1 /* $NetBSD: rf_map.h,v 1.3 1999/02/05 00:06:12 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@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 "rf_types.h" 35 #include "rf_alloclist.h" 36 #include "rf_raid.h" 37 38 /* mapping structure allocation and free routines */ 39 RF_AccessStripeMapHeader_t * 40 rf_MapAccess(RF_Raid_t * raidPtr, 41 RF_RaidAddr_t raidAddress, RF_SectorCount_t numBlocks, 42 caddr_t buffer, int remap); 43 44 void 45 rf_MarkFailuresInASMList(RF_Raid_t * raidPtr, 46 RF_AccessStripeMapHeader_t * asm_h); 47 48 RF_AccessStripeMap_t *rf_DuplicateASM(RF_AccessStripeMap_t * asmap); 49 50 RF_PhysDiskAddr_t *rf_DuplicatePDA(RF_PhysDiskAddr_t * pda); 51 52 int rf_ConfigureMapModule(RF_ShutdownList_t ** listp); 53 54 RF_AccessStripeMapHeader_t *rf_AllocAccessStripeMapHeader(void); 55 56 void rf_FreeAccessStripeMapHeader(RF_AccessStripeMapHeader_t * p); 57 58 RF_PhysDiskAddr_t *rf_AllocPhysDiskAddr(void); 59 60 RF_PhysDiskAddr_t *rf_AllocPDAList(int count); 61 62 void rf_FreePhysDiskAddr(RF_PhysDiskAddr_t * p); 63 64 RF_AccessStripeMap_t *rf_AllocAccessStripeMapComponent(void); 65 66 RF_AccessStripeMap_t *rf_AllocASMList(int count); 67 68 void rf_FreeAccessStripeMapComponent(RF_AccessStripeMap_t * p); 69 70 void rf_FreeAccessStripeMap(RF_AccessStripeMapHeader_t * hdr); 71 72 int rf_CheckStripeForFailures(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap); 73 74 int rf_NumFailedDataUnitsInStripe(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap); 75 76 void rf_PrintAccessStripeMap(RF_AccessStripeMapHeader_t * asm_h); 77 78 void rf_PrintFullAccessStripeMap(RF_AccessStripeMapHeader_t * asm_h, int prbuf); 79 80 void 81 rf_PrintRaidAddressInfo(RF_Raid_t * raidPtr, RF_RaidAddr_t raidAddr, 82 RF_SectorCount_t numBlocks); 83 84 void 85 rf_ASMParityAdjust(RF_PhysDiskAddr_t * toAdjust, 86 RF_StripeNum_t startAddrWithinStripe, RF_SectorNum_t endAddress, 87 RF_RaidLayout_t * layoutPtr, RF_AccessStripeMap_t * asm_p); 88 89 void 90 rf_ASMCheckStatus(RF_Raid_t * raidPtr, RF_PhysDiskAddr_t * pda_p, 91 RF_AccessStripeMap_t * asm_p, RF_RaidDisk_t ** disks, int parity); 92 93 #endif /* !_RF__RF_MAP_H_ */ 94