//
// Send Stop Ccb to the LURN.
//
NTSTATUS
SendStopCcbToLurn(
PLURELATION_NODE Lurn
) {
PCCB ccb;
NTSTATUS ntStatus;
KDPrintM(DBG_LURN_TRACE,("entered.\n"));
ASSERT(KeGetCurrentIrql() == PASSIVE_LEVEL);
ntStatus = LSCcbAllocate(&ccb);
if(!NT_SUCCESS(ntStatus)) {
return STATUS_INSUFFICIENT_RESOURCES;
}
LSCCB_INITIALIZE(ccb, 0);
ccb->OperationCode = CCB_OPCODE_STOP;
ccb->HwDeviceExtension = NULL;
LSCcbSetFlag(ccb, CCB_FLAG_SYNCHRONOUS|CCB_FLAG_ALLOCATED|CCB_FLAG_LOWER_LURN);
LSCcbSetCompletionRoutine(ccb, NULL, NULL);
//
// Send a CCB to the LURN.
//
ntStatus = LurnRequest(
Lurn,
ccb
);
if(!NT_SUCCESS(ntStatus)) {
LSCcbFree(ccb);
}
return ntStatus;
}
NTSTATUS
RemoveDeviceFromMiniport(
IN PMINIPORT_DEVICE_EXTENSION HwDeviceExtension,
IN PMINIPORT_LU_EXTENSION LuExtension,
IN PSCSI_REQUEST_BLOCK Srb,
IN ULONG CurSrbSequence
) {
NDSC_WORKITEM_INIT WorkitemCtx;
NTSTATUS status;
PCCB Ccb;
//
// initilize Ccb in srb.
//
KDPrint(1, ("Entered.\n"));
status = LSCcbAllocate(&Ccb);
if(!NT_SUCCESS(status)) {
KDPrint(1, ("failed.\n"));
return status;
}
LSCcbInitialize(
Srb,
HwDeviceExtension,
CurSrbSequence,
Ccb
);
InterlockedIncrement(&HwDeviceExtension->RequestExecuting);
LsuIncrementTdiClientInProgress();
LSCcbSetCompletionRoutine(Ccb, NdscAdapterCompletion, HwDeviceExtension);
LSCcbSetNextStackLocation(Ccb);
//
// Queue a workitem
//
NDSC_INIT_WORKITEM(&WorkitemCtx, RemoveDeviceFromMiniport_Worker, Ccb, LuExtension, NULL, HwDeviceExtension);
status = MiniQueueWorkItem(&_NdscGlobals, HwDeviceExtension->ScsiportFdoObject, &WorkitemCtx);
if(NT_SUCCESS(status)) {
status = STATUS_PENDING;
}
return status;
}
NTSTATUS
MiniSrbControl(
IN PMINIPORT_DEVICE_EXTENSION HwDeviceExtension,
IN PMINIPORT_LU_EXTENSION LuExtension,
IN PSCSI_REQUEST_BLOCK Srb,
IN ULONG CurSrbSequence
)
/*++
Routine Description:
This is the SRB_IO_CONTROL handler for this driver. These requests come from
the management driver.
Arguments:
DeviceExtension - Context
Srb - The request to process.
Return Value:
Value from the helper routines, or if handled in-line, SUCCESS or INVALID_REQUEST.
--*/
{
PSRB_IO_CONTROL srbIoControl;
PUCHAR srbIoctlBuffer;
LONG srbIoctlBufferLength;
ULONG controlCode;
ULONG transferPages = 0;
NTSTATUS status;
UCHAR srbStatus;
//
// Start off being paranoid.
//
if (Srb->DataBuffer == NULL) {
KDPrint(1,("DataBuffer is NULL\n"));
Srb->SrbStatus = SRB_STATUS_INVALID_REQUEST;
return STATUS_INVALID_PARAMETER;
}
status = STATUS_MORE_PROCESSING_REQUIRED;
srbStatus = SRB_STATUS_SUCCESS;
//
// Extract the io_control
//
srbIoControl = (PSRB_IO_CONTROL)Srb->DataBuffer;
//
// Ensure the signature is correct.
//
if (strncmp(srbIoControl->Signature, LANSCSIMINIPORT_IOCTL_SIGNATURE, 8) != 0) {
KDPrint(1,("Signature mismatch %8s, %8s\n", srbIoControl->Signature, LANSCSIMINIPORT_IOCTL_SIGNATURE));
Srb->SrbStatus = SRB_STATUS_INVALID_REQUEST;
return STATUS_INVALID_PARAMETER;
}
//
// Get the control code.
//
controlCode = srbIoControl->ControlCode;
//
// Get the Ioctl buffer. If this is a send message request, it gets
// fixed up to be an I2O message later.
//
srbIoctlBuffer = ((PUCHAR)Srb->DataBuffer) + sizeof(SRB_IO_CONTROL);
srbIoctlBufferLength = srbIoControl->Length;
//
// Based on the control code, figure out what to do.
//
switch (controlCode) {
case LANSCSIMINIPORT_IOCTL_GET_DVD_STATUS:
{
srbStatus = SrbIoctlGetDVDSTatus(
HwDeviceExtension,
LuExtension,
srbIoctlBufferLength,
srbIoctlBuffer,
&srbIoControl->ReturnCode,
CurSrbSequence
);
if(srbStatus == SRB_STATUS_SUCCESS) {
KDPrint(4,("LANSCSIMINIPORT_IOCTL_QUERYINFO_EX: Successful.\n"));
status = STATUS_SUCCESS;
} else {
status = STATUS_UNSUCCESSFUL;
}
}
break;
case LANSCSIMINIPORT_IOCTL_GET_SLOT_NO:
KDPrint(2,("Get Slot No. Slot number is %d\n", HwDeviceExtension->SlotNumber));
*(PULONG)srbIoctlBuffer = HwDeviceExtension->SlotNumber;
srbIoControl->ReturnCode = 0;
srbStatus = SRB_STATUS_SUCCESS;
status = STATUS_SUCCESS;
break;
case LANSCSIMINIPORT_IOCTL_QUERYINFO_EX: {
PLSMPIOCTL_QUERYINFO QueryInfo;
PUCHAR tmpBuffer;
KDPrint(5, ("Query information EX.\n"));
QueryInfo = (PLSMPIOCTL_QUERYINFO)srbIoctlBuffer;
tmpBuffer = ExAllocatePoolWithTag(NonPagedPool, srbIoctlBufferLength, LSMP_PTAG_IOCTL);
if(tmpBuffer == NULL) {
ASSERT(FALSE);
KDPrint(1,("LANSCSIMINIPORT_IOCTL_QUERYINFO_EX: SRB_STATUS_DATA_OVERRUN. BufferLength:%d\n", srbIoctlBufferLength));
srbStatus = SRB_STATUS_DATA_OVERRUN;
break;
}
srbStatus = SrbIoctlQueryInfo(
HwDeviceExtension,
LuExtension,
QueryInfo,
srbIoctlBufferLength,
tmpBuffer,
&srbIoControl->ReturnCode,
CurSrbSequence
);
if(srbStatus == SRB_STATUS_SUCCESS) {
KDPrint(4,("LANSCSIMINIPORT_IOCTL_QUERYINFO_EX: Successful.\n"));
RtlCopyMemory(srbIoctlBuffer, tmpBuffer, srbIoctlBufferLength);
status = STATUS_SUCCESS;
} else {
status = STATUS_UNSUCCESSFUL;
}
ExFreePoolWithTag(tmpBuffer, LSMP_PTAG_IOCTL);
break;
}
case LANSCSIMINIPORT_IOCTL_UPGRADETOWRITE: {
PLURN_UPDATE LurnUpdate;
PCCB Ccb;
//
// Set a CCB
//
status = LSCcbAllocate(&Ccb);
if(!NT_SUCCESS(status)) {
srbStatus = SRB_STATUS_INVALID_REQUEST;
KDPrint(1,("LANSCSIMINIPORT_IOCTL_UPGRADETOWRITE: LSCcbAllocate() failed.\n"));
break;
}
LurnUpdate = (PLURN_UPDATE)ExAllocatePoolWithTag(NonPagedPool, sizeof(LURN_UPDATE), LSMP_PTAG_IOCTL);
if(!LurnUpdate) {
srbStatus = SRB_STATUS_INVALID_REQUEST;
KDPrint(1,("LANSCSIMINIPORT_IOCTL_UPGRADETOWRITE: ExAllocatePoolWithTag() failed.\n"));
status = STATUS_INSUFFICIENT_RESOURCES;
break;
}
LSCCB_INITIALIZE(Ccb, CurSrbSequence);
Ccb->OperationCode = CCB_OPCODE_UPDATE;
Ccb->DataBuffer = LurnUpdate;
Ccb->DataBufferLength = sizeof(LURN_UPDATE);
LSCcbSetFlag(Ccb, CCB_FLAG_ALLOCATED|CCB_FLAG_DATABUF_ALLOCATED);
// Ioctl Srb will complete asynchronously.
Ccb->Srb = Srb;
InterlockedIncrement(&HwDeviceExtension->RequestExecuting);
LsuIncrementTdiClientInProgress();
LSCcbSetCompletionRoutine(Ccb, NdscAdapterCompletion, HwDeviceExtension);
LurnUpdate->UpdateClass = LURN_UPDATECLASS_WRITEACCESS_USERID;
KDPrint(3,("LANSCSIMINIPORT_IOCTL_UPGRADETOWRITE: going to default LuExtention 0.\n"));
status = LurRequest(
HwDeviceExtension->LURs[0], // default: 0.
Ccb
);
if(!NT_SUCCESS(status)) {
KDPrint(1,("LANSCSIMINIPORT_IOCTL_UPGRADETOWRITE: LurnRequest() failed.\n"));
NDScsiLogError(
HwDeviceExtension,
Srb,
Srb->PathId,
Srb->TargetId,
Srb->Lun,
NDASSCSI_IO_UPGRADEIOCTL_FAIL,
EVTLOG_UNIQUEID(EVTLOG_MODULE_IOCTL, EVTLOG_FAIL_UPGRADEIOCTL, 0)
);
LSCcbFree(Ccb);
ExFreePoolWithTag(LurnUpdate, LSMP_PTAG_IOCTL);
status = STATUS_SUCCESS;
srbStatus = SRB_STATUS_INVALID_REQUEST;
} else {
status = STATUS_PENDING;
}
break;
}
case LANSCSIMINIPORT_IOCTL_ADD_TARGET: {
PLANSCSI_ADD_TARGET_DATA AddTargetData;
PLURELATION_DESC LurDesc;
LONG LurDescLength;
LONG LurnCnt;
AddTargetData = (PLANSCSI_ADD_TARGET_DATA)srbIoctlBuffer;
LurnCnt = AddTargetData->ulNumberOfUnitDiskList;
LurDescLength = sizeof(LURELATION_DESC) + // LURELATION_DESC
(sizeof(LURELATION_NODE_DESC) + sizeof(LONG) * (LurnCnt-1)) * // LURELATION_NODE_DESC
(LurnCnt - 1);
//
// Allocate LUR Descriptor
// It will be freed in the worker routine.
//
LurDesc = (PLURELATION_DESC)ExAllocatePoolWithTag(NonPagedPool, LurDescLength, LSMP_PTAG_IOCTL);
if(LurDesc == NULL) {
srbStatus = SRB_STATUS_ERROR;
status = STATUS_SUCCESS;
break;
}
// Pass Adapter max request block as LUR max request blocks
status = LurTranslateAddTargetDataToLURDesc(
AddTargetData,
HwDeviceExtension->AdapterMaxBlocksPerRequest,
LurDescLength,
LurDesc
);
if(NT_SUCCESS(status)) {
ASSERT(LurDescLength>0);
status = AddNewDeviceToMiniport(HwDeviceExtension, LuExtension, Srb, CurSrbSequence, LurDesc);
}
}
case LANSCSIMINIPORT_IOCTL_ADD_DEVICE: {
PLURELATION_DESC LurDesc;
LurDesc = (PLURELATION_DESC)srbIoctlBuffer;
status = AddNewDeviceToMiniport(HwDeviceExtension, LuExtension, Srb, CurSrbSequence, LurDesc);
break;
}
case LANSCSIMINIPORT_IOCTL_REMOVE_DEVICE: {
status = RemoveDeviceFromMiniport(HwDeviceExtension, LuExtension, Srb, CurSrbSequence);
break;
}
case LANSCSIMINIPORT_IOCTL_REMOVE_TARGET: {
PLANSCSI_REMOVE_TARGET_DATA RemoveTargetData;
RemoveTargetData = (PLANSCSI_REMOVE_TARGET_DATA)srbIoctlBuffer;
status = RemoveDeviceFromMiniport(HwDeviceExtension, NULL, Srb, CurSrbSequence);
break;
}
case LANSCSIMINIPORT_IOCTL_NOOP: {
PCCB Ccb;
//
// Query to the LUR
//
status = LSCcbAllocate(&Ccb);
if(!NT_SUCCESS(status)) {
srbStatus = SRB_STATUS_ERROR;
status = STATUS_SUCCESS;
KDPrint(1,("LSCcbAllocate() failed.\n"));
break;
}
LSCCB_INITIALIZE(Ccb, CurSrbSequence);
Ccb->OperationCode = CCB_OPCODE_NOOP;
LSCcbSetFlag(Ccb, CCB_FLAG_ALLOCATED);
Ccb->Srb = Srb;
LSCcbSetCompletionRoutine(Ccb, NdscAdapterCompletion, HwDeviceExtension);
KDPrint(3,("going to default LuExtention 0.\n"));
InterlockedIncrement(&HwDeviceExtension->RequestExecuting);
LsuIncrementTdiClientInProgress();
status = LurRequest(
HwDeviceExtension->LURs[0], // default: 0.
Ccb
);
if(!NT_SUCCESS(status)) {
srbStatus = SRB_STATUS_ERROR;
status = STATUS_SUCCESS;
KDPrint(1,("LurRequest() failed.\n"));
break;
}
srbStatus = SRB_STATUS_SUCCESS;
status = STATUS_PENDING;
break;
}
case LANSCSIMINIPORT_IOCTL_GET_VERSION: {
PLSMPIOCTL_DRVVER version = (PLSMPIOCTL_DRVVER)srbIoctlBuffer;
version->VersionMajor = VER_FILEMAJORVERSION;
version->VersionMinor = VER_FILEMINORVERSION;
version->VersionBuild = VER_FILEBUILD;
version->VersionPrivate = VER_FILEBUILD_QFE;
srbStatus = SRB_STATUS_SUCCESS;
status = STATUS_SUCCESS;
break;
}
default:
KDPrint(2,("Control Code (%x)\n", controlCode));
srbStatus = SRB_STATUS_INVALID_REQUEST;
status = STATUS_MORE_PROCESSING_REQUIRED;
}
Srb->SrbStatus = srbStatus;
return status;
}