gem5::HSAQueueDescriptor Class Reference

#include <hsa_packet_processor.hh>

Public Member Functions
	HSAQueueDescriptor (uint64_t base_ptr, uint64_t db_ptr, uint64_t hri_ptr, uint32_t size)
uint64_t	spaceRemaining ()
uint64_t	spaceUsed ()
uint32_t	objSize ()
uint32_t	numObjs ()
bool	isFull ()
bool	isEmpty ()
uint64_t	ptr (uint64_t ix)

Public Attributes
uint64_t	basePointer
uint64_t	doorbellPointer
uint64_t	writeIndex
uint64_t	readIndex
uint32_t	numElts
uint64_t	hostReadIndexPtr
bool	stalledOnDmaBufAvailability
bool	dmaInProgress

Detailed Description

Definition at line 76 of file hsa_packet_processor.hh.

Constructor & Destructor Documentation

HSAQueueDescriptor()

gem5::HSAQueueDescriptor::HSAQueueDescriptor ( uint64_t  base_ptr, uint64_t  db_ptr, uint64_t  hri_ptr, uint32_t  size  )

inline

Definition at line 88 of file hsa_packet_processor.hh.

Member Function Documentation

isEmpty()

bool gem5::HSAQueueDescriptor::isEmpty ( )

inline

Definition at line 101 of file hsa_packet_processor.hh.

References numElts, and spaceRemaining().

Referenced by gem5::HSAPacketProcessor::finishPkt(), and gem5::HSAPacketProcessor::updateReadIndex().

isFull()

bool gem5::HSAQueueDescriptor::isFull ( )

inline

Definition at line 100 of file hsa_packet_processor.hh.

References spaceRemaining().

numObjs()

uint32_t gem5::HSAQueueDescriptor::numObjs ( )

inline

Definition at line 99 of file hsa_packet_processor.hh.

References numElts.

Referenced by gem5::HSAPacketProcessor::getCommandsFromHost().

objSize()

uint32_t gem5::HSAQueueDescriptor::objSize ( )

inline

Definition at line 98 of file hsa_packet_processor.hh.

References AQL_PACKET_SIZE.

Referenced by gem5::HSAPacketProcessor::getCommandsFromHost(), and ptr().

ptr()

uint64_t gem5::HSAQueueDescriptor::ptr ( uint64_t  ix )

inline

Sometimes queues report that their size is 512k, which would indicate numElts of 0x2000. However, they only have 256k mapped which means any index over 0x1000 will fail an address translation.

Definition at line 103 of file hsa_packet_processor.hh.

References basePointer, numElts, and objSize().

Referenced by gem5::HSAPacketProcessor::getCommandsFromHost().

spaceRemaining()

uint64_t gem5::HSAQueueDescriptor::spaceRemaining ( )

inline

Definition at line 96 of file hsa_packet_processor.hh.

References numElts, readIndex, and writeIndex.

Referenced by isEmpty(), and isFull().

spaceUsed()

uint64_t gem5::HSAQueueDescriptor::spaceUsed ( )

inline

Definition at line 97 of file hsa_packet_processor.hh.

References readIndex, and writeIndex.

Referenced by gem5::HSAPacketProcessor::finishPkt(), gem5::HSAPacketProcessor::getCommandsFromHost(), and gem5::HSAPacketProcessor::updateReadIndex().

Member Data Documentation

basePointer

uint64_t gem5::HSAQueueDescriptor::basePointer

Definition at line 79 of file hsa_packet_processor.hh.

Referenced by ptr().

dmaInProgress

bool gem5::HSAQueueDescriptor::dmaInProgress

Definition at line 86 of file hsa_packet_processor.hh.

Referenced by gem5::HSAPacketProcessor::cmdQueueCmdDma(), gem5::HSAPacketProcessor::getCommandsFromHost(), and gem5::HWScheduler::isRLQIdle().

doorbellPointer

uint64_t gem5::HSAQueueDescriptor::doorbellPointer

Definition at line 80 of file hsa_packet_processor.hh.

Referenced by gem5::HSAPacketProcessor::getCommandsFromHost(), and gem5::HWScheduler::removeQCntxt().

hostReadIndexPtr

uint64_t gem5::HSAQueueDescriptor::hostReadIndexPtr

Definition at line 84 of file hsa_packet_processor.hh.

Referenced by gem5::GPUCommandProcessor::ReadDispIdOffsetDmaEvent(), and gem5::HSAPacketProcessor::updateReadIndex().

numElts

uint32_t gem5::HSAQueueDescriptor::numElts

Definition at line 83 of file hsa_packet_processor.hh.

Referenced by gem5::HSAPacketProcessor::finishPkt(), isEmpty(), numObjs(), ptr(), spaceRemaining(), and gem5::HSAPacketProcessor::updateReadIndex().

readIndex

uint64_t gem5::HSAQueueDescriptor::readIndex

Definition at line 82 of file hsa_packet_processor.hh.

Referenced by gem5::HSAPacketProcessor::finishPkt(), gem5::HSAPacketProcessor::getCommandsFromHost(), spaceRemaining(), spaceUsed(), and gem5::HSAPacketProcessor::updateReadIndex().

stalledOnDmaBufAvailability

bool gem5::HSAQueueDescriptor::stalledOnDmaBufAvailability

Definition at line 85 of file hsa_packet_processor.hh.

Referenced by gem5::HSAPacketProcessor::finishPkt(), and gem5::HSAPacketProcessor::getCommandsFromHost().

writeIndex

uint64_t gem5::HSAQueueDescriptor::writeIndex

Definition at line 81 of file hsa_packet_processor.hh.

Referenced by gem5::HSAPacketProcessor::finishPkt(), gem5::HSAPacketProcessor::getCommandsFromHost(), spaceRemaining(), spaceUsed(), and gem5::HSAPacketProcessor::updateReadIndex().

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

• dev/hsa/hsa_packet_processor.hh