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Diffstat (limited to 'sys/dev/raidframe/rf_dagdegwr.h')
| -rw-r--r-- | sys/dev/raidframe/rf_dagdegwr.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/sys/dev/raidframe/rf_dagdegwr.h b/sys/dev/raidframe/rf_dagdegwr.h new file mode 100644 index 00000000000..180c5f75668 --- /dev/null +++ b/sys/dev/raidframe/rf_dagdegwr.h @@ -0,0 +1,81 @@ +/* $OpenBSD: rf_dagdegwr.h,v 1.1 1999/01/11 14:29:08 niklas Exp $ */ +/* $NetBSD: rf_dagdegwr.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_dagdegwr.h,v + * Revision 1.6 1996/07/31 16:30:28 jimz + * asm/asmap fix (EO merge) + * + * Revision 1.5 1996/07/31 15:35:38 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 19:21:28 wvcii + * Initial revision + * + */ + +#ifndef _RF__RF_DAGDEGWR_H_ +#define _RF__RF_DAGDEGWR_H_ + +/* degraded write DAG creation routines */ +void rf_CreateDegradedWriteDAG(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_CommonCreateSimpleDegradedWriteDAG(RF_Raid_t *raidPtr, + RF_AccessStripeMap_t *asmap, RF_DagHeader_t *dag_h, void *bp, + RF_RaidAccessFlags_t flags, RF_AllocListElem_t *allocList, + int nfaults, int (*redFunc)(RF_DagNode_t *), int allowBufferRecycle); +void rf_WriteGenerateFailedAccessASMs(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_DoubleDegSmallWrite(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 *redundantWriteNodeName, char *recoveryNodeName, + int (*recovFunc)(RF_DagNode_t *)); + +#endif /* !_RF__RF_DAGDEGWR_H_ */ |