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Annotation of Net2/arch/tahoe/vba/mpreg.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1988 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * This code is derived from software contributed to Berkeley by
        !             6:  * Computer Consoles Inc.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. All advertising materials mentioning features or use of this software
        !            17:  *    must display the following acknowledgement:
        !            18:  *     This product includes software developed by the University of
        !            19:  *     California, Berkeley and its contributors.
        !            20:  * 4. Neither the name of the University nor the names of its contributors
        !            21:  *    may be used to endorse or promote products derived from this software
        !            22:  *    without specific prior written permission.
        !            23:  *
        !            24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            34:  * SUCH DAMAGE.
        !            35:  *
        !            36:  *     @(#)mpreg.h     7.4 (Berkeley) 6/28/90
        !            37:  */
        !            38: 
        !            39: /*
        !            40:  * MPCC Asynchronous Communications Interface.
        !            41:  */
        !            42: #define MPINTRBASE     0xa0            /* base vector for interupts */
        !            43: #define MPMAGIC                1969            /* magic number for mblok */
        !            44: #define MPMAXPORT      32              /* maximum number of ports on an MPCC */
        !            45: 
        !            46: /*
        !            47:  * MPCC's are capable of supporting one of a
        !            48:  * the protocols listed below.  This driver
        !            49:  * supports only the async terminal protocol.
        !            50:  */
        !            51: #define MPPROTO_UNUSED 0       /* port not in use */
        !            52: #define MPPROTO_ASYNC  1       /* async protocol */
        !            53: #define MPPROTO_X25    2       /* x25 protocol (unsupported) */
        !            54: #define MPPROTO_BISYNC 3       /* bisync protocol (unsupported) */
        !            55: #define MPPROTO_SNA    4       /* sna protocol (unsupported) */
        !            56: 
        !            57: #define NMPPROTO       5       /* max protocols supported by MPCC */
        !            58: 
        !            59: #define MPINSET                8
        !            60: #define MPOUTSET       8
        !            61: 
        !            62: /*
        !            63:  * Host Interface semaphores
        !            64:  */
        !            65: #define MPSEMA_AVAILABLE       1
        !            66: #define MPSEMA_WORK            4
        !            67: 
        !            68: /*
        !            69:  * Host Interface imok values
        !            70:  */
        !            71: #define MPIMOK_ALIVE   0x01
        !            72: #define MPIMOK_DEAD    0x80
        !            73: 
        !            74: /*
        !            75:  * Host Interface Structure
        !            76:  */
        !            77: struct his {
        !            78:        u_char  semaphore;
        !            79:        u_char  imok;
        !            80:        u_char  brdnum;         /* Virtual brd number for protocol */
        !            81:        u_char  unused;
        !            82:        struct {
        !            83:                u_char  inbdone[MPMAXPORT];     /* Ports w/ inbound completed */
        !            84:                u_char  outbdone[MPMAXPORT];    /* Ports w/outbound available */
        !            85:                u_int   fill[2];
        !            86:        } proto[NMPPROTO];
        !            87: };
        !            88: 
        !            89: #define MPPORT_EOL     0xff            /* end of port list */
        !            90: 
        !            91: /*
        !            92:  * Async host transmit list structure.
        !            93:  */
        !            94: #define MPXMIT 4       /* # of transmit ptrs/MP_WRITE event */
        !            95: 
        !            96: struct hxmtl {
        !            97:        caddr_t dblock[MPXMIT]; /* ptrs to data blocks */
        !            98:        u_short size[MPXMIT];   /* size of each block */
        !            99: };
        !           100: 
        !           101: /*
        !           102:  * MPCC asynchronous protocol events.
        !           103:  */
        !           104: struct mpevent {
        !           105:        u_char  ev_status;      /* Go Status */
        !           106:        u_char  ev_cmd;         /* Optional Op-code */
        !           107:        u_short ev_opts;        /* Optional flags */
        !           108:        u_short ev_error;       /* error status returned */
        !           109:        u_short ev_flags;       /* optional event flags field */
        !           110:        caddr_t ev_params;      /* pointer to event parameters */
        !           111:        union {
        !           112:                struct  hxmtl *hxl;     /* pointer to host xmit list */
        !           113:                u_char  *rcvblk;        /* pointer to receive block */
        !           114:        } ev_un;
        !           115:        u_short ev_count;       /* # ptrs in xmit list/# receive chars  */
        !           116:        u_short ev_unused;      /* round to longword */
        !           117:        u_int   ev_unused2;     /* round to size of BSC struct. GROT!! */
        !           118: };
        !           119: 
        !           120: /* defines for ev_status */
        !           121: #define EVSTATUS_FREE  0
        !           122: #define EVSTATUS_GO    1
        !           123: #define EVSTATUS_BUSY  2
        !           124: #define EVSTATUS_DONE  4
        !           125: 
        !           126: /* defines for ev_cmd */
        !           127: #define EVCMD_OPEN     1
        !           128: #define EVCMD_CLOSE    2
        !           129: #define EVCMD_RESET    3
        !           130: #define EVCMD_IOCTL    4
        !           131: #define EVCMD_WRITE    5
        !           132: #define EVCMD_READ     6
        !           133: #define EVCMD_STATUS   7
        !           134: #define EVCMD_EVENT    8
        !           135: 
        !           136: /*
        !           137:  * Host-MPCC interface block.
        !           138:  */
        !           139: struct mblok {
        !           140:        u_char  mb_status;              /* mpcc status */
        !           141:        u_char  mb_ivec;                /* host interrupt vector */
        !           142:        u_short mb_magic;
        !           143:        u_char  mb_diagswitch[2];       /* run diagnostics/application */
        !           144:        u_char  mb_softerr;             /* soft error code */
        !           145:        u_char  mb_harderr;             /* hard error code */
        !           146:        struct mpdl {           /* download/config area */
        !           147:                u_char  mpdl_status;    /* control/status */
        !           148:                u_char  mpdl_cmd;       /* request type */
        !           149:                u_short mpdl_count;     /* size of parameter block */
        !           150:                caddr_t mpdl_data;      /* command parameters */
        !           151:        } mb_dl;
        !           152:        u_char  mb_hiport, mb_loport;   /* high-low mpcc port numbers */
        !           153:        u_char  mb_unit;                /* mpcc unit number */
        !           154:        u_char  mb_hndshk;              /* handshaking timer */
        !           155:        caddr_t mb_imokclk;             /* handshaking clock */
        !           156:        u_char  mb_nointcnt;            /* no interrupt from handshake */
        !           157:        u_char  mb_mpintcnt;            /* # outstanding interupts to MPCC */
        !           158:        short   mb_unused;
        !           159:        caddr_t mb_mpintclk;            /* MPCC interrupt clock */
        !           160:        struct  his mb_hostint;         /* To Talk with Host */
        !           161:        u_char  mb_proto[MPMAXPORT];    /* per-port protocols */
        !           162:        u_char  mb_intr[MPMAXPORT];     /* per-port host->mpcc int flags */
        !           163:        struct  mpport {        /* per-port structure */
        !           164:                u_short mp_proto;       /* protocol of port */
        !           165:                u_char  mp_on;          /* Next available entry on Host */
        !           166:                u_char  mp_off;         /* Next expected 'DONE' entry on Host */
        !           167:                struct  mpevent mp_recvq[MPINSET]; /* queue of events to host */
        !           168:                struct  mpevent mp_sendq[MPOUTSET];/* queue of events to mpcc */
        !           169:                u_char  mp_nextrcv;     /* next expected 'DONE' entry on Host */
        !           170:                u_char  mp_flags;       /* host flags */
        !           171:                short   mp_unused;
        !           172:                caddr_t mp_data;        /* pointer to data for port */
        !           173:        } mb_port[MPMAXPORT];
        !           174: };
        !           175: 
        !           176: /* status defines for mblok.status */
        !           177: #define MP_DLPEND      1
        !           178: #define MP_DLOPEN      2
        !           179: #define MP_DLDONE      3
        !           180: #define MP_OPCLOSE     4
        !           181: #define MP_OPOPEN      5
        !           182: #define MP_DLTIME      6
        !           183: #define MP_DLERROR     (-1)
        !           184: 
        !           185: /* hard error status values loaded into mblock.herr */
        !           186: #define NOHERR         0       /* no error */
        !           187: #define MPBUSERR       1       /* bus error */
        !           188: #define ADDRERR                2       /* address error */
        !           189: #define UNDECC         3       /* undefined ecc interrupt */
        !           190: #define UNDINT         4       /* undefined interrupt */
        !           191: #define PWRFL          5       /* power fail occurred */
        !           192: #define NOXENTRY       6       /* xdone was enterred w/o xmit entry on queue */
        !           193: #define TWOFTMRS       7       /* tried to start two fast timers on one port */
        !           194: #define INTQFULL       8       /* interupt queue full */
        !           195: #define INTQERR                9       /* interupt queue ack error */
        !           196: #define CBPERR         10      /* uncorrectable DMA parity error */
        !           197: #define ACPDEAD                11      /* acap has died */
        !           198: /* additional panic codes not listed */
        !           199: 
        !           200: /* soft error status values loaded into mblock.serr */
        !           201: #define NOSERR 0               /* no error */
        !           202: #define DMAPERR        1               /* dma parity error */
        !           203: #define ECCERR 2               /* local memory ecc error */
        !           204: 
        !           205: /* Defines for flags */
        !           206: #define MP_PROGRESS    1       /* Open or Close is in progress */
        !           207: #define MP_IOCTL       2       /* IOCTL is in progress */
        !           208: #define MP_REMBSY      4       /* remote station busy */
        !           209: 
        !           210: /*
        !           211:  * Asynchronous Terminal Protocol Definitions.
        !           212:  */
        !           213: #define A_RCVTIM       2       /* default max tix for receive event (~20ms) */
        !           214: #define ACPTMR         300     /* approx. 5 secs to wait for acap     */
        !           215: #define A_MAXEVTP      3       /* maximum # of L1 or Host Events to    */
        !           216:                                /* process per port at one time  */
        !           217: #define A_MAXRCV       128     /* max # of chars in rcv event - enough */
        !           218:                                /* to hold 20ms of chars at 19.2KB      */
        !           219: #define A_NUMRCV       32      /* number of rcv buffers per port       */
        !           220: #define A_NUMXMT       2       /* max number of concurrent xmits/port  */
        !           221: #define A_NUMEVT       32      /* number of evt bufs for status evts   */
        !           222:                                /* and L2 to L1 transmit evts      */
        !           223: #define WR5    5               /* SCC Write Reg 5                    */
        !           224: #define TXENBL 0x08            /* mask to enable transmitter in WR 5   */
        !           225: #define RTSON  0x02            /* mask to turn on RTS in wreg 5        */
        !           226: #define CHR5MSK        0x1F            /* mask for 5-bit transmit data  */
        !           227: 
        !           228: /*
        !           229:  * macro to adjust a circular buffer ptr
        !           230:  *      x  = pointer or index
        !           231:  *      sz = size of circular buffer
        !           232:  */
        !           233: #define adjptr(x,sz)   ((x) = ((++(x) == (sz)) ? 0 : (x)))
        !           234: #define adjptrbk(x,sz) ((x) = ((x) == 0) ? (sz) : --(x))
        !           235: 
        !           236: /*
        !           237:  * Events from ASYNC Level 1 to Level 2
        !           238:  */
        !           239: #define RCVDTA 10      /* normal receive data available */
        !           240: #define PARERR 11      /* receive data with parity error */
        !           241: #define OVRNERR        12      /* receive data with overrun error */
        !           242: #define OVFERR 13      /* receive data with overflow error */
        !           243: #define FRAMERR        14      /* receive data with framing error */
        !           244: #define ACKXMT 15      /* successful completion of transmit */
        !           245: #define NORBUF 16      /* No Receive Buffers available  */
        !           246: #define NOEBUF 17      /* No Event Buffers available */
        !           247: #define BRKASRT        18      /* Break condition detected */
        !           248: 
        !           249: /* defines for error conditions */
        !           250: #define A_OK           0       /* No Errors */
        !           251: #define A_INVEVT       1       /* Invalid Event Error */
        !           252: #define A_IOCERR       2       /* Error while configuring port */
        !           253: #define A_SIZERR       3       /* Error in count of data chars to xmt */
        !           254: #define A_NXBERR       4       /* Transmit Incomplete due to lack of bufs */
        !           255: 
        !           256: /*
        !           257:  * Modem control signal control structure.
        !           258:  */
        !           259: struct mdmctl {
        !           260:        u_char  mc_rngdsr;      /* ring or dsr */
        !           261:        u_char  mc_rts;         /* request to send */
        !           262:        u_char  mc_rate;
        !           263:        u_char  mc_dcd;         /* data carrier detect */
        !           264:        u_char  mc_sectx;       /* secondary transmit */
        !           265:        u_char  mc_cts;         /* clear to send */
        !           266:        u_char  mc_secrx;       /* secondary receive */
        !           267:        u_char  mc_dtr;         /* data terminal ready */
        !           268: };
        !           269: 
        !           270: /* defines for modem control lines */
        !           271: #define ASSERT 1               /* line asserted */
        !           272: #define DROP   2               /* line dropped */
        !           273: #define AUTO   3               /* auto mode enabled, rts only */
        !           274: 
        !           275: /*
        !           276:  * Async parameter structure.
        !           277:  */
        !           278: struct asyncparam {
        !           279:        u_char  ap_xon, ap_xoff;        /* xon-xoff characters */
        !           280:        u_char  ap_xena;                /* xon/xoff enabled */
        !           281:        u_char  ap_xany;                /* any received char enables xmitter */
        !           282:        struct  mdmctl ap_modem;        /* port modem control lines */
        !           283:        struct  mdmctl ap_intena;       /* modem signals which generate */
        !           284:                                        /* status change events */
        !           285:        u_char  ap_data;                /* number of data bits */
        !           286:        u_char  ap_stop;                /* number of stop bits */
        !           287:        u_char  ap_baud;                /* baud rate */
        !           288:        u_char  ap_parity;              /* even/odd/no parity */
        !           289:        u_char  ap_loop;                /* enable for local loopback */
        !           290:        u_char  ap_rtimer;              /* receive timer value (msec) */
        !           291:        short   ap_fill;                /* round to longword */
        !           292: };
        !           293: 
        !           294: /* enable/disable signal codes */
        !           295: #define MPA_ENA        1               /* condition enabled */
        !           296: #define MPA_DIS        2               /* condition disabled */
        !           297: 
        !           298: /* defines for ap_data */
        !           299: #define MPCHAR_5       0       /* 5 bits per character */
        !           300: #define MPCHAR_6       2       /* 6 bits per character */
        !           301: #define MPCHAR_7       1       /* 7 bits per character */
        !           302: #define MPCHAR_8       3       /* 8 bits per character */
        !           303: 
        !           304: /* defines for ap_stop */
        !           305: #define MPSTOP_1       1       /* 1 stop bit per character */
        !           306: #define MPSTOP_1_5     2       /* 1 1/2 stop bits per character */
        !           307: #define MPSTOP_2       3       /* 2 stop bits per character */
        !           308: 
        !           309: /* defines for ap_baud */
        !           310: #define MODEM  0
        !           311: #define M0     0               /* baud rate = 0 */
        !           312: #define M50    1               /* baud rate = 50 */
        !           313: #define M75    2               /* baud rate = 75 */
        !           314: #define M110   3               /* baud rate = 110 */
        !           315: #define M134_5 4               /* baud rate = 134.5 */
        !           316: #define M150   5               /* baud rate = 150 */
        !           317: #define M200   6               /* baud rate = 200 */
        !           318: #define M300   7               /* baud rate = 300 */
        !           319: #define M600   8               /* baud rate = 600 */
        !           320: #define M1200  9               /* baud rate = 1200 */
        !           321: #define M1800  10              /* baud rate = 1800 */
        !           322: #define M2400  11              /* baud rate = 2400 */
        !           323: #define M4800  12              /* baud rate = 4800 */
        !           324: #define M9600  13              /* baud rate = 9600 */
        !           325: #define MEXTA  14              /* baud rate = Ext A */
        !           326: #define MEXTB  15              /* baud rate = Ext B */
        !           327: #define M2000  16              /* baud rate = 2000 */
        !           328: #define M3600  17              /* baud rate = 3600 */
        !           329: #define M7200  18              /* baud rate = 7200 */
        !           330: #define M19200 19              /* baud rate = 19,200 */
        !           331: #define M24000 20              /* baud rate = 24,000 */
        !           332: #define M28400 21              /* baud rate = 28,400 */
        !           333: #define M37800 22              /* baud rate = 37,800 */
        !           334: #define M40300 23              /* baud rate = 40,300 */
        !           335: #define M48000 24              /* baud rate = 48,000 */
        !           336: #define M52000 25              /* baud rate = 52,000 */
        !           337: #define M56800 26              /* baud rate = 56,800 */
        !           338: 
        !           339: /* defines for ap_parity */
        !           340: #define MPPAR_NONE     0       /* no parity */
        !           341: #define MPPAR_ODD      1       /* odd parity */
        !           342: #define MPPAR_EVEN     3       /* even parity */
        !           343: 
        !           344: /* possible flags for Host MP_IOCTL Events */
        !           345: #define A_CHGX         1       /* IOCTL is only chging xonxoff params */
        !           346: #define A_MDMCHG       2       /* change modem control lines */
        !           347: #define A_MDMGET       3       /* get current state of modem ctl lines */
        !           348: #define A_CHGL1P       4       /* IOCTL is changing changing L1 params */
        !           349: #define A_BRKON                5       /* set port break bit */
        !           350: #define A_BRKOFF       6       /* clear port break bit */
        !           351: #define A_CHGALL       7       /* IOCTL is changing xonxoff params, */
        !           352:                                /* pcnfg struct, & modem ctl structs */
        !           353: #define A_DISABX       8       /* disable port transmitter (ctl-s) */
        !           354: #define A_ENABLX       9       /* enable port transmitter (ctl-q) */
        !           355: 
        !           356: /* possible flags for Host MP_WRITE Events */
        !           357: #define A_FLUSH                1       /* flush any queued transmit events */
        !           358: #define A_SSTOP                2       /* transmit a port stop (xoff) char */
        !           359:                                /* before sending rest of event xmts */
        !           360: #define A_SSTART       3       /* transmit a port start (xon) char */
        !           361:                                /* before sending rest of event xmts */
        !           362: 
        !           363: /* possible flags for Outbound MP_READ Events */
        !           364: #define A_XOFF         1       /* transmitter stopped from by xoff char */
        !           365: 
        !           366: /* Perpos flags for modem control fields */
        !           367: #define A_RNGDSR       00001
        !           368: #define A_RTS          00002
        !           369: #define A_RATE         00004 
        !           370: #define A_DCD          00010
        !           371: #define A_SECTX                00020 
        !           372: #define A_CTS          00040
        !           373: #define A_SECRX                00100
        !           374: #define A_DTR          00200
        !           375: 
        !           376: #define DCDASRT                100     /* data carrier detect asserted */
        !           377: #define DTRASRT                101     /* data terminal ready asserted */
        !           378: #define RNGASRT                102     /* ring indicator asserted */
        !           379: #define DSRASRT                102     /* data set ready asserted */
        !           380: #define CTSASRT                103     /* clear to send asserted */
        !           381: #define RTSASRT                104     /* ready to send asserted */
        !           382: #define STXASRT                105     /* secondary transmit asserted */
        !           383: #define SRXASRT                106     /* secondary recieve asserted */
        !           384: #define RATEASRT       107     /* rate signal asserted */
        !           385: #define DCDDROP                108     /* data carrier detect dropped */
        !           386: #define DTRDROP                109     /* data terminal ready dropped */
        !           387: #define RNGDROP                110     /* ring indicator dropped */
        !           388: #define MPDSRDROP      110     /* data set ready dropped */
        !           389: #define CTSDROP                111     /* clear to send dropped */
        !           390: #define RTSDROP                112     /* ready to send dropped */
        !           391: #define STXDROP                113     /* secondary transmit dropped */
        !           392: #define SRXDROP                114     /* secondary recieve dropped */
        !           393: #define RATEDROP       115     /* rate signal dropped */
        !           394: 
        !           395: /* Defines for filters and intena in portstat */
        !           396: #define MDM_OFF        0
        !           397: #define MDM_ON 1
        !           398: 
        !           399: /* Modem on/off flags */
        !           400: #define MMOD_OFF       0
        !           401: #define MMOD_ON                1
        !           402: 
        !           403: /* defintions for DL interface */
        !           404: 
        !           405: #define MPDLBUFSIZE    1024
        !           406: 
        !           407: /* mpdlioctl command defines */
        !           408: 
        !           409: struct protports {
        !           410:        char protoport[MPMAXPORT];
        !           411: };
        !           412: 
        !           413: struct abdcf {
        !           414:        short xmtbsz;           /* transmit buffer size - should */
        !           415:                                /* equal # of chars in a cblock  */
        !           416: };
        !           417: 
        !           418: struct bdcf {
        !           419:        char loadname[NMPPROTO+1];
        !           420:        char protoports[MPMAXPORT];
        !           421:        char fccstimer;         /* powerfail timer */
        !           422:        char fccsports;         /* ports to affect */
        !           423:        char fccssoc;           /* ports which will 'switch on close' */
        !           424: };
        !           425: 
        !           426: 
        !           427: /* These ioctls are for the dlmpcc command */
        !           428: #define MPIOPORTMAP            _IOW('m',1, struct protports)
        !           429: #define MPIOHILO               _IOW('m',3, short)
        !           430: #define MPIOENDCODE            _IO('m',4)
        !           431: #define MPIOASYNCNF            _IOW('m',7, struct abdcf)
        !           432: #define MPIOENDDL              _IO('m',10)
        !           433: #define MPIOSTARTDL            _IO('m',11)
        !           434: #define MPIORESETBOARD         _IO('m',12)
        !           435: 
        !           436: /* mpdlwrite opcode defines */
        !           437: 
        !           438: #define MPDLCMD_NORMAL 1
        !           439: 
        !           440: /* error messages printed at console , board & port # filled in later */
        !           441: 
        !           442: #define A_INVSTS       "Invalid Status Event "
        !           443: #define A_INVCMD       "Invalid Event From the MPCC " 
        !           444: #define A_NORBUF       "No More Available Receive Buffers "
        !           445: #define A_NOEBUF       "No More Available Event Buffers "
        !           446: #define A_OVRN         "Overrun Error Detected "
        !           447: #define A_OVRF         "Overflow Error Detected "
        !           448: #define A_NOXBUF       "No More Available Transmit Event Buffers "
        !           449: #define A_XSIZE                "Transmit Data Block Size Exceeds Event Data Buffer Size "
        !           450: #define A_NOFREIN      "No Available Inbound Entries to Send Close Event "

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