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_ */