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rf_driver.h revision 1.2 
      1 /*	$NetBSD: rf_driver.h,v 1.2 1999/01/26 02:33:57 oster Exp $	*/
      2 /*
      3  * rf_driver.h
      4  */
      5 /*
      6  * Copyright (c) 1996 Carnegie-Mellon University.
      7  * All rights reserved.
      8  *
      9  * Author: Jim Zelenka
     10  *
     11  * Permission to use, copy, modify and distribute this software and
     12  * its documentation is hereby granted, provided that both the copyright
     13  * notice and this permission notice appear in all copies of the
     14  * software, derivative works or modified versions, and any portions
     15  * thereof, and that both notices appear in supporting documentation.
     16  *
     17  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     18  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     19  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     20  *
     21  * Carnegie Mellon requests users of this software to return to
     22  *
     23  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     24  *  School of Computer Science
     25  *  Carnegie Mellon University
     26  *  Pittsburgh PA 15213-3890
     27  *
     28  * any improvements or extensions that they make and grant Carnegie the
     29  * rights to redistribute these changes.
     30  */
     31 
     32 #ifndef _RF__RF_DRIVER_H_
     33 #define _RF__RF_DRIVER_H_
     34 
     35 #include "rf_threadstuff.h"
     36 #include "rf_types.h"
     37 
     38 RF_DECLARE_EXTERN_MUTEX(rf_printf_mutex)
     39 
     40 int rf_BootRaidframe(void);
     41 int rf_UnbootRaidframe(void);
     42 int rf_Shutdown(RF_Raid_t *raidPtr);
     43 int rf_Configure(RF_Raid_t *raidPtr, RF_Config_t *cfgPtr);
     44 RF_RaidAccessDesc_t *rf_AllocRaidAccDesc(RF_Raid_t *raidPtr, RF_IoType_t type,
     45 	RF_RaidAddr_t raidAddress, RF_SectorCount_t numBlocks, caddr_t bufPtr,
     46 	void *bp, RF_DagHeader_t **paramDAG, RF_AccessStripeMapHeader_t **paramASM,
     47 	RF_RaidAccessFlags_t flags, void (*cbF)(struct buf *), void *cbA,
     48 	RF_AccessState_t *states);
     49 void rf_FreeRaidAccDesc(RF_RaidAccessDesc_t *desc);
     50 int rf_DoAccess(RF_Raid_t *raidPtr, RF_IoType_t type, int async_flag,
     51 	RF_RaidAddr_t raidAddress, RF_SectorCount_t numBlocks, caddr_t bufPtr,
     52 	void *bp_in, RF_DagHeader_t **paramDAG,
     53 	RF_AccessStripeMapHeader_t **paramASM, RF_RaidAccessFlags_t flags,
     54 	RF_RaidAccessDesc_t **paramDesc, void (*cbF)(struct buf *), void *cbA);
     55 int rf_SetReconfiguredMode(RF_Raid_t *raidPtr, RF_RowCol_t row,
     56 	RF_RowCol_t col);
     57 int rf_FailDisk(RF_Raid_t *raidPtr, RF_RowCol_t frow, RF_RowCol_t fcol,
     58 	int initRecon);
     59 void rf_SignalQuiescenceLock(RF_Raid_t *raidPtr, RF_RaidReconDesc_t *reconDesc);
     60 int  rf_SuspendNewRequestsAndWait(RF_Raid_t *raidPtr);
     61 void rf_ResumeNewRequests(RF_Raid_t *raidPtr);
     62 void rf_StartThroughputStats(RF_Raid_t *raidPtr);
     63 void rf_StartUserStats(RF_Raid_t *raidPtr);
     64 void rf_StopUserStats(RF_Raid_t *raidPtr);
     65 void rf_UpdateUserStats(RF_Raid_t *raidPtr, int rt, int numsect);
     66 void rf_PrintUserStats(RF_Raid_t *raidPtr);
     67 
     68 #endif /* !_RF__RF_DRIVER_H_ */
     69