root/dev/raidframe/rf_driver.h

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INCLUDED FROM

    1 /*      $OpenBSD: rf_driver.h,v 1.4 2002/12/16 07:01:03 tdeval Exp $    */
    2 /*      $NetBSD: rf_driver.h,v 1.4 2000/02/13 04:53:57 oster Exp $      */
    3 
    4 /*
    5  * rf_driver.h
    6  */
    7 /*
    8  * Copyright (c) 1996 Carnegie-Mellon University.
    9  * All rights reserved.
   10  *
   11  * Author: Jim Zelenka
   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_DRIVER_H_
   35 #define _RF__RF_DRIVER_H_
   36 
   37 #include "rf_threadstuff.h"
   38 #include "rf_types.h"
   39 
   40 #if     defined(__NetBSD__)
   41 #include "rf_netbsd.h"
   42 #elif   defined(__OpenBSD__)
   43 #include "rf_openbsd.h"
   44 #endif
   45 
   46 #if     _KERNEL
   47 RF_DECLARE_EXTERN_MUTEX(rf_printf_mutex);
   48 int  rf_BootRaidframe(void);
   49 int  rf_UnbootRaidframe(void);
   50 int  rf_Shutdown(RF_Raid_t *);
   51 int  rf_Configure(RF_Raid_t *, RF_Config_t *, RF_AutoConfig_t *);
   52 RF_RaidAccessDesc_t *rf_AllocRaidAccDesc(RF_Raid_t *, RF_IoType_t,
   53         RF_RaidAddr_t, RF_SectorCount_t, caddr_t, void *, RF_DagHeader_t **,
   54         RF_AccessStripeMapHeader_t **, RF_RaidAccessFlags_t,
   55         void (*) (struct buf *), void *, RF_AccessState_t *);
   56 void rf_FreeRaidAccDesc(RF_RaidAccessDesc_t *);
   57 int  rf_DoAccess(RF_Raid_t *, RF_IoType_t, int, RF_RaidAddr_t,
   58         RF_SectorCount_t, caddr_t, void *, RF_DagHeader_t **,
   59         RF_AccessStripeMapHeader_t **, RF_RaidAccessFlags_t,
   60         RF_RaidAccessDesc_t **, void (*) (struct buf *), void *);
   61 int  rf_SetReconfiguredMode(RF_Raid_t *, RF_RowCol_t, RF_RowCol_t);
   62 int  rf_FailDisk(RF_Raid_t *, RF_RowCol_t, RF_RowCol_t, int);
   63 void rf_SignalQuiescenceLock(RF_Raid_t *, RF_RaidReconDesc_t *);
   64 int  rf_SuspendNewRequestsAndWait(RF_Raid_t *);
   65 void rf_ResumeNewRequests(RF_Raid_t *);
   66 void rf_StartThroughputStats(RF_Raid_t *);
   67 void rf_StartUserStats(RF_Raid_t *);
   68 void rf_StopUserStats(RF_Raid_t *);
   69 void rf_UpdateUserStats(RF_Raid_t *, int, int);
   70 void rf_PrintUserStats(RF_Raid_t *);
   71 #endif  /* _KERNEL */
   72 
   73 #endif  /* !_RF__RF_DRIVER_H_ */
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