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