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sys: ioq: FspIoqRetryCompleteIrp(), FspIoqNextCompleteIrp()

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This commit is contained in:
Bill Zissimopoulos 2016-01-26 17:13:34 -08:00
parent 0de4ba4f1b
commit ffbe13e6d9
2 changed files with 28 additions and 28 deletions
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6
src/sys/driver.h
View File

@ -366,8 +366,8 @@ typedef struct
KSPIN_LOCK SpinLock;
BOOLEAN Stopped;
KEVENT PendingIrpEvent;
LIST_ENTRY PendingIrpList, ProcessIrpList, RetryIrpList;
IO_CSQ PendingIoCsq, ProcessIoCsq, RetryIoCsq;
LIST_ENTRY PendingIrpList, ProcessIrpList, RetriedIrpList;
IO_CSQ PendingIoCsq, ProcessIoCsq, RetriedIoCsq;
ULONG IrpTimeout;
ULONG PendingIrpCapacity, PendingIrpCount;
VOID (*CompleteCanceledIrp)(PIRP Irp);
@ -386,7 +386,7 @@ PIRP FspIoqNextPendingIrp(FSP_IOQ *Ioq, PIRP BoundaryIrp, PLARGE_INTEGER Timeout
BOOLEAN FspIoqStartProcessingIrp(FSP_IOQ *Ioq, PIRP Irp);
PIRP FspIoqEndProcessingIrp(FSP_IOQ *Ioq, UINT_PTR IrpHint);
BOOLEAN FspIoqRetryCompleteIrp(FSP_IOQ *Ioq, PIRP Irp);
PIRP FspIoqNextCompletedIrp(FSP_IOQ *Ioq, PIRP BoundaryIrp);
PIRP FspIoqNextCompleteIrp(FSP_IOQ *Ioq, PIRP BoundaryIrp);
/* I/O processing */
#define FSP_FSCTL_WORK \

50
src/sys/ioq.c
View File

@ -288,26 +288,26 @@ static VOID FspIoqProcessCompleteCanceledIrp(PIO_CSQ IoCsq, PIRP Irp)
Ioq->CompleteCanceledIrp(Irp);
}
static NTSTATUS FspIoqRetryInsertIrpEx(PIO_CSQ IoCsq, PIRP Irp, PVOID InsertContext)
static NTSTATUS FspIoqRetriedInsertIrpEx(PIO_CSQ IoCsq, PIRP Irp, PVOID InsertContext)
{
FSP_IOQ *Ioq = CONTAINING_RECORD(IoCsq, FSP_IOQ, RetryIoCsq);
FSP_IOQ *Ioq = CONTAINING_RECORD(IoCsq, FSP_IOQ, RetriedIoCsq);
if (Ioq->Stopped)
return STATUS_CANCELLED;
InsertTailList(&Ioq->RetryIrpList, &Irp->Tail.Overlay.ListEntry);
InsertTailList(&Ioq->RetriedIrpList, &Irp->Tail.Overlay.ListEntry);
return STATUS_SUCCESS;
}
static VOID FspIoqRetryRemoveIrp(PIO_CSQ IoCsq, PIRP Irp)
static VOID FspIoqRetriedRemoveIrp(PIO_CSQ IoCsq, PIRP Irp)
{
RemoveEntryList(&Irp->Tail.Overlay.ListEntry);
}
static PIRP FspIoqRetryPeekNextIrp(PIO_CSQ IoCsq, PIRP Irp, PVOID PeekContext)
static PIRP FspIoqRetriedPeekNextIrp(PIO_CSQ IoCsq, PIRP Irp, PVOID PeekContext)
{
FSP_IOQ *Ioq = CONTAINING_RECORD(IoCsq, FSP_IOQ, RetryIoCsq);
FSP_IOQ *Ioq = CONTAINING_RECORD(IoCsq, FSP_IOQ, RetriedIoCsq);
if (PeekContext && Ioq->Stopped)
return 0;
PLIST_ENTRY Head = &Ioq->RetryIrpList;
PLIST_ENTRY Head = &Ioq->RetriedIrpList;
PLIST_ENTRY Entry = 0 == Irp ? Head->Flink : Irp->Tail.Overlay.ListEntry.Flink;
if (Head == Entry)
return 0;
@ -337,22 +337,22 @@ static PIRP FspIoqRetryPeekNextIrp(PIO_CSQ IoCsq, PIRP Irp, PVOID PeekContext)
}
_IRQL_raises_(DISPATCH_LEVEL)
static VOID FspIoqRetryAcquireLock(PIO_CSQ IoCsq, _At_(*PIrql, _IRQL_saves_) PKIRQL PIrql)
static VOID FspIoqRetriedAcquireLock(PIO_CSQ IoCsq, _At_(*PIrql, _IRQL_saves_) PKIRQL PIrql)
{
FSP_IOQ *Ioq = CONTAINING_RECORD(IoCsq, FSP_IOQ, RetryIoCsq);
FSP_IOQ *Ioq = CONTAINING_RECORD(IoCsq, FSP_IOQ, RetriedIoCsq);
KeAcquireSpinLock(&Ioq->SpinLock, PIrql);
}
_IRQL_requires_(DISPATCH_LEVEL)
static VOID FspIoqRetryReleaseLock(PIO_CSQ IoCsq, _IRQL_restores_ KIRQL Irql)
static VOID FspIoqRetriedReleaseLock(PIO_CSQ IoCsq, _IRQL_restores_ KIRQL Irql)
{
FSP_IOQ *Ioq = CONTAINING_RECORD(IoCsq, FSP_IOQ, RetryIoCsq);
FSP_IOQ *Ioq = CONTAINING_RECORD(IoCsq, FSP_IOQ, RetriedIoCsq);
KeReleaseSpinLock(&Ioq->SpinLock, Irql);
}
static VOID FspIoqRetryCompleteCanceledIrp(PIO_CSQ IoCsq, PIRP Irp)
static VOID FspIoqRetriedCompleteCanceledIrp(PIO_CSQ IoCsq, PIRP Irp)
{
FSP_IOQ *Ioq = CONTAINING_RECORD(IoCsq, FSP_IOQ, RetryIoCsq);
FSP_IOQ *Ioq = CONTAINING_RECORD(IoCsq, FSP_IOQ, RetriedIoCsq);
Ioq->CompleteCanceledIrp(Irp);
}
@ -375,7 +375,7 @@ NTSTATUS FspIoqCreate(
KeInitializeEvent(&Ioq->PendingIrpEvent, NotificationEvent, FALSE);
InitializeListHead(&Ioq->PendingIrpList);
InitializeListHead(&Ioq->ProcessIrpList);
InitializeListHead(&Ioq->RetryIrpList);
InitializeListHead(&Ioq->RetriedIrpList);
IoCsqInitializeEx(&Ioq->PendingIoCsq,
FspIoqPendingInsertIrpEx,
FspIoqPendingRemoveIrp,
@ -390,13 +390,13 @@ NTSTATUS FspIoqCreate(
FspIoqProcessAcquireLock,
FspIoqProcessReleaseLock,
FspIoqProcessCompleteCanceledIrp);
IoCsqInitializeEx(&Ioq->RetryIoCsq,
FspIoqRetryInsertIrpEx,
FspIoqRetryRemoveIrp,
FspIoqRetryPeekNextIrp,
FspIoqRetryAcquireLock,
FspIoqRetryReleaseLock,
FspIoqRetryCompleteCanceledIrp);
IoCsqInitializeEx(&Ioq->RetriedIoCsq,
FspIoqRetriedInsertIrpEx,
FspIoqRetriedRemoveIrp,
FspIoqRetriedPeekNextIrp,
FspIoqRetriedAcquireLock,
FspIoqRetriedReleaseLock,
FspIoqRetriedCompleteCanceledIrp);
Ioq->IrpTimeout = ConvertInterruptTimeToSec(IrpTimeout->QuadPart + InterruptTimeToSecFactor - 1);
/* convert to seconds (and round up) */
Ioq->PendingIrpCapacity = IrpCapacity;
@ -427,7 +427,7 @@ VOID FspIoqStop(FSP_IOQ *Ioq)
Ioq->CompleteCanceledIrp(Irp);
while (0 != (Irp = FspCsqRemoveNextIrp(&Ioq->ProcessIoCsq, 0)))
Ioq->CompleteCanceledIrp(Irp);
while (0 != (Irp = FspCsqRemoveNextIrp(&Ioq->RetryIoCsq, 0)))
while (0 != (Irp = FspCsqRemoveNextIrp(&Ioq->RetriedIoCsq, 0)))
Ioq->CompleteCanceledIrp(Irp);
}
@ -527,14 +527,14 @@ BOOLEAN FspIoqRetryCompleteIrp(FSP_IOQ *Ioq, PIRP Irp)
if (FspIrpTimestampInfinity != FspIrpTimestamp(Irp))
FspIrpTimestamp(Irp) = QueryInterruptTimeInSec() + Ioq->IrpTimeout;
#endif
Result = FspCsqInsertIrpEx(&Ioq->RetryIoCsq, Irp, 0, 0);
Result = FspCsqInsertIrpEx(&Ioq->RetriedIoCsq, Irp, 0, 0);
return NT_SUCCESS(Result);
}
PIRP FspIoqNextCompletedIrp(FSP_IOQ *Ioq, PIRP BoundaryIrp)
PIRP FspIoqNextCompleteIrp(FSP_IOQ *Ioq, PIRP BoundaryIrp)
{
FSP_IOQ_PEEK_CONTEXT PeekContext;
PeekContext.IrpHint = 0 != BoundaryIrp ? BoundaryIrp : (PVOID)1;
PeekContext.ExpirationTime = 0;
return IoCsqRemoveNextIrp(&Ioq->RetryIoCsq, &PeekContext);
return IoCsqRemoveNextIrp(&Ioq->RetriedIoCsq, &PeekContext);
}