--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * 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
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <netinet/in.h>
+
+#include <rte_byteorder.h>
+#include <rte_log.h>
+#include <rte_debug.h>
+#include <rte_dev.h>
+#include <rte_interrupts.h>
+#include <rte_pci.h>
+#include <rte_memory.h>
+#include <rte_memcpy.h>
+#include <rte_memzone.h>
+#include <rte_launch.h>
+#include <rte_tailq.h>
+#include <rte_eal.h>
+#include <rte_per_lcore.h>
+#include <rte_lcore.h>
+#include <rte_atomic.h>
+#include <rte_branch_prediction.h>
+#include <rte_common.h>
+#include <rte_ring.h>
+#include <rte_mempool.h>
+#include <rte_malloc.h>
+#include <rte_mbuf.h>
+#include <rte_errno.h>
+#include <rte_spinlock.h>
+#include <rte_string_fns.h>
+
+#include "rte_crypto.h"
+#include "rte_cryptodev.h"
+#include "rte_cryptodev_pmd.h"
+
+struct rte_cryptodev rte_crypto_devices[RTE_CRYPTO_MAX_DEVS];
+
+struct rte_cryptodev *rte_cryptodevs = &rte_crypto_devices[0];
+
+static struct rte_cryptodev_global cryptodev_globals = {
+ .devs = &rte_crypto_devices[0],
+ .data = { NULL },
+ .nb_devs = 0,
+ .max_devs = RTE_CRYPTO_MAX_DEVS
+};
+
+struct rte_cryptodev_global *rte_cryptodev_globals = &cryptodev_globals;
+
+/* spinlock for crypto device callbacks */
+static rte_spinlock_t rte_cryptodev_cb_lock = RTE_SPINLOCK_INITIALIZER;
+
+
+/**
+ * The user application callback description.
+ *
+ * It contains callback address to be registered by user application,
+ * the pointer to the parameters for callback, and the event type.
+ */
+struct rte_cryptodev_callback {
+ TAILQ_ENTRY(rte_cryptodev_callback) next; /**< Callbacks list */
+ rte_cryptodev_cb_fn cb_fn; /**< Callback address */
+ void *cb_arg; /**< Parameter for callback */
+ enum rte_cryptodev_event_type event; /**< Interrupt event type */
+ uint32_t active; /**< Callback is executing */
+};
+
+
+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)
+{
+ return rte_eal_vdev_init(name, args);
+}
+
+int
+rte_cryptodev_get_dev_id(const char *name) {
+ unsigned i;
+
+ if (name == NULL)
+ return -1;
+
+ for (i = 0; i < rte_cryptodev_globals->max_devs; i++)
+ if ((strcmp(rte_cryptodev_globals->devs[i].data->name, name)
+ == 0) &&
+ (rte_cryptodev_globals->devs[i].attached ==
+ RTE_CRYPTODEV_ATTACHED))
+ return i;
+
+ return -1;
+}
+
+uint8_t
+rte_cryptodev_count(void)
+{
+ return rte_cryptodev_globals->nb_devs;
+}
+
+uint8_t
+rte_cryptodev_count_devtype(enum rte_cryptodev_type type)
+{
+ uint8_t i, dev_count = 0;
+
+ for (i = 0; i < rte_cryptodev_globals->max_devs; i++)
+ if (rte_cryptodev_globals->devs[i].dev_type == type &&
+ rte_cryptodev_globals->devs[i].attached ==
+ RTE_CRYPTODEV_ATTACHED)
+ dev_count++;
+
+ return dev_count;
+}
+
+int
+rte_cryptodev_socket_id(uint8_t dev_id)
+{
+ struct rte_cryptodev *dev;
+
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
+ return -1;
+
+ dev = rte_cryptodev_pmd_get_dev(dev_id);
+
+ return dev->data->socket_id;
+}
+
+static inline int
+rte_cryptodev_data_alloc(uint8_t dev_id, struct rte_cryptodev_data **data,
+ int socket_id)
+{
+ char mz_name[RTE_CRYPTODEV_NAME_MAX_LEN];
+ const struct rte_memzone *mz;
+ int n;
+
+ /* generate memzone name */
+ n = snprintf(mz_name, sizeof(mz_name), "rte_cryptodev_data_%u", dev_id);
+ if (n >= (int)sizeof(mz_name))
+ return -EINVAL;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ mz = rte_memzone_reserve(mz_name,
+ sizeof(struct rte_cryptodev_data),
+ socket_id, 0);
+ } else
+ mz = rte_memzone_lookup(mz_name);
+
+ if (mz == NULL)
+ return -ENOMEM;
+
+ *data = mz->addr;
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ memset(*data, 0, sizeof(struct rte_cryptodev_data));
+
+ return 0;
+}
+
+static uint8_t
+rte_cryptodev_find_free_device_index(void)
+{
+ uint8_t dev_id;
+
+ for (dev_id = 0; dev_id < RTE_CRYPTO_MAX_DEVS; dev_id++) {
+ if (rte_crypto_devices[dev_id].attached ==
+ RTE_CRYPTODEV_DETACHED)
+ return dev_id;
+ }
+ return RTE_CRYPTO_MAX_DEVS;
+}
+
+struct rte_cryptodev *
+rte_cryptodev_pmd_allocate(const char *name, enum pmd_type type, int socket_id)
+{
+ struct rte_cryptodev *cryptodev;
+ uint8_t dev_id;
+
+ if (rte_cryptodev_pmd_get_named_dev(name) != NULL) {
+ CDEV_LOG_ERR("Crypto device with name %s already "
+ "allocated!", name);
+ return NULL;
+ }
+
+ dev_id = rte_cryptodev_find_free_device_index();
+ if (dev_id == RTE_CRYPTO_MAX_DEVS) {
+ CDEV_LOG_ERR("Reached maximum number of crypto devices");
+ return NULL;
+ }
+
+ cryptodev = rte_cryptodev_pmd_get_dev(dev_id);
+
+ if (cryptodev->data == NULL) {
+ struct rte_cryptodev_data *cryptodev_data =
+ cryptodev_globals.data[dev_id];
+
+ int retval = rte_cryptodev_data_alloc(dev_id, &cryptodev_data,
+ socket_id);
+
+ if (retval < 0 || cryptodev_data == NULL)
+ return NULL;
+
+ cryptodev->data = cryptodev_data;
+
+ snprintf(cryptodev->data->name, RTE_CRYPTODEV_NAME_MAX_LEN,
+ "%s", name);
+
+ cryptodev->data->dev_id = dev_id;
+ cryptodev->data->socket_id = socket_id;
+ cryptodev->data->dev_started = 0;
+
+ cryptodev->attached = RTE_CRYPTODEV_ATTACHED;
+ cryptodev->pmd_type = type;
+
+ cryptodev_globals.nb_devs++;
+ }
+
+ return cryptodev;
+}
+
+static inline int
+rte_cryptodev_create_unique_device_name(char *name, size_t size,
+ struct rte_pci_device *pci_dev)
+{
+ int ret;
+
+ if ((name == NULL) || (pci_dev == NULL))
+ return -EINVAL;
+
+ ret = snprintf(name, size, "%d:%d.%d",
+ pci_dev->addr.bus, pci_dev->addr.devid,
+ pci_dev->addr.function);
+ if (ret < 0)
+ return ret;
+ return 0;
+}
+
+int
+rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev)
+{
+ int ret;
+
+ if (cryptodev == NULL)
+ return -EINVAL;
+
+ ret = rte_cryptodev_close(cryptodev->data->dev_id);
+ if (ret < 0)
+ return ret;
+
+ cryptodev->attached = RTE_CRYPTODEV_DETACHED;
+ cryptodev_globals.nb_devs--;
+ return 0;
+}
+
+struct rte_cryptodev *
+rte_cryptodev_pmd_virtual_dev_init(const char *name, size_t dev_private_size,
+ int socket_id)
+{
+ struct rte_cryptodev *cryptodev;
+
+ /* allocate device structure */
+ cryptodev = rte_cryptodev_pmd_allocate(name, PMD_VDEV, socket_id);
+ if (cryptodev == NULL)
+ return NULL;
+
+ /* allocate private device structure */
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ cryptodev->data->dev_private =
+ rte_zmalloc_socket("cryptodev device private",
+ dev_private_size,
+ RTE_CACHE_LINE_SIZE,
+ socket_id);
+
+ if (cryptodev->data->dev_private == NULL)
+ rte_panic("Cannot allocate memzone for private device"
+ " data");
+ }
+
+ /* initialise user call-back tail queue */
+ TAILQ_INIT(&(cryptodev->link_intr_cbs));
+
+ return cryptodev;
+}
+
+static int
+rte_cryptodev_init(struct rte_pci_driver *pci_drv,
+ struct rte_pci_device *pci_dev)
+{
+ struct rte_cryptodev_driver *cryptodrv;
+ struct rte_cryptodev *cryptodev;
+
+ char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
+
+ int retval;
+
+ cryptodrv = (struct rte_cryptodev_driver *)pci_drv;
+ if (cryptodrv == NULL)
+ return -ENODEV;
+
+ /* Create unique Crypto device name using PCI address */
+ rte_cryptodev_create_unique_device_name(cryptodev_name,
+ sizeof(cryptodev_name), pci_dev);
+
+ cryptodev = rte_cryptodev_pmd_allocate(cryptodev_name, PMD_PDEV,
+ rte_socket_id());
+ if (cryptodev == NULL)
+ return -ENOMEM;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ cryptodev->data->dev_private =
+ rte_zmalloc_socket(
+ "cryptodev private structure",
+ cryptodrv->dev_private_size,
+ RTE_CACHE_LINE_SIZE,
+ rte_socket_id());
+
+ if (cryptodev->data->dev_private == NULL)
+ rte_panic("Cannot allocate memzone for private "
+ "device data");
+ }
+
+ cryptodev->pci_dev = pci_dev;
+ cryptodev->driver = cryptodrv;
+
+ /* init user callbacks */
+ TAILQ_INIT(&(cryptodev->link_intr_cbs));
+
+ /* Invoke PMD device initialization function */
+ retval = (*cryptodrv->cryptodev_init)(cryptodrv, cryptodev);
+ if (retval == 0)
+ return 0;
+
+ CDEV_LOG_ERR("driver %s: crypto_dev_init(vendor_id=0x%x device_id=0x%x)"
+ " failed", pci_drv->name,
+ (unsigned) pci_dev->id.vendor_id,
+ (unsigned) pci_dev->id.device_id);
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ rte_free(cryptodev->data->dev_private);
+
+ cryptodev->attached = RTE_CRYPTODEV_DETACHED;
+ cryptodev_globals.nb_devs--;
+
+ return -ENXIO;
+}
+
+static int
+rte_cryptodev_uninit(struct rte_pci_device *pci_dev)
+{
+ const struct rte_cryptodev_driver *cryptodrv;
+ struct rte_cryptodev *cryptodev;
+ char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
+ int ret;
+
+ if (pci_dev == NULL)
+ return -EINVAL;
+
+ /* Create unique device name using PCI address */
+ rte_cryptodev_create_unique_device_name(cryptodev_name,
+ sizeof(cryptodev_name), pci_dev);
+
+ cryptodev = rte_cryptodev_pmd_get_named_dev(cryptodev_name);
+ if (cryptodev == NULL)
+ return -ENODEV;
+
+ cryptodrv = (const struct rte_cryptodev_driver *)pci_dev->driver;
+ if (cryptodrv == NULL)
+ return -ENODEV;
+
+ /* Invoke PMD device uninit function */
+ if (*cryptodrv->cryptodev_uninit) {
+ ret = (*cryptodrv->cryptodev_uninit)(cryptodrv, cryptodev);
+ if (ret)
+ return ret;
+ }
+
+ /* free crypto device */
+ rte_cryptodev_pmd_release_device(cryptodev);
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ rte_free(cryptodev->data->dev_private);
+
+ cryptodev->pci_dev = NULL;
+ cryptodev->driver = NULL;
+ cryptodev->data = NULL;
+
+ return 0;
+}
+
+int
+rte_cryptodev_pmd_driver_register(struct rte_cryptodev_driver *cryptodrv,
+ enum pmd_type type)
+{
+ /* Call crypto device initialization directly if device is virtual */
+ if (type == PMD_VDEV)
+ return rte_cryptodev_init((struct rte_pci_driver *)cryptodrv,
+ NULL);
+
+ /*
+ * Register PCI driver for physical device intialisation during
+ * PCI probing
+ */
+ cryptodrv->pci_drv.devinit = rte_cryptodev_init;
+ cryptodrv->pci_drv.devuninit = rte_cryptodev_uninit;
+
+ rte_eal_pci_register(&cryptodrv->pci_drv);
+
+ return 0;
+}
+
+
+uint16_t
+rte_cryptodev_queue_pair_count(uint8_t dev_id)
+{
+ struct rte_cryptodev *dev;
+
+ dev = &rte_crypto_devices[dev_id];
+ return dev->data->nb_queue_pairs;
+}
+
+static int
+rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
+ int socket_id)
+{
+ struct rte_cryptodev_info dev_info;
+ void **qp;
+ unsigned i;
+
+ if ((dev == NULL) || (nb_qpairs < 1)) {
+ CDEV_LOG_ERR("invalid param: dev %p, nb_queues %u",
+ dev, nb_qpairs);
+ return -EINVAL;
+ }
+
+ CDEV_LOG_DEBUG("Setup %d queues pairs on device %u",
+ nb_qpairs, dev->data->dev_id);
+
+ memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
+ (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
+
+ if (nb_qpairs > (dev_info.max_nb_queue_pairs)) {
+ CDEV_LOG_ERR("Invalid num queue_pairs (%u) for dev %u",
+ nb_qpairs, dev->data->dev_id);
+ return -EINVAL;
+ }
+
+ if (dev->data->queue_pairs == NULL) { /* first time configuration */
+ dev->data->queue_pairs = rte_zmalloc_socket(
+ "cryptodev->queue_pairs",
+ sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
+ RTE_CACHE_LINE_SIZE, socket_id);
+
+ if (dev->data->queue_pairs == NULL) {
+ dev->data->nb_queue_pairs = 0;
+ CDEV_LOG_ERR("failed to get memory for qp meta data, "
+ "nb_queues %u",
+ nb_qpairs);
+ return -(ENOMEM);
+ }
+ } else { /* re-configure */
+ int ret;
+ uint16_t old_nb_queues = dev->data->nb_queue_pairs;
+
+ qp = dev->data->queue_pairs;
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
+ -ENOTSUP);
+
+ for (i = nb_qpairs; i < old_nb_queues; i++) {
+ ret = (*dev->dev_ops->queue_pair_release)(dev, i);
+ if (ret < 0)
+ return ret;
+ }
+
+ qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
+ RTE_CACHE_LINE_SIZE);
+ if (qp == NULL) {
+ CDEV_LOG_ERR("failed to realloc qp meta data,"
+ " nb_queues %u", nb_qpairs);
+ return -(ENOMEM);
+ }
+
+ if (nb_qpairs > old_nb_queues) {
+ uint16_t new_qs = nb_qpairs - old_nb_queues;
+
+ memset(qp + old_nb_queues, 0,
+ sizeof(qp[0]) * new_qs);
+ }
+
+ dev->data->queue_pairs = qp;
+
+ }
+ dev->data->nb_queue_pairs = nb_qpairs;
+ return 0;
+}
+
+int
+rte_cryptodev_queue_pair_start(uint8_t dev_id, uint16_t queue_pair_id)
+{
+ struct rte_cryptodev *dev;
+
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+ CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
+ return -EINVAL;
+ }
+
+ dev = &rte_crypto_devices[dev_id];
+ if (queue_pair_id >= dev->data->nb_queue_pairs) {
+ CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
+ return -EINVAL;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_start, -ENOTSUP);
+
+ return dev->dev_ops->queue_pair_start(dev, queue_pair_id);
+
+}
+
+int
+rte_cryptodev_queue_pair_stop(uint8_t dev_id, uint16_t queue_pair_id)
+{
+ struct rte_cryptodev *dev;
+
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+ CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
+ return -EINVAL;
+ }
+
+ dev = &rte_crypto_devices[dev_id];
+ if (queue_pair_id >= dev->data->nb_queue_pairs) {
+ CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
+ return -EINVAL;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_stop, -ENOTSUP);
+
+ return dev->dev_ops->queue_pair_stop(dev, queue_pair_id);
+
+}
+
+static int
+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)
+{
+ struct rte_cryptodev *dev;
+ int diag;
+
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+ CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
+ return -EINVAL;
+ }
+
+ dev = &rte_crypto_devices[dev_id];
+
+ if (dev->data->dev_started) {
+ CDEV_LOG_ERR(
+ "device %d must be stopped to allow configuration", dev_id);
+ return -EBUSY;
+ }
+
+ /* Setup new number of queue pairs and reconfigure device. */
+ diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
+ config->socket_id);
+ if (diag != 0) {
+ CDEV_LOG_ERR("dev%d rte_crypto_dev_queue_pairs_config = %d",
+ dev_id, diag);
+ return diag;
+ }
+
+ /* Setup Session mempool for device */
+ return rte_cryptodev_sym_session_pool_create(dev,
+ config->session_mp.nb_objs,
+ config->session_mp.cache_size,
+ config->socket_id);
+}
+
+
+int
+rte_cryptodev_start(uint8_t dev_id)
+{
+ struct rte_cryptodev *dev;
+ int diag;
+
+ CDEV_LOG_DEBUG("Start dev_id=%" PRIu8, dev_id);
+
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+ CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
+ return -EINVAL;
+ }
+
+ dev = &rte_crypto_devices[dev_id];
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
+
+ if (dev->data->dev_started != 0) {
+ CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
+ dev_id);
+ return 0;
+ }
+
+ diag = (*dev->dev_ops->dev_start)(dev);
+ if (diag == 0)
+ dev->data->dev_started = 1;
+ else
+ return diag;
+
+ return 0;
+}
+
+void
+rte_cryptodev_stop(uint8_t dev_id)
+{
+ struct rte_cryptodev *dev;
+
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+ CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
+ return;
+ }
+
+ dev = &rte_crypto_devices[dev_id];
+
+ RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
+
+ if (dev->data->dev_started == 0) {
+ CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already stopped",
+ dev_id);
+ return;
+ }
+
+ dev->data->dev_started = 0;
+ (*dev->dev_ops->dev_stop)(dev);
+}
+
+int
+rte_cryptodev_close(uint8_t dev_id)
+{
+ struct rte_cryptodev *dev;
+ int retval;
+
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+ CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
+ return -1;
+ }
+
+ dev = &rte_crypto_devices[dev_id];
+
+ /* Device must be stopped before it can be closed */
+ if (dev->data->dev_started == 1) {
+ CDEV_LOG_ERR("Device %u must be stopped before closing",
+ dev_id);
+ return -EBUSY;
+ }
+
+ /* We can't close the device if there are outstanding sessions in use */
+ if (dev->data->session_pool != NULL) {
+ if (!rte_mempool_full(dev->data->session_pool)) {
+ CDEV_LOG_ERR("dev_id=%u close failed, session mempool "
+ "has sessions still in use, free "
+ "all sessions before calling close",
+ (unsigned)dev_id);
+ return -EBUSY;
+ }
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
+ retval = (*dev->dev_ops->dev_close)(dev);
+
+ if (retval < 0)
+ return retval;
+
+ return 0;
+}
+
+int
+rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
+ const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
+{
+ struct rte_cryptodev *dev;
+
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+ CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
+ return -EINVAL;
+ }
+
+ dev = &rte_crypto_devices[dev_id];
+ if (queue_pair_id >= dev->data->nb_queue_pairs) {
+ CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
+ return -EINVAL;
+ }
+
+ if (dev->data->dev_started) {
+ CDEV_LOG_ERR(
+ "device %d must be stopped to allow configuration", dev_id);
+ return -EBUSY;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
+
+ return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
+ socket_id);
+}
+
+
+int
+rte_cryptodev_stats_get(uint8_t dev_id, struct rte_cryptodev_stats *stats)
+{
+ struct rte_cryptodev *dev;
+
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+ CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
+ return -ENODEV;
+ }
+
+ if (stats == NULL) {
+ CDEV_LOG_ERR("Invalid stats ptr");
+ return -EINVAL;
+ }
+
+ dev = &rte_crypto_devices[dev_id];
+ memset(stats, 0, sizeof(*stats));
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
+ (*dev->dev_ops->stats_get)(dev, stats);
+ return 0;
+}
+
+void
+rte_cryptodev_stats_reset(uint8_t dev_id)
+{
+ struct rte_cryptodev *dev;
+
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+ CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
+ return;
+ }
+
+ dev = &rte_crypto_devices[dev_id];
+
+ RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
+ (*dev->dev_ops->stats_reset)(dev);
+}
+
+
+void
+rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
+{
+ struct rte_cryptodev *dev;
+
+ if (dev_id >= cryptodev_globals.nb_devs) {
+ CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
+ return;
+ }
+
+ dev = &rte_crypto_devices[dev_id];
+
+ memset(dev_info, 0, sizeof(struct rte_cryptodev_info));
+
+ RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
+ (*dev->dev_ops->dev_infos_get)(dev, dev_info);
+
+ dev_info->pci_dev = dev->pci_dev;
+ if (dev->driver)
+ dev_info->driver_name = dev->driver->pci_drv.name;
+}
+
+
+int
+rte_cryptodev_callback_register(uint8_t dev_id,
+ enum rte_cryptodev_event_type event,
+ rte_cryptodev_cb_fn cb_fn, void *cb_arg)
+{
+ struct rte_cryptodev *dev;
+ struct rte_cryptodev_callback *user_cb;
+
+ if (!cb_fn)
+ return -EINVAL;
+
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+ CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
+ return -EINVAL;
+ }
+
+ dev = &rte_crypto_devices[dev_id];
+ rte_spinlock_lock(&rte_cryptodev_cb_lock);
+
+ TAILQ_FOREACH(user_cb, &(dev->link_intr_cbs), next) {
+ if (user_cb->cb_fn == cb_fn &&
+ user_cb->cb_arg == cb_arg &&
+ user_cb->event == event) {
+ break;
+ }
+ }
+
+ /* create a new callback. */
+ if (user_cb == NULL) {
+ user_cb = rte_zmalloc("INTR_USER_CALLBACK",
+ sizeof(struct rte_cryptodev_callback), 0);
+ if (user_cb != NULL) {
+ user_cb->cb_fn = cb_fn;
+ user_cb->cb_arg = cb_arg;
+ user_cb->event = event;
+ TAILQ_INSERT_TAIL(&(dev->link_intr_cbs), user_cb, next);
+ }
+ }
+
+ rte_spinlock_unlock(&rte_cryptodev_cb_lock);
+ return (user_cb == NULL) ? -ENOMEM : 0;
+}
+
+int
+rte_cryptodev_callback_unregister(uint8_t dev_id,
+ enum rte_cryptodev_event_type event,
+ rte_cryptodev_cb_fn cb_fn, void *cb_arg)
+{
+ int ret;
+ struct rte_cryptodev *dev;
+ struct rte_cryptodev_callback *cb, *next;
+
+ if (!cb_fn)
+ return -EINVAL;
+
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+ CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
+ return -EINVAL;
+ }
+
+ dev = &rte_crypto_devices[dev_id];
+ rte_spinlock_lock(&rte_cryptodev_cb_lock);
+
+ ret = 0;
+ for (cb = TAILQ_FIRST(&dev->link_intr_cbs); cb != NULL; cb = next) {
+
+ next = TAILQ_NEXT(cb, next);
+
+ if (cb->cb_fn != cb_fn || cb->event != event ||
+ (cb->cb_arg != (void *)-1 &&
+ cb->cb_arg != cb_arg))
+ continue;
+
+ /*
+ * if this callback is not executing right now,
+ * then remove it.
+ */
+ if (cb->active == 0) {
+ TAILQ_REMOVE(&(dev->link_intr_cbs), cb, next);
+ rte_free(cb);
+ } else {
+ ret = -EAGAIN;
+ }
+ }
+
+ rte_spinlock_unlock(&rte_cryptodev_cb_lock);
+ return ret;
+}
+
+void
+rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
+ enum rte_cryptodev_event_type event)
+{
+ struct rte_cryptodev_callback *cb_lst;
+ struct rte_cryptodev_callback dev_cb;
+
+ rte_spinlock_lock(&rte_cryptodev_cb_lock);
+ TAILQ_FOREACH(cb_lst, &(dev->link_intr_cbs), next) {
+ if (cb_lst->cb_fn == NULL || cb_lst->event != event)
+ continue;
+ dev_cb = *cb_lst;
+ cb_lst->active = 1;
+ rte_spinlock_unlock(&rte_cryptodev_cb_lock);
+ dev_cb.cb_fn(dev->data->dev_id, dev_cb.event,
+ dev_cb.cb_arg);
+ rte_spinlock_lock(&rte_cryptodev_cb_lock);
+ cb_lst->active = 0;
+ }
+ rte_spinlock_unlock(&rte_cryptodev_cb_lock);
+}
+
+
+static void
+rte_cryptodev_sym_session_init(struct rte_mempool *mp,
+ void *opaque_arg,
+ void *_sess,
+ __rte_unused unsigned i)
+{
+ 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->dev_type = dev->dev_type;
+ sess->mp = mp;
+
+ if (dev->dev_ops->session_initialize)
+ (*dev->dev_ops->session_initialize)(mp, sess->_private);
+}
+
+static int
+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;
+
+ unsigned n = snprintf(mp_name, sizeof(mp_name), "cdev_%d_sess_mp",
+ dev->data->dev_id);
+ if (n > sizeof(mp_name)) {
+ CDEV_LOG_ERR("Unable to create unique name for session mempool");
+ return -ENOMEM;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_get_size, -ENOTSUP);
+ priv_sess_size = (*dev->dev_ops->session_get_size)(dev);
+ if (priv_sess_size == 0) {
+ CDEV_LOG_ERR("%s returned and invalid private session size ",
+ dev->data->name);
+ return -ENOMEM;
+ }
+
+ unsigned elt_size = sizeof(struct rte_cryptodev_sym_session) +
+ priv_sess_size;
+
+ dev->data->session_pool = rte_mempool_lookup(mp_name);
+ if (dev->data->session_pool != NULL) {
+ if ((dev->data->session_pool->elt_size != elt_size) ||
+ (dev->data->session_pool->cache_size <
+ obj_cache_size) ||
+ (dev->data->session_pool->size < nb_objs)) {
+
+ CDEV_LOG_ERR("%s mempool already exists with different"
+ " initialization parameters", mp_name);
+ dev->data->session_pool = NULL;
+ return -ENOMEM;
+ }
+ } else {
+ dev->data->session_pool = rte_mempool_create(
+ mp_name, /* mempool name */
+ nb_objs, /* number of elements*/
+ elt_size, /* element size*/
+ obj_cache_size, /* Cache size*/
+ 0, /* private data size */
+ NULL, /* obj initialization constructor */
+ NULL, /* obj initialization constructor arg */
+ rte_cryptodev_sym_session_init,
+ /**< obj constructor*/
+ dev, /* obj constructor arg */
+ socket_id, /* socket id */
+ 0); /* flags */
+
+ if (dev->data->session_pool == NULL) {
+ CDEV_LOG_ERR("%s mempool allocation failed", mp_name);
+ return -ENOMEM;
+ }
+ }
+
+ CDEV_LOG_DEBUG("%s mempool created!", mp_name);
+ return 0;
+}
+
+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_sym_session *sess;
+ void *_sess;
+
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+ CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
+ return NULL;
+ }
+
+ dev = &rte_crypto_devices[dev_id];
+
+ /* Allocate a session structure from the session pool */
+ if (rte_mempool_get(dev->data->session_pool, &_sess)) {
+ CDEV_LOG_ERR("Couldn't get object from session mempool");
+ return NULL;
+ }
+
+ 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) ==
+ NULL) {
+ CDEV_LOG_ERR("dev_id %d failed to configure session details",
+ dev_id);
+
+ /* Return session to mempool */
+ rte_mempool_put(sess->mp, _sess);
+ return NULL;
+ }
+
+ return 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;
+
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+ CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
+ return sess;
+ }
+
+ dev = &rte_crypto_devices[dev_id];
+
+ /* Check the session belongs to this device type */
+ if (sess->dev_type != dev->dev_type)
+ return sess;
+
+ /* Let device implementation clear session material */
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_clear, sess);
+ dev->dev_ops->session_clear(dev, (void *)sess->_private);
+
+ /* Return session to mempool */
+ rte_mempool_put(sess->mp, (void *)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;
+}
Code Review / deb_dpdk.git / blobdiff