1 /* $OpenBSD: linux_ioctl.h,v 1.7 2002/03/14 01:26:50 millert Exp $ */ 2 /* $NetBSD: linux_ioctl.h,v 1.4 1996/04/05 00:01:36 christos Exp $ */ 3 4 /* 5 * Copyright (c) 1995 Frank van der Linden 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed for the NetBSD Project 19 * by Frank van der Linden 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #define _LINUX_IOC_NRBITS 8 36 #define _LINUX_IOC_TYPEBITS 8 37 #define _LINUX_IOC_SIZEBITS 14 38 #define _LINUX_IOC_DIRBITS 2 39 40 #define _LINUX_IOC_NRSHIFT 0 41 42 #define _LINUX_IOC_NONE 0U 43 #define _LINUX_IOC_WRITE 1U 44 #define _LINUX_IOC_READ 2U 45 46 #define _LINUX_IOC_NRMASK ((1 << _LINUX_IOC_NRBITS) - 1) 47 #define _LINUX_IOC_TYPEMASK ((1 << _LINUX_IOC_TYPEBITS) - 1) 48 #define _LINUX_IOC_SIZEMASK ((1 << _LINUX_IOC_SIZEBITS) - 1) 49 #define _LINUX_IOC_DIRMASK ((1 << _LINUX_IOC_DIRBITS) - 1) 50 51 #define _LINUX_IOC_TYPESHIFT (_LINUX_IOC_NRSHIFT + _LINUX_IOC_NRBITS) 52 #define _LINUX_IOC_SIZESHIFT (_LINUX_IOC_TYPESHIFT + _LINUX_IOC_TYPEBITS) 53 #define _LINUX_IOC_DIRSHIFT (_LINUX_IOC_SIZESHIFT + _LINUX_IOC_SIZEBITS) 54 55 #define _LINUX_IOC(dir,type,nr,size) \ 56 (((nr) << _LINUX_IOC_NRSHIFT) | \ 57 ((type) << _LINUX_IOC_TYPESHIFT) | \ 58 ((size) << _LINUX_IOC_SIZESHIFT) | \ 59 ((dir) << _LINUX_IOC_DIRSHIFT)) 60 61 #define _LINUX_IO(type,nr) \ 62 _LINUX_IOC(_LINUX_IOC_NONE,(type),(nr),0) 63 #define _LINUX_IOR(type,nr,size) \ 64 _LINUX_IOC(_LINUX_IOC_READ,(type),(nr),sizeof(size)) 65 #define _LINUX_IOW(type,nr,size) \ 66 _LINUX_IOC(_LINUX_IOC_WRITE,(type),(nr),sizeof(size)) 67 #define _LINUX_IOWR(type,nr,size) \ 68 _LINUX_IOC(_LINUX_IOC_READ|_LINUX_IOC_WRITE,(type),(nr),sizeof(size)) 69 70 #define _LINUX_IOC_DIR(nr) \ 71 (((nr) >> _LINUX_IOC_DIRSHIFT) & _LINUX_IOC_DIRMASK) 72 #define _LINUX_IOC_TYPE(nr) \ 73 (((nr) >> _LINUX_IOC_TYPESHIFT) & _LINUX_IOC_TYPEMASK) 74 #define _LINUX_IOC_NR(nr) \ 75 (((nr) >> _LINUX_IOC_NRSHIFT) & _LINUX_IOC_NRMASK) 76 #define _LINUX_IOC_SIZE(nr) \ 77 (((nr) >> _LINUX_IOC_SIZESHIFT) & _LINUX_IOC_SIZEMASK) 78 79 #define LINUX_IOCGROUP(x) _LINUX_IOC_TYPE(x) 80 81 struct linux_sys_ioctl_args; 82 int linux_ioctl_audio(struct proc *, struct linux_sys_ioctl_args *, 83 register_t *); 84 int linux_machdepioctl(struct proc *, void *, register_t *); 85 int linux_ioctl_termios(struct proc *, void *, register_t *); 86 int linux_ioctl_cdrom(struct proc *, void *, register_t *); 87 int linux_ioctl_socket(struct proc *, void *, register_t *); 88 int linux_ioctl_hdio(struct proc *, struct linux_sys_ioctl_args *, 89 register_t *); 90 int linux_ioctl_fdio(struct proc *, struct linux_sys_ioctl_args *, 91 register_t *); 92 int linux_ioctl_blkio(struct proc *, struct linux_sys_ioctl_args *, 93 register_t *); 94