drivers/crypto/scheduler/scheduler_pmd_private.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Intel Corporation
   3  */
   4
   5 #ifndef _SCHEDULER_PMD_PRIVATE_H
   6 #define _SCHEDULER_PMD_PRIVATE_H
   7
   8 #include "rte_cryptodev_scheduler.h"
   9
  10 #define CRYPTODEV_NAME_SCHEDULER_PMD    crypto_scheduler
  11 /**< Scheduler Crypto PMD device name */
  12
  13 #define PER_SLAVE_BUFF_SIZE                     (256)
  14
  15 #define CS_LOG_ERR(fmt, args...)                                        \
  16         RTE_LOG(ERR, CRYPTODEV, "[%s] %s() line %u: " fmt "\n",         \
  17                 RTE_STR(CRYPTODEV_NAME_SCHEDULER_PMD),                  \
  18                 __func__, __LINE__, ## args)
  19
  20 #ifdef RTE_LIBRTE_CRYPTO_SCHEDULER_DEBUG
  21 #define CS_LOG_INFO(fmt, args...)                                       \
  22         RTE_LOG(INFO, CRYPTODEV, "[%s] %s() line %u: " fmt "\n",        \
  23                 RTE_STR(CRYPTODEV_NAME_SCHEDULER_PMD),                  \
  24                 __func__, __LINE__, ## args)
  25
  26 #define CS_LOG_DBG(fmt, args...)                                        \
  27         RTE_LOG(DEBUG, CRYPTODEV, "[%s] %s() line %u: " fmt "\n",       \
  28                 RTE_STR(CRYPTODEV_NAME_SCHEDULER_PMD),                  \
  29                 __func__, __LINE__, ## args)
  30 #else
  31 #define CS_LOG_INFO(fmt, args...)
  32 #define CS_LOG_DBG(fmt, args...)
  33 #endif
  34
  35 struct scheduler_slave {
  36         uint8_t dev_id;
  37         uint16_t qp_id;
  38         uint32_t nb_inflight_cops;
  39
  40         uint8_t driver_id;
  41 };
  42
  43 struct scheduler_ctx {
  44         void *private_ctx;
  45         /**< private scheduler context pointer */
  46
  47         struct rte_cryptodev_capabilities *capabilities;
  48         uint32_t nb_capabilities;
  49
  50         uint32_t max_nb_queue_pairs;
  51
  52         struct scheduler_slave slaves[RTE_CRYPTODEV_SCHEDULER_MAX_NB_SLAVES];
  53         uint32_t nb_slaves;
  54
  55         enum rte_cryptodev_scheduler_mode mode;
  56
  57         struct rte_cryptodev_scheduler_ops ops;
  58
  59         uint8_t reordering_enabled;
  60
  61         char name[RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN];
  62         char description[RTE_CRYPTODEV_SCHEDULER_DESC_MAX_LEN];
  63         uint16_t wc_pool[RTE_CRYPTODEV_SCHEDULER_MAX_NB_WORKER_CORES];
  64         uint16_t nb_wc;
  65
  66         char *init_slave_names[RTE_CRYPTODEV_SCHEDULER_MAX_NB_SLAVES];
  67         int nb_init_slaves;
  68 } __rte_cache_aligned;
  69
  70 struct scheduler_qp_ctx {
  71         void *private_qp_ctx;
  72
  73         uint32_t max_nb_objs;
  74
  75         struct rte_ring *order_ring;
  76         uint32_t seqn;
  77 } __rte_cache_aligned;
  78
  79
  80 extern uint8_t cryptodev_driver_id;
  81
  82 static __rte_always_inline uint16_t
  83 get_max_enqueue_order_count(struct rte_ring *order_ring, uint16_t nb_ops)
  84 {
  85         uint32_t count = rte_ring_free_count(order_ring);
  86
  87         return count > nb_ops ? nb_ops : count;
  88 }
  89
  90 static __rte_always_inline void
  91 scheduler_order_insert(struct rte_ring *order_ring,
  92                 struct rte_crypto_op **ops, uint16_t nb_ops)
  93 {
  94         rte_ring_sp_enqueue_burst(order_ring, (void **)ops, nb_ops, NULL);
  95 }
  96
  97 #define SCHEDULER_GET_RING_OBJ(order_ring, pos, op) do {            \
  98         struct rte_crypto_op **ring = (void *)&order_ring[1];     \
  99         op = ring[(order_ring->cons.head + pos) & order_ring->mask]; \
 100 } while (0)
 101
 102 static __rte_always_inline uint16_t
 103 scheduler_order_drain(struct rte_ring *order_ring,
 104                 struct rte_crypto_op **ops, uint16_t nb_ops)
 105 {
 106         struct rte_crypto_op *op;
 107         uint32_t nb_objs = rte_ring_count(order_ring);
 108         uint32_t nb_ops_to_deq = 0;
 109         uint32_t nb_ops_deqd = 0;
 110
 111         if (nb_objs > nb_ops)
 112                 nb_objs = nb_ops;
 113
 114         while (nb_ops_to_deq < nb_objs) {
 115                 SCHEDULER_GET_RING_OBJ(order_ring, nb_ops_to_deq, op);
 116                 if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 117                         break;
 118                 nb_ops_to_deq++;
 119         }
 120
 121         if (nb_ops_to_deq)
 122                 nb_ops_deqd = rte_ring_sc_dequeue_bulk(order_ring,
 123                                 (void **)ops, nb_ops_to_deq, NULL);
 124
 125         return nb_ops_deqd;
 126 }
 127 /** device specific operations function pointer structure */
 128 extern struct rte_cryptodev_ops *rte_crypto_scheduler_pmd_ops;
 129
 130 #endif /* _SCHEDULER_PMD_PRIVATE_H */