freebsd-dev/sys/dev/raidframe/rf_declusterPQ.h
Scott Long f9d186edc8 After much delay and anticipation, welcome RAIDFrame into the FreeBSD
world.  This should be considered highly experimental.

Approved-by:	re
2002-10-20 08:17:39 +00:00

53 lines
2.0 KiB
C

/* $FreeBSD$ */
/* $NetBSD: rf_declusterPQ.h,v 1.3 1999/02/05 00:06:09 oster Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Daniel Stodolsky, Mark Holland
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#ifndef _RF__RF_DECLUSTERPQ_H_
#define _RF__RF_DECLUSTERPQ_H_
#include <dev/raidframe/rf_types.h>
int
rf_ConfigureDeclusteredPQ(RF_ShutdownList_t ** listp, RF_Raid_t * raidPtr,
RF_Config_t * cfgPtr);
int rf_GetDefaultNumFloatingReconBuffersPQ(RF_Raid_t * raidPtr);
void
rf_MapSectorDeclusteredPQ(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
RF_RowCol_t * row, RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
void
rf_MapParityDeclusteredPQ(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
RF_RowCol_t * row, RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
void
rf_MapQDeclusteredPQ(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
RF_RowCol_t * row, RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
void
rf_IdentifyStripeDeclusteredPQ(RF_Raid_t * raidPtr, RF_RaidAddr_t addr,
RF_RowCol_t ** diskids, RF_RowCol_t * outRow);
#endif /* !_RF__RF_DECLUSTERPQ_H_ */