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Annotation of sys/dev/raidframe/rf_pq.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: rf_pq.h,v 1.3 2002/12/16 07:01:04 tdeval Exp $        */
        !             2: /*     $NetBSD: rf_pq.h,v 1.3 1999/02/05 00:06:15 oster Exp $  */
        !             3:
        !             4: /*
        !             5:  * rf_pq.h
        !             6:  */
        !             7: /*
        !             8:  * Copyright (c) 1995 Carnegie-Mellon University.
        !             9:  * All rights reserved.
        !            10:  *
        !            11:  * Author: Daniel Stodolsky
        !            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_PQ_H_
        !            35: #define        _RF__RF_PQ_H_
        !            36:
        !            37: #include "rf_archs.h"
        !            38:
        !            39: extern RF_RedFuncs_t rf_pFuncs;
        !            40: extern RF_RedFuncs_t rf_pRecoveryFuncs;
        !            41:
        !            42: int  rf_RegularONPFunc(RF_DagNode_t *);
        !            43: int  rf_SimpleONPFunc(RF_DagNode_t *);
        !            44: int  rf_RecoveryPFunc(RF_DagNode_t *);
        !            45: int  rf_RegularPFunc(RF_DagNode_t *);
        !            46:
        !            47: #if    (RF_INCLUDE_DECL_PQ > 0) || (RF_INCLUDE_RAID6 > 0)
        !            48:
        !            49: extern RF_RedFuncs_t rf_qFuncs;
        !            50: extern RF_RedFuncs_t rf_qRecoveryFuncs;
        !            51: extern RF_RedFuncs_t rf_pqRecoveryFuncs;
        !            52:
        !            53: void rf_PQDagSelect(RF_Raid_t *, RF_IoType_t, RF_AccessStripeMap_t *,
        !            54:        RF_VoidFuncPtr *);
        !            55: RF_CREATE_DAG_FUNC_DECL(rf_PQCreateLargeWriteDAG);
        !            56: int  rf_RegularONQFunc(RF_DagNode_t *);
        !            57: int  rf_SimpleONQFunc(RF_DagNode_t *);
        !            58: RF_CREATE_DAG_FUNC_DECL(rf_PQCreateSmallWriteDAG);
        !            59: int  rf_RegularPQFunc(RF_DagNode_t *);
        !            60: int  rf_RegularQFunc(RF_DagNode_t *);
        !            61: void rf_Degraded_100_PQFunc(RF_DagNode_t *);
        !            62: int  rf_RecoveryQFunc(RF_DagNode_t *);
        !            63: int  rf_RecoveryPQFunc(RF_DagNode_t *);
        !            64: void rf_PQ_DegradedWriteQFunc(RF_DagNode_t *);
        !            65: void rf_IncQ(unsigned long *, unsigned long *, unsigned, unsigned);
        !            66: void rf_PQ_recover(unsigned long *, unsigned long *, unsigned long *,
        !            67:        unsigned long *, unsigned, unsigned, unsigned);
        !            68:
        !            69: #endif /* (RF_INCLUDE_DECL_PQ > 0) || (RF_INCLUDE_RAID6 > 0) */
        !            70:
        !            71: #endif /* !_RF__RF_PQ_H_ */