//
// Complete all Ccb in a list.
//
VOID
CcbCompleteList(
PLIST_ENTRY Head,
CHAR CcbStatus,
USHORT StatusFlags
) {
PLIST_ENTRY listEntry;
PCCB ccb;
while(1) {
listEntry = RemoveHeadList(Head);
if(listEntry==Head)
break;
ccb = CONTAINING_RECORD(listEntry, CCB, ListEntry);
ccb->CcbStatus=CcbStatus;
//
// We do not allow to set CCBSTATUS_FLAG_PENDING and CCBSTATUS_FLAG_COMPLETED except for CcbCompletion function.
//
LSCcbSetStatusFlag(ccb, CCBSTATUS_FLAG_TIMER_COMPLETE| (StatusFlags & CCBSTATUS_FLAG_ASSIGNMASK));
LSCcbCompleteCcb(ccb);
KDPrintM(DBG_LURN_ERROR, ("Completed Ccb:%p\n", ccb));
}
}
NTSTATUS
RemoveDeviceFromMiniport_Worker(
IN PDEVICE_OBJECT DeviceObject,
IN PNDSC_WORKITEM WorkitemCtx
) {
PMINIPORT_DEVICE_EXTENSION HwDeviceExtension;
PMINIPORT_LU_EXTENSION LuExtension;
LONG LURCount;
KIRQL oldIrql;
PLURELATION Lur;
PCCB Ccb;
NTSTATUS status;
ASSERT(WorkitemCtx);
UNREFERENCED_PARAMETER(DeviceObject);
KDPrint(1,("Entered.\n"));
LuExtension = (PMINIPORT_LU_EXTENSION)WorkitemCtx->Arg1;
HwDeviceExtension = (PMINIPORT_DEVICE_EXTENSION)WorkitemCtx->Arg3;
Ccb = WorkitemCtx->Ccb;
ACQUIRE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, &oldIrql);
//
// We support only one LUR for now.
//
Lur = HwDeviceExtension->LURs[0];
HwDeviceExtension->LURs[0] = NULL;
RELEASE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, oldIrql);
if(!Lur) {
if(Ccb) {
LSCcbSetStatus(Ccb, CCB_STATUS_NOT_EXIST);
LSCcbCompleteCcb(Ccb);
}
NDScsiLogError(
HwDeviceExtension,
NULL,
0,
0,
0,
NDASSCSI_IO_STOPIOCTL_NO_LUR,
EVTLOG_UNIQUEID(EVTLOG_MODULE_IOCTL, EVTLOG_FAIL_LURNULL, 0)
);
KDPrint(1,("Error! LUR is NULL!\n"));
return STATUS_SUCCESS;
}
//
// send stop CCB
//
status = SendCcbToLURSync(HwDeviceExtension, Lur, CCB_OPCODE_STOP);
if(NT_SUCCESS(status)){
NDScsiLogError(
HwDeviceExtension,
NULL,
0,
0,
0,
NDASSCSI_IO_STOPIOCTL_LUR_ERROR,
EVTLOG_UNIQUEID(EVTLOG_MODULE_IOCTL, EVTLOG_FAIL_SENDSTOPCCB, 0xffff & status)
);
KDPrint(1,("Failed to send stop ccb.\n"));
}
LurClose(Lur);
LURCount = InterlockedDecrement(&HwDeviceExtension->LURCount);
ASSERT(LURCount == 0);
//
// Dereference the driver object for this LUR
//
if(Lur != NULL)
ObDereferenceObject(_NdscGlobals.DriverObject);
//
// Notify a bus change.
//
LSCcbSetStatusFlag(Ccb, CCBSTATUS_FLAG_BUSRESET_REQUIRED);
LSCcbSetStatus(Ccb, CCB_STATUS_SUCCESS);
LSCcbCompleteCcb(Ccb);
return STATUS_SUCCESS;
}
NTSTATUS
AddNewDeviceToMiniport_Worker(
IN PDEVICE_OBJECT DeviceObject,
IN PNDSC_WORKITEM WorkitemCtx
) {
PMINIPORT_DEVICE_EXTENSION HwDeviceExtension;
PMINIPORT_LU_EXTENSION LuExtension;
PCCB Ccb;
PLURELATION_DESC LurDesc;
PLURELATION Lur;
NTSTATUS status;
LONG LURCount;
UINT32 DefaultLurFlags;
ASSERT(WorkitemCtx);
UNREFERENCED_PARAMETER(DeviceObject);
LuExtension =(PMINIPORT_LU_EXTENSION) WorkitemCtx->Arg1;
LurDesc = (PLURELATION_DESC)WorkitemCtx->Arg2;
HwDeviceExtension = (PMINIPORT_DEVICE_EXTENSION)WorkitemCtx->Arg3;
Ccb = WorkitemCtx->Ccb;
//
// Get default LUR flags.
//
GetDefaultLurFlags(LurDesc, &DefaultLurFlags);
status = LurCreate(
LurDesc,
DefaultLurFlags,
&Lur,
0,
HwDeviceExtension->ScsiportFdoObject,
LsmpLurnCallback);
if(NT_SUCCESS(status)) {
LURCount = InterlockedIncrement(&HwDeviceExtension->LURCount);
//
// We support only one LUR for now.
//
ASSERT(LURCount == 1);
HwDeviceExtension->LURs[0] = Lur;
}
//
// Free LUR Descriptor
//
ExFreePoolWithTag(LurDesc, LSMP_PTAG_IOCTL);
//
// Make a reference to driver object for each LUR creation
// to prevent from unloading unexpectedly.
// Must be decreased at each LUR deletion.
//
ObReferenceObject(_NdscGlobals.DriverObject);
//
// Notify a bus change.
//
LSCcbSetStatusFlag(Ccb, CCBSTATUS_FLAG_BUSRESET_REQUIRED);
LSCcbCompleteCcb(Ccb);
return status;
}
