diff options
Diffstat (limited to 'sys/dev/raidframe/rf_pqdeg.h')
| -rw-r--r-- | sys/dev/raidframe/rf_pqdeg.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/sys/dev/raidframe/rf_pqdeg.h b/sys/dev/raidframe/rf_pqdeg.h new file mode 100644 index 0000000..83371e6 --- /dev/null +++ b/sys/dev/raidframe/rf_pqdeg.h @@ -0,0 +1,75 @@ +/* $FreeBSD$ */ +/* $NetBSD: rf_pqdeg.h,v 1.3 1999/02/05 00:06:15 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. + */ + +#ifndef _RF__RF_PQDEG_H_ +#define _RF__RF_PQDEG_H_ + +#include <dev/raidframe/rf_types.h> + +#if RF_UTILITY == 0 +#include <dev/raidframe/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_ */ |
