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Annotation of 43BSDReno/sys/vaxif/if_dmv.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1988 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution is only permitted until one year after the first shipment
        !             6:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
        !             7:  * binary forms are permitted provided that: (1) source distributions retain
        !             8:  * this entire copyright notice and comment, and (2) distributions including
        !             9:  * binaries display the following acknowledgement:  This product includes
        !            10:  * software developed by the University of California, Berkeley and its
        !            11:  * contributors'' in the documentation or other materials provided with the
        !            12:  * distribution and in all advertising materials mentioning features or use
        !            13:  * of this software.  Neither the name of the University nor the names of
        !            14:  * its contributors may be used to endorse or promote products derived from
        !            15:  * this software without specific prior written permission.
        !            16:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            17:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            18:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            19:  *
        !            20:  *     @(#)if_dmv.h    7.4 (Berkeley) 6/28/90
        !            21:  */
        !            22: 
        !            23: /*
        !            24:  * DMV-11 Driver
        !            25:  *
        !            26:  * Qbus Sync DDCMP interface - DMV operated in full duplex, point to point mode
        !            27:  *
        !            28:  * Written by Bob Kridle of Mt Xinu
        !            29:  * starting from if_dmc.h version 6.4 dated 6/8/85 
        !            30:  */
        !            31: 
        !            32: struct dmvdevice {
        !            33:        union {
        !            34:                u_char    xbsel[2];
        !            35:                u_short xwsel;
        !            36:        } xw0;
        !            37:        union {
        !            38:                u_char    xbsel[2];
        !            39:                u_short xwsel;
        !            40:        } xw1;
        !            41:        union {
        !            42:                u_char    xbsel[2];
        !            43:                u_short xwsel;
        !            44:        } xw2;
        !            45:        union {
        !            46:                u_char    xbsel[2];
        !            47:                u_short xwsel;
        !            48:        } xw3;
        !            49:        union {
        !            50:                u_char    xbsel[2];
        !            51:                u_short xwsel;
        !            52:        } xw4;
        !            53: };
        !            54: 
        !            55: #define  bsel0 xw0.xbsel[0]
        !            56: #define  bsel1 xw0.xbsel[1]
        !            57: #define  bsel2 xw1.xbsel[0]
        !            58: #define  bsel3 xw1.xbsel[1]
        !            59: #define  bsel4 xw2.xbsel[0]
        !            60: #define  bsel5 xw2.xbsel[1]
        !            61: #define  bsel6 xw3.xbsel[0]
        !            62: #define  bsel7 xw3.xbsel[1]
        !            63: #define  bsel10        xw4.xbsel[0]
        !            64: #define  bsel11        xw4.xbsel[1]
        !            65: 
        !            66: #define         wsel0  xw0.xwsel
        !            67: #define         wsel2  xw1.xwsel
        !            68: #define         wsel4  xw2.xwsel
        !            69: #define         wsel6  xw3.xwsel
        !            70: #define         wsel10 xw4.xwsel
        !            71: 
        !            72: /*
        !            73:  * dmv software packet encapsulation.  This allows the dmv
        !            74:  * link to be multiplexed among several protocols.
        !            75:  * The first eight bytes of the dmc header are garbage,
        !            76:  * since on a vax the uba has been known to mung these
        !            77:  * bytes.  The next two bytes encapsulate packet type.
        !            78:  */
        !            79: struct dmv_header {
        !            80:        short   dmv_type;       /* encapsulate packet type */
        !            81: };
        !            82: 
        !            83: /* packet types */
        !            84: #define        DMV_IPTYPE      1
        !            85: #define        DMV_TRAILER     2
        !            86: #define        DMV_NTRAILER    16
        !            87: 
        !            88: /*
        !            89:  * DMVMTU includes space for data (1024) + 
        !            90:  * protocol header (256) + trailer descriptor (4).
        !            91:  * The software link encapsulation header (dmv_header)
        !            92:  * is handled separately.
        !            93:  */
        !            94: #define DMVMTU  1284
        !            95: 
        !            96: #define        RDYSCAN 16      /* loop delay for RDYI after RQI */
        !            97: 
        !            98:        /* defines for bsel0 */
        !            99: 
        !           100: #define        DMV_IEI         0x01            /* interrupt enable, input */
        !           101: #define        DMV_IEO         0x10            /* interrupt enable, output */
        !           102: #define        DMV_RQI         0x80            /* request input */
        !           103: #define DMV0BITS       "\10\8RQI\5IEO\1IEI"
        !           104: 
        !           105:        /* defines for bsel1 */
        !           106: 
        !           107: #define        DMV_MCLR        0x40            /* master clear */
        !           108: #define        DMV_RUN         0x80            /* run */
        !           109: #define DMV1BITS       "\10\8RUN\7MCLR"
        !           110: 
        !           111:        /* defines for bsel2 */
        !           112: 
        !           113: #define        DMV_CMD         0x07            /* command/response type field */
        !           114: 
        !           115: 
        !           116:        /* input commands */
        !           117: 
        !           118: #define        DMV_BACCR       0x00            /* buffer address, char. count - rec */
        !           119: #define        DMV_BACCX       0x04            /* buffer address, char. count - xmit */
        !           120: #define        DMV_MDEFI       0x02            /* mode definition input */
        !           121: #define        DMV_CNTRLI      0x01            /* control input */
        !           122: 
        !           123:        /* response identifiers */
        !           124: 
        !           125: #define        DMV_CNTRLO      0x01            /* control output */
        !           126: #define        DMV_MDEFO       0x02            /* information output */
        !           127: #define        DMV_BDRUS       0x00            /* buffer definition - rec. used */
        !           128: #define        DMV_BDRUNUS     0x03            /* buffer disposition - rec. unused */
        !           129: #define        DMV_BDXSA       0x04            /* buffer dispostiion - sent & ack */
        !           130: #define        DMV_BDXSN       0x06            /* buffer dispostiion - sent & not ack*/
        !           131: #define        DMV_BDXNS       0x07            /* buffer dispostiion - not sent */
        !           132: 
        !           133: #define DMV_22BIT      0x08            /* buffer address in 22 bit format */
        !           134: #define DMV_RDI                0x10            /* ready for input */
        !           135: #define DMV_RDO                0x80            /* ready for output */
        !           136: #define DMV2BITS       "\10\8RDO\5RDI"
        !           137: 
        !           138:        /* defines for CNTRLI mode */
        !           139: 
        !           140: #define        DMV_RDTSS       0x20            /* read tributary status slot */
        !           141: #define        DMV_RDCTSS      0x40            /* read/clear tributary status slot */
        !           142: #define        DMV_WRTSS       0x80            /* write tributary status slot */
        !           143: #define        DMV_TRIBN       0x1f            /* tributary number */
        !           144: #define        DMV_RQKEY       0x1f            /* control command request key */
        !           145: #define DMV_ECBP       0x100           /* establish common buffer pool */
        !           146: 
        !           147:        /* relevant command request keys */
        !           148: 
        !           149: #define DMV_NOP                0x00            /* no-op */
        !           150: #define DMV_ESTTRIB    0x01            /* establish tributary */
        !           151: #define DMV_REQSUS     0x03            /* request start up state */
        !           152: #define DMV_REQHS      0x05            /* request halt state */
        !           153: #define DMV_WMC                0x10            /* write modem control */
        !           154: #define DMV_RMC                0x11            /* read modem control */
        !           155: 
        !           156:        /* some interesting CNTRLO codes 
        !           157:         *
        !           158:         * use the manual if yours isn't here!!
        !           159:         */
        !           160: 
        !           161: #define        DMV_RTE         0002            /* receive threshold error */
        !           162: #define        DMV_TTE         0004            /* xmit threshold error */
        !           163: #define        DMV_STE         0006            /* select threshold error */
        !           164: #define DMV_ORUN       0024            /* other end enters run state */
        !           165: #define DMV_NXM                0302            /* non-existant memory */
        !           166: #define DMV_MODD       0304            /* modem disconnected */
        !           167: #define DMV_QOVF       0306            /* response queue overflow */
        !           168: #define DMV_CXRL       0310            /* modem cxr lost */
        !           169: 
        !           170: #define DMV_EEC                0377            /* CNTRLO error code mask */

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