The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/raidframe/rf_raid0.h

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    1 /*      $NetBSD: rf_raid0.h,v 1.4 2003/12/29 02:38:18 oster Exp $       */
    2 /*
    3  * Copyright (c) 1995 Carnegie-Mellon University.
    4  * All rights reserved.
    5  *
    6  * Author: Mark Holland
    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@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 /* rf_raid0.h - header file for RAID Level 0 */
   30 
   31 #ifndef _RF__RF_RAID0_H_
   32 #define _RF__RF_RAID0_H_
   33 
   34 int 
   35 rf_ConfigureRAID0(RF_ShutdownList_t ** listp, RF_Raid_t * raidPtr,
   36     RF_Config_t * cfgPtr);
   37 void 
   38 rf_MapSectorRAID0(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
   39     RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
   40 void 
   41 rf_MapParityRAID0(RF_Raid_t * raidPtr, RF_RaidAddr_t raidSector,
   42     RF_RowCol_t * col, RF_SectorNum_t * diskSector, int remap);
   43 void 
   44 rf_IdentifyStripeRAID0(RF_Raid_t * raidPtr, RF_RaidAddr_t addr,
   45     RF_RowCol_t ** diskids);
   46 void 
   47 rf_MapSIDToPSIDRAID0(RF_RaidLayout_t * layoutPtr,
   48     RF_StripeNum_t stripeID, RF_StripeNum_t * psID,
   49     RF_ReconUnitNum_t * which_ru);
   50 void 
   51 rf_RAID0DagSelect(RF_Raid_t * raidPtr, RF_IoType_t type,
   52     RF_AccessStripeMap_t * asmap, RF_VoidFuncPtr * createFunc);
   53 int 
   54 rf_VerifyParityRAID0(RF_Raid_t * raidPtr, RF_RaidAddr_t raidAddr,
   55     RF_PhysDiskAddr_t * parityPDA, int correct_it, RF_RaidAccessFlags_t flags);
   56 
   57 #endif                          /* !_RF__RF_RAID0_H_ */

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