+#define RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG ("max_nb_queue_pairs")
+#define RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG ("max_nb_sessions")
+#define RTE_CRYPTODEV_VDEV_SOCKET_ID ("socket_id")
+
+static const char *cryptodev_vdev_valid_params[] = {
+ RTE_CRYPTODEV_VDEV_MAX_NB_QP_ARG,
+ RTE_CRYPTODEV_VDEV_MAX_NB_SESS_ARG,
+ RTE_CRYPTODEV_VDEV_SOCKET_ID
+};
+
+static uint8_t
+number_of_sockets(void)
+{
+ int sockets = 0;
+ int i;
+ const struct rte_memseg *ms = rte_eal_get_physmem_layout();
+
+ for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
+ if (sockets < ms[i].socket_id)
+ sockets = ms[i].socket_id;
+ }
+
+ /* Number of sockets = maximum socket_id + 1 */
+ return ++sockets;
+}
+
+/** Parse integer from integer argument */
+static int
+parse_integer_arg(const char *key __rte_unused,
+ const char *value, void *extra_args)
+{
+ int *i = (int *) extra_args;
+
+ *i = atoi(value);
+ if (*i < 0) {
+ CDEV_LOG_ERR("Argument has to be positive.");
+ return -1;
+ }
+
+ return 0;
+}
+
+int
+rte_cryptodev_parse_vdev_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,
+ &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,
+ &parse_integer_arg,
+ ¶ms->max_nb_sessions);
+ if (ret < 0)
+ goto free_kvlist;
+
+ ret = rte_kvargs_process(kvlist, RTE_CRYPTODEV_VDEV_SOCKET_ID,
+ &parse_integer_arg,
+ ¶ms->socket_id);
+ if (ret < 0)
+ goto free_kvlist;
+
+ if (params->socket_id >= number_of_sockets()) {
+ CDEV_LOG_ERR("Invalid socket id specified to create "
+ "the virtual crypto device on");
+ goto free_kvlist;
+ }
+ }
+
+free_kvlist:
+ rte_kvargs_free(kvlist);
+ return ret;
+}
+
+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;
+ }
+}
+
+