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Transaction.h
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Transaction.h
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/*********************************************************************************
* Copyright (c) 2010-2011,
* Jim Stevens, Paul Tschirhart, Ishwar Singh Bhati, Mu-Tien Chang, Peter Enns,
* Elliott Cooper-Balis, Paul Rosenfeld, Bruce Jacob
* University of Maryland
* Contact: jims [at] cs [dot] umd [dot] edu
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*********************************************************************************/
#ifndef PCI_SSD_TRANSACTION_H
#define PCI_SSD_TRANSACTION_H
#include <stdint.h>
namespace PCISSD
{
class Transaction
{
public:
bool isWrite;
uint64_t addr;
uint64_t orig_addr;
int num_sectors;
list<uint64_t> dma_sg_base; // scatter gather list
list<uint64_t> dma_sg_len;
Transaction() {}
Transaction(bool w, uint64_t a, uint64_t o, int n, list<uint64_t> b, list<uint64_t> l)
//Transaction(bool w, uint64_t a, uint64_t o, int n)
{
isWrite = w;
addr = a;
orig_addr = o;
num_sectors = n;
dma_sg_base = b;
dma_sg_len = l;
}
};
enum TransactionEventType
{
LAYER1_SEND_EVENT,
LAYER1_RETURN_EVENT,
LAYER2_SEND_EVENT,
LAYER2_RETURN_EVENT
};
class TransactionEvent
{
public:
TransactionEventType type;
Transaction trans;
uint64_t expire_time;
TransactionEvent() {}
TransactionEvent(TransactionEventType ty, Transaction tr, uint64_t e)
{
type = ty;
trans = tr;
expire_time = e;
}
bool operator< (TransactionEvent &e)
{
return this->expire_time < e.expire_time;
}
};
}
#endif