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tsubai 1998-08-21 13:22:25 +00:00
parent 5617a263e0
commit 057ca9bfe1
1 changed files with 0 additions and 101 deletions
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sys/arch/newsmips/dev/scsic.h
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/*
* 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;