From d1841406b3b16c35c84563557c4ed08db9d3a72f Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Tue, 11 Jul 2017 09:08:15 +0200 Subject: Add interrupt server set affinity Update #3071. --- cpukit/include/rtems/irq-extension.h | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) (limited to 'cpukit/include/rtems/irq-extension.h') diff --git a/cpukit/include/rtems/irq-extension.h b/cpukit/include/rtems/irq-extension.h index 4b49a1a078..9cade113ad 100644 --- a/cpukit/include/rtems/irq-extension.h +++ b/cpukit/include/rtems/irq-extension.h @@ -400,6 +400,42 @@ rtems_status_code rtems_interrupt_server_suspend( uint32_t server_index ); */ rtems_status_code rtems_interrupt_server_resume( uint32_t server_index ); +/** + * @brief Sets the processor affinity of the specified interrupt server. + * + * The scheduler is set determined by the highest numbered processor in the + * specified affinity set. + * + * This operation is only reliable in case the specified interrupt was + * suspended via rtems_interrupt_server_suspend(). + * + * @param[in] server_index The interrupt server index. Use + * @c RTEMS_INTERRUPT_SERVER_DEFAULT to specify the default server. + * @param[in] affinity_size The storage size of the affinity set. + * @param[in] affinity The desired processor affinity set for the specified + * interrupt server. + * @param[in] priority The task priority with respect to the corresponding + * scheduler instance. + * + * @retval RTEMS_SUCCESSFUL Successful operation + * @retval RTEMS_INCORRECT_STATE The interrupt servers are not initialized. + * @retval RTEMS_INVALID_ID If the interrupt server index is invalid. + * @retval RTEMS_INVALID_SIZE Invalid affinity set size. + * @retval RTEMS_INVALID_NAME The affinity set contains no online processor. + * @retval RTEMS_INCORRECT_STATE The highest numbered online processor in the + * specified affinity set is not owned by a scheduler. + * @retval RTEMS_INVALID_PRIORITY Invalid priority. + * @retval RTEMS_RESOURCE_IN_USE The interrupt server owns resources which deny + * a scheduler change. + * @retval RTEMS_INVALID_NUMBER Invalid processor affinity set. + */ +rtems_status_code rtems_interrupt_server_set_affinity( + uint32_t server_index, + size_t affinity_size, + const cpu_set_t *affinity, + rtems_task_priority priority +); + /** * @brief Initializes the specified interrupt server entry. * -- cgit v1.2.3