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_ */
80