X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_cryptodev%2Frte_cryptodev_pmd.h;h=744405e2f5edd1286b70ee7a8040e396460a21af;hb=455da5453987;hp=c983eb21bdc2bd1ad976cbc22820337c92a64789;hpb=27391b53b3fceb84e21173fa663650c3912dffca;p=dpdk.git

diff --git a/lib/librte_cryptodev/rte_cryptodev_pmd.h b/lib/librte_cryptodev/rte_cryptodev_pmd.h
index c983eb21bd..744405e2f5 100644
--- a/lib/librte_cryptodev/rte_cryptodev_pmd.h
+++ b/lib/librte_cryptodev/rte_cryptodev_pmd.h
@@ -56,6 +56,35 @@ extern "C" {
 #include "rte_crypto.h"
 #include "rte_cryptodev.h"
 
+
+#define RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS	8
+#define RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_SESSIONS	2048
+
+#define RTE_CRYPTODEV_PMD_NAME_ARG			("name")
+#define RTE_CRYPTODEV_PMD_MAX_NB_QP_ARG			("max_nb_queue_pairs")
+#define RTE_CRYPTODEV_PMD_MAX_NB_SESS_ARG		("max_nb_sessions")
+#define RTE_CRYPTODEV_PMD_SOCKET_ID_ARG			("socket_id")
+
+
+static const char * const cryptodev_pmd_valid_params[] = {
+	RTE_CRYPTODEV_PMD_NAME_ARG,
+	RTE_CRYPTODEV_PMD_MAX_NB_QP_ARG,
+	RTE_CRYPTODEV_PMD_MAX_NB_SESS_ARG,
+	RTE_CRYPTODEV_PMD_SOCKET_ID_ARG
+};
+
+/**
+ * @internal
+ * Initialisation parameters for crypto devices
+ */
+struct rte_cryptodev_pmd_init_params {
+	char name[RTE_CRYPTODEV_NAME_MAX_LEN];
+	size_t private_data_size;
+	int socket_id;
+	unsigned int max_nb_queue_pairs;
+	unsigned int max_nb_sessions;
+};
+
 /** Global structure used for maintaining state of allocated crypto devices */
 struct rte_cryptodev_global {
 	struct rte_cryptodev *devs;	/**< Device information array */
@@ -65,6 +94,13 @@ struct rte_cryptodev_global {
 	uint8_t max_devs;		/**< Max number of devices */
 };
 
+/* Cryptodev driver, containing the driver ID */
+struct cryptodev_driver {
+	TAILQ_ENTRY(cryptodev_driver) next; /**< Next in list. */
+	const struct rte_driver *driver;
+	uint8_t id;
+};
+
 /** pointer to global crypto devices data structure. */
 extern struct rte_cryptodev_global *rte_cryptodev_globals;
 
@@ -385,6 +421,63 @@ rte_cryptodev_pmd_allocate(const char *name, int socket_id);
 extern int
 rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev);
 
+
+/**
+ * @internal
+ *
+ * PMD assist function to parse initialisation arguments for crypto driver
+ * when creating a new crypto PMD device instance.
+ *
+ * PMD driver should set default values for that PMD before calling function,
+ * these default values will be over-written with successfully parsed values
+ * from args string.
+ *
+ * @param	params	parsed PMD initialisation parameters
+ * @param	args	input argument string to parse
+ *
+ * @return
+ *  - 0 on success
+ *  - errno on failure
+ */
+int
+rte_cryptodev_pmd_parse_input_args(
+		struct rte_cryptodev_pmd_init_params *params,
+		const char *args);
+
+/**
+ * @internal
+ *
+ * PMD assist function to provide boiler plate code for crypto driver to create
+ * and allocate resources for a new crypto PMD device instance.
+ *
+ * @param	name	crypto device name.
+ * @param	device	base device instance
+ * @param	params	PMD initialisation parameters
+ *
+ * @return
+ *  - crypto device instance on success
+ *  - NULL on creation failure
+ */
+struct rte_cryptodev *
+rte_cryptodev_pmd_create(const char *name,
+		struct rte_device *device,
+		struct rte_cryptodev_pmd_init_params *params);
+
+/**
+ * @internal
+ *
+ * PMD assist function to provide boiler plate code for crypto driver to
+ * destroy and free resources associated with a crypto PMD device instance.
+ *
+ * @param	cryptodev	crypto device handle.
+ *
+ * @return
+ *  - 0 on success
+ *  - errno on failure
+ */
+int
+rte_cryptodev_pmd_destroy(struct rte_cryptodev *cryptodev);
+
 /**
  * Executes all the user application registered callbacks for the specific
  * device.
@@ -405,6 +498,29 @@ void rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
 int
 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix);
 
+/**
+ * @internal
+ * Allocate Cryptodev driver.
+ *
+ * @param crypto_drv
+ *   Pointer to cryptodev_driver.
+ * @param drv
+ *   Pointer to rte_driver.
+ *
+ * @return
+ *  The driver type identifier
+ */
+uint8_t rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
+		const struct rte_driver *drv);
+
+
+#define RTE_PMD_REGISTER_CRYPTO_DRIVER(crypto_drv, drv, driver_id)\
+RTE_INIT(init_ ##driver_id);\
+static void init_ ##driver_id(void)\
+{\
+	driver_id = rte_cryptodev_allocate_driver(&crypto_drv, &(drv).driver);\
+}
+
 static inline void *
 get_session_private_data(const struct rte_cryptodev_sym_session *sess,
 		uint8_t driver_id) {