2015-10-17 12:01:46 +02:00
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/*
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* Copyright 2015 Stefan Lankes, RWTH Aachen University
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* All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2 (https://www.gnu.org/licenses/gpl-2.0.txt)
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* or the BSD license below:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __RCCE_H__
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#define __RCCE_H__
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#include <hermit/stddef.h>
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#include <hermit/islelock.h>
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#define RCCE_MAXNP 8
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2015-10-19 23:27:24 +02:00
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#define RCCE_MPB_SIZE (64*1024)
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2015-10-17 12:01:46 +02:00
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typedef struct tas {
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2015-10-18 10:21:53 +02:00
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volatile unsigned char reg;
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2015-10-17 12:01:46 +02:00
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unsigned char reserved[CACHE_LINE-1];
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} tas_t __attribute__ ((aligned (CACHE_LINE)));
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typedef struct rcce_mpb {
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int id; // session id;
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2015-10-18 10:21:53 +02:00
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volatile size_t mpb[MAX_ISLE];
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2015-10-17 12:01:46 +02:00
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} rcce_mpb_t;
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#define MAX_RCCE_SESSIONS ((PAGE_SIZE - CACHE_LINE*(RCCE_MAXNP+1)) / sizeof(rcce_mpb_t))
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extern islelock_t* rcce_lock;
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extern rcce_mpb_t* rcce_mpb;
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extern uint64_t phy_rcce_internals;
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#endif
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