/* dosFsFatP.h - DOS file system FAT module header file*/ /* Copyright 1999 Wind River Systems, Inc. */ /* modification history -------------------- 01f,20sep01,jkf  SPR#69031, common code for both AE & 5.x.01e,29feb00,jkf  T3 changes01d,31jul99,jkf  T2 merge, tidiness & spelling.01c,23sep98,vld  field <syncEnabled> added to structure MS_FAT_DESC01b,20sep98,mjc  descriptor structure name changed from DOS_FAT16_DESC		 to MS_FAT_DESC01a,23feb98,mjc  written, preliminary */#ifndef __INCdosFath#define __INCdosFath#ifdef __cplusplusextern "C" {#endif#include "private/dosFsLibP.h"/* defines *//* conversions of sector <-> cluster numbers */#define CLUST_TO_SEC( pVolDesc, clustNum )                                  \                ( ((clustNum) - DOS_MIN_CLUST) * (pVolDesc)->secPerClust +  \                  (pVolDesc)->dataStartSec )#define SEC_TO_CLUST( pVolDesc, secNum )                                    \                                ( ((secNum) -  (pVolDesc)->dataStartSec) /  \                                  (pVolDesc)->secPerClust + DOS_MIN_CLUST )/* typedefs */typedef enum fat_rw	{FAT_READ, FAT_WRITE_GROUP, FAT_WRITE_CLUST} FAT_RW;typedef struct    {    DOS_FAT_DESC	dosFatDesc;	/* generic DOS FAT descriptor */    uint32_t		(*entryRead)				(DOS_FILE_DESC_ID pFd, uint32_t copyNum,				uint32_t entry);    STATUS		(*entryWrite)				(DOS_FILE_DESC_ID pFd, uint32_t copyNum,				uint32_t entry,				uint32_t value);    uint32_t		fatStartSec;	/* FAT starting sector number */    uint32_t		nFatEnts;	/* number of entries in FAT */    uint32_t		fatEntFreeCnt;	/* count of free clusters */    uint32_t		dos_fat_avail;	/* cluster is available: 0x0000 */    uint32_t            dos_fat_reserv;	/* reserved cluster marker: 0xff(f)0 */    uint32_t		dos_fat_bad;	/* bad cluster marker: 0xff(f)7 */    uint32_t		dos_fat_eof;	/* end-of-file marker: 0xff(f)f */    uint32_t		fatGroupSize;	/* size clusters */    uint32_t		groupAllocStart;/* initialize to DOS_MIN_CLUST */    uint32_t		clustAllocStart;/* initialize to DOS_MIN_CLUST */    BOOL		syncEnabled;	/* FAT copies mirroring enabling */    SEM_ID		allocSem;	/* semaphore to guard allocations */    } MS_FAT_DESC;typedef MS_FAT_DESC * MS_FAT_DESC_ID;/* defines */#ifdef __cplusplus}#endif#endif /* __INCdosFath */