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1827 lines
70 KiB
1827 lines
70 KiB
/***********************************************************************************/
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/* M-Systems Confidential */
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/* Copyright (C) M-Systems Flash Disk Pioneers Ltd. 1995-2001 */
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/* All Rights Reserved */
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/***********************************************************************************/
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/* NOTICE OF M-SYSTEMS OEM */
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/* SOFTWARE LICENSE AGREEMENT */
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/* */
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/* THE USE OF THIS SOFTWARE IS GOVERNED BY A SEPARATE LICENSE */
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/* AGREEMENT BETWEEN THE OEM AND M-SYSTEMS. REFER TO THAT AGREEMENT */
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/* FOR THE SPECIFIC TERMS AND CONDITIONS OF USE, */
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/* OR CONTACT M-SYSTEMS FOR LICENSE ASSISTANCE: */
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/* E-MAIL = [email protected] */
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/***********************************************************************************/
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/*
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* $Log: V:/Flite/archives/TrueFFS5/Src/flmtl.c_V $
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*
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* Rev 1.11 Nov 08 2001 10:49:20 oris
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* Added support for up to 1GB DiskOnChips.
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*
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* Rev 1.10 Sep 24 2001 18:23:40 oris
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* Removed warnings.
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*
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* Rev 1.9 Sep 15 2001 23:46:16 oris
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* Changed progress callback routine to support up to 64K units.
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*
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* Rev 1.8 Jul 13 2001 01:05:16 oris
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* Removed warnings.
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* Bug fix - exception when format routine is called with null progress call back routine.
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* Report noOfDrives as 1.
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*
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* Rev 1.7 Jun 17 2001 08:18:40 oris
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* Add improoved the format progress call back routine.
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* Removed fack number of TLS in mtlPreMount routine.
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*
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* Rev 1.6 May 21 2001 16:13:08 oris
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* Replaced memcpy with tffscpy Macro.
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*
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* Rev 1.5 May 17 2001 18:54:26 oris
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* Removed warnings.
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*
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* Rev 1.4 May 16 2001 21:19:02 oris
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* Changed the fl_MTLdefragMode variable to a global environment variable.
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* MTL now changes the noOfDriver variable after the first mount and restores it after uninstall.
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* Added missing ifdef directives.
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* Removed warnings.
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* Removed readBBT and writeBBT routines.
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* Improved MTL protection routine.
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*
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* Rev 1.3 Apr 01 2001 08:01:18 oris
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* copywrite notice.
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* Alligned left all # directives.
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*
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* Rev 1.2 Feb 18 2001 12:06:54 oris
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* Install mtl will now fake the noOfTLs in order to be the only TL.
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* Placed mtlFormat under FORMAT_VOLUME compilation flag.
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* Place mtlProtection under HW_PROTECTION compilation flag.
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* Changed mtlPreMount arg sanity check to include partition number.
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* Changed tmpflash to tmpFlash.
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*
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* Rev 1.1 Feb 14 2001 02:09:38 oris
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* Changed readBBT to return media size.
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* Added boundry argument to writeBBT.
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*
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* Rev 1.0 Feb 12 2001 12:07:02 oris
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* Initial revision.
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*
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* Rev 1.3 Jan 24 2001 18:10:48 oris
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* Bug fix: MTL failed to register because noOfTLs wan't updated
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*
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* Rev 1.2 Jan 24 2001 16:34:06 oris
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* MTL defragmentation changed, alt. defragmentation added.
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*
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* Rev 1.1 Jan 22 2001 22:10:50 amirm
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* #define FL_MTL_HIDDEN_SECTORS added
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*
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* Rev 1.0 Jan 22 2001 18:27:54 amirm
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* Initial revision.
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*
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*/
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/*
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* Include
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*/
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#include "fltl.h"
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/*
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* Configuration
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*/
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/* This defined sets the number of sectors to ignore starting from the
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* first device. The default value should be 1 therfore ignoring sector
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* 0 of the first device. Ignioring sector 0 gurentees that the combined
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* device does not use the BPB of the first device, which does not report
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* the C/H/S of the new combined media. The next format operation would
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* write a new BPB that would fit the new combined media size.
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*/
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#define FL_MTL_HIDDEN_SECTORS 1
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/*
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* Extern
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*/
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/*
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* Globals
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*/
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FLStatus flRegisterMTL (void); /* see also stdcomp.h */
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FLStatus flmtlInstall (void);
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FLStatus flmtlUninstall (void);
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/*
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* Local types
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*/
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/* I/O vector for splitting I/O among physical devices */
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typedef struct {
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SectorNo startSector;
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SectorNo sectors;
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} tMTLiov;
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/* Physical flash device. Part of MTL volume. */
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typedef struct {
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SectorNo virtualSectors;
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TL tl;
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dword physicalSize;
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} tMTLPhysDev;
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/* MTL volume */
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struct tTLrec {
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int noOfTLs;
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int noOfDrives;
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SectorNo virtualSectors;
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tMTLPhysDev devs[SOCKETS];
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};
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typedef TLrec MTL;
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/*
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* Local data
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*/
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/* only one MTL volume is supported */
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static MTL mvol;
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/* progress callBack routine */
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FLProgressCallback globalProgressCallback = NULL;
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/* access macros for MTL volume */
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#define mT(dev) (mvol.devs[dev].tl)
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#define mS(dev) (mvol.devs[dev].virtualSectors)
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#define mP(dev) (mvol.devs[dev].physicalSize)
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#define mpT(pvol,dev) ((pvol)->devs[dev].tl)
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#define mpF(pvol,dev) ((pvol)->devs[dev].flash)
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#define mpS(pvol,dev) ((pvol)->devs[dev].virtualSectors)
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/*
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* Local routines
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*/
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static FLStatus mtlSplitIO (MTL *pvol, SectorNo startSector,
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SectorNo sectors, tMTLiov *iov);
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static FLStatus mtlWrite (MTL *pvol, SectorNo startSector,
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SectorNo *pSectorsToWrite, void FAR1 *buf);
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static FLStatus mtlMount (unsigned volNo, TL *tl, FLFlash *flash,
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FLFlash **notUsed);
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#if defined(DEFRAGMENT_VOLUME) || defined(SINGLE_BUFFER)
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static FLStatus mtlDefragment (MTL *pvol, long FAR2 *sectorsNeeded);
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#ifdef ENVIRONMENT_VARS
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static FLStatus mtlDefragmentAlt (MTL *pvol, long FAR2 *sectorsNeeded);
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#endif /* ENVIRNOMETN_VARS */
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#endif /* DEFRAGMENT_VOLUME || SINGLE_BUFFER */
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static void mtlUnmount (MTL *pvol);
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#ifdef FORMAT_VOLUME
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static FLStatus mtlFormat (unsigned volNo, TLFormatParams* formatParams,
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FLFlash *flash);
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#endif /* FORMAT_VOLUME */
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static FLStatus mtlWriteSector (MTL *pvol, SectorNo sectorNo,
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void FAR1 *fromAddress);
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static FLStatus mtlDeleteSector (MTL *pvol, SectorNo sectorNo,
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SectorNo noOfSectors);
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static FLStatus mtlInfo (MTL *pvol, TLInfo *tlInfo);
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static FLStatus mtlSetBusy (MTL *pvol, FLBoolean state);
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static SectorNo mtlSectorsInVolume (MTL *pvol);
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static const void FAR0 *mtlMapSector (MTL *pvol, SectorNo sectorNo,
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CardAddress *physAddress);
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#ifdef HW_PROTECTION
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static FLStatus mtlProtection(FLFunctionNo callType,
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IOreq FAR2* ioreq, FLFlash* flash);
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#endif /* HW_PROTECTION */
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static FLStatus mtlPreMount(FLFunctionNo callType, IOreq FAR2* ioreq ,
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FLFlash* flash,FLStatus* status);
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/* -------------------------------------------------------------------------- *
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* *
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* m t l S p l i t I O *
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* *
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* Setup I/O vector for splitting I/O request among physical devices. *
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* *
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* Parameters : *
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* *
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* pvol : Pointer identifying drive *
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* startSector : starting sector # (zero-based) *
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* sectors : total number of sectors *
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* iov : I/O vector to setup *
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* *
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* Returns : *
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* *
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* flOK on success, otherwise respective error code. *
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* *
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* -------------------------------------------------------------------------- */
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static FLStatus mtlSplitIO (MTL *pvol, SectorNo startSector, SectorNo sectors,
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tMTLiov *iov)
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{
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SectorNo devFirstSectNo;
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SectorNo devLastSectNo;
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int iDev;
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/* check 'pvol' for sanity */
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if (pvol != &mvol)
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return flBadDriveHandle;
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/* clear I/O vector */
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for (iDev = 0; iDev < SOCKETS; iDev++) {
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iov[iDev].sectors = (SectorNo) 0;
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iov[iDev].startSector = (SectorNo)(-1);
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}
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/* split I/O operation among physical devices */
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devFirstSectNo = (SectorNo) 0;
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for (iDev = 0; (iDev < noOfSockets) && (sectors > ((SectorNo) 0)); iDev++) {
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devLastSectNo = devFirstSectNo + (mpS(pvol,iDev) - ((SectorNo) 1));
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if ((startSector >= devFirstSectNo) && (startSector <= devLastSectNo)) {
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iov[iDev].startSector = startSector - devFirstSectNo + FL_MTL_HIDDEN_SECTORS;
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iov[iDev].sectors = devLastSectNo - startSector + ((SectorNo) 1);
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startSector = devLastSectNo + ((SectorNo) 1);
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if (sectors <= iov[iDev].sectors) {
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iov[iDev].sectors = sectors;
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startSector = (SectorNo) 0;
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sectors = (SectorNo) 0;
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}
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else {
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sectors -= iov[iDev].sectors;
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}
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}
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devFirstSectNo = devLastSectNo + ((SectorNo) 1);
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}
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if (sectors > ((SectorNo) 0)) {
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DEBUG_PRINT(("Debug: can't split I/O request among physical devices.\n"));
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return flNoSpaceInVolume;
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}
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return flOK;
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}
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/* -------------------------------------------------------------------------- *
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* *
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* m t l M a p S e c t o r *
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* *
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* TL's standard 'map one sector' routine. *
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* *
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* Parameters : *
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* *
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* pvol : Pointer identifying drive *
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* sectorNo : sector # to map (zero-based) *
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* physAddress : optional pointer to receive sector's physical *
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* address on the media *
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* *
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* Returns : *
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* *
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* flOK on success, otherwise respective error code. *
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* *
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* -------------------------------------------------------------------------- */
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static const void FAR0 *mtlMapSector (MTL *pvol, SectorNo sectorNo,
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CardAddress *physAddress)
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{
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SectorNo sectorsToMap;
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tMTLiov iov[SOCKETS];
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int iDev;
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/* pass call to the TL of the respective underlaying physical device */
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sectorsToMap = (SectorNo) 1;
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if (mtlSplitIO(pvol, sectorNo, sectorsToMap, iov) != flOK)
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return NULL;
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for (iDev = 0; iDev < noOfSockets; iDev++) {
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if (iov[iDev].sectors != ((SectorNo) 0)) {
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return mpT(pvol,iDev).mapSector (mpT(pvol,iDev).rec,
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iov[iDev].startSector, physAddress);
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}
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}
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return NULL;
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}
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/* -------------------------------------------------------------------------- *
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* *
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* m t l W r i t e *
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* *
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* Split call to write multiple consequitive sectors among TLs of the *
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* underlaying physical devices. *
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* *
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* Parameters : *
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* *
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* pvol : Pointer identifying drive *
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* startSector : starting sector # (zero-based) *
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* pSectorsToWrite : on entry - total number of sectors to write *
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* on exit - total number of sectors written *
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* buf : buffer containing data to write to the media *
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* *
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* Returns : *
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* *
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* flOK on success, otherwise respective error code. *
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* *
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* -------------------------------------------------------------------------- */
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static FLStatus mtlWrite (MTL *pvol, SectorNo startSector,
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SectorNo *pSectorsToWrite, void FAR1 *buf)
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{
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tMTLiov iov[SOCKETS];
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int iDev;
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/* split call among TLs of the underlaying physical devices */
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checkStatus( mtlSplitIO(pvol, startSector, *pSectorsToWrite, iov) );
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for (iDev = 0; iDev < noOfSockets; iDev++) {
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if (iov[iDev].sectors != ((SectorNo) 0)) {
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checkStatus( mpT(pvol,iDev).writeSector(mpT(pvol,iDev).rec,
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iov[iDev].startSector,buf) );
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*pSectorsToWrite -= iov[iDev].sectors;
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buf = BYTE_ADD_FAR(buf,(CardAddress)iov[iDev].sectors << SECTOR_SIZE_BITS);
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}
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}
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if (*pSectorsToWrite != ((SectorNo) 0))
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return flIncomplete;
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return flOK;
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}
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/* -------------------------------------------------------------------------- *
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* *
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* m t l W r i t e S e c t o r *
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* *
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* TL's standard 'write one sector' routine. *
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* *
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* Parameters : *
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* *
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* pvol : Pointer identifying drive *
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* sectorNo : sector # to write to (zero-based) *
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* fromAddress : buffer containing data to write to the media *
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* *
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* Returns : *
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* *
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* flOK on success, otherwise respective error code. *
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* *
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* -------------------------------------------------------------------------- */
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static FLStatus mtlWriteSector (MTL *pvol, SectorNo sectorNo, void FAR1 *fromAddress)
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{
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SectorNo sectorsToWrite = (SectorNo) 1;
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/* pass call to the TL of the respective underlaying physical device */
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checkStatus( mtlWrite(pvol, sectorNo, §orsToWrite, (char FAR1 *)fromAddress) );
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if (sectorsToWrite != ((SectorNo) 0))
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return flIncomplete;
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return flOK;
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}
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|
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/* -------------------------------------------------------------------------- *
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* *
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* m t l D e l e t e S e c t o r *
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* *
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* TL's standard 'delete range of sectors' routine. *
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* *
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* Parameters : *
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* *
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* pvol : Pointer identifying drive *
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* startSector : starting sector # (zero-based) *
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* sectors : total number of sectors to delete *
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* *
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* Returns : *
|
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* *
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* flOK on success, otherwise respective error code. *
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* *
|
|
* -------------------------------------------------------------------------- */
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static FLStatus mtlDeleteSector (MTL *pvol, SectorNo startSector,
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SectorNo sectors)
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{
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tMTLiov iov[SOCKETS];
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int iDev;
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/* split call among TLs of the underlaying physical devices */
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checkStatus( mtlSplitIO(pvol, startSector, sectors, iov) );
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for (iDev = 0; iDev < noOfSockets; iDev++) {
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if (iov[iDev].sectors != ((SectorNo) 0)) {
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checkStatus( mpT(pvol,iDev).deleteSector(mpT(pvol,iDev).rec,
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iov[iDev].startSector,
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iov[iDev].sectors) );
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}
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sectors -= iov[iDev].sectors;
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}
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if (sectors != ((SectorNo) 0))
|
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return flIncomplete;
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|
|
|
return flOK;
|
|
}
|
|
|
|
|
|
|
|
|
|
/* -------------------------------------------------------------------------- *
|
|
* *
|
|
* m t l I n f o *
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* *
|
|
* TL's standard 'get info' routine. *
|
|
* *
|
|
* Parameters : *
|
|
* *
|
|
* pvol : Pointer identifying drive *
|
|
* pTLinfo : pointer to the TLInfo structure to fill in *
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|
* *
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|
* Returns : *
|
|
* *
|
|
* flOK on success, otherwise respective error code. *
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|
* *
|
|
* -------------------------------------------------------------------------- */
|
|
|
|
static FLStatus mtlInfo (MTL *pvol, TLInfo *pTLinfo)
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|
{
|
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TLInfo tmp;
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|
int iDev;
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|
|
|
/* check 'pvol' for sanity */
|
|
|
|
if (pvol != &mvol)
|
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return flBadDriveHandle;
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|
|
|
pTLinfo->sectorsInVolume = pvol->virtualSectors;
|
|
|
|
/*
|
|
* The 'eraseCycles' is reported as a sum of that of all the underlaying
|
|
* physical devices. The 'bootAreaSize' is set to the one of the 1st
|
|
* underlaying physical device.
|
|
*/
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|
|
pTLinfo->bootAreaSize = (dword) 0;
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|
pTLinfo->eraseCycles = (dword) 0;
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|
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for (iDev = 0; iDev < noOfSockets; iDev++) {
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if (mpT(pvol,iDev).getTLInfo != NULL) {
|
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checkStatus( mpT(pvol,iDev).getTLInfo(mpT(pvol,iDev).rec, &tmp) );
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pTLinfo->eraseCycles += tmp.eraseCycles;
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if (iDev == 0)
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pTLinfo->bootAreaSize = tmp.bootAreaSize;
|
|
}
|
|
}
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|
|
|
return flOK;
|
|
}
|
|
|
|
/* -------------------------------------------------------------------------- *
|
|
* *
|
|
* m t l S e t B u s y *
|
|
* *
|
|
* TL's standard routine which is called at the beginning and and the end of *
|
|
* the block device operation. *
|
|
* *
|
|
* Parameters : *
|
|
* *
|
|
* pvol : Pointer identifying drive *
|
|
* state : FL_ON - start of block device operation *
|
|
* FL_OFF - end of block device operation *
|
|
* *
|
|
* Returns : *
|
|
* *
|
|
* flOK on success, otherwise respective error code. *
|
|
* *
|
|
* -------------------------------------------------------------------------- */
|
|
|
|
static FLStatus mtlSetBusy (MTL *pvol, FLBoolean state)
|
|
{
|
|
int iDev;
|
|
|
|
/* check 'pvol' for sanity */
|
|
|
|
if (pvol != &mvol)
|
|
return flBadDriveHandle;
|
|
|
|
/* broadcast this call to TLs of all the underlaying physical devices */
|
|
|
|
for (iDev = 0; iDev < noOfSockets; iDev++) {
|
|
if (mpT(pvol,iDev).tlSetBusy != NULL) {
|
|
checkStatus( mpT(pvol,iDev).tlSetBusy(mpT(pvol,iDev).rec, state) );
|
|
}
|
|
}
|
|
|
|
return flOK;
|
|
}
|
|
|
|
|
|
|
|
|
|
/* -------------------------------------------------------------------------- *
|
|
* *
|
|
* m t l S e c t o r s I n V o l u m e *
|
|
* *
|
|
* Report the total number of sectors in the volume. *
|
|
* *
|
|
* Parameters : *
|
|
* *
|
|
* pvol : Pointer identifying drive *
|
|
* *
|
|
* Returns : *
|
|
* *
|
|
* Total number of sectors in the volume, or zero in case of error. *
|
|
* *
|
|
* -------------------------------------------------------------------------- */
|
|
|
|
static SectorNo mtlSectorsInVolume (MTL *pvol)
|
|
{
|
|
/* check 'pvol' for sanity */
|
|
|
|
if (pvol != &mvol)
|
|
return ((SectorNo) 0);
|
|
|
|
return pvol->virtualSectors;
|
|
}
|
|
|
|
|
|
|
|
|
|
#if defined(DEFRAGMENT_VOLUME) || defined(SINGLE_BUFFER)
|
|
|
|
/* -------------------------------------------------------------------------- *
|
|
* *
|
|
* m t l D e f r a g m e n t *
|
|
* *
|
|
* TL's standard garbage collection / volume defragmentaion routine. *
|
|
* *
|
|
* Note : The garbage collection algorithm will try and free the required *
|
|
* number of sectors on each of the combined devices. *
|
|
* *
|
|
* Parameters : *
|
|
* *
|
|
* pvol : Pointer identifying drive *
|
|
* sectorsNeeded : On entry - minimum number of free sectors that *
|
|
* are requested to be on the media upon call *
|
|
* completion. Two special cases: zero for *
|
|
* complete defragmentation of all the physical *
|
|
* devices, and '-1' for minimal defragmentation *
|
|
* of each physical device. *
|
|
* On exit - actual number of free sectors on *
|
|
* the media. *
|
|
* Returns : *
|
|
* *
|
|
* flOK on success, otherwise respective error code. *
|
|
* *
|
|
* -------------------------------------------------------------------------- */
|
|
|
|
static FLStatus mtlDefragment (MTL *pvol, long FAR2 *sectorsNeeded)
|
|
{
|
|
long freeSectors;
|
|
FLStatus status;
|
|
int iDev;
|
|
long tmp;
|
|
FLStatus tmpStatus;
|
|
|
|
/* check args for sanity */
|
|
|
|
if (pvol != &mvol)
|
|
return flBadDriveHandle;
|
|
|
|
/*
|
|
* Pass call to the TL of the respective underlaying physical device.
|
|
* Count total number of free sectors on all devices.
|
|
*/
|
|
|
|
status = flOK;
|
|
|
|
freeSectors = (long) 0;
|
|
|
|
for (iDev = 0; iDev < noOfSockets; iDev++) {
|
|
|
|
if (mpT(pvol,iDev).defragment != NULL) {
|
|
|
|
switch (*sectorsNeeded) {
|
|
|
|
case ((long)(-1)): /* minimal defragmenation */
|
|
tmp = (long)(-1);
|
|
break;
|
|
|
|
case ((long) 0): /* complete defragmenation */
|
|
tmp = mpS(pvol,iDev);
|
|
break;
|
|
|
|
default: /* partial defragmentation */
|
|
if (*sectorsNeeded < (long) mpS(pvol,iDev))
|
|
{
|
|
tmp = *sectorsNeeded;
|
|
}
|
|
else
|
|
{
|
|
tmp = mpS(pvol,iDev); /* complete defragmentation */
|
|
}
|
|
break;
|
|
}
|
|
|
|
tmpStatus = mpT(pvol,iDev).defragment (mpT(pvol,iDev).rec, ((long FAR2 *) &tmp));
|
|
if (tmpStatus != flBadFormat)
|
|
{
|
|
freeSectors += tmp;
|
|
}
|
|
else
|
|
{
|
|
status = tmpStatus;
|
|
}
|
|
}
|
|
}
|
|
|
|
*sectorsNeeded = freeSectors;
|
|
|
|
if (*sectorsNeeded == ((long) 0))
|
|
return flNoSpaceInVolume;
|
|
|
|
return status;
|
|
}
|
|
|
|
#ifdef ENVIRONMENT_VARS
|
|
|
|
/* -------------------------------------------------------------------------- *
|
|
* *
|
|
* m t l D e f r a g m e n t A l t *
|
|
* *
|
|
* TL's alternative garbage collection / volume defragmentaion routine. *
|
|
* *
|
|
* Note : The garbage collection algorithm Perform quick gurbage collections *
|
|
* from drive 0 until there is no more "garbage" to collect or until *
|
|
* there is enough clean space. If the specified clean spage was not *
|
|
* achieved try the next device. *
|
|
* While this method is faster then the standard defragment, it does *
|
|
* not gurantee that when the clean sectors are needed they will be *
|
|
* available. This is becuase write operation on MTL will directed *
|
|
* the write operation to a specific device according to the specifed *
|
|
* virtual sector number (not necceseraly starting from device #0). *
|
|
* *
|
|
* Parameters : *
|
|
* *
|
|
* pvol : Pointer identifying drive *
|
|
* sectorsNeeded : On entry - minimum number of free sectors that *
|
|
* are requested to be on the media upon call *
|
|
* completion. Two special cases: zero for *
|
|
* complete defragmentation of all the physical *
|
|
* devices, and '-1' for minimal defragmentation *
|
|
* of each physical device. *
|
|
* On exit - actual number of free sectors on *
|
|
* the media. *
|
|
* Returns : *
|
|
* *
|
|
* flOK on success, otherwise respective error code. *
|
|
* *
|
|
* -------------------------------------------------------------------------- */
|
|
|
|
static FLStatus mtlDefragmentAlt (MTL *pvol, long FAR2 *sectorsNeeded)
|
|
{
|
|
long freeSectors;
|
|
FLBoolean keepWorking;
|
|
FLBoolean driveDone[SOCKETS];
|
|
long freeSectorsOnDrive[SOCKETS];
|
|
FLStatus status;
|
|
int iDev;
|
|
FLStatus tmpStatus;
|
|
long tmp;
|
|
|
|
/* check args for sanity */
|
|
|
|
if (pvol != &mvol)
|
|
return flBadDriveHandle;
|
|
|
|
/*
|
|
* Pass call to the TL of the respective underlaying physical device.
|
|
* Count total number of free sectors on all devices.
|
|
*/
|
|
|
|
status = flOK;
|
|
|
|
freeSectors = (long) 0;
|
|
|
|
if ((*sectorsNeeded == ((long) -1)) || (*sectorsNeeded == (long)0)) {
|
|
|
|
/* Either total or minimal defragmentation of all physical devices. */
|
|
|
|
for (iDev = 0; iDev < noOfSockets; iDev++) {
|
|
|
|
if (mpT(pvol,iDev).defragment != NULL) {
|
|
|
|
if (*sectorsNeeded == ((long) -1))
|
|
tmp = (long)(-1); /* minimal defragmenation */
|
|
else
|
|
tmp = mpS(pvol,iDev); /* complete defragmenation */
|
|
|
|
tmpStatus = mpT(pvol,iDev).defragment (mpT(pvol,iDev).rec, ((long FAR2 *) &tmp));
|
|
|
|
if (tmpStatus != flBadFormat) {
|
|
freeSectors += tmp;
|
|
}
|
|
else {
|
|
DEBUG_PRINT(("Debug: Error defragmenting physical device.\n"));
|
|
status = tmpStatus;
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
else { /* Partial defragmentaion of the MTL volume */
|
|
|
|
for (iDev = 0; iDev < SOCKETS; iDev++) {
|
|
freeSectorsOnDrive[iDev] = (long) 0;
|
|
if ((iDev < noOfSockets) && (mpT(pvol,iDev).defragment != NULL))
|
|
driveDone[iDev] = FALSE;
|
|
else
|
|
driveDone[iDev] = TRUE;
|
|
}
|
|
|
|
keepWorking = TRUE;
|
|
|
|
while (keepWorking == TRUE) {
|
|
|
|
keepWorking = FALSE;
|
|
|
|
for (iDev = 0; iDev < noOfSockets; iDev++) {
|
|
|
|
/*
|
|
* Do minimal defragmentation of this physical device. If we
|
|
* have got error, or haven't gained any more free sectors,
|
|
* this physical device is done. If that is the case for all
|
|
* physical devices, the MTL defragmentation is done. If the
|
|
* required number of free sectors has been reached, MTL
|
|
* defragmentation is done.
|
|
*/
|
|
|
|
if (driveDone[iDev] != TRUE) {
|
|
|
|
tmp = (long) -1;
|
|
tmpStatus = mpT(pvol,iDev).defragment (mpT(pvol,iDev).rec, ((long FAR2 *) &tmp));
|
|
|
|
if (tmpStatus != flBadFormat) {
|
|
|
|
if (freeSectorsOnDrive[iDev] < tmp) {
|
|
|
|
/* got few more free sectors on that physical device */
|
|
|
|
keepWorking = TRUE;
|
|
|
|
freeSectors += (tmp - freeSectorsOnDrive[iDev]);
|
|
freeSectorsOnDrive[iDev] = tmp;
|
|
|
|
if (freeSectors >= *sectorsNeeded) {
|
|
|
|
/* required number of free sectors reached */
|
|
|
|
keepWorking = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
else { /* didn't gain any free sectors */
|
|
driveDone[iDev] = TRUE;
|
|
}
|
|
}
|
|
else {
|
|
DEBUG_PRINT(("Debug: Error defragmenting physical device.\n"));
|
|
driveDone[iDev] = TRUE;
|
|
status = tmpStatus;
|
|
}
|
|
}
|
|
|
|
} /* for (iDev) */
|
|
} /* while (keepWorking */
|
|
}
|
|
|
|
*sectorsNeeded = freeSectors;
|
|
|
|
if (*sectorsNeeded == ((long) 0))
|
|
return flNoSpaceInVolume;
|
|
|
|
return status;
|
|
}
|
|
#endif /* ENVIRONEMENT_VARS */
|
|
#endif /* DEFRAGMENT_VOLUME || SINGLE_BUFFER */
|
|
#ifdef HW_PROTECTION
|
|
/* -------------------------------------------------------------------------- *
|
|
* *
|
|
* m t l P r o t e c t i o n *
|
|
* *
|
|
* TL's protection routine. *
|
|
* *
|
|
* Parameters : *
|
|
* *
|
|
* callType : pre mount protection operation type. *
|
|
* ioreq : pointer to the structure containing i\o fields *
|
|
* flash : pointer to the flash record of device #0
|
|
* *
|
|
* Returns : *
|
|
* *
|
|
* flOK on success, otherwise respective error code. *
|
|
* *
|
|
* -------------------------------------------------------------------------- */
|
|
|
|
static FLStatus mtlProtection(FLFunctionNo callType, IOreq FAR2* ioreq,
|
|
FLFlash* flash)
|
|
|
|
{
|
|
FLSocket *socket;
|
|
FLStatus status;
|
|
FLStatus callStatus;
|
|
FLFlash tmpFlash;
|
|
int iTL;
|
|
int iDev = 0;
|
|
unsigned flags = 0;
|
|
|
|
/*
|
|
* Do flash recognition and identify protection attributes for devices
|
|
* #0 .. (mvol.noOfSockets - 1) verifing that the operation can be
|
|
* preformed and that the protection attributes of all the devieces
|
|
* match.
|
|
*/
|
|
|
|
tffscpy(&tmpFlash,flash,sizeof (tmpFlash)); /* Use the given flash */
|
|
|
|
while(1)
|
|
{
|
|
/* The tmpFlash record is already intialized Try all the TLs */
|
|
|
|
status = flUnknownMedia;
|
|
for (iTL = 1;(iTL < mvol.noOfTLs) && (status == flUnknownMedia); iTL++)
|
|
{
|
|
if ((tlTable[iTL].formatRoutine == NULL) || /* TL filter */
|
|
(tlTable[iTL].preMountRoutine == NULL))
|
|
continue;
|
|
status = tlTable[iTL].preMountRoutine(FL_PROTECTION_GET_TYPE,
|
|
ioreq,&tmpFlash,&callStatus);
|
|
}
|
|
if (status != flOK)
|
|
{
|
|
DEBUG_PRINT(("Debug: no TL recognized the device, MTL protection aborted.\n"));
|
|
return flFeatureNotSupported;
|
|
}
|
|
if (callStatus != flOK)
|
|
{
|
|
return callStatus;
|
|
}
|
|
|
|
/* Check protection attributes */
|
|
|
|
if ((ioreq->irFlags & PROTECTABLE) == 0)
|
|
return flNotProtected;
|
|
|
|
if (iDev == 0) /* First device */
|
|
{
|
|
flags = ioreq->irFlags;
|
|
}
|
|
else
|
|
{
|
|
/* Diffrent protection attributes on diffrent devices */
|
|
if (ioreq->irFlags != flags)
|
|
return flMultiDocContrediction;
|
|
}
|
|
|
|
/* Validity check for the proper function call */
|
|
|
|
switch(callType)
|
|
{
|
|
case FL_PROTECTION_GET_TYPE: /* Identify protection */
|
|
if (iDev == noOfSockets-1)
|
|
return flOK;
|
|
break;
|
|
case FL_PROTECTION_SET_LOCK: /* Change protection */
|
|
case FL_PROTECTION_CHANGE_KEY:
|
|
case FL_PROTECTION_CHANGE_TYPE:
|
|
if (!(flags & CHANGEABLE_PROTECTION ) ||
|
|
(tmpFlash.protectionBoundries == NULL ) ||
|
|
(tmpFlash.protectionSet == NULL ))
|
|
{
|
|
return flUnchangeableProtection;
|
|
}
|
|
default: /* Insert and remove Key */
|
|
break;
|
|
}
|
|
|
|
/* Identify flash for next device */
|
|
|
|
if (iDev < noOfSockets - 1)
|
|
{
|
|
iDev++;
|
|
socket = flSocketOf (iDev);
|
|
|
|
/* Identify */
|
|
|
|
status = flIdentifyFlash (socket, &tmpFlash);
|
|
if ((status != flOK) && (status != flUnknownMedia))
|
|
{
|
|
DEBUG_PRINT(("Debug: no MTD recognized the device, MTL protection aborted.\n"));
|
|
return status;
|
|
}
|
|
}
|
|
else
|
|
break;
|
|
|
|
} /* for(iDev) */
|
|
|
|
/*
|
|
* Pass call to the TL of the respective underlaying physical device.
|
|
* Do flash recognition try all TLs registered in tlTable[]. Assume MTL
|
|
* is in tlTable[0], so skip it. Skip all the TL filters as well.
|
|
*/
|
|
|
|
for (iDev = 0, callStatus = flOK;
|
|
(iDev < noOfSockets) && (callStatus == flOK); iDev++)
|
|
{
|
|
socket = flSocketOf (iDev);
|
|
|
|
/* Identify */
|
|
|
|
status = flIdentifyFlash (socket, &tmpFlash);
|
|
if ((status != flOK) && (status != flUnknownMedia))
|
|
{
|
|
DEBUG_PRINT(("Debug: no MTD recognized the device, MTL protection aborted.\n"));
|
|
return status;
|
|
}
|
|
|
|
/* Try all the TLs */
|
|
|
|
status = flUnknownMedia;
|
|
for (iTL = 1; (iTL < mvol.noOfTLs) && (status == flUnknownMedia); iTL++)
|
|
{
|
|
if ((tlTable[iTL].formatRoutine == NULL) || /* TL filter */
|
|
(tlTable[iTL].preMountRoutine == NULL))
|
|
continue;
|
|
status = tlTable[iTL].preMountRoutine(callType,ioreq,
|
|
&tmpFlash,&callStatus);
|
|
}
|
|
if (status != flOK)
|
|
{
|
|
DEBUG_PRINT(("Debug: no TL recognized the device, MTL protection aborted.\n"));
|
|
return flFeatureNotSupported;
|
|
}
|
|
}
|
|
return callStatus;
|
|
}
|
|
#endif /* HW_PROTECTION */
|
|
/* -------------------------------------------------------------------------- *
|
|
* *
|
|
* m t l P r e M o u n t *
|
|
* *
|
|
* TL's standard volume pre mount routine. *
|
|
* *
|
|
* Parameters : *
|
|
* *
|
|
* callType : pre mount operation type. *
|
|
* ioreq : pointer to the structure containing i\o fields *
|
|
* flash : MTD attached to the 1st underlaying physical *
|
|
* device *
|
|
* *
|
|
* Returns : *
|
|
* *
|
|
* The routine always return flOK in order to stop other TLs from trying *
|
|
* to perform the operation. The true status code is returned in the *
|
|
* 'status' parameter. flOK on success, otherwise respective error code. * *
|
|
* *
|
|
* -------------------------------------------------------------------------- */
|
|
|
|
static FLStatus mtlPreMount(FLFunctionNo callType, IOreq FAR2* ioreq ,
|
|
FLFlash* flash,FLStatus* status)
|
|
{
|
|
/* arg sanity check */
|
|
|
|
if (ioreq->irHandle != 0)
|
|
{
|
|
DEBUG_PRINT(("Debug: can't execute, MTL must address first volume of socket 0.\n"));
|
|
*status = flBadParameter;
|
|
return flOK;
|
|
}
|
|
|
|
switch (callType)
|
|
{
|
|
case FL_COUNT_VOLUMES:
|
|
|
|
/* Count VOLUMES routine. We assume that while MTL is mounted only
|
|
* one device of each socket can be mounted.
|
|
*/
|
|
|
|
ioreq->irFlags = 1;
|
|
*status = flOK;
|
|
break;
|
|
|
|
/* Protection rouines. Call each of the underlaying physical devices. */
|
|
|
|
#ifdef HW_PROTECTION
|
|
case FL_PROTECTION_GET_TYPE:
|
|
case FL_PROTECTION_SET_LOCK:
|
|
case FL_PROTECTION_CHANGE_KEY:
|
|
case FL_PROTECTION_CHANGE_TYPE:
|
|
case FL_PROTECTION_REMOVE_KEY:
|
|
case FL_PROTECTION_INSERT_KEY:
|
|
*status = mtlProtection(callType,ioreq,flash);
|
|
break;
|
|
#endif /* HW_PROTECTION */
|
|
|
|
/* Write Bad Block Table. Call each of the underlaying physical device. */
|
|
|
|
case FL_WRITE_BBT:
|
|
*status = flFeatureNotSupported/*mtlWriteBBT(ioreq)*/;
|
|
return flFeatureNotSupported;
|
|
|
|
default:
|
|
return flBadParameter;
|
|
}
|
|
|
|
DEBUG_PRINT(("Debug: MTL premount succeeded.\n"));
|
|
|
|
return flOK;
|
|
}
|
|
|
|
/* -------------------------------------------------------------------------- *
|
|
* *
|
|
* m t l U n m o u n t *
|
|
* *
|
|
* TL's standard volume unmount routine. *
|
|
* *
|
|
* Parameters : *
|
|
* *
|
|
* pvol : Pointer identifying drive *
|
|
* *
|
|
* Returns : *
|
|
* *
|
|
* none *
|
|
* *
|
|
* -------------------------------------------------------------------------- */
|
|
|
|
static void mtlUnmount (MTL *pvol)
|
|
{
|
|
int iDev;
|
|
|
|
/* check 'pvol' for sanity */
|
|
|
|
if (pvol != &mvol)
|
|
return;
|
|
|
|
/* broadcast this call to TLs of all the underlaying physical devices */
|
|
|
|
for (iDev = 0; iDev < noOfSockets; iDev++) {
|
|
if (mpT(pvol,iDev).dismount != NULL) {
|
|
mpT(pvol,iDev).dismount (mpT(pvol,iDev).rec);
|
|
}
|
|
}
|
|
|
|
/* Return the real number of drives */
|
|
noOfDrives = mvol.noOfDrives;
|
|
|
|
DEBUG_PRINT(("Debug: MTL dismounted succeeded.\n"));
|
|
|
|
}
|
|
|
|
|
|
/* -------------------------------------------------------------------------- *
|
|
* *
|
|
* m t l M o u n t *
|
|
* *
|
|
* TL's standard volume mount routine. *
|
|
* *
|
|
* Parameters : *
|
|
* *
|
|
* volNo : volume #, must be zero *
|
|
* tl : pointer to TL structure to fill in *
|
|
* flash : MTD attached to the 1st underlaying physical *
|
|
* device *
|
|
* forCallback : MTD for power on callback (not used). *
|
|
* *
|
|
* Returns : *
|
|
* *
|
|
* flOK on success, otherwise respective error code. *
|
|
* *
|
|
* -------------------------------------------------------------------------- */
|
|
|
|
static FLStatus mtlMount (unsigned volNo, TL *tl, FLFlash *flash,
|
|
FLFlash **forCallback)
|
|
{
|
|
FLFlash tmpFlash;
|
|
FLFlash *volForCallback;
|
|
FLSocket *socket;
|
|
FLStatus status = flUnknownMedia;
|
|
int iTL;
|
|
int iDev = 0;
|
|
|
|
/* Arg sanity check */
|
|
|
|
if (volNo != ((unsigned) 0)) {
|
|
DEBUG_PRINT(("Debug: can't mount, MTL volume # is not zero.\n"));
|
|
return flBadParameter;
|
|
}
|
|
|
|
/*
|
|
* Do TL mount for device #0. Routine flIdentifyFlash() has already been
|
|
* called for this device (see arguement 'flash')
|
|
*/
|
|
|
|
volForCallback = NULL;
|
|
|
|
/* mT(0).recommendedClusterInfo = NULL;
|
|
mT(0).writeMultiSector = NULL;
|
|
mT(0).readSectors = NULL; */
|
|
|
|
/*
|
|
* Try all TLs registered in tlTable[]. Assume MTL is in tlTable[0], so
|
|
* skip it. Skip all the TL filters as well.
|
|
*/
|
|
|
|
for (iTL = 1; (iTL < mvol.noOfTLs) && (status != flOK); iTL++) {
|
|
if (tlTable[iTL].formatRoutine == NULL) /* TL filter */
|
|
continue;
|
|
status = tlTable[iTL].mountRoutine (0, &mT(0), flash, &volForCallback);
|
|
}
|
|
if (status != flOK) {
|
|
DEBUG_PRINT(("Debug: no TL recognized device #0, MTL mount aborted.\n"));
|
|
return status;
|
|
}
|
|
|
|
mP(iDev) = (dword)(flash->chipSize * flash->noOfChips); /* Physical size */
|
|
|
|
if (volForCallback)
|
|
volForCallback->setPowerOnCallback (volForCallback);
|
|
|
|
/*
|
|
* Do flash recognition and TL mount for devices #1 .. (mvol.noOfSockets - 1).
|
|
* First call flIdentifyFlash() to find MTD, then try all TLs registered
|
|
* in tlTable[]. Assume MTL is in tlTable[0], so skip it. Skip all the
|
|
* TL filters as well.
|
|
*/
|
|
|
|
for (iDev = 1; iDev < noOfSockets; iDev++) {
|
|
|
|
socket = flSocketOf (iDev);
|
|
|
|
status = flIdentifyFlash (socket, &tmpFlash);
|
|
if ((status != flOK) && (status != flUnknownMedia)) {
|
|
DEBUG_PRINT(("Debug: no MTD recognized the device, MTL mount aborted.\n"));
|
|
goto exitMount;
|
|
}
|
|
|
|
volForCallback = NULL;
|
|
mP(iDev) = (dword)(tmpFlash.chipSize * tmpFlash.noOfChips); /* Physical size */
|
|
mT(iDev).partitionNo = 0;
|
|
mT(iDev).socketNo = (byte)iDev;
|
|
|
|
|
|
/* mT(iDev).recommendedClusterInfo = NULL;
|
|
mT(iDev).writeMultiSector = NULL;
|
|
mT(iDev).readSectors = NULL;*/
|
|
|
|
status = flUnknownMedia;
|
|
for (iTL = 1; (iTL < mvol.noOfTLs) && (status != flOK); iTL++) {
|
|
if (tlTable[iTL].formatRoutine == NULL) /* TL filter */
|
|
continue;
|
|
status = tlTable[iTL].mountRoutine (iDev, &mT(iDev), &tmpFlash, &volForCallback);
|
|
}
|
|
if (status != flOK) {
|
|
DEBUG_PRINT(("Debug: no TL recognized the device, MTL mount aborted.\n"));
|
|
goto exitMount;
|
|
}
|
|
|
|
if (volForCallback)
|
|
volForCallback->setPowerOnCallback (volForCallback);
|
|
} /* for (iDev) */
|
|
|
|
/* Count the total of virtual sectors across all devices */
|
|
|
|
mvol.virtualSectors = (SectorNo) 0;
|
|
for (iDev = 0; iDev < SOCKETS; iDev++) {
|
|
mS(iDev) = (SectorNo) 0;
|
|
if (iDev >= noOfSockets)
|
|
continue;
|
|
|
|
mS(iDev) = mT(iDev).sectorsInVolume (mT(iDev).rec) - FL_MTL_HIDDEN_SECTORS;
|
|
mvol.virtualSectors += mS(iDev);
|
|
}
|
|
|
|
exitMount:
|
|
if (status != flOK)
|
|
{
|
|
/* If one of the devices failed mount dismount all devices */
|
|
for (;iDev >=0;iDev--)
|
|
{
|
|
if (mT(iDev).dismount != NULL)
|
|
mT(iDev).dismount(mT(iDev).rec);
|
|
}
|
|
DEBUG_PRINT(("Debug: MTL mount failed.\n"));
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* Attach MTL-specific record to 'tl'. This record will be passed
|
|
* as the first arguement to all TL calls.
|
|
*/
|
|
|
|
tl->rec = &mvol;
|
|
|
|
/* Fill in the TL access methods */
|
|
|
|
tl->mapSector = mtlMapSector;
|
|
tl->writeSector = mtlWriteSector;
|
|
tl->deleteSector = mtlDeleteSector;
|
|
|
|
#if defined(DEFRAGMENT_VOLUME) || defined(SINGLE_BUFFER)
|
|
#ifdef ENVIRONMENT_VARS
|
|
if (flMTLdefragMode == FL_MTL_DEFRAGMENT_SEQUANTIAL)
|
|
{
|
|
tl->defragment = mtlDefragmentAlt;
|
|
}
|
|
else
|
|
#endif /* ENVIRONMENT_VARS */
|
|
{
|
|
tl->defragment = mtlDefragment;
|
|
}
|
|
#endif
|
|
|
|
tl->sectorsInVolume = mtlSectorsInVolume;
|
|
tl->getTLInfo = mtlInfo;
|
|
tl->tlSetBusy = mtlSetBusy;
|
|
tl->dismount = mtlUnmount;
|
|
tl->readBBT = NULL /*mtlReadBBT*/;
|
|
|
|
/*
|
|
* The following methods are not supported by NFTL, and have already
|
|
* been set to NULL by flMount(). We just confirm this here.
|
|
*/
|
|
|
|
tl->writeMultiSector = NULL;
|
|
tl->readSectors = NULL;
|
|
tl->recommendedClusterInfo = NULL;
|
|
|
|
/* Fake the no of volume exported by TrueFFS */
|
|
mvol.noOfDrives = noOfDrives;
|
|
noOfDrives = 1;
|
|
|
|
|
|
DEBUG_PRINT(("Debug: MTL mount succeeded.\n"));
|
|
|
|
return status;
|
|
}
|
|
|
|
#ifdef FORMAT_VOLUME
|
|
|
|
/* -------------------------------------------------------------------------- *
|
|
* *
|
|
* m t l P r o g r e s s C a l l B a c k *
|
|
* *
|
|
* Extends the given format routine to report the full media size. *
|
|
* *
|
|
* Parameters : *
|
|
* *
|
|
* totalUnitsToFormat : total units needed to format *
|
|
* totalUnitsFormattedSoFar : unit formated so far. *
|
|
* *
|
|
* Notes *
|
|
* *
|
|
* 1) arguments 0 and 0 initializes the total unit counter to 0. *
|
|
* 2) arguments -1 and -1 indicates the ending of the last device. *
|
|
* * *
|
|
* Returns : *
|
|
* *
|
|
* flOK on success, otherwise respective error code. *
|
|
* -------------------------------------------------------------------------- */
|
|
|
|
static FLStatus mtlProgressCallback(word totalUnitsToFormat,
|
|
word totalUnitsFormattedSoFar)
|
|
{
|
|
static int lastTotal;
|
|
static int lastDevice;
|
|
|
|
/* Initialize lastTotal counter */
|
|
if ((totalUnitsToFormat == 0) && (totalUnitsFormattedSoFar == 0))
|
|
{
|
|
lastTotal = 0;
|
|
lastDevice = 0;
|
|
return flOK;
|
|
}
|
|
|
|
/* Indicate a new device is being formated */
|
|
if ((totalUnitsToFormat == 0) && (totalUnitsFormattedSoFar == 0xffff))
|
|
{
|
|
lastTotal += lastDevice;
|
|
return flOK;
|
|
}
|
|
|
|
/* Call original call back routine */
|
|
lastDevice = totalUnitsToFormat;
|
|
if (globalProgressCallback == NULL)
|
|
{
|
|
return flOK;
|
|
}
|
|
else
|
|
{
|
|
return globalProgressCallback((word)(lastTotal + totalUnitsToFormat),
|
|
(word)(lastTotal + totalUnitsFormattedSoFar));
|
|
}
|
|
}
|
|
|
|
|
|
/* -------------------------------------------------------------------------- *
|
|
* *
|
|
* m t l F o r m a t *
|
|
* *
|
|
* TL's standard volume mount routine. *
|
|
* *
|
|
* Parameters : *
|
|
* *
|
|
* volNo : volume #, must be zero *
|
|
* formatParams : pointer to the structure containing format *
|
|
* parameters *
|
|
* flash : MTD attached to the 1st underlaying physical *
|
|
* device *
|
|
* *
|
|
* Returns : *
|
|
* *
|
|
* flOK on success, otherwise respective error code. *
|
|
* *
|
|
* -------------------------------------------------------------------------- *
|
|
* *
|
|
* NOTE. Binary area has 2 possible options: *
|
|
* *
|
|
* - TL_LEAVE_BINARY_AREA is set - binary area is left for all devices *
|
|
* - TL_LEAVE_BINARY_AREA is off - binary area is placed only on the *
|
|
* device #0 *
|
|
* *
|
|
* Handling of 'formatParams.progressCallback' should be improved. *
|
|
* *
|
|
* -------------------------------------------------------------------------- */
|
|
|
|
static FLStatus mtlFormat (unsigned volNo, TLFormatParams* formatParams,
|
|
FLFlash *flash)
|
|
{
|
|
FLFlash tmpFlash;
|
|
FLSocket *socket;
|
|
FLStatus status = flUnknownMedia;
|
|
int iTL, iDev;
|
|
|
|
/* arg sanity check */
|
|
|
|
if (volNo != ((unsigned) 0)) {
|
|
DEBUG_PRINT(("Debug: can't format, MTL socket # is not zero.\n"));
|
|
return flBadParameter;
|
|
}
|
|
if (formatParams->noOfBDTLPartitions > 1){
|
|
DEBUG_PRINT(("Debug: can't format, MTL with more then 1 BDTL volume.\n"));
|
|
return flBadParameter;
|
|
}
|
|
|
|
if (formatParams->flags & TL_SINGLE_FLOOR_FORMATTING){
|
|
DEBUG_PRINT(("Debug: can't format, MTL does not support single floor formatting.\n"));
|
|
return flBadParameter;
|
|
}
|
|
|
|
/* Initialize the progress call back routine to indicate the agregated
|
|
* size. The actual routine is saved and mtl routine is used.
|
|
*/
|
|
|
|
globalProgressCallback = formatParams->progressCallback;
|
|
formatParams->progressCallback = mtlProgressCallback; /* Set new routine */
|
|
mtlProgressCallback(0,0); /* Initialize new format operation */
|
|
|
|
|
|
/*
|
|
* Format device #0. Routine flIdentifyFlash() has already been called
|
|
* for this device (see arguement 'flash'). Try all TLs registered
|
|
* in tlTable[]. Assume MTL is in tlTable[0], so skip it. Skip all the
|
|
* TL filters as well.
|
|
*/
|
|
|
|
for (iTL = 1; (iTL < mvol.noOfTLs) && (status == flUnknownMedia); iTL++) {
|
|
if (tlTable[iTL].formatRoutine == NULL) /* TL filter */
|
|
continue;
|
|
status = tlTable[iTL].formatRoutine(0, formatParams, flash);
|
|
}
|
|
if (status != flOK) {
|
|
DEBUG_PRINT(("Debug: no TL recognized device #0, MTL format aborted.\n"));
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* Put all 'bootImageLen' and 'exbLen' to the 1st physical device unless
|
|
* TL_LEAVE_BINARY_AREA is specified (which means to keep bootimage area
|
|
* size as is.
|
|
*/
|
|
|
|
if (!(formatParams->flags & TL_LEAVE_BINARY_AREA))
|
|
{
|
|
formatParams->bootImageLen = (long) 0;
|
|
#ifdef WRITE_EXB_IMAGE
|
|
formatParams->exbLen = 0;
|
|
#endif /* WRITE_EXB_IMAGE */
|
|
formatParams->noOfBinaryPartitions = 0;
|
|
}
|
|
|
|
/*
|
|
* Do flash recognition and format for devices #1 .. (mvol.noOfSockets - 1).
|
|
* First call flIdentifyFlash() to find MTD, then try all TLs registered
|
|
* in tlTable[]. Assume MTL is in tlTable[0], so skip it. Skip all the
|
|
* TL filters as well.
|
|
*/
|
|
|
|
for (iDev = 1; iDev < noOfSockets; iDev++) {
|
|
|
|
socket = flSocketOf (iDev);
|
|
|
|
status = flIdentifyFlash (socket, &tmpFlash);
|
|
if ((status != flOK) && (status != flUnknownMedia)) {
|
|
DEBUG_PRINT(("Debug: no MTD recognized the device, MTL format aborted.\n"));
|
|
return status;
|
|
}
|
|
mtlProgressCallback(0,0xffff); /* Initialize new device is being formated */
|
|
status = flUnknownMedia;
|
|
for (iTL = 1; (iTL < mvol.noOfTLs) && (status == flUnknownMedia); iTL++)
|
|
{
|
|
if (tlTable[iTL].formatRoutine == NULL) /* TL filter */
|
|
continue;
|
|
status = tlTable[iTL].formatRoutine (iDev, formatParams, &tmpFlash);
|
|
}
|
|
if (status != flOK)
|
|
{
|
|
DEBUG_PRINT(("Debug: no TL recognized the device, MTL format aborted.\n"));
|
|
return status;
|
|
}
|
|
} /* for(iDev) */
|
|
|
|
DEBUG_PRINT(("Debug: MTL format succeeded.\n"));
|
|
|
|
return flOK;
|
|
}
|
|
|
|
#endif /* FORMAT_VOLUME */
|
|
|
|
|
|
/* -------------------------------------------------------------------------- *
|
|
* *
|
|
* f l m t l U n i n s t a l l *
|
|
* *
|
|
* Removes MTL from the TL table. *
|
|
* *
|
|
* Note: Must be called after the medium was dismounted. *
|
|
* *
|
|
* Parameters : *
|
|
* *
|
|
* none *
|
|
* *
|
|
* Returns : *
|
|
* *
|
|
* flOK on success, otherwise respective error code. *
|
|
* *
|
|
* -------------------------------------------------------------------------- */
|
|
|
|
FLStatus flmtlUninstall (void)
|
|
{
|
|
int iTL;
|
|
|
|
if (noOfTLs > 0)
|
|
{
|
|
/* search for MTL in tlTable[] */
|
|
|
|
for (iTL = 0; iTL < mvol.noOfTLs; iTL++)
|
|
{
|
|
if (tlTable[iTL].mountRoutine == mtlMount)
|
|
break;
|
|
}
|
|
|
|
if (iTL < mvol.noOfTLs)
|
|
{
|
|
|
|
/* MTL is found in tlTable[iTL], so remove it */
|
|
|
|
for (; iTL < (mvol.noOfTLs - 1); iTL ++)
|
|
{
|
|
tlTable[iTL].mountRoutine = tlTable[iTL + 1].mountRoutine;
|
|
tlTable[iTL].formatRoutine = tlTable[iTL + 1].formatRoutine;
|
|
}
|
|
|
|
tlTable[mvol.noOfTLs - 1].mountRoutine = NULL;
|
|
tlTable[mvol.noOfTLs - 1].formatRoutine = NULL;
|
|
tlTable[mvol.noOfTLs - 1].preMountRoutine = NULL;
|
|
|
|
noOfTLs = mvol.noOfTLs - 1;
|
|
noOfDrives = mvol.noOfDrives;
|
|
}
|
|
}
|
|
|
|
return flOK;
|
|
}
|
|
|
|
|
|
/* -------------------------------------------------------------------------- *
|
|
* *
|
|
* f l m t l I n s t a l l *
|
|
* *
|
|
* If MTL is found in TL table, it is moved into 1st slot (i.e. effectively *
|
|
* enabled). If MTL isn't found in TL table, it is installed into 1st slot. *
|
|
* The TL does not increament the number of TL (noOfTLs) global variable, *
|
|
* but changes it to 1, therfore reporting it as the only registered TL. *
|
|
* *
|
|
* Note : The install routine should be the last TL to be regitered. *
|
|
* *
|
|
* Parameters : *
|
|
* *
|
|
* none *
|
|
* *
|
|
* Returns : *
|
|
* *
|
|
* flOK on success, otherwise respective error code. *
|
|
* *
|
|
* -------------------------------------------------------------------------- */
|
|
|
|
FLStatus flmtlInstall (void)
|
|
{
|
|
int iTL;
|
|
|
|
if (noOfTLs > 0)
|
|
{
|
|
checkStatus( flmtlUninstall() ); /* Dismount previous MTL if exists */
|
|
|
|
/* Save number of registered TLs and number of volumes */
|
|
|
|
mvol.noOfTLs = noOfTLs;
|
|
mvol.noOfDrives = noOfDrives;
|
|
|
|
/* search for MTL in tlTable[] */
|
|
|
|
for (iTL = 0; iTL < noOfTLs; iTL++)
|
|
{
|
|
if (tlTable[iTL].mountRoutine == mtlMount)
|
|
break;
|
|
}
|
|
|
|
if (iTL >= noOfTLs) /* MTL is not found in tlTable[iTL] */
|
|
{
|
|
/* MTL isn't in tlTable[], we will be adding it */
|
|
|
|
if (noOfTLs >= TLS)
|
|
{
|
|
DEBUG_PRINT(("Debug: can't install MTL, too many TLs.\n"));
|
|
return flTooManyComponents;
|
|
}
|
|
iTL = noOfTLs;
|
|
mvol.noOfTLs++;
|
|
}
|
|
else
|
|
{
|
|
/* MTL is found in tlTable[iTL] */
|
|
}
|
|
|
|
/* free the 1st slot in tlTable[] for MTL */
|
|
|
|
while (iTL >= 1)
|
|
{
|
|
tlTable[iTL].mountRoutine = tlTable[iTL - 1].mountRoutine;
|
|
tlTable[iTL].formatRoutine = tlTable[iTL - 1].formatRoutine;
|
|
iTL--;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* No other TL registered so return error code */
|
|
|
|
return flMultiDocContrediction;
|
|
}
|
|
|
|
/* Make system believe that only MTL is registered */
|
|
|
|
noOfTLs = 1;
|
|
noOfDrives = 1;
|
|
|
|
/* put MTL in the 1st slot in tlTable[] */
|
|
|
|
tlTable[0].mountRoutine = mtlMount;
|
|
tlTable[0].preMountRoutine = mtlPreMount;
|
|
#ifdef FORMAT_VOLUME
|
|
tlTable[0].formatRoutine = mtlFormat;
|
|
#else
|
|
tlTable[0].formatRoutine = noFormat;
|
|
#endif
|
|
|
|
return flOK;
|
|
}
|
|
|
|
|
|
/* -------------------------------------------------------------------------- *
|
|
* *
|
|
* f l R e g i s t e r M T L *
|
|
* *
|
|
* Standard TL's component registration routine. *
|
|
* *
|
|
* Parameters : *
|
|
* *
|
|
* none *
|
|
* *
|
|
* Returns : *
|
|
* *
|
|
* flOK on success, otherwise respective error code. *
|
|
* *
|
|
* -------------------------------------------------------------------------- */
|
|
|
|
FLStatus flRegisterMTL (void)
|
|
{
|
|
checkStatus( flmtlInstall() );
|
|
|
|
return flOK;
|
|
}
|
|
|
|
/* Physical routines are not a part of TrueFFS code */
|
|
|
|
#if 0
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/* -------------------------------------------------------------------------- *
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* *
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* m t l R e a d B B T *
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* *
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* TL's standard 'read bad blocks table' routine. *
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* *
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* Parameters : *
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* *
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* pvol : Pointer identifying drive *
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* buf : Pointer to user buffer to read BB info to *
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* *
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* Returns : *
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* *
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* flOK on success, otherwise respective error code. *
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* mediaSize : Size of the formated media *
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* noOfBB : Total number of bad blocks read *
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* *
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* -------------------------------------------------------------------------- */
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static FLStatus mtlReadBBT (MTL *pvol, byte FAR1 * buf,
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long FAR2 * mediaSize, unsigned FAR2 * noOfBB)
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{
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CardAddress addressShift=0;
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long bufOffset = 0;
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unsigned tmpCounter;
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long tmpMediaSize;
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byte iDev;
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/* check 'pvol' for sanity */
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if (pvol != &mvol)
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return flBadDriveHandle;
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/* Read bbt of each device while incrementing the address simulating a
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* big physical device */
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*mediaSize = 0;
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*noOfBB = 0;
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for (iDev = 0; iDev < noOfSockets; iDev++)
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{
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checkStatus(mpT(pvol,iDev).readBBT(mpT(pvol,iDev).rec,
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(byte FAR1 *)flAddLongToFarPointer(buf,bufOffset),
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&tmpMediaSize,&tmpCounter));
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*noOfBB += tmpCounter; /* Global BB counter */
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for (;tmpCounter>0;tmpCounter--,bufOffset+=sizeof(CardAddress))
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{
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*((CardAddress *)(buf + bufOffset)) += addressShift;
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}
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addressShift += mP(iDev);
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*mediaSize += tmpMediaSize;
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}
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return flOK;
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}
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/* -------------------------------------------------------------------------- *
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* *
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* m t l W r i t e B B T *
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* *
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* TL's write Bad Blocks Table routine. *
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* *
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* Parameters : *
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* *
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* ioreq : pointer to the structure containing i\o fields *
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* *
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* Returns : *
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* *
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* flOK on success, otherwise respective error code. *
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* *
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* -------------------------------------------------------------------------- */
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static FLStatus mtlWriteBBT(IOreq FAR2* ioreq)
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{
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FLSocket *socket;
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FLStatus status;
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FLFlash tmpFlash;
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CardAddress endUnit;
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CardAddress lastDriveAddress;
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CardAddress nextDriveAddress = 0;
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CardAddress iUnit;
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CardAddress bUnit;
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CardAddress endAddress;
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byte iDev;
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word badBlockNo=0;
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byte zeroes[2] = {0,0};
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/* Initlize last erase address according to argument */
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tffsset(&endAddress,0xff,sizeof(CardAddress));
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if (ioreq->irLength == 0)
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{
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tffsset(&endAddress,0xff,sizeof(CardAddress));
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}
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else
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{
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endAddress = ioreq->irLength;
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}
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/*
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* Do flash recognition while storing physical size of devices
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* #0 .. (mvol.noOfSockets - 1). First call flIdentifyFlash() to find
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* MTD, then erase the media while marking bad blocks. Note that the
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* addresses are physical addresses of the virtual multi-doc. The address
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* should be subtructed by the physical size of the previous devices.
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*/
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for (iDev = 0; iDev < noOfSockets; iDev++)
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{
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socket = flSocketOf (iDev);
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/* Identify */
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status = flIdentifyFlash (socket, &tmpFlash);
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if ((status != flOK) && (status != flUnknownMedia))
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{
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DEBUG_PRINT(("Debug: no MTD recognized the device, MTL writeBBT aborted.\n"));
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return status;
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}
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/* Initialize new drive boundry variables */
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mP(iDev) = (dword)(tmpFlash.chipSize * tmpFlash.noOfChips);
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lastDriveAddress = nextDriveAddress;
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nextDriveAddress += mP(iDev);
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endUnit = mP(iDev) >> tmpFlash.erasableBlockSizeBits;
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bUnit = ((*((CardAddress FAR1 *)flAddLongToFarPointer
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(ioreq->irData,badBlockNo*sizeof(CardAddress)))) -
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lastDriveAddress) >> tmpFlash.erasableBlockSizeBits;
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/* Erase entire media */
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for (iUnit = 0 ,badBlockNo = 0; iUnit < endUnit ; iUnit++)
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{
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if ((iUnit << tmpFlash.erasableBlockSizeBits) + lastDriveAddress >= endAddress)
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return flOK;
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tmpFlash.erase(&tmpFlash,iUnit,1);
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if (ioreq->irFlags > badBlockNo)
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{
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if (bUnit == iUnit)
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{
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tmpFlash.write(&tmpFlash,bUnit <<
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tmpFlash.erasableBlockSizeBits,zeroes,2,0);
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badBlockNo++;
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bUnit = ((*((CardAddress FAR1 *)flAddLongToFarPointer
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(ioreq->irData,badBlockNo*sizeof(CardAddress)))) -
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lastDriveAddress) >> tmpFlash.erasableBlockSizeBits;
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}
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}
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}
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}
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return flOK;
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}
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#endif /* 0 */
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