diff options
Diffstat (limited to 'drivers/crypto/scheduler/scheduler_pmd_private.h')
| -rw-r--r-- | drivers/crypto/scheduler/scheduler_pmd_private.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/drivers/crypto/scheduler/scheduler_pmd_private.h b/drivers/crypto/scheduler/scheduler_pmd_private.h new file mode 100644 index 00000000..421dae37 --- /dev/null +++ b/drivers/crypto/scheduler/scheduler_pmd_private.h @@ -0,0 +1,156 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2017 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 _SCHEDULER_PMD_PRIVATE_H +#define _SCHEDULER_PMD_PRIVATE_H + +#include "rte_cryptodev_scheduler.h" + +#define PER_SLAVE_BUFF_SIZE (256) + +#define CS_LOG_ERR(fmt, args...) \ + RTE_LOG(ERR, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \ + RTE_STR(CRYPTODEV_NAME_SCHEDULER_PMD), \ + __func__, __LINE__, ## args) + +#ifdef RTE_LIBRTE_CRYPTO_SCHEDULER_DEBUG +#define CS_LOG_INFO(fmt, args...) \ + RTE_LOG(INFO, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \ + RTE_STR(CRYPTODEV_NAME_SCHEDULER_PMD), \ + __func__, __LINE__, ## args) + +#define CS_LOG_DBG(fmt, args...) \ + RTE_LOG(DEBUG, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \ + RTE_STR(CRYPTODEV_NAME_SCHEDULER_PMD), \ + __func__, __LINE__, ## args) +#else +#define CS_LOG_INFO(fmt, args...) +#define CS_LOG_DBG(fmt, args...) +#endif + +struct scheduler_slave { + uint8_t dev_id; + uint16_t qp_id; + uint32_t nb_inflight_cops; + + enum rte_cryptodev_type dev_type; +}; + +struct scheduler_ctx { + void *private_ctx; + /**< private scheduler context pointer */ + + struct rte_cryptodev_capabilities *capabilities; + uint32_t nb_capabilities; + + uint32_t max_nb_queue_pairs; + + struct scheduler_slave slaves[RTE_CRYPTODEV_SCHEDULER_MAX_NB_SLAVES]; + uint32_t nb_slaves; + + enum rte_cryptodev_scheduler_mode mode; + + struct rte_cryptodev_scheduler_ops ops; + + uint8_t reordering_enabled; + + char name[RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN]; + char description[RTE_CRYPTODEV_SCHEDULER_DESC_MAX_LEN]; + + char *init_slave_names[RTE_CRYPTODEV_SCHEDULER_MAX_NB_SLAVES]; + int nb_init_slaves; +} __rte_cache_aligned; + +struct scheduler_qp_ctx { + void *private_qp_ctx; + + uint32_t max_nb_objs; + + struct rte_ring *order_ring; + uint32_t seqn; +} __rte_cache_aligned; + +struct scheduler_session { + struct rte_cryptodev_sym_session *sessions[ + RTE_CRYPTODEV_SCHEDULER_MAX_NB_SLAVES]; +}; + +static inline uint16_t __attribute__((always_inline)) +get_max_enqueue_order_count(struct rte_ring *order_ring, uint16_t nb_ops) +{ + uint32_t count = rte_ring_free_count(order_ring); + + return count > nb_ops ? nb_ops : count; +} + +static inline void __attribute__((always_inline)) +scheduler_order_insert(struct rte_ring *order_ring, + struct rte_crypto_op **ops, uint16_t nb_ops) +{ + rte_ring_sp_enqueue_burst(order_ring, (void **)ops, nb_ops, NULL); +} + +#define SCHEDULER_GET_RING_OBJ(order_ring, pos, op) do { \ + struct rte_crypto_op **ring = (void *)&order_ring[1]; \ + op = ring[(order_ring->cons.head + pos) & order_ring->mask]; \ +} while (0) + +static inline uint16_t __attribute__((always_inline)) +scheduler_order_drain(struct rte_ring *order_ring, + struct rte_crypto_op **ops, uint16_t nb_ops) +{ + struct rte_crypto_op *op; + uint32_t nb_objs = rte_ring_count(order_ring); + uint32_t nb_ops_to_deq = 0; + uint32_t nb_ops_deqd = 0; + + if (nb_objs > nb_ops) + nb_objs = nb_ops; + + while (nb_ops_to_deq < nb_objs) { + SCHEDULER_GET_RING_OBJ(order_ring, nb_ops_to_deq, op); + if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED) + break; + nb_ops_to_deq++; + } + + if (nb_ops_to_deq) + nb_ops_deqd = rte_ring_sc_dequeue_bulk(order_ring, + (void **)ops, nb_ops_to_deq, NULL); + + return nb_ops_deqd; +} +/** device specific operations function pointer structure */ +extern struct rte_cryptodev_ops *rte_crypto_scheduler_pmd_ops; + +#endif /* _SCHEDULER_PMD_PRIVATE_H */ |