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_ */
63