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Annotation of sys/compat/bsdos/bsdos_ioctl.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: bsdos_ioctl.h,v 1.3 2003/06/17 21:56:25 millert Exp $ */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 1999 Todd C. Miller <Todd.Miller@courtesan.com>
        !             5:  *
        !             6:  * Permission to use, copy, modify, and distribute this software for any
        !             7:  * purpose with or without fee is hereby granted, provided that the above
        !             8:  * copyright notice and this permission notice appear in all copies.
        !             9:  *
        !            10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
        !            11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
        !            13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
        !            15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
        !            16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            17:  */
        !            18:
        !            19: #ifndef _BSDOS_IOCTL_H
        !            20: #define _BSDOS_IOCTL_H
        !            21:
        !            22: struct bsdos_audio_buf_info {
        !            23:        int fragments;
        !            24:        int fragsize;
        !            25:        int bytes;
        !            26: };
        !            27:
        !            28: #define BSDOS_IOCPARM_MASK     0x1fff
        !            29: #define        BSDOS_IOCGROUP(x)       (((x) >> 8) & 0xff)
        !            30:
        !            31: #define BSDOS_IOC_VOID         (unsigned long)0x20000000
        !            32: #define BSDOS_IOC_OUT          (unsigned long)0x40000000
        !            33: #define BSDOS_IOC_IN           (unsigned long)0x80000000
        !            34: #define BSDOS_IOC_INOUT                (BSDOS_IOC_IN|BSDOS_IOC_OUT)
        !            35: #define BSDOS_IOC_DIRMASK      (unsigned long)0xe0000000
        !            36:
        !            37: #define _BSDOS_IOC(inout,group,num,len) \
        !            38:        (inout | ((len & BSDOS_IOCPARM_MASK) << 16) | ((group) << 8) | (num))
        !            39: #define _BSDOS_IOR(g,n,t)              _BSDOS_IOC(BSDOS_IOC_OUT, (g), (n), sizeof(t))
        !            40:
        !            41: #define BSDOS_SNDCTL_DSP_GETOSPACE     _BSDOS_IOR('P', 12, struct bsdos_audio_buf_info)
        !            42: #define BSDOS_SNDCTL_DSP_GETISPACE     _BSDOS_IOR('P', 13, struct bsdos_audio_buf_info)
        !            43:
        !            44: #endif /* _BSDOS_IOCTL_H */