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Annotation of sys/dev/raidframe/rf_pq.h, Revision 1.1.1.1

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_ */