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Initial import, 0.1 + pk 0.2.4-B1

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rgrimes 1993-06-12 14:58:17 +00:00
commit c7d5f60d3a
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1015
sys/scsi/ch.c Normal file
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118
sys/scsi/scsi_changer.h Normal file
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/*
* HISTORY
*
* PATCHES MAGIC LEVEL PATCH THAT GOT US HERE
* -------------------- ----- ----------------------
* CURRENT PATCH LEVEL: 1 00098
* -------------------- ----- ----------------------
*
* 16 Feb 93 Julian Elischer ADDED for SCSI system
*
*/
/*
* SCSI changer interface description
*/
/*
* Written by Stefan Grefen (grefen@goofy.zdv.uni-mainz.de soon grefen@convex.com)
* based on the SCSI System by written 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_read_element_status
{
u_char op_code;
u_char element_type_code:4;
u_char voltag:1;
u_char lun:3;
u_char starting_element_addr[2];
u_char number_of_elements[2];
u_char resv1;
u_char allocation_length[3];
u_char resv2;
u_char link:1;
u_char flag:1;
u_char :6;
};
#define RE_ALL_ELEMENTS 0
#define RE_MEDIUM_TRANSPORT_ELEMENT 1
#define RE_STORAGE_ELEMENT 2
#define RE_IMPORT_EXPORT 3
#define RE_DATA_TRANSFER_ELEMENT 4
struct scsi_move_medium
{
u_char op_code;
u_char :5;
u_char lun:3;
u_char transport_element_address[2];
u_char source_address[2];
u_char destination_address[2];
u_char rsvd[2];
u_char invert:1;
u_char :7;
u_char link:1;
u_char flag:1;
u_char :6;
};
struct scsi_position_to_element
{
u_char op_code;
u_char :5;
u_char lun:3;
u_char transport_element_address[2];
u_char source_address[2];
u_char rsvd[2];
u_char invert:1;
u_char :7;
u_char link:1;
u_char flag:1;
u_char :6;
};
/*
* Opcodes
*/
#define POSITION_TO_ELEMENT 0x2b
#define MOVE_MEDIUM 0xa5
#define READ_ELEMENT_STATUS 0xb8
struct scsi_element_status_data
{
u_char first_element_reported[2];
u_char number_of_elements_reported[2];
u_char rsvd;
u_char byte_count_of_report[3];
};
struct element_status_page
{
u_char element_type_code;
u_char :5;
u_char avoltag:1;
u_char pvoltag:1;
u_char element_descriptor_length[2];
u_char rsvd;
u_char byte_count_of_descriptor_data[3];
};

127
sys/sys/chio.h Normal file
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/*
* Copyright (c) 1982, 1986 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)chio.h 7.6 (Berkeley) 2/5/91
*
* PATCHES MAGIC LEVEL PATCH THAT GOT US HERE
* -------------------- ----- ----------------------
* CURRENT PATCH LEVEL: 1 00098
* -------------------- ----- ----------------------
*
* 16 Feb 93 Julian Elischer ADDED for SCSI system
*/
/* This is a "convertet" mtio.h from 386BSD
Stefan Grefen grefen@goofy.zdv.uni-mainz.de
*/
/*
* Structures and definitions for changer io control commands
*/
#ifndef _CHIO_H_
#define _CHIO_H_
#define CH_INVERT 0x10000
#define CH_ADDR_MASK 0xffff
struct chop {
short ch_op; /* operations defined below */
short result; /* The result */
union {
struct {
int chm; /* Transport element */
int from;
int to;
} move;
struct {
int chm; /* Transport element */
int to;
} position;
struct {
short chmo; /* Offset of first CHM */
short chms; /* No. of CHM */
short slots; /* No. of Storage Elements */
short sloto; /* Offset of first SE */
short imexs; /* No. of Import/Export Slots */
short imexo; /* Offset of first IM/EX */
short drives; /* No. of CTS */
short driveo; /* Offset of first CTS */
short rot; /* CHM can rotate */
} getparam;
struct {
int type;
#define CH_CHM 1
#define CH_STOR 2
#define CH_IMEX 3
#define CH_CTS 4
int from;
struct {
u_char elema_1;
u_char elema_0;
u_char full:1;
u_char rsvd:1;
u_char except:1;
u_char :5;
u_char rsvd2;
union {
struct {
u_char add_sense_code;
u_char add_sense_code_qualifier;
} specs;
short add_sense;
/* WARINING LSB only */
#define CH_CHOLDER 0x0290 /* Cartridge holder is missing */
#define CH_STATUSQ 0x0390 /* Status is questionable */
#define CH_CTS_CLOSED 0x0490 /* CTS door is closed */
} ch_add_sense;
u_char rsvd3[3];
u_char :6;
u_char invert:1;
u_char svalid:1;
u_char source_1;
u_char source_0;
u_char rsvd4[4];
} elem_data;
} get_elem_stat;
} u;
};
/* operations */
#define CHMOVE 1
#define CHPOSITION 2
#define CHGETPARAM 3
#define CHGETELEM 4
/* Changer IO control command */
#define CHIOOP _IOWR('c', 1, struct chop) /* do a mag tape op */
#endif