void
probe_scsi_device(long bus, long id, int unsure)
{
UInt32 devType;
if (DoInquiry(id, bus, &devType)) {
if (devType == kScsiDevTypeDirect
|| devType == kScsiDevTypeOptical) {
add_to_cache(bus, id, 0, unsure);
} else if (devType == kScsiDevTypeCDROM
|| devType == kScsiDevTypeWorm) {
add_to_cache(bus, id, 1, unsure);
}
}
}
VOID
main(
int argc,
char *argv[]
)
{
SCSI_PASS_THROUGH_WITH_BUFFERS sptwb;
DWORD accessMode,
shareMode;
HANDLE fileHandle;
UCHAR string[25];
UCHAR szDriveNum[4];
ULONG errorCode;
BOOLEAN changeSet = FALSE;
ULONG i;
ULONG driveNumber,
sensePage,
senseValues,
saveAction;
UCHAR changeBits[0x24];
ULONG pageLength;
if (argc > 4 || (argc > 1 && argv[1][0] == '?')) {
printf("Usage: %s [ModePage [Action [WhichValues]]]\n", argv[0] );
return;
}
shareMode = FILE_SHARE_READ | FILE_SHARE_WRITE; // default
accessMode = GENERIC_WRITE | GENERIC_READ; // default
printf("\nWindows NT SCSI Mode Sense and Select Utility\n");
selectDisk:
printf("\n");
for (i=0;;i++) {
sprintf(string, "\\\\.\\PhysicalDrive%d", i);
fileHandle = CreateFile(string,
accessMode,
shareMode,
NULL,
OPEN_EXISTING,
0,
NULL);
if (fileHandle == INVALID_HANDLE_VALUE) {
if (i == 0) {
printf("Error opening PhysicalDrive0. Error: %d\n",
errorCode = GetLastError());
PrintError(errorCode);
return;
} else {
break;
}
} else {
printf("Disk %d is a ", i);
DoInquiry(&sptwb, fileHandle);
printf("at SCSI ID %d\n", sptwb.spt.TargetId);
CloseHandle(fileHandle);
}
}
printf("Enter '99' to exit program\n\n");
while (TRUE) {
printf("Which disk(0-%d)? ", i-1);
scanf("%d", &driveNumber);
if ((driveNumber >= 0) && (driveNumber < i)) {
break;
} else if (driveNumber == 99) {
exit(0);
} else {
printf("There is no disk %d\n",driveNumber);
}
}
newPage:
printf("\n");
printf(" 0:Unit Attention Page\n");
printf(" 1:Error Recovery Page\n");
printf(" 2:Disconnect Page\n");
printf(" 3:Format Device Page\n");
printf(" 4:Rigid Geometry Page\n");
printf(" 5:Flexible Page\n");
printf(" 7:Verify Error Page\n");
printf(" 8:Caching Page\n");
printf(" 9:Peripheral Page\n");
printf("10:Control Page\n");
printf("11:Medium Types Page\n");
printf("12:Notch Partition Page\n");
printf("15:Data Compression Page\n");
printf("16:Device Configuration Page\n");
printf("17:Medium Partition Page\n");
printf("99:Select disk\n");
printf("\nWhich page? ");
scanf("%d", &sensePage);
if (sensePage > 17) {
goto selectDisk;
}
printf("\n0:Get current values\n");
printf("1:Get default values\n");
printf("2:Get saved values\n");
printf("3:Get changable values\n");
if (sensePage == 8) {
printf("4:Enable write cache\n");
printf("5:Disable write cache\n");
}
printf("99:New page\n");
printf("\nWhat action? ");
scanf("%d", &senseValues);
if (senseValues > 5 ||
(sensePage != 8 && senseValues >3)) {
goto newPage;
}
strcpy(string,"\\\\.\\PhysicalDrive");
sprintf(szDriveNum, "%d",driveNumber);
strcat(string,szDriveNum);
fileHandle = CreateFile(string,
accessMode,
shareMode,
NULL,
OPEN_EXISTING,
0,
NULL);
printf("\nMode Sense ");
switch (sensePage) {
case 0:
printf("Unit Attention Page ");
break;
case 1:
printf("Error Recovery Page ");
break;
case 2:
printf("Disconnect Page ");
break;
case 3:
printf("Format Device Page ");
break;
case 4:
printf("Rigid Geometry Page ");
break;
case 5:
printf("Flexible Page ");
break;
case 7:
printf("Verify Error Page ");
break;
case 8:
printf("Caching Page ");
break;
case 9:
printf("Peripheral Page ");
break;
case 10:
printf("Control Page ");
break;
case 11:
printf("Medium Types Page ");
break;
case 12:
printf("Notch Partition Page ");
break;
case 15:
printf("Data Compression Page ");
break;
case 16:
printf("Device Configuration Page ");
break;
case 17:
printf("Medium Partition Page ");
break;
default:
printf("Unknown Page ");
break;
}
switch (senseValues) {
case 0:
printf("(current values)\n");
DoModeSense(&sptwb, fileHandle, sensePage | MODE_SENSE_CURRENT_VALUES);
break;
case 1:
printf("(default values)\n");
DoModeSense(&sptwb, fileHandle, sensePage | MODE_SENSE_DEFAULT_VALUES);
break;
case 2:
printf("(saved values)\n");
DoModeSense(&sptwb, fileHandle, sensePage | MODE_SENSE_SAVED_VALUES);
break;
case 3:
printf("(changable values)\n");
DoModeSense(&sptwb, fileHandle, sensePage | MODE_SENSE_CHANGEABLE_VALUES);
memcpy(changeBits, sptwb.ucDataBuf, sptwb.ucDataBuf[4+1]);
pageLength = changeBits[4+1];
break;
case 4:
case 5:
goto cachePage;
default:
printf("(no values)\n");
break;
}
goto newPage;
cachePage:
//
// Get changable fields mask.
//
printf("(changable values)\n");
DoModeSense(&sptwb,
fileHandle,
sensePage | MODE_SENSE_CHANGEABLE_VALUES);
//
// Set up change mask.
//
memcpy(changeBits, sptwb.ucDataBuf, sptwb.ucDataBuf[4+1]);
pageLength = changeBits[4+1];
//
// Get current values.
//
printf("\nMode Sense Caching Page (old current values)\n");
DoModeSense(&sptwb, fileHandle, sensePage | MODE_SENSE_CURRENT_VALUES);
//
// Clear fields that can't be changed.
//
VerifyModePage(&sptwb.ucDataBuf[0], changeBits, pageLength);
//
// Set or clear write cache enable bit.
//
if (senseValues == 4)
sptwb.ucDataBuf[4 + 2] |= 0x4;
else
sptwb.ucDataBuf[4+2] &= ~0x4;
//
// Determine whether this change should be saved.
//
while (TRUE) {
printf("\n0:Do not save page\n");
printf("1:Save page\n");
printf("99:Select page\n");
printf("\nSave action? ");
scanf("%d", &saveAction);
if (saveAction == 99) {
goto newPage;
}
if (saveAction == 0 ||
saveAction == 1) {
break;
}
}
DoModeSelect(&sptwb,
fileHandle,
saveAction,
pageLength + 6);
//
// Get new current values.
//
printf("\nMode Sense Caching Page (new current values)\n");
DoModeSense(&sptwb, fileHandle, sensePage | MODE_SENSE_CURRENT_VALUES);
goto newPage;
}