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Annotation of sys/compat/bsdos/bsdos_ioctl.h, Revision 1.1.1.1

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 */