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rf_netbsd.h revision 1.6 
      1 /*	$NetBSD: rf_netbsd.h,v 1.6 1999/05/13 21:46:17 ad Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Greg Oster; Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifndef _RF__RF_NETBSDSTUFF_H_
     40 #define _RF__RF_NETBSDSTUFF_H_
     41 
     42 #ifdef _KERNEL
     43 #include <sys/fcntl.h>
     44 #include <sys/systm.h>
     45 #include <sys/namei.h>
     46 #include <sys/vnode.h>
     47 #endif /* _KERNEL */
     48 
     49 /* The per-component label information that the user can set */
     50 typedef struct RF_ComponentInfo_s {
     51 	int row;              /* the row number of this component */
     52 	int column;           /* the column number of this component */
     53 	int serial_number;    /* a user-specified serial number for this
     54 				 RAID set */
     55 } RF_ComponentInfo_t;
     56 
     57 /* The per-component label information */
     58 typedef struct RF_ComponentLabel_s {
     59 	int version;          /* The version of this label. */
     60 	int serial_number;    /* a user-specified serial number for this
     61 				 RAID set */
     62 	int mod_counter;      /* modification counter.  Changed (usually
     63 				 by incrementing) every time the label
     64 				 is changed */
     65 	int row;              /* the row number of this component */
     66 	int column;           /* the column number of this component */
     67 	int num_rows;         /* number of rows in this RAID set */
     68 	int num_columns;      /* number of columns in this RAID set */
     69 	int clean;            /* 1 when clean, 0 when dirty */
     70 	int status;           /* rf_ds_optimal, rf_ds_dist_spared, whatever. */
     71 } RF_ComponentLabel_t;
     72 
     73 typedef struct RF_SingleComponent_s {
     74 	int row;
     75 	int column;
     76 	char component_name[50]; /* name of the component */
     77 } RF_SingleComponent_t;
     78 
     79 #ifdef _KERNEL
     80 
     81 /* XXX this is *not* the place for these... */
     82 int rf_add_hot_spare(RF_Raid_t *raidPtr, RF_SingleComponent_t *sparePtr);
     83 int rf_remove_hot_spare(RF_Raid_t *raidPtr, RF_SingleComponent_t *sparePtr);
     84 
     85 
     86 struct raidcinfo {
     87 	struct vnode *ci_vp;	/* component device's vnode */
     88 	dev_t   ci_dev;		/* component device's dev_t */
     89 	RF_ComponentLabel_t ci_label; /* components RAIDframe label */
     90 #if 0
     91 	size_t  ci_size;	/* size */
     92 	char   *ci_path;	/* path to component */
     93 	size_t  ci_pathlen;	/* length of component path */
     94 #endif
     95 };
     96 
     97 
     98 #endif /* _KERNEL */
     99 #endif /* _RF__RF_NETBSDSTUFF_H_ */
    100