/* * HISTORY * $Log: scsi_all.h,v $ * Revision 1.1.1.1 1993/06/12 14:57:27 rgrimes * Initial import, 0.1 + pk 0.2.4-B1 * * Revision 1.2 1992/11/20 23:07:13 julian * add a definition for device type T_NODEVICE * * Revision 1.1 1992/09/26 22:14:02 julian * Initial revision * * */ /* * SCSI general interface description */ /* * 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 */ struct scsi_generic { u_char opcode; u_char bytes[11]; }; struct scsi_test_unit_ready { u_char op_code; u_char :5; u_char lun:3; u_char unused[3]; u_char link:1; u_char flag:4; u_char :3; }; struct scsi_send_diag { u_char op_code; u_char uol:1; u_char dol:1; u_char selftest:1; u_char :1; u_char pf:1; u_char lun:3; u_char unused[1]; u_char paramlen[2]; u_char link:1; u_char flag:4; u_char :3; }; struct scsi_sense { u_char op_code; u_char :5; u_char lun:3; u_char unused[2]; u_char length; u_char link:1; u_char flag:1; u_char :6; }; struct scsi_inquiry { u_char op_code; u_char :5; u_char lun:3; u_char unused[2]; u_char length; u_char link:1; u_char flag:1; u_char :6; }; struct scsi_mode_sense { u_char op_code; u_char :3; u_char dbd:1; u_char rsvd:1; u_char lun:3; u_char page_code:6; u_char page_ctrl:2; u_char unused; u_char length; u_char link:1; u_char flag:1; u_char :6; }; struct scsi_mode_sense_big { u_char op_code; u_char :3; u_char dbd:1; u_char rsvd:1; u_char lun:3; u_char page_code:6; u_char page_ctrl:2; u_char unused[4]; u_char length[2]; u_char link:1; u_char flag:1; u_char :6; }; struct scsi_mode_select { u_char op_code; u_char sp:1; u_char :3; u_char pf:1; u_char lun:3; u_char unused[2]; u_char length; u_char link:1; u_char flag:1; u_char :6; }; struct scsi_mode_select_big { u_char op_code; u_char sp:1; u_char :3; u_char pf:1; u_char lun:3; u_char unused[5]; u_char length[2]; u_char link:1; u_char flag:1; u_char :6; }; struct scsi_reserve { u_char op_code; u_char :5; u_char lun:3; u_char unused[2]; u_char length; u_char link:1; u_char flag:1; u_char :6; }; struct scsi_release { u_char op_code; u_char :5; u_char lun:3; u_char unused[2]; u_char length; u_char link:1; u_char flag:1; u_char :6; }; struct scsi_prevent { u_char op_code; u_char :5; u_char lun:3; u_char unused[2]; u_char prevent:1; u_char :7; u_char link:1; u_char flag:1; u_char :6; }; #define PR_PREVENT 1 #define PR_ALLOW 0 /* * Opcodes */ #define TEST_UNIT_READY 0x00 #define REQUEST_SENSE 0x03 #define INQUIRY 0x12 #define MODE_SELECT 0x15 #define MODE_SENSE 0x1a #define START_STOP 0x1b #define RESERVE 0x16 #define RELEASE 0x17 #define PREVENT_ALLOW 0x1e #define POSITION_TO_ELEMENT 0x2b #define MODE_SENSE_BIG 0x54 #define MODE_SELECT_BIG 0x55 #define MOVE_MEDIUM 0xa5 #define READ_ELEMENT_STATUS 0xb8 /* * sense data format */ #define T_DIRECT 0 #define T_SEQUENTIAL 1 #define T_PRINTER 2 #define T_PROCESSOR 3 #define T_WORM 4 #define T_READONLY 5 #define T_SCANNER 6 #define T_OPTICAL 7 #define T_NODEVICE 0x1F #define T_CHANGER 8 #define T_COMM 9 #define T_REMOV 1 #define T_FIXED 0 struct scsi_inquiry_data { u_char device_type:5; u_char device_qualifier:3; u_char dev_qual2:7; u_char removable:1; u_char ansii_version:3; u_char :5; u_char response_format; u_char additional_length; u_char unused[2]; u_char :3; u_char can_link:1; u_char can_sync:1; u_char :3; char vendor[8]; char product[16]; char revision[4]; u_char extra[8]; }; struct scsi_sense_data { u_char error_code:4; u_char error_class:3; u_char valid:1; union { struct { u_char blockhi:5; u_char vendor:3; u_char blockmed; u_char blocklow; } unextended; struct { u_char segment; u_char sense_key:4; u_char :1; u_char ili:1; u_char eom:1; u_char filemark:1; u_char info[4]; u_char extra_len; /* allocate enough room to hold new stuff u_char cmd_spec_info[4]; u_char add_sense_code; u_char add_sense_code_qual; u_char fru; u_char sense_key_spec_1:7; u_char sksv:1; u_char sense_key_spec_2; u_char sense_key_spec_3; ( by increasing 16 to 26 below) */ u_char extra_bytes[26]; } extended; }ext; }; struct scsi_sense_data_new { u_char error_code:7; u_char valid:1; union { struct { u_char blockhi:5; u_char vendor:3; u_char blockmed; u_char blocklow; } unextended; struct { u_char segment; u_char sense_key:4; u_char :1; u_char ili:1; u_char eom:1; u_char filemark:1; u_char info[4]; u_char extra_len; u_char cmd_spec_info[4]; u_char add_sense_code; u_char add_sense_code_qual; u_char fru; u_char sense_key_spec_1:7; u_char sksv:1; u_char sense_key_spec_2; u_char sense_key_spec_3; u_char extra_bytes[16]; } extended; }ext; }; struct blk_desc { u_char density; u_char nblocks[3]; u_char reserved; u_char blklen[3]; }; struct scsi_mode_header { u_char data_length; /* Sense data length */ u_char medium_type; u_char dev_spec; u_char blk_desc_len; }; struct scsi_mode_header_big { u_char data_length[2]; /* Sense data length */ u_char medium_type; u_char dev_spec; u_char unused[2]; u_char blk_desc_len[2]; }; /* * Status Byte */ #define SCSI_OK 0x00 #define SCSI_CHECK 0x02 #define SCSI_BUSY 0x08 #define SCSI_INTERM 0x10