compat/freebsd_network/device.c

10 #include "device.h"
37 init_device(device_t device, driver_t *driver)
39 	list_init_etc(&device->children, offsetof(struct device, link));
40 	device->unit = sNextUnit++;
42 	if (driver != NULL && device_set_driver(device, driver) < 0)
45 	return device;
52 	device_t dev = malloc(sizeof(struct device));
56 	memset(dev, 0, sizeof(struct device));
354 device_is_alive(device_t device)
356 	return (device->flags & DEVICE_ATTACHED) != 0;
400 			list_init_etc(&sRootDevices, offsetof(struct device, link));
431 	// the children, and will then detach the device.
445 	// detach device
455 	// delete device
469 device_is_attached(device_t device)
471 	return (device->flags & DEVICE_ATTACHED) != 0;
476 device_attach(device_t device)
480 	if (device->driver == NULL
481 		|| device->methods.attach == NULL)
484 	result = device->methods.attach(device);
487 		atomic_or(&device->flags, DEVICE_ATTACHED);
490 		result = start_wlan(device);
497 device_detach(device_t device)
499 	if (device->driver == NULL)
502 	if ((atomic_and(&device->flags, ~DEVICE_ATTACHED) & DEVICE_ATTACHED) != 0
503 			&& device->methods.detach != NULL) {
506 			result = stop_wlan(device);
508 			atomic_or(&device->flags, DEVICE_ATTACHED);
512 		result = device->methods.detach(device);
514 			atomic_or(&device->flags, DEVICE_ATTACHED);
553 bus_generic_detach(device_t device)
557 	if ((device->flags & DEVICE_ATTACHED) == 0)
561 		child = list_get_next_item(&device->children, child);
578 	device_t device = NULL;
580 	while ((device = list_get_next_item(&sRootDevices, device)) != NULL) {
581 		if (device->unit <= unit)
582 			return device;