sys/dev/raidframe/rf_kintf.h

   1 /*      $NetBSD: rf_kintf.h,v 1.20 2006/08/27 05:07:12 christos Exp $   */
   2 /*
   3  * rf_kintf.h
   4  *
   5  * RAIDframe exported kernel interface
   6  */
   7 /*
   8  * Copyright (c) 1995 Carnegie-Mellon University.
   9  * All rights reserved.
  10  *
  11  * Author: Jim Zelenka
  12  *
  13  * Permission to use, copy, modify and distribute this software and
  14  * its documentation is hereby granted, provided that both the copyright
  15  * notice and this permission notice appear in all copies of the
  16  * software, derivative works or modified versions, and any portions
  17  * thereof, and that both notices appear in supporting documentation.
  18  *
  19  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  20  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
  21  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  22  *
  23  * Carnegie Mellon requests users of this software to return to
  24  *
  25  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  26  *  School of Computer Science
  27  *  Carnegie Mellon University
  28  *  Pittsburgh PA 15213-3890
  29  *
  30  * any improvements or extensions that they make and grant Carnegie the
  31  * rights to redistribute these changes.
  32  */
  33
  34 #ifndef _RF__RF_KINTF_H_
  35 #define _RF__RF_KINTF_H_
  36
  37 #include <dev/raidframe/raidframevar.h>
  38
  39 int     rf_GetSpareTableFromDaemon(RF_SparetWait_t * req);
  40
  41 void    raidstart(RF_Raid_t * raidPtr);
  42 int     rf_DispatchKernelIO(RF_DiskQueue_t * queue, RF_DiskQueueData_t * req);
  43
  44 int raidfetch_component_label(RF_Raid_t *, RF_RowCol_t);
  45 RF_ComponentLabel_t *raidget_component_label(RF_Raid_t *, RF_RowCol_t);
  46 int raidflush_component_label(RF_Raid_t *, RF_RowCol_t);
  47
  48 void rf_paritymap_kern_write(RF_Raid_t *, struct rf_paritymap_ondisk *);
  49 void rf_paritymap_kern_read(RF_Raid_t *, struct rf_paritymap_ondisk *);
  50
  51 #define RF_NORMAL_COMPONENT_UPDATE 0
  52 #define RF_FINAL_COMPONENT_UPDATE 1
  53 void rf_update_component_labels(RF_Raid_t *, int);
  54 int raidmarkclean(RF_Raid_t *, RF_RowCol_t);
  55 int raidmarkdirty(RF_Raid_t *, RF_RowCol_t);
  56 void raid_init_component_label(RF_Raid_t *, RF_ComponentLabel_t *);
  57 void rf_print_component_label(RF_ComponentLabel_t *);
  58 void rf_UnconfigureVnodes( RF_Raid_t * );
  59 void rf_close_component( RF_Raid_t *, struct vnode *, int);
  60 void rf_disk_unbusy(RF_RaidAccessDesc_t *);
  61 int rf_getdisksize(struct vnode *, struct lwp *, RF_RaidDisk_t *);
  62 int rf_sync_component_caches(RF_Raid_t *raidPtr);
  63 #endif                          /* _RF__RF_KINTF_H_ */
  64