HWScheduler Class Reference

#include <hw_scheduler.hh>

Classes
class	SchedulerWakeupEvent

Public Member Functions
	HWScheduler (HSAPacketProcessor *hsa_pp, Tick wakeup_delay)
void	write (Addr db_addr, uint32_t doorbell_reg)
void	registerNewQueue (uint64_t hostReadIndexPointer, uint64_t basePointer, uint64_t queue_id, uint32_t size)
void	unregisterQueue (uint64_t queue_id)
void	wakeup ()
void	schedWakeup ()
bool	isRLQIdle (uint32_t rl_idx)
bool	findNextActiveALQ ()
bool	findNextIdleRLQ ()
bool	unmapQFromRQ ()
bool	contextSwitchQ ()
bool	findEmptyHWQ ()
bool	mapQIfSlotAvlbl (uint32_t al_idx, AQLRingBuffer *aql_buf, HSAQueueDescriptor *q_desc)
void	addQCntxt (uint32_t al_idx, AQLRingBuffer *aql_buf, HSAQueueDescriptor *q_desc)
void	removeQCntxt ()
void	scheduleAndWakeupMappedQ ()
void	updateRRVars (uint32_t al_idx, uint32_t rl_idx)

Private Attributes
std::map< uint32_t, QCntxt >	activeList
std::map< Addr, uint32_t >	dbMap
std::map< uint32_t, uint32_t >	regdListMap
HSAPacketProcessor *	hsaPP
uint32_t	nextALId
uint32_t	nextRLId
const Tick	wakeupDelay
SchedulerWakeupEvent	schedWakeupEvent

Detailed Description

Definition at line 45 of file hw_scheduler.hh.

Constructor & Destructor Documentation

HWScheduler()

HWScheduler::HWScheduler ( HSAPacketProcessor *  hsa_pp, Tick  wakeup_delay  )

inline

Definition at line 48 of file hw_scheduler.hh.

Member Function Documentation

addQCntxt()

void HWScheduler::addQCntxt	(	uint32_t	al_idx,
		AQLRingBuffer *	aql_buf,
		HSAQueueDescriptor *	q_desc
	)

Definition at line 178 of file hw_scheduler.cc.

References QueueContext::aqlBuf, DPRINTF, HSAPacketProcessor::getRegdListEntry(), hsaPP, nextRLId, HSAPacketProcessor::RQLEntry::qCntxt, QueueContext::qDesc, and regdListMap.

Referenced by contextSwitchQ(), and mapQIfSlotAvlbl().

contextSwitchQ()

bool HWScheduler::contextSwitchQ

(

)

Definition at line 193 of file hw_scheduler.cc.

References activeList, addQCntxt(), DPRINTF, findNextActiveALQ(), mapQIfSlotAvlbl(), nextALId, nextRLId, scheduleAndWakeupMappedQ(), unmapQFromRQ(), and updateRRVars().

Referenced by unregisterQueue(), and wakeup().

findEmptyHWQ()

bool HWScheduler::findEmptyHWQ

(

)

Definition at line 130 of file hw_scheduler.cc.

References DPRINTF, HSAPacketProcessor::getRegdListEntry(), hsaPP, nextRLId, HSAPacketProcessor::numHWQueues, panic, HSAPacketProcessor::RQLEntry::qCntxt, QueueContext::qDesc, and regdListMap.

Referenced by mapQIfSlotAvlbl().

findNextActiveALQ()

bool HWScheduler::findNextActiveALQ

(

)

Definition at line 262 of file hw_scheduler.cc.

References activeList, DPRINTF, MAX_ACTIVE_QUEUES, nextALId, and regdListMap.

Referenced by contextSwitchQ().

findNextIdleRLQ()

bool HWScheduler::findNextIdleRLQ

(

)

Definition at line 284 of file hw_scheduler.cc.

References hsaPP, isRLQIdle(), nextRLId, and HSAPacketProcessor::numHWQueues.

Referenced by unmapQFromRQ().

isRLQIdle()

bool HWScheduler::isRLQIdle

(

uint32_t

rl_idx

)

Definition at line 298 of file hw_scheduler.cc.

References QueueContext::aqlBuf, AQLRingBuffer::dispIdx(), HSAQueueDescriptor::dmaInProgress, DPRINTF, HSAPacketProcessor::getRegdListEntry(), hsaPP, HSAPacketProcessor::RQLEntry::qCntxt, QueueContext::qDesc, and AQLRingBuffer::rdIdx().

Referenced by findNextIdleRLQ().

mapQIfSlotAvlbl()

bool HWScheduler::mapQIfSlotAvlbl	(	uint32_t	al_idx,
		AQLRingBuffer *	aql_buf,
		HSAQueueDescriptor *	q_desc
	)

Definition at line 152 of file hw_scheduler.cc.

References addQCntxt(), DPRINTF, findEmptyHWQ(), nextRLId, scheduleAndWakeupMappedQ(), and updateRRVars().

Referenced by contextSwitchQ(), and registerNewQueue().

registerNewQueue()

void HWScheduler::registerNewQueue	(	uint64_t	hostReadIndexPointer,
		uint64_t	basePointer,
		uint64_t	queue_id,
		uint32_t	size
	)

Definition at line 84 of file hw_scheduler.cc.

References activeList, dbMap, DPRINTF, hsaPP, mapQIfSlotAvlbl(), MAX_ACTIVE_QUEUES, SimObject::name(), NUM_DMA_BUFS, panic, and schedWakeup().

Referenced by HSAPacketProcessor::setDeviceQueueDesc().

removeQCntxt()

void HWScheduler::removeQCntxt

(

)

Definition at line 242 of file hw_scheduler.cc.

References QueueContext::aqlBuf, dbMap, HSAPacketProcessor::RQLEntry::depSignalRdState, HSAPacketProcessor::SignalState::discardRead, HSAQueueDescriptor::doorbellPointer, HSAPacketProcessor::getRegdListEntry(), hsaPP, nextRLId, HSAPacketProcessor::RQLEntry::qCntxt, QueueContext::qDesc, regdListMap, and HSAPacketProcessor::SignalState::resetSigVals().

Referenced by unmapQFromRQ().

scheduleAndWakeupMappedQ()

void HWScheduler::scheduleAndWakeupMappedQ

(

)

Definition at line 167 of file hw_scheduler.cc.

References HSAPacketProcessor::getCommandsFromHost(), hsaPP, nextRLId, HSAPacketProcessor::regdQList, and HSAPacketProcessor::schedAQLProcessing().

Referenced by contextSwitchQ(), and mapQIfSlotAvlbl().

schedWakeup()

void HWScheduler::schedWakeup

(

)

Definition at line 71 of file hw_scheduler.cc.

References activeList, curTick(), DPRINTF, hsaPP, regdListMap, EventManager::schedule(), Event::scheduled(), schedWakeupEvent, and wakeupDelay.

Referenced by registerNewQueue(), unregisterQueue(), and wakeup().

unmapQFromRQ()

bool HWScheduler::unmapQFromRQ

(

)

Definition at line 230 of file hw_scheduler.cc.

References findNextIdleRLQ(), and removeQCntxt().

Referenced by contextSwitchQ().

unregisterQueue()

void HWScheduler::unregisterQueue

(

uint64_t

queue_id

)

Definition at line 339 of file hw_scheduler.cc.

References activeList, QueueContext::aqlBuf, HSAPacketProcessor::RQLEntry::aqlProcessEvent, contextSwitchQ(), dbMap, HSAPacketProcessor::RQLEntry::depSignalRdState, HSAPacketProcessor::SignalState::discardRead, HSAPacketProcessor::getRegdListEntry(), hsaPP, panic, HSAPacketProcessor::RQLEntry::qCntxt, QueueContext::qDesc, regdListMap, HSAPacketProcessor::SignalState::resetSigVals(), Event::scheduled(), schedWakeup(), and warn.

Referenced by HSAPacketProcessor::unsetDeviceQueueDesc().

updateRRVars()

void HWScheduler::updateRRVars	(	uint32_t	al_idx,
		uint32_t	rl_idx
	)

Definition at line 223 of file hw_scheduler.cc.

References hsaPP, MAX_ACTIVE_QUEUES, nextALId, nextRLId, and HSAPacketProcessor::numHWQueues.

Referenced by contextSwitchQ(), and mapQIfSlotAvlbl().

wakeup()

void HWScheduler::wakeup

(

)

Definition at line 57 of file hw_scheduler.cc.

References contextSwitchQ(), and schedWakeup().

Referenced by HWScheduler::SchedulerWakeupEvent::process().

write()

void HWScheduler::write	(	Addr	db_addr,
		uint32_t	doorbell_reg
	)

Definition at line 322 of file hw_scheduler.cc.

References activeList, dbMap, HSAPacketProcessor::getCommandsFromHost(), hsaPP, panic, and regdListMap.

Referenced by HSAPacketProcessor::write().

Member Data Documentation

activeList

std::map<uint32_t, QCntxt> HWScheduler::activeList

private

Definition at line 85 of file hw_scheduler.hh.

Referenced by contextSwitchQ(), findNextActiveALQ(), registerNewQueue(), schedWakeup(), unregisterQueue(), and write().

dbMap

std::map<Addr, uint32_t> HWScheduler::dbMap

private

Definition at line 88 of file hw_scheduler.hh.

Referenced by registerNewQueue(), removeQCntxt(), unregisterQueue(), and write().

hsaPP

HSAPacketProcessor* HWScheduler::hsaPP

private

Definition at line 93 of file hw_scheduler.hh.

Referenced by addQCntxt(), findEmptyHWQ(), findNextIdleRLQ(), isRLQIdle(), registerNewQueue(), removeQCntxt(), scheduleAndWakeupMappedQ(), schedWakeup(), unregisterQueue(), updateRRVars(), and write().

nextALId

uint32_t HWScheduler::nextALId

private

Definition at line 100 of file hw_scheduler.hh.

Referenced by contextSwitchQ(), findNextActiveALQ(), and updateRRVars().

nextRLId

uint32_t HWScheduler::nextRLId

private

Definition at line 101 of file hw_scheduler.hh.

Referenced by addQCntxt(), contextSwitchQ(), findEmptyHWQ(), findNextIdleRLQ(), mapQIfSlotAvlbl(), removeQCntxt(), scheduleAndWakeupMappedQ(), and updateRRVars().

regdListMap

std::map<uint32_t, uint32_t> HWScheduler::regdListMap

private

Definition at line 92 of file hw_scheduler.hh.

Referenced by addQCntxt(), findEmptyHWQ(), findNextActiveALQ(), removeQCntxt(), schedWakeup(), unregisterQueue(), and write().

schedWakeupEvent

SchedulerWakeupEvent HWScheduler::schedWakeupEvent

private

Definition at line 103 of file hw_scheduler.hh.

Referenced by schedWakeup().

wakeupDelay

const Tick HWScheduler::wakeupDelay

private

Definition at line 102 of file hw_scheduler.hh.

Referenced by schedWakeup().

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

• dev/hsa/hw_scheduler.hh
• dev/hsa/hw_scheduler.cc