C++ (Cpp) rte_cryptodev_pmd_virtual_dev_initの例

コード例 #1

ファイル: scheduler_pmd.c プロジェクト: Leon555/dpdk

static int
cryptodev_scheduler_create(const char *name,
	struct scheduler_init_params *init_params)
{
	struct rte_cryptodev *dev;
	struct scheduler_ctx *sched_ctx;
	uint32_t i;
	int ret;

	if (init_params->def_p.name[0] == '\0')
		snprintf(init_params->def_p.name,
				sizeof(init_params->def_p.name),
				"%s", name);

	dev = rte_cryptodev_pmd_virtual_dev_init(init_params->def_p.name,
			sizeof(struct scheduler_ctx),
			init_params->def_p.socket_id);
	if (dev == NULL) {
		CS_LOG_ERR("driver %s: failed to create cryptodev vdev",
			name);
		return -EFAULT;
	}

	dev->dev_type = RTE_CRYPTODEV_SCHEDULER_PMD;
	dev->dev_ops = rte_crypto_scheduler_pmd_ops;

	sched_ctx = dev->data->dev_private;
	sched_ctx->max_nb_queue_pairs =
			init_params->def_p.max_nb_queue_pairs;

	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,
			init_params->mode);
		if (ret < 0) {
			rte_cryptodev_pmd_release_device(dev);
			return ret;
		}

		for (i = 0; i < RTE_DIM(scheduler_mode_map); i++) {
			if (scheduler_mode_map[i].val != sched_ctx->mode)
				continue;

			RTE_LOG(INFO, PMD, "  Scheduling mode = %s\n",
					scheduler_mode_map[i].name);
			break;
		}
	}

	sched_ctx->reordering_enabled = init_params->enable_ordering;

	for (i = 0; i < RTE_DIM(scheduler_ordering_map); i++) {
		if (scheduler_ordering_map[i].val !=
				sched_ctx->reordering_enabled)
			continue;

		RTE_LOG(INFO, PMD, "  Packet ordering = %s\n",
				scheduler_ordering_map[i].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++;
	}

	/*
	 * Initialize capabilities structure as an empty structure,
	 * in case device information is requested when no slaves are attached
	 */
	sched_ctx->capabilities = rte_zmalloc_socket(NULL,
			sizeof(struct rte_cryptodev_capabilities),
			0, SOCKET_ID_ANY);

	if (!sched_ctx->capabilities) {
		RTE_LOG(ERR, PMD, "Not enough memory for capability "
				"information\n");
		return -ENOMEM;
	}

	return 0;
}

コード例 #2

ファイル: rte_aesni_mb_pmd.c プロジェクト: ATCP/mtcp

static int
cryptodev_aesni_mb_create(const char *name, unsigned socket_id)
{
	struct rte_cryptodev *dev;
	char crypto_dev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
	struct aesni_mb_private *internals;
	enum aesni_mb_vector_mode vector_mode;

	/* Check CPU for support for AES instruction set */
	if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_AES)) {
		MB_LOG_ERR("AES instructions not supported by CPU");
		return -EFAULT;
	}

	/* Check CPU for supported vector instruction set */
	if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2))
		vector_mode = RTE_AESNI_MB_AVX2;
	else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
		vector_mode = RTE_AESNI_MB_AVX;
	else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
		vector_mode = RTE_AESNI_MB_SSE;
	else {
		MB_LOG_ERR("Vector instructions are not supported by CPU");
		return -EFAULT;
	}

	/* create a unique device name */
	if (create_unique_device_name(crypto_dev_name,
			RTE_CRYPTODEV_NAME_MAX_LEN) != 0) {
		MB_LOG_ERR("failed to create unique cryptodev name");
		return -EINVAL;
	}


	dev = rte_cryptodev_pmd_virtual_dev_init(crypto_dev_name,
			sizeof(struct aesni_mb_private), socket_id);
	if (dev == NULL) {
		MB_LOG_ERR("failed to create cryptodev vdev");
		goto init_error;
	}

	dev->dev_type = RTE_CRYPTODEV_AESNI_MB_PMD;
	dev->dev_ops = rte_aesni_mb_pmd_ops;

	/* register rx/tx burst functions for data path */
	dev->dequeue_burst = aesni_mb_pmd_dequeue_burst;
	dev->enqueue_burst = aesni_mb_pmd_enqueue_burst;

	/* Set vector instructions mode supported */
	internals = dev->data->dev_private;

	internals->vector_mode = vector_mode;
	internals->max_nb_queue_pairs = RTE_AESNI_MB_PMD_MAX_NB_QUEUE_PAIRS;
	internals->max_nb_sessions = RTE_AESNI_MB_PMD_MAX_NB_SESSIONS;

	return dev->data->dev_id;
init_error:
	MB_LOG_ERR("driver %s: cryptodev_aesni_create failed", name);

	cryptodev_aesni_mb_uninit(crypto_dev_name);
	return -EFAULT;
}