Added support for MVME328 SCSI VME board.

1 files changed, 132 insertions, 0 deletions

diff --git a/sys/arch/mvme68k/dev/vsvar.h b/sys/arch/mvme68k/dev/vsvar.h
new file mode 100644
index 00000000000..b72a86cf4e9
--- /dev/null
+++ b/sys/arch/mvme68k/dev/vsvar.h
@@ -0,0 +1,132 @@
+/*	$OpenBSD: vsvar.h,v 1.1 2000/01/25 04:18:18 smurph Exp $ */
+/*
+ * Copyright (c) 1999 Steve Murphree, Jr.
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Van Jacobson of Lawrence Berkeley Laboratory.
+ *
+ * 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.
+ */
+#ifndef _VSVAR_H_
+#define _VSVAR_H_
+
+/*
+ * The largest single request will be MAXPHYS bytes which will require
+ * at most MAXPHYS/NBPG+1 chain elements to describe, i.e. if none of
+ * the buffer pages are physically contiguous (MAXPHYS/NBPG) and the
+ * buffer is not page aligned (+1).
+ */
+#define	DMAMAXIO	(MAXPHYS/NBPG+1)
+#define  LO(x) (u_short)((unsigned long)x & 0x0000FFFF)
+#define  HI(x) (u_short)((unsigned long)x >> 16)
+#define  OFF(x) (u_short)((long)kvtop(x) - (long)kvtop(sc->sc_vsreg))
+
+struct vs_tinfo {
+	int	cmds;		/* #commands processed */
+	int	dconns;		/* #disconnects */
+	int	touts;		/* #timeouts */
+	int	perrs;		/* #parity errors */
+	int	senses;		/* #request sense commands sent */
+	ushort	lubusy;		/* What local units/subr. are busy? */
+	u_char  flags;
+	u_char  period;		/* Period suggestion */
+	u_char  offset;		/* Offset suggestion */
+   int   avail;      /* Is there a device there */
+} tinfo_t;
+
+struct	vs_softc {
+	struct	device sc_dev;
+	struct	intrhand sc_ih_e;
+	struct	intrhand sc_ih_n;
+	struct	evcnt sc_intrcnt_e;
+	struct	evcnt sc_intrcnt_n;
+	u_short  sc_ipl;
+   u_short  sc_evec;
+   u_short  sc_nvec;
+	struct	scsi_link sc_link;	/* proto for sub devices */
+	u_long	sc_chnl;		         /* channel 0 or 1 for dual bus cards */
+	u_long	sc_qhp;		         /* Command queue head pointer */
+	struct   vsreg	*sc_vsreg;
+#define SIOP_NACB 8
+	struct vs_tinfo sc_tinfo[8];
+	u_char	sc_flags;
+	u_char	sc_sien;
+	u_char	sc_dien;
+	u_char  sc_minsync;
+   struct map *hus_map;
+	/* one for each target */
+	struct syncpar {
+		u_char state;
+		u_char sxfer;
+		u_char sbcl;
+	} sc_sync[8];
+};
+
+/* sync states */
+#define SYNC_START	0	/* no sync handshake started */
+#define SYNC_SENT	1	/* we sent sync request, no answer yet */
+#define SYNC_DONE	2	/* target accepted our (or inferior) settings,
+				   or it rejected the request and we stay async */
+
+#define IOPB_SCSI    0x20
+#define IOPB_RESET   0x22
+#define IOPB_INIT    0x41
+#define IOPB_WQINIT  0x42
+#define IOPB_DEV_RESET   0x4D
+
+#define OPT_INTEN    0x0001
+#define OPT_INTDIS   0x0000
+#define OPT_SG       0x0002
+#define OPT_SST      0x0004
+#define OPT_SIT      0x0040
+#define OPT_READ     0x0000
+#define OPT_WRITE    0x0100
+
+#define AM_S32       0x01
+#define AM_S16       0x05
+#define AM_16        0x0100
+#define AM_32        0x0200
+#define AM_SHORT     0x0300
+#define AM_NORMAL    0x0000
+#define AM_BLOCK     0x0400
+#define AM_D64BLOCK  0x0C00
+
+#define WQO_AE             0x0001   /* abort enable bit */
+#define WQO_FOE            0x0004   /* freeze on error */
+#define WQO_PE             0x0008   /* parity enable bit */
+#define WQO_ARE            0x0010   /* autosense recovery enable bit */
+#define WQO_RFWQ           0x0020   /* report frozen work queue bit */
+#define WQO_INIT           0x8000   /* work queue init bit */
+
+void vs_minphys __P((struct buf *bp));
+int vs_scsicmd __P((struct scsi_xfer *));
+
+#endif /* _M328VAR_H */