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rf_kintf.h revision 1.23 
      1 /*	$NetBSD: rf_kintf.h,v 1.23 2011/08/03 14:44:38 oster 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 (at) 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 int rf_reasonable_label(RF_ComponentLabel_t *, uint64_t);
     41 
     42 
     43 void    raidstart(RF_Raid_t * raidPtr);
     44 int     rf_DispatchKernelIO(RF_DiskQueue_t * queue, RF_DiskQueueData_t * req);
     45 
     46 int raidfetch_component_label(RF_Raid_t *, RF_RowCol_t);
     47 RF_ComponentLabel_t *raidget_component_label(RF_Raid_t *, RF_RowCol_t);
     48 int raidflush_component_label(RF_Raid_t *, RF_RowCol_t);
     49 
     50 void rf_paritymap_kern_write(RF_Raid_t *, struct rf_paritymap_ondisk *);
     51 void rf_paritymap_kern_read(RF_Raid_t *, struct rf_paritymap_ondisk *);
     52 
     53 #define RF_NORMAL_COMPONENT_UPDATE 0
     54 #define RF_FINAL_COMPONENT_UPDATE 1
     55 void rf_update_component_labels(RF_Raid_t *, int);
     56 int raidmarkclean(RF_Raid_t *, RF_RowCol_t);
     57 int raidmarkdirty(RF_Raid_t *, RF_RowCol_t);
     58 void raid_init_component_label(RF_Raid_t *, RF_ComponentLabel_t *);
     59 void rf_print_component_label(RF_ComponentLabel_t *);
     60 void rf_UnconfigureVnodes( RF_Raid_t * );
     61 void rf_close_component( RF_Raid_t *, struct vnode *, int);
     62 void rf_disk_unbusy(RF_RaidAccessDesc_t *);
     63 int rf_getdisksize(struct vnode *, RF_RaidDisk_t *);
     64 int rf_sync_component_caches(RF_Raid_t *raidPtr);
     65 #endif				/* _RF__RF_KINTF_H_ */
     66 
     67