zfscfg.h

zilog的实时操作系统RZK,可以移植到多种处理器上

/*
 * File       : zfscfg.h
 * Description: This file contains the configuration information for ZiLOG File System
 * Author     : 
 * Created on : 30-APR-2004
 *
 * Copyright 2004 ZiLOG Inc.  ALL RIGHTS RESERVED.
 *
 * This file contains unpublished confidential and proprietary information
 * of ZiLOG, Inc.
 * NO PART OF THIS WORK MAY BE DUPLICATED, STORED, PUBLISHED OR DISCLOSED 
 * IN ANY FORM WITHOUT THE PRIOR WRITTEN CONSENT OF ZiLOG, INC.
 * This is not a license and no use of any kind of this work is authorized
 * in the absence of a written license granted by ZiLOG, Inc. in ZiLOG's 
 * sole discretion 
 */

#ifndef _ZFSCFG_H_
#define _ZFSCFG_H_

#include "zfstypes.h"
#include "zsysgen.h"


// maximum volume name len
#define ZFS_MAX_VOL_NAME_LEN		( 16 )

///////////////////////////////////////////////////////
///////////////////////////////////////////////////////
// Configuration structure for volume configuration for
// File System
///////////////////////////////////////////////////////

// driver related functions
typedef INT (*DRV_INIT)( void *paddr, UINT32 num_bytes ) ;
typedef INT32 (*DRV_READ)( void *paddr, void *pbuf, UINT num_bytes ) ;
typedef INT32 (*DRV_WRITE)( void *paddr, void *pbuf, UINT num_bytes ) ;
typedef INT (*DRV_ERASE)( void *paddr, UINT32 num_bytes ) ;
typedef INT (*DRV_CLOSE)( void ) ;


// user configurable structure
typedef struct  {
	INT8		vol_name[ ZFS_MAX_VOL_NAME_LEN + 1] ;
	UINT8		vol_type ;		// ZFS_VOL_RAM, ZFS_VOL_INTFLASH, ZFS_VOL_EXTFLASH
	UINT8*		vol_addr ;		// starting address of volume.
	UINT32		vol_size ;		// in bytes
	UINT		vol_blks ;		// number of blocks present in the volume. (for RAM it will be 1, for flash related to the erasable units 
	UINT		vol_secs ;		// number of sectors
	
	// function pointers for all driver entries and other routines that require the different search algorithm
	// function pointers for all devices
	DRV_INIT	pfn_drv_init ;
	DRV_READ	pfn_drv_read ;
	DRV_WRITE	pfn_drv_write ;
	DRV_ERASE	pfn_drv_erase ;
	DRV_CLOSE	pfn_drv_close ;

	// function pointers for ZFS routines

} ZFS_CONFIG_t, *PZFS_CONFIG_t ;

extern ZFS_CONFIG_t g_zfs_cfg[ ] ;

///////////////////////////////////////////////////////

#endif //_ZFSCFG_H_