usb: use USBDescriptor for interface descriptors.

Add interface descriptor substruct to USBDescriptor,
use it in the descriptor generator code.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/hw/usb/desc.h b/hw/usb/desc.h
index 298e050553..6f42eae8b9 100644
--- a/hw/usb/desc.h
+++ b/hw/usb/desc.h
@@ -45,6 +45,15 @@ typedef struct USBDescriptor {
             uint8_t           bmAttributes;
             uint8_t           bMaxPower;
         } config;
+        struct {
+            uint8_t           bInterfaceNumber;
+            uint8_t           bAlternateSetting;
+            uint8_t           bNumEndpoints;
+            uint8_t           bInterfaceClass;
+            uint8_t           bInterfaceSubClass;
+            uint8_t           bInterfaceProtocol;
+            uint8_t           iInterface;
+        } interface;
     } u;
 } QEMU_PACKED USBDescriptor;