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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-07-11 09:08:15 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-07-12 07:46:52 +0200 |
commit | d1841406b3b16c35c84563557c4ed08db9d3a72f (patch) | |
tree | da583eead1af6871472a740facdf297d1e8747e2 /cpukit | |
parent | Add interrupt server suspend/resume (diff) | |
download | rtems-d1841406b3b16c35c84563557c4ed08db9d3a72f.tar.bz2 |
Add interrupt server set affinity
Update #3071.
Diffstat (limited to 'cpukit')
-rw-r--r-- | cpukit/include/rtems/irq-extension.h | 36 |
1 files changed, 36 insertions, 0 deletions
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 @@ -401,6 +401,42 @@ 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. * * @param[in] server_index The interrupt server index. Use |