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_ */
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