1 /*	$NetBSD: rf_declusterPQ.h,v 1.7 2006/04/26 17:08:48 oster Exp $	*/
2 /*
3  * Copyright (c) 1995 Carnegie-Mellon University.
4  * All rights reserved.
5  *
6  * Author: Daniel Stodolsky, Mark Holland
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_DECLUSTERPQ_H_
30 #define _RF__RF_DECLUSTERPQ_H_
31 
32 #include <dev/raidframe/raidframevar.h>
33 
34 int
35 rf_ConfigureDeclusteredPQ(RF_ShutdownList_t ** listp, RF_Raid_t * raidPtr,
36     RF_Config_t * cfgPtr);
37 int     rf_GetDefaultNumFloatingReconBuffersPQ(RF_Raid_t * raidPtr);
38 void
39 rf_MapSectorDeclusteredPQ(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
40     RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
41 void
42 rf_MapParityDeclusteredPQ(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
43     RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
44 void
45 rf_MapQDeclusteredPQ(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
46     RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
47 void
48 rf_IdentifyStripeDeclusteredPQ(RF_Raid_t * raidPtr, RF_RaidAddr_t addr,
49     RF_RowCol_t ** diskids);
50 
51 #endif				/* !_RF__RF_DECLUSTERPQ_H_ */
52