1/*	$NetBSD: rf_declusterPQ.h,v 1.6 2005/12/11 12:23:37 christos 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
34int
35rf_ConfigureDeclusteredPQ(RF_ShutdownList_t ** listp, RF_Raid_t * raidPtr,
36    RF_Config_t * cfgPtr);
37int     rf_GetDefaultNumFloatingReconBuffersPQ(RF_Raid_t * raidPtr);
38void
39rf_MapSectorDeclusteredPQ(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
40    RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
41void
42rf_MapParityDeclusteredPQ(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
43    RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
44void
45rf_MapQDeclusteredPQ(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
46    RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
47void
48rf_IdentifyStripeDeclusteredPQ(RF_Raid_t * raidPtr, RF_RaidAddr_t addr,
49    RF_RowCol_t ** diskids);
50
51#endif				/* !_RF__RF_DECLUSTERPQ_H_ */
52