/*
|
/*
|
* Multiprocessing Support for the RTEMS Task Manager
|
* Multiprocessing Support for the RTEMS Task Manager
|
*
|
*
|
*
|
*
|
* COPYRIGHT (c) 1989-1999.
|
* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
|
* On-Line Applications Research Corporation (OAR).
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*
|
*
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* The license and distribution terms for this file may be
|
* The license and distribution terms for this file may be
|
* found in the file LICENSE in this distribution or at
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* found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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* http://www.OARcorp.com/rtems/license.html.
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*
|
*
|
* $Id: taskmp.c,v 1.2 2001-09-27 11:59:19 chris Exp $
|
* $Id: taskmp.c,v 1.2 2001-09-27 11:59:19 chris Exp $
|
*/
|
*/
|
|
|
#include <rtems/system.h>
|
#include <rtems/system.h>
|
#include <rtems/rtems/status.h>
|
#include <rtems/rtems/status.h>
|
#include <rtems/score/mpci.h>
|
#include <rtems/score/mpci.h>
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#include <rtems/score/mppkt.h>
|
#include <rtems/score/mppkt.h>
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#include <rtems/score/object.h>
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#include <rtems/score/object.h>
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#include <rtems/rtems/options.h>
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#include <rtems/rtems/options.h>
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#include <rtems/rtems/tasks.h>
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#include <rtems/rtems/tasks.h>
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#include <rtems/score/thread.h>
|
#include <rtems/score/thread.h>
|
#include <rtems/score/watchdog.h>
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#include <rtems/score/watchdog.h>
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#include <rtems/rtems/support.h>
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#include <rtems/rtems/support.h>
|
|
|
/*PAGE
|
/*PAGE
|
*
|
*
|
* _RTEMS_tasks_MP_Send_process_packet
|
* _RTEMS_tasks_MP_Send_process_packet
|
*
|
*
|
*/
|
*/
|
|
|
void _RTEMS_tasks_MP_Send_process_packet (
|
void _RTEMS_tasks_MP_Send_process_packet (
|
RTEMS_tasks_MP_Remote_operations operation,
|
RTEMS_tasks_MP_Remote_operations operation,
|
Objects_Id task_id,
|
Objects_Id task_id,
|
rtems_name name
|
rtems_name name
|
)
|
)
|
{
|
{
|
RTEMS_tasks_MP_Packet *the_packet;
|
RTEMS_tasks_MP_Packet *the_packet;
|
|
|
switch ( operation ) {
|
switch ( operation ) {
|
|
|
case RTEMS_TASKS_MP_ANNOUNCE_CREATE:
|
case RTEMS_TASKS_MP_ANNOUNCE_CREATE:
|
case RTEMS_TASKS_MP_ANNOUNCE_DELETE:
|
case RTEMS_TASKS_MP_ANNOUNCE_DELETE:
|
|
|
the_packet = _RTEMS_tasks_MP_Get_packet();
|
the_packet = _RTEMS_tasks_MP_Get_packet();
|
the_packet->Prefix.the_class = MP_PACKET_TASKS;
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the_packet->Prefix.the_class = MP_PACKET_TASKS;
|
the_packet->Prefix.length = sizeof ( RTEMS_tasks_MP_Packet );
|
the_packet->Prefix.length = sizeof ( RTEMS_tasks_MP_Packet );
|
the_packet->Prefix.to_convert = sizeof ( RTEMS_tasks_MP_Packet );
|
the_packet->Prefix.to_convert = sizeof ( RTEMS_tasks_MP_Packet );
|
the_packet->operation = operation;
|
the_packet->operation = operation;
|
the_packet->Prefix.id = task_id;
|
the_packet->Prefix.id = task_id;
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the_packet->name = name;
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the_packet->name = name;
|
|
|
_MPCI_Send_process_packet( MPCI_ALL_NODES, &the_packet->Prefix );
|
_MPCI_Send_process_packet( MPCI_ALL_NODES, &the_packet->Prefix );
|
break;
|
break;
|
|
|
case RTEMS_TASKS_MP_SUSPEND_REQUEST:
|
case RTEMS_TASKS_MP_SUSPEND_REQUEST:
|
case RTEMS_TASKS_MP_SUSPEND_RESPONSE:
|
case RTEMS_TASKS_MP_SUSPEND_RESPONSE:
|
case RTEMS_TASKS_MP_RESUME_REQUEST:
|
case RTEMS_TASKS_MP_RESUME_REQUEST:
|
case RTEMS_TASKS_MP_RESUME_RESPONSE:
|
case RTEMS_TASKS_MP_RESUME_RESPONSE:
|
case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST:
|
case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST:
|
case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE:
|
case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE:
|
case RTEMS_TASKS_MP_GET_NOTE_REQUEST:
|
case RTEMS_TASKS_MP_GET_NOTE_REQUEST:
|
case RTEMS_TASKS_MP_GET_NOTE_RESPONSE:
|
case RTEMS_TASKS_MP_GET_NOTE_RESPONSE:
|
case RTEMS_TASKS_MP_SET_NOTE_REQUEST:
|
case RTEMS_TASKS_MP_SET_NOTE_REQUEST:
|
case RTEMS_TASKS_MP_SET_NOTE_RESPONSE:
|
case RTEMS_TASKS_MP_SET_NOTE_RESPONSE:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
/*PAGE
|
/*PAGE
|
*
|
*
|
* _RTEMS_tasks_MP_Send_request_packet
|
* _RTEMS_tasks_MP_Send_request_packet
|
*
|
*
|
*/
|
*/
|
|
|
rtems_status_code _RTEMS_tasks_MP_Send_request_packet (
|
rtems_status_code _RTEMS_tasks_MP_Send_request_packet (
|
RTEMS_tasks_MP_Remote_operations operation,
|
RTEMS_tasks_MP_Remote_operations operation,
|
Objects_Id task_id,
|
Objects_Id task_id,
|
rtems_task_priority new_priority,
|
rtems_task_priority new_priority,
|
unsigned32 notepad,
|
unsigned32 notepad,
|
unsigned32 note
|
unsigned32 note
|
)
|
)
|
{
|
{
|
RTEMS_tasks_MP_Packet *the_packet;
|
RTEMS_tasks_MP_Packet *the_packet;
|
|
|
switch ( operation ) {
|
switch ( operation ) {
|
|
|
case RTEMS_TASKS_MP_SUSPEND_REQUEST:
|
case RTEMS_TASKS_MP_SUSPEND_REQUEST:
|
case RTEMS_TASKS_MP_RESUME_REQUEST:
|
case RTEMS_TASKS_MP_RESUME_REQUEST:
|
case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST:
|
case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST:
|
case RTEMS_TASKS_MP_GET_NOTE_REQUEST:
|
case RTEMS_TASKS_MP_GET_NOTE_REQUEST:
|
case RTEMS_TASKS_MP_SET_NOTE_REQUEST:
|
case RTEMS_TASKS_MP_SET_NOTE_REQUEST:
|
|
|
the_packet = _RTEMS_tasks_MP_Get_packet();
|
the_packet = _RTEMS_tasks_MP_Get_packet();
|
the_packet->Prefix.the_class = MP_PACKET_TASKS;
|
the_packet->Prefix.the_class = MP_PACKET_TASKS;
|
the_packet->Prefix.length = sizeof ( RTEMS_tasks_MP_Packet );
|
the_packet->Prefix.length = sizeof ( RTEMS_tasks_MP_Packet );
|
the_packet->Prefix.to_convert = sizeof ( RTEMS_tasks_MP_Packet );
|
the_packet->Prefix.to_convert = sizeof ( RTEMS_tasks_MP_Packet );
|
the_packet->operation = operation;
|
the_packet->operation = operation;
|
the_packet->Prefix.id = task_id;
|
the_packet->Prefix.id = task_id;
|
the_packet->the_priority = new_priority;
|
the_packet->the_priority = new_priority;
|
the_packet->notepad = notepad;
|
the_packet->notepad = notepad;
|
the_packet->note = note;
|
the_packet->note = note;
|
|
|
return _MPCI_Send_request_packet(
|
return _MPCI_Send_request_packet(
|
rtems_get_node( task_id ),
|
rtems_get_node( task_id ),
|
&the_packet->Prefix,
|
&the_packet->Prefix,
|
STATES_READY /* Not used */
|
STATES_READY /* Not used */
|
);
|
);
|
break;
|
break;
|
|
|
case RTEMS_TASKS_MP_ANNOUNCE_CREATE:
|
case RTEMS_TASKS_MP_ANNOUNCE_CREATE:
|
case RTEMS_TASKS_MP_ANNOUNCE_DELETE:
|
case RTEMS_TASKS_MP_ANNOUNCE_DELETE:
|
case RTEMS_TASKS_MP_SUSPEND_RESPONSE:
|
case RTEMS_TASKS_MP_SUSPEND_RESPONSE:
|
case RTEMS_TASKS_MP_RESUME_RESPONSE:
|
case RTEMS_TASKS_MP_RESUME_RESPONSE:
|
case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE:
|
case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE:
|
case RTEMS_TASKS_MP_GET_NOTE_RESPONSE:
|
case RTEMS_TASKS_MP_GET_NOTE_RESPONSE:
|
case RTEMS_TASKS_MP_SET_NOTE_RESPONSE:
|
case RTEMS_TASKS_MP_SET_NOTE_RESPONSE:
|
break;
|
break;
|
|
|
}
|
}
|
/*
|
/*
|
* The following line is included to satisfy compilers which
|
* The following line is included to satisfy compilers which
|
* produce warnings when a function does not end with a return.
|
* produce warnings when a function does not end with a return.
|
*/
|
*/
|
return RTEMS_SUCCESSFUL;
|
return RTEMS_SUCCESSFUL;
|
}
|
}
|
|
|
/*PAGE
|
/*PAGE
|
*
|
*
|
* _RTEMS_tasks_MP_Send_response_packet
|
* _RTEMS_tasks_MP_Send_response_packet
|
*
|
*
|
*/
|
*/
|
|
|
void _RTEMS_tasks_MP_Send_response_packet (
|
void _RTEMS_tasks_MP_Send_response_packet (
|
RTEMS_tasks_MP_Remote_operations operation,
|
RTEMS_tasks_MP_Remote_operations operation,
|
Thread_Control *the_thread
|
Thread_Control *the_thread
|
)
|
)
|
{
|
{
|
RTEMS_tasks_MP_Packet *the_packet;
|
RTEMS_tasks_MP_Packet *the_packet;
|
|
|
switch ( operation ) {
|
switch ( operation ) {
|
|
|
case RTEMS_TASKS_MP_SUSPEND_RESPONSE:
|
case RTEMS_TASKS_MP_SUSPEND_RESPONSE:
|
case RTEMS_TASKS_MP_RESUME_RESPONSE:
|
case RTEMS_TASKS_MP_RESUME_RESPONSE:
|
case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE:
|
case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE:
|
case RTEMS_TASKS_MP_GET_NOTE_RESPONSE:
|
case RTEMS_TASKS_MP_GET_NOTE_RESPONSE:
|
case RTEMS_TASKS_MP_SET_NOTE_RESPONSE:
|
case RTEMS_TASKS_MP_SET_NOTE_RESPONSE:
|
|
|
the_packet = (RTEMS_tasks_MP_Packet *) the_thread->receive_packet;
|
the_packet = (RTEMS_tasks_MP_Packet *) the_thread->receive_packet;
|
|
|
/*
|
/*
|
* The packet being returned already contains the class, length, and
|
* The packet being returned already contains the class, length, and
|
* to_convert fields, therefore they are not set in this routine.
|
* to_convert fields, therefore they are not set in this routine.
|
*/
|
*/
|
the_packet->operation = operation;
|
the_packet->operation = operation;
|
the_packet->Prefix.id = the_packet->Prefix.source_tid;
|
the_packet->Prefix.id = the_packet->Prefix.source_tid;
|
|
|
_MPCI_Send_response_packet(
|
_MPCI_Send_response_packet(
|
rtems_get_node( the_packet->Prefix.source_tid ),
|
rtems_get_node( the_packet->Prefix.source_tid ),
|
&the_packet->Prefix
|
&the_packet->Prefix
|
);
|
);
|
break;
|
break;
|
|
|
case RTEMS_TASKS_MP_ANNOUNCE_CREATE:
|
case RTEMS_TASKS_MP_ANNOUNCE_CREATE:
|
case RTEMS_TASKS_MP_ANNOUNCE_DELETE:
|
case RTEMS_TASKS_MP_ANNOUNCE_DELETE:
|
case RTEMS_TASKS_MP_SUSPEND_REQUEST:
|
case RTEMS_TASKS_MP_SUSPEND_REQUEST:
|
case RTEMS_TASKS_MP_RESUME_REQUEST:
|
case RTEMS_TASKS_MP_RESUME_REQUEST:
|
case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST:
|
case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST:
|
case RTEMS_TASKS_MP_GET_NOTE_REQUEST:
|
case RTEMS_TASKS_MP_GET_NOTE_REQUEST:
|
case RTEMS_TASKS_MP_SET_NOTE_REQUEST:
|
case RTEMS_TASKS_MP_SET_NOTE_REQUEST:
|
break;
|
break;
|
|
|
}
|
}
|
}
|
}
|
|
|
/*PAGE
|
/*PAGE
|
*
|
*
|
*
|
*
|
* _RTEMS_tasks_MP_Process_packet
|
* _RTEMS_tasks_MP_Process_packet
|
*
|
*
|
*/
|
*/
|
|
|
void _RTEMS_tasks_MP_Process_packet (
|
void _RTEMS_tasks_MP_Process_packet (
|
rtems_packet_prefix *the_packet_prefix
|
rtems_packet_prefix *the_packet_prefix
|
)
|
)
|
{
|
{
|
RTEMS_tasks_MP_Packet *the_packet;
|
RTEMS_tasks_MP_Packet *the_packet;
|
Thread_Control *the_thread;
|
Thread_Control *the_thread;
|
boolean ignored;
|
boolean ignored;
|
|
|
the_packet = (RTEMS_tasks_MP_Packet *) the_packet_prefix;
|
the_packet = (RTEMS_tasks_MP_Packet *) the_packet_prefix;
|
|
|
switch ( the_packet->operation ) {
|
switch ( the_packet->operation ) {
|
|
|
case RTEMS_TASKS_MP_ANNOUNCE_CREATE:
|
case RTEMS_TASKS_MP_ANNOUNCE_CREATE:
|
|
|
ignored = _Objects_MP_Allocate_and_open(
|
ignored = _Objects_MP_Allocate_and_open(
|
&_RTEMS_tasks_Information,
|
&_RTEMS_tasks_Information,
|
the_packet->name,
|
the_packet->name,
|
the_packet->Prefix.id,
|
the_packet->Prefix.id,
|
TRUE
|
TRUE
|
);
|
);
|
|
|
_MPCI_Return_packet( the_packet_prefix );
|
_MPCI_Return_packet( the_packet_prefix );
|
break;
|
break;
|
|
|
case RTEMS_TASKS_MP_ANNOUNCE_DELETE:
|
case RTEMS_TASKS_MP_ANNOUNCE_DELETE:
|
|
|
_Objects_MP_Close( &_RTEMS_tasks_Information, the_packet->Prefix.id );
|
_Objects_MP_Close( &_RTEMS_tasks_Information, the_packet->Prefix.id );
|
|
|
_MPCI_Return_packet( the_packet_prefix );
|
_MPCI_Return_packet( the_packet_prefix );
|
break;
|
break;
|
|
|
case RTEMS_TASKS_MP_SUSPEND_REQUEST:
|
case RTEMS_TASKS_MP_SUSPEND_REQUEST:
|
|
|
the_packet->Prefix.return_code = rtems_task_suspend(
|
the_packet->Prefix.return_code = rtems_task_suspend(
|
the_packet->Prefix.id
|
the_packet->Prefix.id
|
);
|
);
|
|
|
_RTEMS_tasks_MP_Send_response_packet(
|
_RTEMS_tasks_MP_Send_response_packet(
|
RTEMS_TASKS_MP_SUSPEND_RESPONSE,
|
RTEMS_TASKS_MP_SUSPEND_RESPONSE,
|
_Thread_Executing
|
_Thread_Executing
|
);
|
);
|
break;
|
break;
|
|
|
case RTEMS_TASKS_MP_SUSPEND_RESPONSE:
|
case RTEMS_TASKS_MP_SUSPEND_RESPONSE:
|
case RTEMS_TASKS_MP_RESUME_RESPONSE:
|
case RTEMS_TASKS_MP_RESUME_RESPONSE:
|
case RTEMS_TASKS_MP_SET_NOTE_RESPONSE:
|
case RTEMS_TASKS_MP_SET_NOTE_RESPONSE:
|
|
|
the_thread = _MPCI_Process_response( the_packet_prefix );
|
the_thread = _MPCI_Process_response( the_packet_prefix );
|
|
|
_MPCI_Return_packet( the_packet_prefix );
|
_MPCI_Return_packet( the_packet_prefix );
|
break;
|
break;
|
|
|
case RTEMS_TASKS_MP_RESUME_REQUEST:
|
case RTEMS_TASKS_MP_RESUME_REQUEST:
|
|
|
the_packet->Prefix.return_code = rtems_task_resume(
|
the_packet->Prefix.return_code = rtems_task_resume(
|
the_packet->Prefix.id
|
the_packet->Prefix.id
|
);
|
);
|
|
|
_RTEMS_tasks_MP_Send_response_packet(
|
_RTEMS_tasks_MP_Send_response_packet(
|
RTEMS_TASKS_MP_RESUME_RESPONSE,
|
RTEMS_TASKS_MP_RESUME_RESPONSE,
|
_Thread_Executing
|
_Thread_Executing
|
);
|
);
|
break;
|
break;
|
|
|
case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST:
|
case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST:
|
|
|
the_packet->Prefix.return_code = rtems_task_set_priority(
|
the_packet->Prefix.return_code = rtems_task_set_priority(
|
the_packet->Prefix.id,
|
the_packet->Prefix.id,
|
the_packet->the_priority,
|
the_packet->the_priority,
|
&the_packet->the_priority
|
&the_packet->the_priority
|
);
|
);
|
|
|
_RTEMS_tasks_MP_Send_response_packet(
|
_RTEMS_tasks_MP_Send_response_packet(
|
RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE,
|
RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE,
|
_Thread_Executing
|
_Thread_Executing
|
);
|
);
|
break;
|
break;
|
|
|
case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE:
|
case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE:
|
|
|
the_thread = _MPCI_Process_response( the_packet_prefix );
|
the_thread = _MPCI_Process_response( the_packet_prefix );
|
|
|
*(rtems_task_priority *)the_thread->Wait.return_argument =
|
*(rtems_task_priority *)the_thread->Wait.return_argument =
|
the_packet->the_priority;
|
the_packet->the_priority;
|
|
|
_MPCI_Return_packet( the_packet_prefix );
|
_MPCI_Return_packet( the_packet_prefix );
|
break;
|
break;
|
|
|
case RTEMS_TASKS_MP_GET_NOTE_REQUEST:
|
case RTEMS_TASKS_MP_GET_NOTE_REQUEST:
|
|
|
the_packet->Prefix.return_code = rtems_task_get_note(
|
the_packet->Prefix.return_code = rtems_task_get_note(
|
the_packet->Prefix.id,
|
the_packet->Prefix.id,
|
the_packet->notepad,
|
the_packet->notepad,
|
&the_packet->note
|
&the_packet->note
|
);
|
);
|
|
|
_RTEMS_tasks_MP_Send_response_packet(
|
_RTEMS_tasks_MP_Send_response_packet(
|
RTEMS_TASKS_MP_GET_NOTE_RESPONSE,
|
RTEMS_TASKS_MP_GET_NOTE_RESPONSE,
|
_Thread_Executing
|
_Thread_Executing
|
);
|
);
|
break;
|
break;
|
|
|
case RTEMS_TASKS_MP_GET_NOTE_RESPONSE:
|
case RTEMS_TASKS_MP_GET_NOTE_RESPONSE:
|
|
|
the_thread = _MPCI_Process_response( the_packet_prefix );
|
the_thread = _MPCI_Process_response( the_packet_prefix );
|
|
|
*(unsigned32 *)the_thread->Wait.return_argument = the_packet->note;
|
*(unsigned32 *)the_thread->Wait.return_argument = the_packet->note;
|
|
|
_MPCI_Return_packet( the_packet_prefix );
|
_MPCI_Return_packet( the_packet_prefix );
|
break;
|
break;
|
|
|
case RTEMS_TASKS_MP_SET_NOTE_REQUEST:
|
case RTEMS_TASKS_MP_SET_NOTE_REQUEST:
|
|
|
the_packet->Prefix.return_code = rtems_task_set_note(
|
the_packet->Prefix.return_code = rtems_task_set_note(
|
the_packet->Prefix.id,
|
the_packet->Prefix.id,
|
the_packet->notepad,
|
the_packet->notepad,
|
the_packet->note
|
the_packet->note
|
);
|
);
|
|
|
_RTEMS_tasks_MP_Send_response_packet(
|
_RTEMS_tasks_MP_Send_response_packet(
|
RTEMS_TASKS_MP_SET_NOTE_RESPONSE,
|
RTEMS_TASKS_MP_SET_NOTE_RESPONSE,
|
_Thread_Executing
|
_Thread_Executing
|
);
|
);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
/*PAGE
|
/*PAGE
|
*
|
*
|
* _RTEMS_tasks_MP_Send_object_was_deleted
|
* _RTEMS_tasks_MP_Send_object_was_deleted
|
*
|
*
|
* This routine is not neededby the Tasks since a task
|
* This routine is not neededby the Tasks since a task
|
* cannot be globally deleted.
|
* cannot be globally deleted.
|
*
|
*
|
*/
|
*/
|
|
|
/*PAGE
|
/*PAGE
|
*
|
*
|
* _RTEMS_tasks_MP_Send_extract_proxy
|
* _RTEMS_tasks_MP_Send_extract_proxy
|
*
|
*
|
* This routine is not neededby the Tasks since a task
|
* This routine is not neededby the Tasks since a task
|
* cannot be globally deleted.
|
* cannot be globally deleted.
|
*
|
*
|
*/
|
*/
|
|
|
/*PAGE
|
/*PAGE
|
*
|
*
|
* _RTEMS_tasks_MP_Get_packet
|
* _RTEMS_tasks_MP_Get_packet
|
*
|
*
|
*/
|
*/
|
|
|
RTEMS_tasks_MP_Packet *_RTEMS_tasks_MP_Get_packet ( void )
|
RTEMS_tasks_MP_Packet *_RTEMS_tasks_MP_Get_packet ( void )
|
{
|
{
|
return (RTEMS_tasks_MP_Packet *) _MPCI_Get_packet();
|
return (RTEMS_tasks_MP_Packet *) _MPCI_Get_packet();
|
}
|
}
|
|
|
/* end of file */
|
/* end of file */
|
|
|