164 lines
3.7 KiB
C++
164 lines
3.7 KiB
C++
/* Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
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#ifndef DIH_SCAN_TAB_HPP
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#define DIH_SCAN_TAB_HPP
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#include "SignalData.hpp"
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#define JAM_FILE_ID 108
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/**
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* DihScanTabReq
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*/
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struct DihScanTabReq
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{
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STATIC_CONST( SignalLength = 4 );
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STATIC_CONST( RetryInterval = 5 );
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Uint32 tableId;
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Uint32 senderData;
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Uint32 senderRef;
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Uint32 schemaTransId;
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};
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/**
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* DihScanTabConf
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*/
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struct DihScanTabConf
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{
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STATIC_CONST( SignalLength = 6 );
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STATIC_CONST( InvalidCookie = RNIL );
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Uint32 tableId;
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Uint32 senderData;
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Uint32 fragmentCount;
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Uint32 noOfBackups;
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Uint32 scanCookie;
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Uint32 reorgFlag;
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};
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struct DihScanGetNodesReq
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{
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STATIC_CONST( FixedSignalLength = 4 );
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STATIC_CONST( MAX_DIH_FRAG_REQS = 64); // Max #FragItem in REQ/CONF
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Uint32 tableId;
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Uint32 senderRef;
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Uint32 scanCookie;
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Uint32 fragCnt;
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struct FragItem
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{
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STATIC_CONST( Length = 2 );
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Uint32 senderData;
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Uint32 fragId;
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};
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/**
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* DihScanGetNodesReq request information about specific fragments.
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* - These are either specified in a seperate section (long request)
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* containing multiple FragItems.
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* - Or directly in a single fragItem[] below (short signal) if it
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* contain only a single FragItem.
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*/
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FragItem fragItem[1];
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};
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struct DihScanGetNodesConf
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{
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STATIC_CONST( FixedSignalLength = 2 );
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Uint32 tableId;
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Uint32 fragCnt;
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struct FragItem
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{
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STATIC_CONST( Length = 8 );
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Uint32 senderData;
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Uint32 fragId;
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Uint32 instanceKey;
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Uint32 count;
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Uint32 nodes[4];
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};
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/**
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* DihScanGetNodesConf supply information about specific fragments.
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* - These are either specified in a seperate section (long request)
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* containing multiple FragItems.
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* - Or directly in a single fragItem[] below (short signal) if it
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* contain only a single FragItem.
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* Type of long/short Conf-reply will always be the same as the REQuest
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*/
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FragItem fragItem[1];
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};
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struct DihScanGetNodesRef
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{
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STATIC_CONST( FixedSignalLength = 3 );
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Uint32 tableId;
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Uint32 fragCnt;
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Uint32 errCode;
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/**
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* DihScanGetNodesRef signals failure of a DihScanGetNodesReq.
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* As this is likely due to a sectioned memory alloc failure,
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* we avoid further alloc problems by returning the same FragItem[]
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* list as in the DihScanGetNodesReq.
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*
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* Depending on 'fragCnt', the fragItem[] is either:
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* - These are either specified in a seperate section (long request)
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* containing multiple FragItems.
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* - Or directly in a single fragItem[] below (short signal) if it
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* contain only a single FragItem.
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*/
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typedef DihScanGetNodesReq::FragItem FragItem; // Reused, see above
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FragItem fragItem[1];
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};
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/**
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* DihScanTabRef
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*/
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struct DihScanTabRef
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{
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enum ErrorCode {
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ErroneousState = 0,
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ErroneousTableState = 1
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};
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STATIC_CONST( SignalLength = 5 );
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Uint32 tableId;
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Uint32 senderData;
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Uint32 error;
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Uint32 tableStatus; // Dbdih::TabRecord::tabStatus
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Uint32 schemaTransId;
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};
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struct DihScanTabCompleteRep
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{
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STATIC_CONST( SignalLength = 2 );
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Uint32 tableId;
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Uint32 scanCookie;
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};
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#undef JAM_FILE_ID
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#endif
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