arch/arm/include/asm/xen/interface.h
arch/arm64/include/asm/xen/interface.h
arch/x86/include/asm/xen/interface.h
include/linux/greybus/interface.h
include/linux/ulpi/interface.h
include/xen/arm/interface.h
sound/aoa/soundbus/i2sbus/interface.h