Return to scsi_disk.h CVS log

Up to [Net/2] / Net2 / scsi

Annotation of Net2/scsi/scsi_disk.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * HISTORY
        !             3:  * $Log: scsi_disk.h,v $
        !             4:  * Revision 1.1  1993/03/21 18:13:00  cgd
        !             5:  * after 0.2.2 "stable" patches applied
        !             6:  *
        !             7:  * Revision 1.2  1992/10/13  03:14:21  julian
        !             8:  * added the load-eject field in 'start/stop' for removable devices.
        !             9:  *
        !            10:  * Revision 1.1  1992/09/26  22:11:29  julian
        !            11:  * Initial revision
        !            12:  *
        !            13:  *
        !            14:  * PATCHES MAGIC                LEVEL   PATCH THAT GOT US HERE
        !            15:  * --------------------         -----   ----------------------
        !            16:  * CURRENT PATCH LEVEL:         1       00098
        !            17:  * --------------------         -----   ----------------------
        !            18:  *
        !            19:  * 16 Feb 93   Julian Elischer         ADDED for SCSI system
        !            20:  * 
        !            21:  */
        !            22: 
        !            23: /*
        !            24:  * SCSI interface description
        !            25:  */
        !            26: 
        !            27: /*
        !            28:  * Some lines of this file comes from a file of the name "scsi.h"
        !            29:  * distributed by OSF as part of mach2.5,
        !            30:  *  so the following disclaimer has been kept.
        !            31:  *
        !            32:  * Copyright 1990 by Open Software Foundation,
        !            33:  * Grenoble, FRANCE
        !            34:  *
        !            35:  *             All Rights Reserved
        !            36:  * 
        !            37:  *   Permission to use, copy, modify, and distribute this software and
        !            38:  * its documentation for any purpose and without fee is hereby granted,
        !            39:  * provided that the above copyright notice appears in all copies and
        !            40:  * that both the copyright notice and this permission notice appear in
        !            41:  * supporting documentation, and that the name of OSF or Open Software
        !            42:  * Foundation not be used in advertising or publicity pertaining to
        !            43:  * distribution of the software without specific, written prior
        !            44:  * permission.
        !            45:  * 
        !            46:  *   OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
        !            47:  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
        !            48:  * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
        !            49:  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
        !            50:  * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
        !            51:  * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
        !            52:  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            53:  */
        !            54: 
        !            55: /*
        !            56:  * Largely written by Julian Elischer ([email protected])
        !            57:  * for TRW Financial Systems.
        !            58:  *
        !            59:  * TRW Financial Systems, in accordance with their agreement with Carnegie
        !            60:  * Mellon University, makes this software available to CMU to distribute
        !            61:  * or use in any manner that they see fit as long as this message is kept with 
        !            62:  * the software. For this reason TFS also grants any other persons or
        !            63:  * organisations permission to use or modify this software.
        !            64:  *
        !            65:  * TFS supplies this software to be publicly redistributed
        !            66:  * on the understanding that TFS is not responsible for the correct
        !            67:  * functioning of this software in any circumstances.
        !            68:  *
        !            69:  */
        !            70: 
        !            71: /*
        !            72:  * Ported to run under 386BSD by Julian Elischer ([email protected]) Sept 1992
        !            73:  */
        !            74: 
        !            75: /*
        !            76:  * SCSI command format
        !            77:  */
        !            78: 
        !            79: 
        !            80: struct scsi_reassign_blocks
        !            81: {
        !            82:        u_char  op_code;
        !            83:        u_char  :5;
        !            84:        u_char  lun:3;  
        !            85:        u_char  unused[3];
        !            86:        u_char  link:1;
        !            87:        u_char  flag:1;
        !            88:        u_char  :6;
        !            89: };
        !            90: 
        !            91: struct scsi_rw
        !            92: {
        !            93:        u_char  op_code;
        !            94:        u_char  addr_2:5;       /* Most significant */
        !            95:        u_char  lun:3;
        !            96:        u_char  addr_1;
        !            97:        u_char  addr_0;         /* least significant */
        !            98:        u_char  length;
        !            99:        u_char  link:1;
        !           100:        u_char  flag:1;
        !           101:        u_char  :6;
        !           102: };
        !           103: 
        !           104: struct scsi_rw_big
        !           105: {
        !           106:        u_char  op_code;
        !           107:        u_char  rel_addr:1;
        !           108:        u_char  :4;     /* Most significant */
        !           109:        u_char  lun:3;
        !           110:        u_char  addr_3;
        !           111:        u_char  addr_2;
        !           112:        u_char  addr_1;
        !           113:        u_char  addr_0;         /* least significant */
        !           114:        u_char  reserved;;
        !           115:        u_char  length2;
        !           116:        u_char  length1;
        !           117:        u_char  link:1;
        !           118:        u_char  flag:1;
        !           119:        u_char  :4;
        !           120:        u_char  vendor:2;
        !           121: };
        !           122: 
        !           123: struct scsi_read_capacity
        !           124: {
        !           125:        u_char  op_code;
        !           126:        u_char  :5;
        !           127:        u_char  lun:3;
        !           128:        u_char  addr_3; /* Most Significant */
        !           129:        u_char  addr_2;
        !           130:        u_char  addr_1;
        !           131:        u_char  addr_0; /* Least Significant */
        !           132:        u_char  unused[3];
        !           133:        u_char  link:1;
        !           134:        u_char  flag:1;
        !           135:        u_char  :6;     
        !           136: };
        !           137: 
        !           138: struct scsi_start_stop
        !           139: {
        !           140:        u_char  op_code;
        !           141:        u_char  :5;
        !           142:        u_char  lun:3;
        !           143:        u_char  unused[2];
        !           144:        u_char  start:1;
        !           145:        u_char  loej:1;
        !           146:        u_char  :6;
        !           147:        u_char  link:1;
        !           148:        u_char  flag:1;
        !           149:        u_char  :6;
        !           150: };
        !           151: 
        !           152: 
        !           153: 
        !           154: /*
        !           155:  * Opcodes
        !           156:  */
        !           157: 
        !           158: #define        REASSIGN_BLOCKS         0x07
        !           159: #define        READ_COMMAND            0x08
        !           160: #define WRITE_COMMAND          0x0a
        !           161: #define MODE_SELECT            0x15
        !           162: #define MODE_SENSE             0x1a
        !           163: #define START_STOP             0x1b
        !           164: #define PREVENT_ALLOW          0x1e
        !           165: #define        READ_CAPACITY           0x25
        !           166: #define        READ_BIG                0x28
        !           167: #define WRITE_BIG              0x2a
        !           168: 
        !           169: 
        !           170: 
        !           171: struct scsi_read_cap_data
        !           172: {
        !           173:        u_char  addr_3; /* Most significant */
        !           174:        u_char  addr_2;
        !           175:        u_char  addr_1;
        !           176:        u_char  addr_0; /* Least significant */
        !           177:        u_char  length_3;       /* Most significant */
        !           178:        u_char  length_2;
        !           179:        u_char  length_1;
        !           180:        u_char  length_0;       /* Least significant */
        !           181: };
        !           182: 
        !           183: struct scsi_reassign_blocks_data
        !           184: {
        !           185:        u_char  reserved[2];
        !           186:        u_char  length_msb;
        !           187:        u_char  length_lsb;
        !           188:        struct
        !           189:        {
        !           190:                u_char  dlbaddr_3;      /* defect logical block address (MSB) */
        !           191:                u_char  dlbaddr_2;
        !           192:                u_char  dlbaddr_1;
        !           193:                u_char  dlbaddr_0;      /* defect logical block address (LSB) */
        !           194:        } defect_descriptor[1];
        !           195: };
        !           196: 
        !           197: union  disk_pages /* this is the structure copied from osf */
        !           198: {
        !           199:        struct page_disk_format {
        !           200:           u_char pg_code:6;    /* page code (should be 3)            */
        !           201:           u_char :2;           
        !           202:           u_char pg_length;    /* page length (should be 0x16)       */
        !           203:           u_char trk_z_1;      /* tracks per zone (MSB)              */
        !           204:           u_char trk_z_0;      /* tracks per zone (LSB)              */
        !           205:           u_char alt_sec_1;    /* alternate sectors per zone (MSB)   */
        !           206:           u_char alt_sec_0;    /* alternate sectors per zone (LSB)   */
        !           207:           u_char alt_trk_z_1;  /* alternate tracks per zone (MSB)    */
        !           208:           u_char alt_trk_z_0;  /* alternate tracks per zone (LSB)    */
        !           209:           u_char alt_trk_v_1;  /* alternate tracks per volume (MSB)  */
        !           210:           u_char alt_trk_v_0;  /* alternate tracks per volume (LSB)  */
        !           211:           u_char ph_sec_t_1;   /* physical sectors per track (MSB)   */
        !           212:           u_char ph_sec_t_0;   /* physical sectors per track (LSB)   */
        !           213:           u_char bytes_s_1;    /* bytes per sector (MSB)             */
        !           214:           u_char bytes_s_0;    /* bytes per sector (LSB)             */
        !           215:           u_char interleave_1;/* interleave (MSB)                    */
        !           216:           u_char interleave_0;/* interleave (LSB)                    */
        !           217:           u_char trk_skew_1;   /* track skew factor (MSB)            */
        !           218:           u_char trk_skew_0;   /* track skew factor (LSB)            */
        !           219:           u_char cyl_skew_1;   /* cylinder skew (MSB)                */
        !           220:           u_char cyl_skew_0;   /* cylinder skew (LSB)                */
        !           221:           u_char reserved1:4;
        !           222:           u_char surf:1;
        !           223:           u_char rmb:1;
        !           224:           u_char hsec:1;
        !           225:           u_char ssec:1;
        !           226:           u_char reserved2;
        !           227:           u_char reserved3;
        !           228:        } disk_format;
        !           229:        struct page_rigid_geometry {
        !           230:           u_char pg_code:7;    /* page code (should be 4)            */
        !           231:           u_char mbone:1;      /* must be one                        */
        !           232:           u_char pg_length;    /* page length (should be 0x16)       */
        !           233:           u_char ncyl_2;       /* number of cylinders (MSB)          */
        !           234:           u_char ncyl_1;       /* number of cylinders                */
        !           235:           u_char ncyl_0;       /* number of cylinders (LSB)          */
        !           236:           u_char nheads;       /* number of heads                    */
        !           237:           u_char st_cyl_wp_2;  /* starting cyl., write precomp (MSB) */
        !           238:           u_char st_cyl_wp_1;  /* starting cyl., write precomp       */
        !           239:           u_char st_cyl_wp_0;  /* starting cyl., write precomp (LSB) */
        !           240:           u_char st_cyl_rwc_2;/* starting cyl., red. write cur (MSB)*/
        !           241:           u_char st_cyl_rwc_1;/* starting cyl., red. write cur      */
        !           242:           u_char st_cyl_rwc_0;/* starting cyl., red. write cur (LSB)*/
        !           243:           u_char driv_step_1;  /* drive step rate (MSB)              */
        !           244:           u_char driv_step_0;  /* drive step rate (LSB)              */
        !           245:           u_char land_zone_2;  /* landing zone cylinder (MSB)        */
        !           246:           u_char land_zone_1;  /* landing zone cylinder              */
        !           247:           u_char land_zone_0;  /* landing zone cylinder (LSB)        */
        !           248:           u_char reserved1;
        !           249:           u_char reserved2;
        !           250:           u_char reserved3;
        !           251:        } rigid_geometry;
        !           252: } ;

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.