diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
commit | d6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch) | |
tree | ece253b876159b39c620e62b6c9b1174642e070e /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.h | 208 |
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 */ |