test mbuf attach
[dpdk.git] / lib / librte_cryptodev / rte_cryptodev_pmd.c
index a57faad..0912004 100644 (file)
-/*-
- *   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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Intel Corporation
  */
 
+#include <rte_string_fns.h>
 #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,
+rte_cryptodev_pmd_parse_name_arg(const char *key __rte_unused,
                const char *value, void *extra_args)
 {
-       struct rte_crypto_vdev_init_params *params = extra_args;
+       struct rte_cryptodev_pmd_init_params *params = extra_args;
+       int n;
 
-       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);
+       n = strlcpy(params->name, value, RTE_CRYPTODEV_NAME_MAX_LEN);
+       if (n >= RTE_CRYPTODEV_NAME_MAX_LEN)
+               return -EINVAL;
 
        return 0;
 }
 
 /**
- * Parse integer from argument
+ * Parse unsigned integer from argument
  */
 static int
-rte_cryptodev_vdev_parse_integer_arg(const char *key __rte_unused,
+rte_cryptodev_pmd_parse_uint_arg(const char *key __rte_unused,
                const char *value, void *extra_args)
 {
-       int *i = extra_args;
+       int i;
+       char *end;
+       errno = 0;
 
-       *i = atoi(value);
-       if (*i < 0) {
-               CDEV_LOG_ERR("Argument has to be positive.");
-               return -1;
-       }
+       i = strtol(value, &end, 10);
+       if (*end != 0 || errno != 0 || i < 0)
+               return -EINVAL;
 
+       *((uint32_t *)extra_args) = i;
        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)
+rte_cryptodev_pmd_parse_input_args(
+               struct rte_cryptodev_pmd_init_params *params,
+               const char *args)
 {
        struct rte_kvargs *kvlist = NULL;
        int ret = 0;
@@ -117,35 +54,29 @@ rte_cryptodev_vdev_parse_init_params(struct rte_crypto_vdev_init_params *params,
        if (params == NULL)
                return -EINVAL;
 
-       if (input_args) {
-               kvlist = rte_kvargs_parse(input_args,
-                               cryptodev_vdev_valid_params);
+       if (args) {
+               kvlist = rte_kvargs_parse(args, cryptodev_pmd_valid_params);
                if (kvlist == NULL)
-                       return -1;
+                       return -EINVAL;
 
                ret = rte_kvargs_process(kvlist,
-                                       RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
-                                       &rte_cryptodev_vdev_parse_integer_arg,
-                                       &params->max_nb_queue_pairs);
+                               RTE_CRYPTODEV_PMD_MAX_NB_QP_ARG,
+                               &rte_cryptodev_pmd_parse_uint_arg,
+                               &params->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,
-                                       &params->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,
-                                       &params->socket_id);
+                               RTE_CRYPTODEV_PMD_SOCKET_ID_ARG,
+                               &rte_cryptodev_pmd_parse_uint_arg,
+                               &params->socket_id);
                if (ret < 0)
                        goto free_kvlist;
 
-               ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_NAME,
-                                       &rte_cryptodev_vdev_parse_name_arg,
-                                       params);
+               ret = rte_kvargs_process(kvlist,
+                               RTE_CRYPTODEV_PMD_NAME_ARG,
+                               &rte_cryptodev_pmd_parse_name_arg,
+                               params);
                if (ret < 0)
                        goto free_kvlist;
        }
@@ -155,93 +86,72 @@ 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 *
+rte_cryptodev_pmd_create(const char *name,
+               struct rte_device *device,
+               struct rte_cryptodev_pmd_init_params *params)
 {
        struct rte_cryptodev *cryptodev;
 
-       char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
+       if (params->name[0] != '\0') {
+               CDEV_LOG_INFO("User specified device name = %s\n", params->name);
+               name = params->name;
+       }
 
-       int retval;
+       CDEV_LOG_INFO("Creating cryptodev %s\n", name);
 
-       rte_pci_device_name(&pci_dev->addr, cryptodev_name,
-                       sizeof(cryptodev_name));
+       CDEV_LOG_INFO("Initialisation parameters - name: %s,"
+                       "socket id: %d, max queue pairs: %u",
+                       name, params->socket_id, params->max_nb_queue_pairs);
 
-       cryptodev = rte_cryptodev_pmd_allocate(cryptodev_name, rte_socket_id());
-       if (cryptodev == NULL)
-               return -ENOMEM;
+       /* allocate device structure */
+       cryptodev = rte_cryptodev_pmd_allocate(name, params->socket_id);
+       if (cryptodev == NULL) {
+               CDEV_LOG_ERR("Failed to allocate crypto device for %s", name);
+               return NULL;
+       }
 
+       /* allocate private device structure */
        if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
                cryptodev->data->dev_private =
-                               rte_zmalloc_socket(
-                                               "cryptodev private structure",
-                                               private_data_size,
+                               rte_zmalloc_socket("cryptodev device private",
+                                               params->private_data_size,
                                                RTE_CACHE_LINE_SIZE,
-                                               rte_socket_id());
+                                               params->socket_id);
+
+               if (cryptodev->data->dev_private == NULL) {
+                       CDEV_LOG_ERR("Cannot allocate memory for cryptodev %s"
+                                       " private data", name);
 
-               if (cryptodev->data->dev_private == NULL)
-                       rte_panic("Cannot allocate memzone for private "
-                                       "device data");
+                       rte_cryptodev_pmd_release_device(cryptodev);
+                       return NULL;
+               }
        }
 
-       cryptodev->device = &pci_dev->device;
+       cryptodev->device = device;
 
-       /* init user callbacks */
+       /* initialise user call-back tail queue */
        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;
+       return cryptodev;
 }
 
 int
-rte_cryptodev_pci_generic_remove(struct rte_pci_device *pci_dev,
-               cryptodev_pci_uninit_t dev_uninit)
+rte_cryptodev_pmd_destroy(struct rte_cryptodev *cryptodev)
 {
-       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;
+       int retval;
 
-       /* Invoke PMD device uninit function */
-       if (dev_uninit) {
-               ret = dev_uninit(cryptodev);
-               if (ret)
-                       return ret;
-       }
+       CDEV_LOG_INFO("Closing crypto device %s", cryptodev->device->name);
 
        /* free crypto device */
-       rte_cryptodev_pmd_release_device(cryptodev);
+       retval = rte_cryptodev_pmd_release_device(cryptodev);
+       if (retval)
+               return retval;
 
        if (rte_eal_process_type() == RTE_PROC_PRIMARY)
                rte_free(cryptodev->data->dev_private);
 
+
        cryptodev->device = NULL;
        cryptodev->data = NULL;