@@ -220,6 +220,26 @@ static void usb_hub_complete(USBPort *port, USBPacket *packet)
s->dev.port->ops->complete(s->dev.port, packet);
}
+static USBDevice *usb_hub_find_device(USBDevice *dev, uint8_t addr)
+{
+ USBHubState *s = DO_UPCAST(USBHubState, dev, dev);
+ USBHubPort *port;
+ USBDevice *downstream;
+ int i;
+
+ for (i = 0; i < NUM_PORTS; i++) {
+ port = &s->ports[i];
+ if (!(port->wPortStatus & PORT_STAT_ENABLE)) {
+ continue;
+ }
+ downstream = usb_find_device(&port->port, addr);
+ if (downstream != NULL) {
+ return downstream;
+ }
+ }
+ return NULL;
+}
+
static void usb_hub_handle_reset(USBDevice *dev)
{
USBHubState *s = DO_UPCAST(USBHubState, dev, dev);
@@ -541,6 +561,7 @@ static struct USBDeviceInfo hub_info = {
.qdev.vmsd = &vmstate_usb_hub,
.usb_desc = &desc_hub,
.init = usb_hub_initfn,
+ .find_device = usb_hub_find_device,
.handle_packet = usb_hub_handle_packet,
.handle_reset = usb_hub_handle_reset,
.handle_control = usb_hub_handle_control,
Implement the find_device callback for the usb hub. It'll loop over all ports, calling usb_find_device for all enabled ports until it finds a matching device. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> --- hw/usb-hub.c | 21 +++++++++++++++++++++ 1 files changed, 21 insertions(+), 0 deletions(-)