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Diffstat (limited to 'sys/dev/raidframe/rf_copyback.h')
| -rw-r--r-- | sys/dev/raidframe/rf_copyback.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/sys/dev/raidframe/rf_copyback.h b/sys/dev/raidframe/rf_copyback.h new file mode 100644 index 00000000000..59ef0630447 --- /dev/null +++ b/sys/dev/raidframe/rf_copyback.h @@ -0,0 +1,88 @@ +/* $OpenBSD: rf_copyback.h,v 1.1 1999/01/11 14:29:03 niklas Exp $ */ +/* $NetBSD: rf_copyback.h,v 1.1 1998/11/13 04:20:27 oster Exp $ */ +/* + * rf_copyback.h + */ +/* + * Copyright (c) 1996 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Jim Zelenka + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ +/* + * : + * Log: rf_copyback.h,v + * Revision 1.5 1996/07/11 19:08:00 jimz + * generalize reconstruction mechanism + * allow raid1 reconstructs via copyback (done with array + * quiesced, not online, therefore not disk-directed) + * + * Revision 1.4 1996/06/10 11:55:47 jimz + * Straightened out some per-array/not-per-array distinctions, fixed + * a couple bugs related to confusion. Added shutdown lists. Removed + * layout shutdown function (now subsumed by shutdown lists). + * + * Revision 1.3 1996/05/24 01:59:45 jimz + * another checkpoint in code cleanup for release + * time to sync kernel tree + * + * Revision 1.2 1996/05/23 21:46:35 jimz + * checkpoint in code cleanup (release prep) + * lots of types, function names have been fixed + * + * Revision 1.1 1996/05/18 19:55:02 jimz + * Initial revision + * + */ + +#ifndef _RF__RF_COPYBACK_H_ +#define _RF__RF_COPYBACK_H_ + +#include "rf_types.h" + +typedef struct RF_CopybackDesc_s { + RF_Raid_t *raidPtr; + RF_RowCol_t frow; + RF_RowCol_t fcol; + RF_RowCol_t spRow; + RF_RowCol_t spCol; + int status; + RF_StripeNum_t stripeAddr; + RF_SectorCount_t sectPerSU; + RF_SectorCount_t sectPerStripe; + char *databuf; + RF_DiskQueueData_t *readreq; + RF_DiskQueueData_t *writereq; + struct timeval starttime; +#ifndef SIMULATE + RF_MCPair_t *mcpair; +#endif /* !SIMULATE */ +} RF_CopybackDesc_t; + +extern int rf_copyback_in_progress; + +int rf_ConfigureCopyback(RF_ShutdownList_t **listp); +void rf_CopybackReconstructedData(RF_Raid_t *raidPtr); +void rf_ContinueCopyback(RF_CopybackDesc_t *desc); + +#endif /* !_RF__RF_COPYBACK_H_ */ |