RTEMS 6.1-rc5
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ioimpl.h
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1/* SPDX-License-Identifier: BSD-2-Clause */
2
12/*
13 * COPYRIGHT (c) 1989-2008.
14 * On-Line Applications Research Corporation (OAR).
15 *
16 * Redistribution and use in source and binary forms, with or without
17 * modification, are permitted provided that the following conditions
18 * are met:
19 * 1. Redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer.
21 * 2. Redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
29 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38#ifndef _RTEMS_IOIMPL_H
39#define _RTEMS_IOIMPL_H
40
41#include <rtems/io.h>
42#include <rtems/score/isrlock.h>
43
44#ifdef __cplusplus
45extern "C" {
46#endif /* __cplusplus */
47
58extern const size_t _IO_Number_of_drivers;
59
60extern rtems_driver_address_table _IO_Driver_address_table[];
61
62extern bool _IO_All_drivers_initialized;
63
70
71#if ISR_LOCK_NEEDS_OBJECT
72extern ISR_lock_Control _IO_Driver_registration_lock;
73#endif
74
75static inline void _IO_Driver_registration_acquire(
76 ISR_lock_Context *lock_context
77)
78{
80 &_IO_Driver_registration_lock,
81 lock_context
82 );
83}
84
85static inline void _IO_Driver_registration_release(
86 ISR_lock_Context *lock_context
87)
88{
90 &_IO_Driver_registration_lock,
91 lock_context
92 );
93}
94
97#ifdef __cplusplus
98}
99#endif /* __cplusplus */
100
101#endif /* _RTEMS_IOIMPL_H */
This header file defines the IO Manager API.
void _IO_Initialize_all_drivers(void)
Initialization of all device drivers.
Definition: io.c:47
#define _ISR_lock_Release_and_ISR_enable(_lock, _context)
Releases an ISR lock.
Definition: isrlock.h:229
#define _ISR_lock_ISR_disable_and_acquire(_lock, _context)
Acquires an ISR lock.
Definition: isrlock.h:204
This header file provides the interfaces of the ISR Locks.
Local ISR lock context for acquire and release pairs.
Definition: isrlock.h:94
This structure contains the device driver entries.
Definition: io.h:140