rf_pq.h revision 1.4
1 1.4 perry /* $NetBSD: rf_pq.h,v 1.4 2005/02/27 00:27:45 perry Exp $ */ 2 1.1 oster /* 3 1.1 oster * rf_pq.h 4 1.1 oster */ 5 1.1 oster /* 6 1.1 oster * Copyright (c) 1995 Carnegie-Mellon University. 7 1.1 oster * All rights reserved. 8 1.1 oster * 9 1.1 oster * Author: Daniel Stodolsky 10 1.1 oster * 11 1.1 oster * Permission to use, copy, modify and distribute this software and 12 1.1 oster * its documentation is hereby granted, provided that both the copyright 13 1.1 oster * notice and this permission notice appear in all copies of the 14 1.1 oster * software, derivative works or modified versions, and any portions 15 1.1 oster * thereof, and that both notices appear in supporting documentation. 16 1.1 oster * 17 1.1 oster * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 18 1.1 oster * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 19 1.1 oster * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 20 1.1 oster * 21 1.1 oster * Carnegie Mellon requests users of this software to return to 22 1.1 oster * 23 1.1 oster * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 24 1.1 oster * School of Computer Science 25 1.1 oster * Carnegie Mellon University 26 1.1 oster * Pittsburgh PA 15213-3890 27 1.1 oster * 28 1.1 oster * any improvements or extensions that they make and grant Carnegie the 29 1.1 oster * rights to redistribute these changes. 30 1.1 oster */ 31 1.1 oster 32 1.1 oster #ifndef _RF__RF_PQ_H_ 33 1.1 oster #define _RF__RF_PQ_H_ 34 1.1 oster 35 1.1 oster #include "rf_archs.h" 36 1.1 oster 37 1.1 oster extern RF_RedFuncs_t rf_pFuncs; 38 1.1 oster extern RF_RedFuncs_t rf_pRecoveryFuncs; 39 1.1 oster 40 1.3 oster int rf_RegularONPFunc(RF_DagNode_t * node); 41 1.3 oster int rf_SimpleONPFunc(RF_DagNode_t * node); 42 1.3 oster int rf_RecoveryPFunc(RF_DagNode_t * node); 43 1.3 oster int rf_RegularPFunc(RF_DagNode_t * node); 44 1.1 oster 45 1.1 oster #if (RF_INCLUDE_DECL_PQ > 0) || (RF_INCLUDE_RAID6 > 0) 46 1.1 oster 47 1.1 oster extern RF_RedFuncs_t rf_qFuncs; 48 1.1 oster extern RF_RedFuncs_t rf_qRecoveryFuncs; 49 1.1 oster extern RF_RedFuncs_t rf_pqRecoveryFuncs; 50 1.1 oster 51 1.4 perry void 52 1.3 oster rf_PQDagSelect(RF_Raid_t * raidPtr, RF_IoType_t type, 53 1.3 oster RF_AccessStripeMap_t * asmap, RF_VoidFuncPtr * createFunc); 54 1.1 oster RF_CREATE_DAG_FUNC_DECL(rf_PQCreateLargeWriteDAG); 55 1.3 oster int rf_RegularONQFunc(RF_DagNode_t * node); 56 1.3 oster int rf_SimpleONQFunc(RF_DagNode_t * node); 57 1.1 oster RF_CREATE_DAG_FUNC_DECL(rf_PQCreateSmallWriteDAG); 58 1.3 oster int rf_RegularPQFunc(RF_DagNode_t * node); 59 1.3 oster int rf_RegularQFunc(RF_DagNode_t * node); 60 1.3 oster void rf_Degraded_100_PQFunc(RF_DagNode_t * node); 61 1.3 oster int rf_RecoveryQFunc(RF_DagNode_t * node); 62 1.3 oster int rf_RecoveryPQFunc(RF_DagNode_t * node); 63 1.3 oster void rf_PQ_DegradedWriteQFunc(RF_DagNode_t * node); 64 1.4 perry void 65 1.3 oster rf_IncQ(unsigned long *dest, unsigned long *buf, unsigned length, 66 1.3 oster unsigned coeff); 67 1.4 perry void 68 1.3 oster rf_PQ_recover(unsigned long *pbuf, unsigned long *qbuf, unsigned long *abuf, 69 1.3 oster unsigned long *bbuf, unsigned length, unsigned coeff_a, unsigned coeff_b); 70 1.1 oster 71 1.3 oster #endif /* (RF_INCLUDE_DECL_PQ > 0) || 72 1.3 oster * (RF_INCLUDE_RAID6 > 0) */ 73 1.1 oster 74 1.3 oster #endif /* !_RF__RF_PQ_H_ */ 75
Indexes created Sun Sep 21 20:09:37 GMT 2025