145 lines
2.9 KiB
C
145 lines
2.9 KiB
C
/*++
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Copyright (c) 1996-2001 Microsoft Corporation
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Module Name:
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OCRW.C
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Abstract:
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This source file contains the dispatch routines which handle
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opening, closing, reading, and writing to the device, i.e.:
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IRP_MJ_CREATE
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IRP_MJ_CLOSE
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IRP_MJ_READ
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IRP_MJ_WRITE
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Environment:
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kernel mode
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Revision History:
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06-01-98 : started rewrite
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--*/
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//*****************************************************************************
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// I N C L U D E S
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//*****************************************************************************
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#include <ntddk.h>
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#include <usbdi.h>
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#include <usbdlib.h>
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#include "usbmass.h"
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#ifdef ALLOC_PRAGMA
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#pragma alloc_text(PAGE, USBSTOR_Create)
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#pragma alloc_text(PAGE, USBSTOR_Close)
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#pragma alloc_text(PAGE, USBSTOR_ReadWrite)
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#endif
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//******************************************************************************
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//
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// USBSTOR_Create()
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//
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// Dispatch routine which handles IRP_MJ_CREATE
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//
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//******************************************************************************
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NTSTATUS
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USBSTOR_Create (
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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)
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{
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DBGPRINT(2, ("enter: USBSTOR_Create\n"));
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LOGENTRY('CREA', DeviceObject, Irp, 0);
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DBGFBRK(DBGF_BRK_CREATE);
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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DBGPRINT(2, ("exit: USBSTOR_Create\n"));
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LOGENTRY('crea', 0, 0, 0);
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return STATUS_SUCCESS;
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}
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//******************************************************************************
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//
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// USBSTOR_Close()
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//
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// Dispatch routine which handles IRP_MJ_CLOSE
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//
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//******************************************************************************
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NTSTATUS
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USBSTOR_Close (
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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)
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{
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DBGPRINT(2, ("enter: USBSTOR_Close\n"));
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LOGENTRY('CLOS', DeviceObject, Irp, 0);
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DBGFBRK(DBGF_BRK_CLOSE);
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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DBGPRINT(2, ("exit: USBSTOR_Close\n"));
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LOGENTRY('clos', 0, 0, 0);
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return STATUS_SUCCESS;
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}
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//******************************************************************************
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//
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// USBSTOR_ReadWrite()
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//
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// Dispatch routine which handles IRP_MJ_READ and IRP_MJ_WRITE
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//
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//******************************************************************************
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NTSTATUS
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USBSTOR_ReadWrite (
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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)
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{
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NTSTATUS ntStatus;
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DBGPRINT(2, ("enter: USBSTOR_ReadWrite\n"));
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LOGENTRY('RW ', DeviceObject, Irp, 0);
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DBGFBRK(DBGF_BRK_READWRITE);
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ntStatus = STATUS_INVALID_PARAMETER;
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Irp->IoStatus.Status = ntStatus;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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DBGPRINT(2, ("exit: USBSTOR_ReadWrite %08X\n", ntStatus));
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LOGENTRY('rw ', ntStatus, 0, 0);
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return ntStatus;
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}
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