freebsd-dev/sys/dev/raidframe/rf_pqdeg.h
Scott Long f9d186edc8 After much delay and anticipation, welcome RAIDFrame into the FreeBSD
world.  This should be considered highly experimental.

Approved-by:	re
2002-10-20 08:17:39 +00:00

76 lines
2.5 KiB
C

/* $FreeBSD$ */
/* $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_ */