tmfat32ide.h

PNX1500上Fat32文件系统源代码

/* -------------------------------------------------------------------------- */
/* (C) Copyright 2000,2002, 2003 Koninklijke Philips Electronics N.V.,        */
/*     All rights reserved                                                    */
/*                                                                            */
/* This source code and any compilation or derivative thereof is the          */
/* proprietary information of Konlinklijke Philips Electronics N.V. and is    */
/* Confidential in nature.                                                    */
/* Under no circumstances is this software to be exposed to or placed under an*/
/* Open Source License of any type without the expressed written permission of*/
/* Koninklijke Philips Electronics N.V.                                       */
/* -------------------------------------------------------------------------- */
/* FILE NAME:    tmFat32Ide.h                                                 */
/*                                                                            */
/* DESCRIPTION:  This is the API for tmFat32 IDE device driver                */
/*                                                                            */
/* DOCUMENT REF: tbd                                                          */
/* 																			  */
/* NOTES:        tbd                                                          */
/*                                                                            */
/* -------------------------------------------------------------------------- */

#ifndef _TMFAT32_IDE_H_
#define _TMFAT32_IDE_H_

/* -------------------------------------------------------------------------- */
/* Define extern c for C++ prototypes                                         */
/* -------------------------------------------------------------------------- */

#if defined(__cplusplus)
extern "C"{
#endif

/* -------------------------------------------------------------------------- */
/*    Types and defines:                                                      */
/* -------------------------------------------------------------------------- */

/*
 * Useful information about each physical tmFat32 IDE device
 */
typedef struct tmFat32_Ide
{
    tmFat32_Dev_t           common;     // Info common to all tmFat32 devices
    Bool                    installed;  // True if installed
    tmFat32_DeviceDriver_t  driver;     // Device driver info for tmFat32
    UInt32                  init_count; // One for each opened volume (partition)
    Bool                    syncIO;     // If True do synchronous I/O
//    Bool                supportsLBA;        // Supports logical block addressing?
//    UInt32              heads;              // Number of heads
//    UInt32              cylinders;          // Number of cylinders
//    UInt32              sectorsPerTrack;    // Number of sectors per track
    tmInstance_t            ideInstance;
    tmosalSemHandle_t       semHandle;
    tmutilSGList_t          SGListInput;
    tmutilSGList_t          SGListOutput;
    pVoid                   pMemorySGListUnit;
    pVoid                   pMemorySGListInput;
    pVoid                   pMemorySGListOutput;
    UInt32                  inputSGListSize;
    UInt32                  outputSListGSize;
    UInt32                  nrUnitsOutputSGList;
} tmFat32_Ide_t, *ptmFat32_Ide_t;

/* -------------------------------------------------------------------------- */
/*    Exported functions:                                                     */
/* -------------------------------------------------------------------------- */

//-----------------------------------------------------------------------------
// FUNCTION:    tmFat32_Ide_Install
//
// DESCRIPTION: Install tmFat32 IDE device driver
//
// RETURN:      Pointer ptmFat32_DeviceDriver_t. Return Null on failure.
//
// NOTES:
//-----------------------------------------------------------------------------
//
ptmFat32_DeviceDriver_t
tmFat32_Ide_Install (
    UInt32     unit   // I: Unit number
    );

//-----------------------------------------------------------------------------
// FUNCTION:    tmFat32_Ide_Uninstall
//
// DESCRIPTION: Uninstall tmFat32 IDE device driver
//
// RETURN:      void
//
// NOTES:
//-----------------------------------------------------------------------------
//
void
tmFat32_Ide_Uninstall (
    ptmFat32_DeviceDriver_t     p   // IO: Pointer to tmFat32_DeviceDriver_t structure
    );

//-----------------------------------------------------------------------------
// FUNCTION:    tmFat32_Ide_GetInfo
//
// DESCRIPTION: Get information about IDE tmFat32 device driver
//
// RETURN:      void
//
// NOTES:       Return numUnits (number of units supported). No other
//              fields are set.
//-----------------------------------------------------------------------------
//
void
tmFat32_Ide_GetInfo (
    ptmFat32_Dev_t     p   // IO: Pointer to tmFat32_Dev_t structure
    );

/* -------------------------------------------------------------------------- */
/* End of extern c for C++ prototypes                                         */
/* -------------------------------------------------------------------------- */

#if defined(__cplusplus)
}
#endif

#endif	/* !defined(_TMFAT32_IDE_H_) */