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Annotation of sys/dev/raidframe/rf_pqdeg.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: rf_pqdeg.h,v 1.3 2002/12/16 07:01:04 tdeval Exp $     */
                      2: /*     $NetBSD: rf_pqdeg.h,v 1.3 1999/02/05 00:06:15 oster Exp $       */
                      3:
                      4: /*
                      5:  * Copyright (c) 1995 Carnegie-Mellon University.
                      6:  * All rights reserved.
                      7:  *
                      8:  * Author: Daniel Stodolsky
                      9:  *
                     10:  * Permission to use, copy, modify and distribute this software and
                     11:  * its documentation is hereby granted, provided that both the copyright
                     12:  * notice and this permission notice appear in all copies of the
                     13:  * software, derivative works or modified versions, and any portions
                     14:  * thereof, and that both notices appear in supporting documentation.
                     15:  *
                     16:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
                     17:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
                     18:  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     19:  *
                     20:  * Carnegie Mellon requests users of this software to return to
                     21:  *
                     22:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
                     23:  *  School of Computer Science
                     24:  *  Carnegie Mellon University
                     25:  *  Pittsburgh PA 15213-3890
                     26:  *
                     27:  * any improvements or extensions that they make and grant Carnegie the
                     28:  * rights to redistribute these changes.
                     29:  */
                     30:
                     31: #ifndef        _RF__RF_PQDEG_H_
                     32: #define        _RF__RF_PQDEG_H_
                     33:
                     34: #include "rf_types.h"
                     35:
                     36: #if    RF_UTILITY == 0
                     37: #include "rf_dag.h"
                     38:
                     39: /*
                     40:  * Extern decl's of the failure mode PQ functions.
                     41:  * See pddeg.c for nomenclature discussion.
                     42:  */
                     43:
                     44: /* Reads, single failure. */
                     45: RF_CREATE_DAG_FUNC_DECL(rf_PQ_100_CreateReadDAG);
                     46: /* Reads, two failures. */
                     47: RF_CREATE_DAG_FUNC_DECL(rf_PQ_110_CreateReadDAG);
                     48: RF_CREATE_DAG_FUNC_DECL(rf_PQ_101_CreateReadDAG);
                     49: RF_CREATE_DAG_FUNC_DECL(rf_PQ_200_CreateReadDAG);
                     50:
                     51: /* Writes, single failure. */
                     52: RF_CREATE_DAG_FUNC_DECL(rf_PQ_100_CreateWriteDAG);
                     53: RF_CREATE_DAG_FUNC_DECL(rf_PQ_010_CreateSmallWriteDAG);
                     54: RF_CREATE_DAG_FUNC_DECL(rf_PQ_010_CreateLargeWriteDAG);
                     55: RF_CREATE_DAG_FUNC_DECL(rf_PQ_001_CreateSmallWriteDAG);
                     56: RF_CREATE_DAG_FUNC_DECL(rf_PQ_001_CreateLargeWriteDAG);
                     57:
                     58: /* Writes, double failures. */
                     59: RF_CREATE_DAG_FUNC_DECL(rf_PQ_011_CreateWriteDAG);
                     60: RF_CREATE_DAG_FUNC_DECL(rf_PQ_110_CreateWriteDAG);
                     61: RF_CREATE_DAG_FUNC_DECL(rf_PQ_101_CreateWriteDAG);
                     62: RF_CREATE_DAG_FUNC_DECL(rf_PQ_200_CreateWriteDAG);
                     63: #endif /* RF_UTILITY == 0 */
                     64:
                     65: typedef        RF_uint32       RF_ua32_t[32];
                     66: typedef        RF_uint8        RF_ua1024_t[1024];
                     67:
                     68: extern RF_ua32_t rf_rn;
                     69: extern RF_ua32_t rf_qfor[32];
                     70: #ifndef        _KERNEL                 /*
                     71:                                 * We don't support PQ in the kernel yet, so
                     72:                                 * don't link in this monster table.
                     73:                                 */
                     74: extern RF_ua1024_t rf_qinv[29 * 29];
                     75: #else  /* !_KERNEL */
                     76: extern RF_ua1024_t rf_qinv[1];
                     77: #endif /* !_KERNEL */
                     78:
                     79: #endif /* !_RF__RF_PQDEG_H_ */