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usb: Add USB_RET_ADD_TO_QUEUE packet result code

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This can be used by usb-device code which wishes to process an entire endpoint
queue at once, to do this the usb-device code returns USB_RET_ADD_TO_QUEUE
from its handle_data class method and defines a flush_ep_queue class method
to call when the hcd is done queuing up packets.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Hans de Goede 2012-10-24 18:14:07 +02:00 • committed by Gerd Hoffmann
parent d0ff81b871
commit 36dfe324fd
8 changed files with 51 additions and 11 deletions
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8
hw/usb/bus.c
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@ -181,6 +181,14 @@ void usb_device_set_interface(USBDevice *dev, int interface,
}
}
void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep)
{
USBDeviceClass *klass = USB_DEVICE_GET_CLASS(dev);
if (klass->flush_ep_queue) {
klass->flush_ep_queue(dev, ep);
}
}
static int usb_qdev_init(DeviceState *qdev)
{
USBDevice *dev = USB_DEVICE(qdev);