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/* $OpenBSD: biovar.h,v 1.7 2005/07/18 15:10:57 dlg 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 BIOC_MAX_CDB 16
#define BIOC_MAX_SENSE 32
#define BIOC_MAX_PHYSDISK 128 /* based on FC arrays */
#define BIOC_MAX_VIRTDISK 128 /* based on FC arrays */
/* ioctl tunnel defines */
/* SHALL be implemented */
#define BIOCPING _IOWR('B', 32, bioc_ping)
typedef struct _bioc_ping {
void *cookie;
int x;
} bioc_ping;
/* SHALL be implemented */
#define BIOCCAPABILITIES _IOWR('B', 33, bioc_capabilities)
typedef struct _bioc_capabilities {
void *cookie;
u_int64_t ioctls; /* bit field, 1 ioctl supported */
#define BIOC_PING 0x01
#define BIOC_ALARM 0x02
#define BIOC_PREP_REMOVAL 0x04
#define BIOC_REBUILD 0x08
#define BIOC_STATUS 0x10
#define BIOC_SCSICMD 0x20
#define BIOC_STARTSTOP 0x40
#define BIOC_BLINK 0x80
u_int32_t raid_types; /* bit field, 1 supported raid type */
#define BIOC_RAID0 0x01
#define BIOC_RAID1 0x02
#define BIOC_RAID3 0x04
#define BIOC_RAID5 0x08
#define BIOC_RAID10 0x10
#define BIOC_RAID01 0x20
#define BIOC_RAID50 0x40
} bioc_capabilities;
/* OPTIONAL */
#define BIOCALARM _IOWR('B', 34, bioc_alarm)
typedef struct _bioc_alarm {
void *cookie;
u_int32_t opcode;
#define BIOCSALARM_DISABLE 0x00
#define BIOCSALARM_ENABLE 0x01
#define BIOCSALARM_SILENCE 0x02
#define BIOCGALARM_STATE 0x03
#define BIOCSALARM_TEST 0x04
u_int8_t state; /* only used with GET function */
} bioc_alarm;
/* OPTIONAL */
#define BIOCSCSICMD _IOWR('B', 35, bioc_scsicmd)
typedef struct _bioc_scsicmd {
void *cookie;
/* in (kernel centric) */
u_int8_t channel;
u_int8_t target;
u_int8_t cdb[BIOC_MAX_CDB];
u_int8_t cdblen;
u_int8_t direction; /* 0 = out, 1 = in, this is userland centric */
#define BIOC_DIROUT 0x00
#define BIOC_DIRIN 0x01
#define BIOC_DIRNONE 0x02
/* out (kernel centric) */
u_int8_t status;
u_int8_t sensebuf[BIOC_MAX_SENSE];
u_int8_t senselen;
/* in & out (kernel centric) */
void *data;
u_int32_t datalen; /* going in it governs the maximum buffer size
going out it contains actual bytes transfered */
} bioc_scsicmd;
/* OPTIONAL */
#define BIOCSTARTSTOP _IOWR('B', 36, bioc_startstop)
typedef struct _bioc_startstop {
void *cookie;
u_int8_t opcode;
#define BIOCSUNIT_START 0x00
#define BIOCSUNIT_STOP 0x01
u_int8_t channel;
u_int8_t target;
} bioc_startstop;
/* SHALL be implemented */
#define BIOCSTATUS _IOWR('B', 37, bioc_status)
typedef struct _bioc_status {
void *cookie;
u_int8_t opcode;
#define BIOCGSTAT_CHANGE 0x00 /* any changes since last call? */
#define BIOCGSTAT_ALL 0x01 /* get all status */
#define BIOCGSTAT_PHYSDISK 0x02 /* get physical disk status only */
#define BIOCGSTAT_VIRTDISK 0x03 /* get virtual disk status only */
#define BIOCGSTAT_BATTERY 0x04 /* get battery status only */
#define BIOCGSTAT_ENCLOSURE 0x05 /* get enclosure status only */
#define BIOCGSTAT_TEMPERATURE 0x06 /* get temperature status only */
u_int8_t status; /* global status flag */
#define BIOC_STATOK 0x00 /* status is OK */
#define BIOC_STATDEGRAD 0x01 /* status is degraded */
#define BIOC_STATCRIT 0x02 /* status is critical */
#define BIOC_STATBAT 0x04 /* something wrong with battery */
#define BIOC_STATENC 0x08 /* something wrong with enclosure */
#define BIOC_STATTEMP 0x10 /* something is over/under heating */
/* return fields used per request define in opcode */
u_int8_t channels; /* max channels */
u_int8_t buswidth; /* max physical drives per channel */
/* filled in when called with BIOCGSTAT_PHYSDISK set */
u_int8_t pdcount; /* physical disk counter */
u_int8_t physdisk[BIOC_MAX_PHYSDISK];
#define BIOC_PDUNUSED 0x00 /* disk not present */
#define BIOC_PDONLINE 0x01 /* disk present */
#define BIOC_PDOFFLINE 0x02 /* disk present but offline */
#define BIOC_PDINUSE 0x04 /* critical operation in progress */
/* filled in when called with BIOCGSTAT_VIRTDISK set */
u_int8_t vdcount; /* virtual disk counter */
u_int8_t virtdisk[BIOC_MAX_VIRTDISK];
#define BIOC_VDUNUSED 0x00 /* disk not present */
#define BIOC_VDONLINE 0x01 /* disk present */
#define BIOC_VDOFFLINE 0x02 /* disk present but offline */
#define BIOC_VDINUSE 0x04 /* critical operation in progress */
/* filled in when called with BIOCGSTAT_BATTERY set */
u_int8_t batstat; /* battery status */
#define BIOC_BATNOTPRES 0x00 /* battery not present */
#define BIOC_BATMISSING 0x01 /* battery removed */
#define BIOC_BATVOLTERR 0x02 /* battery low/high power */
#define BIOC_BATTEMP 0x04 /* battery over/under temp*/
/* NOTYET: encloure status & temperature status */
} bioc_status;
/* OPTIONAL */
/* depending on the controller it is handled either in userland or in kernel */
#define BIOCBLINK _IOWR('B', 38, bioc_blink)
typedef struct _bioc_blink {
void *cookie;
u_int8_t opcode;
#define BIOCSBLINK_BLINK 0x00
#define BIOCSBLINK_UNBLINK 0x01
#define BIOCSBLINK_ALERT 0x02
u_int8_t channel;
u_int8_t target;
} bioc_blink;
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