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/* $OpenBSD: rf_map.h,v 1.2 1999/02/16 00:02:56 niklas Exp $ */
/* $NetBSD: rf_map.h,v 1.3 1999/02/05 00:06:12 oster Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Mark Holland
*
* 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.
*/
/* rf_map.h */
#ifndef _RF__RF_MAP_H_
#define _RF__RF_MAP_H_
#include "rf_types.h"
#include "rf_alloclist.h"
#include "rf_raid.h"
/* mapping structure allocation and free routines */
RF_AccessStripeMapHeader_t *
rf_MapAccess(RF_Raid_t * raidPtr,
RF_RaidAddr_t raidAddress, RF_SectorCount_t numBlocks,
caddr_t buffer, int remap);
void
rf_MarkFailuresInASMList(RF_Raid_t * raidPtr,
RF_AccessStripeMapHeader_t * asm_h);
RF_AccessStripeMap_t *rf_DuplicateASM(RF_AccessStripeMap_t * asmap);
RF_PhysDiskAddr_t *rf_DuplicatePDA(RF_PhysDiskAddr_t * pda);
int rf_ConfigureMapModule(RF_ShutdownList_t ** listp);
RF_AccessStripeMapHeader_t *rf_AllocAccessStripeMapHeader(void);
void rf_FreeAccessStripeMapHeader(RF_AccessStripeMapHeader_t * p);
RF_PhysDiskAddr_t *rf_AllocPhysDiskAddr(void);
RF_PhysDiskAddr_t *rf_AllocPDAList(int count);
void rf_FreePhysDiskAddr(RF_PhysDiskAddr_t * p);
RF_AccessStripeMap_t *rf_AllocAccessStripeMapComponent(void);
RF_AccessStripeMap_t *rf_AllocASMList(int count);
void rf_FreeAccessStripeMapComponent(RF_AccessStripeMap_t * p);
void rf_FreeAccessStripeMap(RF_AccessStripeMapHeader_t * hdr);
int rf_CheckStripeForFailures(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap);
int rf_NumFailedDataUnitsInStripe(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap);
void rf_PrintAccessStripeMap(RF_AccessStripeMapHeader_t * asm_h);
void rf_PrintFullAccessStripeMap(RF_AccessStripeMapHeader_t * asm_h, int prbuf);
void
rf_PrintRaidAddressInfo(RF_Raid_t * raidPtr, RF_RaidAddr_t raidAddr,
RF_SectorCount_t numBlocks);
void
rf_ASMParityAdjust(RF_PhysDiskAddr_t * toAdjust,
RF_StripeNum_t startAddrWithinStripe, RF_SectorNum_t endAddress,
RF_RaidLayout_t * layoutPtr, RF_AccessStripeMap_t * asm_p);
void
rf_ASMCheckStatus(RF_Raid_t * raidPtr, RF_PhysDiskAddr_t * pda_p,
RF_AccessStripeMap_t * asm_p, RF_RaidDisk_t ** disks, int parity);
#endif /* !_RF__RF_MAP_H_ */
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