diff mbox

[PULL,3/9] usb: accept usb3 control requests

Message ID 1486380501-13431-4-git-send-email-kraxel@redhat.com
State New
Headers show

Commit Message

Gerd Hoffmann Feb. 6, 2017, 11:28 a.m. UTC 
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
---
 hw/usb/desc.c    | 7 +++++++
 include/hw/usb.h | 2 ++
 2 files changed, 9 insertions(+)
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Patch

diff --git a/hw/usb/desc.c b/hw/usb/desc.c
index 7828e52..c36bf30 100644
--- 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 43838c9..c42b29c 100644
--- 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