blob: 10fa51d35144f70cffff7e338d996c14b63a6976 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* 16 Feb 93 Julian Elischer ADDED for SCSI system
*
* $Id: chio.h,v 1.3 1993/10/16 17:16:27 rgrimes Exp $
*/
/* 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 _SYS_CHIO_H_
#define _SYS_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 /*_SYS_CHIO_H*/
|
