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
|
/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup bsp_interrupt
*
* @brief This source file contains the implementation of
* rtems_interrupt_get_affinity() and rtems_interrupt_set_affinity().
*/
/*
* Copyright (C) 2017 embedded brains GmbH (http://www.embedded-brains.de)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <bsp/irq-generic.h>
#include <rtems/score/processormask.h>
rtems_status_code rtems_interrupt_set_affinity(
rtems_vector_number vector,
size_t affinity_size,
const cpu_set_t *affinity
)
{
Processor_mask set;
Processor_mask_Copy_status status;
if ( affinity == NULL ) {
return RTEMS_INVALID_ADDRESS;
}
if (!bsp_interrupt_is_valid_vector(vector)) {
return RTEMS_INVALID_ID;
}
status = _Processor_mask_From_cpu_set_t(&set, affinity_size, affinity);
if ( !_Processor_mask_Is_at_most_partial_loss( status ) ) {
return RTEMS_INVALID_NUMBER;
}
#if defined(RTEMS_SMP)
bsp_interrupt_set_affinity(vector, &set);
#endif
return RTEMS_SUCCESSFUL;
}
rtems_status_code rtems_interrupt_get_affinity(
rtems_vector_number vector,
size_t affinity_size,
cpu_set_t *affinity
)
{
rtems_status_code sc;
Processor_mask set;
Processor_mask_Copy_status status;
if ( affinity == NULL ) {
return RTEMS_INVALID_ADDRESS;
}
_Processor_mask_Zero( &set );
if ( bsp_interrupt_is_valid_vector( vector ) ) {
#if defined(RTEMS_SMP)
sc = bsp_interrupt_get_affinity( vector, &set );
#else
_Processor_mask_From_index( &set, 0 );
sc = RTEMS_SUCCESSFUL;
#endif
} else {
sc = RTEMS_INVALID_ID;
}
status = _Processor_mask_To_cpu_set_t( &set, affinity_size, affinity );
if ( sc == RTEMS_SUCCESSFUL && status != PROCESSOR_MASK_COPY_LOSSLESS ) {
return RTEMS_INVALID_SIZE;
}
return sc;
}
|
