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38 #include <sys/queue.h>
41 #include <rte_devargs.h>
42 #include <rte_debug.h>
43 #include <rte_devargs.h>
46 #include "eal_private.h"
48 /** Global list of device drivers. */
49 static struct rte_driver_list dev_driver_list =
50 TAILQ_HEAD_INITIALIZER(dev_driver_list);
52 /* register a driver */
54 rte_eal_driver_register(struct rte_driver *driver)
56 TAILQ_INSERT_TAIL(&dev_driver_list, driver, next);
59 /* unregister a driver */
61 rte_eal_driver_unregister(struct rte_driver *driver)
63 TAILQ_REMOVE(&dev_driver_list, driver, next);
67 rte_eal_dev_init(void)
69 struct rte_devargs *devargs;
72 * Note that the dev_driver_list is populated here
73 * from calls made to rte_eal_driver_register from constructor functions
74 * embedded into PMD modules via the DRIVER_REGISTER_VDEV macro
77 /* call the init function for each virtual device */
78 TAILQ_FOREACH(devargs, &devargs_list, next) {
80 if (devargs->type != RTE_DEVTYPE_VIRTUAL)
83 if (rte_eal_vdev_init(devargs->virt.drv_name,
85 RTE_LOG(ERR, EAL, "failed to initialize %s device\n",
86 devargs->virt.drv_name);
94 int rte_eal_dev_attach(const char *name, const char *devargs)
96 struct rte_pci_addr addr;
98 if (name == NULL || devargs == NULL) {
99 RTE_LOG(ERR, EAL, "Invalid device or arguments provided\n");
103 if (eal_parse_pci_DomBDF(name, &addr) == 0) {
104 if (rte_eal_pci_probe_one(&addr) < 0)
108 if (rte_eal_vdev_init(name, devargs))
115 RTE_LOG(ERR, EAL, "Driver cannot attach the device (%s)\n", name);
119 int rte_eal_dev_detach(const char *name)
121 struct rte_pci_addr addr;
124 RTE_LOG(ERR, EAL, "Invalid device provided.\n");
128 if (eal_parse_pci_DomBDF(name, &addr) == 0) {
129 if (rte_eal_pci_detach(&addr) < 0)
132 if (rte_eal_vdev_uninit(name))
138 RTE_LOG(ERR, EAL, "Driver cannot detach the device (%s)\n", name);