diff options
author | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2014-07-06 18:04:32 +0200 |
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committer | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2014-07-06 18:04:32 +0200 |
commit | a7f89980e5b3f4b9a74c70dbc5ffe8aabd28be28 (patch) | |
tree | 41c4deec1fdfbafd7821b4ca7a9772ac0abd92f5 /util/iwdt.c |
Imported Upstream version 2.9.3upstream/2.9.3
Diffstat (limited to 'util/iwdt.c')
-rw-r--r-- | util/iwdt.c | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/util/iwdt.c b/util/iwdt.c new file mode 100644 index 0000000..96d21c0 --- /dev/null +++ b/util/iwdt.c @@ -0,0 +1,415 @@ +/* + * wdt.c + * + * This tool reads and enables the watchdog timer via IPMI. + * Note that there are other methods for doing this, and the + * standard interface is for the driver to expose a /dev/watchdog + * device interface. + * WARNING: If you enable the watchdog, make sure you have something + * set up to keep resetting the timer at regular intervals, or it + * will reset your system. + * The Intel Server Management software does this automatically, + * and also continues to reset the timer as long as it is running. + * + * Author: Andy Cress arcress at users.sourceforge.net + * Copyright (c) 2003-2006 Intel Corporation. + * Copyright (c) 2009 Kontron America, Inc. + * + * 02/25/03 Andy Cress - created + * 03/05/03 Andy Cress - added -d option to disable watchdog timer + * 06/11/03 Andy Cress - new ver 1.2 for EMSGSIZE fix + * 10/28/03 Andy Cress - fixed cc error in set_wdt (idata size), + * show action. + * 02/06/04 Andy Cress - added WIN32 flags + * 03/11/04 Andy Cress - 1.4 fixed cc=0xcc if pretimeout not zero. + * 05/05/04 Andy Cress - 1.5 call ipmi_close before exit + * 11/01/04 Andy Cress - 1.6 add -N / -R for remote nodes + * 11/16/04 Andy Cress - 1.7 add -U for remote username + * 12/02/04 Andy Cress - 1.8 add counter & pretimeout display in show_wdt + * added EFI ifdefs + * 04/13/06 Andy Cress - 1.9 fix -t if nsec > 255 + * 06/22/06 Andy Cress - 1.10 add -a action and -l dontlog options + * 06/25/08 Andy Cress - 2.13 add -p for pre-timeout action + */ +/*M* +Copyright (c) 2006, Intel Corporation +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + a.. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + b.. 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. + c.. Neither the name of Intel Corporation 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + *M*/ +#ifdef WIN32 +#include <windows.h> +#include <stdio.h> +#include <stdlib.h> +#include "getopt.h" +#elif defined(EFI) + // EFI: defined (EFI32) || defined (EFI64) || defined(EFIX64) + #ifndef NULL + #define NULL 0 + #endif + #include <types.h> + #include <libdbg.h> + #include <unistd.h> + #include <errno.h> +#elif defined(DOS) + #include <dos.h> + #include <stdio.h> + #include <stdlib.h> + #include <string.h> + #include "getopt.h" +#else +/* Linux, Solaris, BSD */ +#include <stdio.h> +#include <stdlib.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#if defined(HPUX) +/* getopt is defined in stdio.h */ +#elif defined(MACOS) +/* getopt is defined in unistd.h */ +#include <unistd.h> +#else +#include <getopt.h> +#endif +#endif +#include <string.h> +#include "ipmicmd.h" + +/* + * Global variables + */ +static char * progver = "2.93"; +static char * progname = "iwdt"; +static char fdebug = 0; +static char fdontlog = 0; +static char fcanonical = 0; +static char bdelim = BDELIM; /* '|' */ +static uchar action = 1; /* default is Hard Reset */ + /* 0 = "No action" + * 1 = "Hard Reset" + * 2 = "Power down" + * 3 = "Power cycle" */ +static uchar preaction = 0; /* default is None */ + /* 1 = "SMI " + * 2 = "NMI " + * 3 = "Messaging Interrupt" */ +static uchar pretime = 0; /* usually 30 second default pre-timeout */ +static uchar ipmi_maj = 0; +static uchar ipmi_min = 0; + +static int reset_wdt(void) +{ + uchar idata[4]; + uchar rdata[16]; + int rlen = 4; + uchar ccode; + int ret; + + ret = ipmi_cmd(WATCHDOG_RESET, idata, 0, rdata, &rlen, &ccode, fdebug); + if (ret == 0 && ccode != 0) ret = ccode; + return(ret); +} + +static int get_wdt(uchar *rdata, int rlen) +{ + uchar idata[4]; + uchar ccode; + int ret; + + ret = ipmi_cmd(WATCHDOG_GET, idata, 0, rdata, &rlen, &ccode, fdebug); + if (ret == 0 && ccode != 0) ret = ccode; + return(ret); +} /*end get_wdt()*/ + +static int set_wdt(int val) +{ + uchar idata[6]; + uchar rdata[16]; + int rlen = 8; + uchar ccode, bl; + int ret, t; + + t = val * 10; /* val is in sec, make timeout in 100msec */ + if (fdontlog) bl = 0x80; + else bl = 0x00; + if ((ipmi_maj > 1) || /* IPMI 1.5 or greater */ + (ipmi_maj == 1 && ipmi_min >= 5)) { + idata[0] = 0x44 | bl; /* DontLog=0, DontStop=1 & use SMS/OS */ + } else idata[0] = 0x04 | bl; /* IPMI 1.0 or less */ + idata[1] = (preaction << 4) | action; /* preaction/action */ + idata[2] = 0; /* pretimeout: 0=disabled, or less than timeout */ + if (preaction != 0) { /* enabled pretimeout */ + idata[2] = pretime; /* pretimeout value in seconds */ + } /*endif preaction/pretime */ + idata[3] = 0x10; /* clear SMS/OS when done */ + idata[4] = t & 0x00ff; /*timeout in 100msec: 0x4B0 = 1200. */ + idata[5] = (t & 0xff00) >> 8; + ret = ipmi_cmd(WATCHDOG_SET, idata, 6, rdata, &rlen, &ccode, fdebug); + if (ret == 0 && ccode != 0) ret = ccode; + return(ret); +} /*end set_wdt()*/ + +static int clear_wdt(void) +{ + uchar idata[6]; + uchar rdata[16]; + int rlen = 8; + uchar ccode = 0; + int ret; + + idata[0] = 0x01; /* Use FRB2, stop timer */ + idata[1] = 0x00; /* no action */ + idata[2] = 30; /* pretimeout: 30 sec (disabled anyway) */ + idata[3] = 0x02; /* clear FRB2*/ + idata[4] = 0xB0; + idata[5] = 0x04; + ret = ipmi_cmd(WATCHDOG_SET, idata, 6, rdata, &rlen, &ccode, fdebug); + if (ret == 0 && ccode != 0) ret = ccode; + return(ret); +} /*end clear_wdt()*/ + +char *usedesc[6] = {"reserved", "BIOS FRB2", "BIOS/POST", + "OS Load", "SMS/OS", "OEM" }; + +void show_wdt(uchar *wdt) +{ + uchar use; + char *pstr; + char *pstr2; + int i,j; + + if (!fcanonical) { + printf("wdt data: "); + for (i=0; i<8; i++) printf("%02x ",wdt[i]); + printf("\n"); + } + + use = wdt[0] & 0x07; + if (use > 5) use = 0; + if ((wdt[0] & 0x40) == 0x40) pstr = "started"; + else pstr = "stopped"; + if ((wdt[0] & 0x80) == 0x80) pstr2 = "DontLog"; + else pstr2 = "Logging"; + if (fcanonical) { + printf("Watchdog timer state\t%c %s\n",bdelim,pstr); + printf(" Use with \t\t%c %s\n", bdelim,usedesc[use]); + printf(" Log mode \t\t%c %s\n", bdelim,pstr2); + } else { + printf("Watchdog timer is %s for use with %s. %s\n",pstr,usedesc[use],pstr2); + } + switch (wdt[1] & 0x70) + { + case 0x10: pstr = "SMI"; break; + case 0x20: pstr = "NMI"; break; + case 0x30: pstr = "MsgInt"; break; + default: pstr = "None"; + } + if (fcanonical) { + printf(" Pretimeout\t\t%c %d seconds\n", bdelim,wdt[2]); + printf(" Pre-action\t\t%c %s\n", bdelim,pstr); + } else { + printf(" pretimeout is %d seconds, pre-action is %s\n", + wdt[2],pstr); + } + /* wdt[3] is the TimerUseExpFlags */ + i = (wdt[4] + (wdt[5] << 8)) / 10; + j = (wdt[6] + (wdt[7] << 8)) / 10; + if (fcanonical) { + printf(" Timeout \t\t%c %d seconds\n", bdelim,i); + printf(" Counter \t\t%c %d seconds\n", bdelim,j); + } else { + printf(" timeout is %d seconds, counter is %d seconds\n",i,j); + } + switch (wdt[1] & 0x07) + { + case 0: pstr = "No action"; break; + case 1: pstr = "Hard Reset"; break; + case 2: pstr = "Power down"; break; + case 3: pstr = "Power cycle"; break; + default: pstr = "Reserved"; + } + if (fcanonical) { + printf(" Action \t\t%c %s\n", bdelim,pstr); + } else { + printf(" action is %s\n",pstr); + } +} + + +#ifdef METACOMMAND +int i_wdt(int argc, char **argv) +#else +#ifdef WIN32 +int __cdecl +#else +int +#endif +main(int argc, char **argv) +#endif +{ + int ret = 0; + int rv = 0; + int c; + uchar freadonly = 1; + uchar freset = 0; + uchar fdisable = 0; + uchar wdtbuf[8]; + uchar devrec[16]; + int t = 0; + int a; + +#if defined (EFI) + InitializeLib(_LIBC_EFIImageHandle, _LIBC_EFISystemTable); +#else + printf("%s ver %s\n", progname,progver); +#endif + parse_lan_options('V',"4",0); /*default to admin priv*/ + + while ((c = getopt(argc,argv,"cdelra:p:q:t:T:V:J:EYF:P:N:R:U:Z:x?")) != EOF ) + switch(c) { + case 'r': freset = 1; break; /* reset watchdog timer */ + case 'l': fdontlog = 1; break; /* dont log the wdt events */ + case 'a': a = atoi(optarg); /* set wd action */ + if (a >= 0 && a < 4) action = (uchar)a; + freadonly = 0; + break; + case 'p': a = atoi(optarg); /* set wd preaction */ + if (a >= 0 && a < 4) preaction = (uchar)a; + freadonly = 0; + break; + case 'q': a = atoi(optarg); /* set wd pretimeout */ + if (a > 255) pretime = 255; + else if (a >= 5) pretime = (uchar)a; + /* else arg is out of bounds */ + freadonly = 0; + break; + case 'c': fcanonical = 1; break; /* canonical output */ + case 'd': fdisable = 1; break; /* disable wdt */ + case 'e': freadonly = 0; break; /* enable wdt */ + case 't': t = atoi(optarg); freadonly = 0; break; /*timeout*/ + case 'x': fdebug = 1; break; /* debug messages */ + case 'N': /* nodename */ + case 'U': /* remote username */ + case 'P': /* remote password */ + case 'R': /* remote password */ + case 'E': /* get password from IPMI_PASSWORD environment var */ + case 'F': /* force driver type */ + case 'T': /* auth type */ + case 'J': /* cipher suite */ + case 'V': /* priv level */ + case 'Y': /* prompt for remote password */ + case 'Z': /* set local MC address */ + parse_lan_options(c,optarg,fdebug); + break; + default: + printf("Usage: %s [-acdelpqrx -t sec -NUPRETVF]\n", progname); + printf(" where -r reset watchdog timer\n"); + printf(" -a N set watchdog Action (N=0,1,2,3)\n"); + printf(" -c canonical output format\n"); + printf(" -d disable watchdog timer\n"); + printf(" -e enable watchdog timer\n"); + printf(" -l don't Log watchdog events\n"); + printf(" -p N set watchdog Preaction (N=0,1,2,3)\n"); + printf(" -q N set watchdog pretimeout to N sec\n"); + printf(" -t N set timeout to N seconds\n"); + printf(" -x show eXtra debug messages\n"); + print_lan_opt_usage(); + ret = ERR_USAGE; + goto do_exit; + } + if (t == 0) t = 120; /* default timeout, 120 seconds*/ + if ((pretime != 0) && (preaction == 0)) preaction = 2; /*default is NMI*/ + if (preaction != 0) { + if (pretime == 0) { + if (t >= 280) { pretime = 255; + } else { + a = t * 10; /* t is in sec, make timeout(a) in 100msec */ + pretime = (a - t)/10; /*90% of timeout, in seconds*/ + } + } + if ((t - pretime) < 5) { /*if not enough difference*/ + /* (timeout - pretimeout) must be >= 5 sec */ + /* if val < 50 sec, 10% diff < 5 */ + if (t < 20) pretime = 0; /* not enough headroom */ + else pretime = t - 5; + } + } + + ret = ipmi_getdeviceid(devrec,16,fdebug); + if (ret != 0) { + goto do_exit; + } else { + ipmi_maj = devrec[4] & 0x0f; + ipmi_min = devrec[4] >> 4; +#ifndef EFI + show_devid( devrec[2], devrec[3], ipmi_maj, ipmi_min); +#endif + } + + ret = get_wdt(&wdtbuf[0],8); + if (ret != 0) { + printf("get_wdt error: ret = %x\n",ret); + goto do_exit; + } + show_wdt(wdtbuf); + + if (fdisable) { + printf("Disabling watchdog timer ...\n"); + ret = clear_wdt(); + if (ret != 0) printf("clear_wdt error: ret = %x\n",ret); + ret = get_wdt(wdtbuf,8); + show_wdt(wdtbuf); + } else if (!freadonly) { + printf("Setting watchdog timer to %d seconds ...\n",t); + ret = set_wdt(t); + if (ret != 0) printf("set_wdt error: ret = %x\n",ret); + rv = get_wdt(wdtbuf,8); + show_wdt(wdtbuf); + /* + * If we set the wd timer, we need to set up a cron job, daemon, + * or script to reset the timer also. (e.g.: "sleep 1; wdt -r") + */ + } + if (freset && !fdisable) { + printf("Resetting watchdog timer ...\n"); + ret = reset_wdt(); + if (ret == 0xC0) /*node busy*/ + printf("Node busy: set the timeout longer.\n"); +#ifndef EFI + printf("reset_wdt: ret = %d\n",ret); + rv = get_wdt(wdtbuf,8); + show_wdt(wdtbuf); +#endif + } +#ifndef EFI + printf("\n"); +#endif +do_exit: + ipmi_close_(); + // show_outcome(progname,ret); + return (ret); +} /* end main()*/ + +/* end wdt.c */ |