diff options
Diffstat (limited to 'bsps/shared/irq/irq-affinity.c')
-rw-r--r-- | bsps/shared/irq/irq-affinity.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/bsps/shared/irq/irq-affinity.c b/bsps/shared/irq/irq-affinity.c new file mode 100644 index 0000000000..f750d6b174 --- /dev/null +++ b/bsps/shared/irq/irq-affinity.c @@ -0,0 +1,90 @@ +/* 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; +} |