NTSTATUS
NdscAdapterCompletion(
IN PCCB Ccb,
IN PMINIPORT_DEVICE_EXTENSION HwDeviceExtension
)
{
KIRQL oldIrql;
static LONG SrbSeq;
LONG srbSeqIncremented;
PSCSI_REQUEST_BLOCK srb;
PCCB abortCcb;
NTSTATUS return_status;
UINT32 AdapterStatus, AdapterStatusBefore;
UINT32 NeedToUpdatePdoInfoInLSBus;
BOOLEAN busResetOccured;
KDPrint(4,("RequestExecuting = %d\n", HwDeviceExtension->RequestExecuting));
srb = Ccb->Srb;
if(!srb) {
KDPrint(2,("Ccb:%p CcbStatus %d. No srb assigned.\n", Ccb, Ccb->CcbStatus));
ASSERT(srb);
return STATUS_SUCCESS;
}
//
// NDASSCSI completion routine will do post operation to complete CCBs.
//
return_status = STATUS_MORE_PROCESSING_REQUIRED;
//
// Set SRB completion sequence for debugging
//
srbSeqIncremented = InterlockedIncrement(&SrbSeq);
#if 0
if(KeGetCurrentIrql() == PASSIVE_LEVEL) {
if((srbSeqIncremented%100) == 0) {
LARGE_INTEGER interval;
KDPrint(2,("Interval for debugging.\n"));
interval.QuadPart = - 11 * 10000000; // 10 seconds
KeDelayExecutionThread(KernelMode, FALSE, &interval);
}
}
#endif
//
// Update Adapter status flag
//
NeedToUpdatePdoInfoInLSBus = FALSE;
ACQUIRE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, &oldIrql);
// Save the bus-reset flag
if(ADAPTER_ISSTATUSFLAG(HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_BUSRESET_PENDING)) {
busResetOccured = TRUE;
} else {
busResetOccured = FALSE;
}
// Save the current flag
AdapterStatusBefore = HwDeviceExtension->AdapterStatus;
// Check reconnecting process.
if (LsCcbIsStatusFlagOn(Ccb, CCBSTATUS_FLAG_RECONNECTING)) {
ADAPTER_SETSTATUSFLAG(HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_RECONNECT_PENDING);
} else {
ADAPTER_RESETSTATUSFLAG(HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_RECONNECT_PENDING);
}
if (!LsCcbIsStatusFlagOn(Ccb, CCBSTATUS_FLAG_RAID_FLAG_VALID)) {
NDAS_ASSERT( Ccb->NdasrStatusFlag8 == 0 );
} else {
NDAS_ASSERT( Ccb->NdasrStatusFlag8 == CCBSTATUS_FLAG_RAID_DEGRADED >> 8 ||
Ccb->NdasrStatusFlag8 == CCBSTATUS_FLAG_RAID_RECOVERING >> 8 ||
Ccb->NdasrStatusFlag8 == CCBSTATUS_FLAG_RAID_FAILURE >> 8 ||
Ccb->NdasrStatusFlag8 == CCBSTATUS_FLAG_RAID_NORMAL >> 8 );
}
// Update adapter status only when CCBSTATUS_FLAG_RAID_FLAG_VALID is on.
// In other case, Ccb has no chance to get flag information from RAID.
if (LsCcbIsStatusFlagOn(Ccb, CCBSTATUS_FLAG_RAID_FLAG_VALID)) {
// Check to see if the associate member is in error.
if (LsCcbIsStatusFlagOn(Ccb, CCBSTATUS_FLAG_RAID_DEGRADED)) {
if (!ADAPTER_ISSTATUSFLAG(HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_MEMBER_FAULT)) {
KDPrint(2, ("NDASSCSI_ADAPTER_STATUSFLAG_MEMBER_FAULT is Set\n") );
}
ADAPTER_SETSTATUSFLAG( HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_MEMBER_FAULT );
} else {
ADAPTER_RESETSTATUSFLAG( HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_MEMBER_FAULT );
}
// Check recovering process.
if (LsCcbIsStatusFlagOn(Ccb, CCBSTATUS_FLAG_RAID_RECOVERING)) {
if (!ADAPTER_ISSTATUSFLAG(HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_RECOVERING)) {
KDPrint(2, ("NDASSCSI_ADAPTER_STATUSFLAG_RECOVERING is Set\n") );
}
ADAPTER_SETSTATUSFLAG( HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_RECOVERING );
} else {
ADAPTER_RESETSTATUSFLAG( HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_RECOVERING );
}
// Check RAID failure
if (LsCcbIsStatusFlagOn(Ccb, CCBSTATUS_FLAG_RAID_FAILURE)) {
if (!ADAPTER_ISSTATUSFLAG(HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_RAID_FAILURE)) {
KDPrint(2, ("NDASSCSI_ADAPTER_STATUSFLAG_RAID_FAILURE is Set\n") );
}
ADAPTER_SETSTATUSFLAG( HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_RAID_FAILURE );
} else {
ADAPTER_RESETSTATUSFLAG( HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_RAID_FAILURE );
}
// Set RAID normal status
if (LsCcbIsStatusFlagOn(Ccb, CCBSTATUS_FLAG_RAID_NORMAL)) {
if (!ADAPTER_ISSTATUSFLAG(HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_RAID_NORMAL)) {
KDPrint(2, ("NDASSCSI_ADAPTER_STATUSFLAG_RAID_NORMAL is Set\n") );
}
ADAPTER_SETSTATUSFLAG( HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_RAID_NORMAL );
} else {
ADAPTER_RESETSTATUSFLAG( HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_RAID_NORMAL );
}
}
// power-recycle occurred.
if(LsCcbIsStatusFlagOn(Ccb, CCBSTATUS_FLAG_POWERRECYLE_OCCUR)) {
ADAPTER_SETSTATUSFLAG(HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_POWERRECYCLED);
} else {
ADAPTER_RESETSTATUSFLAG(HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_POWERRECYCLED);
}
if (ADAPTER_ISSTATUSFLAG(HwDeviceExtension, NDASSCSI_ADAPTER_STATUSFLAG_POWERRECYCLED)) {
//NDAS_ASSERT( FALSE );
}
AdapterStatus = HwDeviceExtension->AdapterStatus;
RELEASE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, oldIrql);
if(AdapterStatus != AdapterStatusBefore)
{
if(
!(AdapterStatusBefore & NDASSCSI_ADAPTER_STATUSFLAG_MEMBER_FAULT) &&
(AdapterStatus & NDASSCSI_ADAPTER_STATUSFLAG_MEMBER_FAULT)
)
{
// NDASSCSI_ADAPTER_STATUSFLAG_MEMBER_FAULT on
SCSI_PORT_LOG_ERROR_MODULE_COMPLETION(NDASSCSI_IO_MEMBER_FAULT, EVTLOG_MEMBER_IN_ERROR);
KDPrint(2,("Ccb:%p CcbStatus %d. Set member fault.\n", Ccb, Ccb->CcbStatus));
}
if(
(AdapterStatusBefore & NDASSCSI_ADAPTER_STATUSFLAG_MEMBER_FAULT) &&
!(AdapterStatus & NDASSCSI_ADAPTER_STATUSFLAG_MEMBER_FAULT)
)
{
// NDASSCSI_ADAPTER_STATUSFLAG_MEMBER_FAULT off
SCSI_PORT_LOG_ERROR_MODULE_COMPLETION(NDASSCSI_IO_MEMBER_FAULT_RECOVERED, EVTLOG_MEMBER_RECOVERED);
KDPrint(2,("Ccb:%p CcbStatus %d. Reset member fault.\n", Ccb, Ccb->CcbStatus));
}
if(
!(AdapterStatusBefore & NDASSCSI_ADAPTER_STATUSFLAG_RECONNECT_PENDING) &&
(AdapterStatus & NDASSCSI_ADAPTER_STATUSFLAG_RECONNECT_PENDING)
)
{
// NDASSCSI_ADAPTER_STATUSFLAG_RECONNECT_PENDING on
SCSI_PORT_LOG_ERROR_MODULE_COMPLETION(NDASSCSI_IO_RECONNECT_START, EVTLOG_START_RECONNECTION);
KDPrint(2,("Ccb:%p CcbStatus %d. Start reconnecting\n", Ccb, Ccb->CcbStatus));
}
if(
(AdapterStatusBefore & NDASSCSI_ADAPTER_STATUSFLAG_RECONNECT_PENDING) &&
!(AdapterStatus & NDASSCSI_ADAPTER_STATUSFLAG_RECONNECT_PENDING)
)
{
// NDASSCSI_ADAPTER_STATUSFLAG_RECONNECT_PENDING off
SCSI_PORT_LOG_ERROR_MODULE_COMPLETION(NDASSCSI_IO_RECONNECTED, EVTLOG_END_RECONNECTION);
KDPrint(2,("Ccb:%p CcbStatus %d. Finish reconnecting\n", Ccb, Ccb->CcbStatus));
}
if(
!(AdapterStatusBefore & NDASSCSI_ADAPTER_STATUSFLAG_RECOVERING) &&
(AdapterStatus & NDASSCSI_ADAPTER_STATUSFLAG_RECOVERING)
)
{
// NDASSCSI_ADAPTER_STATUSFLAG_RECOVERING on
SCSI_PORT_LOG_ERROR_MODULE_COMPLETION(NDASSCSI_IO_RECOVERY_START, EVTLOG_START_RECOVERING);
KDPrint(2,("Ccb:%p CcbStatus %d. Started recovering\n", Ccb, Ccb->CcbStatus));
}
if(
(AdapterStatusBefore & NDASSCSI_ADAPTER_STATUSFLAG_RECOVERING) &&
!(AdapterStatus & NDASSCSI_ADAPTER_STATUSFLAG_RECOVERING) &&
!(AdapterStatus & (NDASSCSI_ADAPTER_STATUSFLAG_RAID_FAILURE|NDASSCSI_ADAPTER_STATUSFLAG_MEMBER_FAULT)) &&
(AdapterStatus & NDASSCSI_ADAPTER_STATUSFLAG_RAID_NORMAL))
{
// NDASSCSI_ADAPTER_STATUSFLAG_RECOVERING off
SCSI_PORT_LOG_ERROR_MODULE_COMPLETION(NDASSCSI_IO_RECOVERED, EVTLOG_END_RECOVERING);
KDPrint(2,("Ccb:%p CcbStatus %d. Ended recovering\n", Ccb, Ccb->CcbStatus));
}
if (
(AdapterStatus & NDASSCSI_ADAPTER_STATUSFLAG_RAID_FAILURE) &&
!(AdapterStatusBefore & NDASSCSI_ADAPTER_STATUSFLAG_RAID_FAILURE))
{
SCSI_PORT_LOG_ERROR_MODULE_COMPLETION(NDASSCSI_IO_RAID_FAILURE, EVTLOG_RAID_FAILURE);
KDPrint(2,("Ccb:%p CcbStatus %d. RAID failure\n", Ccb, Ccb->CcbStatus));
}
if(
!(AdapterStatusBefore & NDASSCSI_ADAPTER_STATUSFLAG_POWERRECYCLED) &&
(AdapterStatus & NDASSCSI_ADAPTER_STATUSFLAG_POWERRECYCLED)
)
{
// NDASSCSI_ADAPTER_STATUSFLAG_POWERRECYCLED on
SCSI_PORT_LOG_ERROR_MODULE_COMPLETION(NDASSCSI_IO_DISK_POWERRECYCLE, EVTLOG_DISK_POWERRECYCLED);
KDPrint(2,("Ccb:%p CcbStatus %d. Started recovering\n", Ccb, Ccb->CcbStatus));
}
NeedToUpdatePdoInfoInLSBus = TRUE;
}
//
// If CCB_OPCODE_UPDATE is successful, update adapter status in LanscsiBus
//
if(Ccb->OperationCode == CCB_OPCODE_UPDATE) {
if(Ccb->CcbStatus == CCB_STATUS_SUCCESS) {
SCSI_PORT_LOG_ERROR_MODULE_COMPLETION(NDASSCSI_IO_UPGRADE_SUCC, EVTLOG_SUCCEED_UPGRADE);
} else {
SCSI_PORT_LOG_ERROR_MODULE_COMPLETION(NDASSCSI_IO_UPGRADE_FAIL, EVTLOG_FAIL_UPGRADE);
}
NeedToUpdatePdoInfoInLSBus = TRUE;
}
//
// Copy IO control results to the SRB buffer.
//
// If device lock CCB is successful, copy the result to the SRB.
//
if(Ccb->OperationCode == CCB_OPCODE_DEVLOCK) {
if(Ccb->CcbStatus == CCB_STATUS_SUCCESS) {
PSRB_IO_CONTROL srbIoctlHeader;
PUCHAR lockIoctlBuffer;
PNDSCIOCTL_DEVICELOCK ioCtlAcReDeviceLock;
PLURN_DEVLOCK_CONTROL lurnAcReDeviceLock;
//
// Get the Ioctl buffer.
//
srbIoctlHeader = (PSRB_IO_CONTROL)srb->DataBuffer;
srbIoctlHeader->ReturnCode = SRB_STATUS_SUCCESS;
lockIoctlBuffer = (PUCHAR)(srbIoctlHeader + 1);
ioCtlAcReDeviceLock = (PNDSCIOCTL_DEVICELOCK)lockIoctlBuffer;
lurnAcReDeviceLock = (PLURN_DEVLOCK_CONTROL)Ccb->DataBuffer;
// Copy the result
RtlCopyMemory( ioCtlAcReDeviceLock->LockData,
lurnAcReDeviceLock->LockData,
NDSCLOCK_LOCKDATA_LENGTH);
}
} else if(Ccb->OperationCode == CCB_OPCODE_QUERY) {
if(Ccb->CcbStatus == CCB_STATUS_SUCCESS) {
PSRB_IO_CONTROL srbIoctlHeader;
NTSTATUS copyStatus;
srbIoctlHeader = (PSRB_IO_CONTROL)srb->DataBuffer;
copyStatus = NdscCopyQueryOutputToSrb(
HwDeviceExtension,
Ccb->DataBufferLength,
Ccb->DataBuffer,
srbIoctlHeader->Length,
(PUCHAR)(srbIoctlHeader + 1)
);
if(copyStatus == STATUS_BUFFER_TOO_SMALL) {
srbIoctlHeader->ReturnCode = SRB_STATUS_DATA_OVERRUN;
}else if(NT_SUCCESS(copyStatus)) {
srbIoctlHeader->ReturnCode = SRB_STATUS_SUCCESS;
} else {
srbIoctlHeader->ReturnCode = SRB_STATUS_ERROR;
}
}
}
KDPrint(4,("CcbStatus %d\n", Ccb->CcbStatus));
//
// Translate CcbStatus to SrbStatus
//
CcbStatusToSrbStatus(Ccb, srb);
//
// Perform stop process when we get stop status.
//
if(Ccb->CcbStatus == CCB_STATUS_STOP) {
//
// Stop in the timer routine.
//
KDPrint(2, ("Stop status. Stop in the timer routine.\n"));
} else {
//
// Update PDO information on the NDAS bus.
//
if(NeedToUpdatePdoInfoInLSBus)
{
KDPrint(2, ("<<<<<<<<<<<<<<<< %08lx -> %08lx ADAPTER STATUS CHANGED"
" >>>>>>>>>>>>>>>>\n", AdapterStatusBefore, AdapterStatus));
UpdatePdoInfoInLSBus(HwDeviceExtension, HwDeviceExtension->AdapterStatus);
}
}
//
// Process Abort CCB.
//
abortCcb = Ccb->AbortCcb;
if(abortCcb != NULL) {
KDPrint(2,("abortSrb\n"));
ASSERT(FALSE);
srb->SrbStatus = SRB_STATUS_SUCCESS;
LsCcbSetStatusFlag(Ccb, CCBSTATUS_FLAG_TIMER_COMPLETE);
InitializeListHead(&Ccb->ListEntry);
ExInterlockedInsertTailList(
&HwDeviceExtension->CcbTimerCompletionList,
&Ccb->ListEntry,
&HwDeviceExtension->CcbTimerCompletionListSpinLock
);
((PSCSI_REQUEST_BLOCK)abortCcb->Srb)->SrbStatus = SRB_STATUS_ABORTED;
LsCcbSetStatusFlag(abortCcb, CCBSTATUS_FLAG_TIMER_COMPLETE);
InitializeListHead(&abortCcb->ListEntry);
ExInterlockedInsertTailList(
&HwDeviceExtension->CcbTimerCompletionList,
&abortCcb->ListEntry,
&HwDeviceExtension->CcbTimerCompletionListSpinLock
);
} else {
BOOLEAN criticalSrb;
//
// We should not use completion IRP method with disable-disconnect flag.
// A SRB with DISABLE_DISCONNECT flag causes the SCSI port queue locked.
//
criticalSrb = (srb->SrbFlags & SRB_FLAGS_DISABLE_DISCONNECT) != 0 ||
(srb->SrbFlags & SRB_FLAGS_BYPASS_FROZEN_QUEUE) != 0 ||
(srb->SrbFlags & SRB_FLAGS_BYPASS_LOCKED_QUEUE) != 0;
#if DBG
if(criticalSrb) {
KDPrint(2, ("Critical Srb:%p\n", srb));
}
#if 0
NdscPrintSrb("Comp:", srb);
#endif
#endif
//
// Make Complete IRP and Send it.
//
//
// In case of HostStatus == CCB_STATUS_SUCCESS_TIMER, CCB will go to the timer to complete.
//
if( (Ccb->CcbStatus == CCB_STATUS_SUCCESS || Ccb->CcbStatus == CCB_STATUS_DATA_OVERRUN) &&
!LsCcbIsStatusFlagOn(Ccb, CCBSTATUS_FLAG_TIMER_COMPLETE) &&
!LsCcbIsStatusFlagOn(Ccb, CCBSTATUS_FLAG_BUSCHANGE) &&
!busResetOccured &&
!criticalSrb
)
{
PDEVICE_OBJECT pDeviceObject = HwDeviceExtension->ScsiportFdoObject;
PIRP pCompletionIrp = NULL;
PIO_STACK_LOCATION pIoStack;
NTSTATUS ntStatus;
PSCSI_REQUEST_BLOCK completionSrb = NULL;
PCOMPLETION_DATA completionData = NULL;
completionSrb = ExAllocatePoolWithTag(NonPagedPool, sizeof(SCSI_REQUEST_BLOCK), NDSC_PTAG_SRB);
if(completionSrb == NULL)
goto Out;
RtlZeroMemory(
completionSrb,
sizeof(SCSI_REQUEST_BLOCK)
);
// Build New IRP.
pCompletionIrp = IoAllocateIrp((CCHAR)(pDeviceObject->StackSize + 1), FALSE);
if(pCompletionIrp == NULL) {
ExFreePoolWithTag(completionSrb, NDSC_PTAG_SRB);
goto Out;
}
completionData = ExAllocatePoolWithTag(NonPagedPool, sizeof(COMPLETION_DATA), NDSC_PTAG_CMPDATA);
if(completionData == NULL) {
ExFreePoolWithTag(completionSrb, NDSC_PTAG_SRB);
IoFreeIrp(pCompletionIrp);
pCompletionIrp = NULL;
goto Out;
}
pCompletionIrp->MdlAddress = NULL;
// Set IRP stack location.
pIoStack = IoGetNextIrpStackLocation(pCompletionIrp);
pIoStack->DeviceObject = pDeviceObject;
pIoStack->MajorFunction = IRP_MJ_SCSI;
pIoStack->Parameters.DeviceIoControl.InputBufferLength = 0;
pIoStack->Parameters.DeviceIoControl.OutputBufferLength = 0;
pIoStack->Parameters.Scsi.Srb = completionSrb;
// Set SRB.
completionSrb->Length = sizeof(SCSI_REQUEST_BLOCK);
completionSrb->Function = SRB_FUNCTION_EXECUTE_SCSI;
completionSrb->PathId = srb->PathId;
completionSrb->TargetId = srb->TargetId;
completionSrb->Lun = srb->Lun;
completionSrb->QueueAction = SRB_SIMPLE_TAG_REQUEST;
completionSrb->DataBuffer = Ccb;
completionSrb->SrbFlags |= SRB_FLAGS_BYPASS_FROZEN_QUEUE | SRB_FLAGS_NO_QUEUE_FREEZE;
completionSrb->OriginalRequest = pCompletionIrp;
completionSrb->CdbLength = MAXIMUM_CDB_SIZE;
completionSrb->Cdb[0] = SCSIOP_COMPLETE;
completionSrb->Cdb[1] = (UCHAR)srbSeqIncremented;
completionSrb->TimeOutValue = 20;
completionSrb->SrbStatus = SRB_STATUS_SUCCESS;
//
// Set completion data for the completion IRP.
//
completionData->HwDeviceExtension = HwDeviceExtension;
completionData->CompletionSrb = completionSrb;
completionData->ShippedCcb = Ccb;
completionData->ShippedCcbAllocatedFromPool = LsCcbIsFlagOn(Ccb, CCB_FLAG_ALLOCATED);
Out:
KDPrint(5,("Before Completion\n"));
IoSetCompletionRoutine( pCompletionIrp,
CompletionIrpCompletionRoutine,
completionData,
TRUE, TRUE, TRUE);
ASSERT(HwDeviceExtension->RequestExecuting != 0);
#if 0
{
LARGE_INTEGER interval;
ULONG SrbTimeout;
static DebugCount = 0;
DebugCount ++;
SrbTimeout = ((PSCSI_REQUEST_BLOCK)(Ccb->Srb))->TimeOutValue;
if( SrbTimeout>9 &&
(DebugCount%1000) == 0
) {
KDPrint(2,("Experiment!!!!!!! Delay completion. SrbTimeout:%d\n", SrbTimeout));
interval.QuadPart = - (INT64)SrbTimeout * 11 * 1000000;
KeDelayExecutionThread(KernelMode, FALSE, &interval);
}
}
#endif
//
// call Scsiport FDO.
//
ntStatus = IoCallDriver(pDeviceObject, pCompletionIrp);
ASSERT(NT_SUCCESS(ntStatus));
if(ntStatus!= STATUS_SUCCESS && ntStatus!= STATUS_PENDING) {
KDPrint(2,("ntStatus = 0x%x\n", ntStatus));
SCSI_PORT_LOG_ERROR_MODULE_COMPLETION(NDASSCSI_IO_COMPIRP_FAIL, EVTLOG_FAIL_COMPLIRP);
KDPrint(2,("IoCallDriver() error. CCB(%p) and SRB(%p) is going to the timer."
" CcbStatus:%x CcbFlag:%x\n", Ccb, Ccb->Srb, Ccb->CcbStatus, Ccb->Flags));
InitializeListHead(&Ccb->ListEntry);
LsCcbSetStatusFlag(Ccb, CCBSTATUS_FLAG_TIMER_COMPLETE);
ExInterlockedInsertTailList(
&HwDeviceExtension->CcbTimerCompletionList,
&Ccb->ListEntry,
&HwDeviceExtension->CcbTimerCompletionListSpinLock
);
}
} else {
KDPrint(2,("CCB(%p) and SRB(%p) is going to the timer."
" CcbStatus:%x CcbFlag:%x\n", Ccb, Ccb->Srb, Ccb->CcbStatus, Ccb->Flags));
InitializeListHead(&Ccb->ListEntry);
LsCcbSetStatusFlag(Ccb, CCBSTATUS_FLAG_TIMER_COMPLETE);
ExInterlockedInsertTailList(
&HwDeviceExtension->CcbTimerCompletionList,
&Ccb->ListEntry,
&HwDeviceExtension->CcbTimerCompletionListSpinLock
);
}
}
return return_status;
}
NTSTATUS
LanscsiMiniportCompletion(
IN PCCB Ccb,
IN PMINIPORT_DEVICE_EXTENSION HwDeviceExtension
)
{
KIRQL oldIrql;
static LONG SrbSeq;
LONG srbSeqIncremented;
PSCSI_REQUEST_BLOCK srb;
PCCB abortCcb;
NTSTATUS return_status;
KDPrint(3,("RequestExecuting = %d\n", HwDeviceExtension->RequestExecuting));
srb = Ccb->Srb;
if(!srb) {
KDPrint(1,("Ccb:%p CcbStatus %d. No srb assigned.\n", Ccb, Ccb->CcbStatus));
ASSERT(srb);
return STATUS_SUCCESS;
}
//
// LanscsiMiniport completion routine will do post operation to complete CCBs.
//
return_status = STATUS_MORE_PROCESSING_REQUIRED;
srbSeqIncremented = InterlockedIncrement(&SrbSeq);
//
// check to see if this CCB was sent before BusReset occurs.
// TODO: we need to calculate the accurate BUSRESET_EFFECT_TICKCOUNT.
//
ASSERT(Ccb->CreateTime.QuadPart);
KDPrint(3,("!!!!! SRB:%p CCB:%p CCB->CreateTime: %I64u!!!!!!\n", srb, Ccb, Ccb->CreateTime.QuadPart));
ACQUIRE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, &oldIrql);
if( Ccb->CreateTime.QuadPart <= HwDeviceExtension->LastBusResetTime.QuadPart + BUSRESET_EFFECT_TICKCOUNT ||
ADAPTER_ISSTATUSFLAG(HwDeviceExtension, ADAPTER_STATUSFLAG_BUSRESET_PENDING) )
{
ADAPTER_RESETSTATUSFLAG(HwDeviceExtension, ADAPTER_STATUSFLAG_BUSRESET_PENDING);
RELEASE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, oldIrql);
KDPrint(1,("!!!!!! BusReset occured after this CCB has entered."
" Make it completed with Timer. CCB->CreateTime: %I64u!!!!!!\n", Ccb->CreateTime.QuadPart));
LSCcbSetStatusFlag(Ccb, CCBSTATUS_FLAG_TIMER_COMPLETE);
} else {
RELEASE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, oldIrql);
}
//
// Check reconnecting process.
// Translate CCB to SRB.
//
if(LSCcbIsStatusFlagOn(Ccb, CCBSTATUS_FLAG_RECONNECTING)) {
ACQUIRE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, &oldIrql);
if(!ADAPTER_ISSTATUSFLAG(HwDeviceExtension, ADAPTER_STATUSFLAG_RECONNECTPENDING)) {
UINT32 AdapterStatus;
AdapterStatus = ADAPTER_SETSTATUSFLAG(HwDeviceExtension, ADAPTER_STATUSFLAG_RECONNECTPENDING);
RELEASE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, oldIrql);
UpdatePdoInfoInLSBus(HwDeviceExtension, AdapterStatus);
KDPrint(1,("Ccb:%p CcbStatus %d. Start reconnecting\n", Ccb, Ccb->CcbStatus));
} else {
RELEASE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, oldIrql);
}
} else {
//
// If CCbStatus != CCB_STATUS_STOP, reconnecting is successful.
//
if(Ccb->CcbStatus != CCB_STATUS_STOP) {
ACQUIRE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, &oldIrql);
if(ADAPTER_ISSTATUSFLAG(HwDeviceExtension, ADAPTER_STATUSFLAG_RECONNECTPENDING)) {
UINT32 AdapterStatus;
AdapterStatus = ADAPTER_RESETSTATUSFLAG(HwDeviceExtension, ADAPTER_STATUSFLAG_RECONNECTPENDING);
RELEASE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, oldIrql);
UpdatePdoInfoInLSBus(HwDeviceExtension, AdapterStatus);
KDPrint(1,("Ccb:%p CcbStatus %d. Finish reconnecting\n", Ccb, Ccb->CcbStatus));
} else {
RELEASE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, oldIrql);
}
}
}
//
// If CCB_OPCODE_UPDATE is successful, update adapter status in LanscsiBus
//
if(Ccb->OperationCode == CCB_OPCODE_UPDATE && Ccb->CcbStatus == CCB_STATUS_SUCCESS) {
UINT32 AdapterStatus;
ACQUIRE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, &oldIrql);
AdapterStatus = HwDeviceExtension->AdapterStatus;
RELEASE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, oldIrql);
UpdatePdoInfoInLSBus(HwDeviceExtension, AdapterStatus);
}
KDPrint(3,("CcbStatus %d\n", Ccb->CcbStatus));
//
// Translate CcbStatus to SrbStatus
//
switch(Ccb->CcbStatus) {
case CCB_STATUS_SUCCESS:
srb->SrbStatus = SRB_STATUS_SUCCESS;
srb->ScsiStatus = SCSISTAT_GOOD;
//
// Check to see if the associate member is in error.
//
if(LSCcbIsStatusFlagOn(Ccb, CCBSTATUS_FLAG_LURN_STOP)) {
ACQUIRE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, &oldIrql);
if(!ADAPTER_ISSTATUSFLAG(HwDeviceExtension, ADAPTER_STATUSFLAG_MEMBER_FAULT)) {
UINT32 AdapterStatus;
AdapterStatus = ADAPTER_SETSTATUSFLAG(HwDeviceExtension, ADAPTER_STATUSFLAG_MEMBER_FAULT);
RELEASE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, oldIrql);
UpdatePdoInfoInLSBus(HwDeviceExtension, AdapterStatus);
KDPrint(1,("Ccb:%p CcbStatus %d. Associate member is in error.\n", Ccb, Ccb->CcbStatus));
//
// Send DisconEvent to the service.
// TODO: alternate to AlarmEvent.
//
KeSetEvent(HwDeviceExtension->DisconEventToService, IO_NO_INCREMENT, FALSE);
} else {
RELEASE_SPIN_LOCK(&HwDeviceExtension->LanscsiAdapterSpinLock, oldIrql);
}
}
break;
case CCB_STATUS_NOT_EXIST:
srb->SrbStatus = SRB_STATUS_NO_DEVICE;
srb->ScsiStatus = SCSISTAT_GOOD;
break;
case CCB_STATUS_INVALID_COMMAND:
srb->SrbStatus = SRB_STATUS_INVALID_REQUEST;
srb->ScsiStatus = SCSISTAT_GOOD;
break;
case CCB_STATUS_COMMAND_FAILED:
srb->SrbStatus = SRB_STATUS_ERROR | SRB_STATUS_AUTOSENSE_VALID;
srb->ScsiStatus = SCSISTAT_CHECK_CONDITION;
srb->DataTransferLength -= Ccb->ResidualDataLength;
break;
// Added by ILGU HONG 2004_07_05
case CCB_STATUS_COMMMAND_DONE_SENSE:
srb->SrbStatus = SRB_STATUS_ERROR | SRB_STATUS_AUTOSENSE_VALID ;
srb->DataTransferLength = 0;
srb->ScsiStatus = SCSISTAT_GOOD;
break;
// Added by ILGU HONG 2004_07_05 end
case CCB_STATUS_RESET:
srb->SrbStatus = SRB_STATUS_BUS_RESET;
srb->ScsiStatus = SCSISTAT_GOOD;
break;
case CCB_STATUS_COMMUNICATION_ERROR:
{
PSENSE_DATA senseData;
srb->SrbStatus = SRB_STATUS_ERROR | SRB_STATUS_AUTOSENSE_VALID;
srb->ScsiStatus = SCSISTAT_CHECK_CONDITION;
srb->DataTransferLength = 0;
senseData = srb->SenseInfoBuffer;
senseData->ErrorCode = 0x70;
senseData->Valid = 1;
//senseData->SegmentNumber = 0;
senseData->SenseKey = SCSI_SENSE_HARDWARE_ERROR; //SCSI_SENSE_MISCOMPARE;
//senseData->IncorrectLength = 0;
//senseData->EndOfMedia = 0;
//senseData->FileMark = 0;
senseData->AdditionalSenseLength = 0xb;
senseData->AdditionalSenseCode = SCSI_ADSENSE_NO_SENSE;
senseData->AdditionalSenseCodeQualifier = 0;
}
break;
case CCB_STATUS_BUSY:
srb->SrbStatus = SRB_STATUS_BUSY;
srb->ScsiStatus = SCSISTAT_GOOD;
KDPrint(1,("CCB_STATUS_BUSY\n"));
break;
//
// Stop one LUR
//
case CCB_STATUS_STOP: {
KDPrint(1,("CCB_STATUS_STOP. Stopping!\n"));
srb->SrbStatus = SRB_STATUS_NO_DEVICE;
srb->ScsiStatus = SCSISTAT_GOOD;
MiniStopAdapter(HwDeviceExtension, TRUE);
break;
}
default:
// Error in Connection...
// CCB_STATUS_UNKNOWN_STATUS, CCB_STATUS_RESET, and so on.
srb->SrbStatus = SRB_STATUS_ERROR;
srb->ScsiStatus = SCSISTAT_GOOD;
}
//
// Process Abort CCB.
//
abortCcb = Ccb->AbortCcb;
if(abortCcb != NULL) {
KDPrint(1,("abortSrb\n"));
ASSERT(FALSE);
srb->SrbStatus = SRB_STATUS_SUCCESS;
LSCcbSetStatusFlag(Ccb, CCBSTATUS_FLAG_TIMER_COMPLETE);
InitializeListHead(&Ccb->ListEntry);
ExInterlockedInsertTailList(
&HwDeviceExtension->CcbCompletionList,
&Ccb->ListEntry,
&HwDeviceExtension->CcbCompletionListSpinLock
);
((PSCSI_REQUEST_BLOCK)abortCcb->Srb)->SrbStatus = SRB_STATUS_ABORTED;
LSCcbSetStatusFlag(abortCcb, CCBSTATUS_FLAG_TIMER_COMPLETE);
InitializeListHead(&abortCcb->ListEntry);
ExInterlockedInsertTailList(
&HwDeviceExtension->CcbCompletionList,
&abortCcb->ListEntry,
&HwDeviceExtension->CcbCompletionListSpinLock
);
} else {
//
// Make Complete IRP and Send it.
//
//
// In case of HostStatus == CCB_STATUS_SUCCESS_TIMER, CCB will go to the timer to complete.
//
if( (Ccb->CcbStatus == CCB_STATUS_SUCCESS || Ccb->CcbStatus == CCB_STATUS_INVALID_COMMAND) &&
!LSCcbIsStatusFlagOn(Ccb, CCBSTATUS_FLAG_TIMER_COMPLETE) &&
!LSCcbIsStatusFlagOn(Ccb, CCBSTATUS_FLAG_BUSRESET_REQUIRED)
)
{
PDEVICE_OBJECT pDeviceObject = HwDeviceExtension->ScsiportFdoObject;
PIRP pCompletionIrp = NULL;
PIO_STACK_LOCATION pIoStack;
NTSTATUS ntStatus;
PSCSI_REQUEST_BLOCK completionSrb = NULL;
PCOMPLETION_DATA completionData = NULL;
completionSrb = ExAllocatePoolWithTag(NonPagedPool, sizeof(SCSI_REQUEST_BLOCK), LSMP_PTAG_SRB);
if(completionSrb == NULL)
goto Out;
RtlZeroMemory(
completionSrb,
sizeof(SCSI_REQUEST_BLOCK)
);
// Build New IRP.
pCompletionIrp = IoAllocateIrp((CCHAR)(pDeviceObject->StackSize + 1), FALSE);
if(pCompletionIrp == NULL) {
ExFreePoolWithTag(completionSrb, LSMP_PTAG_SRB);
goto Out;
}
completionData = ExAllocatePoolWithTag(NonPagedPool, sizeof(COMPLETION_DATA), LSMP_PTAG_CMPDATA);
if(completionData == NULL) {
ExFreePoolWithTag(completionSrb, LSMP_PTAG_SRB);
IoFreeIrp(pCompletionIrp);
pCompletionIrp = NULL;
goto Out;
}
pCompletionIrp->MdlAddress = NULL;
// Set IRP stack location.
pIoStack = IoGetNextIrpStackLocation(pCompletionIrp);
pIoStack->DeviceObject = pDeviceObject;
pIoStack->MajorFunction = IRP_MJ_SCSI;
pIoStack->Parameters.DeviceIoControl.InputBufferLength = 0;
pIoStack->Parameters.DeviceIoControl.OutputBufferLength = 0;
pIoStack->Parameters.Scsi.Srb = completionSrb;
// Set SRB.
completionSrb->Length = sizeof(SCSI_REQUEST_BLOCK);
completionSrb->Function = SRB_FUNCTION_EXECUTE_SCSI;
completionSrb->PathId = srb->PathId;
completionSrb->TargetId = srb->TargetId;
completionSrb->Lun = srb->Lun;
completionSrb->QueueAction = SRB_SIMPLE_TAG_REQUEST;
completionSrb->DataBuffer = srb;
completionSrb->SrbFlags |= SRB_FLAGS_BYPASS_FROZEN_QUEUE | SRB_FLAGS_NO_QUEUE_FREEZE;
completionSrb->OriginalRequest = pCompletionIrp;
completionSrb->CdbLength = MAXIMUM_CDB_SIZE;
completionSrb->Cdb[0] = SCSIOP_COMPLETE;
completionSrb->Cdb[1] = (UCHAR)srbSeqIncremented;
completionSrb->TimeOutValue = 20;
completionSrb->SrbStatus = SRB_STATUS_SUCCESS;
//
// Set compeltion data for the completion IRP.
//
completionData->HwDeviceExtension = HwDeviceExtension;
completionData->CompletionSrb = completionSrb;
completionData->ShippedCcb = Ccb;
completionData->ShippedCcbAllocatedFromPool = LSCcbIsFlagOn(Ccb, CCB_FLAG_ALLOCATED);
Out:
KDPrint(4,("Before Completion\n"));
if(pCompletionIrp) {
IoSetCompletionRoutine(pCompletionIrp, CompletionIrpCompletionRoutine, completionData, TRUE, TRUE, TRUE);
ASSERT(HwDeviceExtension->RequestExecuting != 0);
//
// call Scsiport FDO.
//
ntStatus = IoCallDriver(pDeviceObject, pCompletionIrp);
ASSERT(NT_SUCCESS(ntStatus));
#if DBG
if(ntStatus!= STATUS_SUCCESS && ntStatus!= STATUS_PENDING) {
KDPrint(1,("ntStatus = 0x%x\n", ntStatus));
}
#endif
}else {
KDPrint(1,("CompletionIRP NULL. CCB(%p) and SRB(%p) is going to the timer. CcbStatus:%x CcbFlag:%x\n", Ccb, Ccb->Srb, Ccb->CcbStatus, Ccb->Flags));
InitializeListHead(&Ccb->ListEntry);
LSCcbSetStatusFlag(Ccb, CCBSTATUS_FLAG_TIMER_COMPLETE);
ExInterlockedInsertTailList(
&HwDeviceExtension->CcbCompletionList,
&Ccb->ListEntry,
&HwDeviceExtension->CcbCompletionListSpinLock
);
}
} else {
KDPrint(1,("CCB(%p) and SRB(%p) is going to the timer. CcbStatus:%x CcbFlag:%x\n", Ccb, Ccb->Srb, Ccb->CcbStatus, Ccb->Flags));
InitializeListHead(&Ccb->ListEntry);
LSCcbSetStatusFlag(Ccb, CCBSTATUS_FLAG_TIMER_COMPLETE);
ExInterlockedInsertTailList(
&HwDeviceExtension->CcbCompletionList,
&Ccb->ListEntry,
&HwDeviceExtension->CcbCompletionListSpinLock
);
}
}
return return_status;
}