1 /* $NetBSD: rf_dagdegrd.h,v 1.8 2006/04/26 17:08:48 oster Exp $ */ 2 /* 3 * Copyright (c) 1995 Carnegie-Mellon University. 4 * All rights reserved. 5 * 6 * Author: Mark Holland, Daniel Stodolsky, William V. Courtright II 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 #ifndef _RF__RF_DAGDEGRD_H_ 30 #define _RF__RF_DAGDEGRD_H_ 31 32 #include <dev/raidframe/raidframevar.h> 33 34 /* degraded read DAG creation routines */ 35 void 36 rf_CreateRaidFiveDegradedReadDAG(RF_Raid_t * raidPtr, 37 RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp, 38 RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList); 39 void 40 rf_CreateRaidOneDegradedReadDAG(RF_Raid_t * raidPtr, 41 RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp, 42 RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList); 43 void 44 rf_CreateDegradedReadDAG(RF_Raid_t * raidPtr, 45 RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp, 46 RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList, 47 const RF_RedFuncs_t * recFunc); 48 void 49 rf_CreateRaidCDegradedReadDAG(RF_Raid_t * raidPtr, 50 RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp, 51 RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList); 52 void 53 rf_DD_GenerateFailedAccessASMs(RF_Raid_t * raidPtr, 54 RF_AccessStripeMap_t * asmap, RF_PhysDiskAddr_t ** pdap, 55 int *nNodep, RF_PhysDiskAddr_t ** pqpdap, int *nPQNodep, 56 RF_AllocListElem_t * allocList); 57 void 58 rf_DoubleDegRead(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap, 59 RF_DagHeader_t * dag_h, void *bp, RF_RaidAccessFlags_t flags, 60 RF_AllocListElem_t * allocList, const char *redundantReadNodeName, 61 const char *recoveryNodeName, int (*recovFunc) (RF_DagNode_t *)); 62 63 #endif /* !_RF__RF_DAGDEGRD_H_ */ 64