96 lines
3.4 KiB
C
96 lines
3.4 KiB
C
/* $NetBSD: rf_reconutil.h,v 1.1 1998/11/13 04:20:34 oster Exp $ */
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/*
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* Copyright (c) 1995 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Mark Holland
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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/************************************************************
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* rf_reconutil.h -- header file for reconstruction utilities
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************************************************************/
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/* :
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* Log: rf_reconutil.h,v
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* Revision 1.10 1996/07/15 05:40:41 jimz
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* some recon datastructure cleanup
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* better handling of multiple failures
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* added undocumented double-recon test
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*
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* Revision 1.9 1996/07/13 00:00:59 jimz
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* sanitized generalized reconstruction architecture
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* cleaned up head sep, rbuf problems
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*
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* Revision 1.8 1996/06/07 21:33:04 jimz
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* begin using consistent types for sector numbers,
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* stripe numbers, row+col numbers, recon unit numbers
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*
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* Revision 1.7 1996/06/05 18:06:02 jimz
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* Major code cleanup. The Great Renaming is now done.
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* Better modularity. Better typing. Fixed a bunch of
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* synchronization bugs. Made a lot of global stuff
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* per-desc or per-array. Removed dead code.
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*
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* Revision 1.6 1996/06/03 23:28:26 jimz
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* more bugfixes
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* check in tree to sync for IPDS runs with current bugfixes
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* there still may be a problem with threads in the script test
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* getting I/Os stuck- not trivially reproducible (runs ~50 times
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* in a row without getting stuck)
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*
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* Revision 1.5 1996/05/27 18:56:37 jimz
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* more code cleanup
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* better typing
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* compiles in all 3 environments
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*
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* Revision 1.4 1996/05/23 21:46:35 jimz
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* checkpoint in code cleanup (release prep)
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* lots of types, function names have been fixed
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*
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* Revision 1.3 1996/05/18 19:51:34 jimz
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* major code cleanup- fix syntax, make some types consistent,
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* add prototypes, clean out dead code, et cetera
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*
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* Revision 1.2 1995/12/06 15:06:47 root
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* added copyright info
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*
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*/
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#ifndef _RF__RF_RECONUTIL_H_
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#define _RF__RF_RECONUTIL_H_
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#include "rf_types.h"
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#include "rf_reconstruct.h"
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RF_ReconCtrl_t *rf_MakeReconControl(RF_RaidReconDesc_t *reconDesc,
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RF_RowCol_t frow, RF_RowCol_t fcol, RF_RowCol_t srow, RF_RowCol_t scol);
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void rf_FreeReconControl(RF_Raid_t *raidPtr, RF_RowCol_t row);
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RF_HeadSepLimit_t rf_GetDefaultHeadSepLimit(RF_Raid_t *raidPtr);
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int rf_GetDefaultNumFloatingReconBuffers(RF_Raid_t *raidPtr);
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RF_ReconBuffer_t *rf_MakeReconBuffer(RF_Raid_t *raidPtr, RF_RowCol_t row,
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RF_RowCol_t col, RF_RbufType_t type);
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void rf_FreeReconBuffer(RF_ReconBuffer_t *rbuf);
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void rf_CheckFloatingRbufCount(RF_Raid_t *raidPtr, int dolock);
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#endif /* !_RF__RF_RECONUTIL_H_ */
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