/* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc. * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. * * from: $Hdr: scsic.h,v 4.300 91/06/09 06:22:24 root Rel41 $ SONY * * @(#)scsic.h 8.1 (Berkeley) 6/11/93 */ /* * Copyright (c) 1987- by SONY Corporation. */ /* * scsic.h ver 1.1 * * Header file for scsi.c. */ #define SCSI_NOTWAIT 0x2 /* don't wait cmd completion */ #define splhi spl7 /* IPL 7 Be careful to use this.*/ /* * Delay units are in microseconds. * * 1ms = 1000 on news800 * so 1ms = 1500 on 25MHz */ #define HDELAY(n) \ { \ register int N = (n)*1500 ; \ while(--N > 0); \ } struct scsi_stat { int wbc; /* # of channel that is waiting for scsi bus free */ int wrc; /* # of channel that is waiting for reselection */ struct sc_chan_stat *ip; /* In progress channel. Same as ISTAT.IP */ int ipc; /* number of in progress channel. */ int dma_stat; /* OFF = DMAC is not used */ #define SC_DMAC_RD 1 #define SC_DMAC_WR 2 }; #undef VOLATILE #ifdef mips #define VOLATILE volatile #else #define VOLATILE #endif struct sc_chan_stat { struct scsi *sc ; /* scsi struct address */ u_char comflg; /* flag for save comand pointer */ u_int stcnt; /* save transfer count */ u_char *spoint; /* save transfer point */ u_int stag; /* save tag register */ u_int soffset; /* save offset register */ u_char intr_flg; /* interrupt flag. SCSI_INTEN/INTDIS */ int chan_num; /* channel NO. */ VOLATILE struct sc_chan_stat *wb_next; /* wait bus channel queue */ }; #undef VOLATILE extern struct scintsw scintsw[]; extern struct scsi_stat scsi_stat;