X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_cryptodev%2Frte_cryptodev.h;h=53cca22ece688249180a8d87ce7eb1690c31d1ea;hb=3aafc423cf4dc2c8c1ec9bb9ca22cbc488e7e0a2;hp=aab8cffe22b86435f242301be7a5b5073efcceef;hpb=8bdf665fe6c017a8b236c405a689d170264f7b1d;p=dpdk.git

diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h
index aab8cffe22..53cca22ece 100644
--- a/lib/librte_cryptodev/rte_cryptodev.h
+++ b/lib/librte_cryptodev/rte_cryptodev.h
@@ -48,6 +48,7 @@
 extern "C" {
 #endif
 
+#include "rte_kvargs.h"
 #include "rte_crypto.h"
 #include "rte_dev.h"
 
@@ -57,15 +58,17 @@ extern "C" {
 /**< AES-NI Multi buffer PMD device name */
 #define CRYPTODEV_NAME_QAT_SYM_PMD	("cryptodev_qat_sym_pmd")
 /**< Intel QAT Symmetric Crypto PMD device name */
+#define CRYPTODEV_NAME_SNOW3G_PMD	("cryptodev_snow3g_pmd")
+/**< SNOW 3G PMD device name */
 
 /** Crypto device type */
 enum rte_cryptodev_type {
 	RTE_CRYPTODEV_NULL_PMD = 1,	/**< Null crypto PMD */
 	RTE_CRYPTODEV_AESNI_MB_PMD,	/**< AES-NI multi buffer PMD */
 	RTE_CRYPTODEV_QAT_SYM_PMD,	/**< QAT PMD Symmetric Crypto */
+	RTE_CRYPTODEV_SNOW3G_PMD,	/**< SNOW 3G PMD */
 };
 
-
 extern const char **rte_cyptodev_names;
 
 /* Logging Macros */
@@ -148,6 +151,121 @@ struct rte_cryptodev_stats {
 	/**< Total error count on operations dequeued */
 };
 
+#define RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS	8
+#define RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS	2048
+
+/**
+ * @internal
+ * Initialisation parameters for virtual crypto devices
+ */
+struct rte_crypto_vdev_init_params {
+	unsigned max_nb_queue_pairs;
+	unsigned max_nb_sessions;
+	uint8_t socket_id;
+};
+
+#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 inline 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 inline int
+__rte_cryptodev_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;
+}
+
+/**
+ * Parse virtual device initialisation parameters input arguments
+ * @internal
+ *
+ * @params	params		Initialisation parameters with defaults set.
+ * @params	input_args	Command line arguments
+ *
+ * @return
+ * 0 on successful parse
+ * <0 on failure to parse
+ */
+static inline int
+rte_cryptodev_parse_vdev_init_params(struct rte_crypto_vdev_init_params *params,
+		const char *input_args)
+{
+	struct rte_kvargs *kvlist;
+	int ret;
+
+	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_parse_integer_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_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_parse_integer_arg,
+					&params->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;
+		}
+	}
+
+	return 0;
+
+free_kvlist:
+	rte_kvargs_free(kvlist);
+	return ret;
+}
 
 /**
  * Create a virtual crypto device