FreeBSD/Linux Kernel Cross Reference
sys/compat/linux/common/linux_ioctl.h

     /*      $NetBSD: linux_ioctl.h,v 1.18 2003/06/29 22:29:30 fvdl Exp $    */
     
     /*-
      * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Frank van der Linden and Eric Haszlakiewicz.
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the NetBSD
     *      Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    #ifndef _LINUX_IOCTL_H
    #define _LINUX_IOCTL_H
    
    struct linux_sys_ioctl_args;
    
    #ifdef _KERNEL
    __BEGIN_DECLS
    int linux_machdepioctl __P((struct proc *, void *, register_t *));
    int linux_ioctl_cdrom __P((struct proc *, struct linux_sys_ioctl_args *,
        register_t *));
    int linux_ioctl_termios __P((struct proc *, struct linux_sys_ioctl_args *,
        register_t *));
    int linux_ioctl_socket __P((struct proc *, struct linux_sys_ioctl_args *,
        register_t *));
    int linux_ioctl_hdio __P((struct proc *, struct linux_sys_ioctl_args *,
        register_t *));
    int linux_ioctl_fdio __P((struct proc *p, struct linux_sys_ioctl_args *uap, 
                     register_t *retval));
    int linux_ioctl_blkio __P((struct proc *p, struct linux_sys_ioctl_args *uap, 
                     register_t *retval));
    __END_DECLS
    #endif  /* !_KERNEL */
    
    #if defined(__i386__)
    #include <compat/linux/arch/i386/linux_ioctl.h>
    #elif defined(__m68k__)
    #include <compat/linux/arch/m68k/linux_ioctl.h>
    #elif defined(__alpha__)
    #include <compat/linux/arch/alpha/linux_ioctl.h>
    #elif defined(__powerpc__)
    #include <compat/linux/arch/powerpc/linux_ioctl.h>
    #elif defined(__mips__)
    #include <compat/linux/arch/mips/linux_ioctl.h>
    #elif defined(__arm__)
    #include <compat/linux/arch/arm/linux_ioctl.h>
    #else
    #error Undefined linux_ioctl.h machine type.
    #endif
    
    #define _LINUX_IOC_NRMASK       ((1 << _LINUX_IOC_NRBITS) - 1)
    #define _LINUX_IOC_TYPEMASK     ((1 << _LINUX_IOC_TYPEBITS) - 1)
    #define _LINUX_IOC_SIZEMAEK     ((1 << _LINUX_IOC_SIZEBITS) - 1)
    #define _LINUX_IOC_DIRMASK      ((1 << _LINUX_IOC_DIRBITS) - 1)
    
    #define _LINUX_IOC_TYPESHIFT    (_LINUX_IOC_NRSHIFT + _LINUX_IOC_NRBITS)
    #define _LINUX_IOC_SIZESHIFT    (_LINUX_IOC_TYPESHIFT + _LINUX_IOC_TYPEBITS)
    #define _LINUX_IOC_DIRSHIFT     (_LINUX_IOC_SIZESHIFT + _LINUX_IOC_SIZEBITS)
    
    #define _LINUX_IOC(dir,type,nr,size)            \
            (((nr)   << _LINUX_IOC_NRSHIFT) |       \
             ((type) << _LINUX_IOC_TYPESHIFT) |     \
             ((size) << _LINUX_IOC_SIZESHIFT) |     \
             ((dir)  << _LINUX_IOC_DIRSHIFT))
    
    #define _LINUX_IO(type,nr)              \
            _LINUX_IOC(_LINUX_IOC_NONE,(type),(nr),0)
    #define _LINUX_IOR(type,nr,size)        \
            _LINUX_IOC(_LINUX_IOC_READ,(type),(nr),sizeof(size))
    #define _LINUX_IOW(type,nr,size)        \
            _LINUX_IOC(_LINUX_IOC_WRITE,(type),(nr),sizeof(size))
    #define _LINUX_IOWR(type,nr,size)       \
           _LINUX_IOC(_LINUX_IOC_READ|_LINUX_IOC_WRITE,(type),(nr),sizeof(size))
   
   #define _LINUX_IOC_DIR(nr)      \
           (((nr) >> _LINUX_IOC_DIRSHIFT) & _LINUX_IOC_DIRMASK)
   #define _LINUX_IOC_TYPE(nr)     \
           (((nr) >> _LINUX_IOC_TYPESHIFT) & _LINUX_IOC_TYPEMASK)
   #define _LINUX_IOC_NR(nr)       \
           (((nr) >> _LINUX_IOC_NRSHIFT) & _LINUX_IOC_NRMASK)
   #define _LINUX_IOC_SIZE(nr)     \
           (((nr) >> _LINUX_IOC_SIZESHIFT) & _LINUX_IOC_SIZEMASK)
   
   #define LINUX_IOCGROUP(x)       _LINUX_IOC_TYPE(x)
   
   #endif /* !_LINUX_IOCTL_H */

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