/* $NetBSD: linux_ioctl.h,v 1.30 2024/10/01 16:41:29 riastradh Exp $ */

/* $NetBSD: linux_ioctl.h,v 1.30 2024/10/01 16:41:29 riastradh 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.
*
* 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(struct lwp *, const struct linux_sys_ioctl_args *, register_t *);
int linux_ioctl_cdrom(struct lwp *, const struct linux_sys_ioctl_args *,
register_t *);
int linux_ioctl_termios(struct lwp *, const struct linux_sys_ioctl_args *,
register_t *);
int linux_ioctl_timerfd(struct lwp *, const struct linux_sys_ioctl_args *,
register_t *);
int linux_ioctl_socket(struct lwp *, const struct linux_sys_ioctl_args *,
register_t *);
int linux_ioctl_hdio(struct lwp *, const struct linux_sys_ioctl_args *,
register_t *);
int linux_ioctl_fdio(struct lwp *, const struct linux_sys_ioctl_args *uap,
register_t *retval);
int linux_ioctl_blkio(struct lwp *, const struct linux_sys_ioctl_args *uap,
register_t *retval);
int linux_ioctl_sg(struct lwp *, const struct linux_sys_ioctl_args *uap,
register_t *retval);
int linux_ioctl_mtio(struct lwp *, const 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(__aarch64__)
#include <compat/linux/arch/arm/linux_ioctl.h>
#elif defined(__arm__)
#include <compat/linux/arch/arm/linux_ioctl.h>
#elif defined(__amd64__)
#include <compat/linux/arch/amd64/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_SIZEMASK ((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 */