initial import of NetBSD tree

1 files changed, 209 insertions, 0 deletions

diff --git a/sys/scsi/scsi_tape.h b/sys/scsi/scsi_tape.h
new file mode 100644
index 00000000000..4ff8042e75b
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+++ b/sys/scsi/scsi_tape.h
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+/*	$NetBSD: scsi_tape.h,v 1.6 1994/12/28 19:43:08 mycroft Exp $	*/
+
+/*
+ * Copyright (c) 1994 Charles Hannum.  All rights reserved.
+ *
+ * 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 Charles Hannum.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+/*
+ * Originally written by Julian Elischer (julian@tfs.com)
+ * for TRW Financial Systems.
+ *
+ * TRW Financial Systems, in accordance with their agreement with Carnegie
+ * Mellon University, makes this software available to CMU to distribute
+ * or use in any manner that they see fit as long as this message is kept with 
+ * the software. For this reason TFS also grants any other persons or
+ * organisations permission to use or modify this software.
+ *
+ * TFS supplies this software to be publicly redistributed
+ * on the understanding that TFS is not responsible for the correct
+ * functioning of this software in any circumstances.
+ *
+ * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
+ */
+
+/*
+ * SCSI tape interface description
+ */
+
+#ifndef	_SCSI_TAPE_H_
+#define _SCSI_TAPE_H_ 1
+
+/*
+ * SCSI command formats
+ */
+
+#define	READ			0x08
+#define WRITE			0x0a
+struct scsi_rw_tape {
+	u_char	opcode;
+	u_char	byte2;
+#define	SRW_FIXED		0x01
+	u_char	len[3];
+	u_char	control;
+};
+
+#define	SPACE			0x11
+struct scsi_space {
+	u_char	opcode;
+	u_char	byte2;
+#define	SS_CODE			0x03
+#define SP_BLKS			0x00
+#define SP_FILEMARKS		0x01
+#define SP_SEQ_FILEMARKS	0x02
+#define	SP_EOM			0x03
+	u_char	number[3];
+	u_char	control;
+};
+
+#define	WRITE_FILEMARKS		0x10
+struct scsi_write_filemarks {
+	u_char	opcode;
+	u_char	byte2;
+	u_char	number[3];
+	u_char	control;
+};
+
+#define REWIND			0x01
+struct scsi_rewind {
+	u_char	opcode;
+	u_char	byte2;
+#define	SR_IMMED		0x01
+	u_char	unused[3];
+	u_char	control;
+};
+
+#define LOAD			0x1b
+struct scsi_load {
+	u_char	opcode;
+	u_char	byte2;
+#define	SL_IMMED		0x01
+	u_char	unused[2];
+	u_char	how;
+#define LD_UNLOAD		0x00
+#define LD_LOAD			0x01
+#define LD_RETENSION		0x02
+	u_char	control;
+};
+
+#define	READ_BLOCK_LIMITS	0x05
+struct scsi_block_limits {
+	u_char	opcode;
+	u_char	byte2;
+	u_char	unused[3];
+	u_char	control;
+};
+
+struct scsi_block_limits_data {
+	u_char	reserved;
+	u_char	max_length_2;	/* Most significant */
+	u_char	max_length_1;
+	u_char	max_length_0;	/* Least significant */
+	u_char	min_length_1;	/* Most significant */
+	u_char	min_length_0;	/* Least significant */
+};
+
+/* defines for the device specific byte in the mode select/sense header */
+#define	SMH_DSP_SPEED		0x0F
+#define	SMH_DSP_BUFF_MODE	0x70
+#define	SMH_DSP_BUFF_MODE_OFF	0x00
+#define	SMH_DSP_BUFF_MODE_ON	0x10
+#define	SMH_DSP_BUFF_MODE_MLTI	0x20
+#define	SMH_DSP_WRITE_PROT	0x80
+
+/* A special for the CIPHER ST150S(old drive) */
+struct block_desc_cipher {
+	u_char	density;
+	u_char	nblocks[3];
+	u_char	reserved;
+	u_char	blklen[3];
+	u_char  other;
+#define ST150_SEC		0x01	/* soft error count */
+#define	SR150_AUI		0x02	/* autoload inhibit */
+};
+
+/**********************************************************************
+			from the scsi2 spec
+                Value Tracks Density(bpi) Code Type  Reference     Note
+                0x1     9       800       NRZI  R    X3.22-1983    2
+                0x2     9      1600       PE    R    X3.39-1986    2
+                0x3     9      6250       GCR   R    X3.54-1986    2
+                0x5    4/9     8000       GCR   C    X3.136-1986   1
+                0x6     9      3200       PE    R    X3.157-1987   2
+                0x7     4      6400       IMFM  C    X3.116-1986   1
+                0x8     4      8000       GCR   CS   X3.158-1986   1
+                0x9    18     37871       GCR   C    X3B5/87-099   2
+                0xA    22      6667       MFM   C    X3B5/86-199   1
+                0xB     4      1600       PE    C    X3.56-1986    1
+                0xC    24     12690       GCR   C    HI-TC1        1,5
+                0xD    24     25380       GCR   C    HI-TC2        1,5
+                0xF    15     10000       GCR   C    QIC-120       1,5
+                0x10   18     10000       GCR   C    QIC-150       1,5
+                0x11   26     16000       GCR   C    QIC-320(525?) 1,5
+                0x12   30     51667       RLL   C    QIC-1350      1,5
+                0x13    1     61000       DDS   CS    X3B5/88-185A 4
+                0x14    1     43245       RLL   CS    X3.202-1991  4
+                0x15    1     45434       RLL   CS    ECMA TC17    4
+                0x16   48     10000       MFM   C     X3.193-1990  1
+                0x17   48     42500       MFM   C     X3B5/91-174  1
+
+                where Code means:
+                NRZI Non Return to Zero, change on ones
+                GCR  Group Code Recording
+                PE   Phase Encoded
+                IMFM Inverted Modified Frequency Modulation
+                MFM  Modified Frequency Modulation
+                DDS  Dat Data Storage
+                RLL  Run Length Encoding
+
+                where Type means:
+                R    Reel-to-Reel
+                C    Cartridge
+                CS   cassette
+
+                where Notes means:
+                1    Serial Recorded
+                2    Parallel Recorded
+                3    Old format know as QIC-11
+                4    Helical Scan
+                5    Not ANSI standard, rather industry standard.
+********************************************************************/
+
+#define	HALFINCH_800	0x01
+#define	HALFINCH_1600	0x02
+#define	HALFINCH_6250	0x03
+#define	QIC_11		0x04	/* from Archive 150S Theory of Op. XXX	*/
+#define QIC_24		0x05	/* may be bad, works for CIPHER ST150S XXX */
+#define QIC_120		0x0f
+#define QIC_150		0x10
+#define QIC_320		0x11
+#define QIC_525		0x11
+#define QIC_1320	0x12
+#define DDS		0x13
+#define DAT_1		0x13
+
+#endif /* _SCSI_TAPE_H_ */