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Diffstat (limited to 'sys/dev/raidframe/rf_pqdeg.h')
| -rw-r--r-- | sys/dev/raidframe/rf_pqdeg.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/sys/dev/raidframe/rf_pqdeg.h b/sys/dev/raidframe/rf_pqdeg.h new file mode 100644 index 00000000000..dc34a7970f7 --- /dev/null +++ b/sys/dev/raidframe/rf_pqdeg.h @@ -0,0 +1,93 @@ +/* $OpenBSD: rf_pqdeg.h,v 1.1 1999/01/11 14:29:39 niklas Exp $ */ +/* $NetBSD: rf_pqdeg.h,v 1.1 1998/11/13 04:20:32 oster Exp $ */ +/* + * Copyright (c) 1995 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Daniel Stodolsky + * + * 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_pqdeg.h,v + * Revision 1.7 1996/07/18 22:57:14 jimz + * port simulator to AIX + * + * Revision 1.6 1996/06/02 17:31:48 jimz + * Moved a lot of global stuff into array structure, where it belongs. + * Fixed up paritylogging, pss modules in this manner. Some general + * code cleanup. Removed lots of dead code, some dead files. + * + * Revision 1.5 1996/05/23 21:46:35 jimz + * checkpoint in code cleanup (release prep) + * lots of types, function names have been fixed + * + * Revision 1.4 1995/11/30 16:19:11 wvcii + * added copyright info + * + */ + +#ifndef _RF__RF_PQDEG_H_ +#define _RF__RF_PQDEG_H_ + +#include "rf_types.h" + +#if RF_UTILITY == 0 +#include "rf_dag.h" + +/* extern decl's of the failure mode PQ functions. + * See pddeg.c for nomenclature discussion. + */ + +/* reads, single failure */ +RF_CREATE_DAG_FUNC_DECL(rf_PQ_100_CreateReadDAG); +/* reads, two failure */ +RF_CREATE_DAG_FUNC_DECL(rf_PQ_110_CreateReadDAG); +RF_CREATE_DAG_FUNC_DECL(rf_PQ_101_CreateReadDAG); +RF_CREATE_DAG_FUNC_DECL(rf_PQ_200_CreateReadDAG); + +/* writes, single failure */ +RF_CREATE_DAG_FUNC_DECL(rf_PQ_100_CreateWriteDAG); +RF_CREATE_DAG_FUNC_DECL(rf_PQ_010_CreateSmallWriteDAG); +RF_CREATE_DAG_FUNC_DECL(rf_PQ_010_CreateLargeWriteDAG); +RF_CREATE_DAG_FUNC_DECL(rf_PQ_001_CreateSmallWriteDAG); +RF_CREATE_DAG_FUNC_DECL(rf_PQ_001_CreateLargeWriteDAG); + +/* writes, double failure */ +RF_CREATE_DAG_FUNC_DECL(rf_PQ_011_CreateWriteDAG); +RF_CREATE_DAG_FUNC_DECL(rf_PQ_110_CreateWriteDAG); +RF_CREATE_DAG_FUNC_DECL(rf_PQ_101_CreateWriteDAG); +RF_CREATE_DAG_FUNC_DECL(rf_PQ_200_CreateWriteDAG); +#endif /* RF_UTILITY == 0 */ + +typedef RF_uint32 RF_ua32_t[32]; +typedef RF_uint8 RF_ua1024_t[1024]; + +extern RF_ua32_t rf_rn; +extern RF_ua32_t rf_qfor[32]; +#ifndef KERNEL /* we don't support PQ in the kernel yet, so don't link in this monster table */ +extern RF_ua1024_t rf_qinv[29*29]; +#else /* !KERNEL */ +extern RF_ua1024_t rf_qinv[1]; +#endif /* !KERNEL */ + +#endif /* !_RF__RF_PQDEG_H_ */ |