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authorTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
commitd6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch)
treeece253b876159b39c620e62b6c9b1174642e070e /sys/scsi/scsi_disk.h
initial import of NetBSD tree
Diffstat (limited to 'sys/scsi/scsi_disk.h')
-rw-r--r--sys/scsi/scsi_disk.h208
1 files changed, 208 insertions, 0 deletions
diff --git a/sys/scsi/scsi_disk.h b/sys/scsi/scsi_disk.h
new file mode 100644
index 00000000000..1039f58b88a
--- /dev/null
+++ b/sys/scsi/scsi_disk.h
@@ -0,0 +1,208 @@
+/* $NetBSD: scsi_disk.h,v 1.7 1994/12/28 19:43:02 mycroft Exp $ */
+
+/*
+ * SCSI interface description
+ */
+
+/*
+ * Some lines of this file come from a file of the name "scsi.h"
+ * distributed by OSF as part of mach2.5,
+ * so the following disclaimer has been kept.
+ *
+ * Copyright 1990 by Open Software Foundation,
+ * Grenoble, FRANCE
+ *
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and
+ * its documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appears in all copies and
+ * that both the copyright notice and this permission notice appear in
+ * supporting documentation, and that the name of OSF or Open Software
+ * Foundation not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission.
+ *
+ * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
+ * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
+ * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Largely 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 command format
+ */
+
+#ifndef _SCSI_SCSI_DISK_H
+#define _SCSI_SCSI_DISK_H 1
+
+struct scsi_reassign_blocks {
+ u_char opcode;
+ u_char byte2;
+ u_char unused[3];
+ u_char control;
+};
+
+struct scsi_rw {
+ u_char opcode;
+ u_char addr_2; /* Most significant */
+#define SRW_TOPADDR 0x1F /* only 5 bits here */
+ u_char addr_1;
+ u_char addr_0; /* least significant */
+ u_char length;
+ u_char control;
+};
+
+struct scsi_rw_big {
+ u_char opcode;
+ u_char byte2;
+#define SRWB_RELADDR 0x01
+ u_char addr_3; /* Most significant */
+ u_char addr_2;
+ u_char addr_1;
+ u_char addr_0; /* least significant */
+ u_char reserved;
+ u_char length2;
+ u_char length1;
+ u_char control;
+};
+
+struct scsi_read_capacity {
+ u_char opcode;
+ u_char byte2;
+ u_char addr_3; /* Most Significant */
+ u_char addr_2;
+ u_char addr_1;
+ u_char addr_0; /* Least Significant */
+ u_char unused[3];
+ u_char control;
+};
+
+struct scsi_start_stop {
+ u_char opcode;
+ u_char byte2;
+ u_char unused[2];
+ u_char how;
+#define SSS_STOP 0x00
+#define SSS_START 0x01
+#define SSS_LOEJ 0x02
+ u_char control;
+};
+
+
+
+/*
+ * Opcodes
+ */
+
+#define REASSIGN_BLOCKS 0x07
+#define READ_COMMAND 0x08
+#define WRITE_COMMAND 0x0a
+#define MODE_SELECT 0x15
+#define MODE_SENSE 0x1a
+#define START_STOP 0x1b
+#define PREVENT_ALLOW 0x1e
+#define READ_CAPACITY 0x25
+#define READ_BIG 0x28
+#define WRITE_BIG 0x2a
+
+
+struct scsi_read_cap_data {
+ u_char addr_3; /* Most significant */
+ u_char addr_2;
+ u_char addr_1;
+ u_char addr_0; /* Least significant */
+ u_char length_3; /* Most significant */
+ u_char length_2;
+ u_char length_1;
+ u_char length_0; /* Least significant */
+};
+
+struct scsi_reassign_blocks_data {
+ u_char reserved[2];
+ u_char length_msb;
+ u_char length_lsb;
+ struct {
+ u_char dlbaddr_3; /* defect logical block address (MSB) */
+ u_char dlbaddr_2;
+ u_char dlbaddr_1;
+ u_char dlbaddr_0; /* defect logical block address (LSB) */
+ } defect_descriptor[1];
+};
+
+union disk_pages { /* this is the structure copied from osf */
+ struct page_disk_format {
+ u_char pg_code; /* page code (should be 3) */
+#define DISK_PGCODE 0x3F /* only 6 bits valid */
+ u_char pg_length; /* page length (should be 0x16) */
+ u_char trk_z_1; /* tracks per zone (MSB) */
+ u_char trk_z_0; /* tracks per zone (LSB) */
+ u_char alt_sec_1; /* alternate sectors per zone (MSB) */
+ u_char alt_sec_0; /* alternate sectors per zone (LSB) */
+ u_char alt_trk_z_1; /* alternate tracks per zone (MSB) */
+ u_char alt_trk_z_0; /* alternate tracks per zone (LSB) */
+ u_char alt_trk_v_1; /* alternate tracks per volume (MSB) */
+ u_char alt_trk_v_0; /* alternate tracks per volume (LSB) */
+ u_char ph_sec_t_1; /* physical sectors per track (MSB) */
+ u_char ph_sec_t_0; /* physical sectors per track (LSB) */
+ u_char bytes_s_1; /* bytes per sector (MSB) */
+ u_char bytes_s_0; /* bytes per sector (LSB) */
+ u_char interleave_1;/* interleave (MSB) */
+ u_char interleave_0;/* interleave (LSB) */
+ u_char trk_skew_1; /* track skew factor (MSB) */
+ u_char trk_skew_0; /* track skew factor (LSB) */
+ u_char cyl_skew_1; /* cylinder skew (MSB) */
+ u_char cyl_skew_0; /* cylinder skew (LSB) */
+ u_char flags; /* various */
+#define DISK_FMT_SURF 0x10
+#define DISK_FMT_RMB 0x20
+#define DISK_FMT_HSEC 0x40
+#define DISK_FMT_SSEC 0x80
+ u_char reserved2;
+ u_char reserved3;
+ } disk_format;
+ struct page_rigid_geometry {
+ u_char pg_code; /* page code (should be 4) */
+ u_char pg_length; /* page length (should be 0x16) */
+ u_char ncyl_2; /* number of cylinders (MSB) */
+ u_char ncyl_1; /* number of cylinders */
+ u_char ncyl_0; /* number of cylinders (LSB) */
+ u_char nheads; /* number of heads */
+ u_char st_cyl_wp_2; /* starting cyl., write precomp (MSB) */
+ u_char st_cyl_wp_1; /* starting cyl., write precomp */
+ u_char st_cyl_wp_0; /* starting cyl., write precomp (LSB) */
+ u_char st_cyl_rwc_2;/* starting cyl., red. write cur (MSB)*/
+ u_char st_cyl_rwc_1;/* starting cyl., red. write cur */
+ u_char st_cyl_rwc_0;/* starting cyl., red. write cur (LSB)*/
+ u_char driv_step_1; /* drive step rate (MSB) */
+ u_char driv_step_0; /* drive step rate (LSB) */
+ u_char land_zone_2; /* landing zone cylinder (MSB) */
+ u_char land_zone_1; /* landing zone cylinder */
+ u_char land_zone_0; /* landing zone cylinder (LSB) */
+ u_char reserved1;
+ u_char reserved2;
+ u_char reserved3;
+ } rigid_geometry;
+};
+
+#endif /* _SCSI_SCSI_DISK_H */