rf_dagffwr.h revision 1.6 1 1.6 perry /* $NetBSD: rf_dagffwr.h,v 1.6 2005/02/27 00:27:44 perry Exp $ */
2 1.1 oster /*
3 1.1 oster * Copyright (c) 1995 Carnegie-Mellon University.
4 1.1 oster * All rights reserved.
5 1.1 oster *
6 1.1 oster * Author: Mark Holland, Daniel Stodolsky, William V. Courtright II
7 1.1 oster *
8 1.1 oster * Permission to use, copy, modify and distribute this software and
9 1.1 oster * its documentation is hereby granted, provided that both the copyright
10 1.1 oster * notice and this permission notice appear in all copies of the
11 1.1 oster * software, derivative works or modified versions, and any portions
12 1.1 oster * thereof, and that both notices appear in supporting documentation.
13 1.1 oster *
14 1.1 oster * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
15 1.1 oster * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
16 1.1 oster * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
17 1.1 oster *
18 1.1 oster * Carnegie Mellon requests users of this software to return to
19 1.1 oster *
20 1.1 oster * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU
21 1.1 oster * School of Computer Science
22 1.1 oster * Carnegie Mellon University
23 1.1 oster * Pittsburgh PA 15213-3890
24 1.1 oster *
25 1.1 oster * any improvements or extensions that they make and grant Carnegie the
26 1.1 oster * rights to redistribute these changes.
27 1.1 oster */
28 1.1 oster
29 1.1 oster #ifndef _RF__RF_DAGFFWR_H_
30 1.1 oster #define _RF__RF_DAGFFWR_H_
31 1.1 oster
32 1.4 oster #include <dev/raidframe/raidframevar.h>
33 1.1 oster
34 1.1 oster /* fault-free write DAG creation routines */
35 1.6 perry void
36 1.3 oster rf_CreateNonRedundantWriteDAG(RF_Raid_t * raidPtr,
37 1.3 oster RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp,
38 1.3 oster RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList,
39 1.3 oster RF_IoType_t type);
40 1.6 perry void
41 1.3 oster rf_CreateRAID0WriteDAG(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap,
42 1.3 oster RF_DagHeader_t * dag_h, void *bp, RF_RaidAccessFlags_t flags,
43 1.3 oster RF_AllocListElem_t * allocList, RF_IoType_t type);
44 1.6 perry void
45 1.3 oster rf_CreateSmallWriteDAG(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap,
46 1.3 oster RF_DagHeader_t * dag_h, void *bp, RF_RaidAccessFlags_t flags,
47 1.3 oster RF_AllocListElem_t * allocList);
48 1.6 perry void
49 1.3 oster rf_CreateLargeWriteDAG(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap,
50 1.3 oster RF_DagHeader_t * dag_h, void *bp, RF_RaidAccessFlags_t flags,
51 1.3 oster RF_AllocListElem_t * allocList);
52 1.6 perry void
53 1.3 oster rf_CommonCreateLargeWriteDAG(RF_Raid_t * raidPtr,
54 1.3 oster RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp,
55 1.3 oster RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList, int nfaults,
56 1.3 oster int (*redFunc) (RF_DagNode_t *), int allowBufferRecycle);
57 1.3 oster void rf_CommonCreateLargeWriteDAGFwd(RF_Raid_t * raidPtr,
58 1.3 oster RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp,
59 1.3 oster RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList, int nfaults,
60 1.3 oster int (*redFunc) (RF_DagNode_t *), int allowBufferRecycle);
61 1.3 oster void rf_CommonCreateSmallWriteDAG(RF_Raid_t * raidPtr,
62 1.3 oster RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp,
63 1.3 oster RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList,
64 1.5 jdolecek const RF_RedFuncs_t * pfuncs, const RF_RedFuncs_t * qfuncs);
65 1.3 oster void rf_CommonCreateSmallWriteDAGFwd(RF_Raid_t * raidPtr,
66 1.3 oster RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp,
67 1.3 oster RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList,
68 1.5 jdolecek const RF_RedFuncs_t * pfuncs, const RF_RedFuncs_t * qfuncs);
69 1.3 oster void rf_CreateRaidOneWriteDAG(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap,
70 1.3 oster RF_DagHeader_t * dag_h, void *bp, RF_RaidAccessFlags_t flags,
71 1.3 oster RF_AllocListElem_t * allocList);
72 1.3 oster void rf_CreateRaidOneWriteDAGFwd(RF_Raid_t * raidPtr,
73 1.3 oster RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp,
74 1.3 oster RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList);
75 1.1 oster
76 1.3 oster #endif /* !_RF__RF_DAGFFWR_H_ */
77