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/* $OpenBSD: rf_netbsd.h,v 1.6 2002/12/16 07:01:04 tdeval Exp $ */
/* $NetBSD: rf_netbsd.h,v 1.12 2000/05/28 22:53:49 oster Exp $ */
/*
* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Greg Oster; Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RF__RF_NETBSDSTUFF_H_
#define _RF__RF_NETBSDSTUFF_H_
#ifdef _KERNEL
#include <sys/fcntl.h>
#include <sys/systm.h>
#include <sys/namei.h>
#include <sys/vnode.h>
#endif /* _KERNEL */
/* The per-component label information that the user can set. */
typedef struct RF_ComponentInfo_s {
int row; /* The row number of this component. */
int column; /* The column number of this component. */
int serial_number; /*
* A user-specified serial number for this
* RAID set.
*/
} RF_ComponentInfo_t;
/* The per-component label information */
typedef struct RF_ComponentLabel_s {
int version; /* The version of this label. */
int serial_number; /*
* A user-specified serial number for this
* RAID set.
*/
int mod_counter; /*
* Modification counter. Changed (usually
* by incrementing) every time the label
* is changed.
*/
int row; /* The row number of this component. */
int column; /* The column number of this component. */
int num_rows; /* Number of rows in this RAID set. */
int num_columns; /* Number of columns in this RAID set. */
int clean; /* 1 when clean, 0 when dirty. */
int status; /*
* rf_ds_optimal, rf_ds_dist_spared, whatever.
*/
/* Stuff that will be in version 2 of the label. */
int sectPerSU; /* Sectors per Stripe Unit. */
int SUsPerPU; /* Stripe Units per Parity Units. */
int SUsPerRU; /* Stripe Units per Reconstruction Units. */
int parityConfig; /* '0' == RAID0, '1' == RAID1, etc. */
int maxOutstanding; /* maxOutstanding disk requests. */
int blockSize; /*
* Size of component block.
* (disklabel->d_secsize)
*/
int numBlocks; /*
* Number of blocks on this component.
* May be smaller than the partition size.
*/
int partitionSize; /*
* Number of blocks on this *partition*.
* Must exactly match the partition size
* from the disklabel.
*/
int future_use[33]; /* Future expansion. */
int autoconfigure; /*
* Automatically configure this RAID set.
* 0 == no, 1 == yes
*/
int root_partition; /*
* Use this set as :
* 0 == no, 1 == yes
*/
int last_unit; /*
* Last unit number (e.g. 0 for /dev/raid0)
* of this component. Used for autoconfigure
* only.
*/
int config_order; /*
* 0 .. n. The order in which the component
* should be auto-configured. E.g. 0 will be
* done first, (and would become raid0).
* This may be in conflict with last_unit !!?!
*/
/* Not currently used. */
int fut_use2[44]; /* More future expansion. */
} RF_ComponentLabel_t;
typedef struct RF_SingleComponent_s {
int row;
int column;
char component_name[50]; /* Name of the component. */
} RF_SingleComponent_t;
#ifdef _KERNEL
struct raidcinfo {
struct vnode *ci_vp; /* Component device's vnode. */
dev_t ci_dev; /* Component device's dev_t. */
RF_ComponentLabel_t ci_label; /* Components RAIDframe label. */
#if 0
size_t ci_size; /* Size. */
char *ci_path; /* Path to component. */
size_t ci_pathlen; /* Length of component path. */
#endif
};
/* XXX Probably belongs in a different .h file. */
typedef struct RF_AutoConfig_s {
char devname[56]; /*
* The name of this component.
*/
int flag; /* A general-purpose flag. */
dev_t dev; /*
* The device for this
* component.
*/
struct vnode *vp; /* Master Vnode Pointer. */
RF_ComponentLabel_t *clabel; /* The label. */
struct RF_AutoConfig_s *next; /*
* The next autoconfig
* structure in this set.
*/
} RF_AutoConfig_t;
typedef struct RF_ConfigSet_s {
struct RF_AutoConfig_s *ac; /*
* All of the autoconfig
* structures for this
* config set.
*/
int rootable; /*
* Set to 1 if this set can
* be root.
*/
struct RF_ConfigSet_s *next;
} RF_ConfigSet_t;
#endif /* _KERNEL */
#endif /* _RF__RF_NETBSDSTUFF_H_ */
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