.h
@@ -0,0 +1,267 @@
+/*-
+ *   Copyright(c) 2018 Advanced Micro Devices, Inc.
+ *   All rights reserved.
+ *
+ *   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 the copyright holder 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
+ *   HOLDER 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 _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 CCP_SHA3_CTX_SIZE 200
+/**
+ * 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,
+#ifdef RTE_LIBRTE_PMD_CCP_CPU_AUTH
+	CCP_AUTH_ALGO_MD5_HMAC,
+#endif
+};
+
+/**
+ * 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 {
+	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;
+
+/**
+ * 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);
+
+#endif /* _CCP_CRYPTO_H_ */
diff --git a/drivers/crypto/ccp/ccp_dev.h b/drivers/crypto/ccp/ccp_dev.h
index b321530..a16ba81 100644
--- a/drivers/crypto/ccp/ccp_dev.h
+++ b/drivers/crypto/ccp/ccp_dev.h
@@ -225,6 +225,123 @@ struct ccp_device {
 	/**< current queue index */
 } __rte_cache_aligned;
 
+/**< CCP H/W engine related */
+/**
+ * ccp_engine - CCP operation identifiers
+ *
+ * @CCP_ENGINE_AES: AES operation
+ * @CCP_ENGINE_XTS_AES: 128-bit XTS AES operation
+ * @CCP_ENGINE_3DES: DES/3DES operation
+ * @CCP_ENGINE_SHA: SHA operation
+ * @CCP_ENGINE_RSA: RSA operation
+ * @CCP_ENGINE_PASSTHRU: pass-through operation
+ * @CCP_ENGINE_ZLIB_DECOMPRESS: unused
+ * @CCP_ENGINE_ECC: ECC operation
+ */
+enum ccp_engine {
+	CCP_ENGINE_AES = 0,
+	CCP_ENGINE_XTS_AES_128,
+	CCP_ENGINE_3DES,
+	CCP_ENGINE_SHA,
+	CCP_ENGINE_RSA,
+	CCP_ENGINE_PASSTHRU,
+	CCP_ENGINE_ZLIB_DECOMPRESS,
+	CCP_ENGINE_ECC,
+	CCP_ENGINE__LAST,
+};
+
+/* Passthru engine */
+/**
+ * ccp_passthru_bitwise - type of bitwise passthru operation
+ *
+ * @CCP_PASSTHRU_BITWISE_NOOP: no bitwise operation performed
+ * @CCP_PASSTHRU_BITWISE_AND: perform bitwise AND of src with mask
+ * @CCP_PASSTHRU_BITWISE_OR: perform bitwise OR of src with mask
+ * @CCP_PASSTHRU_BITWISE_XOR: perform bitwise XOR of src with mask
+ * @CCP_PASSTHRU_BITWISE_MASK: overwrite with mask
+ */
+enum ccp_passthru_bitwise {
+	CCP_PASSTHRU_BITWISE_NOOP = 0,
+	CCP_PASSTHRU_BITWISE_AND,
+	CCP_PASSTHRU_BITWISE_OR,
+	CCP_PASSTHRU_BITWISE_XOR,
+	CCP_PASSTHRU_BITWISE_MASK,
+	CCP_PASSTHRU_BITWISE__LAST,
+};
+
+/**
+ * ccp_passthru_byteswap - type of byteswap passthru operation
+ *
+ * @CCP_PASSTHRU_BYTESWAP_NOOP: no byte swapping performed
+ * @CCP_PASSTHRU_BYTESWAP_32BIT: swap bytes within 32-bit words
+ * @CCP_PASSTHRU_BYTESWAP_256BIT: swap bytes within 256-bit words
+ */
+enum ccp_passthru_byteswap {
+	CCP_PASSTHRU_BYTESWAP_NOOP = 0,
+	CCP_PASSTHRU_BYTESWAP_32BIT,
+	CCP_PASSTHRU_BYTESWAP_256BIT,
+	CCP_PASSTHRU_BYTESWAP__LAST,
+};
+
+/**
+ * CCP passthru
+ */
+struct ccp_passthru {
+	phys_addr_t src_addr;
+	phys_addr_t dest_addr;
+	enum ccp_passthru_bitwise bit_mod;
+	enum ccp_passthru_byteswap byte_swap;
+	int len;
+	int dir;
+};
+
+/* CCP version 5: Union to define the function field (cmd_reg1/dword0) */
+union ccp_function {
+	struct {
+		uint16_t size:7;
+		uint16_t encrypt:1;
+		uint16_t mode:5;
+		uint16_t type:2;
+	} aes;
+	struct {
+		uint16_t size:7;
+		uint16_t encrypt:1;
+		uint16_t mode:5;
+		uint16_t type:2;
+	} des;
+	struct {
+		uint16_t size:7;
+		uint16_t encrypt:1;
+		uint16_t rsvd:5;
+		uint16_t type:2;
+	} aes_xts;
+	struct {
+		uint16_t rsvd1:10;
+		uint16_t type:4;
+		uint16_t rsvd2:1;
+	} sha;
+	struct {
+		uint16_t mode:3;
+		uint16_t size:12;
+	} rsa;
+	struct {
+		uint16_t byteswap:2;
+		uint16_t bitwise:3;
+		uint16_t reflect:2;
+		uint16_t rsvd:8;
+	} pt;
+	struct  {
+		uint16_t rsvd:13;
+	} zlib;
+	struct {
+		uint16_t size:10;
+		uint16_t type:2;
+		uint16_t mode:3;
+	} ecc;
+	uint16_t raw;
+};
+
+
 /**
  * descriptor for version 5 CPP commands
  * 8 32-bit words:
@@ -291,6 +408,18 @@ struct ccp_desc {
 	struct dword7 dw7;
 };
 
+/**
+ * cmd id to follow order
+ */
+enum ccp_cmd_order {
+	CCP_CMD_CIPHER = 0,
+	CCP_CMD_AUTH,
+	CCP_CMD_CIPHER_HASH,
+	CCP_CMD_HASH_CIPHER,
+	CCP_CMD_COMBINED,
+	CCP_CMD_NOT_SUPPORTED,
+};
+
 static inline uint32_t
 low32_value(unsigned long addr)
 {
diff --git a/drivers/crypto/ccp/ccp_pmd_ops.c b/drivers/crypto/ccp/ccp_pmd_ops.c
index b6f8c48..ad0a670 100644
--- a/drivers/crypto/ccp/ccp_pmd_ops.c
+++ b/drivers/crypto/ccp/ccp_pmd_ops.c
@@ -36,6 +36,7 @@
 
 #include "ccp_pmd_private.h"
 #include "ccp_dev.h"
+#include "ccp_crypto.h"
 
 static const struct rte_cryptodev_capabilities ccp_pmd_capabilities[] = {
 	RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
@@ -81,6 +82,60 @@ ccp_pmd_info_get(struct rte_cryptodev *dev,
 	}
 }
 
+static unsigned
+ccp_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
+{
+	return sizeof(struct ccp_session);
+}
+
+static int
+ccp_pmd_session_configure(struct rte_cryptodev *dev,
+			  struct rte_crypto_sym_xform *xform,
+			  struct rte_cryptodev_sym_session *sess,
+			  struct rte_mempool *mempool)
+{
+	int ret;
+	void *sess_private_data;
+
+	if (unlikely(sess == NULL || xform == NULL)) {
+		CCP_LOG_ERR("Invalid session struct or xform");
+		return -ENOMEM;
+	}
+
+	if (rte_mempool_get(mempool, &sess_private_data)) {
+		CCP_LOG_ERR("Couldn't get object from session mempool");
+		return -ENOMEM;
+	}
+	ret = ccp_set_session_parameters(sess_private_data, xform);
+	if (ret != 0) {
+		CCP_LOG_ERR("failed configure session parameters");
+
+		/* Return session to mempool */
+		rte_mempool_put(mempool, sess_private_data);
+		return ret;
+	}
+	set_session_private_data(sess, dev->driver_id,
+				 sess_private_data);
+
+	return 0;
+}
+
+static void
+ccp_pmd_session_clear(struct rte_cryptodev *dev,
+		      struct rte_cryptodev_sym_session *sess)
+{
+	uint8_t index = dev->driver_id;
+	void *sess_priv = get_session_private_data(sess, index);
+
+	if (sess_priv) {
+		struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
+
+		rte_mempool_put(sess_mp, sess_priv);
+		memset(sess_priv, 0, sizeof(struct ccp_session));
+		set_session_private_data(sess, index, NULL);
+	}
+}
+
 struct rte_cryptodev_ops ccp_ops = {
 		.dev_configure		= ccp_pmd_config,
 		.dev_start		= ccp_pmd_start,
@@ -98,9 +153,9 @@ struct rte_cryptodev_ops ccp_ops = {
 		.queue_pair_stop	= NULL,
 		.queue_pair_count	= NULL,
 
-		.session_get_size	= NULL,
-		.session_configure	= NULL,
-		.session_clear		= NULL,
+		.session_get_size	= ccp_pmd_session_get_size,
+		.session_configure	= ccp_pmd_session_configure,
+		.session_clear		= ccp_pmd_session_clear,
 };
 
 struct rte_cryptodev_ops *ccp_pmd_ops = &ccp_ops;
-- 
2.7.4