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/* $OpenBSD: bsdos_ioctl.h,v 1.1 1999/11/13 22:13:00 millert Exp $ */
/*
* Copyright (c) 1999 Todd C. Miller <Todd.Miller@courtesan.com>
* All rights reserved.
*
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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 _BSDOS_IOCTL_H
#define _BSDOS_IOCTL_H
struct bsdos_audio_buf_info {
int fragments;
int fragsize;
int bytes;
};
#define BSDOS_IOCPARM_MASK 0x1fff
#define BSDOS_IOCGROUP(x) (((x) >> 8) & 0xff)
#define BSDOS_IOC_VOID (unsigned long)0x20000000
#define BSDOS_IOC_OUT (unsigned long)0x40000000
#define BSDOS_IOC_IN (unsigned long)0x80000000
#define BSDOS_IOC_INOUT (BSDOS_IOC_IN|BSDOS_IOC_OUT)
#define BSDOS_IOC_DIRMASK (unsigned long)0xe0000000
#define _BSDOS_IOC(inout,group,num,len) \
(inout | ((len & BSDOS_IOCPARM_MASK) << 16) | ((group) << 8) | (num))
#define _BSDOS_IOR(g,n,t) _BSDOS_IOC(BSDOS_IOC_OUT, (g), (n), sizeof(t))
#define BSDOS_SNDCTL_DSP_GETOSPACE _BSDOS_IOR('P', 12, struct bsdos_audio_buf_info)
#define BSDOS_SNDCTL_DSP_GETISPACE _BSDOS_IOR('P', 13, struct bsdos_audio_buf_info)
#endif /* _BSDOS_IOCTL_H */
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