141 lines
2 KiB
C
141 lines
2 KiB
C
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/*++
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Copyright (c) 1990 Microsoft Corporation
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Module Name:
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workque.h
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Abstract:
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This module defines the data structures and routines used for the FSP
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dispatching code.
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Author:
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Larry Osterman (LarryO) 13-Aug-1990
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Revision History:
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13-Aug-1990 LarryO
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Created
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--*/
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#ifndef _WORKQUE_
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#define _WORKQUE_
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typedef struct _IRP_QUEUE {
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LIST_ENTRY Queue; // Queue itself.
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} IRP_QUEUE, *PIRP_QUEUE;
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struct _BOWSER_FS_DEVICE_OBJECT;
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//
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// IRP Context.
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//
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// The IRP context is a wrapper that used when passing an IRP from the
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// redirectors FSD to its FSP.
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//
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typedef
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struct _IRP_CONTEXT {
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WORK_QUEUE_ITEM WorkHeader;
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PIRP Irp;
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struct _BOWSER_FS_DEVICE_OBJECT *DeviceObject;
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} IRP_CONTEXT, *PIRP_CONTEXT;
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VOID
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BowserQueueCriticalWorkItem (
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IN PWORK_QUEUE_ITEM WorkItem
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);
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VOID
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BowserQueueDelayedWorkItem (
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IN PWORK_QUEUE_ITEM WorkItem
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);
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PIRP_CONTEXT
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BowserAllocateIrpContext(
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VOID
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);
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VOID
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BowserFreeIrpContext(
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PIRP_CONTEXT IrpContext
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);
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VOID
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BowserInitializeIrpQueue(
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PIRP_QUEUE Queue
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);
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VOID
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BowserUninitializeIrpQueue(
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PIRP_QUEUE Queue
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);
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VOID
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BowserCancelQueuedRequest(
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IN PDEVICE_OBJECT DeviceObject OPTIONAL,
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IN PIRP Irp
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);
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VOID
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BowserCancelQueuedIoForFile(
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IN PIRP_QUEUE Queue,
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IN PFILE_OBJECT FileObject
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);
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NTSTATUS
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BowserQueueNonBufferRequest(
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IN PIRP Irp,
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IN PIRP_QUEUE Queue,
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IN PDRIVER_CANCEL CancelRoutine
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);
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NTSTATUS
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BowserQueueNonBufferRequestReferenced(
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IN PIRP Irp,
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IN PIRP_QUEUE Queue,
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IN PDRIVER_CANCEL CancelRoutine
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);
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VOID
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BowserTimeoutQueuedIrp(
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IN PIRP_QUEUE Queue,
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IN ULONG NumberOfSecondsToTimeOut
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);
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PIRP
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BowserDequeueQueuedIrp(
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IN PIRP_QUEUE Queue
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);
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VOID
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BowserInitializeIrpContext(
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VOID
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);
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VOID
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BowserpUninitializeIrpContext(
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VOID
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);
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VOID
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BowserpInitializeIrpQueue(
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VOID
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);
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//
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// Returns TRUE if there are no entries in the IRP queue.
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//
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#define BowserIsIrpQueueEmpty(IrpQueue) IsListEmpty(&(IrpQueue)->Queue)
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#endif // _WORKQUE_
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