diff options
| -rw-r--r-- | hw/usb.c | 11 | ||||
| -rw-r--r-- | hw/usb.h | 2 |
2 files changed, 12 insertions, 1 deletions
diff --git a/hw/usb.c b/hw/usb.c index fc41d62438..800d912a27 100644 --- a/hw/usb.c +++ b/hw/usb.c @@ -323,7 +323,7 @@ int usb_handle_packet(USBDevice *dev, USBPacket *p) assert(p->state == USB_PACKET_SETUP); assert(p->ep != NULL); - if (QTAILQ_EMPTY(&p->ep->queue)) { + if (QTAILQ_EMPTY(&p->ep->queue) || p->ep->pipeline) { ret = usb_process_one(p); if (ret == USB_RET_ASYNC) { usb_packet_set_state(p, USB_PACKET_ASYNC); @@ -468,6 +468,7 @@ void usb_ep_init(USBDevice *dev) dev->ep_ctl.type = USB_ENDPOINT_XFER_CONTROL; dev->ep_ctl.ifnum = 0; dev->ep_ctl.dev = dev; + dev->ep_ctl.pipeline = false; QTAILQ_INIT(&dev->ep_ctl.queue); for (ep = 0; ep < USB_MAX_ENDPOINTS; ep++) { dev->ep_in[ep].nr = ep + 1; @@ -480,6 +481,8 @@ void usb_ep_init(USBDevice *dev) dev->ep_out[ep].ifnum = 0; dev->ep_in[ep].dev = dev; dev->ep_out[ep].dev = dev; + dev->ep_in[ep].pipeline = false; + dev->ep_out[ep].pipeline = false; QTAILQ_INIT(&dev->ep_in[ep].queue); QTAILQ_INIT(&dev->ep_out[ep].queue); } @@ -593,3 +596,9 @@ int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep) struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); return uep->max_packet_size; } + +void usb_ep_set_pipeline(USBDevice *dev, int pid, int ep, bool enabled) +{ + struct USBEndpoint *uep = usb_ep_get(dev, pid, ep); + uep->pipeline = enabled; +} diff --git a/hw/usb.h b/hw/usb.h index 1a30ebb8f1..f6df0ad0f8 100644 --- a/hw/usb.h +++ b/hw/usb.h @@ -177,6 +177,7 @@ struct USBEndpoint { uint8_t type; uint8_t ifnum; int max_packet_size; + bool pipeline; USBDevice *dev; QTAILQ_HEAD(, USBPacket) queue; }; @@ -364,6 +365,7 @@ void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum); void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep, uint16_t raw); int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep); +void usb_ep_set_pipeline(USBDevice *dev, int pid, int ep, bool enabled); void usb_attach(USBPort *port); void usb_detach(USBPort *port); |