134 lines
4.3 KiB
C
134 lines
4.3 KiB
C
/* $NetBSD: ata_raidvar.h,v 1.5 2007/03/27 00:10:20 garbled Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2003 Wasabi Systems, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Written by Jason R. Thorpe for Wasabi Systems, Inc.
|
|
*
|
|
* 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 for the NetBSD Project by
|
|
* Wasabi Systems, Inc.
|
|
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
|
|
* or promote products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
|
|
* 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 _DEV_ATA_ATA_RAIDVAR_H_
|
|
#define _DEV_ATA_ATA_RAIDVAR_H_
|
|
|
|
#include <sys/queue.h>
|
|
|
|
/*
|
|
* Types of RAID configurations we support. Do not change the order
|
|
* of this list, as it will change the order in which the arrays are
|
|
* sorted.
|
|
*
|
|
* If this list is updated, ensure the array in
|
|
* ata_raid.c:ata_raid_type_name() is also updated.
|
|
*/
|
|
#define ATA_RAID_TYPE_PROMISE 0
|
|
#define ATA_RAID_TYPE_ADAPTEC 1
|
|
#define ATA_RAID_TYPE_VIA 2
|
|
#define ATA_RAID_TYPE_MAX 2
|
|
|
|
/*
|
|
* Max # of disks supported by a single array. This is limited by
|
|
* the number that the individual controller config blocks can support:
|
|
*
|
|
* Promise 8
|
|
*/
|
|
#define ATA_RAID_MAX_DISKS 8
|
|
|
|
struct ataraid_disk_info {
|
|
struct device *adi_dev; /* disk's device */
|
|
int adi_status; /* disk's status */
|
|
u_int adi_sectors;
|
|
u_int adi_compsize; /* in sectors */
|
|
};
|
|
|
|
/* adi_status */
|
|
#define ADI_S_ONLINE 0x01
|
|
#define ADI_S_ASSIGNED 0x02
|
|
#define ADI_S_SPARE 0x04
|
|
|
|
struct ataraid_array_info {
|
|
TAILQ_ENTRY(ataraid_array_info) aai_list;
|
|
|
|
struct device *aai_ld; /* associated logical disk */
|
|
|
|
u_int aai_type; /* array type */
|
|
u_int aai_arrayno; /* array number */
|
|
int aai_level; /* RAID level */
|
|
int aai_generation; /* config generaion # */
|
|
int aai_status; /* array status */
|
|
|
|
/* Geometry info. */
|
|
u_int aai_interleave; /* stripe size */
|
|
u_int aai_width; /* array width */
|
|
u_int aai_ndisks; /* number of disks */
|
|
u_int aai_heads; /* tracks/cyl */
|
|
u_int aai_sectors; /* secs/track */
|
|
u_int aai_cylinders; /* cyl/unit */
|
|
u_int aai_capacity; /* in sectors */
|
|
u_int aai_offset; /* component start offset */
|
|
u_int aai_reserved; /* component reserved sectors */
|
|
|
|
struct ataraid_disk_info aai_disks[ATA_RAID_MAX_DISKS];
|
|
};
|
|
|
|
/* aai_level */
|
|
#define AAI_L_SPAN 0x01
|
|
#define AAI_L_RAID0 0x02
|
|
#define AAI_L_RAID1 0x04
|
|
#define AAI_L_RAID5 0x08
|
|
|
|
/* aai_status */
|
|
#define AAI_S_READY 0x01
|
|
#define AAI_S_DEGRADED 0x02
|
|
|
|
struct vnode;
|
|
struct wd_softc;
|
|
|
|
typedef TAILQ_HEAD(, ataraid_array_info) ataraid_array_info_list_t;
|
|
extern ataraid_array_info_list_t ataraid_array_info_list;
|
|
|
|
void ata_raid_check_component(struct device *);
|
|
const char *ata_raid_type_name(u_int);
|
|
|
|
struct ataraid_array_info *ata_raid_get_array_info(u_int, u_int);
|
|
int ata_raid_config_block_rw(struct vnode *, daddr_t, void *,
|
|
size_t, int);
|
|
|
|
/* Promise RAID support */
|
|
int ata_raid_read_config_promise(struct wd_softc *);
|
|
|
|
/* Adaptec HostRAID support */
|
|
int ata_raid_read_config_adaptec(struct wd_softc *);
|
|
|
|
/* VIA V-RAID support */
|
|
int ata_raid_read_config_via(struct wd_softc *);
|
|
|
|
#endif /* _DEV_ATA_ATA_RAIDVAR_H_ */
|