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#include "hw.h"
#include "usb.h"
#include "qdev.h"
static struct BusInfo usb_bus_info = {
.name = "USB",
.size = sizeof(USBBus),
};
static int next_usb_bus = 0;
static TAILQ_HEAD(, USBBus) busses = TAILQ_HEAD_INITIALIZER(busses);
USBBus *usb_bus_new(DeviceState *host)
{
USBBus *bus;
bus = FROM_QBUS(USBBus, qbus_create(&usb_bus_info, host, NULL));
bus->busnr = next_usb_bus++;
TAILQ_INIT(&bus->free);
TAILQ_INIT(&bus->used);
TAILQ_INSERT_TAIL(&busses, bus, next);
return bus;
}
USBBus *usb_bus_find(int busnr)
{
USBBus *bus;
if (-1 == busnr)
return TAILQ_FIRST(&busses);
TAILQ_FOREACH(bus, &busses, next) {
if (bus->busnr == busnr)
return bus;
}
return NULL;
}
static int usb_qdev_init(DeviceState *qdev, DeviceInfo *base)
{
USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
USBDeviceInfo *info = DO_UPCAST(USBDeviceInfo, qdev, base);
int rc;
pstrcpy(dev->devname, sizeof(dev->devname), qdev->info->name);
dev->info = info;
rc = dev->info->init(dev);
return rc;
}
void usb_qdev_register(USBDeviceInfo *info)
{
info->qdev.bus_info = &usb_bus_info;
info->qdev.init = usb_qdev_init;
qdev_register(&info->qdev);
}
void usb_qdev_register_many(USBDeviceInfo *info)
{
while (info->qdev.name) {
usb_qdev_register(info);
info++;
}
}
USBDevice *usb_create_simple(USBBus *bus, const char *name)
{
DeviceState *dev;
#if 1
/* temporary stopgap until all usb is properly qdev-ified */
if (!bus) {
bus = usb_bus_find(-1);
if (!bus)
return NULL;
fprintf(stderr, "%s: no bus specified, using \"%s\" for \"%s\"\n",
__FUNCTION__, bus->qbus.name, name);
}
#endif
dev = qdev_create(&bus->qbus, name);
qdev_init(dev);
return DO_UPCAST(USBDevice, qdev, dev);
}
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