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/*
* chassis_id.c
*
* Copyright (C) 2004 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License v 2.0 as published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
*
* Authors: Atul Sabharwal
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <syslog.h>
#include "chassis_id.h"
//#define DEBUG 1
/* Run SCSI id to find serial number of the device */
static int getserial_number(char * devpath, char * snumber)
{
FILE *fp;
char vendor[255], model[255], cmd[255];
int retval;
sprintf(cmd, "/sbin/scsi_id -s %s -p 0x80", devpath);
fp = popen(cmd, "r");
if (fp == NULL)
return -ERROR_BAD_SNUMBER;
fscanf(fp, "%s %s %s", vendor, model, snumber);
#ifdef DEBUG
syslog(LOG_PID| LOG_DAEMON| LOG_ERR, "\n%s", snumber );
#endif
retval = pclose(fp);
if (retval == -1)
return -ERROR_BAD_SNUMBER;
else
return NO_ERROR;
}
int main(int argc, char **argv, char **envp)
{
int chassis_num, slot_num, retval;
char disk_snum[255], devpath[255];
char *ptr;
int disk_index;
syslog( LOG_PID| LOG_DAEMON| LOG_ERR, "\n%s", "starting chassis_id" );
ptr = getenv("DEVPATH");
if (ptr == NULL)
return -ERROR_NO_DEVPATH;
sscanf(ptr, "%s", &devpath[0]);
#ifdef DEBUG
syslog(LOG_PID|LOG_DAEMON| LOG_ERR, "Devpath %s", devpath);
#endif
retval = table_init();
if (retval < 0)
return -ERROR_BAD_TABLE;
getserial_number(devpath, disk_snum);
/* Now we open the provisioning table t find actual entry for the serial number*/
disk_index = table_find_disk(disk_snum, &chassis_num, &slot_num);
if ( disk_index == -1 ) {
// typical provisioning error
return -ERROR_NO_DISK;
} else {
table_select_disk( disk_index );
}
return 0;
}
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