NetBSD-5.0.2/sys/dev/raidframe/rf_evenodd.h

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/*	$NetBSD: rf_evenodd.h,v 1.6 2006/04/26 17:08:48 oster Exp $	*/
/*
 * Copyright (c) 1995, 1996 Carnegie-Mellon University.
 * All rights reserved.
 *
 * Author: Chang-Ming Wu
 *
 * Permission to use, copy, modify and distribute this software and
 * its documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 *
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 *
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie the
 * rights to redistribute these changes.
 */

#ifndef _RF__RF_EVENODD_H_
#define _RF__RF_EVENODD_H_

/* extern declerations of the failure mode  functions.  */
int
rf_ConfigureEvenOdd(RF_ShutdownList_t ** shutdownListp, RF_Raid_t * raidPtr,
    RF_Config_t * cfgPtr);
int     rf_GetDefaultNumFloatingReconBuffersEvenOdd(RF_Raid_t * raidPtr);
RF_HeadSepLimit_t rf_GetDefaultHeadSepLimitEvenOdd(RF_Raid_t * raidPtr);
void
rf_IdentifyStripeEvenOdd(RF_Raid_t * raidPtr, RF_RaidAddr_t addr,
    RF_RowCol_t ** diskids);
void
rf_MapParityEvenOdd(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
    RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
void
rf_MapEEvenOdd(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
    RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
void
rf_EODagSelect(RF_Raid_t * raidPtr, RF_IoType_t type,
    RF_AccessStripeMap_t * asmap, RF_VoidFuncPtr * createFunc);
int
rf_VerifyParityEvenOdd(RF_Raid_t * raidPtr, RF_RaidAddr_t raidAddr,
    RF_PhysDiskAddr_t * parityPDA, int correct_it, RF_RaidAccessFlags_t flags);

#endif				/* !_RF__RF_EVENODD_H_ */