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      1 /*	$NetBSD: rf_disks.h,v 1.15 2023/09/17 20:07:39 oster Exp $	*/
      2 /*
      3  * Copyright (c) 1995 Carnegie-Mellon University.
      4  * All rights reserved.
      5  *
      6  * Author: Mark Holland
      7  *
      8  * Permission to use, copy, modify and distribute this software and
      9  * its documentation is hereby granted, provided that both the copyright
     10  * notice and this permission notice appear in all copies of the
     11  * software, derivative works or modified versions, and any portions
     12  * thereof, and that both notices appear in supporting documentation.
     13  *
     14  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     15  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     16  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     17  *
     18  * Carnegie Mellon requests users of this software to return to
     19  *
     20  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     21  *  School of Computer Science
     22  *  Carnegie Mellon University
     23  *  Pittsburgh PA 15213-3890
     24  *
     25  * any improvements or extensions that they make and grant Carnegie the
     26  * rights to redistribute these changes.
     27  */
     28 
     29 /*
     30  * rf_disks.h -- header file for code related to physical disks
     31  */
     32 
     33 #ifndef _RF__RF_DISKS_H_
     34 #define _RF__RF_DISKS_H_
     35 
     36 #include <sys/types.h>
     37 
     38 #include <dev/raidframe/raidframevar.h>
     39 #include "rf_archs.h"
     40 #include "rf_netbsd.h"
     41 
     42 /* if a disk is in any of these states, it is inaccessible */
     43 #define RF_DEAD_DISK(_dstat_) (((_dstat_) == rf_ds_spared) || \
     44 	((_dstat_) == rf_ds_reconstructing) || ((_dstat_) == rf_ds_failed) || \
     45 	((_dstat_) == rf_ds_dist_spared))
     46 
     47 int rf_ConfigureDisks(RF_ShutdownList_t **, RF_Raid_t *, RF_Config_t *);
     48 int rf_ConfigureSpareDisks(RF_ShutdownList_t **, RF_Raid_t *, RF_Config_t *);
     49 int rf_ConfigureDisk(RF_Raid_t *, char *, RF_RaidDisk_t *, RF_RowCol_t);
     50 int rf_AutoConfigureDisks(RF_Raid_t *, RF_Config_t *, RF_AutoConfig_t *);
     51 int rf_CheckLabels(RF_Raid_t *, RF_Config_t *);
     52 int rf_add_hot_spare(RF_Raid_t *, RF_SingleComponent_t *);
     53 int rf_remove_hot_spare(RF_Raid_t *, RF_SingleComponent_t *);
     54 int rf_delete_component(RF_Raid_t *r, RF_SingleComponent_t *);
     55 int rf_remove_component(RF_Raid_t *r, RF_SingleComponent_t *);
     56 int rf_incorporate_hot_spare(RF_Raid_t *, RF_SingleComponent_t *);
     57 void rf_swap_components(RF_Raid_t *, int, int);
     58 
     59 #endif /* !_RF__RF_DISKS_H_ */
     60