forked from Imagelibrary/rtems
Split Partition Manager into one routine per file.
This commit is contained in:
Joel Sherrill
@@ -31,10 +31,6 @@ TIMER_PIECES=\
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timer timercancel timercreate timerdelete timerfireafter \
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timerfirewhere timerident timerreset
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REGION_PIECES=\
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region regioncreate regiondelete regionextend regiongetsegment \
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regiongetsegmentsize regionident regionreturnsegemnt regionreturnsegemnt
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MESSAGE_QUEUE_PIECES=\
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msg msgqallocate msgqbroadcast msgqcreate msgqdelete \
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msgqflush msgqgetnumberpending msgqident msgqreceive \
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@@ -51,10 +47,21 @@ RATEMON_PIECES=\
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ratemon ratemoncancel ratemoncreate ratemondelete ratemongetstatus \
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ratemonident ratemonperiod ratemontimeout
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C_PIECES=attr $(CLOCK_PIECES) dpmem $(EVENT_PIECES) intr intrbody \
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$(MESSAGE_QUEUE_PIECES) \
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part $(RATEMON_PIECES) $(REGION_PIECES) $(SEMAPHORE_PIECES) signal \
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$(TASK_PIECES) $(TIMER_PIECES) $(MP_PIECES)
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REGION_PIECES=\
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region regioncreate regiondelete regionextend regiongetsegment \
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regiongetsegmentsize regionident regionreturnsegemnt regionreturnsegemnt
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PARTITION_PIECES=\
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part partcreate partdelete partgetbuffer partident partreturnbuffer
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C_PIECES=\
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attr $(TASK_PIECES) $(RATEMON_PIECES) \
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intr intrbody \
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$(CLOCK_PIECES) $(TIMER_PIECES) \
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$(SEMAPHORE_PIECES) $(MESSAGE_QUEUE_PIECES) \
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$(EVENT_PIECES) signal
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$(PARTITION_PIECES) $(REGION_PIECES) dpmem \
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$(MP_PIECES)
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C_FILES=$(C_PIECES:%=%.c)
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C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)
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@@ -62,302 +62,3 @@ void _Partition_Manager_initialization(
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#endif
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}
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/*PAGE
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*
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* rtems_partition_create
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*
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* This directive creates a partiton of fixed sized buffers from the
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* given contiguous memory area.
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*
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* Input parameters:
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* name - user defined partition name
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* starting_address - physical start address of partition
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* length - physical length in bytes
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* buffer_size - size of buffers in bytes
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* attribute_set - partition attributes
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* id - pointer to partition id
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*
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* Output parameters:
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* id - partition id
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* RTEMS_SUCCESSFUL - if successful
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* error code - if unsuccessful
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*/
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rtems_status_code rtems_partition_create(
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rtems_name name,
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void *starting_address,
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unsigned32 length,
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unsigned32 buffer_size,
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rtems_attribute attribute_set,
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Objects_Id *id
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)
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{
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register Partition_Control *the_partition;
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if ( !rtems_is_name_valid( name ) )
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return RTEMS_INVALID_NAME;
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if ( length == 0 || buffer_size == 0 || length < buffer_size ||
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!_Partition_Is_buffer_size_aligned( buffer_size ) )
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return RTEMS_INVALID_SIZE;
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if ( !_Addresses_Is_aligned( starting_address ) )
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return RTEMS_INVALID_ADDRESS;
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#if defined(RTEMS_MULTIPROCESSING)
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if ( _Attributes_Is_global( attribute_set ) &&
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!_System_state_Is_multiprocessing )
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return RTEMS_MP_NOT_CONFIGURED;
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#endif
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_Thread_Disable_dispatch(); /* prevents deletion */
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the_partition = _Partition_Allocate();
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if ( !the_partition ) {
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_Thread_Enable_dispatch();
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return RTEMS_TOO_MANY;
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}
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#if defined(RTEMS_MULTIPROCESSING)
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if ( _Attributes_Is_global( attribute_set ) &&
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!( _Objects_MP_Allocate_and_open( &_Partition_Information, name,
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the_partition->Object.id, FALSE ) ) ) {
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_Partition_Free( the_partition );
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_Thread_Enable_dispatch();
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return RTEMS_TOO_MANY;
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}
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#endif
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the_partition->starting_address = starting_address;
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the_partition->length = length;
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the_partition->buffer_size = buffer_size;
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the_partition->attribute_set = attribute_set;
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the_partition->number_of_used_blocks = 0;
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_Chain_Initialize( &the_partition->Memory, starting_address,
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length / buffer_size, buffer_size );
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_Objects_Open( &_Partition_Information, &the_partition->Object, &name );
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*id = the_partition->Object.id;
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#if defined(RTEMS_MULTIPROCESSING)
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if ( _Attributes_Is_global( attribute_set ) )
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_Partition_MP_Send_process_packet(
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PARTITION_MP_ANNOUNCE_CREATE,
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the_partition->Object.id,
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name,
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0 /* Not used */
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);
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#endif
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_Thread_Enable_dispatch();
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return RTEMS_SUCCESSFUL;
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}
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/*PAGE
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*
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* rtems_partition_ident
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*
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* This directive returns the system ID associated with
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* the partition name.
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*
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* Input parameters:
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* name - user defined partition name
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* node - node(s) to be searched
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* id - pointer to partition id
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*
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* Output parameters:
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* *id - partition id
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* RTEMS_SUCCESSFUL - if successful
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* error code - if unsuccessful
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*/
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rtems_status_code rtems_partition_ident(
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rtems_name name,
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unsigned32 node,
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Objects_Id *id
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)
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{
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Objects_Name_to_id_errors status;
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status = _Objects_Name_to_id( &_Partition_Information, &name, node, id );
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return _Status_Object_name_errors_to_status[ status ];
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}
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/*PAGE
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*
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* rtems_partition_delete
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*
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* This directive allows a thread to delete a partition specified by
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* the partition identifier, provided that none of its buffers are
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* still allocated.
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*
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* Input parameters:
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* id - partition id
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*
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* Output parameters:
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* RTEMS_SUCCESSFUL - if successful
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* error code - if unsuccessful
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*/
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rtems_status_code rtems_partition_delete(
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Objects_Id id
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)
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{
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register Partition_Control *the_partition;
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Objects_Locations location;
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the_partition = _Partition_Get( id, &location );
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switch ( location ) {
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case OBJECTS_REMOTE:
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#if defined(RTEMS_MULTIPROCESSING)
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_Thread_Dispatch();
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return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
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#endif
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case OBJECTS_ERROR:
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return RTEMS_INVALID_ID;
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case OBJECTS_LOCAL:
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if ( the_partition->number_of_used_blocks == 0 ) {
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_Objects_Close( &_Partition_Information, &the_partition->Object );
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_Partition_Free( the_partition );
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#if defined(RTEMS_MULTIPROCESSING)
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if ( _Attributes_Is_global( the_partition->attribute_set ) ) {
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_Objects_MP_Close(
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&_Partition_Information,
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the_partition->Object.id
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);
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_Partition_MP_Send_process_packet(
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PARTITION_MP_ANNOUNCE_DELETE,
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the_partition->Object.id,
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0, /* Not used */
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0 /* Not used */
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);
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}
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#endif
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_Thread_Enable_dispatch();
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return RTEMS_SUCCESSFUL;
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}
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_Thread_Enable_dispatch();
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return RTEMS_RESOURCE_IN_USE;
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}
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return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
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}
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/*PAGE
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*
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* rtems_partition_get_buffer
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*
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* This directive will obtain a buffer from a buffer partition.
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*
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* Input parameters:
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* id - partition id
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* buffer - pointer to buffer address
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*
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* Output parameters:
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* buffer - pointer to buffer address filled in
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* RTEMS_SUCCESSFUL - if successful
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* error code - if unsuccessful
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*/
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rtems_status_code rtems_partition_get_buffer(
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Objects_Id id,
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void **buffer
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)
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{
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register Partition_Control *the_partition;
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Objects_Locations location;
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void *the_buffer;
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the_partition = _Partition_Get( id, &location );
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switch ( location ) {
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case OBJECTS_REMOTE:
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#if defined(RTEMS_MULTIPROCESSING)
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_Thread_Executing->Wait.return_argument = buffer;
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return(
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_Partition_MP_Send_request_packet(
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PARTITION_MP_GET_BUFFER_REQUEST,
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id,
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0 /* Not used */
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)
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);
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#endif
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case OBJECTS_ERROR:
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return RTEMS_INVALID_ID;
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case OBJECTS_LOCAL:
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the_buffer = _Partition_Allocate_buffer( the_partition );
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if ( the_buffer ) {
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the_partition->number_of_used_blocks += 1;
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_Thread_Enable_dispatch();
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*buffer = the_buffer;
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return RTEMS_SUCCESSFUL;
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}
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_Thread_Enable_dispatch();
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return RTEMS_UNSATISFIED;
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}
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return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
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}
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/*PAGE
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*
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* rtems_partition_return_buffer
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*
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* This directive will return the given buffer to the specified
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* buffer partition.
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*
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* Input parameters:
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* id - partition id
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* buffer - pointer to buffer address
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*
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* Output parameters:
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* RTEMS_SUCCESSFUL - if successful
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* error code - if unsuccessful
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*/
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rtems_status_code rtems_partition_return_buffer(
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Objects_Id id,
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void *buffer
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)
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{
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register Partition_Control *the_partition;
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Objects_Locations location;
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the_partition = _Partition_Get( id, &location );
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switch ( location ) {
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case OBJECTS_REMOTE:
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#if defined(RTEMS_MULTIPROCESSING)
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return _Partition_MP_Send_request_packet(
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PARTITION_MP_RETURN_BUFFER_REQUEST,
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id,
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buffer
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);
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#endif
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case OBJECTS_ERROR:
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return RTEMS_INVALID_ID;
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case OBJECTS_LOCAL:
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if ( _Partition_Is_buffer_valid( buffer, the_partition ) ) {
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_Partition_Free_buffer( the_partition, buffer );
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the_partition->number_of_used_blocks -= 1;
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_Thread_Enable_dispatch();
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return RTEMS_SUCCESSFUL;
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}
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_Thread_Enable_dispatch();
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return RTEMS_INVALID_ADDRESS;
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}
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return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
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}
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116
c/src/exec/rtems/src/partcreate.c
Normal file
116
c/src/exec/rtems/src/partcreate.c
Normal file
@@ -0,0 +1,116 @@
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/*
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* Partition Manager
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*
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*
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* COPYRIGHT (c) 1989-1998.
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* On-Line Applications Research Corporation (OAR).
|
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* Copyright assigned to U.S. Government, 1994.
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
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*
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* $Id$
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*/
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#include <rtems/system.h>
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#include <rtems/rtems/status.h>
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#include <rtems/rtems/support.h>
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#include <rtems/score/address.h>
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#include <rtems/score/object.h>
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#include <rtems/rtems/part.h>
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#include <rtems/score/thread.h>
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#include <rtems/score/sysstate.h>
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/*PAGE
|
||||
*
|
||||
* rtems_partition_create
|
||||
*
|
||||
* This directive creates a partiton of fixed sized buffers from the
|
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* given contiguous memory area.
|
||||
*
|
||||
* Input parameters:
|
||||
* name - user defined partition name
|
||||
* starting_address - physical start address of partition
|
||||
* length - physical length in bytes
|
||||
* buffer_size - size of buffers in bytes
|
||||
* attribute_set - partition attributes
|
||||
* id - pointer to partition id
|
||||
*
|
||||
* Output parameters:
|
||||
* id - partition id
|
||||
* RTEMS_SUCCESSFUL - if successful
|
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* error code - if unsuccessful
|
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*/
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rtems_status_code rtems_partition_create(
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rtems_name name,
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void *starting_address,
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unsigned32 length,
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unsigned32 buffer_size,
|
||||
rtems_attribute attribute_set,
|
||||
Objects_Id *id
|
||||
)
|
||||
{
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register Partition_Control *the_partition;
|
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|
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if ( !rtems_is_name_valid( name ) )
|
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return RTEMS_INVALID_NAME;
|
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|
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if ( length == 0 || buffer_size == 0 || length < buffer_size ||
|
||||
!_Partition_Is_buffer_size_aligned( buffer_size ) )
|
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return RTEMS_INVALID_SIZE;
|
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|
||||
if ( !_Addresses_Is_aligned( starting_address ) )
|
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return RTEMS_INVALID_ADDRESS;
|
||||
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
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if ( _Attributes_Is_global( attribute_set ) &&
|
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!_System_state_Is_multiprocessing )
|
||||
return RTEMS_MP_NOT_CONFIGURED;
|
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#endif
|
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|
||||
_Thread_Disable_dispatch(); /* prevents deletion */
|
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|
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the_partition = _Partition_Allocate();
|
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|
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if ( !the_partition ) {
|
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_Thread_Enable_dispatch();
|
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return RTEMS_TOO_MANY;
|
||||
}
|
||||
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
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if ( _Attributes_Is_global( attribute_set ) &&
|
||||
!( _Objects_MP_Allocate_and_open( &_Partition_Information, name,
|
||||
the_partition->Object.id, FALSE ) ) ) {
|
||||
_Partition_Free( the_partition );
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_TOO_MANY;
|
||||
}
|
||||
#endif
|
||||
|
||||
the_partition->starting_address = starting_address;
|
||||
the_partition->length = length;
|
||||
the_partition->buffer_size = buffer_size;
|
||||
the_partition->attribute_set = attribute_set;
|
||||
the_partition->number_of_used_blocks = 0;
|
||||
|
||||
_Chain_Initialize( &the_partition->Memory, starting_address,
|
||||
length / buffer_size, buffer_size );
|
||||
|
||||
_Objects_Open( &_Partition_Information, &the_partition->Object, &name );
|
||||
|
||||
*id = the_partition->Object.id;
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
if ( _Attributes_Is_global( attribute_set ) )
|
||||
_Partition_MP_Send_process_packet(
|
||||
PARTITION_MP_ANNOUNCE_CREATE,
|
||||
the_partition->Object.id,
|
||||
name,
|
||||
0 /* Not used */
|
||||
);
|
||||
#endif
|
||||
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
88
c/src/exec/rtems/src/partdelete.c
Normal file
88
c/src/exec/rtems/src/partdelete.c
Normal file
@@ -0,0 +1,88 @@
|
||||
/*
|
||||
* Partition Manager
|
||||
*
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1998.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
* Copyright assigned to U.S. Government, 1994.
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <rtems/system.h>
|
||||
#include <rtems/rtems/status.h>
|
||||
#include <rtems/rtems/support.h>
|
||||
#include <rtems/score/address.h>
|
||||
#include <rtems/score/object.h>
|
||||
#include <rtems/rtems/part.h>
|
||||
#include <rtems/score/thread.h>
|
||||
#include <rtems/score/sysstate.h>
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* rtems_partition_delete
|
||||
*
|
||||
* This directive allows a thread to delete a partition specified by
|
||||
* the partition identifier, provided that none of its buffers are
|
||||
* still allocated.
|
||||
*
|
||||
* Input parameters:
|
||||
* id - partition id
|
||||
*
|
||||
* Output parameters:
|
||||
* RTEMS_SUCCESSFUL - if successful
|
||||
* error code - if unsuccessful
|
||||
*/
|
||||
|
||||
rtems_status_code rtems_partition_delete(
|
||||
Objects_Id id
|
||||
)
|
||||
{
|
||||
register Partition_Control *the_partition;
|
||||
Objects_Locations location;
|
||||
|
||||
the_partition = _Partition_Get( id, &location );
|
||||
switch ( location ) {
|
||||
case OBJECTS_REMOTE:
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
_Thread_Dispatch();
|
||||
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
|
||||
#endif
|
||||
|
||||
case OBJECTS_ERROR:
|
||||
return RTEMS_INVALID_ID;
|
||||
|
||||
case OBJECTS_LOCAL:
|
||||
if ( the_partition->number_of_used_blocks == 0 ) {
|
||||
_Objects_Close( &_Partition_Information, &the_partition->Object );
|
||||
_Partition_Free( the_partition );
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
if ( _Attributes_Is_global( the_partition->attribute_set ) ) {
|
||||
|
||||
_Objects_MP_Close(
|
||||
&_Partition_Information,
|
||||
the_partition->Object.id
|
||||
);
|
||||
|
||||
_Partition_MP_Send_process_packet(
|
||||
PARTITION_MP_ANNOUNCE_DELETE,
|
||||
the_partition->Object.id,
|
||||
0, /* Not used */
|
||||
0 /* Not used */
|
||||
);
|
||||
}
|
||||
#endif
|
||||
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_RESOURCE_IN_USE;
|
||||
}
|
||||
|
||||
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
|
||||
}
|
||||
80
c/src/exec/rtems/src/partgetbuffer.c
Normal file
80
c/src/exec/rtems/src/partgetbuffer.c
Normal file
@@ -0,0 +1,80 @@
|
||||
/*
|
||||
* Partition Manager
|
||||
*
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1998.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
* Copyright assigned to U.S. Government, 1994.
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <rtems/system.h>
|
||||
#include <rtems/rtems/status.h>
|
||||
#include <rtems/rtems/support.h>
|
||||
#include <rtems/score/address.h>
|
||||
#include <rtems/score/object.h>
|
||||
#include <rtems/rtems/part.h>
|
||||
#include <rtems/score/thread.h>
|
||||
#include <rtems/score/sysstate.h>
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* rtems_partition_get_buffer
|
||||
*
|
||||
* This directive will obtain a buffer from a buffer partition.
|
||||
*
|
||||
* Input parameters:
|
||||
* id - partition id
|
||||
* buffer - pointer to buffer address
|
||||
*
|
||||
* Output parameters:
|
||||
* buffer - pointer to buffer address filled in
|
||||
* RTEMS_SUCCESSFUL - if successful
|
||||
* error code - if unsuccessful
|
||||
*/
|
||||
|
||||
rtems_status_code rtems_partition_get_buffer(
|
||||
Objects_Id id,
|
||||
void **buffer
|
||||
)
|
||||
{
|
||||
register Partition_Control *the_partition;
|
||||
Objects_Locations location;
|
||||
void *the_buffer;
|
||||
|
||||
the_partition = _Partition_Get( id, &location );
|
||||
switch ( location ) {
|
||||
case OBJECTS_REMOTE:
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
_Thread_Executing->Wait.return_argument = buffer;
|
||||
return(
|
||||
_Partition_MP_Send_request_packet(
|
||||
PARTITION_MP_GET_BUFFER_REQUEST,
|
||||
id,
|
||||
0 /* Not used */
|
||||
)
|
||||
);
|
||||
#endif
|
||||
|
||||
case OBJECTS_ERROR:
|
||||
return RTEMS_INVALID_ID;
|
||||
|
||||
case OBJECTS_LOCAL:
|
||||
the_buffer = _Partition_Allocate_buffer( the_partition );
|
||||
if ( the_buffer ) {
|
||||
the_partition->number_of_used_blocks += 1;
|
||||
_Thread_Enable_dispatch();
|
||||
*buffer = the_buffer;
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_UNSATISFIED;
|
||||
}
|
||||
|
||||
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
|
||||
}
|
||||
54
c/src/exec/rtems/src/partident.c
Normal file
54
c/src/exec/rtems/src/partident.c
Normal file
@@ -0,0 +1,54 @@
|
||||
/*
|
||||
* Partition Manager
|
||||
*
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1998.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
* Copyright assigned to U.S. Government, 1994.
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <rtems/system.h>
|
||||
#include <rtems/rtems/status.h>
|
||||
#include <rtems/rtems/support.h>
|
||||
#include <rtems/score/address.h>
|
||||
#include <rtems/score/object.h>
|
||||
#include <rtems/rtems/part.h>
|
||||
#include <rtems/score/thread.h>
|
||||
#include <rtems/score/sysstate.h>
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* rtems_partition_ident
|
||||
*
|
||||
* This directive returns the system ID associated with
|
||||
* the partition name.
|
||||
*
|
||||
* Input parameters:
|
||||
* name - user defined partition name
|
||||
* node - node(s) to be searched
|
||||
* id - pointer to partition id
|
||||
*
|
||||
* Output parameters:
|
||||
* *id - partition id
|
||||
* RTEMS_SUCCESSFUL - if successful
|
||||
* error code - if unsuccessful
|
||||
*/
|
||||
|
||||
rtems_status_code rtems_partition_ident(
|
||||
rtems_name name,
|
||||
unsigned32 node,
|
||||
Objects_Id *id
|
||||
)
|
||||
{
|
||||
Objects_Name_to_id_errors status;
|
||||
|
||||
status = _Objects_Name_to_id( &_Partition_Information, &name, node, id );
|
||||
|
||||
return _Status_Object_name_errors_to_status[ status ];
|
||||
}
|
||||
76
c/src/exec/rtems/src/partreturnbuffer.c
Normal file
76
c/src/exec/rtems/src/partreturnbuffer.c
Normal file
@@ -0,0 +1,76 @@
|
||||
/*
|
||||
* Partition Manager
|
||||
*
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1998.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
* Copyright assigned to U.S. Government, 1994.
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <rtems/system.h>
|
||||
#include <rtems/rtems/status.h>
|
||||
#include <rtems/rtems/support.h>
|
||||
#include <rtems/score/address.h>
|
||||
#include <rtems/score/object.h>
|
||||
#include <rtems/rtems/part.h>
|
||||
#include <rtems/score/thread.h>
|
||||
#include <rtems/score/sysstate.h>
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* rtems_partition_return_buffer
|
||||
*
|
||||
* This directive will return the given buffer to the specified
|
||||
* buffer partition.
|
||||
*
|
||||
* Input parameters:
|
||||
* id - partition id
|
||||
* buffer - pointer to buffer address
|
||||
*
|
||||
* Output parameters:
|
||||
* RTEMS_SUCCESSFUL - if successful
|
||||
* error code - if unsuccessful
|
||||
*/
|
||||
|
||||
rtems_status_code rtems_partition_return_buffer(
|
||||
Objects_Id id,
|
||||
void *buffer
|
||||
)
|
||||
{
|
||||
register Partition_Control *the_partition;
|
||||
Objects_Locations location;
|
||||
|
||||
the_partition = _Partition_Get( id, &location );
|
||||
switch ( location ) {
|
||||
|
||||
case OBJECTS_REMOTE:
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
return _Partition_MP_Send_request_packet(
|
||||
PARTITION_MP_RETURN_BUFFER_REQUEST,
|
||||
id,
|
||||
buffer
|
||||
);
|
||||
#endif
|
||||
|
||||
case OBJECTS_ERROR:
|
||||
return RTEMS_INVALID_ID;
|
||||
|
||||
case OBJECTS_LOCAL:
|
||||
if ( _Partition_Is_buffer_valid( buffer, the_partition ) ) {
|
||||
_Partition_Free_buffer( the_partition, buffer );
|
||||
the_partition->number_of_used_blocks -= 1;
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_INVALID_ADDRESS;
|
||||
}
|
||||
|
||||
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
|
||||
}
|
||||
@@ -62,302 +62,3 @@ void _Partition_Manager_initialization(
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* rtems_partition_create
|
||||
*
|
||||
* This directive creates a partiton of fixed sized buffers from the
|
||||
* given contiguous memory area.
|
||||
*
|
||||
* Input parameters:
|
||||
* name - user defined partition name
|
||||
* starting_address - physical start address of partition
|
||||
* length - physical length in bytes
|
||||
* buffer_size - size of buffers in bytes
|
||||
* attribute_set - partition attributes
|
||||
* id - pointer to partition id
|
||||
*
|
||||
* Output parameters:
|
||||
* id - partition id
|
||||
* RTEMS_SUCCESSFUL - if successful
|
||||
* error code - if unsuccessful
|
||||
*/
|
||||
|
||||
rtems_status_code rtems_partition_create(
|
||||
rtems_name name,
|
||||
void *starting_address,
|
||||
unsigned32 length,
|
||||
unsigned32 buffer_size,
|
||||
rtems_attribute attribute_set,
|
||||
Objects_Id *id
|
||||
)
|
||||
{
|
||||
register Partition_Control *the_partition;
|
||||
|
||||
if ( !rtems_is_name_valid( name ) )
|
||||
return RTEMS_INVALID_NAME;
|
||||
|
||||
if ( length == 0 || buffer_size == 0 || length < buffer_size ||
|
||||
!_Partition_Is_buffer_size_aligned( buffer_size ) )
|
||||
return RTEMS_INVALID_SIZE;
|
||||
|
||||
if ( !_Addresses_Is_aligned( starting_address ) )
|
||||
return RTEMS_INVALID_ADDRESS;
|
||||
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
if ( _Attributes_Is_global( attribute_set ) &&
|
||||
!_System_state_Is_multiprocessing )
|
||||
return RTEMS_MP_NOT_CONFIGURED;
|
||||
#endif
|
||||
|
||||
_Thread_Disable_dispatch(); /* prevents deletion */
|
||||
|
||||
the_partition = _Partition_Allocate();
|
||||
|
||||
if ( !the_partition ) {
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_TOO_MANY;
|
||||
}
|
||||
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
if ( _Attributes_Is_global( attribute_set ) &&
|
||||
!( _Objects_MP_Allocate_and_open( &_Partition_Information, name,
|
||||
the_partition->Object.id, FALSE ) ) ) {
|
||||
_Partition_Free( the_partition );
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_TOO_MANY;
|
||||
}
|
||||
#endif
|
||||
|
||||
the_partition->starting_address = starting_address;
|
||||
the_partition->length = length;
|
||||
the_partition->buffer_size = buffer_size;
|
||||
the_partition->attribute_set = attribute_set;
|
||||
the_partition->number_of_used_blocks = 0;
|
||||
|
||||
_Chain_Initialize( &the_partition->Memory, starting_address,
|
||||
length / buffer_size, buffer_size );
|
||||
|
||||
_Objects_Open( &_Partition_Information, &the_partition->Object, &name );
|
||||
|
||||
*id = the_partition->Object.id;
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
if ( _Attributes_Is_global( attribute_set ) )
|
||||
_Partition_MP_Send_process_packet(
|
||||
PARTITION_MP_ANNOUNCE_CREATE,
|
||||
the_partition->Object.id,
|
||||
name,
|
||||
0 /* Not used */
|
||||
);
|
||||
#endif
|
||||
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* rtems_partition_ident
|
||||
*
|
||||
* This directive returns the system ID associated with
|
||||
* the partition name.
|
||||
*
|
||||
* Input parameters:
|
||||
* name - user defined partition name
|
||||
* node - node(s) to be searched
|
||||
* id - pointer to partition id
|
||||
*
|
||||
* Output parameters:
|
||||
* *id - partition id
|
||||
* RTEMS_SUCCESSFUL - if successful
|
||||
* error code - if unsuccessful
|
||||
*/
|
||||
|
||||
rtems_status_code rtems_partition_ident(
|
||||
rtems_name name,
|
||||
unsigned32 node,
|
||||
Objects_Id *id
|
||||
)
|
||||
{
|
||||
Objects_Name_to_id_errors status;
|
||||
|
||||
status = _Objects_Name_to_id( &_Partition_Information, &name, node, id );
|
||||
|
||||
return _Status_Object_name_errors_to_status[ status ];
|
||||
}
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* rtems_partition_delete
|
||||
*
|
||||
* This directive allows a thread to delete a partition specified by
|
||||
* the partition identifier, provided that none of its buffers are
|
||||
* still allocated.
|
||||
*
|
||||
* Input parameters:
|
||||
* id - partition id
|
||||
*
|
||||
* Output parameters:
|
||||
* RTEMS_SUCCESSFUL - if successful
|
||||
* error code - if unsuccessful
|
||||
*/
|
||||
|
||||
rtems_status_code rtems_partition_delete(
|
||||
Objects_Id id
|
||||
)
|
||||
{
|
||||
register Partition_Control *the_partition;
|
||||
Objects_Locations location;
|
||||
|
||||
the_partition = _Partition_Get( id, &location );
|
||||
switch ( location ) {
|
||||
case OBJECTS_REMOTE:
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
_Thread_Dispatch();
|
||||
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
|
||||
#endif
|
||||
|
||||
case OBJECTS_ERROR:
|
||||
return RTEMS_INVALID_ID;
|
||||
|
||||
case OBJECTS_LOCAL:
|
||||
if ( the_partition->number_of_used_blocks == 0 ) {
|
||||
_Objects_Close( &_Partition_Information, &the_partition->Object );
|
||||
_Partition_Free( the_partition );
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
if ( _Attributes_Is_global( the_partition->attribute_set ) ) {
|
||||
|
||||
_Objects_MP_Close(
|
||||
&_Partition_Information,
|
||||
the_partition->Object.id
|
||||
);
|
||||
|
||||
_Partition_MP_Send_process_packet(
|
||||
PARTITION_MP_ANNOUNCE_DELETE,
|
||||
the_partition->Object.id,
|
||||
0, /* Not used */
|
||||
0 /* Not used */
|
||||
);
|
||||
}
|
||||
#endif
|
||||
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_RESOURCE_IN_USE;
|
||||
}
|
||||
|
||||
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
|
||||
}
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* rtems_partition_get_buffer
|
||||
*
|
||||
* This directive will obtain a buffer from a buffer partition.
|
||||
*
|
||||
* Input parameters:
|
||||
* id - partition id
|
||||
* buffer - pointer to buffer address
|
||||
*
|
||||
* Output parameters:
|
||||
* buffer - pointer to buffer address filled in
|
||||
* RTEMS_SUCCESSFUL - if successful
|
||||
* error code - if unsuccessful
|
||||
*/
|
||||
|
||||
rtems_status_code rtems_partition_get_buffer(
|
||||
Objects_Id id,
|
||||
void **buffer
|
||||
)
|
||||
{
|
||||
register Partition_Control *the_partition;
|
||||
Objects_Locations location;
|
||||
void *the_buffer;
|
||||
|
||||
the_partition = _Partition_Get( id, &location );
|
||||
switch ( location ) {
|
||||
case OBJECTS_REMOTE:
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
_Thread_Executing->Wait.return_argument = buffer;
|
||||
return(
|
||||
_Partition_MP_Send_request_packet(
|
||||
PARTITION_MP_GET_BUFFER_REQUEST,
|
||||
id,
|
||||
0 /* Not used */
|
||||
)
|
||||
);
|
||||
#endif
|
||||
|
||||
case OBJECTS_ERROR:
|
||||
return RTEMS_INVALID_ID;
|
||||
|
||||
case OBJECTS_LOCAL:
|
||||
the_buffer = _Partition_Allocate_buffer( the_partition );
|
||||
if ( the_buffer ) {
|
||||
the_partition->number_of_used_blocks += 1;
|
||||
_Thread_Enable_dispatch();
|
||||
*buffer = the_buffer;
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_UNSATISFIED;
|
||||
}
|
||||
|
||||
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
|
||||
}
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* rtems_partition_return_buffer
|
||||
*
|
||||
* This directive will return the given buffer to the specified
|
||||
* buffer partition.
|
||||
*
|
||||
* Input parameters:
|
||||
* id - partition id
|
||||
* buffer - pointer to buffer address
|
||||
*
|
||||
* Output parameters:
|
||||
* RTEMS_SUCCESSFUL - if successful
|
||||
* error code - if unsuccessful
|
||||
*/
|
||||
|
||||
rtems_status_code rtems_partition_return_buffer(
|
||||
Objects_Id id,
|
||||
void *buffer
|
||||
)
|
||||
{
|
||||
register Partition_Control *the_partition;
|
||||
Objects_Locations location;
|
||||
|
||||
the_partition = _Partition_Get( id, &location );
|
||||
switch ( location ) {
|
||||
|
||||
case OBJECTS_REMOTE:
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
return _Partition_MP_Send_request_packet(
|
||||
PARTITION_MP_RETURN_BUFFER_REQUEST,
|
||||
id,
|
||||
buffer
|
||||
);
|
||||
#endif
|
||||
|
||||
case OBJECTS_ERROR:
|
||||
return RTEMS_INVALID_ID;
|
||||
|
||||
case OBJECTS_LOCAL:
|
||||
if ( _Partition_Is_buffer_valid( buffer, the_partition ) ) {
|
||||
_Partition_Free_buffer( the_partition, buffer );
|
||||
the_partition->number_of_used_blocks -= 1;
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_INVALID_ADDRESS;
|
||||
}
|
||||
|
||||
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
|
||||
}
|
||||
|
||||
116
cpukit/rtems/src/partcreate.c
Normal file
116
cpukit/rtems/src/partcreate.c
Normal file
@@ -0,0 +1,116 @@
|
||||
/*
|
||||
* Partition Manager
|
||||
*
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1998.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
* Copyright assigned to U.S. Government, 1994.
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <rtems/system.h>
|
||||
#include <rtems/rtems/status.h>
|
||||
#include <rtems/rtems/support.h>
|
||||
#include <rtems/score/address.h>
|
||||
#include <rtems/score/object.h>
|
||||
#include <rtems/rtems/part.h>
|
||||
#include <rtems/score/thread.h>
|
||||
#include <rtems/score/sysstate.h>
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* rtems_partition_create
|
||||
*
|
||||
* This directive creates a partiton of fixed sized buffers from the
|
||||
* given contiguous memory area.
|
||||
*
|
||||
* Input parameters:
|
||||
* name - user defined partition name
|
||||
* starting_address - physical start address of partition
|
||||
* length - physical length in bytes
|
||||
* buffer_size - size of buffers in bytes
|
||||
* attribute_set - partition attributes
|
||||
* id - pointer to partition id
|
||||
*
|
||||
* Output parameters:
|
||||
* id - partition id
|
||||
* RTEMS_SUCCESSFUL - if successful
|
||||
* error code - if unsuccessful
|
||||
*/
|
||||
|
||||
rtems_status_code rtems_partition_create(
|
||||
rtems_name name,
|
||||
void *starting_address,
|
||||
unsigned32 length,
|
||||
unsigned32 buffer_size,
|
||||
rtems_attribute attribute_set,
|
||||
Objects_Id *id
|
||||
)
|
||||
{
|
||||
register Partition_Control *the_partition;
|
||||
|
||||
if ( !rtems_is_name_valid( name ) )
|
||||
return RTEMS_INVALID_NAME;
|
||||
|
||||
if ( length == 0 || buffer_size == 0 || length < buffer_size ||
|
||||
!_Partition_Is_buffer_size_aligned( buffer_size ) )
|
||||
return RTEMS_INVALID_SIZE;
|
||||
|
||||
if ( !_Addresses_Is_aligned( starting_address ) )
|
||||
return RTEMS_INVALID_ADDRESS;
|
||||
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
if ( _Attributes_Is_global( attribute_set ) &&
|
||||
!_System_state_Is_multiprocessing )
|
||||
return RTEMS_MP_NOT_CONFIGURED;
|
||||
#endif
|
||||
|
||||
_Thread_Disable_dispatch(); /* prevents deletion */
|
||||
|
||||
the_partition = _Partition_Allocate();
|
||||
|
||||
if ( !the_partition ) {
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_TOO_MANY;
|
||||
}
|
||||
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
if ( _Attributes_Is_global( attribute_set ) &&
|
||||
!( _Objects_MP_Allocate_and_open( &_Partition_Information, name,
|
||||
the_partition->Object.id, FALSE ) ) ) {
|
||||
_Partition_Free( the_partition );
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_TOO_MANY;
|
||||
}
|
||||
#endif
|
||||
|
||||
the_partition->starting_address = starting_address;
|
||||
the_partition->length = length;
|
||||
the_partition->buffer_size = buffer_size;
|
||||
the_partition->attribute_set = attribute_set;
|
||||
the_partition->number_of_used_blocks = 0;
|
||||
|
||||
_Chain_Initialize( &the_partition->Memory, starting_address,
|
||||
length / buffer_size, buffer_size );
|
||||
|
||||
_Objects_Open( &_Partition_Information, &the_partition->Object, &name );
|
||||
|
||||
*id = the_partition->Object.id;
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
if ( _Attributes_Is_global( attribute_set ) )
|
||||
_Partition_MP_Send_process_packet(
|
||||
PARTITION_MP_ANNOUNCE_CREATE,
|
||||
the_partition->Object.id,
|
||||
name,
|
||||
0 /* Not used */
|
||||
);
|
||||
#endif
|
||||
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
88
cpukit/rtems/src/partdelete.c
Normal file
88
cpukit/rtems/src/partdelete.c
Normal file
@@ -0,0 +1,88 @@
|
||||
/*
|
||||
* Partition Manager
|
||||
*
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1998.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
* Copyright assigned to U.S. Government, 1994.
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <rtems/system.h>
|
||||
#include <rtems/rtems/status.h>
|
||||
#include <rtems/rtems/support.h>
|
||||
#include <rtems/score/address.h>
|
||||
#include <rtems/score/object.h>
|
||||
#include <rtems/rtems/part.h>
|
||||
#include <rtems/score/thread.h>
|
||||
#include <rtems/score/sysstate.h>
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* rtems_partition_delete
|
||||
*
|
||||
* This directive allows a thread to delete a partition specified by
|
||||
* the partition identifier, provided that none of its buffers are
|
||||
* still allocated.
|
||||
*
|
||||
* Input parameters:
|
||||
* id - partition id
|
||||
*
|
||||
* Output parameters:
|
||||
* RTEMS_SUCCESSFUL - if successful
|
||||
* error code - if unsuccessful
|
||||
*/
|
||||
|
||||
rtems_status_code rtems_partition_delete(
|
||||
Objects_Id id
|
||||
)
|
||||
{
|
||||
register Partition_Control *the_partition;
|
||||
Objects_Locations location;
|
||||
|
||||
the_partition = _Partition_Get( id, &location );
|
||||
switch ( location ) {
|
||||
case OBJECTS_REMOTE:
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
_Thread_Dispatch();
|
||||
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
|
||||
#endif
|
||||
|
||||
case OBJECTS_ERROR:
|
||||
return RTEMS_INVALID_ID;
|
||||
|
||||
case OBJECTS_LOCAL:
|
||||
if ( the_partition->number_of_used_blocks == 0 ) {
|
||||
_Objects_Close( &_Partition_Information, &the_partition->Object );
|
||||
_Partition_Free( the_partition );
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
if ( _Attributes_Is_global( the_partition->attribute_set ) ) {
|
||||
|
||||
_Objects_MP_Close(
|
||||
&_Partition_Information,
|
||||
the_partition->Object.id
|
||||
);
|
||||
|
||||
_Partition_MP_Send_process_packet(
|
||||
PARTITION_MP_ANNOUNCE_DELETE,
|
||||
the_partition->Object.id,
|
||||
0, /* Not used */
|
||||
0 /* Not used */
|
||||
);
|
||||
}
|
||||
#endif
|
||||
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_RESOURCE_IN_USE;
|
||||
}
|
||||
|
||||
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
|
||||
}
|
||||
80
cpukit/rtems/src/partgetbuffer.c
Normal file
80
cpukit/rtems/src/partgetbuffer.c
Normal file
@@ -0,0 +1,80 @@
|
||||
/*
|
||||
* Partition Manager
|
||||
*
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1998.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
* Copyright assigned to U.S. Government, 1994.
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <rtems/system.h>
|
||||
#include <rtems/rtems/status.h>
|
||||
#include <rtems/rtems/support.h>
|
||||
#include <rtems/score/address.h>
|
||||
#include <rtems/score/object.h>
|
||||
#include <rtems/rtems/part.h>
|
||||
#include <rtems/score/thread.h>
|
||||
#include <rtems/score/sysstate.h>
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* rtems_partition_get_buffer
|
||||
*
|
||||
* This directive will obtain a buffer from a buffer partition.
|
||||
*
|
||||
* Input parameters:
|
||||
* id - partition id
|
||||
* buffer - pointer to buffer address
|
||||
*
|
||||
* Output parameters:
|
||||
* buffer - pointer to buffer address filled in
|
||||
* RTEMS_SUCCESSFUL - if successful
|
||||
* error code - if unsuccessful
|
||||
*/
|
||||
|
||||
rtems_status_code rtems_partition_get_buffer(
|
||||
Objects_Id id,
|
||||
void **buffer
|
||||
)
|
||||
{
|
||||
register Partition_Control *the_partition;
|
||||
Objects_Locations location;
|
||||
void *the_buffer;
|
||||
|
||||
the_partition = _Partition_Get( id, &location );
|
||||
switch ( location ) {
|
||||
case OBJECTS_REMOTE:
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
_Thread_Executing->Wait.return_argument = buffer;
|
||||
return(
|
||||
_Partition_MP_Send_request_packet(
|
||||
PARTITION_MP_GET_BUFFER_REQUEST,
|
||||
id,
|
||||
0 /* Not used */
|
||||
)
|
||||
);
|
||||
#endif
|
||||
|
||||
case OBJECTS_ERROR:
|
||||
return RTEMS_INVALID_ID;
|
||||
|
||||
case OBJECTS_LOCAL:
|
||||
the_buffer = _Partition_Allocate_buffer( the_partition );
|
||||
if ( the_buffer ) {
|
||||
the_partition->number_of_used_blocks += 1;
|
||||
_Thread_Enable_dispatch();
|
||||
*buffer = the_buffer;
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_UNSATISFIED;
|
||||
}
|
||||
|
||||
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
|
||||
}
|
||||
54
cpukit/rtems/src/partident.c
Normal file
54
cpukit/rtems/src/partident.c
Normal file
@@ -0,0 +1,54 @@
|
||||
/*
|
||||
* Partition Manager
|
||||
*
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1998.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
* Copyright assigned to U.S. Government, 1994.
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <rtems/system.h>
|
||||
#include <rtems/rtems/status.h>
|
||||
#include <rtems/rtems/support.h>
|
||||
#include <rtems/score/address.h>
|
||||
#include <rtems/score/object.h>
|
||||
#include <rtems/rtems/part.h>
|
||||
#include <rtems/score/thread.h>
|
||||
#include <rtems/score/sysstate.h>
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* rtems_partition_ident
|
||||
*
|
||||
* This directive returns the system ID associated with
|
||||
* the partition name.
|
||||
*
|
||||
* Input parameters:
|
||||
* name - user defined partition name
|
||||
* node - node(s) to be searched
|
||||
* id - pointer to partition id
|
||||
*
|
||||
* Output parameters:
|
||||
* *id - partition id
|
||||
* RTEMS_SUCCESSFUL - if successful
|
||||
* error code - if unsuccessful
|
||||
*/
|
||||
|
||||
rtems_status_code rtems_partition_ident(
|
||||
rtems_name name,
|
||||
unsigned32 node,
|
||||
Objects_Id *id
|
||||
)
|
||||
{
|
||||
Objects_Name_to_id_errors status;
|
||||
|
||||
status = _Objects_Name_to_id( &_Partition_Information, &name, node, id );
|
||||
|
||||
return _Status_Object_name_errors_to_status[ status ];
|
||||
}
|
||||
76
cpukit/rtems/src/partreturnbuffer.c
Normal file
76
cpukit/rtems/src/partreturnbuffer.c
Normal file
@@ -0,0 +1,76 @@
|
||||
/*
|
||||
* Partition Manager
|
||||
*
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1998.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
* Copyright assigned to U.S. Government, 1994.
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.OARcorp.com/rtems/license.html.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <rtems/system.h>
|
||||
#include <rtems/rtems/status.h>
|
||||
#include <rtems/rtems/support.h>
|
||||
#include <rtems/score/address.h>
|
||||
#include <rtems/score/object.h>
|
||||
#include <rtems/rtems/part.h>
|
||||
#include <rtems/score/thread.h>
|
||||
#include <rtems/score/sysstate.h>
|
||||
|
||||
/*PAGE
|
||||
*
|
||||
* rtems_partition_return_buffer
|
||||
*
|
||||
* This directive will return the given buffer to the specified
|
||||
* buffer partition.
|
||||
*
|
||||
* Input parameters:
|
||||
* id - partition id
|
||||
* buffer - pointer to buffer address
|
||||
*
|
||||
* Output parameters:
|
||||
* RTEMS_SUCCESSFUL - if successful
|
||||
* error code - if unsuccessful
|
||||
*/
|
||||
|
||||
rtems_status_code rtems_partition_return_buffer(
|
||||
Objects_Id id,
|
||||
void *buffer
|
||||
)
|
||||
{
|
||||
register Partition_Control *the_partition;
|
||||
Objects_Locations location;
|
||||
|
||||
the_partition = _Partition_Get( id, &location );
|
||||
switch ( location ) {
|
||||
|
||||
case OBJECTS_REMOTE:
|
||||
#if defined(RTEMS_MULTIPROCESSING)
|
||||
return _Partition_MP_Send_request_packet(
|
||||
PARTITION_MP_RETURN_BUFFER_REQUEST,
|
||||
id,
|
||||
buffer
|
||||
);
|
||||
#endif
|
||||
|
||||
case OBJECTS_ERROR:
|
||||
return RTEMS_INVALID_ID;
|
||||
|
||||
case OBJECTS_LOCAL:
|
||||
if ( _Partition_Is_buffer_valid( buffer, the_partition ) ) {
|
||||
_Partition_Free_buffer( the_partition, buffer );
|
||||
the_partition->number_of_used_blocks -= 1;
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_SUCCESSFUL;
|
||||
}
|
||||
_Thread_Enable_dispatch();
|
||||
return RTEMS_INVALID_ADDRESS;
|
||||
}
|
||||
|
||||
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
|
||||
}
|
||||
Reference in New Issue
Block a user