VBG_IOCTL_HGCM_CALL_32 1553 drivers/virt/vboxguest/vboxguest_core.c case VBG_IOCTL_HGCM_CALL_32(0): VBG_IOCTL_HGCM_CALL_32 181 include/uapi/linux/vboxguest.h #define VBG_IOCTL_HGCM_CALL(s) VBG_IOCTL_HGCM_CALL_32(s)