sys/dev/raidframe/rf_map.h

   1 /*      $NetBSD: rf_map.h,v 1.12 2005/12/11 12:23:37 christos Exp $     */
   2 /*
   3  * Copyright (c) 1995 Carnegie-Mellon University.
   4  * All rights reserved.
   5  *
   6  * Author: Mark Holland
   7  *
   8  * Permission to use, copy, modify and distribute this software and
   9  * its documentation is hereby granted, provided that both the copyright
  10  * notice and this permission notice appear in all copies of the
  11  * software, derivative works or modified versions, and any portions
  12  * thereof, and that both notices appear in supporting documentation.
  13  *
  14  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  15  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
  16  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  17  *
  18  * Carnegie Mellon requests users of this software to return to
  19  *
  20  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  21  *  School of Computer Science
  22  *  Carnegie Mellon University
  23  *  Pittsburgh PA 15213-3890
  24  *
  25  * any improvements or extensions that they make and grant Carnegie the
  26  * rights to redistribute these changes.
  27  */
  28
  29 /* rf_map.h */
  30
  31 #ifndef _RF__RF_MAP_H_
  32 #define _RF__RF_MAP_H_
  33
  34 #include <dev/raidframe/raidframevar.h>
  35
  36 #include "rf_alloclist.h"
  37 #include "rf_raid.h"
  38
  39 /* mapping structure allocation and free routines */
  40 RF_AccessStripeMapHeader_t *rf_MapAccess(RF_Raid_t *, RF_RaidAddr_t,
  41                                          RF_SectorCount_t, void *, int);
  42 void rf_MarkFailuresInASMList(RF_Raid_t *, RF_AccessStripeMapHeader_t *);
  43 int rf_ConfigureMapModule(RF_ShutdownList_t **);
  44 RF_AccessStripeMapHeader_t *rf_AllocAccessStripeMapHeader(void);
  45 void rf_FreeAccessStripeMapHeader(RF_AccessStripeMapHeader_t *);
  46 RF_PhysDiskAddr_t *rf_AllocPhysDiskAddr(void);
  47 RF_PhysDiskAddr_t *rf_AllocPDAList(int);
  48 void rf_FreePhysDiskAddr(RF_PhysDiskAddr_t *);
  49 RF_AccessStripeMap_t *rf_AllocASMList(int);
  50 void rf_FreeAccessStripeMap(RF_AccessStripeMapHeader_t *);
  51 int rf_CheckStripeForFailures(RF_Raid_t *, RF_AccessStripeMap_t *);
  52 int rf_NumFailedDataUnitsInStripe(RF_Raid_t *, RF_AccessStripeMap_t *);
  53 void rf_PrintAccessStripeMap(RF_AccessStripeMapHeader_t *);
  54 void rf_PrintFullAccessStripeMap(RF_AccessStripeMapHeader_t *, int);
  55 void rf_PrintRaidAddressInfo(RF_Raid_t *, RF_RaidAddr_t, RF_SectorCount_t);
  56 void rf_ASMParityAdjust(RF_PhysDiskAddr_t *, RF_StripeNum_t, RF_SectorNum_t,
  57                         RF_RaidLayout_t *, RF_AccessStripeMap_t *);
  58 void rf_ASMCheckStatus(RF_Raid_t *, RF_PhysDiskAddr_t *, RF_AccessStripeMap_t *,
  59                        RF_RaidDisk_t *, int);
  60
  61 RF_VoidFunctionPointerListElem_t *rf_AllocVFPListElem(void);
  62 void rf_FreeVFPListElem(RF_VoidFunctionPointerListElem_t *);
  63 RF_VoidPointerListElem_t *rf_AllocVPListElem(void);
  64 void rf_FreeVPListElem(RF_VoidPointerListElem_t *);
  65 RF_ASMHeaderListElem_t *rf_AllocASMHeaderListElem(void);
  66 void rf_FreeASMHeaderListElem(RF_ASMHeaderListElem_t *);
  67 RF_FailedStripe_t *rf_AllocFailedStripeStruct(void);
  68 void rf_FreeFailedStripeStruct(RF_FailedStripe_t *);
  69
  70 #endif                          /* !_RF__RF_MAP_H_ */