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/*
* Copyright (c) 2013, 2018-2019 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* 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;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* 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
* OWNER 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 __DEV_ARM_SMMU_V3_PORTS_HH__
#define __DEV_ARM_SMMU_V3_PORTS_HH__
#include "mem/qport.hh"
#include "mem/tport.hh"
class SMMUv3;
class SMMUv3DeviceInterface;
class SMMURequestPort : public RequestPort
{
protected:
SMMUv3 &smmu;
virtual bool recvTimingResp(PacketPtr pkt);
virtual void recvReqRetry();
public:
SMMURequestPort(const std::string &_name, SMMUv3 &_smmu);
virtual ~SMMURequestPort() {}
};
// Separate request port to send MMU initiated requests on
class SMMUTableWalkPort : public RequestPort
{
protected:
SMMUv3 &smmu;
virtual bool recvTimingResp(PacketPtr pkt);
virtual void recvReqRetry();
public:
SMMUTableWalkPort(const std::string &_name, SMMUv3 &_smmu);
virtual ~SMMUTableWalkPort() {}
};
class SMMUDevicePort : public QueuedResponsePort
{
protected:
SMMUv3DeviceInterface &ifc;
RespPacketQueue respQueue;
virtual void recvFunctional(PacketPtr pkt);
virtual Tick recvAtomic(PacketPtr pkt);
virtual bool recvTimingReq(PacketPtr pkt);
public:
SMMUDevicePort(const std::string &_name,
SMMUv3DeviceInterface &_ifc,
PortID _id = InvalidPortID);
virtual ~SMMUDevicePort() {}
virtual AddrRangeList getAddrRanges() const
{ return AddrRangeList { AddrRange(0, UINT64_MAX) }; }
};
class SMMUControlPort : public SimpleTimingPort
{
protected:
SMMUv3 &smmu;
AddrRange addrRange;
virtual Tick recvAtomic(PacketPtr pkt);
virtual AddrRangeList getAddrRanges() const;
public:
SMMUControlPort(const std::string &_name, SMMUv3 &_smmu,
AddrRange _addrRange);
virtual ~SMMUControlPort() {}
};
class SMMUATSMemoryPort : public QueuedRequestPort
{
protected:
SMMUv3DeviceInterface &ifc;
ReqPacketQueue reqQueue;
SnoopRespPacketQueue snoopRespQueue;
virtual bool recvTimingResp(PacketPtr pkt);
public:
SMMUATSMemoryPort(const std::string &_name, SMMUv3DeviceInterface &_ifc);
virtual ~SMMUATSMemoryPort() {}
};
class SMMUATSDevicePort : public QueuedResponsePort
{
protected:
SMMUv3DeviceInterface &ifc;
RespPacketQueue respQueue;
virtual void recvFunctional(PacketPtr pkt);
virtual Tick recvAtomic(PacketPtr pkt);
virtual bool recvTimingReq(PacketPtr pkt);
virtual AddrRangeList getAddrRanges() const
{ return AddrRangeList(); }
public:
SMMUATSDevicePort(const std::string &_name, SMMUv3DeviceInterface &_ifc);
virtual ~SMMUATSDevicePort() {}
};
#endif /* __DEV_ARM_SMMU_V3_PORTS_HH__ */