Searched refs:IOCPARM_MASK (Results 1 – 1 of 1) sorted by relevance
41 #define IOCPARM_MASK 0x1fff /* parameter length, at most 13 bits */ macro43 #define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)44 #define IOCBASECMD(x) ((x) & ~(IOCPARM_MASK << 16))59 #define _IOC(inout,group,num,len) (inout | ((len & IOCPARM_MASK) << 16) | ((group) << 8) | (num))