1 /*	$OpenBSD: rf_declusterPQ.h,v 1.3 2002/12/16 07:01:03 tdeval Exp $	*/
2 /*	$NetBSD: rf_declusterPQ.h,v 1.3 1999/02/05 00:06:09 oster Exp $	*/
3 
4 /*
5  * Copyright (c) 1995 Carnegie-Mellon University.
6  * All rights reserved.
7  *
8  * Author: Daniel Stodolsky, Mark Holland
9  *
10  * Permission to use, copy, modify and distribute this software and
11  * its documentation is hereby granted, provided that both the copyright
12  * notice and this permission notice appear in all copies of the
13  * software, derivative works or modified versions, and any portions
14  * thereof, and that both notices appear in supporting documentation.
15  *
16  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
17  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
18  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19  *
20  * Carnegie Mellon requests users of this software to return to
21  *
22  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
23  *  School of Computer Science
24  *  Carnegie Mellon University
25  *  Pittsburgh PA 15213-3890
26  *
27  * any improvements or extensions that they make and grant Carnegie the
28  * rights to redistribute these changes.
29  */
30 
31 #ifndef	_RF__RF_DECLUSTERPQ_H_
32 #define	_RF__RF_DECLUSTERPQ_H_
33 
34 #include "rf_types.h"
35 
36 int  rf_ConfigureDeclusteredPQ(RF_ShutdownList_t **, RF_Raid_t *,
37 	RF_Config_t *);
38 int  rf_GetDefaultNumFloatingReconBuffersPQ(RF_Raid_t *);
39 void rf_MapSectorDeclusteredPQ(RF_Raid_t *, RF_RaidAddr_t, RF_RowCol_t *,
40 	RF_RowCol_t *, RF_SectorNum_t *, int);
41 void rf_MapParityDeclusteredPQ(RF_Raid_t *, RF_RaidAddr_t, RF_RowCol_t *,
42 	RF_RowCol_t *, RF_SectorNum_t *, int);
43 void rf_MapQDeclusteredPQ(RF_Raid_t *, RF_RaidAddr_t, RF_RowCol_t *,
44 	RF_RowCol_t *, RF_SectorNum_t *, int);
45 void rf_IdentifyStripeDeclusteredPQ(RF_Raid_t *, RF_RaidAddr_t, RF_RowCol_t **,
46 	RF_RowCol_t *);
47 
48 #endif	/* ! _RF__RF_DECLUSTERPQ_H_ */
49