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atacmds.c 12.65 KiB
// $Id: atacmds.c,v 1.5 2002/10/14 15:26:05 ballen4705 Exp $
/*
* atacmds.c
*
* Copyright (C) 2002 Bruce Allen <smartmontools-support@lists.sourceforge.net>
* Copyright (C) 1999-2000 Michael Cornwell <cornwell@acm.org>
* Copyright (C) 2000 Andre Hedrick <andre@linux-ide.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 "atacmds.h"
// These Drive Identity tables are taken from hdparm 5.2. That's the
// "Gold Standard"
#define NOVAL_0 0x0000
#define NOVAL_1 0xffff
/* word 81: minor version number */
#define MINOR_MAX 0x1C
const char *minor_str[] = { /* word 81 value: */
"Device does not report version", /* 0x0000 */
"ATA-1 X3T9.2 781D prior to revision 4", /* 0x0001 */
"ATA-1 published, ANSI X3.221-1994", /* 0x0002 */
"ATA-1 X3T9.2 781D revision 4", /* 0x0003 */
"ATA-2 published, ANSI X3.279-1996", /* 0x0004 */
"ATA-2 X3T10 948D prior to revision 2k", /* 0x0005 */
"ATA-3 X3T10 2008D revision 1", /* 0x0006 */
"ATA-2 X3T10 948D revision 2k", /* 0x0007 */
"ATA-3 X3T10 2008D revision 0", /* 0x0008 */
"ATA-2 X3T10 948D revision 3", /* 0x0009 */
"ATA-3 published, ANSI X3.298-199x", /* 0x000a */
"ATA-3 X3T10 2008D revision 6", /* 0x000b */
"ATA-3 X3T13 2008D revision 7 and 7a", /* 0x000c */
"ATA/ATAPI-4 X3T13 1153D revision 6", /* 0x000d */
"ATA/ATAPI-4 T13 1153D revision 13", /* 0x000e */
"ATA/ATAPI-4 X3T13 1153D revision 7", /* 0x000f */
"ATA/ATAPI-4 T13 1153D revision 18", /* 0x0010 */
"ATA/ATAPI-4 T13 1153D revision 15", /* 0x0011 */
"ATA/ATAPI-4 published, ANSI NCITS 317-1998", /* 0x0012 */
"ATA/ATAPI-5 T13 1321D revision 3", /* 0x0013 */
"ATA/ATAPI-4 T13 1153D revision 14", /* 0x0014 */
"ATA/ATAPI-5 T13 1321D revision 1", /* 0x0015 */
"ATA/ATAPI-5 published, ANSI NCITS 340-2000", /* 0x0016 */
"ATA/ATAPI-4 T13 1153D revision 17", /* 0x0017 */
"ATA/ATAPI-6 T13 1410D revision 0", /* 0x0018 */
"ATA/ATAPI-6 T13 1410D revision 3a", /* 0x0019 */
"Reserved", /* 0x001a */
"ATA/ATAPI-6 T13 1410D revision 2", /* 0x001b */
"ATA/ATAPI-6 T13 1410D revision 1", /* 0x001c */
"reserved" /* 0x001d */
"reserved" /* 0x001e */
"reserved" /* 0x001f-0xfffe*/
};
const char actual_ver[] = {
/* word 81 value: */
0, /* 0x0000 WARNING: */
1, /* 0x0001 WARNING: */
1, /* 0x0002 WARNING: */
1, /* 0x0003 WARNING: */
2, /* 0x0004 WARNING: This array */
2, /* 0x0005 WARNING: corresponds */
3, /* 0x0006 WARNING: *exactly* */
2, /* 0x0007 WARNING: to the ATA/ */
3, /* 0x0008 WARNING: ATAPI version */
2, /* 0x0009 WARNING: listed in */
3, /* 0x000a WARNING: the */
3, /* 0x000b WARNING: minor_str */
3, /* 0x000c WARNING: array */
4, /* 0x000d WARNING: above. */
4, /* 0x000e WARNING: */
4, /* 0x000f WARNING: If you change */
4, /* 0x0010 WARNING: that one, */
4, /* 0x0011 WARNING: change this one */
4, /* 0x0012 WARNING: too!!! */
5, /* 0x0013 WARNING: */
4, /* 0x0014 WARNING: */
5, /* 0x0015 WARNING: */
5, /* 0x0016 WARNING: */
4, /* 0x0017 WARNING: */
6, /* 0x0018 WARNING: */
6, /* 0x0019 WARNING: */
0, /* 0x001a WARNING: */
6, /* 0x001b WARNING: */
6, /* 0x001c WARNING: */
0 /* 0x001d-0xfffe */
};
int ataReadHDIdentity ( int device, struct hd_driveid *buf)
{
if (ioctl ( device , HDIO_GET_IDENTITY, buf ) != 0)
{
perror ("ATA GET HD Failed");
return -1;
}
return 0;
}
int ataVersionInfo (const char** description, struct hd_driveid drive){
unsigned short major,minor;
int i,atavalue=0;
// get major and minor ATA revision numbers
#ifdef __NEW_HD_DRIVE_ID
major=drive.major_rev_num;
minor=drive.minor_rev_num;
#else
major=drive.word80;
minor=drive.word81;
#endif
// First check if device has ANY ATA version information in it
if (major==NOVAL_0 || major==NOVAL_1) {
*description=NULL;
return -1;
}
// The minor revision number has more information - try there first
if (minor && (minor<=MINOR_MAX)){ int std = actual_ver[minor];
if (std) {
*description=minor_str[minor];
return std;
}
}
// HDPARM has a very complicated algorithm from here on. Since SMART only
// exists on ATA-3 and later standards, let's punt on this. If you don't
// like it, please fix it. The code's in CVS.
for (i=1; i<16;i++ )
if (major & (0x1<<i))
atavalue = i;
*description=NULL;
return atavalue;
}
int ataSmartSupport ( struct hd_driveid drive){
#ifdef __NEW_HD_DRIVE_ID
if (drive.command_set_1 & 0x0001)
#else
if (drive.command_sets & 0x0001)
#endif
return 1; /* drive supports S.M.A.R.T. and is disabled */
return 0;
}
int ataReadSmartValues (int device, struct ata_smart_values *data){
int i;
unsigned char chksum=0;
unsigned char buf[HDIO_DRIVE_CMD_HDR_SIZE+ATA_SMART_SEC_SIZE]=
{WIN_SMART, 0, SMART_READ_VALUES, 1};
if (ioctl(device,HDIO_DRIVE_CMD,buf)){
perror ("Smart Values Read failed");
return -1;
}
// compute checksum
for (i=0;i<ATA_SMART_SEC_SIZE;i++)
chksum+=buf[i+HDIO_DRIVE_CMD_HDR_SIZE];
// verify that checksum vanishes
if (chksum){
perror ("Smart Read Failed, Checksum error!");
return -1;
}
// copy data and return
memcpy(data,buf+HDIO_DRIVE_CMD_HDR_SIZE,ATA_SMART_SEC_SIZE);
return 0;
}
int ataReadSelfTestLog (int device, struct ata_smart_selftestlog *data)
{
int i;
unsigned char chksum=0;
unsigned char buf[ HDIO_DRIVE_CMD_HDR_SIZE +
ATA_SMART_SEC_SIZE] =
{ WIN_SMART, 0x06, SMART_READ_LOG_SECTOR, 1};
if (ioctl ( device , HDIO_DRIVE_CMD, (unsigned char *) &buf ) != 0)
{
perror ("Smart Error Log Read failed");
return -1;
}
// compute checksum for (i=0;i<ATA_SMART_SEC_SIZE;i++)
chksum+=buf[HDIO_DRIVE_CMD_HDR_SIZE+i];
if (chksum){
fprintf(stderr,"Smart Self Test Log Checksum Incorrect!\n");
return -1;
}
memcpy( data, &buf[HDIO_DRIVE_CMD_HDR_SIZE] , ATA_SMART_SEC_SIZE);
return 0;
}
int ataReadErrorLog (int device, struct ata_smart_errorlog *data)
{
int i;
unsigned char chksum=0;
unsigned char buf[ HDIO_DRIVE_CMD_HDR_SIZE +
ATA_SMART_SEC_SIZE] =
{ WIN_SMART, 0x01, SMART_READ_LOG_SECTOR, 1};
if (ioctl ( device , HDIO_DRIVE_CMD, (unsigned char *) &buf ) != 0)
{
perror ("Smart Error Log Read failed");
return -1;
}
// compute checksum
for (i=0;i<ATA_SMART_SEC_SIZE;i++)
chksum+=buf[HDIO_DRIVE_CMD_HDR_SIZE+i];
if (chksum){
fprintf(stderr,"Smart Error Log Checksum Incorrect!\n");
return -1;
}
memcpy( data, &buf[HDIO_DRIVE_CMD_HDR_SIZE] , ATA_SMART_SEC_SIZE);
return 0;
}
int ataReadSmartThresholds ( int device, struct ata_smart_thresholds *data)
{
unsigned char buf[ HDIO_DRIVE_CMD_HDR_SIZE +
ATA_SMART_SEC_SIZE] =
{ WIN_SMART, 1, SMART_READ_THRESHOLDS, 1};
if (ioctl ( device , HDIO_DRIVE_CMD, (unsigned char *) &buf ) != 0)
{
perror ("Smart Thresholds Read failed");
return -1;
}
memcpy( data, &buf[HDIO_DRIVE_CMD_HDR_SIZE] , ATA_SMART_SEC_SIZE);
return 0;
}
int ataSetSmartThresholds ( int device, struct ata_smart_thresholds *data)
{
unsigned char buf[ HDIO_DRIVE_CMD_HDR_SIZE +
ATA_SMART_SEC_SIZE] =
{ WIN_SMART, 1, 0xD7, 1};
memcpy( &buf[HDIO_DRIVE_CMD_HDR_SIZE], data , ATA_SMART_SEC_SIZE);
if (ioctl ( device , HDIO_DRIVE_CMD, (unsigned char *) &buf ) != 0)
{
perror ("Smart Thresholds Read failed"); return -1;
}
return 0;
}
int ataEnableSmart (int device )
{
unsigned char parms[4] = { WIN_SMART, 1, SMART_ENABLE, 0};
if (ioctl ( device , HDIO_DRIVE_CMD, &parms ) != 0)
{
perror ("Smart Enable failed");
return -1;
}
return 0;
}
int ataDisableSmart (int device )
{
unsigned char parms[4] = { WIN_SMART, 1, SMART_DISABLE, 0};
if (ioctl ( device , HDIO_DRIVE_CMD, &parms ) != 0)
{
perror ("Smart Disable failed");
return -1;
}
return 0;
}
int ataEnableAutoSave(int device){
unsigned char parms[4] = { WIN_SMART, 241, SMART_AUTOSAVE, 0};
if (ioctl ( device , HDIO_DRIVE_CMD, &parms ) != 0)
{
perror ("Smart Enable Auto-save failed");
return -1;
}
return 0;
};
int ataDisableAutoSave(int device){
unsigned char parms[4] = { WIN_SMART, 0, SMART_AUTOSAVE, 0};
if (ioctl ( device , HDIO_DRIVE_CMD, &parms ) != 0)
{
perror ("Smart Disable Auto-save failed");
return -1;
}
return 0;
};
int ataEnableAutoOffline (int device )
{
/* timer hard coded to 4 hours */
unsigned char parms[4] = { WIN_SMART, 248, SMART_AUTO_OFFLINE, 0};
if (ioctl ( device , HDIO_DRIVE_CMD, &parms ) != 0)
{
perror ("Smart Enable Automatic Offline failed");
return -1; }
return 0;
}
int ataDisableAutoOffline (int device )
{
unsigned char parms[4] = { WIN_SMART, 0, SMART_AUTO_OFFLINE, 0};
if (ioctl ( device , HDIO_DRIVE_CMD, &parms ) != 0)
{
perror ("Smart Disable Automatic Offline failed");
return -1;
}
return 0;
}
// Not being used correctly. Must examine the CL and CH registers to
// see what the smart status was. How to fix this? I don't know...
int ataSmartStatus (int device ){
unsigned char parms[4] = { WIN_SMART, 0, SMART_STATUS, 0};
if (ioctl ( device , HDIO_DRIVE_CMD, &parms) != 0)
{
return -1;
}
return 0;
}
int ataSmartTest (int device, int testtype)
{
unsigned char parms[4] = { WIN_SMART, testtype,
SMART_IMMEDIATE_OFFLINE, 0};
if (ioctl ( device , HDIO_DRIVE_CMD, &parms) != 0)
{
perror ("Smart Offline failed");
return -1;
}
printf("Completed Off-line command\n");
return 0;
}
int ataSmartOfflineTest (int device)
{
return ataSmartTest( device, OFFLINE_FULL_SCAN );
}
int ataSmartShortSelfTest (int device)
{
return ataSmartTest( device, SHORT_SELF_TEST );
}
int ataSmartExtendSelfTest (int device)
{
return ataSmartTest( device, EXTEND_SELF_TEST );
}
int ataSmartShortCapSelfTest (int device)
{
return ataSmartTest( device, SHORT_CAPTIVE_SELF_TEST );
}
int ataSmartExtendCapSelfTest (int device)
{
return ataSmartTest( device, EXTEND_CAPTIVE_SELF_TEST );
}
int ataSmartSelfTestAbort (int device)
{
return ataSmartTest( device, 127 );
}
/* Test Time Functions */
int isOfflineTestTime ( struct ata_smart_values data)
{
return (int) data.total_time_to_complete_off_line;
}
int isShortSelfTestTime ( struct ata_smart_values data)
{
return (int) data.short_test_completion_time;
}
int isExtendedSelfTestTime ( struct ata_smart_values data)
{
return (int) data.extend_test_completion_time;
}
int isSmartErrorLogCapable ( struct ata_smart_values data)
{
return data.errorlog_capability & 0x01;
}
int isSupportExecuteOfflineImmediate ( struct ata_smart_values data)
{
return data.offline_data_collection_capability & 0x01;
}
int isSupportAutomaticTimer ( struct ata_smart_values data)
{
return data.offline_data_collection_capability & 0x02;
}
int isSupportOfflineAbort ( struct ata_smart_values data)
{
return data.offline_data_collection_capability & 0x04;
}
int isSupportOfflineSurfaceScan ( struct ata_smart_values data)
{
return data.offline_data_collection_capability & 0x08;
}
int isSupportSelfTest (struct ata_smart_values data)
{
return data.offline_data_collection_capability & 0x10;
}
int ataCheckSmart ( struct ata_smart_values data, struct ata_smart_thresholds thresholds)
{ int i;
for ( i = 0 ; i < 30 ; i++ )
{
if ( (data.vendor_attributes[i].id !=0) &&
(thresholds.thres_entries[i].id != 0) &&
(data.vendor_attributes[i].status.flag.prefailure) &&
(data.vendor_attributes[i].current <
thresholds.thres_entries[i].threshold) &&
(thresholds.thres_entries[i].threshold != 0xFE) )
{
return i;
}
}
return 0;
}