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      1 /*	$NetBSD: rf_driver.h,v 1.21 2021/07/23 02:35:14 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 <dev/raidframe/raidframevar.h>
     36 
     37 #include "rf_threadstuff.h"
     38 #include "rf_netbsd.h"
     39 
     40 #ifndef RF_RETRY_THRESHOLD
     41 #define RF_RETRY_THRESHOLD 5
     42 #endif
     43 
     44 extern rf_declare_mutex2(rf_printf_mutex);
     45 int rf_BootRaidframe(bool);
     46 int rf_UnbootRaidframe(void);
     47 int rf_Shutdown(RF_Raid_t *);
     48 int rf_Configure(RF_Raid_t *, RF_Config_t *, RF_AutoConfig_t *);
     49 RF_RaidAccessDesc_t *rf_AllocRaidAccDesc(RF_Raid_t *, RF_IoType_t,
     50 					 RF_RaidAddr_t, RF_SectorCount_t,
     51 					 void *, void *,
     52 					 RF_RaidAccessFlags_t,
     53 					 const RF_AccessState_t *);
     54 void rf_FreeRaidAccDesc(RF_RaidAccessDesc_t *);
     55 int rf_DoAccess(RF_Raid_t *, RF_IoType_t, RF_RaidAddr_t,
     56 		RF_SectorCount_t, void *, struct buf *,
     57 		RF_RaidAccessFlags_t);
     58 #if 0
     59 int rf_SetReconfiguredMode(RF_Raid_t *, RF_RowCol_t, RF_RowCol_t);
     60 #endif
     61 int rf_FailDisk(RF_Raid_t *, RF_RowCol_t, int);
     62 void rf_SignalQuiescenceLock(RF_Raid_t *);
     63 int rf_SuspendNewRequestsAndWait(RF_Raid_t *);
     64 void rf_ResumeNewRequests(RF_Raid_t *);
     65 
     66 #endif				/* !_RF__RF_DRIVER_H_ */
     67