| 1 | /* $NetBSD: rf_dagffwr.h,v 1.7 2005/12/11 12:23:37 christos 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_DAGFFWR_H_ |
| 30 | #define _RF__RF_DAGFFWR_H_ |
| 31 | |
| 32 | #include <dev/raidframe/raidframevar.h> |
| 33 | |
| 34 | /* fault-free write DAG creation routines */ |
| 35 | void |
| 36 | rf_CreateNonRedundantWriteDAG(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 | RF_IoType_t type); |
| 40 | void |
| 41 | rf_CreateRAID0WriteDAG(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap, |
| 42 | RF_DagHeader_t * dag_h, void *bp, RF_RaidAccessFlags_t flags, |
| 43 | RF_AllocListElem_t * allocList, RF_IoType_t type); |
| 44 | void |
| 45 | rf_CreateSmallWriteDAG(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap, |
| 46 | RF_DagHeader_t * dag_h, void *bp, RF_RaidAccessFlags_t flags, |
| 47 | RF_AllocListElem_t * allocList); |
| 48 | void |
| 49 | rf_CreateLargeWriteDAG(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap, |
| 50 | RF_DagHeader_t * dag_h, void *bp, RF_RaidAccessFlags_t flags, |
| 51 | RF_AllocListElem_t * allocList); |
| 52 | void |
| 53 | rf_CommonCreateLargeWriteDAG(RF_Raid_t * raidPtr, |
| 54 | RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp, |
| 55 | RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList, int nfaults, |
| 56 | int (*redFunc) (RF_DagNode_t *), int allowBufferRecycle); |
| 57 | void rf_CommonCreateLargeWriteDAGFwd(RF_Raid_t * raidPtr, |
| 58 | RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp, |
| 59 | RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList, int nfaults, |
| 60 | int (*redFunc) (RF_DagNode_t *), int allowBufferRecycle); |
| 61 | void rf_CommonCreateSmallWriteDAG(RF_Raid_t * raidPtr, |
| 62 | RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp, |
| 63 | RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList, |
| 64 | const RF_RedFuncs_t * pfuncs, const RF_RedFuncs_t * qfuncs); |
| 65 | void rf_CommonCreateSmallWriteDAGFwd(RF_Raid_t * raidPtr, |
| 66 | RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp, |
| 67 | RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList, |
| 68 | const RF_RedFuncs_t * pfuncs, const RF_RedFuncs_t * qfuncs); |
| 69 | void rf_CreateRaidOneWriteDAG(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap, |
| 70 | RF_DagHeader_t * dag_h, void *bp, RF_RaidAccessFlags_t flags, |
| 71 | RF_AllocListElem_t * allocList); |
| 72 | void rf_CreateRaidOneWriteDAGFwd(RF_Raid_t * raidPtr, |
| 73 | RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp, |
| 74 | RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList); |
| 75 | |
| 76 | #endif /* !_RF__RF_DAGFFWR_H_ */ |
| 77 | |