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mirror of https://git.FreeBSD.org/src.git synced 2024-12-15 10:17:20 +00:00
freebsd/usr.sbin/sicontrol/sicontrol.c
David E. O'Brien 1a37aa566b Add `_PATH_DEVZERO'.
Use _PATH_* where where possible.
2000-12-09 09:35:55 +00:00

573 lines
14 KiB
C

/*
* Device driver for Specialix range (SLXOS) of serial line multiplexors.
* SLXOS configuration and debug interface
*
* Copyright (C) 1990, 1992 Specialix International,
* Copyright (C) 1993, Andy Rutter <andy@acronym.co.uk>
* Copyright (C) 1995, Peter Wemm <peter@haywire.dialix.com>
*
* Derived from: SunOS 4.x version
*
* 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
* notices, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notices, 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 Andy Rutter of
* Advanced Methods and Tools Ltd. based on original information
* from Specialix International.
* 4. Neither the name of Advanced Methods and Tools, nor Specialix
* International may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY ``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 AUTHORS BE LIABLE.
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <ctype.h>
#include <err.h>
#include <fcntl.h>
#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/tty.h>
#include <dev/si/si.h>
struct lv {
char *lv_name;
int lv_bit;
} lv[] = {
{"entry", DBG_ENTRY},
{"open", DBG_OPEN},
{"close", DBG_CLOSE},
{"read", DBG_READ},
{"write", DBG_WRITE},
{"param", DBG_PARAM},
{"modem", DBG_MODEM},
{"select", DBG_SELECT},
{"optim", DBG_OPTIM},
{"intr", DBG_INTR},
{"start", DBG_START},
{"lstart", DBG_LSTART},
{"ioctl", DBG_IOCTL},
{"fail", DBG_FAIL},
{"autoboot", DBG_AUTOBOOT},
{"download", DBG_DOWNLOAD},
{"drain", DBG_DRAIN},
{"poll", DBG_POLL},
{0, 0}
};
static int alldev = 0;
void ccb_stat(int, char **);
void debug(int, char **);
void dostat(void);
int getnum(char *);
int islevel(char *);
int lvls2bits(char *);
void mstate(int, char **);
void nport(int, char **);
void onoff(int, char **, int, char *, char *, int);
int opencontrol(void);
void prlevels(int);
void prusage(int, int);
void rxint(int, char **);
void tty_stat(int, char **);
void txint(int, char **);
struct opt {
char *o_name;
void (*o_func)(int, char **);
} opt[] = {
{"debug", debug},
{"rxint_throttle", rxint},
{"int_throttle", txint},
{"nport", nport},
{"mstate", mstate},
{"ccbstat", ccb_stat},
{"ttystat", tty_stat},
{0, 0}
};
struct stat_list {
void (*st_func)(int, char **);
} stat_list[] = {
{mstate},
{0}
};
#define U_DEBUG 0
#define U_TXINT 1
#define U_RXINT 2
#define U_NPORT 3
#define U_MSTATE 4
#define U_STAT_CCB 5
#define U_STAT_TTY 6
#define U_MAX 7
#define U_ALL -1
char *usage[] = {
"debug [[add|del|set debug_levels] | [off]]\n",
"int_throttle [newvalue]\n",
"rxint_throttle [newvalue]\n",
"nport\n",
"mstate\n",
"ccbstat\n",
"ttystat\n",
0
};
int ctlfd;
char *Devname;
struct si_tcsi tc;
int
main(int argc, char **argv)
{
struct opt *op;
void (*func)(int, char **) = NULL;
if (argc < 2)
prusage(U_ALL, 1);
Devname = argv[1];
if (strcmp(Devname, "-") == 0) {
alldev = 1;
} else {
sidev_t dev;
struct stat st;
if (strchr(Devname, '/') == NULL) {
char *acp = malloc(6 + strlen(Devname));
strcpy(acp, _PATH_DEV);
strcat(acp, Devname);
Devname = acp;
}
if (stat(Devname, &st) < 0)
errx(1, "can't stat %s", Devname);
dev.sid_card = SI_CARD(minor(st.st_rdev));
dev.sid_port = SI_PORT(minor(st.st_rdev));
tc.tc_dev = dev;
}
ctlfd = opencontrol();
if (argc == 2) {
dostat();
exit(0);
}
argc--; argv++;
for (op = opt; op->o_name; op++) {
if (strcmp(argv[1], op->o_name) == 0) {
func = op->o_func;
break;
}
}
if (func == NULL)
prusage(U_ALL, 1);
argc -= 2;
argv += 2;
(*func)(argc, argv);
exit(0);
}
int
opencontrol(void)
{
int fd;
fd = open(CONTROLDEV, O_RDWR|O_NDELAY);
if (fd < 0)
err(1, "open on %s", CONTROLDEV);
return(fd);
}
/*
* Print a usage message - this relies on U_DEBUG==0 and U_BOOT==1.
* Don't print the DEBUG usage string unless explicity requested.
*/
void
prusage(int strn, int eflag)
{
char **cp;
if (strn == U_ALL) {
fprintf(stderr, "usage: sicontrol %s", usage[1]);
fprintf(stderr, " sicontrol %s", usage[2]);
fprintf(stderr, " sicontrol %s", usage[3]);
fprintf(stderr, " sicontrol devname %s", usage[4]);
for (cp = &usage[5]; *cp; cp++)
fprintf(stderr, " sicontrol devname %s", *cp);
}
else if (strn >= 0 && strn <= U_MAX)
fprintf(stderr, "usage: sicontrol devname %s", usage[strn]);
else
fprintf(stderr, "sicontrol: usage ???\n");
exit(eflag);
}
/* print port status */
void
dostat(void)
{
char *av[1], *acp;
struct stat_list *stp;
struct si_tcsi stc;
int donefirst = 0;
printf("%s: ", alldev ? "ALL" : Devname);
acp = malloc(strlen(Devname) + 3);
memset(acp, ' ', strlen(Devname));
strcat(acp, " ");
stc = tc;
for (stp = stat_list; stp->st_func != NULL; stp++) {
if (donefirst)
fputs(acp, stdout);
else
donefirst++;
av[0] = NULL;
tc = stc;
(*stp->st_func)(-1, av);
}
}
/*
* debug
* debug [[set|add|del debug_lvls] | [off]]
*/
void
debug(int ac, char **av)
{
int level;
if (ac > 2)
prusage(U_DEBUG, 1);
if (alldev) {
if (ioctl(ctlfd, TCSIGDBG_ALL, &tc.tc_dbglvl) < 0)
err(1, "TCSIGDBG_ALL on %s", Devname);
} else {
if (ioctl(ctlfd, TCSIGDBG_LEVEL, &tc) < 0)
err(1, "TCSIGDBG_LEVEL on %s", Devname);
}
switch (ac) {
case 0:
printf("%s: debug levels - ", Devname);
prlevels(tc.tc_dbglvl);
return;
case 1:
if (strcmp(av[0], "off") == 0) {
tc.tc_dbglvl = 0;
break;
}
prusage(U_DEBUG, 1);
/* no return */
case 2:
level = lvls2bits(av[1]);
if (strcmp(av[0], "add") == 0)
tc.tc_dbglvl |= level;
else if (strcmp(av[0], "del") == 0)
tc.tc_dbglvl &= ~level;
else if (strcmp(av[0], "set") == 0)
tc.tc_dbglvl = level;
else
prusage(U_DEBUG, 1);
}
if (alldev) {
if (ioctl(ctlfd, TCSISDBG_ALL, &tc.tc_dbglvl) < 0)
err(1, "TCSISDBG_ALL on %s", Devname);
} else {
if (ioctl(ctlfd, TCSISDBG_LEVEL, &tc) < 0)
err(1, "TCSISDBG_LEVEL on %s", Devname);
}
}
void
rxint(int ac, char **av)
{
tc.tc_port = 0;
switch (ac) {
case 0:
printf("%s: ", Devname);
case -1:
if (ioctl(ctlfd, TCSIGRXIT, &tc) < 0)
err(1, "TCSIGRXIT");
printf("RX interrupt throttle: %d msec\n", tc.tc_int*10);
break;
case 1:
tc.tc_int = getnum(av[0]) / 10;
if (tc.tc_int == 0)
tc.tc_int = 1;
if (ioctl(ctlfd, TCSIRXIT, &tc) < 0)
err(1, "TCSIRXIT on %s at %d msec",
Devname, tc.tc_int*10);
break;
default:
prusage(U_RXINT, 1);
}
}
void
txint(int ac, char **av)
{
tc.tc_port = 0;
switch (ac) {
case 0:
printf("%s: ", Devname);
case -1:
if (ioctl(ctlfd, TCSIGIT, &tc) < 0)
err(1, "TCSIGIT");
printf("aggregate interrupt throttle: %d\n", tc.tc_int);
break;
case 1:
tc.tc_int = getnum(av[0]);
if (ioctl(ctlfd, TCSIIT, &tc) < 0)
err(1, "TCSIIT on %s at %d", Devname, tc.tc_int);
break;
default:
prusage(U_TXINT, 1);
}
}
void
onoff(int ac, char **av, int cmd, char *cmdstr, char *prstr, int usage)
{
if (ac > 1)
prusage(usage, 1);
if (ac == 1) {
if (strcmp(av[0], "on") == 0)
tc.tc_int = 1;
else if (strcmp(av[0], "off") == 0)
tc.tc_int = 0;
else
prusage(usage, 1);
} else
tc.tc_int = -1;
if (ioctl(ctlfd, cmd, &tc) < 0)
err(1, "%s on %s", cmdstr, Devname);
switch (ac) {
case 0:
printf("%s: ", Devname);
case -1:
printf("%s ", prstr);
if (tc.tc_int)
printf("on\n");
else
printf("off\n");
}
}
void
mstate(int ac, char **av)
{
switch (ac) {
case 0:
printf("%s: ", Devname);
case -1:
break;
default:
prusage(U_MSTATE, 1);
}
if (ioctl(ctlfd, TCSISTATE, &tc) < 0)
err(1, "TCSISTATE on %s", Devname);
printf("modem bits state - (0x%x)", tc.tc_int);
if (tc.tc_int & IP_DCD) printf(" DCD");
if (tc.tc_int & IP_DTR) printf(" DTR");
if (tc.tc_int & IP_RTS) printf(" RTS");
printf("\n");
}
void
nport(int ac, char **av)
{
int ports;
if (ac != 0)
prusage(U_NPORT, 1);
if (ioctl(ctlfd, TCSIPORTS, &ports) < 0)
err(1, "TCSIPORTS on %s", Devname);
printf("SLXOS: total of %d ports\n", ports);
}
void
ccb_stat(int ac, char **av)
{
struct si_pstat sip;
#define CCB sip.tc_ccb
if (ac != 0)
prusage(U_STAT_CCB, 1);
sip.tc_dev = tc.tc_dev;
if (ioctl(ctlfd, TCSI_CCB, &sip) < 0)
err(1, "TCSI_CCB on %s", Devname);
printf("%s: ", Devname);
/* WORD next - Next Channel */
/* WORD addr_uart - Uart address */
/* WORD module - address of module struct */
printf("\tuart_type 0x%x\n", CCB.type); /* BYTE type - Uart type */
/* BYTE fill - */
printf("\tx_status 0x%x\n", CCB.x_status); /* BYTE x_status - XON / XOFF status */
printf("\tc_status 0x%x\n", CCB.c_status); /* BYTE c_status - cooking status */
printf("\thi_rxipos 0x%x\n", CCB.hi_rxipos); /* BYTE hi_rxipos - stuff into rx buff */
printf("\thi_rxopos 0x%x\n", CCB.hi_rxopos); /* BYTE hi_rxopos - stuff out of rx buffer */
printf("\thi_txopos 0x%x\n", CCB.hi_txopos); /* BYTE hi_txopos - Stuff into tx ptr */
printf("\thi_txipos 0x%x\n", CCB.hi_txipos); /* BYTE hi_txipos - ditto out */
printf("\thi_stat 0x%x\n", CCB.hi_stat); /* BYTE hi_stat - Command register */
printf("\tdsr_bit 0x%x\n", CCB.dsr_bit); /* BYTE dsr_bit - Magic bit for DSR */
printf("\ttxon 0x%x\n", CCB.txon); /* BYTE txon - TX XON char */
printf("\ttxoff 0x%x\n", CCB.txoff); /* BYTE txoff - ditto XOFF */
printf("\trxon 0x%x\n", CCB.rxon); /* BYTE rxon - RX XON char */
printf("\trxoff 0x%x\n", CCB.rxoff); /* BYTE rxoff - ditto XOFF */
printf("\thi_mr1 0x%x\n", CCB.hi_mr1); /* BYTE hi_mr1 - mode 1 image */
printf("\thi_mr2 0x%x\n", CCB.hi_mr2); /* BYTE hi_mr2 - mode 2 image */
printf("\thi_csr 0x%x\n", CCB.hi_csr); /* BYTE hi_csr - clock register */
printf("\thi_op 0x%x\n", CCB.hi_op); /* BYTE hi_op - Op control */
printf("\thi_ip 0x%x\n", CCB.hi_ip); /* BYTE hi_ip - Input pins */
printf("\thi_state 0x%x\n", CCB.hi_state); /* BYTE hi_state - status */
printf("\thi_prtcl 0x%x\n", CCB.hi_prtcl); /* BYTE hi_prtcl - Protocol */
printf("\thi_txon 0x%x\n", CCB.hi_txon); /* BYTE hi_txon - host copy tx xon stuff */
printf("\thi_txoff 0x%x\n", CCB.hi_txoff); /* BYTE hi_txoff - */
printf("\thi_rxon 0x%x\n", CCB.hi_rxon); /* BYTE hi_rxon - */
printf("\thi_rxoff 0x%x\n", CCB.hi_rxoff); /* BYTE hi_rxoff - */
printf("\tclose_prev 0x%x\n", CCB.close_prev); /* BYTE close_prev - Was channel previously closed */
printf("\thi_break 0x%x\n", CCB.hi_break); /* BYTE hi_break - host copy break process */
printf("\tbreak_state 0x%x\n", CCB.break_state); /* BYTE break_state - local copy ditto */
printf("\thi_mask 0x%x\n", CCB.hi_mask); /* BYTE hi_mask - Mask for CS7 etc. */
printf("\tmask_z280 0x%x\n", CCB.mask_z280); /* BYTE mask_z280 - Z280's copy */
/* BYTE res[0x60 - 36] - */
/* BYTE hi_txbuf[SLXOS_BUFFERSIZE] - */
/* BYTE hi_rxbuf[SLXOS_BUFFERSIZE] - */
/* BYTE res1[0xA0] - */
}
void
tty_stat(int ac, char **av)
{
struct si_pstat sip;
#define TTY sip.tc_tty
if (ac != 0)
prusage(U_STAT_TTY, 1);
sip.tc_dev = tc.tc_dev;
if (ioctl(ctlfd, TCSI_TTY, &sip) < 0)
err(1, "TCSI_TTY on %s", Devname);
printf("%s: ", Devname);
printf("\tt_outq.c_cc %d.\n", TTY.t_outq.c_cc); /* struct clist t_outq */
printf("\tt_dev 0x%x\n", TTY.t_dev); /* dev_t t_dev */
printf("\tt_flags 0x%x\n", TTY.t_flags); /* int t_flags */
printf("\tt_state 0x%x\n", TTY.t_state); /* int t_state */
printf("\tt_ihiwat %d.\n", TTY.t_ihiwat); /* int t_ihiwat */
printf("\tt_ilowat %d.\n", TTY.t_ilowat); /* int t_ilowat */
printf("\tt_ohiwat %d.\n", TTY.t_ohiwat); /* int t_ohiwat */
printf("\tt_olowat %d.\n", TTY.t_olowat); /* int t_olowat */
printf("\tt_iflag 0x%x\n", TTY.t_iflag); /* t_iflag */
printf("\tt_oflag 0x%x\n", TTY.t_oflag); /* t_oflag */
printf("\tt_cflag 0x%x\n", TTY.t_cflag); /* t_cflag */
printf("\tt_lflag 0x%x\n", TTY.t_lflag); /* t_lflag */
printf("\tt_cc %p\n", (void *)TTY.t_cc); /* t_cc */
printf("\tt_termios.c_ispeed 0x%x\n", TTY.t_termios.c_ispeed); /* t_termios.c_ispeed */
printf("\tt_termios.c_ospeed 0x%x\n", TTY.t_termios.c_ospeed); /* t_termios.c_ospeed */
}
int
islevel(char *tk)
{
struct lv *lvp;
char *acp;
for (acp = tk; *acp; acp++)
if (isupper(*acp))
*acp = tolower(*acp);
for (lvp = lv; lvp->lv_name; lvp++)
if (strcmp(lvp->lv_name, tk) == 0)
return(lvp->lv_bit);
return(0);
}
/*
* Convert a string consisting of tokens separated by white space, commas
* or `|' into a bitfield - flag any unrecognised tokens.
*/
int
lvls2bits(char *str)
{
int i, bits = 0;
int errflag = 0;
char token[20];
while (sscanf(str, "%[^,| \t]", token) == 1) {
str += strlen(token);
while (isspace(*str) || *str==',' || *str=='|')
str++;
if (strcmp(token, "all") == 0)
return(0xffffffff);
if ((i = islevel(token)) == 0) {
warnx("unknown token '%s'", token);
errflag++;
} else
bits |= i;
}
if (errflag)
exit(1);
return(bits);
}
int
getnum(char *str)
{
int x;
char *acp = str;
x = 0;
while (*acp) {
if (!isdigit(*acp))
errx(1, "%s is not a number", str);
x *= 10;
x += (*acp - '0');
acp++;
}
return(x);
}
void
prlevels(int x)
{
struct lv *lvp;
switch (x) {
case 0:
printf("(none)\n");
break;
case 0xffffffff:
printf("all\n");
break;
default:
for (lvp = lv; lvp->lv_name; lvp++)
if (x & lvp->lv_bit)
printf(" %s", lvp->lv_name);
printf("\n");
}
}