f9d186edc8
world. This should be considered highly experimental. Approved-by: re
153 lines
6.0 KiB
C
153 lines
6.0 KiB
C
/* $FreeBSD$ */
|
|
/* $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_ */
|