sys/dev/raidframe/rf_raid1.h

   1 /*      $NetBSD: rf_raid1.h,v 1.8 2008/04/20 20:42:32 oster Exp $       */
   2 /*
   3  * Copyright (c) 1995 Carnegie-Mellon University.
   4  * All rights reserved.
   5  *
   6  * Author: William V. Courtright II
   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 /* header file for RAID Level 1 */
  30
  31 #ifndef _RF__RF_RAID1_H_
  32 #define _RF__RF_RAID1_H_
  33
  34 #include <dev/raidframe/raidframevar.h>
  35
  36 int rf_ConfigureRAID1(RF_ShutdownList_t **, RF_Raid_t *, RF_Config_t *);
  37 void rf_MapSectorRAID1(RF_Raid_t *, RF_RaidAddr_t, RF_RowCol_t *,
  38                        RF_SectorNum_t *, int);
  39 void rf_MapParityRAID1(RF_Raid_t *, RF_RaidAddr_t, RF_RowCol_t *,
  40                        RF_SectorNum_t *, int);
  41 void rf_IdentifyStripeRAID1(RF_Raid_t *, RF_RaidAddr_t, RF_RowCol_t **);
  42 void rf_MapSIDToPSIDRAID1(RF_RaidLayout_t *, RF_StripeNum_t, RF_StripeNum_t *,
  43                           RF_ReconUnitNum_t *);
  44 void rf_RAID1DagSelect(RF_Raid_t *, RF_IoType_t, RF_AccessStripeMap_t *,
  45                        RF_VoidFuncPtr *);
  46 int rf_VerifyParityRAID1(RF_Raid_t *, RF_RaidAddr_t, RF_PhysDiskAddr_t *,
  47                          int, RF_RaidAccessFlags_t);
  48 int rf_SubmitReconBufferRAID1(RF_ReconBuffer_t *, int, int);
  49 RF_HeadSepLimit_t rf_GetDefaultHeadSepLimitRAID1(RF_Raid_t *);
  50
  51 #endif                          /* !_RF__RF_RAID1_H_ */