Revision cdedd006 hw/usb-bus.c
| b/hw/usb-bus.c | ||
|---|---|---|
| 5 | 5 |
#include "monitor.h" |
| 6 | 6 |
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static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent); |
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static char *usbbus_get_fw_dev_path(DeviceState *dev); |
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| 8 | 9 |
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| 9 | 10 |
static struct BusInfo usb_bus_info = {
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| 10 | 11 |
.name = "USB", |
| 11 | 12 |
.size = sizeof(USBBus), |
| 12 | 13 |
.print_dev = usb_bus_dev_print, |
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.get_fw_dev_path = usbbus_get_fw_dev_path, |
|
| 13 | 15 |
}; |
| 14 | 16 |
static int next_usb_bus = 0; |
| 15 | 17 |
static QTAILQ_HEAD(, USBBus) busses = QTAILQ_HEAD_INITIALIZER(busses); |
| ... | ... | |
| 307 | 309 |
} |
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return usb->usbdevice_init(params); |
| 309 | 311 |
} |
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static int usbbus_get_fw_dev_path_helper(USBDevice *d, USBBus *bus, char *p, |
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int len) |
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{
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int l = 0; |
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USBPort *port; |
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QTAILQ_FOREACH(port, &bus->used, next) {
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if (port->dev == d) {
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if (port->pdev) {
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l = usbbus_get_fw_dev_path_helper(port->pdev, bus, p, len); |
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} |
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l += snprintf(p + l, len - l, "%s@%x/", qdev_fw_name(&d->qdev), |
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port->index); |
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break; |
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} |
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} |
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return l; |
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} |
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static char *usbbus_get_fw_dev_path(DeviceState *dev) |
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{
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USBDevice *d = (USBDevice*)dev; |
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USBBus *bus = usb_bus_from_device(d); |
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char path[100]; |
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int l; |
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assert(d->attached != 0); |
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l = usbbus_get_fw_dev_path_helper(d, bus, path, sizeof(path)); |
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if (l == 0) {
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abort(); |
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} |
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path[l-1] = '\0'; |
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return strdup(path); |
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} |
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