void usb_packet_setup(USBPacket *p, int pid, USBEndpoint *ep)
{
assert(!usb_packet_is_inflight(p));
p->pid = pid;
p->ep = ep;
p->result = 0;
qemu_iovec_reset(&p->iov);
usb_packet_set_state(p, USB_PACKET_SETUP);
}
/* Cancel an active packet. The packed must have been deferred by
returning USB_RET_ASYNC from handle_packet, and not yet
completed. */
void usb_cancel_packet(USBPacket * p)
{
bool callback = (p->state == USB_PACKET_ASYNC);
assert(usb_packet_is_inflight(p));
usb_packet_set_state(p, USB_PACKET_CANCELED);
QTAILQ_REMOVE(&p->ep->queue, p, queue);
if (callback) {
usb_device_cancel_packet(p->ep->dev, p);
}
}
void usb_packet_setup(USBPacket *p, int pid, USBEndpoint *ep, uint64_t id)
{
assert(!usb_packet_is_inflight(p));
assert(p->iov.iov != NULL);
p->id = id;
p->pid = pid;
p->ep = ep;
p->result = 0;
p->parameter = 0;
qemu_iovec_reset(&p->iov);
usb_packet_set_state(p, USB_PACKET_SETUP);
}
void usb_packet_setup(USBPacket *p, int pid, USBEndpoint *ep, uint64_t id,
bool short_not_ok, bool int_req)
{
assert(!usb_packet_is_inflight(p));
assert(p->iov.iov != NULL);
p->id = id;
p->pid = pid;
p->ep = ep;
p->result = 0;
p->parameter = 0;
p->short_not_ok = short_not_ok;
p->int_req = int_req;
p->combined = NULL;
qemu_iovec_reset(&p->iov);
usb_packet_set_state(p, USB_PACKET_SETUP);
}
void usb_packet_cleanup(USBPacket *p)
{
assert(!usb_packet_is_inflight(p));
qemu_iovec_destroy(&p->iov);
}