1 /* $OpenBSD: rf_copyback.h,v 1.3 2002/12/16 07:01:03 tdeval Exp $ */
2 /* $NetBSD: rf_copyback.h,v 1.3 1999/02/05 00:06:06 oster Exp $ */
3
4 /*
5 * rf_copyback.h
6 */
7 /*
8 * Copyright (c) 1996 Carnegie-Mellon University.
9 * All rights reserved.
10 *
11 * Author: Jim Zelenka
12 *
13 * Permission to use, copy, modify and distribute this software and
14 * its documentation is hereby granted, provided that both the copyright
15 * notice and this permission notice appear in all copies of the
16 * software, derivative works or modified versions, and any portions
17 * thereof, and that both notices appear in supporting documentation.
18 *
19 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
20 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
21 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
22 *
23 * Carnegie Mellon requests users of this software to return to
24 *
25 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
26 * School of Computer Science
27 * Carnegie Mellon University
28 * Pittsburgh PA 15213-3890
29 *
30 * any improvements or extensions that they make and grant Carnegie the
31 * rights to redistribute these changes.
32 */
33
34 #ifndef _RF__RF_COPYBACK_H_
35 #define _RF__RF_COPYBACK_H_
36
37 #include "rf_types.h"
38
39 typedef struct RF_CopybackDesc_s {
40 RF_Raid_t *raidPtr;
41 RF_RowCol_t frow;
42 RF_RowCol_t fcol;
43 RF_RowCol_t spRow;
44 RF_RowCol_t spCol;
45 int status;
46 RF_StripeNum_t stripeAddr;
47 RF_SectorCount_t sectPerSU;
48 RF_SectorCount_t sectPerStripe;
49 char *databuf;
50 RF_DiskQueueData_t *readreq;
51 RF_DiskQueueData_t *writereq;
52 struct timeval starttime;
53 RF_MCPair_t *mcpair;
54 } RF_CopybackDesc_t;
55
56 extern int rf_copyback_in_progress;
57
58 int rf_ConfigureCopyback(RF_ShutdownList_t **);
59 void rf_CopybackReconstructedData(RF_Raid_t *);
60 void rf_ContinueCopyback(RF_CopybackDesc_t *);
61
62 #endif /* !_RF__RF_COPYBACK_H_ */