scsicmds.cpp

/*
 * scsicmds.c
 *
 * Home page of code is: http://smartmontools.sourceforge.net
 *
 * Copyright (C) 2002 Bruce Allen <smartmontools-support@lists.sourceforge.net>
 * Copyright (C) 1999-2000 Michael Cornwell <cornwell@acm.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * You should have received a copy of the GNU General Public License
 * (for example COPYING); if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * This code was originally developed as a Senior Thesis by Michael Cornwell
 * at the Concurrent Systems Laboratory (now part of the Storage Systems
 * Research Center), Jack Baskin School of Engineering, University of
 * California, Santa Cruz. http://ssrc.soe.ucsc.edu/
 *
 */

#include <stdio.h>
#include <string.h>
#include <getopt.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <linux/hdreg.h>
// We do NOT want to include the kernel SCSI header file, just user space one
#define  _LINUX_SCSI_H
#include <scsi/scsi.h>
#include "scsicmds.h"

const char *CVSid3="$Id: scsicmds.cpp,v 1.15 2002/11/21 16:49:44 knan Exp $" CVSID4;


UINT8 logsense (int device, UINT8 pagenum, UINT8 *pBuf)
{
  struct cdb10hdr *ioctlhdr;
  UINT8 tBuf[1024 + CDB_12_HDR_SIZE];
  UINT8 status;

  
  memset ( &tBuf, 0, 255);
    
  ioctlhdr = (struct cdb10hdr *) &tBuf;
  
  ioctlhdr->inbufsize = 0;
  ioctlhdr->outbufsize = 1024;
   
  ioctlhdr->cdb[0] = LOG_SENSE;
  ioctlhdr->cdb[1] = 0x00;
  ioctlhdr->cdb[2] = 0x40 | pagenum;
  ioctlhdr->cdb[3] = 0x00;
  ioctlhdr->cdb[4] = 0x00;
  ioctlhdr->cdb[5] = 0x00;
  ioctlhdr->cdb[6] = 0x00;
  ioctlhdr->cdb[7] = 0x04;
  ioctlhdr->cdb[8] = 0x00;
  ioctlhdr->cdb[9] = 0x00;

  status =  ioctl( device, 1 , &tBuf);

	
  memcpy ( pBuf, &tBuf[8], 1024); 

  return status;