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/* $OpenBSD: biovar.h,v 1.6 2005/07/18 01:29:01 marco Exp $ */
/*
* Copyright (c) 2002 Niklas Hallqvist. All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* Devices getting ioctls through this interface should use ioctl class 'B'
* and command numbers starting from 32, lower ones are reserved for generic
* ioctls. All ioctl data must be structures which start with a void *
* cookie.
*/
#include <sys/types.h>
struct bio_common {
void *cookie;
};
#define BIOCLOCATE _IOWR('B', 0, struct bio_locate)
struct bio_locate {
void *cookie;
char *name;
};
#ifdef _KERNEL
int bio_register(struct device *, int (*)(struct device *, u_long,
caddr_t));
#endif
/* RAID section */
#define BIOCINQ _IOWR('B', 32, bioc_inq)
typedef struct _bioc_inq {
void *cookie;
int novol; /* nr of volumes */
int nodisk; /* nr of total disks */
} bioc_inq;
#define BIOCDISK _IOWR('B', 33, bioc_disk)
/* structure that represents a disk in a RAID volume */
typedef struct _bioc_disk {
void *cookie;
int diskid; /* virtual disk id */
int status; /* current status */
int volid; /* associate with volume, if -1 unused */
quad_t size; /* size of the disk */
/* this is provided by the physical disks if suported */
char vendor[8]; /* vendor string */
char product[16]; /* product string */
char revision[4]; /* revision string */
char pad[4]; /* zero terminate in here */
/* XXX get this too? */
/* serial number */
} bioc_disk;
#define BIOCVOL _IOWR('B', 34, bioc_vol)
/* structure that represents a RAID volume */
typedef struct _bioc_vol {
void *cookie;
int volid; /* volume id */
int status; /* current status */
#define BIOC_SONLINE 0x00
#define BIOC_SOFFLINE 0x01
#define BIOC_SDEGRADED 0x02
quad_t size; /* size of the disk */
int level; /* raid level */
int nodisk; /* nr of drives */
/* this is provided by the RAID card */
char vendor[8]; /* vendor string */
char product[16]; /* product string */
char revision[4]; /* revision string */
char pad[4]; /* zero terminate in here */
} bioc_vol;
#define BIOC_INQ 0x01
#define BIOC_DISK 0x02
#define BIOC_VOL 0x04
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