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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/**
* @file
*
* @brief IMFS Device Node Handlers
* @ingroup IMFS
*/
/*
* COPYRIGHT (c) 1989-2012.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include "imfs.h"
#include <rtems/deviceio.h>
int device_open(
rtems_libio_t *iop,
const char *pathname,
int oflag,
mode_t mode
)
{
const IMFS_device_t *device = IMFS_iop_to_device( iop );
return rtems_deviceio_open(
iop,
pathname,
oflag,
mode,
device->major,
device->minor
);
}
int device_close(
rtems_libio_t *iop
)
{
const IMFS_device_t *device = IMFS_iop_to_device( iop );
return rtems_deviceio_close(
iop,
device->major,
device->minor
);
}
ssize_t device_read(
rtems_libio_t *iop,
void *buffer,
size_t count
)
{
const IMFS_device_t *device = IMFS_iop_to_device( iop );
return rtems_deviceio_read(
iop,
buffer,
count,
device->major,
device->minor
);
}
ssize_t device_write(
rtems_libio_t *iop,
const void *buffer,
size_t count
)
{
const IMFS_device_t *device = IMFS_iop_to_device( iop );
return rtems_deviceio_write(
iop,
buffer,
count,
device->major,
device->minor
);
}
int device_ioctl(
rtems_libio_t *iop,
ioctl_command_t command,
void *buffer
)
{
const IMFS_device_t *device = IMFS_iop_to_device( iop );
return rtems_deviceio_control(
iop,
command,
buffer,
device->major,
device->minor
);
}
int device_ftruncate(
rtems_libio_t *iop,
off_t length
)
{
return 0;
}
|