xref: /src/sys/dev/raidframe/rf_driver.h

/*	$NetBSD: rf_driver.h,v 1.2 1999/01/26 02:33:57 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 (at) 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_ */