dochstub.c

H3 M-system NAND flash driver in Linux OS, M-DOC driver

/******************************************************************************
 *                                                                            *
 * Project: DOC Driver for Linux 2.4 Block device driver for mDOC H3  family  *
 * of devices under Linux kernel 2.4.                                         *
 *                                                                            *
 *   Version: 1.0                                                             *
 *   Email questions to: [e-mail]                               *
 *   Copyright (C) SanDisk IL Ltd. 1995 - 2007                                *
 *   SanDisk IL Ltd., 7 Atir Yeda Street, Kfar Saba 44425, Israel             *
 *                                                                            *
 ******************************************************************************
 *                                                                            *
 * This program is free software; you can redistribute it and/or modify it    *
 * under the terms of the GNU General Public License as published by the Free *
 * Software Foundation; either version 2 of the License, or any later version.*
 * This program is distributed in the hope that it will be useful, but WITHOUT*
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or      *
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for  *
 * more details, which is set forth in the readme.txt file.                   *
 * You should have received a copy of the GNU General Public License along    *
 * with this program; if not, write to the Free Software Foundation, Inc., 51 *
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA                    *
 *                                                                            *
 * This License does not grant you any right to use the trademarks, service   *
 * marks or logos of SanDisk IL Ltd. or SanDisk Corporation.                  *
 * Subject to the foregoing, SanDisk IL Ltd., for itself and on behalf of its *
 * licensors, hereby reserves all intellectual property rights in the program,*
 * except for the rights expressly granted in this License.                   *
 *                                                                            *
 ******************************************************************************/

/*This file holds necessary routines for integrating sureFS over DOCH SDK*/

/*
 * $Log:   V:/PVCSDB/DiskOnChip/archives/version 7.0/TrueFFS FS/src/h3/dochstub.c-arc  $
 * 
 *    Rev 1.11   Sep 11 2006 13:45:16   yaniv.iarovici
 * Legal header added
 * 
 *    Rev 1.10   Aug 09 2006 17:26:54   Polina.Marimont
 * initial for DOC Driver 1.0
 * 
 *    Rev 1.9.1.0   Aug 08 2006 15:55:26   Polina.Marimont
 * DOC Driver 1.0 initial
 */

#include "flbase.h"
#include "flstruct.h"
#ifdef FL_MIGRATION_VERSION
#include "bddefs.h"
#else /*FL_MIGRATION_VERSION*/
#include "fsdefs.h"
#endif /*FL_MIGRATION_VERSION*/
#include "dochtl.h"
#include "doch_sys.h"
#include "doch_api.h"


FLMutex busy[DOCH_MAX_SOCKETS];
FLBoolean dochStubInitialized = 0;
/*===========================*/

FLStatus dochSetBusy(FLByte socket, FLBoolean state, FLByte  partition)
{
	FLStatus status = flOK;

	if (state == FL_ON) /* Set busy to ON */
	{
		if (!flTakeMutex(&busy[socket]))
		{
		   DBG_PRINT_FLOW_PRM(FLZONE_ATA, (FLTXT("\r\ndochSetMutex Failed to set mutex\r\n")));
		   return flDriveNotAvailable;
		}
	}
	else  /* Set busy to OFF */
	{
		flFreeMutex(&busy[socket]);
	}

	return status;
}

void setTL(FLByte socket, FLByte partition, TL * tl)  
{
    FLNative i;
    if (dochStubInitialized != TRUE)
    {
        dochStubInitialized = TRUE;
        for (i = 0; i < DOCH_MAX_SOCKETS ; i ++)
            flCreateMutex(&busy[i]);
    }
	getDochTL(tl, partition);    
}

#ifndef FL_MIGRATION_VERSION

/* ----------------------------------------------------------------------------------- */
FLStatus lockForIO(FLByte socket, FLByte partition, FLBoolean onOff)  {

checkStatus(dochSetBusy(socket, onOff, partition)); /* take BD mutex */

return flOK;
}
#endif /*FL_MIGRATION_VERSION*/
/* ----------------------------------------------------------------------------------- */