95 lines
3.0 KiB
C
95 lines
3.0 KiB
C
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/* $FreeBSD$ */
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/* $NetBSD: rf_map.h,v 1.3 1999/02/05 00:06:12 oster Exp $ */
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/*
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* Copyright (c) 1995 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Mark Holland
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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/* rf_map.h */
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#ifndef _RF__RF_MAP_H_
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#define _RF__RF_MAP_H_
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#include <dev/raidframe/rf_types.h>
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#include <dev/raidframe/rf_alloclist.h>
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#include <dev/raidframe/rf_raid.h>
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/* mapping structure allocation and free routines */
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RF_AccessStripeMapHeader_t *
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rf_MapAccess(RF_Raid_t * raidPtr,
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RF_RaidAddr_t raidAddress, RF_SectorCount_t numBlocks,
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caddr_t buffer, int remap);
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void
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rf_MarkFailuresInASMList(RF_Raid_t * raidPtr,
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RF_AccessStripeMapHeader_t * asm_h);
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RF_AccessStripeMap_t *rf_DuplicateASM(RF_AccessStripeMap_t * asmap);
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RF_PhysDiskAddr_t *rf_DuplicatePDA(RF_PhysDiskAddr_t * pda);
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int rf_ConfigureMapModule(RF_ShutdownList_t ** listp);
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RF_AccessStripeMapHeader_t *rf_AllocAccessStripeMapHeader(void);
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void rf_FreeAccessStripeMapHeader(RF_AccessStripeMapHeader_t * p);
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RF_PhysDiskAddr_t *rf_AllocPhysDiskAddr(void);
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RF_PhysDiskAddr_t *rf_AllocPDAList(int count);
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void rf_FreePhysDiskAddr(RF_PhysDiskAddr_t * p);
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RF_AccessStripeMap_t *rf_AllocAccessStripeMapComponent(void);
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RF_AccessStripeMap_t *rf_AllocASMList(int count);
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void rf_FreeAccessStripeMapComponent(RF_AccessStripeMap_t * p);
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void rf_FreeAccessStripeMap(RF_AccessStripeMapHeader_t * hdr);
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int rf_CheckStripeForFailures(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap);
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int rf_NumFailedDataUnitsInStripe(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap);
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void rf_PrintAccessStripeMap(RF_AccessStripeMapHeader_t * asm_h);
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void rf_PrintFullAccessStripeMap(RF_AccessStripeMapHeader_t * asm_h, int prbuf);
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void
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rf_PrintRaidAddressInfo(RF_Raid_t * raidPtr, RF_RaidAddr_t raidAddr,
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RF_SectorCount_t numBlocks);
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void
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rf_ASMParityAdjust(RF_PhysDiskAddr_t * toAdjust,
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RF_StripeNum_t startAddrWithinStripe, RF_SectorNum_t endAddress,
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RF_RaidLayout_t * layoutPtr, RF_AccessStripeMap_t * asm_p);
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void
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rf_ASMCheckStatus(RF_Raid_t * raidPtr, RF_PhysDiskAddr_t * pda_p,
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RF_AccessStripeMap_t * asm_p, RF_RaidDisk_t ** disks, int parity);
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#endif /* !_RF__RF_MAP_H_ */
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