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/*-
* BSD LICENSE
*
* Copyright(c) 2015-2016 Intel Corporation. All rights reserved.
* 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 Intel Corporation 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 _QAT_CRYPTO_H_
#define _QAT_CRYPTO_H_
#include <rte_cryptodev_pmd.h>
#include <rte_memzone.h>
#include "qat_crypto_capabilities.h"
#define CRYPTODEV_NAME_QAT_SYM_PMD crypto_qat
/**< Intel QAT Symmetric Crypto PMD device name */
/*
* This macro rounds up a number to a be a multiple of
* the alignment when the alignment is a power of 2
*/
#define ALIGN_POW2_ROUNDUP(num, align) \
(((num) + (align) - 1) & ~((align) - 1))
#define QAT_64_BTYE_ALIGN_MASK (~0x3f)
#define QAT_CSR_HEAD_WRITE_THRESH 32U
/* number of requests to accumulate before writing head CSR */
#define QAT_CSR_TAIL_WRITE_THRESH 32U
/* number of requests to accumulate before writing tail CSR */
#define QAT_CSR_TAIL_FORCE_WRITE_THRESH 256U
/* number of inflights below which no tail write coalescing should occur */
struct qat_session;
enum qat_device_gen {
QAT_GEN1 = 1,
QAT_GEN2,
};
/**
* Structure associated with each queue.
*/
struct qat_queue {
char memz_name[RTE_MEMZONE_NAMESIZE];
void *base_addr; /* Base address */
rte_iova_t base_phys_addr; /* Queue physical address */
uint32_t head; /* Shadow copy of the head */
uint32_t tail; /* Shadow copy of the tail */
uint32_t modulo;
uint32_t msg_size;
uint16_t max_inflights;
uint32_t queue_size;
uint8_t hw_bundle_number;
uint8_t hw_queue_number;
/* HW queue aka ring offset on bundle */
uint32_t csr_head; /* last written head value */
uint32_t csr_tail; /* last written tail value */
uint16_t nb_processed_responses;
/* number of responses processed since last CSR head write */
uint16_t nb_pending_requests;
/* number of requests pending since last CSR tail write */
};
struct qat_qp {
void *mmap_bar_addr;
uint16_t inflights16;
struct qat_queue tx_q;
struct qat_queue rx_q;
struct rte_cryptodev_stats stats;
struct rte_mempool *op_cookie_pool;
void **op_cookies;
uint32_t nb_descriptors;
enum qat_device_gen qat_dev_gen;
} __rte_cache_aligned;
/** private data structure for each QAT device */
struct qat_pmd_private {
unsigned max_nb_queue_pairs;
/**< Max number of queue pairs supported by device */
unsigned max_nb_sessions;
/**< Max number of sessions supported by device */
enum qat_device_gen qat_dev_gen;
/**< QAT device generation */
const struct rte_cryptodev_capabilities *qat_dev_capabilities;
};
extern uint8_t cryptodev_qat_driver_id;
int qat_dev_config(struct rte_cryptodev *dev,
struct rte_cryptodev_config *config);
int qat_dev_start(struct rte_cryptodev *dev);
void qat_dev_stop(struct rte_cryptodev *dev);
int qat_dev_close(struct rte_cryptodev *dev);
void qat_dev_info_get(struct rte_cryptodev *dev,
struct rte_cryptodev_info *info);
void qat_crypto_sym_stats_get(struct rte_cryptodev *dev,
struct rte_cryptodev_stats *stats);
void qat_crypto_sym_stats_reset(struct rte_cryptodev *dev);
int qat_crypto_sym_qp_setup(struct rte_cryptodev *dev, uint16_t queue_pair_id,
const struct rte_cryptodev_qp_conf *rx_conf, int socket_id,
struct rte_mempool *session_pool);
int qat_crypto_sym_qp_release(struct rte_cryptodev *dev,
uint16_t queue_pair_id);
int
qat_pmd_session_mempool_create(struct rte_cryptodev *dev,
unsigned nb_objs, unsigned obj_cache_size, int socket_id);
extern unsigned
qat_crypto_sym_get_session_private_size(struct rte_cryptodev *dev);
extern int
qat_crypto_sym_configure_session(struct rte_cryptodev *dev,
struct rte_crypto_sym_xform *xform,
struct rte_cryptodev_sym_session *sess,
struct rte_mempool *mempool);
int
qat_crypto_set_session_parameters(struct rte_cryptodev *dev,
struct rte_crypto_sym_xform *xform, void *session_private);
int
qat_crypto_sym_configure_session_aead(struct rte_crypto_sym_xform *xform,
struct qat_session *session);
int
qat_crypto_sym_configure_session_auth(struct rte_cryptodev *dev,
struct rte_crypto_sym_xform *xform,
struct qat_session *session);
int
qat_crypto_sym_configure_session_cipher(struct rte_cryptodev *dev,
struct rte_crypto_sym_xform *xform,
struct qat_session *session);
extern void
qat_crypto_sym_clear_session(struct rte_cryptodev *dev,
struct rte_cryptodev_sym_session *session);
extern uint16_t
qat_pmd_enqueue_op_burst(void *qp, struct rte_crypto_op **ops,
uint16_t nb_ops);
extern uint16_t
qat_pmd_dequeue_op_burst(void *qp, struct rte_crypto_op **ops,
uint16_t nb_ops);
#endif /* _QAT_CRYPTO_H_ */
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