Source code of Windows XP (NT5)
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600 lines
17 KiB

#include <nt.h>
#include <ntddscsi.h>
#include <ntdddisk.h>
#include <ntddcdrm.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <windows.h>
#include <stdio.h>
#include <process.h>
#include <memory.h>
#include <string.h>
#include <stdlib.h>
#include <string.h>
#define _NTSCSI_USER_MODE_
#include <scsi.h>
VOID
GetDriverName(
IN ULONG PortNumber
)
{
UNICODE_STRING name;
UNICODE_STRING unicodeString;
ANSI_STRING ansiString;
HANDLE key;
HANDLE portKey;
OBJECT_ATTRIBUTES objectAttributes;
NTSTATUS status;
UCHAR buffer[64];
ULONG length;
PKEY_VALUE_FULL_INFORMATION keyData = (PKEY_VALUE_FULL_INFORMATION)buffer;
printf("\nSCSI PORT %d\n", PortNumber);
//
// Obtain handle to SCSI path in device map.
//
RtlInitUnicodeString(&name,
L"\\Registry\\Machine\\Hardware\\DeviceMap\\Scsi");
//
// Initialize the object for the key.
//
InitializeObjectAttributes(&objectAttributes,
&name,
OBJ_CASE_INSENSITIVE,
NULL,
(PSECURITY_DESCRIPTOR) NULL);
//
// Open the key.
//
status = NtOpenKey(&key,
KEY_READ,
&objectAttributes);
if (!NT_SUCCESS(status)) {
return;
}
//
// Create Scsi port name.
//
sprintf(buffer,
"Scsi Port %d",
PortNumber);
RtlInitString(&ansiString, buffer);
status = RtlAnsiStringToUnicodeString(&unicodeString,
&ansiString,
TRUE);
if (!NT_SUCCESS(status)) {
return;
}
InitializeObjectAttributes( &objectAttributes,
&unicodeString,
OBJ_CASE_INSENSITIVE,
key,
(PSECURITY_DESCRIPTOR) NULL );
status = NtOpenKey(&portKey,
KEY_READ,
&objectAttributes);
if (!NT_SUCCESS(status)) {
return;
}
RtlInitUnicodeString(&name,
L"Driver");
status = NtQueryValueKey(portKey,
&name,
KeyValueFullInformation,
keyData,
64,
&length);
if (!NT_SUCCESS(status)) {
return;
}
printf("Driver name: %S\n",
(PUCHAR)keyData + keyData->DataOffset);
RtlInitUnicodeString(&name,
L"Interrupt");
status = NtQueryValueKey(portKey,
&name,
KeyValueFullInformation,
keyData,
64,
&length);
if (!NT_SUCCESS(status)) {
return;
}
printf("IRQ %d ",
*((PUCHAR)keyData + keyData->DataOffset));
RtlInitUnicodeString(&name,
L"IOAddress");
status = NtQueryValueKey(portKey,
&name,
KeyValueFullInformation,
keyData,
64,
&length);
if (!NT_SUCCESS(status)) {
printf("\n");
return;
}
printf("IO Address %x\n",
*((PULONG)keyData + keyData->DataOffset/4));
return;
}
int __cdecl
main( int argc, char **argv )
{
BYTE buffer[32];
HANDLE volumeHandle;
STRING string;
UNICODE_STRING unicodeString;
OBJECT_ATTRIBUTES objectAttributes;
NTSTATUS ntStatus;
IO_STATUS_BLOCK statusBlock;
ULONG portNumber = 0;
PSCSI_ADAPTER_BUS_INFO adapterInfo;
PSCSI_BUS_DATA busData;
PSCSI_INQUIRY_DATA inquiryData;
UCHAR prevDeviceInquiryData[INQUIRYDATABUFFERSIZE];
PINQUIRYDATA deviceInquiryData;
ULONG bytesTransferred, i, j;
ULONG deviceNumber;
BOOLEAN newDisk = FALSE;
BOOLEAN newCdrom = FALSE;
UCHAR prevPathId;
UCHAR prevTargetId;
UCHAR prevLun;
BOOLEAN prevDeviceClaimed;
BOOLEAN listAdapters = FALSE;
BOOLEAN allAdapters = TRUE;
UCHAR lunExtra;
if(argc == 2) {
if(argv[1][0] == '*') {
listAdapters = TRUE;
} else {
portNumber = atoi(argv[1]);
allAdapters = FALSE;
}
}
printf("\nWindows NT SCSI Bus Rescan Version 1.1\n");
if(listAdapters) {
printf("[only listing adapters]\n");
} else if(allAdapters) {
printf("[scanning all adapters]\n");
} else {
printf("[scanning adapter %d only]\n", portNumber);
}
while (TRUE) {
memset( buffer, 0, sizeof( buffer ) );
sprintf( buffer,
"\\\\.\\Scsi%d:",
portNumber);
//
// Open the volume with the DOS name.
//
volumeHandle = CreateFile( buffer,
GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
0,
0 );
if( volumeHandle == INVALID_HANDLE_VALUE ) {
break;
}
if(listAdapters) {
GetDriverName(portNumber);
portNumber++;
CloseHandle(volumeHandle);
continue;
}
//
// Issue rescan device control.
//
if( !DeviceIoControl( volumeHandle,
IOCTL_SCSI_RESCAN_BUS,
NULL,
0,
NULL,
0,
&bytesTransferred,
NULL ) ) {
printf( "Rescan SCSI port %d failed [Error %d].\n", portNumber, GetLastError() );
CloseHandle( volumeHandle );
exit(4);
}
//
// Get a big chuck of memory to store the SCSI bus data.
//
adapterInfo = malloc( 0x1000 );
if (adapterInfo == NULL) {
printf( "Can't allocate memory for bus data\n" );
CloseHandle( volumeHandle );
exit(4);
}
//
// Issue device control to get configuration information.
//
if (!DeviceIoControl( volumeHandle,
IOCTL_SCSI_GET_INQUIRY_DATA,
NULL,
0,
adapterInfo,
0x1000,
&bytesTransferred,
NULL)) {
printf( "Get SCSI bus data failed [Error %d].\n", GetLastError() );
CloseHandle( volumeHandle );
exit(4);
}
GetDriverName(portNumber);
//
// Display devices on buses.
//
for (i=0; i < adapterInfo->NumberOfBuses; i++) {
busData = &adapterInfo->BusData[i];
printf( "\nBus TID LUN In use Type Vendor FW Rev Advanced SCSI\n" );
printf( "===============================================================================\n" );
printf("%2d %2d %2d %2d Initiator",
i,
busData->InitiatorBusId & 0x7,
0,
1);
inquiryData =
(PSCSI_INQUIRY_DATA)((PUCHAR)adapterInfo + busData->InquiryDataOffset);
memset(&prevDeviceInquiryData, 0, INQUIRYDATABUFFERSIZE);
prevPathId = 0xFF;
prevTargetId = 0xFF;
prevLun = 0xFF;
prevDeviceClaimed = 0xFF;
for (j=0; j<busData->NumberOfLogicalUnits; j++) {
int k;
//
// Make sure VendorId string is null terminated.
//
deviceInquiryData = (PINQUIRYDATA)&inquiryData->InquiryData[0];
deviceInquiryData->VendorSpecific[0] = '\0';
if (prevPathId != inquiryData->PathId ||
prevTargetId != inquiryData->TargetId ||
prevLun != (inquiryData->Lun-1) ||
prevDeviceClaimed != inquiryData->DeviceClaimed ||
memcmp( &prevDeviceInquiryData, deviceInquiryData, INQUIRYDATABUFFERSIZE)
) {
lunExtra = 0;
printf("\n%2d %2d %2d %2d ",
inquiryData->PathId,
inquiryData->TargetId,
inquiryData->Lun,
inquiryData->DeviceClaimed);
} else {
lunExtra += 1;
printf("\r%2d %2d %2d-%1d %2d ",
inquiryData->PathId,
inquiryData->TargetId,
inquiryData->Lun-lunExtra,
inquiryData->Lun,
inquiryData->DeviceClaimed);
}
prevPathId = inquiryData->PathId;
prevTargetId = inquiryData->TargetId;
prevLun = inquiryData->Lun;
prevDeviceClaimed = inquiryData->DeviceClaimed;
memmove( &prevDeviceInquiryData, deviceInquiryData, INQUIRYDATABUFFERSIZE);
//
// Determine the perpherial type.
//
switch (deviceInquiryData->DeviceType) {
case DIRECT_ACCESS_DEVICE:
if (!inquiryData->DeviceClaimed) {
newDisk = TRUE;
}
printf("Disk Drive ");
break;
case SEQUENTIAL_ACCESS_DEVICE:
printf("Tape Drive ");
break;
case PRINTER_DEVICE:
printf("Printer ");
break;
case WRITE_ONCE_READ_MULTIPLE_DEVICE:
printf("Worm Drive ");
break;
case READ_ONLY_DIRECT_ACCESS_DEVICE:
if (!inquiryData->DeviceClaimed) {
newCdrom = TRUE;
}
printf("CdRom Drive");
break;
case SCANNER_DEVICE:
printf("Scanner ");
break;
case OPTICAL_DEVICE:
if (!inquiryData->DeviceClaimed) {
newDisk = TRUE;
}
printf("OpticalDisk");
break;
case MEDIUM_CHANGER:
printf("MediumChanger");
break;
case COMMUNICATION_DEVICE:
printf("Communication");
break;
default:
printf("OtherPeripheral");
}
//
// Display product information.
//
printf(" %s", deviceInquiryData->VendorId);
//
// Display SCSI capabilities.
//
printf(" ");
if (deviceInquiryData->Synchronous) {
printf(" SN");
}
if (deviceInquiryData->CommandQueue) {
printf(" CQ");
}
if (deviceInquiryData->Wide16Bit) {
printf(" W16");
}
if (deviceInquiryData->Wide32Bit) {
printf(" W32");
}
if (deviceInquiryData->SoftReset) {
printf(" SR");
}
if (deviceInquiryData->LinkedCommands) {
printf(" LC");
}
if (deviceInquiryData->RelativeAddressing) {
printf(" RA");
}
if (deviceInquiryData->DeviceTypeQualifier != DEVICE_QUALIFIER_ACTIVE) {
printf(" DQ%d", deviceInquiryData->DeviceTypeQualifier);
}
printf("\n [ ");
for(k = 0; k < 8; k++) {
printf("%02x ", ((PUCHAR) deviceInquiryData)[k]);
}
printf("]");
//
// Get next device data.
//
inquiryData =
(PSCSI_INQUIRY_DATA)((PUCHAR)adapterInfo + inquiryData->NextInquiryDataOffset);
}
printf("\n");
}
free (adapterInfo);
if(allAdapters) {
CloseHandle( volumeHandle );
portNumber++;
} else {
break;
}
}
if (newDisk) {
//
// Send IOCTL_DISK_FIND_NEW_DEVICES commands to each existing disk.
//
deviceNumber = 0;
while (TRUE) {
memset(buffer, 0, sizeof(buffer));
sprintf(buffer,
"\\Device\\Harddisk%d\\Partition0",
deviceNumber);
RtlInitString(&string,
buffer);
ntStatus = RtlAnsiStringToUnicodeString(&unicodeString,
&string,
TRUE);
if (!NT_SUCCESS(ntStatus)) {
continue;
}
InitializeObjectAttributes(&objectAttributes,
&unicodeString,
0,
NULL,
NULL);
ntStatus = NtOpenFile(&volumeHandle,
FILE_READ_DATA |
FILE_WRITE_DATA |
SYNCHRONIZE,
&objectAttributes,
&statusBlock,
FILE_SHARE_READ |
FILE_SHARE_WRITE,
FILE_SYNCHRONOUS_IO_ALERT);
if (!NT_SUCCESS(ntStatus)) {
break;
}
//
// Issue find device device control.
//
if (DeviceIoControl( volumeHandle,
IOCTL_DISK_FIND_NEW_DEVICES,
NULL,
0,
NULL,
0,
&bytesTransferred,
NULL ) ) {
printf( "Found new disk (%d)\n", deviceNumber );
}
CloseHandle( volumeHandle );
deviceNumber++;
}
}
if (newCdrom) {
//
// Send IOCTL_CDROM_FIND_NEW_DEVICES commands to each existing cdrom.
//
deviceNumber = 0;
while (TRUE) {
memset(buffer, 0, sizeof(buffer));
sprintf(buffer,
"\\Device\\Cdrom%d",
deviceNumber);
RtlInitString(&string,
buffer);
ntStatus = RtlAnsiStringToUnicodeString(&unicodeString,
&string,
TRUE);
if (!NT_SUCCESS(ntStatus)) {
continue;
}
InitializeObjectAttributes(&objectAttributes,
&unicodeString,
0,
NULL,
NULL);
ntStatus = NtOpenFile(&volumeHandle,
FILE_READ_DATA |
FILE_WRITE_DATA |
SYNCHRONIZE,
&objectAttributes,
&statusBlock,
FILE_SHARE_READ |
FILE_SHARE_WRITE,
FILE_SYNCHRONOUS_IO_ALERT);
if (!NT_SUCCESS(ntStatus)) {
break;
}
//
// Issue find device device control.
//
if (DeviceIoControl( volumeHandle,
IOCTL_CDROM_FIND_NEW_DEVICES,
NULL,
0,
NULL,
0,
&bytesTransferred,
NULL ) ) {
printf( "Found new cdrom (%d)\n", deviceNumber );
}
CloseHandle( volumeHandle );
deviceNumber++;
}
}
return(0);
}