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37 #include <sys/queue.h>
40 #include <rte_devargs.h>
41 #include <rte_debug.h>
42 #include <rte_devargs.h>
44 #include "eal_private.h"
46 /** Global list of device drivers. */
47 static struct rte_driver_list dev_driver_list =
48 TAILQ_HEAD_INITIALIZER(dev_driver_list);
50 /* register a driver */
52 rte_eal_driver_register(struct rte_driver *driver)
54 TAILQ_INSERT_TAIL(&dev_driver_list, driver, next);
57 /* unregister a driver */
59 rte_eal_driver_unregister(struct rte_driver *driver)
61 TAILQ_REMOVE(&dev_driver_list, driver, next);
65 rte_eal_dev_init(void)
67 struct rte_devargs *devargs;
68 struct rte_driver *driver;
71 * Note that the dev_driver_list is populated here
72 * from calls made to rte_eal_driver_register from constructor functions
73 * embedded into PMD modules via the PMD_REGISTER_DRIVER macro
76 /* call the init function for each virtual device */
77 TAILQ_FOREACH(devargs, &devargs_list, next) {
79 if (devargs->type != RTE_DEVTYPE_VIRTUAL)
82 TAILQ_FOREACH(driver, &dev_driver_list, next) {
83 if (driver->type != PMD_VDEV)
86 /* search a driver prefix in virtual device name */
87 if (!strncmp(driver->name, devargs->virtual.drv_name,
88 strlen(driver->name))) {
89 driver->init(devargs->virtual.drv_name,
96 rte_panic("no driver found for %s\n",
97 devargs->virtual.drv_name);
101 /* Once the vdevs are initalized, start calling all the pdev drivers */
102 TAILQ_FOREACH(driver, &dev_driver_list, next) {
103 if (driver->type != PMD_PDEV)
105 /* PDEV drivers don't get passed any parameters */
106 driver->init(NULL, NULL);