RTEMS: cpukit/include/rtems/confdefs/bdbuf.h Source File

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bdbuf.h
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1/* SPDX-License-Identifier: BSD-2-Clause */
2
19/*
20 * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the above copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 *
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
32 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
33 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
34 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
35 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
36 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
37 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
38 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
39 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGE.
42 */
43
44#ifndef _RTEMS_CONFDEFS_BDBUF_H
45#define _RTEMS_CONFDEFS_BDBUF_H
46
47#ifndef __CONFIGURATION_TEMPLATE_h
48#error "Do not include this file directly, use <rtems/confdefs.h> instead"
49#endif
50
51#ifdef CONFIGURE_INIT
52
53#ifdef CONFIGURE_APPLICATION_NEEDS_LIBBLOCK
54
55#include <rtems/confdefs/percpu.h>
56#include <rtems/bdbuf.h>
57
58#ifndef CONFIGURE_BDBUF_MAX_READ_AHEAD_BLOCKS
59 #define CONFIGURE_BDBUF_MAX_READ_AHEAD_BLOCKS \
60 RTEMS_BDBUF_MAX_READ_AHEAD_BLOCKS_DEFAULT
61#endif
62
63#ifndef CONFIGURE_BDBUF_MAX_WRITE_BLOCKS
64 #define CONFIGURE_BDBUF_MAX_WRITE_BLOCKS \
65 RTEMS_BDBUF_MAX_WRITE_BLOCKS_DEFAULT
66#endif
67
68#ifndef CONFIGURE_SWAPOUT_TASK_PRIORITY
69 #define CONFIGURE_SWAPOUT_TASK_PRIORITY \
70 RTEMS_BDBUF_SWAPOUT_TASK_PRIORITY_DEFAULT
71#endif
72
73#ifndef CONFIGURE_SWAPOUT_SWAP_PERIOD
74 #define CONFIGURE_SWAPOUT_SWAP_PERIOD \
75 RTEMS_BDBUF_SWAPOUT_TASK_SWAP_PERIOD_DEFAULT
76#endif
77
78#ifndef CONFIGURE_SWAPOUT_BLOCK_HOLD
79 #define CONFIGURE_SWAPOUT_BLOCK_HOLD \
80 RTEMS_BDBUF_SWAPOUT_TASK_BLOCK_HOLD_DEFAULT
81#endif
82
83#ifndef CONFIGURE_SWAPOUT_WORKER_TASKS
84 #define CONFIGURE_SWAPOUT_WORKER_TASKS \
85 RTEMS_BDBUF_SWAPOUT_WORKER_TASKS_DEFAULT
86#endif
87
88#ifndef CONFIGURE_SWAPOUT_WORKER_TASK_PRIORITY
89 #define CONFIGURE_SWAPOUT_WORKER_TASK_PRIORITY \
90 RTEMS_BDBUF_SWAPOUT_WORKER_TASK_PRIORITY_DEFAULT
91#endif
92
93#ifndef CONFIGURE_BDBUF_TASK_STACK_SIZE
94 #define CONFIGURE_BDBUF_TASK_STACK_SIZE \
95 RTEMS_BDBUF_TASK_STACK_SIZE_DEFAULT
96#endif
97
98#ifndef CONFIGURE_BDBUF_CACHE_MEMORY_SIZE
99 #define CONFIGURE_BDBUF_CACHE_MEMORY_SIZE \
100 RTEMS_BDBUF_CACHE_MEMORY_SIZE_DEFAULT
101#endif
102
103#ifndef CONFIGURE_BDBUF_BUFFER_MIN_SIZE
104 #define CONFIGURE_BDBUF_BUFFER_MIN_SIZE \
105 RTEMS_BDBUF_BUFFER_MIN_SIZE_DEFAULT
106#endif
107
108#ifndef CONFIGURE_BDBUF_BUFFER_MAX_SIZE
109 #define CONFIGURE_BDBUF_BUFFER_MAX_SIZE \
110 RTEMS_BDBUF_BUFFER_MAX_SIZE_DEFAULT
111#endif
112
113#ifndef CONFIGURE_BDBUF_READ_AHEAD_TASK_PRIORITY
114 #define CONFIGURE_BDBUF_READ_AHEAD_TASK_PRIORITY \
115 RTEMS_BDBUF_READ_AHEAD_TASK_PRIORITY_DEFAULT
116#endif
117
118#define _CONFIGURE_LIBBLOCK_TASKS \
119 ( 1 + CONFIGURE_SWAPOUT_WORKER_TASKS \
120 + ( CONFIGURE_BDBUF_MAX_READ_AHEAD_BLOCKS != 0 ) )
121
122#define _CONFIGURE_LIBBLOCK_TASKS_STACK_EXTRA \
123 ( _CONFIGURE_LIBBLOCK_TASKS \
124 * ( CONFIGURE_BDBUF_TASK_STACK_SIZE <= CONFIGURE_MINIMUM_TASK_STACK_SIZE ? \
125 0 : \
126 CONFIGURE_BDBUF_TASK_STACK_SIZE - CONFIGURE_MINIMUM_TASK_STACK_SIZE ) )
127
128#ifdef __cplusplus
129extern "C" {
130#endif
131
132const rtems_bdbuf_config rtems_bdbuf_configuration = {
133 CONFIGURE_BDBUF_MAX_READ_AHEAD_BLOCKS,
134 CONFIGURE_BDBUF_MAX_WRITE_BLOCKS,
135 CONFIGURE_SWAPOUT_TASK_PRIORITY,
136 CONFIGURE_SWAPOUT_SWAP_PERIOD,
137 CONFIGURE_SWAPOUT_BLOCK_HOLD,
138 CONFIGURE_SWAPOUT_WORKER_TASKS,
139 CONFIGURE_SWAPOUT_WORKER_TASK_PRIORITY,
140 CONFIGURE_BDBUF_TASK_STACK_SIZE,
141 CONFIGURE_BDBUF_CACHE_MEMORY_SIZE,
142 CONFIGURE_BDBUF_BUFFER_MIN_SIZE,
143 CONFIGURE_BDBUF_BUFFER_MAX_SIZE,
144 CONFIGURE_BDBUF_READ_AHEAD_TASK_PRIORITY
145};
146
147#ifdef __cplusplus
148}
149#endif
150
151#else /* !CONFIGURE_APPLICATION_NEEDS_LIBBLOCK */
152
153#define _CONFIGURE_LIBBLOCK_TASKS 0
154
155#define _CONFIGURE_LIBBLOCK_TASKS_STACK_EXTRA 0
156
157#endif /* CONFIGURE_APPLICATION_NEEDS_LIBBLOCK */
158
159#endif /* CONFIGURE_INIT */
160
161#endif /* _RTEMS_CONFDEFS_BDBUF_H */
bdbuf.h
Block Device Buffer Management.
percpu.h
Evaluate Per-CPU Configuration Options.
rtems_bdbuf_configuration
const rtems_bdbuf_config rtems_bdbuf_configuration
rtems_bdbuf_config
Definition: bdbuf.h:361