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Diffstat (limited to 'sys/dev/raidframe/rf_raid4.h')
| -rw-r--r-- | sys/dev/raidframe/rf_raid4.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/sys/dev/raidframe/rf_raid4.h b/sys/dev/raidframe/rf_raid4.h new file mode 100644 index 0000000..56df05a --- /dev/null +++ b/sys/dev/raidframe/rf_raid4.h @@ -0,0 +1,57 @@ +/* $FreeBSD$ */ +/* $NetBSD: rf_raid4.h,v 1.3 1999/02/05 00:06:16 oster Exp $ */ +/* + * Copyright (c) 1995 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Rachad Youssef + * + * 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. + */ + +/* rf_raid4.h header file for RAID Level 4 */ + +#ifndef _RF__RF_RAID4_H_ +#define _RF__RF_RAID4_H_ + +int +rf_ConfigureRAID4(RF_ShutdownList_t ** listp, RF_Raid_t * raidPtr, + RF_Config_t * cfgPtr); +int rf_GetDefaultNumFloatingReconBuffersRAID4(RF_Raid_t * raidPtr); +RF_HeadSepLimit_t rf_GetDefaultHeadSepLimitRAID4(RF_Raid_t * raidPtr); +void +rf_MapSectorRAID4(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector, + RF_RowCol_t * row, RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap); +void +rf_MapParityRAID4(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector, + RF_RowCol_t * row, RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap); +void +rf_IdentifyStripeRAID4(RF_Raid_t * raidPtr, RF_RaidAddr_t addr, + RF_RowCol_t ** diskids, RF_RowCol_t * outRow); +void +rf_MapSIDToPSIDRAID4(RF_RaidLayout_t * layoutPtr, + RF_StripeNum_t stripeID, RF_StripeNum_t * psID, + RF_ReconUnitNum_t * which_ru); +void +rf_RAID4DagSelect(RF_Raid_t * raidPtr, RF_IoType_t type, + RF_AccessStripeMap_t * asmap, RF_VoidFuncPtr * createFunc); + +#endif /* !_RF__RF_RAID4_H_ */ |
