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/**
* @file
*
* @ingroup RTEMSImplClassicPartition
*
* @brief This header file provides data structures used by the implementation
* and the @ref RTEMSImplApplConfig to define ::_Partition_Information.
*/
/* COPYRIGHT (c) 1989-2008.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifndef _RTEMS_RTEMS_PARTDATA_H
#define _RTEMS_RTEMS_PARTDATA_H
#include <rtems/rtems/part.h>
#include <rtems/score/isrlock.h>
#include <rtems/score/objectdata.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @addtogroup RTEMSImplClassicPartition
*
* @{
*/
/**
* @brief The Partition Control Block (PTCB) represents a partition.
*/
typedef struct {
/**
* @brief This member turns the PTCB into an object.
*/
Objects_Control Object;
/**
* @brief This lock protects the chain of unallocated buffers and the number
* of allocated buffers.
*/
ISR_LOCK_MEMBER( Lock )
/**
* @brief This member contains the physical starting address of the buffer
* area.
*/
void *starting_address;
/**
* @brief This member contains the size of the buffer area in bytes.
*/
uintptr_t length;
/**
* @brief This member contains the size of each buffer in bytes.
*/
size_t buffer_size;
/**
* @brief This member contains the attribute set provided at creation time.
*/
rtems_attribute attribute_set;
/**
* @brief This member contains the count of allocated buffers.
*/
uintptr_t number_of_used_blocks;
/**
* @brief This chain is used to manage unallocated buffers.
*/
Chain_Control Memory;
} Partition_Control;
/**
* @brief The Partition Manager objects information is used to manage the
* objects of this class.
*
* If #CONFIGURE_MAXIMUM_PARTITIONS is greater than zero, then the object
* information is defined by PARTITION_INFORMATION_DEFINE(), otherwise it is
* defined by OBJECTS_INFORMATION_DEFINE_ZERO().
*/
extern Objects_Information _Partition_Information;
#if defined(RTEMS_MULTIPROCESSING)
/**
* @brief Sends the extract proxy request.
*
* This routine is invoked when a task is deleted and it has a proxy which must
* be removed from a thread queue and the remote node must be informed of this.
*
* @param[in, out] the_thread is the thread proxy.
* @param id is the partition identifier.
*/
void _Partition_MP_Send_extract_proxy (
Thread_Control *the_thread,
Objects_Id id
);
#endif
/**
* @brief Defines the Partition Manager objects information.
*
* This macro should only be used by <rtems/confdefs/objectsclassic.h>.
*
* @param _max is the configured object maximum (the #OBJECTS_UNLIMITED_OBJECTS
* flag may be set).
*/
#define PARTITION_INFORMATION_DEFINE( _max ) \
OBJECTS_INFORMATION_DEFINE( \
_Partition, \
OBJECTS_CLASSIC_API, \
OBJECTS_RTEMS_PARTITIONS, \
Partition_Control, \
_max, \
OBJECTS_NO_STRING_NAME, \
_Partition_MP_Send_extract_proxy \
)
/** @} */
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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