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/* $OpenBSD: rf_dagdegrd.h,v 1.1 1999/01/11 14:29:07 niklas Exp $ */
/* $NetBSD: rf_dagdegrd.h,v 1.1 1998/11/13 04:20:27 oster Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Mark Holland, Daniel Stodolsky, William V. Courtright II
*
* 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.
*/
/*
* :
* Log: rf_dagdegrd.h,v
* Revision 1.6 1996/07/31 16:29:06 jimz
* asm/asmap re-fix (EO merge)
*
* Revision 1.5 1996/07/31 15:34:40 jimz
* evenodd changes; bugfixes for double-degraded archs, generalize
* some formerly PQ-only functions
*
* Revision 1.4 1996/07/22 19:52:16 jimz
* switched node params to RF_DagParam_t, a union of
* a 64-bit int and a void *, for better portability
* attempted hpux port, but failed partway through for
* lack of a single C compiler capable of compiling all
* source files
*
* Revision 1.3 1996/05/24 22:17:04 jimz
* continue code + namespace cleanup
* typed a bunch of flags
*
* Revision 1.2 1996/05/23 21:46:35 jimz
* checkpoint in code cleanup (release prep)
* lots of types, function names have been fixed
*
* Revision 1.1 1996/05/03 19:22:06 wvcii
* Initial revision
*
*/
#ifndef _RF__RF_DAGDEGRD_H_
#define _RF__RF_DAGDEGRD_H_
#include "rf_types.h"
/* degraded read DAG creation routines */
void rf_CreateRaidFiveDegradedReadDAG(RF_Raid_t *raidPtr,
RF_AccessStripeMap_t *asmap, RF_DagHeader_t *dag_h, void *bp,
RF_RaidAccessFlags_t flags, RF_AllocListElem_t *allocList);
void rf_CreateRaidOneDegradedReadDAG(RF_Raid_t *raidPtr,
RF_AccessStripeMap_t *asmap, RF_DagHeader_t *dag_h, void *bp,
RF_RaidAccessFlags_t flags, RF_AllocListElem_t *allocList);
void rf_CreateDegradedReadDAG(RF_Raid_t *raidPtr,
RF_AccessStripeMap_t *asmap, RF_DagHeader_t *dag_h, void *bp,
RF_RaidAccessFlags_t flags, RF_AllocListElem_t *allocList,
RF_RedFuncs_t *recFunc);
void rf_CreateRaidCDegradedReadDAG(RF_Raid_t *raidPtr,
RF_AccessStripeMap_t *asmap, RF_DagHeader_t *dag_h, void *bp,
RF_RaidAccessFlags_t flags, RF_AllocListElem_t *allocList);
void rf_DD_GenerateFailedAccessASMs(RF_Raid_t *raidPtr,
RF_AccessStripeMap_t *asmap, RF_PhysDiskAddr_t **pdap,
int *nNodep, RF_PhysDiskAddr_t **pqpdap, int *nPQNodep,
RF_AllocListElem_t *allocList);
void rf_DoubleDegRead(RF_Raid_t *raidPtr, RF_AccessStripeMap_t *asmap,
RF_DagHeader_t *dag_h, void *bp, RF_RaidAccessFlags_t flags,
RF_AllocListElem_t *allocList, char *redundantReadNodeName,
char *recoveryNodeName, int (*recovFunc)(RF_DagNode_t *));
#endif /* !_RF__RF_DAGDEGRD_H_ */
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