--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2017 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 the copyright holder 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 <rte_malloc.h>
+
+#include "rte_cryptodev_vdev.h"
+#include "rte_cryptodev_pci.h"
+#include "rte_cryptodev_pmd.h"
+
+/**
+ * Parse name from argument
+ */
+static int
+rte_cryptodev_vdev_parse_name_arg(const char *key __rte_unused,
+ const char *value, void *extra_args)
+{
+ struct rte_crypto_vdev_init_params *params = extra_args;
+
+ if (strlen(value) >= RTE_CRYPTODEV_NAME_MAX_LEN - 1) {
+ CDEV_LOG_ERR("Invalid name %s, should be less than "
+ "%u bytes", value,
+ RTE_CRYPTODEV_NAME_MAX_LEN - 1);
+ return -1;
+ }
+
+ strncpy(params->name, value, RTE_CRYPTODEV_NAME_MAX_LEN);
+
+ return 0;
+}
+
+/**
+ * Parse integer from argument
+ */
+static int
+rte_cryptodev_vdev_parse_integer_arg(const char *key __rte_unused,
+ const char *value, void *extra_args)
+{
+ int *i = extra_args;
+
+ *i = atoi(value);
+ if (*i < 0) {
+ CDEV_LOG_ERR("Argument has to be positive.");
+ return -1;
+ }
+
+ return 0;
+}
+
+struct rte_cryptodev *
+rte_cryptodev_vdev_pmd_init(const char *name, size_t dev_private_size,
+ int socket_id, struct rte_vdev_device *vdev)
+{
+ struct rte_cryptodev *cryptodev;
+
+ /* allocate device structure */
+ cryptodev = rte_cryptodev_pmd_allocate(name, 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");
+ }
+
+ cryptodev->device = &vdev->device;
+
+ /* initialise user call-back tail queue */
+ TAILQ_INIT(&(cryptodev->link_intr_cbs));
+
+ return cryptodev;
+}
+
+int
+rte_cryptodev_vdev_parse_init_params(struct rte_crypto_vdev_init_params *params,
+ const char *input_args)
+{
+ struct rte_kvargs *kvlist = NULL;
+ int ret = 0;
+
+ 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,
+ &rte_cryptodev_vdev_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,
+ &rte_cryptodev_vdev_parse_integer_arg,
+ ¶ms->max_nb_sessions);
+ if (ret < 0)
+ goto free_kvlist;
+
+ ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_SOCKET_ID,
+ &rte_cryptodev_vdev_parse_integer_arg,
+ ¶ms->socket_id);
+ if (ret < 0)
+ goto free_kvlist;
+
+ ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_NAME,
+ &rte_cryptodev_vdev_parse_name_arg,
+ params);
+ if (ret < 0)
+ goto free_kvlist;
+ }
+
+free_kvlist:
+ rte_kvargs_free(kvlist);
+ return ret;
+}
+
+int
+rte_cryptodev_pci_generic_probe(struct rte_pci_device *pci_dev,
+ size_t private_data_size,
+ cryptodev_pci_init_t dev_init)
+{
+ struct rte_cryptodev *cryptodev;
+
+ char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
+
+ int retval;
+
+ rte_pci_device_name(&pci_dev->addr, cryptodev_name,
+ sizeof(cryptodev_name));
+
+ cryptodev = rte_cryptodev_pmd_allocate(cryptodev_name, 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",
+ private_data_size,
+ RTE_CACHE_LINE_SIZE,
+ rte_socket_id());
+
+ if (cryptodev->data->dev_private == NULL)
+ rte_panic("Cannot allocate memzone for private "
+ "device data");
+ }
+
+ cryptodev->device = &pci_dev->device;
+
+ /* init user callbacks */
+ TAILQ_INIT(&(cryptodev->link_intr_cbs));
+
+ /* Invoke PMD device initialization function */
+ RTE_FUNC_PTR_OR_ERR_RET(*dev_init, -EINVAL);
+ retval = dev_init(cryptodev);
+ if (retval == 0)
+ return 0;
+
+ CDEV_LOG_ERR("driver %s: crypto_dev_init(vendor_id=0x%x device_id=0x%x)"
+ " failed", pci_dev->device.driver->name,
+ (unsigned int) pci_dev->id.vendor_id,
+ (unsigned int) pci_dev->id.device_id);
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ rte_free(cryptodev->data->dev_private);
+
+ /* free crypto device */
+ rte_cryptodev_pmd_release_device(cryptodev);
+
+ return -ENXIO;
+}
+
+int
+rte_cryptodev_pci_generic_remove(struct rte_pci_device *pci_dev,
+ cryptodev_pci_uninit_t dev_uninit)
+{
+ struct rte_cryptodev *cryptodev;
+ char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
+ int ret;
+
+ if (pci_dev == NULL)
+ return -EINVAL;
+
+ rte_pci_device_name(&pci_dev->addr, cryptodev_name,
+ sizeof(cryptodev_name));
+
+ cryptodev = rte_cryptodev_pmd_get_named_dev(cryptodev_name);
+ if (cryptodev == NULL)
+ return -ENODEV;
+
+ /* Invoke PMD device uninit function */
+ if (dev_uninit) {
+ ret = dev_uninit(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->device = NULL;
+ cryptodev->data = NULL;
+
+ return 0;
+}
Code Review / deb_dpdk.git / blobdiff