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/* 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 (!bsp_interrupt_is_valid_vector(vector)) {
return RTEMS_INVALID_ID;
}
status = _Processor_mask_From_cpu_set_t(&set, affinity_size, affinity);
if (status != PROCESSOR_MASK_COPY_LOSSLESS) {
return RTEMS_INVALID_SIZE;
}
#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
)
{
Processor_mask set;
Processor_mask_Copy_status status;
if (!bsp_interrupt_is_valid_vector(vector)) {
return RTEMS_INVALID_ID;
}
#if defined(RTEMS_SMP)
bsp_interrupt_get_affinity(vector, &set);
#else
_Processor_mask_From_index(&set, 0);
#endif
status = _Processor_mask_To_cpu_set_t(&set, affinity_size, affinity);
if (status != PROCESSOR_MASK_COPY_LOSSLESS) {
return RTEMS_INVALID_SIZE;
}
return RTEMS_SUCCESSFUL;
}
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