c:\winddk\7600.16385.1\inc\api\usbiodef.h
/* f18a0e88-c30c-11d0-8815-00a0c906bed8 */
DEFINE_GUID(GUID_DEVINTERFACE_USB_HUB, 0xF18A0E88, \
0xC30C, 0x11D0, 0x88, 0x15, 0x00, 0xA0, 0xC9, 0x06, 0xBE, 0xD8);
/* a5dcbf10-6530-11d2-901f-00c04fb951ed */
DEFINE_GUID(GUID_DEVINTERFACE_USB_DEVICE, 0xA5DCBF10L, \
0x6530, 0x11D2, 0x90, 0x1F, 0x00, 0xC0, 0x4F, 0xB9, 0x51, 0xED);
/* 3abf6f2d-71c4-462a-8a92-1e6861e6af27 */
DEFINE_GUID(GUID_DEVINTERFACE_USB_HOST_CONTROLLER, 0x3ABF6F2D, \
0x71C4, 0x462A, 0x8A, 0x92, 0x1E, 0x68, 0x61, 0xE6, 0xAF, 0x27);
c:\winddk\7600.16385.1\inc\api\devguid.h
DEFINE_GUID( GUID_DEVCLASS_USB, 0x36FC9E60L, \
0xC465, 0x11CF, 0x80, 0x56, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00 );