Return to rf_dagutils.h CVS log

Up to [local] / sys / dev / raidframe

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

1.1     ! nbrk        1: /*     $OpenBSD: rf_dagutils.h,v 1.3 2002/12/16 07:01:03 tdeval Exp $  */
        !             2: /*     $NetBSD: rf_dagutils.h,v 1.3 1999/02/05 00:06:08 oster Exp $    */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1995 Carnegie-Mellon University.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Author: Mark Holland, William V. Courtright II
        !             9:  *
        !            10:  * Permission to use, copy, modify and distribute this software and
        !            11:  * its documentation is hereby granted, provided that both the copyright
        !            12:  * notice and this permission notice appear in all copies of the
        !            13:  * software, derivative works or modified versions, and any portions
        !            14:  * thereof, and that both notices appear in supporting documentation.
        !            15:  *
        !            16:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            17:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
        !            18:  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            19:  *
        !            20:  * Carnegie Mellon requests users of this software to return to
        !            21:  *
        !            22:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
        !            23:  *  School of Computer Science
        !            24:  *  Carnegie Mellon University
        !            25:  *  Pittsburgh PA 15213-3890
        !            26:  *
        !            27:  * any improvements or extensions that they make and grant Carnegie the
        !            28:  * rights to redistribute these changes.
        !            29:  */
        !            30:
        !            31: /*****************************************************************************
        !            32:  *
        !            33:  * rf_dagutils.h -- Header file for utility routines for manipulating DAGs.
        !            34:  *
        !            35:  *****************************************************************************/
        !            36:
        !            37:
        !            38: #include "rf_types.h"
        !            39: #include "rf_dagfuncs.h"
        !            40: #include "rf_general.h"
        !            41:
        !            42: #ifndef        _RF__RF_DAGUTILS_H_
        !            43: #define        _RF__RF_DAGUTILS_H_
        !            44:
        !            45: struct RF_RedFuncs_s {
        !            46:        int     (*regular) (RF_DagNode_t *);
        !            47:        char     *RegularName;
        !            48:        int     (*simple) (RF_DagNode_t *);
        !            49:        char     *SimpleName;
        !            50: };
        !            51:
        !            52: extern RF_RedFuncs_t rf_xorFuncs;
        !            53: extern RF_RedFuncs_t rf_xorRecoveryFuncs;
        !            54:
        !            55: void rf_InitNode(RF_DagNode_t *, RF_NodeStatus_t, int, int (*) (RF_DagNode_t *),
        !            56:        int (*) (RF_DagNode_t *), int (*) (RF_DagNode_t *, int), int, int, int,
        !            57:        int, RF_DagHeader_t *, char *, RF_AllocListElem_t *);
        !            58:
        !            59: void rf_FreeDAG(RF_DagHeader_t *);
        !            60:
        !            61: RF_PropHeader_t *rf_MakePropListEntry(RF_DagHeader_t *, int, int,
        !            62: RF_PropHeader_t *, RF_AllocListElem_t *);
        !            63:
        !            64: int  rf_ConfigureDAGs(RF_ShutdownList_t **);
        !            65:
        !            66: RF_DagHeader_t *rf_AllocDAGHeader(void);
        !            67:
        !            68: void rf_FreeDAGHeader(RF_DagHeader_t *);
        !            69:
        !            70: void *rf_AllocBuffer(RF_Raid_t *, RF_DagHeader_t *, RF_PhysDiskAddr_t *,
        !            71:        RF_AllocListElem_t *);
        !            72:
        !            73: char *rf_NodeStatusString(RF_DagNode_t *);
        !            74:
        !            75: void rf_PrintNodeInfoString(RF_DagNode_t *);
        !            76:
        !            77: int  rf_AssignNodeNums(RF_DagHeader_t *);
        !            78:
        !            79: int  rf_RecurAssignNodeNums(RF_DagNode_t *, int, int);
        !            80:
        !            81: void rf_ResetDAGHeaderPointers(RF_DagHeader_t *, RF_DagHeader_t *);
        !            82:
        !            83: void rf_RecurResetDAGHeaderPointers(RF_DagNode_t *, RF_DagHeader_t *);
        !            84:
        !            85: void rf_PrintDAGList(RF_DagHeader_t *);
        !            86:
        !            87: int  rf_ValidateDAG(RF_DagHeader_t *);
        !            88:
        !            89: void rf_redirect_asm(RF_Raid_t *, RF_AccessStripeMap_t *);
        !            90:
        !            91: void rf_MapUnaccessedPortionOfStripe(RF_Raid_t *, RF_RaidLayout_t *,
        !            92:        RF_AccessStripeMap_t *, RF_DagHeader_t *, RF_AccessStripeMapHeader_t **,
        !            93:        int *, char **, char **, RF_AllocListElem_t *);
        !            94:
        !            95: int  rf_PDAOverlap(RF_RaidLayout_t *, RF_PhysDiskAddr_t *, RF_PhysDiskAddr_t *);
        !            96:
        !            97: void rf_GenerateFailedAccessASMs(RF_Raid_t *, RF_AccessStripeMap_t *,
        !            98:        RF_PhysDiskAddr_t *, RF_DagHeader_t *, RF_AccessStripeMapHeader_t **,
        !            99:        int *, char **, char *, RF_AllocListElem_t *);
        !           100:
        !           101: /* Flags used by RangeRestrictPDA. */
        !           102: #define        RF_RESTRICT_NOBUFFER    0
        !           103: #define        RF_RESTRICT_DOBUFFER    1
        !           104:
        !           105: void rf_RangeRestrictPDA(RF_Raid_t *, RF_PhysDiskAddr_t *, RF_PhysDiskAddr_t *,
        !           106:        int, int);
        !           107:
        !           108: int  rf_compute_workload_shift(RF_Raid_t *, RF_PhysDiskAddr_t *);
        !           109: void rf_SelectMirrorDiskIdle(RF_DagNode_t *);
        !           110: void rf_SelectMirrorDiskPartition(RF_DagNode_t *);
        !           111:
        !           112: #endif /* ! _RF__RF_DAGUTILS_H_ */