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/* $FreeBSD$ */
/* $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_BSD_H_
#define _RF__RF_BSD_H_
#ifdef _KERNEL
#include <sys/fcntl.h>
#include <sys/systm.h>
#include <sys/namei.h>
#include <sys/vnode.h>
#include "opt_raid.h"
#ifdef RAID_DEBUG
#define rf_printf(lvl, fmt, args...) \
do { \
if (lvl <= RAID_DEBUG) printf(fmt, ##args); \
} while(0)
#else /* DEBUG */
#define rf_printf(lvl, fmt, args...) { }
#endif /* DEBUG */
#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 is will
done first, (and would become raid0).
This may be in conflict with last_unit!!?! */
/* Not currently used. */
int future_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; /* Mr. 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_BSD_H_ */
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