rf_interdecluster.h revision 1.6 1 1.6 oster /* $NetBSD: rf_interdecluster.h,v 1.6 2006/04/26 17:08:48 oster 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: Khalil Amiri
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 /* rf_interdecluster.h
30 1.1 oster * header file for Interleaved Declustering
31 1.1 oster */
32 1.1 oster
33 1.1 oster #ifndef _RF__RF_INTERDECLUSTER_H_
34 1.1 oster #define _RF__RF_INTERDECLUSTER_H_
35 1.1 oster
36 1.4 perry int
37 1.3 oster rf_ConfigureInterDecluster(RF_ShutdownList_t ** listp, RF_Raid_t * raidPtr,
38 1.3 oster RF_Config_t * cfgPtr);
39 1.3 oster int rf_GetDefaultNumFloatingReconBuffersInterDecluster(RF_Raid_t * raidPtr);
40 1.3 oster RF_HeadSepLimit_t rf_GetDefaultHeadSepLimitInterDecluster(RF_Raid_t * raidPtr);
41 1.3 oster RF_ReconUnitCount_t rf_GetNumSpareRUsInterDecluster(RF_Raid_t * raidPtr);
42 1.4 perry void
43 1.3 oster rf_MapSectorInterDecluster(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
44 1.6 oster RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
45 1.4 perry void
46 1.3 oster rf_MapParityInterDecluster(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
47 1.6 oster RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
48 1.4 perry void
49 1.3 oster rf_IdentifyStripeInterDecluster(RF_Raid_t * raidPtr, RF_RaidAddr_t addr,
50 1.6 oster RF_RowCol_t ** diskids);
51 1.4 perry void
52 1.3 oster rf_MapSIDToPSIDInterDecluster(RF_RaidLayout_t * layoutPtr,
53 1.3 oster RF_StripeNum_t stripeID, RF_StripeNum_t * psID,
54 1.3 oster RF_ReconUnitNum_t * which_ru);
55 1.4 perry void
56 1.3 oster rf_RAIDIDagSelect(RF_Raid_t * raidPtr, RF_IoType_t type,
57 1.3 oster RF_AccessStripeMap_t * asmap, RF_VoidFuncPtr * createFunc);
58 1.1 oster
59 1.3 oster #endif /* !_RF__RF_INTERDECLUSTER_H_ */
60