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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1996-1998 by Sun Microsystems, Inc.
* All rights reserved.
*/
#ifndef _SYS_SCSI_IMPL_MODE_H
#define _SYS_SCSI_IMPL_MODE_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Defines and Structures for SCSI Mode Sense/Select data
*
* Implementation Specific variations
*/
/*
* Variations to Sequential Access device mode header
*/
struct modeheader_seq {
uchar_t datalen; /* sense data length */
uchar_t mediumtype; /* medium type */
#if defined(_BIT_FIELDS_LTOH)
uchar_t speed :4, /* speed */
bufm :3, /* buffered mode */
wp :1; /* write protected */
#elif defined(_BIT_FIELDS_HTOL)
uchar_t wp :1, /* write protected */
bufm :3, /* buffered mode */
speed :4; /* speed */
#else
#error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
#endif /* _BIT_FIELDS_LTOH */
uchar_t bd_len; /* block length in bytes */
struct block_descriptor blk_desc;
};
/*
* Variations to Direct Access device pages
*/
/*
* Page 1: CCS error recovery page was a little different than SCSI-2/3
*/
#define PAGELENGTH_DAD_MODE_ERR_RECOV_CCS 0x06
struct mode_err_recov_ccs {
struct mode_page mode_page; /* common mode page header */
#if defined(_BIT_FIELDS_LTOH)
uchar_t dcr : 1, /* disable correction */
dte : 1, /* disable transfer on error */
per : 1, /* post error */
eec : 1, /* enable early correction */
rc : 1, /* read continuous */
tb : 1, /* transfer block */
arre : 1, /* auto read realloc enabled */
awre : 1; /* auto write realloc enabled */
#elif defined(_BIT_FIELDS_HTOL)
uchar_t awre : 1, /* auto write realloc enabled */
arre : 1, /* auto read realloc enabled */
tb : 1, /* transfer block */
rc : 1, /* read continuous */
eec : 1, /* enable early correction */
per : 1, /* post error */
dte : 1, /* disable transfer on error */
dcr : 1; /* disable correction */
#else
#error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
#endif /* _BIT_FIELDS_LTOH */
uchar_t retry_count;
uchar_t correction_span;
uchar_t head_offset_count;
uchar_t strobe_offset_count;
uchar_t recovery_time_limit;
};
/*
* Page 3: CCS Direct Access Device Format Parameters
*
* The 0x8 bit in the Drive Type byte is used in CCS
* as an INHIBIT SAVE bit. This bit is not in SCSI-2/3.
*/
#define _reserved_ins ins
/*
* Page 8: SCSI-2 Cache page was a little different than SCSI-3
*/
#define PAGELENGTH_DAD_MODE_CACHE 0x0A
struct mode_cache {
struct mode_page mode_page; /* common mode page header */
#if defined(_BIT_FIELDS_LTOH)
uchar_t rcd : 1, /* Read Cache Disable */
mf : 1, /* Multiplication Factor */
wce : 1, /* Write Cache Enable */
: 5;
uchar_t write_reten_pri : 4, /* Write Retention Priority */
read_reten_pri : 4; /* Demand Read Retention Priority */
#elif defined(_BIT_FIELDS_HTOL)
uchar_t : 5,
wce : 1, /* Write Cache Enable */
mf : 1, /* Multiplication Factor */
rcd : 1; /* Read Cache Disable */
uchar_t read_reten_pri : 4, /* Demand Read Retention Priority */
write_reten_pri : 4; /* Write Retention Priority */
#else
#error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
#endif /* _BIT_FIELDS_LTOH */
ushort_t dis_prefetch_len; /* Disable prefetch xfer length */
ushort_t min_prefetch; /* minimum prefetch length */
ushort_t max_prefetch; /* maximum prefetch length */
ushort_t prefetch_ceiling; /* max prefetch ceiling */
};
/*
* Page 0x38 - This is the CCS Cache Page
*/
struct mode_cache_ccs {
struct mode_page mode_page; /* common mode page header */
uchar_t mode; /* Cache control and size */
uchar_t threshold; /* Prefetch threshold */
uchar_t max_prefetch; /* Max. prefetch */
uchar_t max_multiplier; /* Max. prefetch multiplier */
uchar_t min_prefetch; /* Min. prefetch */
uchar_t min_multiplier; /* Min. prefetch multiplier */
uchar_t rsvd2[8];
};
/*
* Page A: SCSI-2 control page was a little different than SCSI-3
*/
#define PAGELENGTH_MODE_CONTROL 0x06
struct mode_control {
struct mode_page mode_page; /* common mode page header */
#if defined(_BIT_FIELDS_LTOH)
uchar_t rlec : 1, /* Report Log Exception bit */
: 7;
uchar_t qdisable: 1, /* Queue disable */
que_err : 1, /* Queue error */
: 2,
que_mod : 4; /* Queue algorithm modifier */
uchar_t eanp : 1,
uaaenp : 1,
raenp : 1,
: 4,
eeca : 1;
#elif defined(_BIT_FIELDS_HTOL)
uchar_t : 7,
rlec : 1; /* Report Log Exception bit */
uchar_t que_mod : 4, /* Queue algorithm modifier */
: 2,
que_err : 1, /* Queue error */
qdisable: 1; /* Queue disable */
uchar_t eeca : 1,
: 4,
raenp : 1,
uaaenp : 1,
eanp : 1;
#else
#error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
#endif /* _BIT_FIELDS_LTOH */
uchar_t reserved;
ushort_t ready_aen_holdoff;
};
/*
* Emulex MD21 Unique Mode Select/Sense structure.
* This is apparently not used, although the MD21
* documentation refers to it.
*
* The medium_type in the mode header must be 0x80
* to indicate a vendor unique format. There is then
* a standard block descriptor page, which must be
* zeros (although the block descriptor length is set
* appropriately in the mode header).
*
* After this stuff, comes the vendor unique ESDI
* format parameters for the MD21.
*
* Notes:
*
* 1) The logical number of sectors/track should be the
* number of physical sectors/track less the number spare
* sectors/track.
*
* 2) The logical number of cylinders should be the
* number of physical cylinders less three (3) reserved
* for use by the drive, and less any alternate cylinders
* allocated.
*
* 3) head skew- see MD21 manual.
*/
struct emulex_format_params {
uchar_t alt_cyl; /* number of alternate cylinders */
#if defined(_BIT_FIELDS_LTOH)
uchar_t : 1,
sst : 2, /* spare sectors per track */
ssz : 1, /* sector size. 1 == 256 bps, 0 == 512 bps */
nheads : 4; /* number of heads */
#elif defined(_BIT_FIELDS_HTOL)
uchar_t nheads : 4, /* number of heads */
ssz : 1, /* sector size. 1 == 256 bps, 0 == 512 bps */
sst : 2, /* spare sectors per track */
: 1;
#else
#error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
#endif /* _BIT_FIELDS_LTOH */
uchar_t nsect; /* logical sectors/track */
uchar_t ncyl_hi; /* logical number of cylinders, msb */
uchar_t ncyl_lo; /* logical number of cylinders, lsb */
uchar_t head_skew; /* head skew */
uchar_t reserved[3];
};
/*
* Page 0x31: CD-ROM speed page
*/
#define CDROM_MODE_SPEED 0x31
struct mode_speed {
struct mode_page mode_page; /* common mode page header */
uchar_t speed; /* drive speed */
uchar_t reserved;
};
/*
* Definitions for drive speed supported are in cdio.h
*/
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SCSI_IMPL_MODE_H */
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