usb: accept usb3 control requests

Windows 10 reportedly sends these, so accept them in case
the device in question is a superspeed (usb3) device.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1485870727-21956-2-git-send-email-kraxel@redhat.com

diff --git a/hw/usb/desc.c b/hw/usb/desc.c
index 7828e52c6f28d9a3eaf45179ec6774b8efd52fca..c36bf30e4f3b69ffde89fe56b07e23098333fa87 100644 (file)
--- a/hw/usb/desc.c
+++ b/hw/usb/desc.c
@@ -774,6 +774,13 @@ int usb_desc_handle_control(USBDevice *dev, USBPacket *p,
         trace_usb_set_device_feature(dev->addr, value, ret);
         break;
 
+    case DeviceOutRequest | USB_REQ_SET_SEL:
+    case DeviceOutRequest | USB_REQ_SET_ISOCH_DELAY:
+        if (dev->speed == USB_SPEED_SUPER) {
+            ret = 0;
+        }
+        break;
+
     case InterfaceRequest | USB_REQ_GET_INTERFACE:
         if (index < 0 || index >= dev->ninterfaces) {
             break;

diff --git a/include/hw/usb.h b/include/hw/usb.h
index 43838c9f5dd3b7f8e47167a1ba0bb81d9761cfed..c42b29c866f4db1339ab93ee50217fd4405cfc59 100644 (file)
--- a/include/hw/usb.h
+++ b/include/hw/usb.h
@@ -135,6 +135,8 @@
 #define USB_REQ_GET_INTERFACE          0x0A
 #define USB_REQ_SET_INTERFACE          0x0B
 #define USB_REQ_SYNCH_FRAME            0x0C
+#define USB_REQ_SET_SEL                 0x30
+#define USB_REQ_SET_ISOCH_DELAY         0x31
 
 #define USB_DEVICE_SELF_POWERED                0
 #define USB_DEVICE_REMOTE_WAKEUP       1