Return to rf_fifo.h CVS log

Up to [local] / sys / dev / raidframe

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

1.1     ! nbrk        1: /*     $OpenBSD: rf_fifo.h,v 1.3 2002/12/16 07:01:04 tdeval Exp $      */
        !             2: /*     $NetBSD: rf_fifo.h,v 1.3 1999/02/05 00:06:11 oster Exp $        */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1995 Carnegie-Mellon University.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Author: Mark Holland
        !             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:  * rf_fifo.h --  prioritized FIFO queue code.
        !            33:  *
        !            34:  * 4-9-93 Created (MCH)
        !            35:  */
        !            36:
        !            37:
        !            38: #ifndef        _RF__RF_FIFO_H_
        !            39: #define        _RF__RF_FIFO_H_
        !            40:
        !            41: #include "rf_archs.h"
        !            42: #include "rf_types.h"
        !            43: #include "rf_diskqueue.h"
        !            44:
        !            45: typedef struct RF_FifoHeader_s {
        !            46:        RF_DiskQueueData_t *hq_head, *hq_tail;  /* high priority requests */
        !            47:        RF_DiskQueueData_t *lq_head, *lq_tail;  /* low priority requests */
        !            48:        int                 hq_count, lq_count; /* debug only */
        !            49: }      RF_FifoHeader_t;
        !            50:
        !            51: extern void *rf_FifoCreate(RF_SectorCount_t, RF_AllocListElem_t *,
        !            52:        RF_ShutdownList_t **);
        !            53: extern void rf_FifoEnqueue(void *, RF_DiskQueueData_t *, int);
        !            54: extern RF_DiskQueueData_t *rf_FifoDequeue(void *);
        !            55: extern RF_DiskQueueData_t *rf_FifoPeek(void *);
        !            56: extern int rf_FifoPromote(void *, RF_StripeNum_t, RF_ReconUnitNum_t);
        !            57:
        !            58: #endif /* !_RF__RF_FIFO_H_ */