404b8fce6b
scsi target to a disk unit for setroot(). If anyone knows a better way to do this, please let me know. The only other way I could think of would be to add a field in disk.h:struct dkdevice to reference the scsi target. Ideally, the correct boot device would be passed in from the booter. As we only have one scsi bus (until we support NuBUS scsi cards), it makes sense to be backward-compatible (especially since mac weenies seem to need help tying their shoes).
341 lines
6.4 KiB
C
341 lines
6.4 KiB
C
/*
|
|
* 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
|
|
*
|
|
* $Id: scsi_all.h,v 1.3 1994/01/30 01:21:20 briggs Exp $
|
|
*/
|
|
|
|
#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*/
|