1 /* $NetBSD: rf_map.h,v 1.7 2002/09/21 01:14:22 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 <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 * 41 rf_MapAccess(RF_Raid_t * raidPtr, 42 RF_RaidAddr_t raidAddress, RF_SectorCount_t numBlocks, 43 caddr_t buffer, int remap); 44 45 void 46 rf_MarkFailuresInASMList(RF_Raid_t * raidPtr, 47 RF_AccessStripeMapHeader_t * asm_h); 48 49 int rf_ConfigureMapModule(RF_ShutdownList_t ** listp); 50 51 RF_AccessStripeMapHeader_t *rf_AllocAccessStripeMapHeader(void); 52 53 void rf_FreeAccessStripeMapHeader(RF_AccessStripeMapHeader_t * p); 54 55 RF_PhysDiskAddr_t *rf_AllocPhysDiskAddr(void); 56 57 RF_PhysDiskAddr_t *rf_AllocPDAList(int count); 58 59 void rf_FreePhysDiskAddr(RF_PhysDiskAddr_t * p); 60 61 RF_AccessStripeMap_t *rf_AllocASMList(int count); 62 63 void rf_FreeAccessStripeMap(RF_AccessStripeMapHeader_t * hdr); 64 65 int rf_CheckStripeForFailures(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap); 66 67 int rf_NumFailedDataUnitsInStripe(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap); 68 69 void rf_PrintAccessStripeMap(RF_AccessStripeMapHeader_t * asm_h); 70 71 void rf_PrintFullAccessStripeMap(RF_AccessStripeMapHeader_t * asm_h, int prbuf); 72 73 void 74 rf_PrintRaidAddressInfo(RF_Raid_t * raidPtr, RF_RaidAddr_t raidAddr, 75 RF_SectorCount_t numBlocks); 76 77 void 78 rf_ASMParityAdjust(RF_PhysDiskAddr_t * toAdjust, 79 RF_StripeNum_t startAddrWithinStripe, RF_SectorNum_t endAddress, 80 RF_RaidLayout_t * layoutPtr, RF_AccessStripeMap_t * asm_p); 81 82 void 83 rf_ASMCheckStatus(RF_Raid_t * raidPtr, RF_PhysDiskAddr_t * pda_p, 84 RF_AccessStripeMap_t * asm_p, RF_RaidDisk_t ** disks, int parity); 85 86 #endif /* !_RF__RF_MAP_H_ */ 87