freebsd-dev/sys/dev/raidframe/rf_reconutil.h

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/* $FreeBSD$ */
/* $NetBSD: rf_reconutil.h,v 1.3 1999/02/05 00:06:17 oster Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: 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.
*/
/************************************************************
* rf_reconutil.h -- header file for reconstruction utilities
************************************************************/
#ifndef _RF__RF_RECONUTIL_H_
#define _RF__RF_RECONUTIL_H_
#include <dev/raidframe/rf_types.h>
#include <dev/raidframe/rf_reconstruct.h>
RF_ReconCtrl_t *
rf_MakeReconControl(RF_RaidReconDesc_t * reconDesc,
RF_RowCol_t frow, RF_RowCol_t fcol, RF_RowCol_t srow, RF_RowCol_t scol);
void rf_FreeReconControl(RF_Raid_t * raidPtr, RF_RowCol_t row);
RF_HeadSepLimit_t rf_GetDefaultHeadSepLimit(RF_Raid_t * raidPtr);
int rf_GetDefaultNumFloatingReconBuffers(RF_Raid_t * raidPtr);
RF_ReconBuffer_t *
rf_MakeReconBuffer(RF_Raid_t * raidPtr, RF_RowCol_t row,
RF_RowCol_t col, RF_RbufType_t type);
void rf_FreeReconBuffer(RF_ReconBuffer_t * rbuf);
void rf_CheckFloatingRbufCount(RF_Raid_t * raidPtr, int dolock);
#endif /* !_RF__RF_RECONUTIL_H_ */