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-rw-r--r--hw/usb.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/usb.h b/hw/usb.h
index 1ef53a102f..1496f7694c 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -161,6 +161,9 @@ struct USBDescString {
     QLIST_ENTRY(USBDescString) next;
 };
 
+#define USB_MAX_ENDPOINTS  15
+#define USB_MAX_INTERFACES 16
+
 /* definition of a USB device */
 struct USBDevice {
     DeviceState qdev;
@@ -191,7 +194,9 @@ struct USBDevice {
 
     int configuration;
     int ninterfaces;
+    int altsetting[USB_MAX_INTERFACES];
     const USBDescConfig *config;
+    const USBDescIface  *ifaces[USB_MAX_INTERFACES];
 };
 
 struct USBDeviceInfo {
@@ -244,6 +249,9 @@ struct USBDeviceInfo {
      */
     int (*handle_data)(USBDevice *dev, USBPacket *p);
 
+    void (*set_interface)(USBDevice *dev, int interface,
+                          int alt_old, int alt_new);
+
     const char *product_desc;
     const USBDesc *usb_desc;