WMI_IOC           849 drivers/platform/x86/wmi.c 	if (_IOC_TYPE(cmd) != WMI_IOC)
WMI_IOC            68 include/uapi/linux/wmi.h #define DELL_WMI_SMBIOS_CMD	_IOWR(WMI_IOC, 0, struct dell_wmi_smbios_buffer)