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rf_driver.h revision 1.5 
      1 /*	$NetBSD: rf_driver.h,v 1.5 2001/07/27 03:30:07 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 #include "rf_netbsd.h"
     38 
     39 #if _KERNEL
     40 RF_DECLARE_EXTERN_MUTEX(rf_printf_mutex)
     41 int     rf_BootRaidframe(void);
     42 int     rf_UnbootRaidframe(void);
     43 int     rf_Shutdown(RF_Raid_t * raidPtr);
     44 int     rf_Configure(RF_Raid_t * raidPtr, RF_Config_t * cfgPtr,
     45 		     RF_AutoConfig_t *ac);
     46 RF_RaidAccessDesc_t *rf_AllocRaidAccDesc(RF_Raid_t * raidPtr, RF_IoType_t type,
     47 					 RF_RaidAddr_t raidAddress,
     48 					 RF_SectorCount_t numBlocks,
     49 					 caddr_t bufPtr,
     50 					 void *bp,
     51 					 RF_RaidAccessFlags_t flags,
     52 					 RF_AccessState_t * states);
     53 void    rf_FreeRaidAccDesc(RF_RaidAccessDesc_t * desc);
     54 int     rf_DoAccess(RF_Raid_t * raidPtr, RF_IoType_t type, int async_flag,
     55 		    RF_RaidAddr_t raidAddress, RF_SectorCount_t numBlocks,
     56 		    caddr_t bufPtr, void *bp_in,
     57 		    RF_RaidAccessFlags_t flags);
     58 int     rf_SetReconfiguredMode(RF_Raid_t * raidPtr, RF_RowCol_t row,
     59 			       RF_RowCol_t col);
     60 int     rf_FailDisk(RF_Raid_t * raidPtr, RF_RowCol_t frow, RF_RowCol_t fcol,
     61 		    int initRecon);
     62 void    rf_SignalQuiescenceLock(RF_Raid_t * raidPtr,
     63 				RF_RaidReconDesc_t * reconDesc);
     64 int     rf_SuspendNewRequestsAndWait(RF_Raid_t * raidPtr);
     65 void    rf_ResumeNewRequests(RF_Raid_t * raidPtr);
     66 void    rf_StartThroughputStats(RF_Raid_t * raidPtr);
     67 void    rf_StartUserStats(RF_Raid_t * raidPtr);
     68 void    rf_StopUserStats(RF_Raid_t * raidPtr);
     69 void    rf_UpdateUserStats(RF_Raid_t * raidPtr, int rt, int numsect);
     70 void    rf_PrintUserStats(RF_Raid_t * raidPtr);
     71 #endif /* _KERNEL */
     72 #endif				/* !_RF__RF_DRIVER_H_ */
     73