X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_cryptodev%2Frte_cryptodev.c;h=20e5beb8bb9b788a9864b5aec1b9eef08291a96b;hb=e039cc863be5f1c182658587335897c441ba647d;hp=11068886ae80ab986d28ff1818d4dc01d1dda234;hpb=693f715da45c48ec1ec0fe4ba2f3b5ffd11ba53e;p=dpdk.git diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c index 11068886ae..20e5beb8bb 100644 --- a/lib/librte_cryptodev/rte_cryptodev.c +++ b/lib/librte_cryptodev/rte_cryptodev.c @@ -1,7 +1,7 @@ /*- * BSD LICENSE * - * Copyright(c) 2015 Intel Corporation. All rights reserved. + * Copyright(c) 2015-2016 Intel Corporation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -102,6 +102,125 @@ struct rte_cryptodev_callback { uint32_t active; /**< Callback is executing */ }; +#define RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG ("max_nb_queue_pairs") +#define RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG ("max_nb_sessions") +#define RTE_CRYPTODEV_VDEV_SOCKET_ID ("socket_id") + +static const char *cryptodev_vdev_valid_params[] = { + RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG, + RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG, + RTE_CRYPTODEV_VDEV_SOCKET_ID +}; + +static uint8_t +number_of_sockets(void) +{ + int sockets = 0; + int i; + const struct rte_memseg *ms = rte_eal_get_physmem_layout(); + + for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) { + if (sockets < ms[i].socket_id) + sockets = ms[i].socket_id; + } + + /* Number of sockets = maximum socket_id + 1 */ + return ++sockets; +} + +/** Parse integer from integer argument */ +static int +parse_integer_arg(const char *key __rte_unused, + const char *value, void *extra_args) +{ + int *i = (int *) extra_args; + + *i = atoi(value); + if (*i < 0) { + CDEV_LOG_ERR("Argument has to be positive."); + return -1; + } + + return 0; +} + +int +rte_cryptodev_parse_vdev_init_params(struct rte_crypto_vdev_init_params *params, + const char *input_args) +{ + struct rte_kvargs *kvlist; + int ret; + + if (params == NULL) + return -EINVAL; + + if (input_args) { + kvlist = rte_kvargs_parse(input_args, + cryptodev_vdev_valid_params); + if (kvlist == NULL) + return -1; + + ret = rte_kvargs_process(kvlist, + RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG, + &parse_integer_arg, + ¶ms->max_nb_queue_pairs); + if (ret < 0) + goto free_kvlist; + + ret = rte_kvargs_process(kvlist, + RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG, + &parse_integer_arg, + ¶ms->max_nb_sessions); + if (ret < 0) + goto free_kvlist; + + ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_SOCKET_ID, + &parse_integer_arg, + ¶ms->socket_id); + if (ret < 0) + goto free_kvlist; + + if (params->socket_id >= number_of_sockets()) { + CDEV_LOG_ERR("Invalid socket id specified to create " + "the virtual crypto device on"); + goto free_kvlist; + } + } + + return 0; + +free_kvlist: + rte_kvargs_free(kvlist); + return ret; +} + +const char * +rte_cryptodev_get_feature_name(uint64_t flag) +{ + switch (flag) { + case RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO: + return "SYMMETRIC_CRYPTO"; + case RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO: + return "ASYMMETRIC_CRYPTO"; + case RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING: + return "SYM_OPERATION_CHAINING"; + case RTE_CRYPTODEV_FF_CPU_SSE: + return "CPU_SSE"; + case RTE_CRYPTODEV_FF_CPU_AVX: + return "CPU_AVX"; + case RTE_CRYPTODEV_FF_CPU_AVX2: + return "CPU_AVX2"; + case RTE_CRYPTODEV_FF_CPU_AESNI: + return "CPU_AESNI"; + case RTE_CRYPTODEV_FF_HW_ACCELERATED: + return "HW_ACCELERATED"; + + default: + return NULL; + } +} + + int rte_cryptodev_create_vdev(const char *name, const char *args) { @@ -532,12 +651,6 @@ rte_cryptodev_queue_pair_start(uint8_t dev_id, uint16_t queue_pair_id) { struct rte_cryptodev *dev; - /* - * This function is only safe when called from the primary process - * in a multi-process setup - */ - RTE_PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY); - if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) { CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id); return -EINVAL; @@ -560,12 +673,6 @@ rte_cryptodev_queue_pair_stop(uint8_t dev_id, uint16_t queue_pair_id) { struct rte_cryptodev *dev; - /* - * This function is only safe when called from the primary process - * in a multi-process setup - */ - RTE_PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY); - if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) { CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id); return -EINVAL; @@ -584,8 +691,8 @@ rte_cryptodev_queue_pair_stop(uint8_t dev_id, uint16_t queue_pair_id) } static int -rte_crypto_session_pool_create(struct rte_cryptodev *dev, unsigned nb_objs, - unsigned obj_cache_size, int socket_id); +rte_cryptodev_sym_session_pool_create(struct rte_cryptodev *dev, + unsigned nb_objs, unsigned obj_cache_size, int socket_id); int rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config) @@ -593,12 +700,6 @@ rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config) struct rte_cryptodev *dev; int diag; - /* - * This function is only safe when called from the primary process - * in a multi-process setup - */ - RTE_PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY); - if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) { CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id); return -EINVAL; @@ -622,8 +723,10 @@ rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config) } /* Setup Session mempool for device */ - return rte_crypto_session_pool_create(dev, config->session_mp.nb_objs, - config->session_mp.cache_size, config->socket_id); + return rte_cryptodev_sym_session_pool_create(dev, + config->session_mp.nb_objs, + config->session_mp.cache_size, + config->socket_id); } @@ -635,12 +738,6 @@ rte_cryptodev_start(uint8_t dev_id) CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id); - /* - * This function is only safe when called from the primary process - * in a multi-process setup - */ - RTE_PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY); - if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) { CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id); return -EINVAL; @@ -670,12 +767,6 @@ rte_cryptodev_stop(uint8_t dev_id) { struct rte_cryptodev *dev; - /* - * This function is only safe when called from the primary process - * in a multi-process setup - */ - RTE_PROC_PRIMARY_OR_RET(); - if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) { CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id); return; @@ -701,12 +792,6 @@ rte_cryptodev_close(uint8_t dev_id) struct rte_cryptodev *dev; int retval; - /* - * This function is only safe when called from the primary process - * in a multi-process setup - */ - RTE_PROC_PRIMARY_OR_ERR_RET(-EINVAL); - if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) { CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id); return -1; @@ -747,12 +832,6 @@ rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id, { struct rte_cryptodev *dev; - /* - * This function is only safe when called from the primary process - * in a multi-process setup - */ - RTE_PROC_PRIMARY_OR_ERR_RET(-E_RTE_SECONDARY); - if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) { CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id); return -EINVAL; @@ -953,27 +1032,27 @@ rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev, static void -rte_crypto_session_init(struct rte_mempool *mp, +rte_cryptodev_sym_session_init(struct rte_mempool *mp, void *opaque_arg, void *_sess, __rte_unused unsigned i) { - struct rte_cryptodev_session *sess = _sess; + struct rte_cryptodev_sym_session *sess = _sess; struct rte_cryptodev *dev = opaque_arg; memset(sess, 0, mp->elt_size); sess->dev_id = dev->data->dev_id; - sess->type = dev->dev_type; + sess->dev_type = dev->dev_type; sess->mp = mp; if (dev->dev_ops->session_initialize) - (*dev->dev_ops->session_initialize)(mp, sess->_private); + (*dev->dev_ops->session_initialize)(mp, sess); } static int -rte_crypto_session_pool_create(struct rte_cryptodev *dev, unsigned nb_objs, - unsigned obj_cache_size, int socket_id) +rte_cryptodev_sym_session_pool_create(struct rte_cryptodev *dev, + unsigned nb_objs, unsigned obj_cache_size, int socket_id) { char mp_name[RTE_CRYPTODEV_NAME_MAX_LEN]; unsigned priv_sess_size; @@ -993,7 +1072,7 @@ rte_crypto_session_pool_create(struct rte_cryptodev *dev, unsigned nb_objs, return -ENOMEM; } - unsigned elt_size = sizeof(struct rte_cryptodev_session) + + unsigned elt_size = sizeof(struct rte_cryptodev_sym_session) + priv_sess_size; dev->data->session_pool = rte_mempool_lookup(mp_name); @@ -1017,7 +1096,8 @@ rte_crypto_session_pool_create(struct rte_cryptodev *dev, unsigned nb_objs, 0, /* private data size */ NULL, /* obj initialization constructor */ NULL, /* obj initialization constructor arg */ - rte_crypto_session_init, /* obj constructor */ + rte_cryptodev_sym_session_init, + /**< obj constructor*/ dev, /* obj constructor arg */ socket_id, /* socket id */ 0); /* flags */ @@ -1032,11 +1112,12 @@ rte_crypto_session_pool_create(struct rte_cryptodev *dev, unsigned nb_objs, return 0; } -struct rte_cryptodev_session * -rte_cryptodev_session_create(uint8_t dev_id, struct rte_crypto_xform *xform) +struct rte_cryptodev_sym_session * +rte_cryptodev_sym_session_create(uint8_t dev_id, + struct rte_crypto_sym_xform *xform) { struct rte_cryptodev *dev; - struct rte_cryptodev_session *sess; + struct rte_cryptodev_sym_session *sess; void *_sess; if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) { @@ -1052,7 +1133,7 @@ rte_cryptodev_session_create(uint8_t dev_id, struct rte_crypto_xform *xform) return NULL; } - sess = (struct rte_cryptodev_session *)_sess; + sess = (struct rte_cryptodev_sym_session *)_sess; RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_configure, NULL); if (dev->dev_ops->session_configure(dev, xform, sess->_private) == @@ -1068,8 +1149,9 @@ rte_cryptodev_session_create(uint8_t dev_id, struct rte_crypto_xform *xform) return sess; } -struct rte_cryptodev_session * -rte_cryptodev_session_free(uint8_t dev_id, struct rte_cryptodev_session *sess) +struct rte_cryptodev_sym_session * +rte_cryptodev_sym_session_free(uint8_t dev_id, + struct rte_cryptodev_sym_session *sess) { struct rte_cryptodev *dev; @@ -1081,7 +1163,7 @@ rte_cryptodev_session_free(uint8_t dev_id, struct rte_cryptodev_session *sess) dev = &rte_crypto_devices[dev_id]; /* Check the session belongs to this device type */ - if (sess->type != dev->dev_type) + if (sess->dev_type != dev->dev_type) return sess; /* Let device implementation clear session material */ @@ -1093,3 +1175,79 @@ rte_cryptodev_session_free(uint8_t dev_id, struct rte_cryptodev_session *sess) return NULL; } + +/** Initialise rte_crypto_op mempool element */ +static void +rte_crypto_op_init(struct rte_mempool *mempool, + void *opaque_arg, + void *_op_data, + __rte_unused unsigned i) +{ + struct rte_crypto_op *op = _op_data; + enum rte_crypto_op_type type = *(enum rte_crypto_op_type *)opaque_arg; + + memset(_op_data, 0, mempool->elt_size); + + __rte_crypto_op_reset(op, type); + + op->phys_addr = rte_mem_virt2phy(_op_data); + op->mempool = mempool; +} + + +struct rte_mempool * +rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type, + unsigned nb_elts, unsigned cache_size, uint16_t priv_size, + int socket_id) +{ + struct rte_crypto_op_pool_private *priv; + + unsigned elt_size = sizeof(struct rte_crypto_op) + + sizeof(struct rte_crypto_sym_op) + + priv_size; + + /* lookup mempool in case already allocated */ + struct rte_mempool *mp = rte_mempool_lookup(name); + + if (mp != NULL) { + priv = (struct rte_crypto_op_pool_private *) + rte_mempool_get_priv(mp); + + if (mp->elt_size != elt_size || + mp->cache_size < cache_size || + mp->size < nb_elts || + priv->priv_size < priv_size) { + mp = NULL; + CDEV_LOG_ERR("Mempool %s already exists but with " + "incompatible parameters", name); + return NULL; + } + return mp; + } + + mp = rte_mempool_create( + name, + nb_elts, + elt_size, + cache_size, + sizeof(struct rte_crypto_op_pool_private), + NULL, + NULL, + rte_crypto_op_init, + &type, + socket_id, + 0); + + if (mp == NULL) { + CDEV_LOG_ERR("Failed to create mempool %s", name); + return NULL; + } + + priv = (struct rte_crypto_op_pool_private *) + rte_mempool_get_priv(mp); + + priv->priv_size = priv_size; + priv->type = type; + + return mp; +}