---
c/src/lib/libbsp/shared/src/irq-server.c | 33 +++++++++++++++++++++++++++++
cpukit/include/rtems/irq-extension.h | 36 ++++++++++++++++++++++++++++++++
2 files changed, 69 insertions(+)
diff --git a/c/src/lib/libbsp/shared/src/irq-server.c
b/c/src/lib/libbsp/shared/src/irq-server.c
index 542276c601..61d31754c2 100644
--- a/c/src/lib/libbsp/shared/src/irq-server.c
+++ b/c/src/lib/libbsp/shared/src/irq-server.c
@@ -750,3 +750,36 @@ rtems_status_code rtems_interrupt_server_resume(uint32_t
server_index)
);
return RTEMS_SUCCESSFUL;
}
+
+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
+)
+{
+ rtems_status_code sc;
+ bsp_interrupt_server_context *s;
+ rtems_id scheduler;
+
+ s = bsp_interrupt_server_get_context(server_index, &sc);
+ if (s == NULL) {
+ return sc;
+ }
+
+ sc = rtems_scheduler_ident_by_processor_set(
+ affinity_size,
+ affinity,
+ &scheduler
+ );
+ if (sc != RTEMS_SUCCESSFUL) {
+ return sc;
+ }
+
+ sc = rtems_task_set_scheduler(s->server, scheduler, priority);
+ if (sc != RTEMS_SUCCESSFUL) {
+ return sc;
+ }
+
+ return rtems_task_set_affinity(s->server, affinity_size, affinity);
+}
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
--
2.12.3
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