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40 * RTE PMD Driver Registration Interface
42 * This file manages the list of device drivers.
49 #include <sys/queue.h>
51 /** Double linked list of device drivers. */
52 TAILQ_HEAD(rte_driver_list, rte_driver);
55 * Initialization function called for each device driver once.
57 typedef int (rte_dev_init_t)(const char *name, const char *args);
60 * Uninitilization function called for each device driver once.
62 typedef int (rte_dev_uninit_t)(const char *name);
65 * Driver type enumeration
73 * A structure describing a device driver.
76 TAILQ_ENTRY(rte_driver) next; /**< Next in list. */
77 enum pmd_type type; /**< PMD Driver type */
78 const char *name; /**< Driver name. */
79 rte_dev_init_t *init; /**< Device init. function. */
80 rte_dev_uninit_t *uninit; /**< Device uninit. function. */
84 * Register a device driver.
87 * A pointer to a rte_dev structure describing the driver
90 void rte_eal_driver_register(struct rte_driver *driver);
93 * Unregister a device driver.
96 * A pointer to a rte_dev structure describing the driver
99 void rte_eal_driver_unregister(struct rte_driver *driver);
102 * Initalize all the registered drivers in this process
104 int rte_eal_dev_init(void);
107 * Initialize a driver specified by name.
110 * The pointer to a driver name to be initialized.
112 * The pointer to arguments used by driver initialization.
114 * 0 on success, negative on error
116 int rte_eal_vdev_init(const char *name, const char *args);
119 * Uninitalize a driver specified by name.
122 * The pointer to a driver name to be initialized.
124 * 0 on success, negative on error
126 int rte_eal_vdev_uninit(const char *name);
128 #define PMD_REGISTER_DRIVER(d)\
129 void devinitfn_ ##d(void);\
130 void __attribute__((constructor, used)) devinitfn_ ##d(void)\
132 rte_eal_driver_register(&d);\
139 #endif /* _RTE_VDEV_H_ */