#include <csq.h>

Include dependency graph for csqrtns.h:

This graph shows which files directly or indirectly include this file:

Functions
VOID NTAPI	CsqInsertIrp (PIO_CSQ Csq, PIRP Irp)

VOID NTAPI	CsqRemoveIrp (PIO_CSQ Csq, PIRP Irp)

PIRP NTAPI	CsqPeekNextIrp (PIO_CSQ Csq, PIRP Irp, PVOID PeekContext)

VOID NTAPI	CsqAcquireLock (PIO_CSQ Csq, PKIRQL Irql)

VOID NTAPI	CsqReleaseLock (PIO_CSQ Csq, KIRQL Irql)

VOID NTAPI	CsqCompleteCanceledIrp (PIO_CSQ Csq, PIRP Irp)

Variables
IO_CSQ	Csq

LIST_ENTRY	IrpQueue

KSPIN_LOCK	IrpQueueLock

KSEMAPHORE	QueueSemaphore

Function Documentation

◆ CsqAcquireLock()

VOID NTAPI CsqAcquireLock	(	PIO_CSQ	Csq,
		PKIRQL	Irql
	)

Definition at line 105 of file csqrtns.c.

 {
     UNREFERENCED_PARAMETER(UnusedCsq);
     INFO_(FLOPPY, "CSQ: Acquiring spin lock\n");
     KeAcquireSpinLock(&IrpQueueLock, Irql);
 }

Referenced by DriverEntry().

◆ CsqCompleteCanceledIrp()

VOID NTAPI CsqCompleteCanceledIrp	(	PIO_CSQ	Csq,
		PIRP	Irp
	)

Definition at line 135 of file csqrtns.c.

 {
     UNREFERENCED_PARAMETER(UnusedCsq);
     TRACE_(FLOPPY, "CSQ: Canceling irp 0x%p\n", Irp);
     Irp->IoStatus.Status = STATUS_CANCELLED;
     Irp->IoStatus.Information = 0;
     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 }

◆ CsqInsertIrp()

VOID NTAPI CsqInsertIrp	(	PIO_CSQ	Csq,
		PIRP	Irp
	)

Definition at line 155 of file csqrtns.c.

 {
     UNREFERENCED_PARAMETER(UnusedCsq);
     TRACE_(FLOPPY, "CSQ: Inserting IRP 0x%p\n", Irp);
     InsertTailList(&IrpQueue, &Irp->Tail.Overlay.ListEntry);
     KeReleaseSemaphore(&QueueSemaphore, 0, 1, FALSE);
 }

Referenced by CsqInsertIrpEx(), and DriverEntry().

◆ CsqPeekNextIrp()

PIRP NTAPI CsqPeekNextIrp	(	PIO_CSQ	Csq,
		PIRP	Irp,
		PVOID	PeekContext
	)

Definition at line 76 of file csqrtns.c.

 {
     UNREFERENCED_PARAMETER(UnusedCsq);
     UNREFERENCED_PARAMETER(PeekContext);
     TRACE_(FLOPPY, "CSQ: Peeking for next IRP\n");
 
     if(Irp)
         return CONTAINING_RECORD(&Irp->Tail.Overlay.ListEntry.Flink, IRP, Tail.Overlay.ListEntry);
 
     if(IsListEmpty(&IrpQueue))
         return NULL;
 
     return CONTAINING_RECORD(IrpQueue.Flink, IRP, Tail.Overlay.ListEntry);
 }

Referenced by DriverEntry().

◆ CsqReleaseLock()

VOID NTAPI CsqReleaseLock	(	PIO_CSQ	Csq,
		KIRQL	Irql
	)

Definition at line 120 of file csqrtns.c.

 {
     UNREFERENCED_PARAMETER(UnusedCsq);
     INFO_(FLOPPY, "CSQ: Releasing spin lock\n");
     KeReleaseSpinLock(&IrpQueueLock, Irql);
 }

Referenced by DriverEntry().

◆ CsqRemoveIrp()

VOID NTAPI CsqRemoveIrp	(	PIO_CSQ	Csq,
		PIRP	Irp
	)

Definition at line 59 of file csqrtns.c.

 {
     UNREFERENCED_PARAMETER(UnusedCsq);
     TRACE_(FLOPPY, "CSQ: Removing IRP 0x%p\n", Irp);
     RemoveEntryList(&Irp->Tail.Overlay.ListEntry);
 }