1 /* $NetBSD: rf_driver.h,v 1.20 2015/12/26 00:58:45 pgoyette 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@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, int, 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