/* * 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 #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 */
