metalsvm/arch/x86/include/asm/iRCCE_lib.h
2011-08-02 15:58:20 +02:00

56 lines
2 KiB
C

//
// Copyright 2010 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// [2010-10-25] added support for non-blocking send/recv operations
// - iRCCE_isend(), ..._test(), ..._wait(), ..._push()
// - iRCCE_irecv(), ..._test(), ..._wait(), ..._push()
// by Carsten Clauss, Chair for Operating Systems,
// RWTH Aachen University
//
// [2010-11-12] extracted non-blocking code into separate library
// by Carsten Scholtes
//
#ifndef IRCCE_LIB_H
#define IRCCE_LIB_H
#include <asm/iRCCE.h>
#include <asm/RCCE_lib.h>
extern iRCCE_SEND_REQUEST* iRCCE_isend_queue;
extern iRCCE_RECV_REQUEST* iRCCE_irecv_queue[RCCE_MAXNP];
extern iRCCE_RECV_REQUEST* iRCCE_irecv_any_source_queue;
// pointer to MPB-mailbox-space
extern volatile iRCCE_MAIL_HEADER* iRCCE_mailbox_send[RCCE_MAXNP];
extern volatile iRCCE_MAIL_HEADER* iRCCE_mailbox_recv[RCCE_MAXNP];
// queue for received headers
extern iRCCE_MAIL_HEADER* iRCCE_mailbox_recv_queue[iRCCE_PRIOS];
// flags for last mail
extern iRCCE_SHORT_FLAG iRCCE_last_mail[RCCE_MAXNP];
// field to store open/closed status of mailboxes
extern iRCCE_SHORT_FLAG iRCCE_mailbox_status[RCCE_MAXNP];
// garbage collection for mailbox
extern iRCCE_MAIL_TRASH_BIN iRCCE_mail_garbage;
#ifdef _OPENMP
#pragma omp threadprivate (iRCCE_isend_queue, iRCCE_irecv_queue)
#endif
int iRCCE_test_flag(RCCE_FLAG, RCCE_FLAG_STATUS, int *);
#endif