#include <tlb.hh>

Inheritance diagram for gem5::X86ISA::GpuTLB::CpuSidePort:

Public Member Functions
	CpuSidePort (const std::string &_name, GpuTLB *gpu_TLB, PortID _index)

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.

virtual AddrRangeList	getAddrRanges () const =0
	Get a list of the non-overlapping address ranges the owner is responsible for.

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.

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

virtual void	unbind ()
	Dettach from a peer port.

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)
	recvTiming receives a coalesced timing request from a TLBCoalescer and it calls issueTLBLookup() It only rejects the packet if we have exceeded the max outstanding number of requests for the TLB

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

virtual void	recvFunctional (PacketPtr pkt)
	Receive a functional request packet from the peer.

virtual void	recvRangeChange ()

virtual void	recvReqRetry ()

virtual void	recvRespRetry ()
	Called by the peer if sendTimingResp was called on this protocol (causing recvTimingResp to be called on the peer) and was unsuccessful.

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

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.

virtual Tick	recvAtomic (PacketPtr pkt)=0
	Receive an atomic request packet from the peer.

virtual Tick	recvAtomicBackdoor (PacketPtr pkt, MemBackdoorPtr &backdoor)=0
	Receive an atomic request packet from the peer, and optionally provide a backdoor to the data being accessed.

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.

virtual bool	recvTimingReq (PacketPtr pkt)=0
	Receive a timing request from the peer.

virtual bool	tryTiming (PacketPtr pkt)=0
	Availability request from the peer.

virtual bool	recvTimingSnoopResp (PacketPtr pkt)=0
	Receive a timing snoop response from the peer.

virtual void	recvRespRetry ()=0
	Called by the peer if sendTimingResp was called on this protocol (causing recvTimingResp to be called on the peer) and was unsuccessful.

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.

virtual void	recvFunctional (PacketPtr pkt)=0
	Receive a functional request packet from the peer.

virtual void	recvMemBackdoorReq (const MemBackdoorReq &req, MemBackdoorPtr &backdoor)=0
	Receive a request for a back door to a range of memory.

Protected Attributes
GpuTLB *	tlb

int	index

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

Definition at line 212 of file tlb.hh.

Constructor & Destructor Documentation

◆ CpuSidePort()

gem5::X86ISA::GpuTLB::CpuSidePort::CpuSidePort	(	const std::string &	_name,
		GpuTLB *	gpu_TLB,
		PortID	_index
	)

inline

Definition at line 215 of file tlb.hh.

Member Function Documentation

◆ getAddrRanges()

AddrRangeList gem5::X86ISA::GpuTLB::CpuSidePort::getAddrRanges ( ) const

protectedvirtual

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 1233 of file tlb.cc.

◆ recvAtomic()

virtual Tick gem5::X86ISA::GpuTLB::CpuSidePort::recvAtomic ( PacketPtr pkt )

inlineprotectedvirtual

Receive an atomic request packet from the peer.

Implements gem5::AtomicResponseProtocol.

Definition at line 224 of file tlb.hh.

◆ recvFunctional()

void gem5::X86ISA::GpuTLB::CpuSidePort::recvFunctional ( PacketPtr pkt )

protectedvirtual

Receive a functional request packet from the peer.

Implements gem5::FunctionalResponseProtocol.

Definition at line 1113 of file tlb.cc.

References DPRINTF, gem5::BaseMMU::Execute, gem5::ThreadContext::getProcessPtr(), gem5::GpuTranslationState::hitLevel, gem5::GpuTranslationState::isPrefetch, gem5::X86ISA::p, gem5::X86ISA::TlbEntry::paddr, gem5::EmulationPageTable::Entry::paddr, gem5::X86ISA::PageBytes, gem5::Packet::req, gem5::GpuTranslationState::reqCnt, gem5::roundDown(), gem5::Packet::senderState, gem5::GpuTranslationState::tc, gem5::X86ISA::GpuTLB::tlb, gem5::X86ISA::GpuTLB::TLB_HIT, gem5::X86ISA::GpuTLB::TLB_MISS, gem5::GpuTranslationState::tlbEntry, gem5::GpuTranslationState::tlbMode, gem5::MipsISA::vaddr, and gem5::X86ISA::TlbEntry::vaddr.

◆ recvRangeChange()

virtual void gem5::X86ISA::GpuTLB::CpuSidePort::recvRangeChange ( )

inlineprotectedvirtual

Definition at line 226 of file tlb.hh.

◆ recvReqRetry()

void gem5::X86ISA::GpuTLB::CpuSidePort::recvReqRetry ( )

protectedvirtual

Definition at line 1225 of file tlb.cc.

References panic.

◆ recvRespRetry()

virtual void gem5::X86ISA::GpuTLB::CpuSidePort::recvRespRetry ( )

inlineprotectedvirtual

Called by the peer if sendTimingResp was called on this protocol (causing recvTimingResp to be called on the peer) and was unsuccessful.

Implements gem5::TimingResponseProtocol.

Definition at line 228 of file tlb.hh.

References panic.

◆ recvTimingReq()

bool gem5::X86ISA::GpuTLB::CpuSidePort::recvTimingReq ( PacketPtr pkt )

protectedvirtual

recvTiming receives a coalesced timing request from a TLBCoalescer and it calls issueTLBLookup() It only rejects the packet if we have exceeded the max outstanding number of requests for the TLB

Implements gem5::TimingResponseProtocol.

Definition at line 1018 of file tlb.cc.

References DPRINTF, and gem5::X86ISA::GpuTLB::tlb.

Member Data Documentation

◆ index

int gem5::X86ISA::GpuTLB::CpuSidePort::index

protected

Definition at line 221 of file tlb.hh.

◆ tlb

GpuTLB* gem5::X86ISA::GpuTLB::CpuSidePort::tlb

protected

Definition at line 220 of file tlb.hh.

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

arch/amdgpu/common/tlb.hh
arch/amdgpu/common/tlb.cc

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ CpuSidePort()

Member Function Documentation

◆ getAddrRanges()

◆ recvAtomic()

◆ recvFunctional()

◆ recvRangeChange()

◆ recvReqRetry()

◆ recvRespRetry()

◆ recvTimingReq()

Member Data Documentation

◆ index

◆ tlb