From 50e14527b9d14b340214412bfe9b6a8755933384 Mon Sep 17 00:00:00 2001 From: Fan Zhang Date: Tue, 18 Apr 2017 12:28:14 +0100 Subject: [PATCH] crypto/scheduler: improve parameters parsing This patch improves the cryptodev scheduler PMD's commandline parsing capability. Originally, the scheduler's slave option requires the slave vdev(s) being declared prior to it. This patch removes this limitation by storing the slave names temporarily and attaching them later. Signed-off-by: Fan Zhang Acked-by: Pablo de Lara --- drivers/crypto/scheduler/scheduler_pmd.c | 71 ++++++++----------- drivers/crypto/scheduler/scheduler_pmd_ops.c | 71 ++++++++++++++++++- .../crypto/scheduler/scheduler_pmd_private.h | 3 + 3 files changed, 101 insertions(+), 44 deletions(-) diff --git a/drivers/crypto/scheduler/scheduler_pmd.c b/drivers/crypto/scheduler/scheduler_pmd.c index 7d9e376019..2a92d1e9a8 100644 --- a/drivers/crypto/scheduler/scheduler_pmd.c +++ b/drivers/crypto/scheduler/scheduler_pmd.c @@ -44,9 +44,10 @@ struct scheduler_init_params { struct rte_crypto_vdev_init_params def_p; uint32_t nb_slaves; - uint8_t slaves[RTE_CRYPTODEV_SCHEDULER_MAX_NB_SLAVES]; enum rte_cryptodev_scheduler_mode mode; uint32_t enable_ordering; + char slave_names[RTE_CRYPTODEV_SCHEDULER_MAX_NB_SLAVES] + [RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN]; }; #define RTE_CRYPTODEV_VDEV_NAME ("name") @@ -86,30 +87,6 @@ const struct scheduler_parse_map scheduler_ordering_map[] = { {"disable", 0} }; -static int -attach_init_slaves(uint8_t scheduler_id, - const uint8_t *slaves, const uint8_t nb_slaves) -{ - uint8_t i; - - for (i = 0; i < nb_slaves; i++) { - struct rte_cryptodev *dev = - rte_cryptodev_pmd_get_dev(slaves[i]); - int status = rte_cryptodev_scheduler_slave_attach( - scheduler_id, slaves[i]); - - if (status < 0 || !dev) { - CS_LOG_ERR("Failed to attach slave cryptodev " - "%u.\n", slaves[i]); - return status; - } - - RTE_LOG(INFO, PMD, " Attached Slave %s\n", dev->data->name); - } - - return 0; -} - static int cryptodev_scheduler_create(const char *name, struct scheduler_init_params *init_params) @@ -150,13 +127,6 @@ cryptodev_scheduler_create(const char *name, sched_ctx->max_nb_queue_pairs = init_params->def_p.max_nb_queue_pairs; - ret = attach_init_slaves(dev->data->dev_id, init_params->slaves, - init_params->nb_slaves); - if (ret < 0) { - rte_cryptodev_pmd_release_device(dev); - return ret; - } - if (init_params->mode > CDEV_SCHED_MODE_USERDEFINED && init_params->mode < CDEV_SCHED_MODE_COUNT) { ret = rte_cryptodev_scheduler_mode_set(dev->data->dev_id, @@ -189,6 +159,28 @@ cryptodev_scheduler_create(const char *name, break; } + for (i = 0; i < init_params->nb_slaves; i++) { + sched_ctx->init_slave_names[sched_ctx->nb_init_slaves] = + rte_zmalloc_socket( + NULL, + RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN, 0, + SOCKET_ID_ANY); + + if (!sched_ctx->init_slave_names[ + sched_ctx->nb_init_slaves]) { + CS_LOG_ERR("driver %s: Insufficient memory", + name); + return -ENOMEM; + } + + strncpy(sched_ctx->init_slave_names[ + sched_ctx->nb_init_slaves], + init_params->slave_names[i], + RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN - 1); + + sched_ctx->nb_init_slaves++; + } + return 0; } @@ -280,21 +272,14 @@ parse_slave_arg(const char *key __rte_unused, const char *value, void *extra_args) { struct scheduler_init_params *param = extra_args; - struct rte_cryptodev *dev = - rte_cryptodev_pmd_get_named_dev(value); - - if (!dev) { - RTE_LOG(ERR, PMD, "Invalid slave name %s.\n", value); - return -EINVAL; - } if (param->nb_slaves >= RTE_CRYPTODEV_SCHEDULER_MAX_NB_SLAVES - 1) { CS_LOG_ERR("Too many slaves.\n"); return -ENOMEM; } - param->slaves[param->nb_slaves] = dev->data->dev_id; - param->nb_slaves++; + strncpy(param->slave_names[param->nb_slaves++], value, + RTE_CRYPTODEV_SCHEDULER_NAME_MAX_LEN - 1); return 0; } @@ -425,9 +410,9 @@ cryptodev_scheduler_probe(struct rte_vdev_device *vdev) "" }, .nb_slaves = 0, - .slaves = {0}, .mode = CDEV_SCHED_MODE_NOT_SET, - .enable_ordering = 0 + .enable_ordering = 0, + .slave_names = { {0} } }; scheduler_parse_init_params(&init_params, diff --git a/drivers/crypto/scheduler/scheduler_pmd_ops.c b/drivers/crypto/scheduler/scheduler_pmd_ops.c index 725ba9dcda..2b5858df91 100644 --- a/drivers/crypto/scheduler/scheduler_pmd_ops.c +++ b/drivers/crypto/scheduler/scheduler_pmd_ops.c @@ -41,6 +41,46 @@ #include "scheduler_pmd_private.h" +/** attaching the slaves predefined by scheduler's EAL options */ +static int +scheduler_attach_init_slave(struct rte_cryptodev *dev) +{ + struct scheduler_ctx *sched_ctx = dev->data->dev_private; + uint8_t scheduler_id = dev->data->dev_id; + int i; + + for (i = sched_ctx->nb_init_slaves - 1; i >= 0; i--) { + const char *dev_name = sched_ctx->init_slave_names[i]; + struct rte_cryptodev *slave_dev = + rte_cryptodev_pmd_get_named_dev(dev_name); + int status; + + if (!slave_dev) { + CS_LOG_ERR("Failed to locate slave dev %s", + dev_name); + return -EINVAL; + } + + status = rte_cryptodev_scheduler_slave_attach( + scheduler_id, slave_dev->data->dev_id); + + if (status < 0) { + CS_LOG_ERR("Failed to attach slave cryptodev %u", + slave_dev->data->dev_id); + return status; + } + + CS_LOG_INFO("Scheduler %s attached slave %s\n", + dev->data->name, + sched_ctx->init_slave_names[i]); + + rte_free(sched_ctx->init_slave_names[i]); + + sched_ctx->nb_init_slaves -= 1; + } + + return 0; +} /** Configure device */ static int scheduler_pmd_config(struct rte_cryptodev *dev, @@ -48,7 +88,14 @@ scheduler_pmd_config(struct rte_cryptodev *dev, { struct scheduler_ctx *sched_ctx = dev->data->dev_private; uint32_t i; - int ret = 0; + int ret; + + /* although scheduler_attach_init_slave presents multiple times, + * there will be only 1 meaningful execution. + */ + ret = scheduler_attach_init_slave(dev); + if (ret < 0) + return ret; for (i = 0; i < sched_ctx->nb_slaves; i++) { uint8_t slave_dev_id = sched_ctx->slaves[i].dev_id; @@ -116,6 +163,13 @@ scheduler_pmd_start(struct rte_cryptodev *dev) if (dev->data->dev_started) return 0; + /* although scheduler_attach_init_slave presents multiple times, + * there will be only 1 meaningful execution. + */ + ret = scheduler_attach_init_slave(dev); + if (ret < 0) + return ret; + for (i = 0; i < dev->data->nb_queue_pairs; i++) { ret = update_order_ring(dev, i); if (ret < 0) { @@ -298,6 +352,11 @@ scheduler_pmd_info_get(struct rte_cryptodev *dev, if (!dev_info) return; + /* although scheduler_attach_init_slave presents multiple times, + * there will be only 1 meaningful execution. + */ + scheduler_attach_init_slave(dev); + for (i = 0; i < sched_ctx->nb_slaves; i++) { uint8_t slave_dev_id = sched_ctx->slaves[i].dev_id; struct rte_cryptodev_info slave_info; @@ -378,6 +437,16 @@ scheduler_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id, dev->data->queue_pairs[qp_id] = qp_ctx; + /* although scheduler_attach_init_slave presents multiple times, + * there will be only 1 meaningful execution. + */ + ret = scheduler_attach_init_slave(dev); + if (ret < 0) { + CS_LOG_ERR("Failed to attach slave"); + scheduler_pmd_qp_release(dev, qp_id); + return ret; + } + if (*sched_ctx->ops.config_queue_pair) { if ((*sched_ctx->ops.config_queue_pair)(dev, qp_id) < 0) { CS_LOG_ERR("Unable to configure queue pair"); diff --git a/drivers/crypto/scheduler/scheduler_pmd_private.h b/drivers/crypto/scheduler/scheduler_pmd_private.h index cfffa06fee..33edd1df8c 100644 --- a/drivers/crypto/scheduler/scheduler_pmd_private.h +++ b/drivers/crypto/scheduler/scheduler_pmd_private.h @@ -86,6 +86,9 @@ struct scheduler_ctx { 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 { -- 2.20.1