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1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
26: /*
27: * The NEXTSTEP Software License Agreement specifies the terms
28: * and conditions for redistribution.
29: */
30:
31: #ifndef _SYS_CHIO_H_
32: #define _SYS_CHIO_H_
33:
34: /*
35: * Structures and definitions for changer io control commands
36: */
37:
38: #define CH_INVERT 0x10000
39: #define CH_ADDR_MASK 0xffff
40: struct chop {
41: short ch_op; /* operations defined below */
42: short result; /* the result */
43: union {
44: struct {
45: int chm; /* Transport element */
46: int from;
47: int to;
48: } move;
49: struct {
50: int chm; /* Transport element */
51: int to;
52: } position;
53: struct {
54: short chmo; /* Offset of first CHM */
55: short chms; /* No. of CHM */
56: short slots; /* No. of Storage Elements */
57: short sloto; /* Offset of first SE */
58: short imexs; /* No. of Import/Export Slots */
59: short imexo; /* Offset of first IM/EX */
60: short drives; /* No. of CTS */
61: short driveo; /* Offset of first CTS */
62: short rot; /* CHM can rotate */
63: } getparam;
64: struct {
65: int type;
66: #define CH_CHM 1
67: #define CH_STOR 2
68: #define CH_IMEX 3
69: #define CH_CTS 4
70: int from;
71: struct {
72: u_char elema_1;
73: u_char elema_0;
74: u_char full:1;
75: u_char rsvd:1;
76: u_char except:1;
77: u_char :5;
78: u_char rsvd2;
79: union {
80: struct {
81: u_char add_sense_code;
82: u_char add_sense_code_qualifier;
83: } specs;
84: short add_sense;
85: /* WARINING LSB only */
86: #define CH_CHOLDER 0x0290 /* Cartridge holder is missing */
87: #define CH_STATUSQ 0x0390 /* Status is questionable */
88: #define CH_CTS_CLOSED 0x0490 /* CTS door is closed */
89: } ch_add_sense;
90: u_char rsvd3[3];
91: u_char :6;
92: u_char invert:1;
93: u_char svalid:1;
94: u_char source_1;
95: u_char source_0;
96: u_char rsvd4[4];
97: } elem_data;
98: } get_elem_stat;
99: } u;
100: };
101:
102: /* operations */
103: #define CHMOVE 1
104: #define CHPOSITION 2
105: #define CHGETPARAM 3
106: #define CHGETELEM 4
107:
108:
109: /* Changer IO control command */
110: #define CHIOOP _IOWR('c', 1, struct chop) /* do a mag tape op */
111:
112: #endif /* !_SYS_CHIO_H_ */
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