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Annotation of 43BSDTahoe/sys/tahoevba/vxreg.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 and use in source and binary forms are permitted
        !             6:  * provided that the above copyright notice and this paragraph are
        !             7:  * duplicated in all such forms and that any documentation,
        !             8:  * advertising materials, and other materials related to such
        !             9:  * distribution and use acknowledge that the software was developed
        !            10:  * by the University of California, Berkeley.  The name of the
        !            11:  * University may not be used to endorse or promote products derived
        !            12:  * from this software without specific prior written permission.
        !            13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            16:  *
        !            17:  *     @(#)vxreg.h     7.2 (Berkeley) 6/29/88
        !            18:  */
        !            19: 
        !            20: /*
        !            21:  * Vioc hardware interface structure.
        !            22:  */
        !            23: struct vxdevice {
        !            24:        char    v_vioc;         /*  0 type of interrupt + vioc busy flag */
        !            25:        char    v_hdwre;        /*  1 trap, reset, or hard interrupt */
        !            26:        char    v_vcbsy;        /*  2 command busy (set by host) */
        !            27:        char    v_vcid;         /*  3 command identifier */
        !            28:        short   v_vcp[2];       /*  4 command pointer (sent by host) */
        !            29:        short   v_unused;       /*  8 unused */
        !            30:        short   v_rspoff;       /*  a offset into vblock for response buf */
        !            31:        char    v_ustat;        /*  c status */
        !            32:        char    v_uqual;        /*  d interrupt qualifier */
        !            33:        char    v_usdata[0x3E]; /*  e unsolicited interrupt data */
        !            34:        short   v_maxxmt;       /* 4C max xmit block size */
        !            35:        short   v_maxsilo;      /* 4E max silo size */
        !            36:        char    v_ident;        /* 50 identifies type of vioc */
        !            37:        char    v_fault;        /* 51 denotes fault or ready after reset */
        !            38:        short   v_dcd;          /* 52 bit mask for carr detect by port */
        !            39:        short   v_cts;          /* 54 bit mask for cts by port */
        !            40:        short   v_dsr;          /* 56 bit mask for dsr by port */
        !            41:        short   v_secrec;       /* 58 bit mask for secondary receive */
        !            42:        short   v_badport;      /* 5a bit mask of failed ports */
        !            43:        char    v_portyp[16];   /* 5c type of each port */
        !            44: };
        !            45: 
        !            46: /* control bits for v_vioc and v_hdwre */
        !            47: #define        V_RESET 0x1             /* cause a vioc reset */
        !            48: #define        V_TRP   0x2             /* cause a vioc trap */
        !            49: #define        V_INTR  0x4             /* cause a vioc interrupt */
        !            50: #define        V_ERR   0x80            /* generic error flag */
        !            51: #define        V_BSY   0x80            /* generic busy flag */
        !            52: #define        V_UNBSY 0x80            /* not busy for unsolicited interrupt */
        !            53: 
        !            54: /* command identifier codes */
        !            55: #define        VXC_LIDENT      0x0000          /* load ident, set int vectors */
        !            56: #define        VXC_XMITDTA     0x0200          /* transmit */
        !            57: #define        VXC_XMITIMM     0x0400          /* xmit immediate */
        !            58: #define        VXC_FDTATOX     0x0300          /* flush data */
        !            59: #define        VXC_LPARAX      0x0600          /* load params */
        !            60: #define        VXC_SNDBRKX     0x0C00          /* send break to port */
        !            61: #define        VXC_MDMCTL      0x1000          /* auto modem control */
        !            62: /* bisync specific command identifiers */
        !            63: #define        VXC_LPARAX1     0x060a
        !            64: #define        VXC_MDMCTL1     0x1004
        !            65: #define        VXC_HUNTMD1     0x0804
        !            66: 
        !            67: /* vioc types returned during config */
        !            68: #define        VXT_VIOCBOP     0x05            /* vioc-bop */
        !            69: #define        VXT_PVIOCX      0x0A            /* old connector panel vioc-x */
        !            70: #define        VXT_VIOCX       0x0B            /* new connector panel vioc-x */
        !            71: #define        VXT_VIOCB       0x0C            /* vioc-bisync */
        !            72: #define        VXT_NEW         0x10            /* new type bit (or'd in) */
        !            73: 
        !            74: #define        VX_BISYNC       0x1             /* bisync flag indicator for bscport */
        !            75: 
        !            76: /* connector panel types (per port) */
        !            77: #define        VXT_NONE        0               /* no connector panel */
        !            78: #define        VXT_8PORT       1               /* 8 port RS-232C */
        !            79: #define        VXT_RS422       2               /* 8 port RS-422 (nonexistent) */
        !            80: #define        VXT_4PORT       3               /* 4 port RS-232 (with DSR/RING) */
        !            81: #define        VXT_PARALLEL    4               /* 4 port panel parallel port */
        !            82: 
        !            83: /* v_fault status values */
        !            84: #define        VXF_READY       0x55            /* no err in vioc self-initializaton */
        !            85: 
        !            86: /* line parameters, set with VXC_LPARAX */
        !            87: #define        BITS5           0x00            /* 5 bits per character */
        !            88: #define        BITS6           0x80            /* 6 bits per character */
        !            89: #define        BITS7           0x40            /* 7 bits per character */
        !            90: #define        BITS8           0xc0            /* 8 bits per character */
        !            91: 
        !            92: #define        VNOPARITY       0x00            /* no parity bit */
        !            93: #define        VODDP           0x01            /* odd parity bit */
        !            94: #define        VEVENP          0x03            /* even parity bit */
        !            95: 
        !            96: #define        VSTOP1          0x04            /* 1 stop bit */
        !            97: #define        VSTOP2          0x0c            /* 2 stop bit */
        !            98: 
        !            99: #define        V19200          0x13            /* 19.2 kbaud */
        !           100: 
        !           101: /* modem control flags */
        !           102: #define        VMOD_ON         1
        !           103: #define        VMOD_OFF        0
        !           104: 
        !           105: #define        V_AUTO          0x00            /* auto control of RTS, uses CTS */
        !           106: #define        V_MANUAL        0x80            /* manual control of RTS, ignore CTS */
        !           107: #define        V_DTR_ON        0x02            /* set DTR output */
        !           108: #define        V_DTR_OFF       0x00            /* drop DTR output */
        !           109: #define        V_RTS           0x01            /* set RTS output (manual only) */
        !           110: 
        !           111: #define        BRK_CHR 040                     /* break character */
        !           112: #define        DCD_ON  020                     /* */
        !           113: #define        DCD_OFF 010                     /* */
        !           114: #define        CTS_ON  004                     /* */
        !           115: #define        DSR_ON  0200                    /* modem signal states for bisync */
        !           116: #define        DSR_OFF 0100
        !           117: #define        DSR_CHG (DSR_ON|DSR_OFF)
        !           118: 
        !           119: #define        VX_SILO 0x800                   /* offset to base of silo */
        !           120: 
        !           121: /* input status bits returned in silo */
        !           122: #define        VX_PE   0x40                    /* parity error */
        !           123: #define        VX_FE   0x80                    /* framing error */
        !           124: #define        VX_RO   0xc0                    /* receiver overrun */
        !           125: 
        !           126: #define        VRESPLEN        12
        !           127: #define        VCMDLEN         64
        !           128: #define        VC_IQLEN        64              /* Interrupt circular queue length */
        !           129: #define        NVCXBUFS        16*3            /* 3 bufs per port per viocx */
        !           130: #define        VC_CMDBUFL      NVCXBUFS        /* circular cmd (to exec) queue len*/
        !           131: 
        !           132: struct vcmds {
        !           133:        int     v_cmdsem;               /* # cmds waiting for itrque */
        !           134:        int     v_curcnt;               /* # cmds in itrque and executing */
        !           135:        caddr_t v_curcmd[VCMDLEN];      /* pointers to cmds being executed */
        !           136:        int     v_fill;                 /* circular fill index */
        !           137:        int     v_empty;                /* circular empty index */
        !           138:        caddr_t cmdbuf[VC_CMDBUFL];     /* circular cmd (to exec) queue */
        !           139:        int     v_itrfill;              /* circular intr issue queue fill */
        !           140:        int     v_itrempt;              /* circular intr issue queue empty */
        !           141:        short   v_itrqueu[VC_IQLEN];    /* circular intr issue queue */
        !           142: };
        !           143: 
        !           144: struct vxcmd {
        !           145:        struct  vxcmd *c_fwd;
        !           146:        short   cmd;
        !           147:        char    par[58];                /* pad to 64 total size */
        !           148: };
        !           149: 
        !           150: struct vxmit {
        !           151:        char    line;
        !           152:        char    bcount;
        !           153:        char    ostream[6];
        !           154: };
        !           155: 
        !           156: #define        SSPEED  13                      /* standard speed 9600 bps */

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