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Diffstat (limited to 'usr.sbin/xntpd/xntpd/refclock_new/refclock_datum.c')
-rw-r--r--usr.sbin/xntpd/xntpd/refclock_new/refclock_datum.c593
1 files changed, 0 insertions, 593 deletions
diff --git a/usr.sbin/xntpd/xntpd/refclock_new/refclock_datum.c b/usr.sbin/xntpd/xntpd/refclock_new/refclock_datum.c
deleted file mode 100644
index 2ce53a7d2c43..000000000000
--- a/usr.sbin/xntpd/xntpd/refclock_new/refclock_datum.c
+++ /dev/null
@@ -1,593 +0,0 @@
-/*
- * refclock_datum.c - clock driver for the Datum/Bancomm
- * bc635VME Time and Frequency Processor.
- * R. Schmidt, Time Service, US Naval Obs. May 94
- * modelled after the TPRO NTP driver.
- *
- * This requires the Datum HP-UX V9.01 kernel driver and the HP-UX vme2
- * driver subsystem. It has been tested on an HP9000/747i at HP-UX 9.03.
- * There are no restrictions on release and use of the following code.
- * The refclock type has been defined as 16.
- */
-#if defined(REFCLOCK) && defined(DATUM)
-#include <stdio.h>
-#include <syslog.h>
-#include <ctype.h>
-#include <string.h>
-#include <strings.h>
-#include <sys/time.h>
-
-#include "ntpd.h"
-#include "ntp_io.h"
-#include "ntp_refclock.h"
-#include "ntp_unixtime.h"
-#include "/etc/conf/machine/vme2.h"
-#include "/etc/conf/h/io.h"
-#include "ntp_datum.h"
-#include "ntp_stdlib.h"
-
-/*
- * Definitions
- */
-#define MAXUNITS 1 /* max number of VME units */
-#define BMAX 50 /* timecode buffer length */
-
-/*
- * VME interface parameters. The "IRIG" can be changed to "GPS" for the
- * VME-GPS.
- */
-#define VMEPRECISION (-21) /* precision assumed (1 us) */
-#define VMEREFID "IRIG" /* reference id */
-#define VMEDESCRIPTION "Datum/ VME IRIG-B Reader" /* who we are */
-#define VMEHSREFID 0x7f7f1000 /* 127.127.16.00 refid hi strata */
-#define GMT 0 /* hour offset from Greenwich */
-
-/*
- * Imported from ntp_timer module
- */
-extern u_long current_time; /* current time (s) */
-
-/*
- * Imported from ntpd module
- */
-extern int debug; /* global debug flag */
-
-/*
- * VME unit control structure.
- */
-struct vmeunit {
- struct peer *peer; /* associated peer structure */
- struct refclockio io; /* given to the I/O handler */
- struct vmedate vmedata; /* data returned from vme read */
- l_fp lastrec; /* last local time */
- l_fp lastref; /* last timecode time */
- char lastcode[BMAX]; /* last timecode received */
- u_short lencode; /* length of last timecode */
- u_long lasttime; /* last time clock heard from */
- u_short unit; /* unit number for this guy */
- u_short status; /* clock status */
- u_short lastevent; /* last clock event */
- u_short year; /* year of eternity */
- u_short day; /* day of year */
- u_short hour; /* hour of day */
- u_short minute; /* minute of hour */
- u_short second; /* seconds of minute */
- u_long usec; /* microsecond of second */
- u_long yearstart; /* start of current year */
- u_short leap; /* leap indicators */
- /*
- * Status tallies
- */
- u_long polls; /* polls sent */
- u_long noreply; /* no replies to polls */
- u_long coderecv; /* timecodes received */
- u_long badformat; /* bad format */
- u_long baddata; /* bad data */
- u_long timestarted; /* time we started this */
-};
-
-/*
- * Data space for the unit structures. Note that we allocate these on
- * the fly, but never give them back.
- */
-static struct vmeunit *vmeunits[MAXUNITS];
-static u_char unitinuse[MAXUNITS];
-
-/*
- * Keep the fudge factors separately so they can be set even
- * when no clock is configured.
- */
-static l_fp fudgefactor[MAXUNITS];
-static u_char stratumtouse[MAXUNITS];
-static u_char sloppyclockflag[MAXUNITS];
-
-/*
- * Function prototypes
- */
-static void vme_init P(());
-static int vme_start P((u_int, struct peer *));
-static void vme_shutdown P((int));
-static void vme_report_event P((struct vmeunit *, int));
-static void vme_receive P((struct recvbuf *));
-static void vme_poll P((int unit, struct peer *));
-static void vme_control P((u_int, struct refclockstat *, struct refclockstat *));
-static void vme_buginfo P((int, struct refclockbug *));
-struct vmedate *get_datumtime();
-
-/*
- * Transfer vector
- */
-struct refclock refclock_vme = {
- vme_start, vme_shutdown, vme_poll,
- vme_control, vme_init, vme_buginfo, NOFLAGS
-};
-
-int fd_vme; /* file descriptor for ioctls */
-int regvalue;
-
-/*
- * vme_init - initialize internal vme driver data
- */
-static void
-vme_init()
-{
- register int i;
- /*
- * Just zero the data arrays
- */
- /*
- bzero((char *)vmeunits, sizeof vmeunits);
- bzero((char *)unitinuse, sizeof unitinuse);
- */
-
- /*
- * Initialize fudge factors to default.
- */
- for (i = 0; i < MAXUNITS; i++) {
- fudgefactor[i].l_ui = 0;
- fudgefactor[i].l_uf = 0;
- stratumtouse[i] = 0;
- sloppyclockflag[i] = 0;
- }
-}
-
-/*
- * vme_start - open the VME device and initialize data for processing
- */
-static int
-vme_start(unit, peer)
- u_int unit;
- struct peer *peer;
-{
- register struct vmeunit *vme;
- register int i;
- int dummy;
- char vmedev[20];
-
- /*
- * Check configuration info.
- */
- if (unit >= MAXUNITS) {
- syslog(LOG_ERR, "vme_start: unit %d invalid", unit);
- return (0);
- }
- if (unitinuse[unit]) {
- syslog(LOG_ERR, "vme_start: unit %d in use", unit);
- return (0);
- }
-
- /*
- * Open VME device
- */
-
- if ( (fd_vme = open(VMEFD, O_RDWR)) < 0) {
- syslog(LOG_ERR, "vme_start: failed open of %s: %m", vmedev);
- return (0);
- }
- else { /* Release capture lockout in case it was set from before. */
- if( ioctl( fd_vme, RUNLOCK, &dummy ) )
- syslog(LOG_ERR, "vme_start: RUNLOCK failed %m");
-
- regvalue = 0; /* More esoteric stuff to do... */
- if( ioctl( fd_vme, WCR0, &regvalue ) )
- syslog(LOG_ERR, "vme_start: WCR0 failed %m");
- }
-
- /*
- * Allocate unit structure
- */
- if (vmeunits[unit] != 0) {
- vme = vmeunits[unit]; /* The one we want is okay */
- } else {
- for (i = 0; i < MAXUNITS; i++) {
- if (!unitinuse[i] && vmeunits[i] != 0)
- break;
- }
- if (i < MAXUNITS) {
- /*
- * Reclaim this one
- */
- vme = vmeunits[i];
- vmeunits[i] = 0;
- } else {
- vme = (struct vmeunit *)
- emalloc(sizeof(struct vmeunit));
- }
- }
- bzero((char *)vme, sizeof(struct vmeunit));
- vmeunits[unit] = vme;
-
- /*
- * Set up the structures
- */
- vme->peer = peer;
- vme->unit = (u_short)unit;
- vme->timestarted = current_time;
-
- vme->io.clock_recv = vme_receive;
- vme->io.srcclock = (caddr_t)vme;
- vme->io.datalen = 0;
- vme->io.fd = fd_vme;
-
- /*
- * All done. Initialize a few random peer variables, then
- * return success. Note that root delay and root dispersion are
- * always zero for this clock.
- */
- peer->precision = VMEPRECISION;
- peer->rootdelay = 0;
- peer->rootdispersion = 0;
- peer->stratum = stratumtouse[unit];
- if (stratumtouse[unit] <= 1)
- bcopy(VMEREFID, (char *)&peer->refid, 4);
- else
- peer->refid = htonl(VMEHSREFID);
- unitinuse[unit] = 1;
- return (1);
-}
-
-
-/*
- * vme_shutdown - shut down a VME clock
- */
-static void
-vme_shutdown(unit)
- int unit;
-{
- register struct vmeunit *vme;
-
- if (unit >= MAXUNITS) {
- syslog(LOG_ERR, "vme_shutdown: unit %d invalid", unit);
- return;
- }
- if (!unitinuse[unit]) {
- syslog(LOG_ERR, "vme_shutdown: unit %d not in use", unit);
- return;
- }
-
- /*
- * Tell the I/O module to turn us off. We're history.
- */
- vme = vmeunits[unit];
- io_closeclock(&vme->io);
- unitinuse[unit] = 0;
-}
-
-/*
- * vme_report_event - note the occurance of an event
- *
- * This routine presently just remembers the report and logs it, but
- * does nothing heroic for the trap handler.
- */
-static void
-vme_report_event(vme, code)
- struct vmeunit *vme;
- int code;
-{
- struct peer *peer;
-
- peer = vme->peer;
- if (vme->status != (u_short)code) {
- vme->status = (u_short)code;
- if (code != CEVNT_NOMINAL)
- vme->lastevent = (u_short)code;
- syslog(LOG_INFO,
- "clock %s event %x", ntoa(&peer->srcadr), code);
- }
-}
-
-
-/*
- * vme_receive - receive data from the VME device.
- *
- * Note: This interface would be interrupt-driven. We don't use that
- * now, but include a dummy routine for possible future adventures.
- */
-static void
-vme_receive(rbufp)
- struct recvbuf *rbufp;
-{
-}
-
-/*
- * vme_poll - called by the transmit procedure
- */
-static void
-vme_poll(unit, peer)
- int unit;
- struct peer *peer;
-{
- struct vmedate *tptr;
- struct vmeunit *vme;
- l_fp tstmp;
- time_t tloc;
- struct tm *tadr;
-
-
- vme = (struct vmeunit *)emalloc(sizeof(struct vmeunit *));
- tptr = (struct vmedate *)emalloc(sizeof(struct vmedate *));
-
-
- if (unit >= MAXUNITS) {
- syslog(LOG_ERR, "vme_poll: unit %d invalid", unit);
- return;
- }
- if (!unitinuse[unit]) {
- syslog(LOG_ERR, "vme_poll: unit %d not in use", unit);
- return;
- }
- vme = vmeunits[unit]; /* Here is the structure */
- vme->polls++;
-
- tptr = &vme->vmedata;
- if ((tptr = get_datumtime()) == NULL ) {
- vme_report_event(vme, CEVNT_BADREPLY);
- return;
- }
-
- gettstamp(&vme->lastrec);
- vme->lasttime = current_time;
-
- /*
- * Get VME time and convert to timestamp format.
- * The year must come from the system clock.
- */
-
- time(&tloc);
- tadr = gmtime(&tloc);
- tptr->year = (unsigned short)(tadr->tm_year + 1900);
-
- sprintf(vme->lastcode,
- "%3.3d %2.2d:%2.2d:%2.2d.%.6d %1d\0",
- tptr->doy, tptr->hr, tptr->mn,
- tptr->sec, tptr->frac, tptr->status);
-
- record_clock_stats(&(vme->peer->srcadr), vme->lastcode);
- vme->lencode = (u_short) strlen(vme->lastcode);
-
- vme->day = tptr->doy;
- vme->hour = tptr->hr;
- vme->minute = tptr->mn;
- vme->second = tptr->sec;
- vme->usec = tptr->frac;
-
-#ifdef DEBUG
- if (debug)
- printf("vme: %3d %02d:%02d:%02d.%06ld %1x\n",
- vme->day, vme->hour, vme->minute, vme->second,
- vme->usec, tptr->status);
-#endif
- if (tptr->status ) { /* Status 0 is locked to ref., 1 is not */
- vme_report_event(vme, CEVNT_BADREPLY);
- return;
- }
-
- /*
- * Now, compute the reference time value. Use the heavy
- * machinery for the seconds and the millisecond field for the
- * fraction when present. If an error in conversion to internal
- * format is found, the program declares bad data and exits.
- * Note that this code does not yet know how to do the years and
- * relies on the clock-calendar chip for sanity.
- */
- if (!clocktime(vme->day, vme->hour, vme->minute,
- vme->second, GMT, vme->lastrec.l_ui,
- &vme->yearstart, &vme->lastref.l_ui)) {
- vme->baddata++;
- vme_report_event(vme, CEVNT_BADTIME);
- syslog(LOG_ERR, "refclock_datum: bad data!!");
- return;
- }
- TVUTOTSF(vme->usec, vme->lastref.l_uf);
- tstmp = vme->lastref;
-
- L_SUB(&tstmp, &vme->lastrec);
- vme->coderecv++;
-
- L_ADD(&tstmp, &(fudgefactor[vme->unit]));
-
- refclock_receive(vme->peer, &tstmp, GMT, 0,
- &vme->lastrec, &vme->lastrec, vme->leap);
-}
-
-/*
- * vme_control - set fudge factors, return statistics
- */
-static void
-vme_control(unit, in, out)
- u_int unit;
- struct refclockstat *in;
- struct refclockstat *out;
-{
- register struct vmeunit *vme;
-
- if (unit >= MAXUNITS) {
- syslog(LOG_ERR, "vme_control: unit %d invalid)", unit);
- return;
- }
-
- if (in != 0) {
- if (in->haveflags & CLK_HAVETIME1)
- fudgefactor[unit] = in->fudgetime1;
- if (in->haveflags & CLK_HAVEVAL1) {
- stratumtouse[unit] = (u_char)(in->fudgeval1 & 0xf);
- if (unitinuse[unit]) {
- struct peer *peer;
-
- /*
- * Should actually reselect clock, but
- * will wait for the next timecode
- */
- vme = vmeunits[unit];
- peer = vme->peer;
- peer->stratum = stratumtouse[unit];
- if (stratumtouse[unit] <= 1)
- bcopy(VMEREFID, (char *)&peer->refid,
- 4);
- else
- peer->refid = htonl(VMEHSREFID);
- }
- }
- if (in->haveflags & CLK_HAVEFLAG1) {
- sloppyclockflag[unit] = in->flags & CLK_FLAG1;
- }
- }
-
- if (out != 0) {
-/* out->type = REFCLK_IRIG_VME; */
- out->type = 16; /* made up by RES */
- out->haveflags
- = CLK_HAVETIME1|CLK_HAVEVAL1|CLK_HAVEVAL2|CLK_HAVEFLAG1;
- out->clockdesc = VMEDESCRIPTION;
- out->fudgetime1 = fudgefactor[unit];
- out->fudgetime2.l_ui = 0;
- out->fudgetime2.l_uf = 0;
- out->fudgeval1 = (LONG)stratumtouse[unit];
- out->fudgeval2 = 0;
- out->flags = sloppyclockflag[unit];
- if (unitinuse[unit]) {
- vme = vmeunits[unit];
- out->lencode = vme->lencode;
- out->lastcode = vme->lastcode;
- out->timereset = current_time - vme->timestarted;
- out->polls = vme->polls;
- out->noresponse = vme->noreply;
- out->badformat = vme->badformat;
- out->baddata = vme->baddata;
- out->lastevent = vme->lastevent;
- out->currentstatus = vme->status;
- } else {
- out->lencode = 0;
- out->lastcode = "";
- out->polls = out->noresponse = 0;
- out->badformat = out->baddata = 0;
- out->timereset = 0;
- out->currentstatus = out->lastevent = CEVNT_NOMINAL;
- }
- }
-}
-
-/*
- * vme_buginfo - return clock dependent debugging info
- */
-static void
-vme_buginfo(unit, bug)
- int unit;
- register struct refclockbug *bug;
-{
- register struct vmeunit *vme;
-
- if (unit >= MAXUNITS) {
- syslog(LOG_ERR, "vme_buginfo: unit %d invalid)", unit);
- return;
- }
-
- if (!unitinuse[unit])
- return;
- vme = vmeunits[unit];
-
- bug->nvalues = 11;
- bug->ntimes = 5;
- if (vme->lasttime != 0)
- bug->values[0] = current_time - vme->lasttime;
- else
- bug->values[0] = 0;
- bug->values[2] = (u_long)vme->year;
- bug->values[3] = (u_long)vme->day;
- bug->values[4] = (u_long)vme->hour;
- bug->values[5] = (u_long)vme->minute;
- bug->values[6] = (u_long)vme->second;
- bug->values[7] = (u_long)vme->usec;
- bug->values[9] = vme->yearstart;
- bug->stimes = 0x1c;
- bug->times[0] = vme->lastref;
- bug->times[1] = vme->lastrec;
-}
-
-struct vmedate *get_datumtime()
-{
- unsigned short status;
- char cbuf[7];
- struct vmedate *time_vme;
- struct btfp_time vts;
- time_vme = (struct vmedate *)malloc(sizeof(struct vmedate ));
-
- if( ioctl(fd_vme, READTIME, &vts))
- syslog(LOG_ERR, "get_datumtime error: %m");
-
-/* sprintf converts BCD to ASCII */
-/* Get doy */
- sprintf(cbuf,"%3.3x\0", ((vts.btfp_time[ 0 ] & 0x000f) <<8) +
- ((vts.btfp_time[ 1 ] & 0xff00) >> 8));
-
- if (isdigit(cbuf[0]) && isdigit(cbuf[1]) && isdigit(cbuf[2]) )
- time_vme->doy = (unsigned short)atoi(cbuf);
- else
- time_vme->doy = (unsigned short) 0;
-
-/* Get hour */
- sprintf(cbuf,"%2.2x\0", vts.btfp_time[ 1 ] & 0x00ff);
-
- if (isdigit(cbuf[0]) && isdigit(cbuf[1]))
- time_vme->hr = (unsigned short)atoi(cbuf);
- else
- time_vme->hr = (unsigned short) 0;
-
-/* Get minutes */
- sprintf(cbuf,"%2.2x\0", (vts.btfp_time[ 2 ] & 0xff00) >>8);
- if (isdigit(cbuf[0]) && isdigit(cbuf[1]))
- time_vme->mn = (unsigned short)atoi(cbuf);
- else
- time_vme->mn = (unsigned short) 0;
-
-/* Get seconds */
- sprintf(cbuf,"%2.2x\0", vts.btfp_time[ 2 ] & 0x00ff);
-
- if (isdigit(cbuf[0]) && isdigit(cbuf[1]))
- time_vme->sec = (unsigned short)atoi(cbuf);
- else
- time_vme->sec = (unsigned short) 0;
-
-/* Get microseconds. Yes, we ignore the 0.1 microsecond digit so we can
-use the TVTOTSF function later on...*/
-
- sprintf(cbuf,"%4.4x%2.2x\0", vts.btfp_time[ 3 ],
- vts.btfp_time[ 4 ]>>8);
-
- if (isdigit(cbuf[0]) && isdigit(cbuf[1]) && isdigit(cbuf[2])
- && isdigit(cbuf[3]) && isdigit(cbuf[4]) && isdigit(cbuf[5]))
- time_vme->frac = (u_long) atoi(cbuf);
- else
- time_vme->frac = (u_long) 0;
-
-/* Get status bit */
- status = (vts.btfp_time[0] & 0x0010) >>4;
- time_vme->status = status; /* Status=0 if locked to ref. */
- /* Status=1 if flywheeling */
- if (status) { /* lost lock ? */
- return ((void *)NULL);
- }
- else
- return (time_vme);
-}
-#endif
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