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      1 /*	$NetBSD: rf_map.h,v 1.14 2021/07/23 00:54:45 oster 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 (at) 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 **, RF_Raid_t *, RF_Config_t *);
     44 RF_AccessStripeMapHeader_t *rf_AllocAccessStripeMapHeader(RF_Raid_t *);
     45 void rf_FreeAccessStripeMapHeader(RF_Raid_t *, RF_AccessStripeMapHeader_t *);
     46 RF_PhysDiskAddr_t *rf_AllocPhysDiskAddr(RF_Raid_t *);
     47 RF_PhysDiskAddr_t *rf_AllocPDAList(RF_Raid_t *, int);
     48 void rf_FreePhysDiskAddr(RF_Raid_t *, RF_PhysDiskAddr_t *);
     49 RF_AccessStripeMap_t *rf_AllocASMList(RF_Raid_t *, int);
     50 void rf_FreeAccessStripeMap(RF_Raid_t *, 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_Raid_t *, 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(RF_Raid_t *);
     62 void rf_FreeVFPListElem(RF_Raid_t *, RF_VoidFunctionPointerListElem_t *);
     63 RF_VoidPointerListElem_t *rf_AllocVPListElem(RF_Raid_t *);
     64 void rf_FreeVPListElem(RF_Raid_t *, RF_VoidPointerListElem_t *);
     65 RF_ASMHeaderListElem_t *rf_AllocASMHeaderListElem(RF_Raid_t *);
     66 void rf_FreeASMHeaderListElem(RF_Raid_t *, RF_ASMHeaderListElem_t *);
     67 RF_FailedStripe_t *rf_AllocFailedStripeStruct(RF_Raid_t *);
     68 void rf_FreeFailedStripeStruct(RF_Raid_t *, RF_FailedStripe_t *);
     69 
     70 #endif				/* !_RF__RF_MAP_H_ */
     71