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266 lines
8.1 KiB
C
266 lines
8.1 KiB
C
/* $NetBSD: scsireg.h,v 1.4 2015/02/14 05:03:09 tsutsui Exp $ */
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/*
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* Copyright (c) 1990, 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Van Jacobson of Lawrence Berkeley Laboratory.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)scsireg.h 8.1 (Berkeley) 6/10/93
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*/
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/*
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* MB89352 SCSI Protocol Controller Hardware Description.
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*/
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struct scsidevice {
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volatile uint8_t scsi_bdid, p0, p1, p2; /* 000 */
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volatile uint8_t scsi_sctl, p3, p4, p5; /* 004 */
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#define SCTL_DISABLE 0x80
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#define SCTL_CTRLRST 0x40
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#define SCTL_DIAG 0x20
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#define SCTL_ABRT_ENAB 0x10
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#define SCTL_PARITY_ENAB 0x08
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#define SCTL_SEL_ENAB 0x04
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#define SCTL_RESEL_ENAB 0x02
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#define SCTL_INTR_ENAB 0x01
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volatile uint8_t scsi_scmd, p6, p7, p8; /* 008 */
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#define SCMD_RST 0x10
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#define SCMD_ICPT_XFR 0x08
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#define SCMD_PROG_XFR 0x04
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#define SCMD_PAD 0x01 /* if initiator */
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#define SCMD_PERR_STOP 0x01 /* if target */
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/* command codes */
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#define SCMD_BUS_REL 0x00
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#define SCMD_SELECT 0x20
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#define SCMD_RST_ATN 0x40
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#define SCMD_SET_ATN 0x60
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#define SCMD_XFR 0x80
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#define SCMD_XFR_PAUSE 0xa0
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#define SCMD_RST_ACK 0xc0
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#define SCMD_SET_ACK 0xe0
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volatile uint8_t scsi_tmod, p9, p10, p11; /* 00C */
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#define TMOD_SYNC 0x80
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volatile uint8_t scsi_ints, p12, p13, p14; /* 010 */
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#define INTS_SEL 0x80
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#define INTS_RESEL 0x40
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#define INTS_DISCON 0x20
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#define INTS_CMD_DONE 0x10
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#define INTS_SRV_REQ 0x08
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#define INTS_TIMEOUT 0x04
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#define INTS_HARD_ERR 0x02
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#define INTS_RST 0x01
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volatile uint8_t scsi_psns, p15, p16, p17; /* 014 */
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#define PSNS_REQ 0x80
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#define PSNS_ACK 0x40
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#define PSNS_ATN 0x20
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#define PSNS_SEL 0x10
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#define PSNS_BSY 0x08
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#define scsi_sdgc scsi_psns
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#define SDGC_XFER_ENAB 0x20
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volatile uint8_t scsi_ssts, p18, p19, p20; /* 018 */
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#define SSTS_INITIATOR 0x80
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#define SSTS_TARGET 0x40
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#define SSTS_BUSY 0x20
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#define SSTS_XFR 0x10
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#define SSTS_ACTIVE (SSTS_INITIATOR|SSTS_XFR)
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#define SSTS_RST 0x08
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#define SSTS_TCZERO 0x04
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#define SSTS_DREG_FULL 0x02
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#define SSTS_DREG_EMPTY 0x01
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volatile uint8_t scsi_serr, p21, p22, p23; /* 01C */
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#define SERR_SCSI_PAR 0x80
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#define SERR_SPC_PAR 0x40
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#define SERR_XFER_OUT 0x20
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#define SERR_TC_PAR 0x08
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#define SERR_PHASE_ERR 0x04
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#define SERR_SHORT_XFR 0x02
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#define SERR_OFFSET 0x01
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volatile uint8_t scsi_pctl, p24, p25, p26; /* 020 */
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#define PCTL_BFINT_ENAB 0x80
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volatile uint8_t scsi_mbc, p27, p28, p29; /* 024 */
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volatile uint8_t scsi_dreg, p30, p31, p32; /* 028 */
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volatile uint8_t scsi_temp, p33, p34, p35; /* 02C */
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volatile uint8_t scsi_tch, p36, p37, p38; /* 030 */
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volatile uint8_t scsi_tcm, p39, p40, p41; /* 034 */
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volatile uint8_t scsi_tcl, p42, p43, p44; /* 038 */
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volatile uint8_t scsi_exbf, p45, p46, p47; /* 03C */
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};
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/* psns/pctl phase lines as bits */
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#define PHASE_MSG 0x04
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#define PHASE_CD 0x02 /* =1 if 'command' */
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#define PHASE_IO 0x01 /* =1 if data inbound */
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/* Phase lines as values */
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#define PHASE 0x07 /* mask for psns/pctl phase */
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#define DATA_OUT_PHASE 0x00
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#define DATA_IN_PHASE 0x01
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#define CMD_PHASE 0x02
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#define STATUS_PHASE 0x03
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#define BUS_FREE_PHASE 0x04
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#define ARB_SEL_PHASE 0x05 /* Fuji chip combines arbitration with sel. */
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#define MESG_OUT_PHASE 0x06
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#define MESG_IN_PHASE 0x07
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/* SCSI Messages */
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#define MSG_CMD_COMPLETE 0x00
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#define MSG_EXT_MESSAGE 0x01
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#define MSG_SAVE_DATA_PTR 0x02
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#define MSG_RESTORE_PTR 0x03
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#define MSG_DISCONNECT 0x04
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#define MSG_INIT_DETECT_ERROR 0x05
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#define MSG_ABORT 0x06
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#define MSG_REJECT 0x07
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#define MSG_NOOP 0x08
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#define MSG_PARITY_ERROR 0x09
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#define MSG_BUS_DEVICE_RESET 0x0C
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#define MSG_IDENTIFY 0x80
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#define MSG_IDENTIFY_DR 0xc0 /* (disconnect/reconnect allowed) */
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#define MSG_SYNC_REQ 0x01
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/* SCSI Commands */
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#define CMD_TEST_UNIT_READY 0x00
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#define CMD_REQUEST_SENSE 0x03
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#define CMD_INQUIRY 0x12
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#define CMD_SEND_DIAGNOSTIC 0x1D
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#define CMD_REWIND 0x01
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#define CMD_FORMAT_UNIT 0x04
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#define CMD_READ_BLOCK_LIMITS 0x05
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#define CMD_REASSIGN_BLOCKS 0x07
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#define CMD_READ 0x08
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#define CMD_WRITE 0x0A
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#define CMD_WRITE_FILEMARK 0x10
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#define CMD_SPACE 0x11
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#define CMD_MODE_SELECT 0x15
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#define CMD_RELEASE_UNIT 0x17
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#define CMD_ERASE 0x19
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#define CMD_MODE_SENSE 0x1A
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#define CMD_LOADUNLOAD 0x1B
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#define CMD_RECEIVE_DIAG 0x1C
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#define CMD_SEND_DIAG 0x1D
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#define CMD_P_A_MEDIA_REMOVAL 0x1E
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#define CMD_READ_CAPACITY 0x25
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#define CMD_READ_EXT 0x28
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#define CMD_WRITE_EXT 0x2A
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#define CMD_READ_DEFECT_DATA 0x37
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#define SD_MANUFAC_DEFECTS 0x14000000
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#define SD_GROWN_DEFECTS 0x0c000000
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#define CMD_READ_BUFFER 0x3B
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#define CMD_WRITE_BUFFER 0x3C
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#define CMD_READ_FULL 0xF0
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#define CMD_MEDIA_TEST 0xF1
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#define CMD_ACCESS_LOG 0xF2
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#define CMD_WRITE_FULL 0xFC
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#define CMD_MANAGE_PRIMARY 0xFD
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#define CMD_EXECUTE_DATA 0xFE
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/* SCSI status bits */
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#define STS_CHECKCOND 0x02 /* Check Condition (ie., read sense) */
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#define STS_CONDMET 0x04 /* Condition Met (ie., search worked) */
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#define STS_BUSY 0x08
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#define STS_INTERMED 0x10 /* Intermediate status sent */
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#define STS_EXT 0x80 /* Extended status valid */
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/* command descriptor blocks */
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struct scsi_cdb6 {
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uint8_t cmd; /* command code */
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uint8_t lun: 3, /* logical unit on ctlr */
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lbah: 5; /* msb of read/write logical block addr */
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uint8_t lbam; /* middle byte of l.b.a. */
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uint8_t lbal; /* lsb of l.b.a. */
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uint8_t len; /* transfer length */
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uint8_t xtra;
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};
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struct scsi_cdb10 {
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uint8_t cmd; /* command code */
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uint8_t lun: 3, /* logical unit on ctlr */
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: 4,
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rel: 1; /* l.b.a. is relative addr if =1 */
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uint8_t lbah; /* msb of read/write logical block addr */
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uint8_t lbahm; /* high middle byte of l.b.a. */
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uint8_t lbalm; /* low middle byte of l.b.a. */
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uint8_t lbal; /* lsb of l.b.a. */
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uint8_t reserved;
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uint8_t lenh; /* msb transfer length */
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uint8_t lenl; /* lsb transfer length */
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uint8_t xtra;
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};
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/* basic sense data */
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struct scsi_sense {
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uint8_t valid: 1, /* l.b.a. is valid */
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class: 3,
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code: 4;
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uint8_t vu: 4, /* vendor unique */
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lbah: 4;
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uint8_t lbam;
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uint8_t lbal;
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};
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struct scsi_xsense {
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uint8_t valid: 1, /* l.b.a. is valid */
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class: 3,
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code: 4;
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uint8_t segment;
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uint8_t filemark: 1,
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eom: 1,
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ili: 1, /* illegal length indicator */
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rsvd: 1,
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key: 4;
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uint8_t info1;
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uint8_t info2;
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uint8_t info3;
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uint8_t info4;
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uint8_t len; /* additional sense length */
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};
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/* inquiry data */
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struct scsi_inquiry {
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uint8_t type;
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uint8_t qual;
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uint8_t version;
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uint8_t rsvd;
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uint8_t len;
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char class[3];
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char vendor_id[8];
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char product_id[16];
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char rev[4];
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};
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struct scsi_generic_cdb {
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int len; /* cdb length (in bytes) */
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uint8_t cdb[28]; /* cdb to use on next read/write */
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};
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