rf_evenodd.h revision 1.1 1 /* $NetBSD: rf_evenodd.h,v 1.1 1998/11/13 04:20:29 oster Exp $ */
2 /*
3 * Copyright (c) 1995, 1996 Carnegie-Mellon University.
4 * All rights reserved.
5 *
6 * Author: Chang-Ming Wu
7 *
8 * Permission to use, copy, modify and distribute this software and
9 * its documentation is hereby granted, provided that both the copyright
10 * notice and this permission notice appear in all copies of the
11 * software, derivative works or modified versions, and any portions
12 * thereof, and that both notices appear in supporting documentation.
13 *
14 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
15 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
16 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
17 *
18 * Carnegie Mellon requests users of this software to return to
19 *
20 * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU
21 * School of Computer Science
22 * Carnegie Mellon University
23 * Pittsburgh PA 15213-3890
24 *
25 * any improvements or extensions that they make and grant Carnegie the
26 * rights to redistribute these changes.
27 */
28
29 #ifndef _RF__RF_EVENODD_H_
30 #define _RF__RF_EVENODD_H_
31
32 /* extern declerations of the failure mode functions. */
33 int rf_ConfigureEvenOdd(RF_ShutdownList_t **shutdownListp, RF_Raid_t *raidPtr,
34 RF_Config_t *cfgPtr);
35 int rf_GetDefaultNumFloatingReconBuffersEvenOdd(RF_Raid_t *raidPtr);
36 RF_HeadSepLimit_t rf_GetDefaultHeadSepLimitEvenOdd(RF_Raid_t *raidPtr);
37 void rf_IdentifyStripeEvenOdd(RF_Raid_t *raidPtr, RF_RaidAddr_t addr,
38 RF_RowCol_t **diskids, RF_RowCol_t *outrow);
39 void rf_MapParityEvenOdd(RF_Raid_t *raidPtr, RF_RaidAddr_t raidSector,
40 RF_RowCol_t *row, RF_RowCol_t *col, RF_SectorNum_t *diskSector, int remap);
41 void rf_MapEEvenOdd(RF_Raid_t *raidPtr, RF_RaidAddr_t raidSector,
42 RF_RowCol_t *row, RF_RowCol_t *col, RF_SectorNum_t *diskSector, int remap);
43 void rf_EODagSelect(RF_Raid_t *raidPtr, RF_IoType_t type,
44 RF_AccessStripeMap_t *asmap, RF_VoidFuncPtr *createFunc);
45 int rf_VerifyParityEvenOdd(RF_Raid_t *raidPtr, RF_RaidAddr_t raidAddr,
46 RF_PhysDiskAddr_t *parityPDA, int correct_it, RF_RaidAccessFlags_t flags);
47
48 #endif /* !_RF__RF_EVENODD_H_ */
49