1 /* $NetBSD: rf_driver.h,v 1.4 2000/02/13 04:53:57 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@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, RF_DagHeader_t ** paramDAG, 51 RF_AccessStripeMapHeader_t ** paramASM, 52 RF_RaidAccessFlags_t flags, 53 void (*cbF) (struct buf *), 54 void *cbA, 55 RF_AccessState_t * states); 56 void rf_FreeRaidAccDesc(RF_RaidAccessDesc_t * desc); 57 int rf_DoAccess(RF_Raid_t * raidPtr, RF_IoType_t type, int async_flag, 58 RF_RaidAddr_t raidAddress, RF_SectorCount_t numBlocks, 59 caddr_t bufPtr, void *bp_in, RF_DagHeader_t ** paramDAG, 60 RF_AccessStripeMapHeader_t ** paramASM, 61 RF_RaidAccessFlags_t flags, 62 RF_RaidAccessDesc_t ** paramDesc, 63 void (*cbF) (struct buf *), void *cbA); 64 int rf_SetReconfiguredMode(RF_Raid_t * raidPtr, RF_RowCol_t row, 65 RF_RowCol_t col); 66 int rf_FailDisk(RF_Raid_t * raidPtr, RF_RowCol_t frow, RF_RowCol_t fcol, 67 int initRecon); 68 void rf_SignalQuiescenceLock(RF_Raid_t * raidPtr, 69 RF_RaidReconDesc_t * reconDesc); 70 int rf_SuspendNewRequestsAndWait(RF_Raid_t * raidPtr); 71 void rf_ResumeNewRequests(RF_Raid_t * raidPtr); 72 void rf_StartThroughputStats(RF_Raid_t * raidPtr); 73 void rf_StartUserStats(RF_Raid_t * raidPtr); 74 void rf_StopUserStats(RF_Raid_t * raidPtr); 75 void rf_UpdateUserStats(RF_Raid_t * raidPtr, int rt, int numsect); 76 void rf_PrintUserStats(RF_Raid_t * raidPtr); 77 #endif /* _KERNEL */ 78 #endif /* !_RF__RF_DRIVER_H_ */ 79