crypto/snow3g: remove check for SSE4
[dpdk.git] / drivers / crypto / snow3g / rte_snow3g_pmd.c
index e64d7a7..7151c21 100644 (file)
@@ -35,6 +35,7 @@
 #include <rte_hexdump.h>
 #include <rte_cryptodev.h>
 #include <rte_cryptodev_pmd.h>
+#include <rte_cryptodev_vdev.h>
 #include <rte_vdev.h>
 #include <rte_malloc.h>
 #include <rte_cpuflags.h>
 #define SNOW3G_MAX_BURST 8
 #define BYTE_LEN 8
 
-/**
- * Global static parameter used to create a unique name for each SNOW 3G
- * crypto device.
- */
-static unsigned unique_name_id;
-
-static inline int
-create_unique_device_name(char *name, size_t size)
-{
-       int ret;
-
-       if (name == NULL)
-               return -EINVAL;
-
-       ret = snprintf(name, size, "%s_%u", RTE_STR(CRYPTODEV_NAME_SNOW3G_PMD),
-                       unique_name_id++);
-       if (ret < 0)
-               return ret;
-       return 0;
-}
-
 /** Get xform chain order. */
 static enum snow3g_operation
 snow3g_get_mode(const struct rte_crypto_sym_xform *xform)
@@ -107,7 +87,7 @@ snow3g_set_session_parameters(struct snow3g_session *sess,
 {
        const struct rte_crypto_sym_xform *auth_xform = NULL;
        const struct rte_crypto_sym_xform *cipher_xform = NULL;
-       int mode;
+       enum snow3g_operation mode;
 
        /* Select Crypto operation - hash then cipher / cipher then hash */
        mode = snow3g_get_mode(xform);
@@ -125,9 +105,9 @@ snow3g_set_session_parameters(struct snow3g_session *sess,
                /* Fall-through */
        case SNOW3G_OP_ONLY_AUTH:
                auth_xform = xform;
-       }
-
-       if (mode == SNOW3G_OP_NOT_SUPPORTED) {
+               break;
+       case SNOW3G_OP_NOT_SUPPORTED:
+       default:
                SNOW3G_LOG_ERR("Unsupported operation chain order parameter");
                return -EINVAL;
        }
@@ -137,7 +117,7 @@ snow3g_set_session_parameters(struct snow3g_session *sess,
                if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_SNOW3G_UEA2)
                        return -EINVAL;
                /* Initialize key */
-               sso_snow3g_init_key_sched(xform->cipher.key.data,
+               sso_snow3g_init_key_sched(cipher_xform->cipher.key.data,
                                &sess->pKeySched_cipher);
        }
 
@@ -147,7 +127,7 @@ snow3g_set_session_parameters(struct snow3g_session *sess,
                        return -EINVAL;
                sess->auth_op = auth_xform->auth.op;
                /* Initialize key */
-               sso_snow3g_init_key_sched(xform->auth.key.data,
+               sso_snow3g_init_key_sched(auth_xform->auth.key.data,
                                &sess->pKeySched_hash);
        }
 
@@ -330,6 +310,21 @@ process_ops(struct rte_crypto_op **ops, struct snow3g_session *session,
        unsigned i;
        unsigned enqueued_ops, processed_ops;
 
+#ifdef RTE_LIBRTE_PMD_SNOW3G_DEBUG
+       for (i = 0; i < num_ops; i++) {
+               if (!rte_pktmbuf_is_contiguous(ops[i]->sym->m_src) ||
+                               (ops[i]->sym->m_dst != NULL &&
+                               !rte_pktmbuf_is_contiguous(
+                                               ops[i]->sym->m_dst))) {
+                       SNOW3G_LOG_ERR("PMD supports only contiguous mbufs, "
+                               "op (%p) provides noncontiguous mbuf as "
+                               "source/destination buffer.\n", ops[i]);
+                       ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+                       return 0;
+               }
+       }
+#endif
+
        switch (session->op) {
        case SNOW3G_OP_ONLY_CIPHER:
                processed_ops = process_snow3g_cipher_op(ops,
@@ -369,7 +364,7 @@ process_ops(struct rte_crypto_op **ops, struct snow3g_session *session,
        }
 
        enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
-                       (void **)ops, processed_ops);
+                       (void **)ops, processed_ops, NULL);
        qp->qp_stats.enqueued_count += enqueued_ops;
        *accumulated_enqueued_ops += enqueued_ops;
 
@@ -420,7 +415,7 @@ process_op_bit(struct rte_crypto_op *op, struct snow3g_session *session,
        }
 
        enqueued_op = rte_ring_enqueue_burst(qp->processed_ops,
-                       (void **)&op, processed_op);
+                       (void **)&op, processed_op, NULL);
        qp->qp_stats.enqueued_count += enqueued_op;
        *accumulated_enqueued_ops += enqueued_op;
 
@@ -539,41 +534,30 @@ snow3g_pmd_dequeue_burst(void *queue_pair,
        unsigned nb_dequeued;
 
        nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
-                       (void **)c_ops, nb_ops);
+                       (void **)c_ops, nb_ops, NULL);
        qp->qp_stats.dequeued_count += nb_dequeued;
 
        return nb_dequeued;
 }
 
-static int cryptodev_snow3g_remove(const char *name);
+static int cryptodev_snow3g_remove(struct rte_vdev_device *vdev);
 
 static int
 cryptodev_snow3g_create(const char *name,
-               struct rte_crypto_vdev_init_params *init_params)
+                       struct rte_vdev_device *vdev,
+                       struct rte_crypto_vdev_init_params *init_params)
 {
        struct rte_cryptodev *dev;
-       char crypto_dev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
        struct snow3g_private *internals;
-       uint64_t cpu_flags = 0;
-
-       /* Check CPU for supported vector instruction set */
-       if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
-               cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
-       else {
-               SNOW3G_LOG_ERR("Vector instructions are not supported by CPU");
-               return -EFAULT;
-       }
+       uint64_t cpu_flags = RTE_CRYPTODEV_FF_CPU_SSE;
 
+       if (init_params->name[0] == '\0')
+               snprintf(init_params->name, sizeof(init_params->name),
+                               "%s", name);
 
-       /* Create a unique device name. */
-       if (create_unique_device_name(crypto_dev_name,
-                       RTE_CRYPTODEV_NAME_MAX_LEN) != 0) {
-               SNOW3G_LOG_ERR("failed to create unique cryptodev name");
-               return -EINVAL;
-       }
-
-       dev = rte_cryptodev_pmd_virtual_dev_init(crypto_dev_name,
-                       sizeof(struct snow3g_private), init_params->socket_id);
+       dev = rte_cryptodev_vdev_pmd_init(init_params->name,
+                       sizeof(struct snow3g_private), init_params->socket_id,
+                       vdev);
        if (dev == NULL) {
                SNOW3G_LOG_ERR("failed to create cryptodev vdev");
                goto init_error;
@@ -597,37 +581,51 @@ cryptodev_snow3g_create(const char *name,
 
        return 0;
 init_error:
-       SNOW3G_LOG_ERR("driver %s: cryptodev_snow3g_create failed", name);
+       SNOW3G_LOG_ERR("driver %s: cryptodev_snow3g_create failed",
+                       init_params->name);
 
-       cryptodev_snow3g_remove(crypto_dev_name);
+       cryptodev_snow3g_remove(vdev);
        return -EFAULT;
 }
 
 static int
-cryptodev_snow3g_probe(const char *name,
-               const char *input_args)
+cryptodev_snow3g_probe(struct rte_vdev_device *vdev)
 {
        struct rte_crypto_vdev_init_params init_params = {
                RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
                RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
-               rte_socket_id()
+               rte_socket_id(),
+               {0}
        };
+       const char *name;
+       const char *input_args;
+
+       name = rte_vdev_device_name(vdev);
+       if (name == NULL)
+               return -EINVAL;
+       input_args = rte_vdev_device_args(vdev);
 
-       rte_cryptodev_parse_vdev_init_params(&init_params, input_args);
+       rte_cryptodev_vdev_parse_init_params(&init_params, input_args);
 
        RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
                        init_params.socket_id);
+       if (init_params.name[0] != '\0')
+               RTE_LOG(INFO, PMD, "  User defined name = %s\n",
+                       init_params.name);
        RTE_LOG(INFO, PMD, "  Max number of queue pairs = %d\n",
                        init_params.max_nb_queue_pairs);
        RTE_LOG(INFO, PMD, "  Max number of sessions = %d\n",
                        init_params.max_nb_sessions);
 
-       return cryptodev_snow3g_create(name, &init_params);
+       return cryptodev_snow3g_create(name, vdev, &init_params);
 }
 
 static int
-cryptodev_snow3g_remove(const char *name)
+cryptodev_snow3g_remove(struct rte_vdev_device *vdev)
 {
+       const char *name;
+
+       name = rte_vdev_device_name(vdev);
        if (name == NULL)
                return -EINVAL;
 
@@ -643,8 +641,9 @@ static struct rte_vdev_driver cryptodev_snow3g_pmd_drv = {
        .remove = cryptodev_snow3g_remove
 };
 
-DRIVER_REGISTER_VDEV(CRYPTODEV_NAME_SNOW3G_PMD, cryptodev_snow3g_pmd_drv);
-DRIVER_REGISTER_PARAM_STRING(CRYPTODEV_NAME_SNOW3G_PMD,
+RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_SNOW3G_PMD, cryptodev_snow3g_pmd_drv);
+RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_SNOW3G_PMD, cryptodev_snow3g_pmd);
+RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_SNOW3G_PMD,
        "max_nb_queue_pairs=<int> "
        "max_nb_sessions=<int> "
        "socket_id=<int>");