usb: track altsetting in USBDevice

[qemu.git] / hw / usb.h

diff --git a/hw/usb.h b/hw/usb.h
index c6e1870e59acf70b0844e4495f68aa63a69320a6..1496f7694c4bfa576fbe005d2b207b4007e4be01 100644 (file)
--- 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;
@@ -188,7 +191,12 @@ struct USBDevice {
 
     QLIST_HEAD(, USBDescString) strings;
     const USBDescDevice *device;
+
+    int configuration;
+    int ninterfaces;
+    int altsetting[USB_MAX_INTERFACES];
     const USBDescConfig *config;
+    const USBDescIface  *ifaces[USB_MAX_INTERFACES];
 };
 
 struct USBDeviceInfo {
@@ -241,6 +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;