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a23d51175f
mirror_smartmontools-debian/os_os2.cpp
Giuseppe Iuculano a23d51175f Imported Upstream version 5.39.1+svn3060
2010-02-04 08:10:32 +01:00

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/*
* os_os2.c
*
* Home page of code is: http://smartmontools.sourceforge.net
*
* Copyright (C) 2004-8 Yuri Dario <smartmontools-support@lists.sourceforge.net>
*
* 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.
*/
/*
*
* Thanks to Daniela Engert for providing sample code for SMART ioctl access.
*
*/
// These are needed to define prototypes for the functions defined below
#include <errno.h>
#include "atacmds.h"
#include "scsicmds.h"
#include "utility.h"
// This is to include whatever prototypes you define in os_generic.h
#include "os_os2.h"
// Needed by '-V' option (CVS versioning) of smartd/smartctl
const char *os_XXXX_c_cvsid="$Id: os_os2.cpp,v 1.9 2008/06/12 21:46:31 ballen4705 Exp $" \
ATACMDS_H_CVSID OS_XXXX_H_CVSID SCSICMDS_H_CVSID UTILITY_H_CVSID;
// global handle to device driver
static HFILE hDevice;
// Please eliminate the following block: both the two #includes and
// the 'unsupported()' function. They are only here to warn
// unsuspecting users that their Operating System is not supported! If
// you wish, you can use a similar warning mechanism for any of the
// functions in this file that you can not (or choose not to)
// implement.
#include "config.h"
typedef struct _IDEREGS {
UCHAR bFeaturesReg;
UCHAR bSectorCountReg;
UCHAR bSectorNumberReg;
UCHAR bCylLowReg;
UCHAR bCylHighReg;
UCHAR bDriveHeadReg;
UCHAR bCommandReg;
UCHAR bReserved;
} IDEREGS, *PIDEREGS, *LPIDEREGS;
static void unsupported(int which){
static int warninggiven[4];
if (which<0 || which>3)
return;
if (!warninggiven[which]) {
char msg;
debugmode=1;
warninggiven[which]=1;
switch (which) {
case 0:
msg="generate a list of devices";
break;
case 1:
msg="interface to Marvell-based SATA controllers";
break;
case 2:
msg="interface to 3ware-based RAID controllers";
break;
case 3:
msg="interface to SCSI devices";
break;
}
pout("Under OS/2, smartmontools can not %s\n");
}
return;
}
// print examples for smartctl. You should modify this function so
// that the device paths are sensible for your OS, and to eliminate
// unsupported commands (eg, 3ware controllers).
void print_smartctl_examples(){
printf("=================================================== SMARTCTL EXAMPLES =====\n\n");
#ifdef HAVE_GETOPT_LONG
printf(
" smartctl -a /dev/hda (Prints all SMART information)\n\n"
" smartctl --smart=on --offlineauto=on --saveauto=on /dev/hda\n"
" (Enables SMART on first disk)\n\n"
" smartctl -t long /dev/hda (Executes extended disk self-test)\n\n"
" smartctl --attributes --log=selftest --quietmode=errorsonly /dev/hda\n"
" (Prints Self-Test & Attribute errors)\n"
" smartctl -a --device=3ware,2 /dev/sda\n"
" (Prints all SMART info for 3rd ATA disk on 3ware RAID controller)\n"
);
#else
printf(
" smartctl -a /dev/hda (Prints all SMART information)\n"
" smartctl -s on -o on -S on /dev/hda (Enables SMART on first disk)\n"
" smartctl -t long /dev/hda (Executes extended disk self-test)\n"
" smartctl -A -l selftest -q errorsonly /dev/hda\n"
" (Prints Self-Test & Attribute errors)\n"
" smartctl -a -d 3ware,2 /dev/sda\n"
" (Prints all SMART info for 3rd ATA disk on 3ware RAID controller)\n"
);
#endif
return;
}
static const char * skipdev(const char * s)
{
return (!strncmp(s, "/dev/", 5) ? s + 5 : s);
}
// tries to guess device type given the name (a path). See utility.h
// for return values.
int guess_device_type (const char* dev_name) {
//printf( "dev_name %s\n", dev_name);
dev_name = skipdev(dev_name);
if (!strncmp(dev_name, "hd", 2))
return CONTROLLER_ATA;
if (!strncmp(dev_name, "scsi", 4))
return CONTROLLER_SCSI;
return CONTROLLER_UNKNOWN;
}
// makes a list of ATA or SCSI devices for the DEVICESCAN directive of
// smartd. Returns number N of devices, or -1 if out of
// memory. Allocates N+1 arrays: one of N pointers (devlist); the
// other N arrays each contain null-terminated character strings. In
// the case N==0, no arrays are allocated because the array of 0
// pointers has zero length, equivalent to calling malloc(0).
int make_device_names (char*** devlist, const char* name) {
unsupported(0);
return 0;
}
// Like open(). Return non-negative integer handle, only used by the
// functions below. type=="ATA" or "SCSI". If you need to store
// extra information about your devices, create a private internal
// array within this file (see os_freebsd.cpp for an example). If you
// can not open the device (permission denied, does not exist, etc)
// set errno as open() does and return <0.
int deviceopen(const char *pathname, char *type){
int fd;
APIRET rc;
ULONG ActionTaken;
//printf( "deviceopen pathname %s\n", pathname);
rc = DosOpen ("\\DEV\\IBMS506$", &hDevice, &ActionTaken, 0, FILE_SYSTEM,
OPEN_ACTION_OPEN_IF_EXISTS, OPEN_SHARE_DENYNONE |
OPEN_FLAGS_NOINHERIT | OPEN_ACCESS_READONLY, NULL);
if (rc) {
char errmsg[256];
snprintf(errmsg,256,"Smartctl open driver IBMS506$ failed (%d)", rc);
errmsg[255]='\0';
syserror(errmsg);
return -1;
}
pathname = skipdev(pathname);
fd = tolower(pathname[2]) - 'a';
return fd;
}
// Like close(). Acts only on integer handles returned by
// deviceopen() above.
int deviceclose(int fd){
DosClose( hDevice);
hDevice = NULL;
return 0;
}
static void print_ide_regs(const IDEREGS * r, int out)
{
pout("%s=0x%02x,%s=0x%02x, SC=0x%02x, NS=0x%02x, CL=0x%02x, CH=0x%02x, SEL=0x%02x\n",
(out?"STS":"CMD"), r->bCommandReg, (out?"ERR":" FR"), r->bFeaturesReg,
r->bSectorCountReg, r->bSectorNumberReg, r->bCylLowReg, r->bCylHighReg, r->bDriveHeadReg);
}
//
// OS/2 direct ioctl interface to IBMS506$
//
int dani_ioctl( int device, int request, void* arg)
{
unsigned char* buff = (unsigned char*) arg;
APIRET rc;
DSKSP_CommandParameters Parms;
ULONG PLen = 1;
ULONG DLen = 512; //sizeof (*buf);
UCHAR temp;
ULONG value = 0;
IDEREGS regs;
//printf( "device %d, request 0x%x, arg[0] 0x%x, arg[2] 0x%x\n", device, request, buff[0], buff[2]);
Parms.byPhysicalUnit = device;
switch( buff[0]) {
case WIN_IDENTIFY:
rc = DosDevIOCtl (hDevice, DSKSP_CAT_GENERIC, DSKSP_GET_INQUIRY_DATA,
(PVOID)&Parms, PLen, &PLen, (PVOID)arg+4, DLen, &DLen);
if (rc != 0)
{
printf ("DANIS506 ATA GET HD Failed (%d,0x%x)\n", rc, rc);
return -1;
}
break;
case WIN_SMART:
switch( buff[2]) {
case SMART_STATUS:
DLen = sizeof(value);
// OS/2 already checks CL/CH in IBM1S506 code!! see s506rte.c (ddk)
// value: -1=not supported, 0=ok, 1=failing
rc = DosDevIOCtl (hDevice, DSKSP_CAT_SMART, DSKSP_SMART_GETSTATUS,
(PVOID)&Parms, PLen, &PLen, (PVOID)&value, DLen, &DLen);
if (rc)
{
printf ("DANIS506 ATA GET SMART_STATUS failed (%d,0x%x)\n", rc, rc);
return -1;
}
buff[4] = (unsigned char)value;
break;
case SMART_READ_VALUES:
rc = DosDevIOCtl (hDevice, DSKSP_CAT_SMART, DSKSP_SMART_GET_ATTRIBUTES,
(PVOID)&Parms, PLen, &PLen, (PVOID)arg+4, DLen, &DLen);
if (rc)
{
printf ("DANIS506 ATA GET DSKSP_SMART_GET_ATTRIBUTES failed (%d,0x%x)\n", rc, rc);
return -1;
}
break;
case SMART_READ_THRESHOLDS:
rc = DosDevIOCtl (hDevice, DSKSP_CAT_SMART, DSKSP_SMART_GET_THRESHOLDS,
(PVOID)&Parms, PLen, &PLen, (PVOID)arg+4, DLen, &DLen);
if (rc)
{
printf ("DANIS506 ATA GET DSKSP_SMART_GET_THRESHOLDS failed (%d,0x%x)\n", rc, rc);
return -1;
}
break;
case SMART_READ_LOG_SECTOR:
buff[4] = buff[1]; // copy select field
rc = DosDevIOCtl (hDevice, DSKSP_CAT_SMART, DSKSP_SMART_READ_LOG,
(PVOID)&Parms, PLen, &PLen, (PVOID)arg+4, DLen, &DLen);
if (rc)
{
printf ("DANIS506 ATA GET DSKSP_SMART_READ_LOG failed (%d,0x%x)\n", rc, rc);
return -1;
}
break;
case SMART_ENABLE:
buff[0] = 1; // enable
DLen = 1;
rc = DosDevIOCtl (hDevice, DSKSP_CAT_SMART, DSKSP_SMART_ONOFF,
(PVOID)&Parms, PLen, &PLen, (PVOID)buff, DLen, &DLen);
if (rc) {
printf ("DANIS506 ATA GET DSKSP_SMART_ONOFF failed (%d,0x%x)\n", rc, rc);
return -1;
}
break;
case SMART_DISABLE:
buff[0] = 0; // disable
DLen = 1;
rc = DosDevIOCtl (hDevice, DSKSP_CAT_SMART, DSKSP_SMART_ONOFF,
(PVOID)&Parms, PLen, &PLen, (PVOID)buff, DLen, &DLen);
if (rc) {
printf ("DANIS506 ATA GET DSKSP_SMART_ONOFF failed (%d,0x%x)\n", rc, rc);
return -1;
}
break;
#if 0
case SMART_AUTO_OFFLINE:
buff[0] = buff[3]; // select field
DLen = 1;
rc = DosDevIOCtl (hDevice, DSKSP_CAT_SMART, DSKSP_SMART_AUTO_OFFLINE,
(PVOID)&Parms, PLen, &PLen, (PVOID)buff, DLen, &DLen);
if (rc) {
printf ("DANIS506 ATA GET DSKSP_SMART_ONOFF failed (%d,0x%x)\n", rc, rc);
return -1;
}
break;
#endif
case SMART_AUTOSAVE:
buff[0] = buff[3]; // select field
DLen = 1;
rc = DosDevIOCtl (hDevice, DSKSP_CAT_SMART, DSKSP_SMART_AUTOSAVE_ONOFF,
(PVOID)&Parms, PLen, &PLen, (PVOID)buff, DLen, &DLen);
if (rc) {
printf ("DANIS506 ATA DSKSP_SMART_AUTOSAVE_ONOFF failed (%d,0x%x)\n", rc, rc);
return -1;
}
break;
case SMART_IMMEDIATE_OFFLINE:
buff[0] = buff[1]; // select field
DLen = 1;
rc = DosDevIOCtl (hDevice, DSKSP_CAT_SMART, DSKSP_SMART_EOLI,
(PVOID)&Parms, PLen, &PLen, (PVOID)buff, DLen, &DLen);
if (rc) {
printf ("DANIS506 ATA GET DSKSP_SMART_EXEC_OFFLINE failed (%d,0x%x)\n", rc, rc);
return -1;
}
break;
default:
fprintf( stderr, "device %d, request 0x%x, arg[0] 0x%x, arg[2] 0x%x\n", device, request, buff[0], buff[2]);
fprintf( stderr, "unknown ioctl\n");
return -1;
break;
}
break;
//case WIN_PIDENTIFY:
// break;
default:
fprintf( stderr, "unknown ioctl\n");
return -1;
break;
}
// ok
return 0;
}
// Interface to ATA devices. See os_linux.cpp for the cannonical example.
// DETAILED DESCRIPTION OF ARGUMENTS
// device: is the integer handle provided by deviceopen()
// command: defines the different operations, see atacmds.h
// select: additional input data IF NEEDED (which log, which type of
// self-test).
// data: location to write output data, IF NEEDED (1 or 512 bytes).
// Note: not all commands use all arguments.
// RETURN VALUES (for all commands BUT command==STATUS_CHECK)
// -1 if the command failed
// 0 if the command succeeded,
// RETURN VALUES if command==STATUS_CHECK
// -1 if the command failed OR the disk SMART status can't be determined
// 0 if the command succeeded and disk SMART status is "OK"
// 1 if the command succeeded and disk SMART status is "FAILING"
// huge value of buffer size needed because HDIO_DRIVE_CMD assumes
// that buff[3] is the data size. Since the ATA_SMART_AUTOSAVE and
// ATA_SMART_AUTO_OFFLINE use values of 0xf1 and 0xf8 we need the space.
// Otherwise a 4+512 byte buffer would be enough.
#define STRANGE_BUFFER_LENGTH (4+512*0xf8)
int ata_command_interface(int device, smart_command_set command, int select, char *data){
unsigned char buff[STRANGE_BUFFER_LENGTH];
// positive: bytes to write to caller. negative: bytes to READ from
// caller. zero: non-data command
int copydata=0;
const int HDIO_DRIVE_CMD_OFFSET = 4;
// See struct hd_drive_cmd_hdr in hdreg.h. Before calling ioctl()
// buff[0]: ATA COMMAND CODE REGISTER
// buff[1]: ATA SECTOR NUMBER REGISTER == LBA LOW REGISTER
// buff[2]: ATA FEATURES REGISTER
// buff[3]: ATA SECTOR COUNT REGISTER
// Note that on return:
// buff[2] contains the ATA SECTOR COUNT REGISTER
// clear out buff. Large enough for HDIO_DRIVE_CMD (4+512 bytes)
memset(buff, 0, STRANGE_BUFFER_LENGTH);
//printf( "command, select %d,%d\n", command, select);
buff[0]=ATA_SMART_CMD;
switch (command){
case CHECK_POWER_MODE:
buff[0]=ATA_CHECK_POWER_MODE;
copydata=1;
break;
case READ_VALUES:
buff[2]=ATA_SMART_READ_VALUES;
buff[3]=1;
copydata=512;
break;
case READ_THRESHOLDS:
buff[2]=ATA_SMART_READ_THRESHOLDS;
buff[1]=buff[3]=1;
copydata=512;
break;
case READ_LOG:
buff[2]=ATA_SMART_READ_LOG_SECTOR;
buff[1]=select;
buff[3]=1;
copydata=512;
break;
case WRITE_LOG:
break;
case IDENTIFY:
buff[0]=ATA_IDENTIFY_DEVICE;
buff[3]=1;
copydata=512;
break;
case PIDENTIFY:
buff[0]=ATA_IDENTIFY_PACKET_DEVICE;
buff[3]=1;
copydata=512;
break;
case ENABLE:
buff[2]=ATA_SMART_ENABLE;
buff[1]=1;
break;
case DISABLE:
buff[2]=ATA_SMART_DISABLE;
buff[1]=1;
break;
case STATUS:
case STATUS_CHECK:
// this command only says if SMART is working. It could be
// replaced with STATUS_CHECK below.
buff[2]=ATA_SMART_STATUS;
buff[4]=0;
break;
case AUTO_OFFLINE:
buff[2]=ATA_SMART_AUTO_OFFLINE;
buff[3]=select; // YET NOTE - THIS IS A NON-DATA COMMAND!!
break;
case AUTOSAVE:
buff[2]=ATA_SMART_AUTOSAVE;
buff[3]=select; // YET NOTE - THIS IS A NON-DATA COMMAND!!
break;
case IMMEDIATE_OFFLINE:
buff[2]=ATA_SMART_IMMEDIATE_OFFLINE;
buff[1]=select;
break;
//case STATUS_CHECK:
// // This command uses HDIO_DRIVE_TASK and has different syntax than
// // the other commands.
// buff[1]=ATA_SMART_STATUS;
// break;
default:
pout("Unrecognized command %d in linux_ata_command_interface()\n"
"Please contact " PACKAGE_BUGREPORT "\n", command);
errno=ENOSYS;
return -1;
}
#if 0
// This command uses the HDIO_DRIVE_TASKFILE ioctl(). This is the
// only ioctl() that can be used to WRITE data to the disk.
if (command==WRITE_LOG) {
unsigned char task[sizeof(ide_task_request_t)+512];
ide_task_request_t *reqtask=(ide_task_request_t *) task;
task_struct_t *taskfile=(task_struct_t *) reqtask->io_ports;
int retval;
memset(task, 0, sizeof(task));
taskfile->data = 0;
taskfile->feature = ATA_SMART_WRITE_LOG_SECTOR;
taskfile->sector_count = 1;
taskfile->sector_number = select;
taskfile->low_cylinder = 0x4f;
taskfile->high_cylinder = 0xc2;
taskfile->device_head = 0;
taskfile->command = ATA_SMART_CMD;
reqtask->data_phase = TASKFILE_OUT;
reqtask->req_cmd = IDE_DRIVE_TASK_OUT;
reqtask->out_size = 512;
reqtask->in_size = 0;
// copy user data into the task request structure
memcpy(task+sizeof(ide_task_request_t), data, 512);
if ((retval=dani_ioctl(device, HDIO_DRIVE_TASKFILE, task))) {
if (retval==-EINVAL)
pout("Kernel lacks HDIO_DRIVE_TASKFILE support; compile kernel with CONFIG_IDE_TASKFILE_IO set\n");
return -1;
}
return 0;
}
#endif // 0
// We are now doing the HDIO_DRIVE_CMD type ioctl.
if ((dani_ioctl(device, HDIO_DRIVE_CMD, buff)))
return -1;
// There are two different types of ioctls(). The HDIO_DRIVE_TASK
// one is this:
if (command==STATUS_CHECK){
int retval;
// Cyl low and Cyl high unchanged means "Good SMART status"
if (buff[4]==0)
return 0;
// These values mean "Bad SMART status"
if (buff[4]==1)
return 1;
// We haven't gotten output that makes sense; print out some debugging info
syserror("Error SMART Status command failed");
pout("Please get assistance from " PACKAGE_HOMEPAGE "\n");
return -1;
}
// CHECK POWER MODE command returns information in the Sector Count
// register (buff[3]). Copy to return data buffer.
if (command==CHECK_POWER_MODE)
buff[HDIO_DRIVE_CMD_OFFSET]=buff[2];
// if the command returns data then copy it back
if (copydata)
memcpy(data, buff+HDIO_DRIVE_CMD_OFFSET, copydata);
return 0;
}
int marvell_command_interface(int fd, smart_command_set command, int select, char *data){
unsupported(1);
return -1;
}
int highpoint_command_interface(int fd, smart_command_set command, int select, char *data)
{
unsupported(1);
return -1;
}
// Interface to ATA devices behind 3ware escalade RAID controller
// cards. Same description as ata_command_interface() above except
// that 0 <= disknum <= 15 specifies the ATA disk attached to the
// controller.
int escalade_command_interface(int fd, int disknum, int escalade_type, smart_command_set command, int select, char *data){
unsupported(2);
return -1;
}
int areca_command_interface(int fd, int disknum, smart_command_set command, int select, char *data){
unsupported(2);
return -1;
}
// Interface to SCSI devices. See os_linux.c
int do_scsi_cmnd_io(int fd, struct scsi_cmnd_io * iop, int report) {
unsupported(3);
return -ENOSYS;
}
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