schedulercbs.h File Reference

This header file provides interfaces of the Constant Bandwidth Server (CBS) Scheduler which are used by the implementation and the Application Configuration. More...

#include <rtems/score/chain.h>
#include <rtems/score/priority.h>
#include <rtems/score/scheduler.h>
#include <rtems/score/rbtree.h>
#include <rtems/score/scheduleredf.h>
#include <rtems/rtems/signal.h>
#include <rtems/rtems/timer.h>
#include <rtems/score/thread.h>

Go to the source code of this file.

Data Structures
struct	Scheduler_CBS_Parameters
struct	Scheduler_CBS_Server
struct	Scheduler_CBS_Node

Macros
#define	SCHEDULER_CBS_MAXIMUM_PRIORITY   SCHEDULER_EDF_MAXIMUM_PRIORITY
#define	SCHEDULER_CBS_ENTRY_POINTS
#define	SCHEDULER_CBS_OK   0
#define	SCHEDULER_CBS_ERROR_GENERIC   -16
#define	SCHEDULER_CBS_ERROR_NO_MEMORY   -17
#define	SCHEDULER_CBS_ERROR_INVALID_PARAMETER   -18
#define	SCHEDULER_CBS_ERROR_UNAUTHORIZED   -19
#define	SCHEDULER_CBS_ERROR_UNIMPLEMENTED   -20
#define	SCHEDULER_CBS_ERROR_MISSING_COMPONENT   -21
#define	SCHEDULER_CBS_ERROR_INCONSISTENT_STATE   -22
#define	SCHEDULER_CBS_ERROR_SYSTEM_OVERLOAD   -23
#define	SCHEDULER_CBS_ERROR_INTERNAL_ERROR   -24
#define	SCHEDULER_CBS_ERROR_NOT_FOUND   -25
#define	SCHEDULER_CBS_ERROR_FULL   -26
#define	SCHEDULER_CBS_ERROR_EMPTY   -27
#define	SCHEDULER_CBS_ERROR_NOSERVER   SCHEDULER_CBS_ERROR_NOT_FOUND

Typedefs
typedef uint32_t	Scheduler_CBS_Server_id
typedef void(*	Scheduler_CBS_Budget_overrun) (Scheduler_CBS_Server_id server_id)

Functions
void	_Scheduler_CBS_Unblock (const Scheduler_Control *scheduler, Thread_Control *the_thread, Scheduler_Node *node)
	Unblocks a thread.
void	_Scheduler_CBS_Release_job (const Scheduler_Control *scheduler, Thread_Control *the_thread, Priority_Node *priority_node, uint64_t deadline, Thread_queue_Context *queue_context)
	Releases a job.
void	_Scheduler_CBS_Cancel_job (const Scheduler_Control *scheduler, Thread_Control *the_thread, Priority_Node *priority_node, Thread_queue_Context *queue_context)
	Cancels a job.
int	_Scheduler_CBS_Initialize (void)
	_Scheduler_CBS_Initialize
int	_Scheduler_CBS_Attach_thread (Scheduler_CBS_Server_id server_id, rtems_id task_id)
	Attaches a task to an already existing server.
int	_Scheduler_CBS_Detach_thread (Scheduler_CBS_Server_id server_id, rtems_id task_id)
	Detaches from the CBS Server.
int	_Scheduler_CBS_Cleanup (void)
	Cleans up resources associated to the CBS Library.
int	_Scheduler_CBS_Create_server (Scheduler_CBS_Parameters *params, Scheduler_CBS_Budget_overrun budget_overrun_callback, rtems_id *server_id)
	Creates a new server with specified parameters.
int	_Scheduler_CBS_Destroy_server (Scheduler_CBS_Server_id server_id)
	Detaches all tasks from a server and destroys it.
int	_Scheduler_CBS_Get_approved_budget (Scheduler_CBS_Server_id server_id, time_t *approved_budget)
	Retrieves the approved budget.
int	_Scheduler_CBS_Get_remaining_budget (Scheduler_CBS_Server_id server_id, time_t *remaining_budget)
	Retrieves remaining budget for the current server instance.
int	_Scheduler_CBS_Get_execution_time (Scheduler_CBS_Server_id server_id, time_t *exec_time, time_t *abs_time)
	Gets relative time info.
int	_Scheduler_CBS_Get_parameters (Scheduler_CBS_Server_id server_id, Scheduler_CBS_Parameters *params)
	Retrieves CBS scheduling parameters.
int	_Scheduler_CBS_Get_server_id (rtems_id task_id, Scheduler_CBS_Server_id *server_id)
	Gets a thread server id.
int	_Scheduler_CBS_Set_parameters (Scheduler_CBS_Server_id server_id, Scheduler_CBS_Parameters *parameters)
	Sets parameters for CBS scheduling.
void	_Scheduler_CBS_Node_initialize (const Scheduler_Control *scheduler, Scheduler_Node *node, Thread_Control *the_thread, Priority_Control priority)
	Initializes a CBS specific scheduler node of the_thread.

Variables
const uint32_t	_Scheduler_CBS_Maximum_servers
Scheduler_CBS_Server	_Scheduler_CBS_Server_list []
const Thread_CPU_budget_operations	_Scheduler_CBS_Budget
	These are the CBS CPU budget operations.

Detailed Description

This header file provides interfaces of the Constant Bandwidth Server (CBS) Scheduler which are used by the implementation and the Application Configuration.