sys/dev/raidframe/rf_driver.h

   1 /*      $NetBSD: rf_driver.h,v 1.16 2005/12/11 12:23:37 christos 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 RF_DECLARE_EXTERN_MUTEX(rf_printf_mutex)
  45 int rf_BootRaidframe(void);
  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_ */