1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* 30*0Sstevel@tonic-gate * Initialize and re-initialize synchronous serial clocking and loopback 31*0Sstevel@tonic-gate * options. Interfaces through the S_IOCGETMODE and S_IOCSETMODE ioctls. 32*0Sstevel@tonic-gate */ 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #include <sys/types.h> 35*0Sstevel@tonic-gate #include <ctype.h> 36*0Sstevel@tonic-gate #include <sys/ioctl.h> 37*0Sstevel@tonic-gate #include <stdio.h> 38*0Sstevel@tonic-gate #include <stdlib.h> 39*0Sstevel@tonic-gate #include <unistd.h> 40*0Sstevel@tonic-gate #include <string.h> 41*0Sstevel@tonic-gate #include <sys/stream.h> 42*0Sstevel@tonic-gate #include <sys/stropts.h> 43*0Sstevel@tonic-gate #include <fcntl.h> 44*0Sstevel@tonic-gate #include <errno.h> 45*0Sstevel@tonic-gate #include <sys/ser_sync.h> 46*0Sstevel@tonic-gate #include <libdlpi.h> 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate static void usage(void); 49*0Sstevel@tonic-gate static int prefix(char *arg, char *pref); 50*0Sstevel@tonic-gate static int lookup(char **table, char *arg); 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate static char *yesno[] = { 53*0Sstevel@tonic-gate "no", 54*0Sstevel@tonic-gate "yes", 55*0Sstevel@tonic-gate "silent", 56*0Sstevel@tonic-gate 0, 57*0Sstevel@tonic-gate }; 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate static char *txnames[] = { 60*0Sstevel@tonic-gate "txc", 61*0Sstevel@tonic-gate "rxc", 62*0Sstevel@tonic-gate "baud", 63*0Sstevel@tonic-gate "pll", 64*0Sstevel@tonic-gate "sysclk", 65*0Sstevel@tonic-gate "-txc", 66*0Sstevel@tonic-gate 0, 67*0Sstevel@tonic-gate }; 68*0Sstevel@tonic-gate 69*0Sstevel@tonic-gate static char *rxnames[] = { 70*0Sstevel@tonic-gate "rxc", 71*0Sstevel@tonic-gate "txc", 72*0Sstevel@tonic-gate "baud", 73*0Sstevel@tonic-gate "pll", 74*0Sstevel@tonic-gate "sysclk", 75*0Sstevel@tonic-gate "-rxc", 76*0Sstevel@tonic-gate 0, 77*0Sstevel@tonic-gate }; 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate #ifdef notdef 80*0Sstevel@tonic-gate static char *txdnames[] = { 81*0Sstevel@tonic-gate "txd", 82*0Sstevel@tonic-gate " ", /* dummy entry, do not remove */ 83*0Sstevel@tonic-gate "-txd", 84*0Sstevel@tonic-gate 0, 85*0Sstevel@tonic-gate }; 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate static char *rxdnames[] = { 88*0Sstevel@tonic-gate "rxd", 89*0Sstevel@tonic-gate "-rxd", 90*0Sstevel@tonic-gate 0, 91*0Sstevel@tonic-gate }; 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate static char *portab[] = { 94*0Sstevel@tonic-gate "rs422", 95*0Sstevel@tonic-gate "v35", 96*0Sstevel@tonic-gate 0, 97*0Sstevel@tonic-gate }; 98*0Sstevel@tonic-gate #endif 99*0Sstevel@tonic-gate 100*0Sstevel@tonic-gate #define equal(a, b) (strcmp((a), (b)) == 0) 101*0Sstevel@tonic-gate #define MAXWAIT 15 102*0Sstevel@tonic-gate 103*0Sstevel@tonic-gate int 104*0Sstevel@tonic-gate main(int argc, char **argv) 105*0Sstevel@tonic-gate { 106*0Sstevel@tonic-gate char cnambuf[MAXPATHLEN]; 107*0Sstevel@tonic-gate struct scc_mode sm; 108*0Sstevel@tonic-gate struct strioctl sioc; 109*0Sstevel@tonic-gate int fd, speed; 110*0Sstevel@tonic-gate char *arg, *cp; 111*0Sstevel@tonic-gate char loopchange = 0; 112*0Sstevel@tonic-gate char echochange = 0; 113*0Sstevel@tonic-gate char clockchange = 0; 114*0Sstevel@tonic-gate char *devstr = "/dev/"; 115*0Sstevel@tonic-gate int devstrlen; 116*0Sstevel@tonic-gate ulong_t ppa; 117*0Sstevel@tonic-gate 118*0Sstevel@tonic-gate if (argc == 1) { 119*0Sstevel@tonic-gate usage(); 120*0Sstevel@tonic-gate exit(1); 121*0Sstevel@tonic-gate } 122*0Sstevel@tonic-gate argc--; 123*0Sstevel@tonic-gate argv++; 124*0Sstevel@tonic-gate devstrlen = strlen(devstr); 125*0Sstevel@tonic-gate if (strncmp(devstr, argv[0], devstrlen) != 0) { 126*0Sstevel@tonic-gate if (snprintf(cnambuf, sizeof (cnambuf), "%s%s", devstr, 127*0Sstevel@tonic-gate argv[0]) >= sizeof (cnambuf)) { 128*0Sstevel@tonic-gate (void) fprintf(stderr, 129*0Sstevel@tonic-gate "syncinit: invalid device name (too long) %s\n", 130*0Sstevel@tonic-gate argv[0]); 131*0Sstevel@tonic-gate exit(1); 132*0Sstevel@tonic-gate } 133*0Sstevel@tonic-gate } 134*0Sstevel@tonic-gate cp = cnambuf; 135*0Sstevel@tonic-gate while (*cp) /* find the end of the name */ 136*0Sstevel@tonic-gate cp++; 137*0Sstevel@tonic-gate cp--; 138*0Sstevel@tonic-gate if (!isdigit(*cp)) { 139*0Sstevel@tonic-gate (void) fprintf(stderr, 140*0Sstevel@tonic-gate "syncinit: %s missing minor device number\n", argv[0]); 141*0Sstevel@tonic-gate exit(1); 142*0Sstevel@tonic-gate } 143*0Sstevel@tonic-gate while (isdigit(*(cp - 1))) 144*0Sstevel@tonic-gate cp--; 145*0Sstevel@tonic-gate ppa = strtoul(cp, NULL, 10); 146*0Sstevel@tonic-gate *cp = '\0'; /* drop number, leaving name of clone device. */ 147*0Sstevel@tonic-gate fd = open(cnambuf, O_RDWR|O_EXCL, 0); 148*0Sstevel@tonic-gate if (fd < 0) { 149*0Sstevel@tonic-gate perror("syncinit: open"); 150*0Sstevel@tonic-gate exit(1); 151*0Sstevel@tonic-gate } 152*0Sstevel@tonic-gate 153*0Sstevel@tonic-gate if (dlpi_attach(fd, MAXWAIT, ppa) != 0) { 154*0Sstevel@tonic-gate perror("syncinit: dlpi_attach"); 155*0Sstevel@tonic-gate exit(1); 156*0Sstevel@tonic-gate } 157*0Sstevel@tonic-gate 158*0Sstevel@tonic-gate (void) printf("device: %s ppa: %d\n", cnambuf, (int)ppa); 159*0Sstevel@tonic-gate 160*0Sstevel@tonic-gate argc--; 161*0Sstevel@tonic-gate argv++; 162*0Sstevel@tonic-gate if (argc) { /* setting things */ 163*0Sstevel@tonic-gate sioc.ic_cmd = S_IOCGETMODE; 164*0Sstevel@tonic-gate sioc.ic_timout = -1; 165*0Sstevel@tonic-gate sioc.ic_len = sizeof (struct scc_mode); 166*0Sstevel@tonic-gate sioc.ic_dp = (char *)&sm; 167*0Sstevel@tonic-gate if (ioctl(fd, I_STR, &sioc) < 0) { 168*0Sstevel@tonic-gate perror("S_IOCGETMODE"); 169*0Sstevel@tonic-gate (void) fprintf(stderr, 170*0Sstevel@tonic-gate "syncinit: can't get sync mode info for %s\n", 171*0Sstevel@tonic-gate cnambuf); 172*0Sstevel@tonic-gate exit(1); 173*0Sstevel@tonic-gate } 174*0Sstevel@tonic-gate while (argc-- > 0) { 175*0Sstevel@tonic-gate arg = *argv++; 176*0Sstevel@tonic-gate if (sscanf(arg, "%d", &speed) == 1) 177*0Sstevel@tonic-gate sm.sm_baudrate = speed; 178*0Sstevel@tonic-gate else if (strchr(arg, '=')) { 179*0Sstevel@tonic-gate if (prefix(arg, "loop")) { 180*0Sstevel@tonic-gate if (lookup(yesno, arg)) 181*0Sstevel@tonic-gate sm.sm_config |= CONN_LPBK; 182*0Sstevel@tonic-gate else 183*0Sstevel@tonic-gate sm.sm_config &= ~CONN_LPBK; 184*0Sstevel@tonic-gate loopchange++; 185*0Sstevel@tonic-gate } else if (prefix(arg, "echo")) { 186*0Sstevel@tonic-gate if (lookup(yesno, arg)) 187*0Sstevel@tonic-gate sm.sm_config |= CONN_ECHO; 188*0Sstevel@tonic-gate else 189*0Sstevel@tonic-gate sm.sm_config &= ~CONN_ECHO; 190*0Sstevel@tonic-gate echochange++; 191*0Sstevel@tonic-gate } else if (prefix(arg, "nrzi")) { 192*0Sstevel@tonic-gate if (lookup(yesno, arg)) 193*0Sstevel@tonic-gate sm.sm_config |= CONN_NRZI; 194*0Sstevel@tonic-gate else 195*0Sstevel@tonic-gate sm.sm_config &= ~CONN_NRZI; 196*0Sstevel@tonic-gate } else if (prefix(arg, "txc")) { 197*0Sstevel@tonic-gate sm.sm_txclock = lookup(txnames, arg); 198*0Sstevel@tonic-gate clockchange++; 199*0Sstevel@tonic-gate } else if (prefix(arg, "rxc")) { 200*0Sstevel@tonic-gate sm.sm_rxclock = lookup(rxnames, arg); 201*0Sstevel@tonic-gate clockchange++; 202*0Sstevel@tonic-gate } else if (prefix(arg, "speed")) { 203*0Sstevel@tonic-gate arg = strchr(arg, '=') + 1; 204*0Sstevel@tonic-gate if (sscanf(arg, "%d", &speed) == 1) { 205*0Sstevel@tonic-gate sm.sm_baudrate = speed; 206*0Sstevel@tonic-gate } else 207*0Sstevel@tonic-gate (void) fprintf(stderr, 208*0Sstevel@tonic-gate "syncinit: %s %s\n", 209*0Sstevel@tonic-gate "bad speed:", arg); 210*0Sstevel@tonic-gate } 211*0Sstevel@tonic-gate } else if (equal(arg, "external")) { 212*0Sstevel@tonic-gate sm.sm_txclock = TXC_IS_TXC; 213*0Sstevel@tonic-gate sm.sm_rxclock = RXC_IS_RXC; 214*0Sstevel@tonic-gate sm.sm_config &= ~CONN_LPBK; 215*0Sstevel@tonic-gate } else if (equal(arg, "sender")) { 216*0Sstevel@tonic-gate sm.sm_txclock = TXC_IS_BAUD; 217*0Sstevel@tonic-gate sm.sm_rxclock = RXC_IS_RXC; 218*0Sstevel@tonic-gate sm.sm_config &= ~CONN_LPBK; 219*0Sstevel@tonic-gate } else if (equal(arg, "internal")) { 220*0Sstevel@tonic-gate sm.sm_txclock = TXC_IS_PLL; 221*0Sstevel@tonic-gate sm.sm_rxclock = RXC_IS_PLL; 222*0Sstevel@tonic-gate sm.sm_config &= ~CONN_LPBK; 223*0Sstevel@tonic-gate } else if (equal(arg, "stop")) { 224*0Sstevel@tonic-gate sm.sm_baudrate = 0; 225*0Sstevel@tonic-gate } else 226*0Sstevel@tonic-gate (void) fprintf(stderr, "Bad arg: %s\n", arg); 227*0Sstevel@tonic-gate } 228*0Sstevel@tonic-gate 229*0Sstevel@tonic-gate /* 230*0Sstevel@tonic-gate * If we're going to change the state of loopback, and we 231*0Sstevel@tonic-gate * don't have our own plans for clock sources, use defaults. 232*0Sstevel@tonic-gate */ 233*0Sstevel@tonic-gate if (loopchange && !clockchange) { 234*0Sstevel@tonic-gate if (sm.sm_config & CONN_LPBK) { 235*0Sstevel@tonic-gate sm.sm_txclock = TXC_IS_BAUD; 236*0Sstevel@tonic-gate sm.sm_rxclock = RXC_IS_BAUD; 237*0Sstevel@tonic-gate } else { 238*0Sstevel@tonic-gate sm.sm_txclock = TXC_IS_TXC; 239*0Sstevel@tonic-gate sm.sm_rxclock = RXC_IS_RXC; 240*0Sstevel@tonic-gate } 241*0Sstevel@tonic-gate } 242*0Sstevel@tonic-gate sioc.ic_cmd = S_IOCSETMODE; 243*0Sstevel@tonic-gate sioc.ic_timout = -1; 244*0Sstevel@tonic-gate sioc.ic_len = sizeof (struct scc_mode); 245*0Sstevel@tonic-gate sioc.ic_dp = (char *)&sm; 246*0Sstevel@tonic-gate if (ioctl(fd, I_STR, &sioc) < 0) { 247*0Sstevel@tonic-gate perror("S_IOCSETMODE"); 248*0Sstevel@tonic-gate (void) ioctl(fd, S_IOCGETMODE, &sm); 249*0Sstevel@tonic-gate (void) fprintf(stderr, 250*0Sstevel@tonic-gate "syncinit: ioctl failure code = %x\n", 251*0Sstevel@tonic-gate sm.sm_retval); 252*0Sstevel@tonic-gate exit(1); 253*0Sstevel@tonic-gate } 254*0Sstevel@tonic-gate } 255*0Sstevel@tonic-gate 256*0Sstevel@tonic-gate /* Report State */ 257*0Sstevel@tonic-gate sioc.ic_cmd = S_IOCGETMODE; 258*0Sstevel@tonic-gate sioc.ic_timout = -1; 259*0Sstevel@tonic-gate sioc.ic_len = sizeof (struct scc_mode); 260*0Sstevel@tonic-gate sioc.ic_dp = (char *)&sm; 261*0Sstevel@tonic-gate if (ioctl(fd, I_STR, &sioc) < 0) { 262*0Sstevel@tonic-gate perror("S_IOCGETMODE"); 263*0Sstevel@tonic-gate (void) fprintf(stderr, 264*0Sstevel@tonic-gate "syncinit: can't get sync mode info for %s\n", 265*0Sstevel@tonic-gate cnambuf); 266*0Sstevel@tonic-gate exit(1); 267*0Sstevel@tonic-gate } 268*0Sstevel@tonic-gate (void) printf( 269*0Sstevel@tonic-gate "speed=%d, loopback=%s, echo=%s, nrzi=%s, txc=%s, rxc=%s\n", 270*0Sstevel@tonic-gate sm.sm_baudrate, 271*0Sstevel@tonic-gate yesno[((int)(sm.sm_config & CONN_LPBK) > 0)], 272*0Sstevel@tonic-gate yesno[((int)(sm.sm_config & CONN_ECHO) > 0)], 273*0Sstevel@tonic-gate yesno[((int)(sm.sm_config & CONN_NRZI) > 0)], 274*0Sstevel@tonic-gate txnames[sm.sm_txclock], 275*0Sstevel@tonic-gate rxnames[sm.sm_rxclock]); 276*0Sstevel@tonic-gate return (0); 277*0Sstevel@tonic-gate } 278*0Sstevel@tonic-gate 279*0Sstevel@tonic-gate static void 280*0Sstevel@tonic-gate usage() 281*0Sstevel@tonic-gate { 282*0Sstevel@tonic-gate (void) fprintf(stderr, "Usage: syncinit cnambuf \\\n"); 283*0Sstevel@tonic-gate (void) fprintf(stderr, "\t[baudrate] [loopback=[yes|no]] "); 284*0Sstevel@tonic-gate (void) fprintf(stderr, "[echo=[yes|no]] [nrzi=[yes|no]] \\\n"); 285*0Sstevel@tonic-gate (void) fprintf(stderr, "\t[txc=[txc|rxc|baud|pll]] \\\n"); 286*0Sstevel@tonic-gate (void) fprintf(stderr, "\t[rxc=[rxc|txc|baud|pll]]\n"); 287*0Sstevel@tonic-gate exit(1); 288*0Sstevel@tonic-gate } 289*0Sstevel@tonic-gate 290*0Sstevel@tonic-gate static int 291*0Sstevel@tonic-gate prefix(char *arg, char *pref) 292*0Sstevel@tonic-gate { 293*0Sstevel@tonic-gate return (strncmp(arg, pref, strlen(pref)) == 0); 294*0Sstevel@tonic-gate } 295*0Sstevel@tonic-gate 296*0Sstevel@tonic-gate static int 297*0Sstevel@tonic-gate lookup(char **table, char *arg) 298*0Sstevel@tonic-gate { 299*0Sstevel@tonic-gate char *val = strchr(arg, '=') + 1; 300*0Sstevel@tonic-gate int ival; 301*0Sstevel@tonic-gate 302*0Sstevel@tonic-gate for (ival = 0; *table != 0; ival++, table++) 303*0Sstevel@tonic-gate if (equal(*table, val)) 304*0Sstevel@tonic-gate return (ival); 305*0Sstevel@tonic-gate (void) fprintf(stderr, "syncinit: bad arg: %s\n", arg); 306*0Sstevel@tonic-gate exit(1); 307*0Sstevel@tonic-gate /* NOTREACHED */ 308*0Sstevel@tonic-gate } 309