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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.
- *
- * from: @(#)mtio.h 7.6 (Berkeley) 2/5/91
- * $Id: chio.h,v 1.3 1993/05/20 16:21:55 cgd Exp $
- */
-
- /* This is a "converted" mtio.h from 386BSD
- Stefan Grefen grefen@goofy.zdv.uni-mainz.de
- */
-
- #ifndef _SYS_CHIO_H_
- #define _SYS_CHIO_H_
-
- /*
- * Structures and definitions for changer io control commands
- */
-
- #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 /* !_SYS_CHIO_H_ */
-