#include <amdgpu_vm.hh>

Inheritance diagram for gem5::AMDGPUVM:

Classes
class	AGPTranslationGen
	Translation range generators. More...

struct	AMDGPUSysVMContext

class	GARTTranslationGen

struct	GEM5_PACKED

class	MMHUBTranslationGen

class	UserTranslationGen

Public Member Functions
	AMDGPUVM ()

Addr	gartBase ()
	Return base address of GART table in framebuffer. More...

Addr	gartSize ()
	Return size of GART in number of PTEs. More...

void	readMMIO (PacketPtr pkt, Addr offset)

void	writeMMIO (PacketPtr pkt, Addr offset)

bool	inAGP (Addr vaddr)
	Methods for resolving apertures. More...

Addr	getAGPBot ()

Addr	getAGPTop ()

Addr	getAGPBase ()

bool	inMMHUB (Addr vaddr)

Addr	getMMHUBBase ()

Addr	getMMHUBTop ()

bool	inFB (Addr vaddr)

Addr	getFBBase ()

Addr	getFBTop ()

Addr	getFBOffset ()

bool	inSys (Addr vaddr)

Addr	getSysAddrRangeLow ()

Addr	getSysAddrRangeHigh ()

Addr	getMmioAperture (Addr addr)

Addr	getFrameAperture (Addr addr)

void	setPageTableBase (uint16_t vmid, Addr ptBase)
	Page table base/start accessors for user VMIDs. More...

Addr	getPageTableBase (uint16_t vmid)

Addr	getPageTableStart (uint16_t vmid)

void	registerTLB (VegaISA::GpuTLB *tlb)
	Control methods for TLBs associated with the GPU device. More...

void	invalidateTLBs ()

void	serialize (CheckpointOut &cp) const override
	Serialize an object. More...

void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...

Public Member Functions inherited from gem5::Serializable
	Serializable ()

virtual	~Serializable ()

void	serializeSection (CheckpointOut &cp, const char *name) const
	Serialize an object into a new section. More...

void	serializeSection (CheckpointOut &cp, const std::string &name) const

void	unserializeSection (CheckpointIn &cp, const char *name)
	Unserialize an a child object. More...

void	unserializeSection (CheckpointIn &cp, const std::string &name)

Public Attributes
std::unordered_map< uint64_t, uint64_t >	gartTable
	Copy of GART table. More...

Private Types
typedef struct gem5::AMDGPUVM::GEM5_PACKED	AMDGPUVMContext

typedef gem5::AMDGPUVM::AMDGPUSysVMContext	AMDGPUSysVMContext

Private Attributes
AMDGPUSysVMContext	vmContext0

std::vector< AMDGPUVMContext >	vmContexts

uint64_t	mmhubBase = 0x0

uint64_t	mmhubTop = 0x0

std::vector< VegaISA::GpuTLB * >	gpu_tlbs
	List of TLBs associated with the GPU device. More...

Additional Inherited Members
Static Public Member Functions inherited from gem5::Serializable
static const std::string &	currentSection ()
	Gets the fully-qualified name of the active section. More...

static void	generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream)
	Generate a checkpoint file so that the serialization can be routed to it. More...

Detailed Description

Definition at line 91 of file amdgpu_vm.hh.

Member Typedef Documentation

◆ AMDGPUSysVMContext

typedef gem5::AMDGPUVM::AMDGPUSysVMContext gem5::AMDGPUVM::AMDGPUSysVMContext

private

◆ AMDGPUVMContext

typedef struct gem5::AMDGPUVM::GEM5_PACKED gem5::AMDGPUVM::AMDGPUVMContext

private

Constructor & Destructor Documentation

◆ AMDGPUVM()

gem5::AMDGPUVM::AMDGPUVM ( )

Definition at line 45 of file amdgpu_vm.cc.

References gem5::AMDGPU_VM_COUNT, gem5::ArmISA::i, vmContext0, and vmContexts.

Member Function Documentation

◆ gartBase()

Addr gem5::AMDGPUVM::gartBase ( )

Return base address of GART table in framebuffer.

Definition at line 57 of file amdgpu_vm.cc.

References gem5::AMDGPUVM::GEM5_PACKED::ptBase, and vmContext0.

Referenced by getFrameAperture(), and gem5::AMDGPUDevice::writeFrame().

◆ gartSize()

Addr gem5::AMDGPUVM::gartSize ( )

Return size of GART in number of PTEs.

Definition at line 63 of file amdgpu_vm.cc.

References gem5::AMDGPUVM::GEM5_PACKED::ptEnd, gem5::AMDGPUVM::GEM5_PACKED::ptStart, and vmContext0.

Referenced by getFrameAperture().

◆ getAGPBase()

Addr gem5::AMDGPUVM::getAGPBase ( )

inline

Definition at line 184 of file amdgpu_vm.hh.

References gem5::AMDGPUVM::AMDGPUSysVMContext::agpBase, and vmContext0.

Referenced by gem5::AMDGPUVM::AGPTranslationGen::translate().

◆ getAGPBot()

Addr gem5::AMDGPUVM::getAGPBot ( )

inline

Definition at line 182 of file amdgpu_vm.hh.

References gem5::AMDGPUVM::AMDGPUSysVMContext::agpBot, and vmContext0.

Referenced by gem5::AMDGPUVM::AGPTranslationGen::translate().

◆ getAGPTop()

Addr gem5::AMDGPUVM::getAGPTop ( )

inline

Definition at line 183 of file amdgpu_vm.hh.

References gem5::AMDGPUVM::AMDGPUSysVMContext::agpTop, and vmContext0.

◆ getFBBase()

Addr gem5::AMDGPUVM::getFBBase ( )

inline

Definition at line 201 of file amdgpu_vm.hh.

References gem5::AMDGPUVM::AMDGPUSysVMContext::fbBase, and vmContext0.

◆ getFBOffset()

Addr gem5::AMDGPUVM::getFBOffset ( )

inline

Definition at line 203 of file amdgpu_vm.hh.

References gem5::AMDGPUVM::AMDGPUSysVMContext::fbOffset, and vmContext0.

◆ getFBTop()

Addr gem5::AMDGPUVM::getFBTop ( )

inline

Definition at line 202 of file amdgpu_vm.hh.

References gem5::AMDGPUVM::AMDGPUSysVMContext::fbTop, and vmContext0.

◆ getFrameAperture()

Addr gem5::AMDGPUVM::getFrameAperture ( Addr addr )

inline

Definition at line 248 of file amdgpu_vm.hh.

References gem5::X86ISA::addr, gartBase(), gartSize(), and warn_once.

Referenced by gem5::AMDGPUDevice::writeFrame().

◆ getMMHUBBase()

Addr gem5::AMDGPUVM::getMMHUBBase ( )

inline

Definition at line 192 of file amdgpu_vm.hh.

References mmhubBase.

Referenced by gem5::SDMAEngine::getDeviceAddress(), inMMHUB(), gem5::SDMAEngine::ptePde(), and gem5::SDMAEngine::writeReadData().

◆ getMMHUBTop()

Addr gem5::AMDGPUVM::getMMHUBTop ( )

inline

Definition at line 193 of file amdgpu_vm.hh.

References mmhubTop.

Referenced by inMMHUB().

◆ getMmioAperture()

Addr gem5::AMDGPUVM::getMmioAperture ( Addr addr )

inline

Definition at line 216 of file amdgpu_vm.hh.

References gem5::X86ISA::addr, gem5::GFX_BASE, gem5::GFX_SIZE, gem5::GRBM_BASE, gem5::GRBM_SIZE, gem5::IH_BASE, gem5::IH_SIZE, gem5::MMHUB_BASE, gem5::MMHUB_SIZE, gem5::NBIO_BASE, gem5::SDMA0_BASE, gem5::SDMA1_BASE, gem5::SDMA_SIZE, and warn_once.

Referenced by gem5::AMDGPUDevice::readMMIO(), and gem5::AMDGPUDevice::writeMMIO().

◆ getPageTableBase()

Addr gem5::AMDGPUVM::getPageTableBase ( uint16_t vmid )

inline

Definition at line 272 of file amdgpu_vm.hh.

References vmContexts.

Referenced by gem5::GPUCommandProcessor::submitDispatchPkt(), and gem5::VegaISA::GpuTLB::translationReturn().

◆ getPageTableStart()

Addr gem5::AMDGPUVM::getPageTableStart ( uint16_t vmid )

inline

Definition at line 279 of file amdgpu_vm.hh.

References vmContexts.

◆ getSysAddrRangeHigh()

Addr gem5::AMDGPUVM::getSysAddrRangeHigh ( )

inline

Definition at line 213 of file amdgpu_vm.hh.

References gem5::AMDGPUVM::AMDGPUSysVMContext::sysAddrH, and vmContext0.

◆ getSysAddrRangeLow()

Addr gem5::AMDGPUVM::getSysAddrRangeLow ( )

inline

Definition at line 212 of file amdgpu_vm.hh.

References gem5::AMDGPUVM::AMDGPUSysVMContext::sysAddrL, and vmContext0.

◆ inAGP()

bool gem5::AMDGPUVM::inAGP ( Addr vaddr )

inline

Methods for resolving apertures.

Definition at line 177 of file amdgpu_vm.hh.

References gem5::AMDGPUVM::AMDGPUSysVMContext::agpBot, gem5::AMDGPUVM::AMDGPUSysVMContext::agpTop, gem5::MipsISA::vaddr, and vmContext0.

Referenced by gem5::PM4PacketProcessor::getGARTAddr(), gem5::SDMAEngine::getGARTAddr(), gem5::PM4PacketProcessor::translate(), gem5::SDMAEngine::translate(), and gem5::AMDGPUVM::AGPTranslationGen::translate().

◆ inFB()

bool gem5::AMDGPUVM::inFB ( Addr vaddr )

inline

Definition at line 196 of file amdgpu_vm.hh.

References gem5::AMDGPUVM::AMDGPUSysVMContext::fbBase, gem5::AMDGPUVM::AMDGPUSysVMContext::fbTop, gem5::MipsISA::vaddr, and vmContext0.

◆ inMMHUB()

bool gem5::AMDGPUVM::inMMHUB ( Addr vaddr )

inline

Definition at line 187 of file amdgpu_vm.hh.

References getMMHUBBase(), getMMHUBTop(), and gem5::MipsISA::vaddr.

Referenced by gem5::SDMAEngine::getDeviceAddress(), gem5::SDMAEngine::ptePde(), gem5::SDMAEngine::translate(), and gem5::SDMAEngine::writeReadData().

◆ inSys()

bool gem5::AMDGPUVM::inSys ( Addr vaddr )

inline

Definition at line 206 of file amdgpu_vm.hh.

References gem5::AMDGPUVM::AMDGPUSysVMContext::sysAddrH, gem5::AMDGPUVM::AMDGPUSysVMContext::sysAddrL, gem5::MipsISA::vaddr, and vmContext0.

◆ invalidateTLBs()

void gem5::AMDGPUVM::invalidateTLBs ( )

Definition at line 174 of file amdgpu_vm.cc.

References DPRINTF, gpu_tlbs, and gem5::ArmISA::tlb.

Referenced by gem5::PM4PacketProcessor::decodeHeader().

◆ readMMIO()

void gem5::AMDGPUVM::readMMIO	(	PacketPtr	pkt,
		Addr	offset
	)

Definition at line 69 of file amdgpu_vm.cc.

References gem5::bits(), DPRINTF, gem5::Packet::getLE(), mmhubBase, mmhubTop, mmMMHUB_VM_FB_LOCATION_BASE, mmMMHUB_VM_FB_LOCATION_TOP, mmMMHUB_VM_INVALIDATE_ENG17_ACK, mmMMHUB_VM_INVALIDATE_ENG17_SEM, mmVM_INVALIDATE_ENG17_ACK, gem5::ArmISA::offset, and gem5::Packet::setLE().

Referenced by gem5::AMDGPUDevice::readMMIO().

◆ registerTLB()

void gem5::AMDGPUVM::registerTLB ( VegaISA::GpuTLB * tlb )

Control methods for TLBs associated with the GPU device.

Definition at line 167 of file amdgpu_vm.cc.

References DPRINTF, gpu_tlbs, and gem5::ArmISA::tlb.

◆ serialize()

void gem5::AMDGPUVM::serialize ( CheckpointOut & cp ) const

overridevirtual

Serialize an object.

Output an object's state into the current checkpoint section.

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 184 of file amdgpu_vm.cc.

◆ setPageTableBase()

void gem5::AMDGPUVM::setPageTableBase	(	uint16_t	vmid,
		Addr	ptBase
	)

inline

Page table base/start accessors for user VMIDs.

Definition at line 266 of file amdgpu_vm.hh.

References vmContexts.

Referenced by gem5::PM4PacketProcessor::mapProcess().

◆ unserialize()

void gem5::AMDGPUVM::unserialize ( CheckpointIn & cp )

overridevirtual

Unserialize an object.

Read an object's state from the current checkpoint section.

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 219 of file amdgpu_vm.cc.

◆ writeMMIO()

void gem5::AMDGPUVM::writeMMIO	(	PacketPtr	pkt,
		Addr	offset
	)

Definition at line 105 of file amdgpu_vm.cc.

Referenced by gem5::AMDGPUDevice::writeMMIO().

Member Data Documentation

◆ gartTable

std::unordered_map<uint64_t, uint64_t> gem5::AMDGPUVM::gartTable

Copy of GART table.

Typically resides in device memory, however we use a copy in gem5 to simplify the interface.

Definition at line 168 of file amdgpu_vm.hh.

Referenced by gem5::AMDGPUDevice::writeFrame().

◆ gpu_tlbs

std::vector<VegaISA::GpuTLB *> gem5::AMDGPUVM::gpu_tlbs

private

List of TLBs associated with the GPU device.

This is used for flushing the TLBs upon a driver request.

Definition at line 150 of file amdgpu_vm.hh.

Referenced by invalidateTLBs(), and registerTLB().

◆ mmhubBase

uint64_t gem5::AMDGPUVM::mmhubBase = 0x0

private

Definition at line 143 of file amdgpu_vm.hh.

Referenced by getMMHUBBase(), readMMIO(), serialize(), and unserialize().

◆ mmhubTop

uint64_t gem5::AMDGPUVM::mmhubTop = 0x0

private

Definition at line 144 of file amdgpu_vm.hh.

Referenced by getMMHUBTop(), readMMIO(), serialize(), and unserialize().

◆ vmContext0

AMDGPUSysVMContext gem5::AMDGPUVM::vmContext0

private

Definition at line 138 of file amdgpu_vm.hh.

Referenced by AMDGPUVM(), gartBase(), gartSize(), getAGPBase(), getAGPBot(), getAGPTop(), getFBBase(), getFBOffset(), getFBTop(), getSysAddrRangeHigh(), getSysAddrRangeLow(), inAGP(), inFB(), inSys(), serialize(), unserialize(), and writeMMIO().

◆ vmContexts

std::vector<AMDGPUVMContext> gem5::AMDGPUVM::vmContexts

private

Definition at line 139 of file amdgpu_vm.hh.

Referenced by AMDGPUVM(), getPageTableBase(), getPageTableStart(), serialize(), setPageTableBase(), and unserialize().

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

dev/amdgpu/amdgpu_vm.hh
dev/amdgpu/amdgpu_vm.cc

Classes

Public Member Functions

Public Attributes

Private Types

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ AMDGPUSysVMContext

◆ AMDGPUVMContext

Constructor & Destructor Documentation

◆ AMDGPUVM()

Member Function Documentation

◆ gartBase()

◆ gartSize()

◆ getAGPBase()

◆ getAGPBot()

◆ getAGPTop()

◆ getFBBase()

◆ getFBOffset()

◆ getFBTop()

◆ getFrameAperture()

◆ getMMHUBBase()

◆ getMMHUBTop()

◆ getMmioAperture()

◆ getPageTableBase()

◆ getPageTableStart()

◆ getSysAddrRangeHigh()

◆ getSysAddrRangeLow()

◆ inAGP()

◆ inFB()

◆ inMMHUB()

◆ inSys()

◆ invalidateTLBs()

◆ readMMIO()

◆ registerTLB()

◆ serialize()

◆ setPageTableBase()

◆ unserialize()

◆ writeMMIO()

Member Data Documentation

◆ gartTable

◆ gpu_tlbs

◆ mmhubBase

◆ mmhubTop

◆ vmContext0

◆ vmContexts