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/* $OpenBSD: rf_driver.h,v 1.2 1999/02/16 00:02:41 niklas Exp $ */
/* $NetBSD: rf_driver.h,v 1.3 1999/02/05 00:06:11 oster Exp $ */
/*
* rf_driver.h
*/
/*
* Copyright (c) 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Jim Zelenka
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#ifndef _RF__RF_DRIVER_H_
#define _RF__RF_DRIVER_H_
#include "rf_threadstuff.h"
#include "rf_types.h"
RF_DECLARE_EXTERN_MUTEX(rf_printf_mutex)
int rf_BootRaidframe(void);
int rf_UnbootRaidframe(void);
int rf_Shutdown(RF_Raid_t * raidPtr);
int rf_Configure(RF_Raid_t * raidPtr, RF_Config_t * cfgPtr);
RF_RaidAccessDesc_t *rf_AllocRaidAccDesc(RF_Raid_t * raidPtr, RF_IoType_t type,
RF_RaidAddr_t raidAddress, RF_SectorCount_t numBlocks, caddr_t bufPtr,
void *bp, RF_DagHeader_t ** paramDAG, RF_AccessStripeMapHeader_t ** paramASM,
RF_RaidAccessFlags_t flags, void (*cbF) (struct buf *), void *cbA,
RF_AccessState_t * states);
void rf_FreeRaidAccDesc(RF_RaidAccessDesc_t * desc);
int rf_DoAccess(RF_Raid_t * raidPtr, RF_IoType_t type, int async_flag,
RF_RaidAddr_t raidAddress, RF_SectorCount_t numBlocks, caddr_t bufPtr,
void *bp_in, RF_DagHeader_t ** paramDAG,
RF_AccessStripeMapHeader_t ** paramASM, RF_RaidAccessFlags_t flags,
RF_RaidAccessDesc_t ** paramDesc, void (*cbF) (struct buf *), void *cbA);
int rf_SetReconfiguredMode(RF_Raid_t * raidPtr, RF_RowCol_t row,
RF_RowCol_t col);
int rf_FailDisk(RF_Raid_t * raidPtr, RF_RowCol_t frow, RF_RowCol_t fcol,
int initRecon);
void rf_SignalQuiescenceLock(RF_Raid_t * raidPtr, RF_RaidReconDesc_t * reconDesc);
int rf_SuspendNewRequestsAndWait(RF_Raid_t * raidPtr);
void rf_ResumeNewRequests(RF_Raid_t * raidPtr);
void rf_StartThroughputStats(RF_Raid_t * raidPtr);
void rf_StartUserStats(RF_Raid_t * raidPtr);
void rf_StopUserStats(RF_Raid_t * raidPtr);
void rf_UpdateUserStats(RF_Raid_t * raidPtr, int rt, int numsect);
void rf_PrintUserStats(RF_Raid_t * raidPtr);
#endif /* !_RF__RF_DRIVER_H_ */
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