scsicmds.c

/*
 * 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>
/* #include <scsi/scsi.h>	bypass for now */
/* #include <scsi/scsi_ioctl.h> bypass for now */
#include "scsicmds.h"

const char *scsicmds_c_cvsid="$Id: scsicmds.c,v 1.18 2003/01/16 15:28:57 ballen4705 Exp $" SCSICMDS_H_CVSID;

static int send_scsi_cmd(int device, int cmnd_len, void * io_hdr)
{
    	int status;

#ifdef SCSI_DEBUG
	{
		int k;
		const unsigned char * ucp = io_hdr;

		ucp += 2 * sizeof(int);
		fprintf(stderr, "cmnd: [");
		for (k = 0; k < cmnd_len; ++k)
			fprintf(stderr, "%02x ", ucp[k]);
	}
#endif
	status =  ioctl(device, SCSI_IOCTL_SEND_COMMAND , io_hdr);
#ifdef SCSI_DEBUG
	fprintf(stderr, "] status=0x%x\n", status);
#endif
	return status;
}

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;