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BSD 4_3_Net_2 release
[unix-history] / usr / src / sys / tahoe / vba / mpreg.h
/*
* Copyright (c) 1988 Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Computer Consoles Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)mpreg.h 7.4 (Berkeley) 6/28/90
*/
/*
* MPCC Asynchronous Communications Interface.
*/
#define MPINTRBASE 0xa0 /* base vector for interupts */
#define MPMAGIC 1969 /* magic number for mblok */
#define MPMAXPORT 32 /* maximum number of ports on an MPCC */
/*
* MPCC's are capable of supporting one of a
* the protocols listed below. This driver
* supports only the async terminal protocol.
*/
#define MPPROTO_UNUSED 0 /* port not in use */
#define MPPROTO_ASYNC 1 /* async protocol */
#define MPPROTO_X25 2 /* x25 protocol (unsupported) */
#define MPPROTO_BISYNC 3 /* bisync protocol (unsupported) */
#define MPPROTO_SNA 4 /* sna protocol (unsupported) */
#define NMPPROTO 5 /* max protocols supported by MPCC */
#define MPINSET 8
#define MPOUTSET 8
/*
* Host Interface semaphores
*/
#define MPSEMA_AVAILABLE 1
#define MPSEMA_WORK 4
/*
* Host Interface imok values
*/
#define MPIMOK_ALIVE 0x01
#define MPIMOK_DEAD 0x80
/*
* Host Interface Structure
*/
struct his {
u_char semaphore;
u_char imok;
u_char brdnum; /* Virtual brd number for protocol */
u_char unused;
struct {
u_char inbdone[MPMAXPORT]; /* Ports w/ inbound completed */
u_char outbdone[MPMAXPORT]; /* Ports w/outbound available */
u_int fill[2];
} proto[NMPPROTO];
};
#define MPPORT_EOL 0xff /* end of port list */
/*
* Async host transmit list structure.
*/
#define MPXMIT 4 /* # of transmit ptrs/MP_WRITE event */
struct hxmtl {
caddr_t dblock[MPXMIT]; /* ptrs to data blocks */
u_short size[MPXMIT]; /* size of each block */
};
/*
* MPCC asynchronous protocol events.
*/
struct mpevent {
u_char ev_status; /* Go Status */
u_char ev_cmd; /* Optional Op-code */
u_short ev_opts; /* Optional flags */
u_short ev_error; /* error status returned */
u_short ev_flags; /* optional event flags field */
caddr_t ev_params; /* pointer to event parameters */
union {
struct hxmtl *hxl; /* pointer to host xmit list */
u_char *rcvblk; /* pointer to receive block */
} ev_un;
u_short ev_count; /* # ptrs in xmit list/# receive chars */
u_short ev_unused; /* round to longword */
u_int ev_unused2; /* round to size of BSC struct. GROT!! */
};
/* defines for ev_status */
#define EVSTATUS_FREE 0
#define EVSTATUS_GO 1
#define EVSTATUS_BUSY 2
#define EVSTATUS_DONE 4
/* defines for ev_cmd */
#define EVCMD_OPEN 1
#define EVCMD_CLOSE 2
#define EVCMD_RESET 3
#define EVCMD_IOCTL 4
#define EVCMD_WRITE 5
#define EVCMD_READ 6
#define EVCMD_STATUS 7
#define EVCMD_EVENT 8
/*
* Host-MPCC interface block.
*/
struct mblok {
u_char mb_status; /* mpcc status */
u_char mb_ivec; /* host interrupt vector */
u_short mb_magic;
u_char mb_diagswitch[2]; /* run diagnostics/application */
u_char mb_softerr; /* soft error code */
u_char mb_harderr; /* hard error code */
struct mpdl { /* download/config area */
u_char mpdl_status; /* control/status */
u_char mpdl_cmd; /* request type */
u_short mpdl_count; /* size of parameter block */
caddr_t mpdl_data; /* command parameters */
} mb_dl;
u_char mb_hiport, mb_loport; /* high-low mpcc port numbers */
u_char mb_unit; /* mpcc unit number */
u_char mb_hndshk; /* handshaking timer */
caddr_t mb_imokclk; /* handshaking clock */
u_char mb_nointcnt; /* no interrupt from handshake */
u_char mb_mpintcnt; /* # outstanding interupts to MPCC */
short mb_unused;
caddr_t mb_mpintclk; /* MPCC interrupt clock */
struct his mb_hostint; /* To Talk with Host */
u_char mb_proto[MPMAXPORT]; /* per-port protocols */
u_char mb_intr[MPMAXPORT]; /* per-port host->mpcc int flags */
struct mpport { /* per-port structure */
u_short mp_proto; /* protocol of port */
u_char mp_on; /* Next available entry on Host */
u_char mp_off; /* Next expected 'DONE' entry on Host */
struct mpevent mp_recvq[MPINSET]; /* queue of events to host */
struct mpevent mp_sendq[MPOUTSET];/* queue of events to mpcc */
u_char mp_nextrcv; /* next expected 'DONE' entry on Host */
u_char mp_flags; /* host flags */
short mp_unused;
caddr_t mp_data; /* pointer to data for port */
} mb_port[MPMAXPORT];
};
/* status defines for mblok.status */
#define MP_DLPEND 1
#define MP_DLOPEN 2
#define MP_DLDONE 3
#define MP_OPCLOSE 4
#define MP_OPOPEN 5
#define MP_DLTIME 6
#define MP_DLERROR (-1)
/* hard error status values loaded into mblock.herr */
#define NOHERR 0 /* no error */
#define MPBUSERR 1 /* bus error */
#define ADDRERR 2 /* address error */
#define UNDECC 3 /* undefined ecc interrupt */
#define UNDINT 4 /* undefined interrupt */
#define PWRFL 5 /* power fail occurred */
#define NOXENTRY 6 /* xdone was enterred w/o xmit entry on queue */
#define TWOFTMRS 7 /* tried to start two fast timers on one port */
#define INTQFULL 8 /* interupt queue full */
#define INTQERR 9 /* interupt queue ack error */
#define CBPERR 10 /* uncorrectable DMA parity error */
#define ACPDEAD 11 /* acap has died */
/* additional panic codes not listed */
/* soft error status values loaded into mblock.serr */
#define NOSERR 0 /* no error */
#define DMAPERR 1 /* dma parity error */
#define ECCERR 2 /* local memory ecc error */
/* Defines for flags */
#define MP_PROGRESS 1 /* Open or Close is in progress */
#define MP_IOCTL 2 /* IOCTL is in progress */
#define MP_REMBSY 4 /* remote station busy */
/*
* Asynchronous Terminal Protocol Definitions.
*/
#define A_RCVTIM 2 /* default max tix for receive event (~20ms) */
#define ACPTMR 300 /* approx. 5 secs to wait for acap */
#define A_MAXEVTP 3 /* maximum # of L1 or Host Events to */
/* process per port at one time */
#define A_MAXRCV 128 /* max # of chars in rcv event - enough */
/* to hold 20ms of chars at 19.2KB */
#define A_NUMRCV 32 /* number of rcv buffers per port */
#define A_NUMXMT 2 /* max number of concurrent xmits/port */
#define A_NUMEVT 32 /* number of evt bufs for status evts */
/* and L2 to L1 transmit evts */
#define WR5 5 /* SCC Write Reg 5 */
#define TXENBL 0x08 /* mask to enable transmitter in WR 5 */
#define RTSON 0x02 /* mask to turn on RTS in wreg 5 */
#define CHR5MSK 0x1F /* mask for 5-bit transmit data */
/*
* macro to adjust a circular buffer ptr
* x = pointer or index
* sz = size of circular buffer
*/
#define adjptr(x,sz) ((x) = ((++(x) == (sz)) ? 0 : (x)))
#define adjptrbk(x,sz) ((x) = ((x) == 0) ? (sz) : --(x))
/*
* Events from ASYNC Level 1 to Level 2
*/
#define RCVDTA 10 /* normal receive data available */
#define PARERR 11 /* receive data with parity error */
#define OVRNERR 12 /* receive data with overrun error */
#define OVFERR 13 /* receive data with overflow error */
#define FRAMERR 14 /* receive data with framing error */
#define ACKXMT 15 /* successful completion of transmit */
#define NORBUF 16 /* No Receive Buffers available */
#define NOEBUF 17 /* No Event Buffers available */
#define BRKASRT 18 /* Break condition detected */
/* defines for error conditions */
#define A_OK 0 /* No Errors */
#define A_INVEVT 1 /* Invalid Event Error */
#define A_IOCERR 2 /* Error while configuring port */
#define A_SIZERR 3 /* Error in count of data chars to xmt */
#define A_NXBERR 4 /* Transmit Incomplete due to lack of bufs */
/*
* Modem control signal control structure.
*/
struct mdmctl {
u_char mc_rngdsr; /* ring or dsr */
u_char mc_rts; /* request to send */
u_char mc_rate;
u_char mc_dcd; /* data carrier detect */
u_char mc_sectx; /* secondary transmit */
u_char mc_cts; /* clear to send */
u_char mc_secrx; /* secondary receive */
u_char mc_dtr; /* data terminal ready */
};
/* defines for modem control lines */
#define ASSERT 1 /* line asserted */
#define DROP 2 /* line dropped */
#define AUTO 3 /* auto mode enabled, rts only */
/*
* Async parameter structure.
*/
struct asyncparam {
u_char ap_xon, ap_xoff; /* xon-xoff characters */
u_char ap_xena; /* xon/xoff enabled */
u_char ap_xany; /* any received char enables xmitter */
struct mdmctl ap_modem; /* port modem control lines */
struct mdmctl ap_intena; /* modem signals which generate */
/* status change events */
u_char ap_data; /* number of data bits */
u_char ap_stop; /* number of stop bits */
u_char ap_baud; /* baud rate */
u_char ap_parity; /* even/odd/no parity */
u_char ap_loop; /* enable for local loopback */
u_char ap_rtimer; /* receive timer value (msec) */
short ap_fill; /* round to longword */
};
/* enable/disable signal codes */
#define MPA_ENA 1 /* condition enabled */
#define MPA_DIS 2 /* condition disabled */
/* defines for ap_data */
#define MPCHAR_5 0 /* 5 bits per character */
#define MPCHAR_6 2 /* 6 bits per character */
#define MPCHAR_7 1 /* 7 bits per character */
#define MPCHAR_8 3 /* 8 bits per character */
/* defines for ap_stop */
#define MPSTOP_1 1 /* 1 stop bit per character */
#define MPSTOP_1_5 2 /* 1 1/2 stop bits per character */
#define MPSTOP_2 3 /* 2 stop bits per character */
/* defines for ap_baud */
#define MODEM 0
#define M0 0 /* baud rate = 0 */
#define M50 1 /* baud rate = 50 */
#define M75 2 /* baud rate = 75 */
#define M110 3 /* baud rate = 110 */
#define M134_5 4 /* baud rate = 134.5 */
#define M150 5 /* baud rate = 150 */
#define M200 6 /* baud rate = 200 */
#define M300 7 /* baud rate = 300 */
#define M600 8 /* baud rate = 600 */
#define M1200 9 /* baud rate = 1200 */
#define M1800 10 /* baud rate = 1800 */
#define M2400 11 /* baud rate = 2400 */
#define M4800 12 /* baud rate = 4800 */
#define M9600 13 /* baud rate = 9600 */
#define MEXTA 14 /* baud rate = Ext A */
#define MEXTB 15 /* baud rate = Ext B */
#define M2000 16 /* baud rate = 2000 */
#define M3600 17 /* baud rate = 3600 */
#define M7200 18 /* baud rate = 7200 */
#define M19200 19 /* baud rate = 19,200 */
#define M24000 20 /* baud rate = 24,000 */
#define M28400 21 /* baud rate = 28,400 */
#define M37800 22 /* baud rate = 37,800 */
#define M40300 23 /* baud rate = 40,300 */
#define M48000 24 /* baud rate = 48,000 */
#define M52000 25 /* baud rate = 52,000 */
#define M56800 26 /* baud rate = 56,800 */
/* defines for ap_parity */
#define MPPAR_NONE 0 /* no parity */
#define MPPAR_ODD 1 /* odd parity */
#define MPPAR_EVEN 3 /* even parity */
/* possible flags for Host MP_IOCTL Events */
#define A_CHGX 1 /* IOCTL is only chging xonxoff params */
#define A_MDMCHG 2 /* change modem control lines */
#define A_MDMGET 3 /* get current state of modem ctl lines */
#define A_CHGL1P 4 /* IOCTL is changing changing L1 params */
#define A_BRKON 5 /* set port break bit */
#define A_BRKOFF 6 /* clear port break bit */
#define A_CHGALL 7 /* IOCTL is changing xonxoff params, */
/* pcnfg struct, & modem ctl structs */
#define A_DISABX 8 /* disable port transmitter (ctl-s) */
#define A_ENABLX 9 /* enable port transmitter (ctl-q) */
/* possible flags for Host MP_WRITE Events */
#define A_FLUSH 1 /* flush any queued transmit events */
#define A_SSTOP 2 /* transmit a port stop (xoff) char */
/* before sending rest of event xmts */
#define A_SSTART 3 /* transmit a port start (xon) char */
/* before sending rest of event xmts */
/* possible flags for Outbound MP_READ Events */
#define A_XOFF 1 /* transmitter stopped from by xoff char */
/* Perpos flags for modem control fields */
#define A_RNGDSR 00001
#define A_RTS 00002
#define A_RATE 00004
#define A_DCD 00010
#define A_SECTX 00020
#define A_CTS 00040
#define A_SECRX 00100
#define A_DTR 00200
#define DCDASRT 100 /* data carrier detect asserted */
#define DTRASRT 101 /* data terminal ready asserted */
#define RNGASRT 102 /* ring indicator asserted */
#define DSRASRT 102 /* data set ready asserted */
#define CTSASRT 103 /* clear to send asserted */
#define RTSASRT 104 /* ready to send asserted */
#define STXASRT 105 /* secondary transmit asserted */
#define SRXASRT 106 /* secondary recieve asserted */
#define RATEASRT 107 /* rate signal asserted */
#define DCDDROP 108 /* data carrier detect dropped */
#define DTRDROP 109 /* data terminal ready dropped */
#define RNGDROP 110 /* ring indicator dropped */
#define MPDSRDROP 110 /* data set ready dropped */
#define CTSDROP 111 /* clear to send dropped */
#define RTSDROP 112 /* ready to send dropped */
#define STXDROP 113 /* secondary transmit dropped */
#define SRXDROP 114 /* secondary recieve dropped */
#define RATEDROP 115 /* rate signal dropped */
/* Defines for filters and intena in portstat */
#define MDM_OFF 0
#define MDM_ON 1
/* Modem on/off flags */
#define MMOD_OFF 0
#define MMOD_ON 1
/* defintions for DL interface */
#define MPDLBUFSIZE 1024
/* mpdlioctl command defines */
struct protports {
char protoport[MPMAXPORT];
};
struct abdcf {
short xmtbsz; /* transmit buffer size - should */
/* equal # of chars in a cblock */
};
struct bdcf {
char loadname[NMPPROTO+1];
char protoports[MPMAXPORT];
char fccstimer; /* powerfail timer */
char fccsports; /* ports to affect */
char fccssoc; /* ports which will 'switch on close' */
};
/* These ioctls are for the dlmpcc command */
#define MPIOPORTMAP _IOW('m',1, struct protports)
#define MPIOHILO _IOW('m',3, short)
#define MPIOENDCODE _IO('m',4)
#define MPIOASYNCNF _IOW('m',7, struct abdcf)
#define MPIOENDDL _IO('m',10)
#define MPIOSTARTDL _IO('m',11)
#define MPIORESETBOARD _IO('m',12)
/* mpdlwrite opcode defines */
#define MPDLCMD_NORMAL 1
/* error messages printed at console , board & port # filled in later */
#define A_INVSTS "Invalid Status Event "
#define A_INVCMD "Invalid Event From the MPCC "
#define A_NORBUF "No More Available Receive Buffers "
#define A_NOEBUF "No More Available Event Buffers "
#define A_OVRN "Overrun Error Detected "
#define A_OVRF "Overflow Error Detected "
#define A_NOXBUF "No More Available Transmit Event Buffers "
#define A_XSIZE "Transmit Data Block Size Exceeds Event Data Buffer Size "
#define A_NOFREIN "No Available Inbound Entries to Send Close Event "
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.