153 lines
6.0 KiB
C
153 lines
6.0 KiB
C
/* $FreeBSD$ */
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/* $NetBSD: rf_netbsd.h,v 1.12 2000/05/28 22:53:49 oster Exp $ */
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/*-
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* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Greg Oster; Jason R. Thorpe.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _RF__RF_BSD_H_
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#define _RF__RF_BSD_H_
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#ifdef _KERNEL
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#include <sys/fcntl.h>
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#include <sys/systm.h>
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#include <sys/namei.h>
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#include <sys/vnode.h>
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#include "opt_raid.h"
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#ifdef RAID_DEBUG
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#define rf_printf(lvl, fmt, args...) \
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do { \
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if (lvl <= RAID_DEBUG) printf(fmt, ##args); \
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} while(0)
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#else /* DEBUG */
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#define rf_printf(lvl, fmt, args...) { }
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#endif /* DEBUG */
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#endif /* _KERNEL */
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/* The per-component label information that the user can set */
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typedef struct RF_ComponentInfo_s {
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int row; /* the row number of this component */
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int column; /* the column number of this component */
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int serial_number; /* a user-specified serial number for this
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RAID set */
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} RF_ComponentInfo_t;
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/* The per-component label information */
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typedef struct RF_ComponentLabel_s {
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int version; /* The version of this label. */
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int serial_number; /* a user-specified serial number for this
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RAID set */
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int mod_counter; /* modification counter. Changed (usually
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by incrementing) every time the label
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is changed */
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int row; /* the row number of this component */
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int column; /* the column number of this component */
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int num_rows; /* number of rows in this RAID set */
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int num_columns; /* number of columns in this RAID set */
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int clean; /* 1 when clean, 0 when dirty */
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int status; /* rf_ds_optimal, rf_ds_dist_spared, whatever. */
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/* stuff that will be in version 2 of the label */
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int sectPerSU; /* Sectors per Stripe Unit */
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int SUsPerPU; /* Stripe Units per Parity Units */
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int SUsPerRU; /* Stripe Units per Reconstruction Units */
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int parityConfig; /* '0' == RAID0, '1' == RAID1, etc. */
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int maxOutstanding; /* maxOutstanding disk requests */
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int blockSize; /* size of component block.
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(disklabel->d_secsize) */
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int numBlocks; /* number of blocks on this component. May
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be smaller than the partition size. */
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int partitionSize; /* number of blocks on this *partition*.
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Must exactly match the partition size
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from the disklabel. */
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int future_use[33]; /* Future expansion */
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int autoconfigure; /* automatically configure this RAID set.
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0 == no, 1 == yes */
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int root_partition; /* Use this set as /
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0 == no, 1 == yes*/
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int last_unit; /* last unit number (e.g. 0 for /dev/raid0)
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of this component. Used for autoconfigure
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only. */
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int config_order; /* 0 .. n. The order in which the component
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should be auto-configured. E.g. 0 is will
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done first, (and would become raid0).
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This may be in conflict with last_unit!!?! */
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/* Not currently used. */
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int future_use2[44]; /* More future expansion */
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} RF_ComponentLabel_t;
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typedef struct RF_SingleComponent_s {
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int row;
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int column;
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char component_name[50]; /* name of the component */
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} RF_SingleComponent_t;
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#ifdef _KERNEL
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struct raidcinfo {
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struct vnode *ci_vp; /* component device's vnode */
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dev_t ci_dev; /* component device's dev_t */
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RF_ComponentLabel_t ci_label; /* components RAIDframe label */
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#if 0
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size_t ci_size; /* size */
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char *ci_path; /* path to component */
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size_t ci_pathlen; /* length of component path */
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#endif
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};
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/* XXX probably belongs in a different .h file. */
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typedef struct RF_AutoConfig_s {
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char devname[56]; /* the name of this component */
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int flag; /* a general-purpose flag */
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dev_t dev; /* the device for this component */
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struct vnode *vp; /* Mr. Vnode Pointer */
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RF_ComponentLabel_t *clabel; /* the label */
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struct RF_AutoConfig_s *next; /* the next autoconfig structure
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in this set. */
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} RF_AutoConfig_t;
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typedef struct RF_ConfigSet_s {
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struct RF_AutoConfig_s *ac; /* all of the autoconfig structures for
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this config set. */
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int rootable; /* Set to 1 if this set can be root */
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struct RF_ConfigSet_s *next;
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} RF_ConfigSet_t;
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#endif /* _KERNEL */
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#endif /* _RF__RF_BSD_H_ */
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