doc: move usermode API documentation

Move API reference to the main documentation section under the kernel.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

doc/api/kernel_api.rst

@@ -19,12 +19,6 @@ as described in the :ref:`kernel`.
    .. doxygengroup:: kernel_apis
 
 
-Profiling
-*********
-
-.. doxygengroup:: profiling_apis
-   :project: Zephyr
-
 
 Kernel Version
 **************
@@ -34,15 +28,3 @@ Kernel version handling and APIs related to kernel version being used.
    :project: Zephyr
    :content-only:
 
-Memory Domain
-*************
-
-A memory domain contains some number of memory partitions. Threads can
-specify the range and attribute (access permission) for memory partitions
-in a memory domain. Threads in the same memory domain have the
-same access permissions to the memory partitions belong to the
-memory domain.
-(See :ref:`memory_domain`.)
-
-.. doxygengroup:: mem_domain_apis
-   :project: Zephyr

doc/kernel/usermode/kernelobjects.rst

@@ -277,16 +277,8 @@ Related configuration options:
 * :option:`CONFIG_APPLICATION_MEMORY`
 * :option:`CONFIG_MAX_THREAD_BYTES`
 
-APIs
+API Reference
-****
+*************
-
-* :c:func:`k_object_access_grant()`
-* :c:func:`k_object_access_revoke()`
-* :c:func:`k_object_access_all_grant()`
-* :c:func:`k_object_alloc()`
-* :c:func:`k_object_free()`
-* :c:func:`k_object_release()`
-* :c:func:`k_thread_access_grant()`
-* :c:func:`k_thread_user_mode_enter()`
-* :c:macro:`K_THREAD_ACCESS_GRANT()`
 
+.. doxygengroup:: usermode_apis
+   :project: Zephyr

doc/kernel/usermode/memory_domain.rst

@@ -176,15 +176,10 @@ Related configuration options:
 
 * :option:`CONFIG_MAX_DOMAIN_PARTITIONS`
 
-APIs
+API Reference
-****
+*************
 
 The following memory domain APIs are provided by :zephyr_file:`include/kernel.h`:
 
-* :c:macro:`K_MEM_PARTITION_DEFINE`
+.. doxygengroup:: mem_domain_apis
-* :cpp:func:`k_mem_domain_init()`
+   :project: Zephyr
-* :cpp:func:`k_mem_domain_destroy()`
-* :cpp:func:`k_mem_domain_add_partition()`
-* :cpp:func:`k_mem_domain_remove_partition()`
-* :cpp:func:`k_mem_domain_add_thread()`
-* :cpp:func:`k_mem_domain_remove_thread()`

doc/zephyr.doxyfile.in

@@ -1974,6 +1974,7 @@ PREDEFINED             = "CONFIG_SYS_CLOCK_EXISTS=y" \
                          "CONFIG_THREAD_MONITOR=y" \
                          "CONFIG_NET_MGMT_EVENT=y" \
                          "CONFIG_THREAD_CUSTOM_DATA=y" \
+			 "CONFIG_SCHED_DEADLINE=y" \
                          "CONFIG_ERRNO=y" \
                          "CONFIG_THREAD_STACK_INFO=y" \
                          "CONFIG_UART_INTERRUPT_DRIVEN=y" \

include/kernel.h

@@ -149,6 +149,11 @@ enum k_objects {
 
 	K_OBJ_LAST
 };
+/**
+ * @defgroup usermode_apis User Mode APIs
+ * @ingroup kernel_apis
+ * @{
+ */
 
 #ifdef CONFIG_USERSPACE
 /* Table generated by gperf, these objects are retrieved via
@@ -334,6 +339,8 @@ static inline void k_obj_free(void *obj)
 }
 #endif /* CONFIG_DYNAMIC_OBJECTS */
 
+/** @} */
+
 /* Using typedef deliberately here, this is quite intended to be an opaque
  * type. K_THREAD_STACK_BUFFER() should be used to access the data within.
  *
@@ -583,8 +590,7 @@ enum execution_context_types {
 };
 
 /**
- * @defgroup profiling_apis Profiling APIs
+ * @addtogroup thread_apis
- * @ingroup kernel_apis
  * @{
  */
 typedef void (*k_thread_user_cb_t)(const struct k_thread *thread,