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Diffstat (limited to 'drivers/crypto/qat/qat_crypto.h')
| -rw-r--r-- | drivers/crypto/qat/qat_crypto.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_crypto.h b/drivers/crypto/qat/qat_crypto.h new file mode 100644 index 00000000..0afe74ee --- /dev/null +++ b/drivers/crypto/qat/qat_crypto.h @@ -0,0 +1,136 @@ +/*- + * 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> + +/* + * 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)) + +/** + * Structure associated with each queue. + */ +struct qat_queue { + char memz_name[RTE_MEMZONE_NAMESIZE]; + void *base_addr; /* Base address */ + phys_addr_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 */ +}; + +struct qat_qp { + void *mmap_bar_addr; + rte_atomic16_t inflights16; + struct qat_queue tx_q; + struct qat_queue rx_q; + struct rte_cryptodev_stats stats; +} __rte_cache_aligned; + +/** private data structure for each QAT device */ +struct qat_pmd_private { + char sess_mp_name[RTE_MEMPOOL_NAMESIZE]; + struct rte_mempool *sess_mp; + + unsigned max_nb_queue_pairs; + /**< Max number of queue pairs supported by device */ + unsigned max_nb_sessions; + /**< Max number of sessions supported by device */ +}; + +int qat_dev_config(struct rte_cryptodev *dev); +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); +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 void +qat_crypto_sym_session_init(struct rte_mempool *mempool, void *priv_sess); + +extern void * +qat_crypto_sym_configure_session(struct rte_cryptodev *dev, + struct rte_crypto_sym_xform *xform, void *session_private); + +struct qat_session * +qat_crypto_sym_configure_session_auth(struct rte_cryptodev *dev, + struct rte_crypto_sym_xform *xform, + struct qat_session *session_private); + +void * +qat_crypto_sym_configure_session_cipher(struct rte_cryptodev *dev, + struct rte_crypto_sym_xform *xform, void *session_private); + + +extern void +qat_crypto_sym_clear_session(struct rte_cryptodev *dev, void *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_ */ |