utils.h

一个硬盘驱动的例子

///////////////////////////////////////////////////////////////////////////////
//
//  (C) Copyright 1995 - 1998 OSR Open Systems Resources, Inc.
//	All Rights Reserved
//      Based on a previous work by Microsoft Corporation
//      Copyright (c) 1991, 1992, 1993  Microsoft Corporation
//
//    This sofware is supplied for instructional purposes only.
//
//      OSR Open Systems Resources, Inc. (OSR) expressly disclaims any warranty
//      for this software.  THIS SOFTWARE IS PROVIDED  "AS IS" WITHOUT WARRANTY
//      OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, WITHOUT LIMITATION,
//      THE IMPLIED WARRANTIES OF MECHANTABILITY OR FITNESS FOR A PARTICULAR
//      PURPOSE.  THE ENTIRE RISK ARISING FROM THE USE OF THIS SOFTWARE REMAINS
//      WITH YOU.  OSR's entire liability and your exclusive remedy shall not
//      exceed the price paid for this material.  In no event shall OSR or its
//      suppliers be liable for any damages whatsoever (including, without
//      limitation, damages for loss of business profit, business interruption,
//      loss of business information, or any other pecuniary loss) arising out
//      of the use or inability to use this software, even if OSR has been
//      advised of the possibility of such damages.  Because some states/
//      jurisdictions do not allow the exclusion or limitation of liability for
//      consequential or incidental damages, the above limitation may not apply
//      to you.
//
//    This driver is the example Programmed I/O device driver that
//    accompanies the book Windows NT Device Driver Development, by
//    Peter Viscarola and W. Anthony Mason, (c) 1998 OSR Open Systems
//    Resources, Inc. and published by MacMillan Technical Publishing
//    ISBN 1578700582.  
//
//	MODULE:
//
//		$Workfile: utils.h $
//
//	ABSTRACT:
//
//    This module contains the declarations for utils.c
//
//	AUTHOR:
//
//		Open Systems Resources, Inc.
// 
//	REVISION:   
//
//
///////////////////////////////////////////////////////////////////////////////
#ifndef UTILS_H
#define UTILS_H

NTSTATUS
IdeWaitControllerBusy(
    IN PUCHAR StatusRegisterAddress,
    IN ULONG MsDelay,
    IN ULONG NumDelay
   );

NTSTATUS
IdeWaitControllerReady(
    IN PCONTROLLER_DATA ControllerData,
    IN ULONG MsDelay,
    IN ULONG NumDelay
   );

#endif  /* UTILS_H */