Searched refs:IOCPARM_MASK (Results 1 - 1 of 1) sorted by relevance

/darwin-on-arm/xnu/bsd/sys/
H A Dioccom.h74 #define IOCPARM_MASK 0x1fff /* parameter length, at most 13 bits */ macro
75 #define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
76 #define IOCBASECMD(x) ((x) & ~(IOCPARM_MASK << 16))
79 #define IOCPARM_MAX (IOCPARM_MASK + 1) /* max size of ioctl args */
92 (inout | ((len & IOCPARM_MASK) << 16) | ((group) << 8) | (num))

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