_IOR
#define DS_VALIDATE_CIS _IOR ('d', 11, cisinfo_t)
#define DS_GET_FIRST_WINDOW _IOR ('d', 19, win_info_t)
#define DS_GET_CARD_SERVICES_INFO _IOR ('d', 1, servinfo_t)
#define MEMGETINFO _IOR('M', 1, region_info_t)
#define __SIOR _IOR
#define FW_IBUSRST _IOR('S', 1, unsigned int)
#define FW_GTPMAP _IOR('S', 5, struct fw_topology_map)
#define FW_GDEUI64 _IOR('S', 21, struct fw_eui64)
#if defined(linux) && defined(_IOR) && !defined(BLKGETSIZE64)
#define BLKGETSIZE64 _IOR(0x12,114,size_t) /* Get device size in bytes. */