1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2018 Intel Corporation 3 */ 4 5 #include <stdlib.h> 6 #include <stdio.h> 7 8 #include <rte_cryptodev.h> 9 #include <rte_cryptodev_pmd.h> 10 #include <rte_string_fns.h> 11 12 #include "cryptodev.h" 13 14 #define PIPELINE_CRYPTO_SESSION_CACHE_SIZE 128 15 16 static struct cryptodev_list cryptodev_list; 17 18 int 19 cryptodev_init(void) 20 { 21 TAILQ_INIT(&cryptodev_list); 22 23 return 0; 24 } 25 26 struct cryptodev * 27 cryptodev_find(const char *name) 28 { 29 struct cryptodev *cryptodev; 30 31 if (name == NULL) 32 return NULL; 33 34 TAILQ_FOREACH(cryptodev, &cryptodev_list, node) 35 if (strcmp(cryptodev->name, name) == 0) 36 return cryptodev; 37 38 return NULL; 39 } 40 41 struct cryptodev * 42 cryptodev_next(struct cryptodev *cryptodev) 43 { 44 return (cryptodev == NULL) ? 45 TAILQ_FIRST(&cryptodev_list) : 46 TAILQ_NEXT(cryptodev, node); 47 } 48 49 struct cryptodev * 50 cryptodev_create(const char *name, struct cryptodev_params *params) 51 { 52 struct rte_cryptodev_info dev_info; 53 struct rte_cryptodev_config dev_conf; 54 struct rte_cryptodev_qp_conf queue_conf; 55 struct cryptodev *cryptodev; 56 uint32_t dev_id, i; 57 uint32_t socket_id; 58 uint32_t cache_size; 59 char mp_name[NAME_SIZE]; 60 int status; 61 62 /* Check input params */ 63 if ((name == NULL) || 64 cryptodev_find(name) || 65 (params->n_queues == 0) || 66 (params->queue_size == 0) || 67 (params->session_pool_size == 0)) 68 return NULL; 69 70 if (params->dev_name) { 71 status = rte_cryptodev_get_dev_id(params->dev_name); 72 if (status == -1) 73 return NULL; 74 75 dev_id = (uint32_t)status; 76 } else { 77 if (rte_cryptodev_pmd_is_valid_dev(params->dev_id) == 0) 78 return NULL; 79 80 dev_id = params->dev_id; 81 } 82 83 cache_size = (params->session_pool_size / 2 < 84 PIPELINE_CRYPTO_SESSION_CACHE_SIZE) ? 85 (params->session_pool_size / 2) : 86 PIPELINE_CRYPTO_SESSION_CACHE_SIZE; 87 88 socket_id = rte_cryptodev_socket_id(dev_id); 89 rte_cryptodev_info_get(dev_id, &dev_info); 90 91 if (dev_info.max_nb_queue_pairs < params->n_queues) 92 return NULL; 93 if (dev_info.feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED) 94 return NULL; 95 96 dev_conf.socket_id = socket_id; 97 dev_conf.nb_queue_pairs = params->n_queues; 98 99 status = rte_cryptodev_configure(dev_id, &dev_conf); 100 if (status < 0) 101 return NULL; 102 103 queue_conf.nb_descriptors = params->queue_size; 104 for (i = 0; i < params->n_queues; i++) { 105 status = rte_cryptodev_queue_pair_setup(dev_id, i, 106 &queue_conf, socket_id); 107 if (status < 0) 108 return NULL; 109 } 110 111 if (rte_cryptodev_start(dev_id) < 0) 112 return NULL; 113 114 cryptodev = calloc(1, sizeof(struct cryptodev)); 115 if (cryptodev == NULL) { 116 rte_cryptodev_stop(dev_id); 117 return NULL; 118 } 119 120 strlcpy(cryptodev->name, name, sizeof(cryptodev->name)); 121 cryptodev->dev_id = dev_id; 122 cryptodev->n_queues = params->n_queues; 123 124 snprintf(mp_name, NAME_SIZE, "%s_mp%u", name, dev_id); 125 cryptodev->mp_create = rte_cryptodev_sym_session_pool_create( 126 mp_name, 127 params->session_pool_size, 128 0, 129 cache_size, 130 0, 131 socket_id); 132 if (!cryptodev->mp_create) 133 goto error_exit; 134 135 snprintf(mp_name, NAME_SIZE, "%s_mp_priv%u", name, dev_id); 136 cryptodev->mp_init = rte_mempool_create( 137 NULL, 138 params->session_pool_size, 139 rte_cryptodev_sym_get_private_session_size(dev_id), 140 cache_size, 141 0, 142 NULL, 143 NULL, 144 NULL, 145 NULL, 146 socket_id, 147 0); 148 if (!cryptodev->mp_init) 149 goto error_exit; 150 151 TAILQ_INSERT_TAIL(&cryptodev_list, cryptodev, node); 152 153 return cryptodev; 154 155 error_exit: 156 if (cryptodev->mp_create) 157 rte_mempool_free(cryptodev->mp_create); 158 if (cryptodev->mp_init) 159 rte_mempool_free(cryptodev->mp_init); 160 161 free(cryptodev); 162 163 return NULL; 164 } 165