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/* mpci.h
*
* This include file contains all the constants and structures associated
* with the MPCI layer. It provides mechanisms to utilize packets.
*
* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
* On-Line Applications Research Corporation (OAR).
* All rights assigned to U.S. Government, 1994.
*
* This material may be reproduced by or for the U.S. Government pursuant
* to the copyright license under the clause at DFARS 252.227-7013. This
* notice must appear in all copies of this file and its derivatives.
*
* $Id$
*/
#ifndef __RTEMS_MPCI_h
#define __RTEMS_MPCI_h
#ifdef __cplusplus
extern "C" {
#endif
#include <rtems/mppkt.h>
#include <rtems/states.h>
#include <rtems/status.h>
#include <rtems/thread.h>
#include <rtems/threadq.h>
#include <rtems/tqdata.h>
#include <rtems/watchdog.h>
/*
* The following defines the node number used when a broadcast is desired.
*/
#define MPCI_ALL_NODES 0
/*
* For packets associated with requests that don't already have a timeout,
* use the one specified by this MPCI driver. The value specified by
* the MPCI driver sets an upper limit on how long a remote request
* should take to complete.
*/
#define MPCI_DEFAULT_TIMEOUT 0xFFFFFFFF
/*
* _MPCI_Handler_initialization
*
* DESCRIPTION:
*
* This routine performs the initialization necessary for this handler.
*/
void _MPCI_Handler_initialization ( void );
/*
* _MPCI_Initialization
*
* DESCRIPTION:
*
* This routine initializes the MPCI driver by
* invoking the user provided MPCI initialization callout.
*/
void _MPCI_Initialization ( void );
/*
* _MPCI_Get_packet
*
* DESCRIPTION:
*
* This function obtains a packet by invoking the user provided
* MPCI get packet callout.
*/
rtems_packet_prefix *_MPCI_Get_packet ( void );
/*
* _MPCI_Return_packet
*
* DESCRIPTION:
*
* This routine returns a packet by invoking the user provided
* MPCI return packet callout.
*/
void _MPCI_Return_packet (
rtems_packet_prefix *the_packet
);
/*
* _MPCI_Send_process_packet
*
* DESCRIPTION:
*
* This routine sends a process packet by invoking the user provided
* MPCI send callout.
*/
void _MPCI_Send_process_packet (
unsigned32 destination,
rtems_packet_prefix *the_packet
);
/*
* _MPCI_Send_request_packet
*
* DESCRIPTION:
*
* This routine sends a request packet by invoking the user provided
* MPCI send callout.
*/
rtems_status_code _MPCI_Send_request_packet (
unsigned32 destination,
rtems_packet_prefix *the_packet,
States_Control extra_state
);
/*
* _MPCI_Send_response_packet
*
* DESCRIPTION:
*
* This routine sends a response packet by invoking the user provided
* MPCI send callout.
*/
void _MPCI_Send_response_packet (
unsigned32 destination,
rtems_packet_prefix *the_packet
);
/*
* _MPCI_Receive_packet
*
* DESCRIPTION:
*
* This routine receives a packet by invoking the user provided
* MPCI receive callout.
*/
rtems_packet_prefix *_MPCI_Receive_packet ( void );
/*
* _MPCI_Process_response
*
* DESCRIPTION:
*
* This routine obtains a packet by invoking the user provided
* MPCI get packet callout.
*/
Thread_Control *_MPCI_Process_response (
rtems_packet_prefix *the_packet
);
/*
* The following thread queue is used to maintain a list of tasks
* which currently have outstanding remote requests.
*/
EXTERN Thread_queue_Control _MPCI_Remote_blocked_threads;
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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