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/* $OpenBSD: bsdos_ioctl.h,v 1.3 2003/06/17 21:56:25 millert Exp $ */
/*
* Copyright (c) 1999 Todd C. Miller <Todd.Miller@courtesan.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#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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