10Sstevel@tonic-gate /* 2*722Smuffin * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 30Sstevel@tonic-gate * Use is subject to license terms. 40Sstevel@tonic-gate */ 50Sstevel@tonic-gate 60Sstevel@tonic-gate /* 70Sstevel@tonic-gate * Copyright (c) 1982, 1986 Regents of the University of California. 80Sstevel@tonic-gate * All rights reserved. The Berkeley software License Agreement 90Sstevel@tonic-gate * specifies the terms and conditions for redistribution. 100Sstevel@tonic-gate */ 110Sstevel@tonic-gate 120Sstevel@tonic-gate #ifndef __sys_ioccom_h 130Sstevel@tonic-gate #define __sys_ioccom_h 140Sstevel@tonic-gate 15*722Smuffin #pragma ident "%Z%%M% %I% %E% SMI" 16*722Smuffin 170Sstevel@tonic-gate /* 180Sstevel@tonic-gate * Ioctl's have the command encoded in the lower word, 190Sstevel@tonic-gate * and the size of any in or out parameters in the upper 200Sstevel@tonic-gate * word. The high 2 bits of the upper word are used 210Sstevel@tonic-gate * to encode the in/out status of the parameter; for now 220Sstevel@tonic-gate * we restrict parameters to at most 255 bytes. 230Sstevel@tonic-gate */ 240Sstevel@tonic-gate #define _IOCPARM_MASK 0xff /* parameters must be < 256 bytes */ 250Sstevel@tonic-gate #define _IOC_VOID 0x20000000 /* no parameters */ 260Sstevel@tonic-gate #define _IOC_OUT 0x40000000 /* copy out parameters */ 270Sstevel@tonic-gate #define _IOC_IN 0x80000000 /* copy in parameters */ 280Sstevel@tonic-gate #define _IOC_INOUT (_IOC_IN|_IOC_OUT) 29*722Smuffin 300Sstevel@tonic-gate /* the 0x20000000 is so we can distinguish new ioctl's from old */ 31*722Smuffin #define _IO(x,y) (_IOC_VOID|(x<<8)|y) 32*722Smuffin #define _IOR(x,y,t) (_IOC_OUT|((sizeof(t)&_IOCPARM_MASK)<<16)|(x<<8)|y) 33*722Smuffin #define _IORN(x,y,t) (_IOC_OUT|(((t)&_IOCPARM_MASK)<<16)|(x<<8)|y) 34*722Smuffin #define _IOW(x,y,t) (_IOC_IN|((sizeof(t)&_IOCPARM_MASK)<<16)|(x<<8)|y) 35*722Smuffin #define _IOWN(x,y,t) (_IOC_IN|(((t)&_IOCPARM_MASK)<<16)|(x<<8)|y) 360Sstevel@tonic-gate /* this should be _IORW, but stdio got there first */ 37*722Smuffin #define _IOWR(x,y,t) (_IOC_INOUT|((sizeof(t)&_IOCPARM_MASK)<<16)|(x<<8)|y) 38*722Smuffin #define _IOWRN(x,y,t) (_IOC_INOUT|(((t)&_IOCPARM_MASK)<<16)|(x<<8)|y) 390Sstevel@tonic-gate 400Sstevel@tonic-gate /* 410Sstevel@tonic-gate * Registry of ioctl characters, culled from system sources 420Sstevel@tonic-gate * 430Sstevel@tonic-gate * char file where defined notes 440Sstevel@tonic-gate * ---- ------------------ ----- 450Sstevel@tonic-gate * F sun/fbio.h 460Sstevel@tonic-gate * G sun/gpio.h 470Sstevel@tonic-gate * H vaxif/if_hy.h 480Sstevel@tonic-gate * M sundev/mcpcmd.h *overlap* 490Sstevel@tonic-gate * M sys/modem.h *overlap* 500Sstevel@tonic-gate * S sys/stropts.h 510Sstevel@tonic-gate * T sys/termio.h -no overlap- 520Sstevel@tonic-gate * T sys/termios.h -no overlap- 530Sstevel@tonic-gate * V sundev/mdreg.h 540Sstevel@tonic-gate * a vaxuba/adreg.h 550Sstevel@tonic-gate * d sun/dkio.h -no overlap with sys/des.h- 560Sstevel@tonic-gate * d sys/des.h (possible overlap) 570Sstevel@tonic-gate * d vax/dkio.h (possible overlap) 580Sstevel@tonic-gate * d vaxuba/rxreg.h (possible overlap) 590Sstevel@tonic-gate * f sys/filio.h 600Sstevel@tonic-gate * g sunwindow/win_ioctl.h -no overlap- 610Sstevel@tonic-gate * g sunwindowdev/winioctl.c !no manifest constant! -no overlap- 620Sstevel@tonic-gate * h sundev/hrc_common.h 630Sstevel@tonic-gate * i sys/sockio.h *overlap* 640Sstevel@tonic-gate * i vaxuba/ikreg.h *overlap* 650Sstevel@tonic-gate * k sundev/kbio.h 660Sstevel@tonic-gate * m sundev/msio.h (possible overlap) 670Sstevel@tonic-gate * m sundev/msreg.h (possible overlap) 680Sstevel@tonic-gate * m sys/mtio.h (possible overlap) 690Sstevel@tonic-gate * n sun/ndio.h 700Sstevel@tonic-gate * p net/nit_buf.h (possible overlap) 710Sstevel@tonic-gate * p net/nit_if.h (possible overlap) 720Sstevel@tonic-gate * p net/nit_pf.h (possible overlap) 730Sstevel@tonic-gate * p sundev/fpareg.h (possible overlap) 740Sstevel@tonic-gate * p sys/sockio.h (possible overlap) 750Sstevel@tonic-gate * p vaxuba/psreg.h (possible overlap) 760Sstevel@tonic-gate * q sun/sqz.h 770Sstevel@tonic-gate * r sys/sockio.h 780Sstevel@tonic-gate * s sys/sockio.h 790Sstevel@tonic-gate * t sys/ttold.h (possible overlap) 800Sstevel@tonic-gate * t sys/ttycom.h (possible overlap) 810Sstevel@tonic-gate * v sundev/vuid_event.h *overlap* 820Sstevel@tonic-gate * v sys/vcmd.h *overlap* 830Sstevel@tonic-gate * 840Sstevel@tonic-gate * End of Registry 850Sstevel@tonic-gate */ 860Sstevel@tonic-gate 870Sstevel@tonic-gate #endif /* !__sys_ioccom_h */ 88