CuSidePort is the LDS Port closer to the CU side. More...

#include <lds_state.hh>

Inheritance diagram for gem5::LdsState::CuSidePort:

Public Member Functions
	CuSidePort (const std::string &_name, LdsState *_ownerLds)

Public Member Functions inherited from gem5::ResponsePort
	ResponsePort (const std::string &name, SimObject *_owner, PortID id=InvalidPortID)
	Response port.

	ResponsePort (const std::string &name, PortID id=InvalidPortID)

virtual	~ResponsePort ()

bool	isSnooping () const
	Find out if the peer request port is snooping or not.

void	sendRangeChange () const
	Called by the owner to send a range change.

void	unbind () override
	We let the request port do the work, so these don't do anything.

void	bind (Port &peer) override
	Attach to a peer port.

Tick	sendAtomicSnoop (PacketPtr pkt)
	Send an atomic snoop request packet, where the data is moved and the state is updated in zero time, without interleaving with other memory accesses.

void	sendFunctionalSnoop (PacketPtr pkt) const
	Send a functional snoop request packet, where the data is instantly updated everywhere in the memory system, without affecting the current state of any block or moving the block.

bool	sendTimingResp (PacketPtr pkt)
	Attempt to send a timing response to the request port by calling its corresponding receive function.

void	sendTimingSnoopReq (PacketPtr pkt)
	Attempt to send a timing snoop request packet to the request port by calling its corresponding receive function.

void	sendRetryReq ()
	Send a retry to the request port that previously attempted a sendTimingReq to this response port and failed.

void	sendRetrySnoopResp ()
	Send a retry to the request port that previously attempted a sendTimingSnoopResp to this response port and failed.

Public Member Functions inherited from gem5::Port
virtual	~Port ()
	Virtual destructor due to inheritance.

Port &	getPeer ()
	Return a reference to this port's peer.

const std::string	name () const
	Return port name (for DPRINTF).

PortID	getId () const
	Get the port id.

bool	isConnected () const
	Is this port currently connected to a peer?

void	takeOverFrom (Port *old)
	A utility function to make it easier to swap out ports.

Protected Member Functions
virtual bool	recvTimingReq (PacketPtr pkt)
	receive the packet from the CU

virtual Tick	recvAtomic (PacketPtr pkt)
	Receive an atomic request packet from the peer.

virtual void	recvFunctional (PacketPtr pkt)
	receive a packet in functional mode

virtual void	recvRangeChange ()

virtual void	recvRetry ()
	receive a retry

virtual void	recvRespRetry ()
	receive a retry for a response

virtual AddrRangeList	getAddrRanges () const
	Get a list of the non-overlapping address ranges the owner is responsible for.

template<typename T >
void	loadData (PacketPtr packet)

template<typename T >
void	storeData (PacketPtr packet)

template<typename T >
void	atomicOperation (PacketPtr packet)

Protected Member Functions inherited from gem5::ResponsePort
void	responderUnbind ()
	Called by the request port to unbind.

void	responderBind (RequestPort &request_port)
	Called by the request port to bind.

Tick	recvAtomicBackdoor (PacketPtr pkt, MemBackdoorPtr &backdoor) override
	Default implementations.

void	recvMemBackdoorReq (const MemBackdoorReq &req, MemBackdoorPtr &backdoor) override
	Receive a request for a back door to a range of memory.

bool	tryTiming (PacketPtr pkt) override
	Availability request from the peer.

bool	recvTimingSnoopResp (PacketPtr pkt) override
	Receive a timing snoop response from the peer.

Protected Member Functions inherited from gem5::Port
void	reportUnbound () const

	Port (const std::string &_name, PortID _id)
	Abstract base class for ports.

Protected Member Functions inherited from gem5::AtomicResponseProtocol
Tick	sendSnoop (AtomicRequestProtocol *peer, PacketPtr pkt)
	Send an atomic snoop request packet, where the data is moved and the state is updated in zero time, without interleaving with other memory accesses.

Protected Member Functions inherited from gem5::TimingResponseProtocol
bool	sendResp (TimingRequestProtocol *peer, PacketPtr pkt)
	Attempt to send a timing response to the peer by calling its corresponding receive function.

void	sendSnoopReq (TimingRequestProtocol *peer, PacketPtr pkt)
	Attempt to send a timing snoop request packet to the peer by calling its corresponding receive function.

void	sendRetryReq (TimingRequestProtocol *peer)
	Send a retry to the peer that previously attempted a sendTimingReq to this protocol and failed.

void	sendRetrySnoopResp (TimingRequestProtocol *peer)
	Send a retry to the peer that previously attempted a sendTimingSnoopResp to this peer and failed.

Protected Member Functions inherited from gem5::FunctionalResponseProtocol
void	sendSnoop (FunctionalRequestProtocol *peer, PacketPtr pkt) const
	Send a functional snoop request packet, where the data is instantly updated everywhere in the memory system, without affecting the current state of any block or moving the block.

Protected Attributes
LdsState *	ownerLds

Protected Attributes inherited from gem5::ResponsePort
SimObject &	owner

Protected Attributes inherited from gem5::Port
const PortID	id
	A numeric identifier to distinguish ports in a vector, and set to InvalidPortID in case this port is not part of a vector.

Port *	_peer
	A pointer to this port's peer.

bool	_connected
	Whether this port is currently connected to a peer port.

Detailed Description

CuSidePort is the LDS Port closer to the CU side.

Definition at line 229 of file lds_state.hh.

Constructor & Destructor Documentation

◆ CuSidePort()

gem5::LdsState::CuSidePort::CuSidePort	(	const std::string &	_name,
		LdsState *	_ownerLds )

inline

Definition at line 232 of file lds_state.hh.

Member Function Documentation

◆ atomicOperation()

template<typename T >

void gem5::LdsState::CuSidePort::atomicOperation ( PacketPtr packet )

protected

◆ getAddrRanges()

virtual AddrRangeList gem5::LdsState::CuSidePort::getAddrRanges ( ) const

inlineprotectedvirtual

Get a list of the non-overlapping address ranges the owner is responsible for.

All response ports must override this function and return a populated list with at least one item.

Returns: a list of ranges responded to

Implements gem5::ResponsePort.

Definition at line 264 of file lds_state.hh.

References gem5::LdsState::getAddrRange(), and ownerLds.

◆ loadData()

template<typename T >

void gem5::LdsState::CuSidePort::loadData ( PacketPtr packet )

protected

◆ recvAtomic()

virtual Tick gem5::LdsState::CuSidePort::recvAtomic ( PacketPtr pkt )

inlineprotectedvirtual

Receive an atomic request packet from the peer.

Implements gem5::AtomicResponseProtocol.

Definition at line 244 of file lds_state.hh.

◆ recvFunctional()

void gem5::LdsState::CuSidePort::recvFunctional ( PacketPtr pkt )

protectedvirtual

receive a packet in functional mode

Implements gem5::FunctionalResponseProtocol.

Definition at line 236 of file lds_state.cc.

References fatal.

◆ recvRangeChange()

virtual void gem5::LdsState::CuSidePort::recvRangeChange ( )

inlineprotectedvirtual

Definition at line 253 of file lds_state.hh.

◆ recvRespRetry()

void gem5::LdsState::CuSidePort::recvRespRetry ( )

protectedvirtual

receive a retry for a response

Implements gem5::TimingResponseProtocol.

Definition at line 245 of file lds_state.cc.

◆ recvRetry()

void gem5::LdsState::CuSidePort::recvRetry ( )

protectedvirtual

receive a retry

Definition at line 257 of file lds_state.cc.

References fatal.

◆ recvTimingReq()

bool gem5::LdsState::CuSidePort::recvTimingReq ( PacketPtr pkt )

protectedvirtual

receive the packet from the CU

Implements gem5::TimingResponseProtocol.

Definition at line 169 of file lds_state.cc.

References ownerLds, and gem5::LdsState::processPacket().

◆ storeData()

template<typename T >

void gem5::LdsState::CuSidePort::storeData ( PacketPtr packet )

protected

Member Data Documentation

◆ ownerLds

LdsState* gem5::LdsState::CuSidePort::ownerLds

protected

Definition at line 238 of file lds_state.hh.

Referenced by getAddrRanges(), and recvTimingReq().

The documentation for this class was generated from the following files:

gpu-compute/lds_state.hh
gpu-compute/lds_state.cc

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ CuSidePort()

Member Function Documentation

◆ atomicOperation()

◆ getAddrRanges()

◆ loadData()

◆ recvAtomic()

◆ recvFunctional()

◆ recvRangeChange()

◆ recvRespRetry()

◆ recvRetry()

◆ recvTimingReq()

◆ storeData()

Member Data Documentation

◆ ownerLds