315 lines
7.8 KiB
C
315 lines
7.8 KiB
C
/* $NetBSD: scsireg.h,v 1.3 1998/11/19 21:47:21 thorpej Exp $ */
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/*
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* Copyright (c) 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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* Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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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* from: $Hdr: scsireg.h,v 4.300 91/06/09 06:38:12 root Rel41 $ SONY
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*
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* @(#)scsireg.h 8.1 (Berkeley) 6/11/93
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*/
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/*
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* scsireg.h
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*/
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#ifndef __SCSIREG__
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#define __SCSIREG__ 1
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/*
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* initiator status byte bit image
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*/
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#define INST_EP 0x80 /* End of Process */
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#define INST_WR 0x40 /* Waiting Reselection */
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#define INST_IP 0x20 /* In Process */
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#define INST_WAIT 0x10 /* Waiting Bus free */
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#define INST_LB 0x8 /* Loss of BUSY */
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#define INST_TO 0x4 /* Time Out */
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#define INST_PRE 0x2 /* PaRameter Error */
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#define INST_HE 0x1 /* Hard Error */
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#define INSTERMASK 0x7
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/*
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* target status byte bit image
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*/
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#define VENDOR 0x61
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#define TGSTMASK 0x1e
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#define TGST_RSVCFLCT 0x18
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#define TGST_INTERMED 0x10
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#define TGST_BUSY 0x8
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#define TGST_CC 0x2
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#define TGST_GOOD 0x0
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#define TS_MAPPED_PIO 0x01 /* program I/O with map */
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#define TS_CONTR_ON 0x02 /* contiguous transfer on */
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#define TS_CONTR_OFF 0x04 /* contiguous transfer off */
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#define TS_BYTE_DMA 0x08 /* DMA transfer(byte access) */
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#define TS_LONG_DMA 0x10 /* DMA transfer(long access) */
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/*
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* message byte
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*/
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#define MSG_IDENT 0x80
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#define MSG_RESELEN 0x40
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#define MSG_CCOMP 0
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#define MSG_EXTND 1
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#define MSG_SDP 2
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#define MSG_RDP 3
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#define MSG_DCNT 4
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#define MSG_IDE 5
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/*#define MSG_ABORT 6*/
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#define MSG_MREJ 7
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#define MSG_NOP 8
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#define MSG_PERROR 9
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/*
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* message identify byte bit image
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*/
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#define IDT_DISCON 0x40
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#define IDT_DRMASK 0x7
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/*
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* scsi command opcodes
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*/
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#define SCOP_TST 0x00
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#define SCOP_REZERO 0x01
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#define SCOP_REWIND 0x01
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#define SCOP_RSENSE 0x03
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#define SCOP_FMT 0x04
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#define SCOP_RBLIM 0x05
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#define SCOP_SPARAM 0x06
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#define SCOP_RASBLK 0x07
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#define SCOP_READ 0x08
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#define SCOP_MOERASE 0x09
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#define SCOP_WRITE 0x0a
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#define SCOP_SEEK 0x0b
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#define SCOP_MERASE 0x0e
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#define SCOP_WFMARK 0x10
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#define SCOP_SPACE 0x11
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#define SCOP_INQUIRY 0x12
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#define SCOP_SVERIFY 0x13
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#define SCOP_RBDATA 0x14
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#define SCOP_MSELECT 0x15
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#define SCOP_ERASE 0x19
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#define SCOP_MSENSE 0x1a
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#define SCOP_STST 0x1b
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#define SCOP_LOAD 0x1b
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#define SCOP_RECDIAG 0x1c
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#define SCOP_SNDDIAG 0x1d
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#define SCOP_MEDRMV 0x1e
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#define SCOP_RCAP 0x25
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#define SCOP_EREAD 0x28
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#define SCOP_EWRITE 0x2a
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#define SCOP_BSSRCH 0x2c
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#define SCOP_WSSRCH 0x2d
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#define SCOP_WRTVRFY 0x2e
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#define SCOP_VERIFY 0x2f
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#define SCOP_RDL 0x37
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#define SCOP_WBUF 0x3b
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#define SCOP_RBUF 0x3c
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#define SCOP_EJECT 0xc0
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#define SCOP_EESENSE 0xc1
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#define SCOP_READTOC 0xc1
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#define SCOP_READID 0xc2
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#define SCOP_ADP 0xc2
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#define SCOP_READQ 0xc2
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#define SCOP_BLANKS 0xc3
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#define SCOP_READHEAD 0xc3
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#define SCOP_PBSTS 0xc4
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#define SCOP_RCVDISK 0xc4
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#define SCOP_PAUSE 0xc5
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#define SCOP_PLAYTRACK 0xc6
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#define SCOP_PLAYMSF 0xc7
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#define SCOP_PLAYAUDIO 0xc8
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#define SCOP_ERASED 0xe7
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#define SCOP_RESET 0xff
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#ifdef CPU_DOUBLE
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# ifdef mips
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# define ipc_phys(x) (caddr_t)K0_TT0(x)
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# else
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# define ipc_phys(x) (caddr_t)((int)(x) & ~0x80000000)
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# endif
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# ifdef news3800
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# define splsc spl4
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# define splscon spl3
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# endif
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#endif /* CPU_DOUBLE */
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#ifdef CPU_SINGLE
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# define ipc_phys(x) (caddr_t)(x)
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# ifdef news3400
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# define splsc cpu_spl0 /* Lite2 used spl3 */
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# define splscon spl2 XXX not used
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extern int cpu_spl0 __P((void));
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# else
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# define splsc spl4
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# define splscon spl3
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# endif
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#endif /* CPU_SINGLE */
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#define SCSI_INTEN 1
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#define SCSI_INTDIS 0
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/*
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* other definition
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*/
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#define ON 1
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#define OFF 0
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/*
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* scsi map table format
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*/
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#if defined(news3400)
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#define NSCMAP 120
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#endif
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#if defined(news3800)
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#define NSCMAP 129
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#endif
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struct sc_map {
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u_int mp_offset;
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u_int mp_pages;
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u_int mp_addr[NSCMAP]; /* page number */
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};
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struct sc_chan_stat {
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struct sc_chan_stat *wb_next; /* wait bus channel queue */
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struct sc_scb *scb; /* scsi struct address */
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u_int stcnt; /* save transfer count */
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u_char *spoint; /* save transfer point */
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u_int stag; /* save tag register */
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u_int soffset; /* save offset register */
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int chan_num; /* channel NO. */
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u_char comflg; /* flag for save comand pointer */
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u_char intr_flg; /* interrupt flag. SCSI_INTEN/INTDIS */
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};
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struct sc_scb {
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TAILQ_ENTRY(sc_scb) chain;
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struct scsipi_xfer *xs;
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int flags;
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struct sc_softc *scb_softc;
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struct sc_map *sc_map;
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u_char *sc_cpoint; /* pointer to buffer address */
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u_int sc_ctrnscnt; /* transfer count */
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u_int sc_ctag;
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u_int sc_coffset;
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u_char istatus;
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u_char tstatus;
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u_char identify;
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u_char message;
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u_char msgbuf[20];
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};
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#define NTARGET 8
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struct sc_softc {
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struct device sc_dev;
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struct scsipi_link sc_link;
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struct scsipi_adapter sc_adapter;
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TAILQ_HEAD(scb_list, sc_scb) ready_list, free_list;
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struct sc_scb sc_scb[3*NTARGET];
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int inuse[NTARGET];
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struct sc_map sc_map[NTARGET];
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struct sc_chan_stat chan_stat[NTARGET]; /* SCSI channel status */
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int sel_stat[NTARGET]; /* target select status */
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int scsi_1185AQ;
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int pad_start;
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int wbc; /* # of channel that is waiting for scsi bus free */
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int wrc; /* # of channel that is waiting for reselection */
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struct sc_chan_stat *ip;
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/* In progress channel. Same as ISTAT.IP */
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int ipc; /* number of in progress channel. */
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int dma_stat; /* OFF = DMAC is not used */
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#define SC_DMAC_RD 1
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#define SC_DMAC_WR 2
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struct sc_chan_stat *wbq_actf; /* forword active pointer */
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struct sc_chan_stat *wbq_actl; /* last active pointer */
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u_char *act_cmd_pointer;
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u_char *min_point[NTARGET];
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int pad_cnt[NTARGET];
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char min_cnt[NTARGET];
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char sync_tr[NTARGET]; /* sync/async flag */
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char mout_flag[NTARGET];
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char perr_flag[NTARGET];
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int int_stat1;
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int int_stat2;
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int min_flag;
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int lastcmd;
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};
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/*
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* sel_stat values
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*/
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#define SEL_WAIT 0
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#define SEL_START 1
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#define SEL_TIMEOUT 2
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#define SEL_ARBF 3
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#define SEL_SUCCESS 4
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#define SEL_RSLD 5
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#define SEL_RSL_WAIT 6
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/*
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* mout_flag values
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*/
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#define MOUT_IDENTIFY 1
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#define MOUT_SYNC_TR 2
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struct scintsw {
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/*00*/ int (*sci_inthandler)(); /* pointer to interrupt handler */
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/*04*/ int sci_ctlr; /* controller number */
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/*08*/
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};
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#endif /* !__SCSIREG__ */
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