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Annotation of coherent/c/usr/include/sys/io.h, revision 1.1

1.1     ! root        1: /* (-lgl
        !             2:  *     COHERENT Version 3.0
        !             3:  *     Copyright 1989 by Inetco Systems, Ltd.
        !             4:  *     All rights reserved. May not be copied without permission.
        !             5:  -lgl) */
        !             6: /*
        !             7:  * I/O template.
        !             8:  */
        !             9: 
        !            10: #ifndef         IO_H
        !            11: #define         IO_H   IO_H
        !            12: 
        !            13: #include <sys/types.h>
        !            14: 
        !            15: /*
        !            16:  * Structure used to store parameters for I/O.
        !            17:  */
        !            18: typedef struct io {
        !            19:        int      io_seg;                /* Space */
        !            20:        unsigned io_ioc;                /* Count */
        !            21:        fsize_t  io_seek;               /* Seek posiion */
        !            22:        char     *io_base;              /* Virtual base */
        !            23:        paddr_t  io_phys;               /* Physical base */
        !            24:        short    io_flag;               /* Flags: 0, IONDLY */
        !            25: } IO;
        !            26: 
        !            27: /*
        !            28:  * Types of space I/O operation is being performed from.
        !            29:  */
        !            30: #define IOSYS  0                       /* System */
        !            31: #define IOUSR  1                       /* User */
        !            32: #define IOPHY  2                       /* Physical */
        !            33: 
        !            34: /*
        !            35:  * No delay if results are not immediately available.
        !            36:  */
        !            37: #define        IONDLY  8
        !            38: 
        !            39: #endif

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