root/dev/raidframe/rf_map.h

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INCLUDED FROM

    1 /*      $OpenBSD: rf_map.h,v 1.3 2002/12/16 07:01:04 tdeval Exp $       */
    2 /*      $NetBSD: rf_map.h,v 1.3 1999/02/05 00:06:12 oster Exp $ */
    3 
    4 /*
    5  * Copyright (c) 1995 Carnegie-Mellon University.
    6  * All rights reserved.
    7  *
    8  * Author: Mark Holland
    9  *
   10  * Permission to use, copy, modify and distribute this software and
   11  * its documentation is hereby granted, provided that both the copyright
   12  * notice and this permission notice appear in all copies of the
   13  * software, derivative works or modified versions, and any portions
   14  * thereof, and that both notices appear in supporting documentation.
   15  *
   16  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   17  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
   18  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   19  *
   20  * Carnegie Mellon requests users of this software to return to
   21  *
   22  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   23  *  School of Computer Science
   24  *  Carnegie Mellon University
   25  *  Pittsburgh PA 15213-3890
   26  *
   27  * any improvements or extensions that they make and grant Carnegie the
   28  * rights to redistribute these changes.
   29  */
   30 
   31 /* rf_map.h */
   32 
   33 #ifndef _RF__RF_MAP_H_
   34 #define _RF__RF_MAP_H_
   35 
   36 #include "rf_types.h"
   37 #include "rf_alloclist.h"
   38 #include "rf_raid.h"
   39 
   40 /* Mapping structure allocation and free routines. */
   41 RF_AccessStripeMapHeader_t *rf_MapAccess(RF_Raid_t *, RF_RaidAddr_t,
   42         RF_SectorCount_t, caddr_t, int);
   43 
   44 void rf_MarkFailuresInASMList(RF_Raid_t *, RF_AccessStripeMapHeader_t *);
   45 
   46 RF_AccessStripeMap_t *rf_DuplicateASM(RF_AccessStripeMap_t *);
   47 
   48 RF_PhysDiskAddr_t *rf_DuplicatePDA(RF_PhysDiskAddr_t *);
   49 
   50 int  rf_ConfigureMapModule(RF_ShutdownList_t **);
   51 
   52 RF_AccessStripeMapHeader_t *rf_AllocAccessStripeMapHeader(void);
   53 
   54 void rf_FreeAccessStripeMapHeader(RF_AccessStripeMapHeader_t *);
   55 
   56 RF_PhysDiskAddr_t *rf_AllocPhysDiskAddr(void);
   57 
   58 RF_PhysDiskAddr_t *rf_AllocPDAList(int);
   59 
   60 void rf_FreePhysDiskAddr(RF_PhysDiskAddr_t *);
   61 
   62 RF_AccessStripeMap_t *rf_AllocAccessStripeMapComponent(void);
   63 
   64 RF_AccessStripeMap_t *rf_AllocASMList(int);
   65 
   66 void rf_FreeAccessStripeMapComponent(RF_AccessStripeMap_t *);
   67 
   68 void rf_FreeAccessStripeMap(RF_AccessStripeMapHeader_t *);
   69 
   70 int  rf_CheckStripeForFailures(RF_Raid_t *, RF_AccessStripeMap_t *);
   71 
   72 int  rf_NumFailedDataUnitsInStripe(RF_Raid_t *, RF_AccessStripeMap_t *);
   73 
   74 void rf_PrintAccessStripeMap(RF_AccessStripeMapHeader_t *);
   75 
   76 void rf_PrintFullAccessStripeMap(RF_AccessStripeMapHeader_t *, int);
   77 
   78 void rf_PrintRaidAddressInfo(RF_Raid_t *, RF_RaidAddr_t, RF_SectorCount_t);
   79 
   80 void rf_ASMParityAdjust(RF_PhysDiskAddr_t *, RF_StripeNum_t, RF_SectorNum_t,
   81         RF_RaidLayout_t *, RF_AccessStripeMap_t *);
   82 
   83 void rf_ASMCheckStatus(RF_Raid_t *, RF_PhysDiskAddr_t *,
   84         RF_AccessStripeMap_t *, RF_RaidDisk_t **, int);
   85 
   86 #endif  /* !_RF__RF_MAP_H_ */
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