88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
/* $NetBSD: rf_copyback.h,v 1.1 1998/11/13 04:20:27 oster Exp $ */
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/*
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* rf_copyback.h
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*/
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/*
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* Copyright (c) 1996 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Jim Zelenka
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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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* :
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* Log: rf_copyback.h,v
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* Revision 1.5 1996/07/11 19:08:00 jimz
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* generalize reconstruction mechanism
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* allow raid1 reconstructs via copyback (done with array
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* quiesced, not online, therefore not disk-directed)
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*
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* Revision 1.4 1996/06/10 11:55:47 jimz
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* Straightened out some per-array/not-per-array distinctions, fixed
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* a couple bugs related to confusion. Added shutdown lists. Removed
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* layout shutdown function (now subsumed by shutdown lists).
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*
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* Revision 1.3 1996/05/24 01:59:45 jimz
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* another checkpoint in code cleanup for release
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* time to sync kernel tree
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*
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* Revision 1.2 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 1.1 1996/05/18 19:55:02 jimz
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* Initial revision
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*
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*/
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#ifndef _RF__RF_COPYBACK_H_
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#define _RF__RF_COPYBACK_H_
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#include "rf_types.h"
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typedef struct RF_CopybackDesc_s {
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RF_Raid_t *raidPtr;
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RF_RowCol_t frow;
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RF_RowCol_t fcol;
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RF_RowCol_t spRow;
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RF_RowCol_t spCol;
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int status;
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RF_StripeNum_t stripeAddr;
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RF_SectorCount_t sectPerSU;
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RF_SectorCount_t sectPerStripe;
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char *databuf;
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RF_DiskQueueData_t *readreq;
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RF_DiskQueueData_t *writereq;
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struct timeval starttime;
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#ifndef SIMULATE
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RF_MCPair_t *mcpair;
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#endif /* !SIMULATE */
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} RF_CopybackDesc_t;
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extern int rf_copyback_in_progress;
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int rf_ConfigureCopyback(RF_ShutdownList_t **listp);
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void rf_CopybackReconstructedData(RF_Raid_t *raidPtr);
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void rf_ContinueCopyback(RF_CopybackDesc_t *desc);
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#endif /* !_RF__RF_COPYBACK_H_ */
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