diff options
Diffstat (limited to 'sys/scsi/scsi_all.h')
| -rw-r--r-- | sys/scsi/scsi_all.h | 340 |
1 files changed, 340 insertions, 0 deletions
diff --git a/sys/scsi/scsi_all.h b/sys/scsi/scsi_all.h new file mode 100644 index 0000000..ad05f0f --- /dev/null +++ b/sys/scsi/scsi_all.h @@ -0,0 +1,340 @@ +/* + * 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 + * + * $Id: scsi_all.h,v 1.6 1993/11/18 05:02:49 rgrimes Exp $ + */ + +/* + * SCSI general interface description + */ + +#ifndef _SCSI_SCSI_ALL_H +#define _SCSI_SCSI_ALL_H 1 +/* + * SCSI command format + */ + +/* + * Define dome bits that are in ALL (or a lot of) scsi commands + */ +#define SCSI_CTL_LINK 0x01 +#define SCSI_CTL_FLAG 0x02 +#define SCSI_CTL_VENDOR 0xC0 +#define SCSI_CMD_LUN 0xA0 /* these two should not be needed */ +#define SCSI_CMD_LUN_SHIFT 5 /* LUN in the cmd is no longer SCSI */ + + +struct scsi_generic +{ + u_char opcode; + u_char bytes[11]; +}; + +struct scsi_test_unit_ready +{ + u_char op_code; + u_char byte2; + u_char unused[3]; + u_char control; +}; + +struct scsi_send_diag +{ + u_char op_code; + u_char byte2; +#define SSD_UOL 0x01 +#define SSD_DOL 0x02 +#define SSD_SELFTEST 0x04 +#define SSD_PF 0x10 + u_char unused[1]; + u_char paramlen[2]; + u_char control; +}; + +struct scsi_sense +{ + u_char op_code; + u_char byte2; + u_char unused[2]; + u_char length; + u_char control; +}; + +struct scsi_inquiry +{ + u_char op_code; + u_char byte2; + u_char unused[2]; + u_char length; + u_char control; +}; + +struct scsi_mode_sense +{ + u_char op_code; + u_char byte2; +#define SMS_DBD 0x08 + u_char page; +#define SMS_PAGE_CODE 0x3F +#define SMS_PAGE_CTRL 0xC0 +#define SMS_PAGE_CTRL_CURRENT 0x00 +#define SMS_PAGE_CTRL_CHANGEABLE 0x40 +#define SMS_PAGE_CTRL_DEFAULT 0x80 +#define SMS_PAGE_CTRL_SAVED 0xC0 + u_char unused; + u_char length; + u_char control; +}; + +struct scsi_mode_sense_big +{ + u_char op_code; + u_char byte2; /* same bits as small version */ + u_char page; /* same bits as small version */ + u_char unused[4]; + u_char length[2]; + u_char control; +}; + +struct scsi_mode_select +{ + u_char op_code; + u_char byte2; +#define SMS_SP 0x01 +#define SMS_PF 0x10 + u_char unused[2]; + u_char length; + u_char control; +}; + +struct scsi_mode_select_big +{ + u_char op_code; + u_char byte2; /* same bits as small version */ + u_char unused[5]; + u_char length[2]; + u_char control; +}; + +struct scsi_reserve +{ + u_char op_code; + u_char byte2; + u_char unused[2]; + u_char length; + u_char control; +}; + +struct scsi_release +{ + u_char op_code; + u_char byte2; + u_char unused[2]; + u_char length; + u_char control; +}; + +struct scsi_prevent +{ + u_char op_code; + u_char byte2; + u_char unused[2]; + u_char how; + u_char control; +}; +#define PR_PREVENT 0x01 +#define PR_ALLOW 0x00 + +struct scsi_changedef +{ + u_char op_code; + u_char byte2; + u_char unused1; + u_char how; + u_char unused[4]; + u_char datalen; + u_char control; +}; +#define SC_SCSI_1 0x01 +#define SC_SCSI_2 0x03 + +/* + * 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 CHANGE_DEFINITION 0x40 +#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; +#define SID_TYPE 0x1F +#define SID_QUAL 0xE0 +#define SID_QUAL_LU_OK 0x00 +#define SID_QUAL_LU_OFFLINE 0x20 +#define SID_QUAL_RSVD 0x40 +#define SID_QUAL_BAD_LU 0x60 + u_char dev_qual2; +#define SID_QUAL2 0x7F +#define SID_REMOVABLE 0x80 + u_char version; +#define SID_ANSII 0x07 +#define SID_ECMA 0x38 +#define SID_ISO 0xC0 + u_char response_format; + u_char additional_length; + u_char unused[2]; + u_char flags; +#define SID_SftRe 0x01 +#define SID_CmdQue 0x02 +#define SID_Linked 0x08 +#define SID_Sync 0x10 +#define SID_WBus16 0x20 +#define SID_WBus32 0x40 +#define SID_RelAdr 0x80 + char vendor[8]; + char product[16]; + char revision[4]; + u_char extra[8]; +}; + + +struct scsi_sense_data +{ +/* 1*/ u_char error_code; /* same bits as new version */ + union + { + struct + { +/* 2*/ u_char blockhi; +/* 3*/ u_char blockmed; +/* 4*/ u_char blocklow; + } unextended; + struct + { +/* 2*/ u_char segment; +/* 3*/ u_char flags; /* same bits as new version */ +/* 7*/ u_char info[4]; +/* 8*/ u_char extra_len; + /* allocate enough room to hold new stuff + ( by increasing 16 to 24 below) */ +/*32*/ u_char extra_bytes[24]; + } extended; + }ext; +}; /* total of 32 bytes */ +struct scsi_sense_data_new +{ +/* 1*/ u_char error_code; +#define SSD_ERRCODE 0x7F +#define SSD_ERRCODE_VALID 0x80 + union + { + struct /* this is deprecated, the standard says "DON'T"*/ + { +/* 2*/ u_char blockhi; +/* 3*/ u_char blockmed; +/* 4*/ u_char blocklow; + } unextended; + struct + { +/* 2*/ u_char segment; +/* 3*/ u_char flags; +#define SSD_KEY 0x0F +#define SSD_ILI 0x20 +#define SSD_EOM 0x40 +#define SSD_FILEMARK 0x80 +/* 7*/ u_char info[4]; +/* 8*/ u_char extra_len; +/*12*/ u_char cmd_spec_info[4]; +/*13*/ u_char add_sense_code; +/*14*/ u_char add_sense_code_qual; +/*15*/ u_char fru; +/*16*/ u_char sense_key_spec_1; +#define SSD_SCS_VALID 0x80 +/*17*/ u_char sense_key_spec_2; +/*18*/ u_char sense_key_spec_3; +/*32*/ u_char extra_bytes[14]; + } extended; + }ext; +}; /* total of 32 bytes */ + +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 +#endif /*_SCSI_SCSI_ALL_H*/ |
