/*
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/*
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* Multiprocessing Support for the Region Manager
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* Multiprocessing Support for the Region Manager
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*
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*
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*
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*
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* COPYRIGHT (c) 1989-1999.
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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* On-Line Applications Research Corporation (OAR).
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*
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*
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* The license and distribution terms for this file may be
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* The license and distribution terms for this file may be
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* 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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*
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*
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* regionmp.c,v 1.12 1999/11/17 17:50:27 joel Exp
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* regionmp.c,v 1.12 1999/11/17 17:50:27 joel Exp
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*/
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*/
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#include <rtems/system.h>
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#include <rtems/system.h>
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#include <rtems/rtems/status.h>
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#include <rtems/rtems/status.h>
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#include <rtems/score/mpci.h>
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#include <rtems/score/mpci.h>
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#include <rtems/score/mppkt.h>
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#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/region.h>
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#include <rtems/rtems/region.h>
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#include <rtems/score/thread.h>
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#include <rtems/score/thread.h>
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#include <rtems/rtems/support.h>
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#include <rtems/rtems/support.h>
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/*PAGE
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/*PAGE
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*
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*
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* _Region_MP_Send_process_packet
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* _Region_MP_Send_process_packet
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*
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*
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*/
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*/
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void _Region_MP_Send_process_packet (
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void _Region_MP_Send_process_packet (
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Region_MP_Remote_operations operation,
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Region_MP_Remote_operations operation,
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Objects_Id region_id,
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Objects_Id region_id,
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rtems_name name,
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rtems_name name,
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Objects_Id proxy_id
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Objects_Id proxy_id
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)
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)
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{
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{
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Region_MP_Packet *the_packet;
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Region_MP_Packet *the_packet;
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unsigned32 node;
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unsigned32 node;
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switch ( operation ) {
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switch ( operation ) {
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case REGION_MP_ANNOUNCE_CREATE:
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case REGION_MP_ANNOUNCE_CREATE:
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case REGION_MP_ANNOUNCE_DELETE:
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case REGION_MP_ANNOUNCE_DELETE:
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case REGION_MP_EXTRACT_PROXY:
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case REGION_MP_EXTRACT_PROXY:
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the_packet = _Region_MP_Get_packet();
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the_packet = _Region_MP_Get_packet();
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the_packet->Prefix.the_class = MP_PACKET_REGION;
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the_packet->Prefix.the_class = MP_PACKET_REGION;
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the_packet->Prefix.length = sizeof ( Region_MP_Packet );
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the_packet->Prefix.length = sizeof ( Region_MP_Packet );
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the_packet->Prefix.to_convert = sizeof ( Region_MP_Packet );
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the_packet->Prefix.to_convert = sizeof ( Region_MP_Packet );
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the_packet->operation = operation;
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the_packet->operation = operation;
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the_packet->Prefix.id = region_id;
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the_packet->Prefix.id = region_id;
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the_packet->name = name;
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the_packet->name = name;
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the_packet->proxy_id = proxy_id;
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the_packet->proxy_id = proxy_id;
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if ( operation == REGION_MP_EXTRACT_PROXY )
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if ( operation == REGION_MP_EXTRACT_PROXY )
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node = rtems_get_node( region_id );
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node = rtems_get_node( region_id );
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else
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else
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node = MPCI_ALL_NODES;
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node = MPCI_ALL_NODES;
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_MPCI_Send_process_packet( node, &the_packet->Prefix );
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_MPCI_Send_process_packet( node, &the_packet->Prefix );
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break;
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break;
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case REGION_MP_GET_SEGMENT_REQUEST:
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case REGION_MP_GET_SEGMENT_REQUEST:
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case REGION_MP_GET_SEGMENT_RESPONSE:
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case REGION_MP_GET_SEGMENT_RESPONSE:
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case REGION_MP_RETURN_SEGMENT_REQUEST:
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case REGION_MP_RETURN_SEGMENT_REQUEST:
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case REGION_MP_RETURN_SEGMENT_RESPONSE:
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case REGION_MP_RETURN_SEGMENT_RESPONSE:
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break;
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break;
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}
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}
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}
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}
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/*PAGE
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/*PAGE
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*
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*
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* _Region_MP_Send_request_packet
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* _Region_MP_Send_request_packet
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*
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*
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*/
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*/
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rtems_status_code _Region_MP_Send_request_packet (
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rtems_status_code _Region_MP_Send_request_packet (
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Region_MP_Remote_operations operation,
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Region_MP_Remote_operations operation,
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Objects_Id region_id,
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Objects_Id region_id,
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void *segment,
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void *segment,
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unsigned32 size,
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unsigned32 size,
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rtems_option option_set,
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rtems_option option_set,
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rtems_interval timeout
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rtems_interval timeout
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)
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)
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{
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{
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Region_MP_Packet *the_packet;
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Region_MP_Packet *the_packet;
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switch ( operation ) {
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switch ( operation ) {
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case REGION_MP_GET_SEGMENT_REQUEST:
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case REGION_MP_GET_SEGMENT_REQUEST:
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case REGION_MP_RETURN_SEGMENT_REQUEST:
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case REGION_MP_RETURN_SEGMENT_REQUEST:
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the_packet = _Region_MP_Get_packet();
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the_packet = _Region_MP_Get_packet();
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the_packet->Prefix.the_class = MP_PACKET_REGION;
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the_packet->Prefix.the_class = MP_PACKET_REGION;
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the_packet->Prefix.length = sizeof ( Region_MP_Packet );
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the_packet->Prefix.length = sizeof ( Region_MP_Packet );
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the_packet->Prefix.to_convert = sizeof ( Region_MP_Packet );
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the_packet->Prefix.to_convert = sizeof ( Region_MP_Packet );
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if ( ! _Options_Is_no_wait(option_set))
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if ( ! _Options_Is_no_wait(option_set))
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the_packet->Prefix.timeout = timeout;
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the_packet->Prefix.timeout = timeout;
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the_packet->operation = operation;
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the_packet->operation = operation;
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the_packet->Prefix.id = region_id;
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the_packet->Prefix.id = region_id;
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the_packet->segment = segment;
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the_packet->segment = segment;
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the_packet->size = size;
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the_packet->size = size;
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the_packet->option_set = option_set;
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the_packet->option_set = option_set;
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return (rtems_status_code) _MPCI_Send_request_packet(
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return (rtems_status_code) _MPCI_Send_request_packet(
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rtems_get_node( region_id ),
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rtems_get_node( region_id ),
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&the_packet->Prefix,
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&the_packet->Prefix,
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STATES_READY /* Not used */
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STATES_READY /* Not used */
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);
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);
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break;
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break;
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case REGION_MP_ANNOUNCE_CREATE:
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case REGION_MP_ANNOUNCE_CREATE:
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case REGION_MP_ANNOUNCE_DELETE:
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case REGION_MP_ANNOUNCE_DELETE:
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case REGION_MP_EXTRACT_PROXY:
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case REGION_MP_EXTRACT_PROXY:
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case REGION_MP_GET_SEGMENT_RESPONSE:
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case REGION_MP_GET_SEGMENT_RESPONSE:
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case REGION_MP_RETURN_SEGMENT_RESPONSE:
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case REGION_MP_RETURN_SEGMENT_RESPONSE:
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break;
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break;
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}
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}
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/*
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/*
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* The following line is included to satisfy compilers which
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* The following line is included to satisfy compilers which
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* produce warnings when a function does not end with a return.
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* produce warnings when a function does not end with a return.
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*/
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*/
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return RTEMS_INTERNAL_ERROR;
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return RTEMS_INTERNAL_ERROR;
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}
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}
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/*PAGE
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/*PAGE
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*
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*
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* _Region_MP_Send_response_packet
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* _Region_MP_Send_response_packet
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*
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*
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*/
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*/
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void _Region_MP_Send_response_packet (
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void _Region_MP_Send_response_packet (
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Region_MP_Remote_operations operation,
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Region_MP_Remote_operations operation,
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Objects_Id region_id,
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Objects_Id region_id,
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Thread_Control *the_thread
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Thread_Control *the_thread
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)
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)
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{
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{
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Region_MP_Packet *the_packet;
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Region_MP_Packet *the_packet;
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switch ( operation ) {
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switch ( operation ) {
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case REGION_MP_GET_SEGMENT_RESPONSE:
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case REGION_MP_GET_SEGMENT_RESPONSE:
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case REGION_MP_RETURN_SEGMENT_RESPONSE:
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case REGION_MP_RETURN_SEGMENT_RESPONSE:
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the_packet = ( Region_MP_Packet *) the_thread->receive_packet;
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the_packet = ( Region_MP_Packet *) the_thread->receive_packet;
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/*
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/*
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* The packet being returned already contains the class, length, and
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* The packet being returned already contains the class, length, and
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* to_convert fields, therefore they are not set in this routine.
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* to_convert fields, therefore they are not set in this routine.
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*/
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*/
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the_packet->operation = operation;
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the_packet->operation = operation;
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the_packet->Prefix.id = the_packet->Prefix.source_tid;
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the_packet->Prefix.id = the_packet->Prefix.source_tid;
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_MPCI_Send_response_packet(
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_MPCI_Send_response_packet(
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rtems_get_node( the_packet->Prefix.source_tid ),
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rtems_get_node( the_packet->Prefix.source_tid ),
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&the_packet->Prefix
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&the_packet->Prefix
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);
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);
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break;
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break;
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case REGION_MP_ANNOUNCE_CREATE:
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case REGION_MP_ANNOUNCE_CREATE:
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case REGION_MP_ANNOUNCE_DELETE:
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case REGION_MP_ANNOUNCE_DELETE:
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case REGION_MP_EXTRACT_PROXY:
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case REGION_MP_EXTRACT_PROXY:
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case REGION_MP_GET_SEGMENT_REQUEST:
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case REGION_MP_GET_SEGMENT_REQUEST:
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case REGION_MP_RETURN_SEGMENT_REQUEST:
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case REGION_MP_RETURN_SEGMENT_REQUEST:
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break;
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break;
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}
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}
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}
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}
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/*PAGE
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/*PAGE
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*
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*
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*
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*
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* _Region_MP_Process_packet
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* _Region_MP_Process_packet
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*
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*
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*/
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*/
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void _Region_MP_Process_packet (
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void _Region_MP_Process_packet (
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rtems_packet_prefix *the_packet_prefix
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rtems_packet_prefix *the_packet_prefix
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)
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)
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{
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{
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Region_MP_Packet *the_packet;
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Region_MP_Packet *the_packet;
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Thread_Control *the_thread;
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Thread_Control *the_thread;
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boolean ignored;
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boolean ignored;
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the_packet = (Region_MP_Packet *) the_packet_prefix;
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the_packet = (Region_MP_Packet *) the_packet_prefix;
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switch ( the_packet->operation ) {
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switch ( the_packet->operation ) {
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case REGION_MP_ANNOUNCE_CREATE:
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case REGION_MP_ANNOUNCE_CREATE:
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ignored = _Objects_MP_Allocate_and_open(
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ignored = _Objects_MP_Allocate_and_open(
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&_Region_Information,
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&_Region_Information,
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the_packet->name,
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the_packet->name,
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the_packet->Prefix.id,
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the_packet->Prefix.id,
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TRUE
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TRUE
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);
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);
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_MPCI_Return_packet( the_packet_prefix );
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_MPCI_Return_packet( the_packet_prefix );
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break;
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break;
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case REGION_MP_ANNOUNCE_DELETE:
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case REGION_MP_ANNOUNCE_DELETE:
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_Objects_MP_Close( &_Region_Information, the_packet->Prefix.id );
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_Objects_MP_Close( &_Region_Information, the_packet->Prefix.id );
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_MPCI_Return_packet( the_packet_prefix );
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_MPCI_Return_packet( the_packet_prefix );
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break;
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break;
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case REGION_MP_EXTRACT_PROXY:
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case REGION_MP_EXTRACT_PROXY:
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the_thread = _Thread_MP_Find_proxy( the_packet->proxy_id );
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the_thread = _Thread_MP_Find_proxy( the_packet->proxy_id );
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if ( ! _Thread_Is_null( the_thread ) )
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if ( ! _Thread_Is_null( the_thread ) )
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_Thread_queue_Extract( the_thread->Wait.queue, the_thread );
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_Thread_queue_Extract( the_thread->Wait.queue, the_thread );
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_MPCI_Return_packet( the_packet_prefix );
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_MPCI_Return_packet( the_packet_prefix );
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break;
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break;
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case REGION_MP_GET_SEGMENT_REQUEST:
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case REGION_MP_GET_SEGMENT_REQUEST:
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the_packet->Prefix.return_code = rtems_region_get_segment(
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the_packet->Prefix.return_code = rtems_region_get_segment(
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the_packet->Prefix.id,
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the_packet->Prefix.id,
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the_packet->size,
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the_packet->size,
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the_packet->option_set,
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the_packet->option_set,
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the_packet->Prefix.timeout,
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the_packet->Prefix.timeout,
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&the_packet->segment
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&the_packet->segment
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);
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);
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_Region_MP_Send_response_packet(
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_Region_MP_Send_response_packet(
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REGION_MP_GET_SEGMENT_RESPONSE,
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REGION_MP_GET_SEGMENT_RESPONSE,
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the_packet->Prefix.id,
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the_packet->Prefix.id,
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_Thread_Executing
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_Thread_Executing
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);
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);
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break;
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break;
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case REGION_MP_GET_SEGMENT_RESPONSE:
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case REGION_MP_GET_SEGMENT_RESPONSE:
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|
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the_thread = _MPCI_Process_response( the_packet_prefix );
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the_thread = _MPCI_Process_response( the_packet_prefix );
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*(void **)the_thread->Wait.return_argument = the_packet->segment;
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*(void **)the_thread->Wait.return_argument = the_packet->segment;
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_MPCI_Return_packet( the_packet_prefix );
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_MPCI_Return_packet( the_packet_prefix );
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break;
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break;
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|
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case REGION_MP_RETURN_SEGMENT_REQUEST:
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case REGION_MP_RETURN_SEGMENT_REQUEST:
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the_packet->Prefix.return_code = rtems_region_return_segment(
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the_packet->Prefix.return_code = rtems_region_return_segment(
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the_packet->Prefix.id,
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the_packet->Prefix.id,
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the_packet->segment
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the_packet->segment
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);
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);
|
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_Region_MP_Send_response_packet(
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_Region_MP_Send_response_packet(
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REGION_MP_RETURN_SEGMENT_RESPONSE,
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REGION_MP_RETURN_SEGMENT_RESPONSE,
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the_packet->Prefix.id,
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the_packet->Prefix.id,
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_Thread_Executing
|
_Thread_Executing
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);
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);
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break;
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break;
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case REGION_MP_RETURN_SEGMENT_RESPONSE:
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case REGION_MP_RETURN_SEGMENT_RESPONSE:
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|
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the_thread = _MPCI_Process_response( the_packet_prefix );
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the_thread = _MPCI_Process_response( the_packet_prefix );
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|
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_MPCI_Return_packet( the_packet_prefix );
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_MPCI_Return_packet( the_packet_prefix );
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break;
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break;
|
|
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}
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}
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}
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}
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|
|
/*PAGE
|
/*PAGE
|
*
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*
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* _Region_MP_Send_object_was_deleted
|
* _Region_MP_Send_object_was_deleted
|
*
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*
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* This routine is not needed by the Region since a region
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* This routine is not needed by the Region since a region
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* cannot be deleted when segments are in use.
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* cannot be deleted when segments are in use.
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*
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*
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*/
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*/
|
|
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/*PAGE
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/*PAGE
|
*
|
*
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* _Region_MP_Send_extract_proxy
|
* _Region_MP_Send_extract_proxy
|
*
|
*
|
*/
|
*/
|
|
|
void _Region_MP_Send_extract_proxy (
|
void _Region_MP_Send_extract_proxy (
|
Thread_Control *the_thread
|
Thread_Control *the_thread
|
)
|
)
|
{
|
{
|
_Region_MP_Send_process_packet(
|
_Region_MP_Send_process_packet(
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REGION_MP_EXTRACT_PROXY,
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REGION_MP_EXTRACT_PROXY,
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the_thread->Wait.id,
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the_thread->Wait.id,
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(rtems_name) 0,
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(rtems_name) 0,
|
the_thread->Object.id
|
the_thread->Object.id
|
);
|
);
|
}
|
}
|
|
|
/*PAGE
|
/*PAGE
|
*
|
*
|
* _Region_MP_Get_packet
|
* _Region_MP_Get_packet
|
*
|
*
|
*/
|
*/
|
|
|
Region_MP_Packet *_Region_MP_Get_packet ( void )
|
Region_MP_Packet *_Region_MP_Get_packet ( void )
|
{
|
{
|
return ( (Region_MP_Packet *) _MPCI_Get_packet() );
|
return ( (Region_MP_Packet *) _MPCI_Get_packet() );
|
}
|
}
|
|
|
/* end of file */
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/* end of file */
|
|
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