99 lines
4.2 KiB
C++
99 lines
4.2 KiB
C++
/*
|
|
* Copyright (C) 2021-2023 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
*
|
|
*/
|
|
|
|
#include "shared/source/memory_manager/allocations_list.h"
|
|
|
|
#include "shared/source/command_stream/command_stream_receiver.h"
|
|
#include "shared/source/command_stream/task_count_helper.h"
|
|
#include "shared/source/device/device.h"
|
|
#include "shared/source/os_interface/os_context.h"
|
|
|
|
namespace {
|
|
struct ReusableAllocationRequirements {
|
|
const void *requiredPtr;
|
|
size_t requiredMinimalSize;
|
|
volatile TagAddressType *csrTagAddress;
|
|
NEO::AllocationType allocationType;
|
|
uint32_t contextId;
|
|
uint32_t activeTileCount;
|
|
uint32_t tagOffset;
|
|
bool forceSystemMemoryFlag;
|
|
};
|
|
|
|
bool checkTagAddressReady(ReusableAllocationRequirements *requirements, NEO::GraphicsAllocation *gfxAllocation) {
|
|
auto tagAddress = requirements->csrTagAddress;
|
|
auto taskCount = gfxAllocation->getTaskCount(requirements->contextId);
|
|
for (uint32_t count = 0; count < requirements->activeTileCount; count++) {
|
|
if (*tagAddress < taskCount) {
|
|
return false;
|
|
}
|
|
tagAddress = ptrOffset(tagAddress, requirements->tagOffset);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
} // namespace
|
|
|
|
namespace NEO {
|
|
AllocationsList::AllocationsList(AllocationUsage allocationUsage)
|
|
: allocationUsage(allocationUsage) {}
|
|
|
|
std::unique_ptr<GraphicsAllocation> AllocationsList::detachAllocation(size_t requiredMinimalSize, const void *requiredPtr, CommandStreamReceiver *commandStreamReceiver, AllocationType allocationType) {
|
|
return this->detachAllocation(requiredMinimalSize, requiredPtr, false, commandStreamReceiver, allocationType);
|
|
}
|
|
|
|
std::unique_ptr<GraphicsAllocation> AllocationsList::detachAllocation(size_t requiredMinimalSize, const void *requiredPtr, bool forceSystemMemoryFlag, CommandStreamReceiver *commandStreamReceiver, AllocationType allocationType) {
|
|
ReusableAllocationRequirements req;
|
|
req.requiredMinimalSize = requiredMinimalSize;
|
|
req.csrTagAddress = (commandStreamReceiver == nullptr) ? nullptr : commandStreamReceiver->getTagAddress();
|
|
req.allocationType = allocationType;
|
|
req.contextId = (commandStreamReceiver == nullptr) ? UINT32_MAX : commandStreamReceiver->getOsContext().getContextId();
|
|
req.requiredPtr = requiredPtr;
|
|
req.activeTileCount = (commandStreamReceiver == nullptr) ? 1u : commandStreamReceiver->getActivePartitions();
|
|
req.tagOffset = (commandStreamReceiver == nullptr) ? 0u : commandStreamReceiver->getImmWritePostSyncWriteOffset();
|
|
req.forceSystemMemoryFlag = forceSystemMemoryFlag;
|
|
GraphicsAllocation *a = nullptr;
|
|
GraphicsAllocation *retAlloc = processLocked<AllocationsList, &AllocationsList::detachAllocationImpl>(a, static_cast<void *>(&req));
|
|
return std::unique_ptr<GraphicsAllocation>(retAlloc);
|
|
}
|
|
|
|
GraphicsAllocation *AllocationsList::detachAllocationImpl(GraphicsAllocation *, void *data) {
|
|
ReusableAllocationRequirements *req = static_cast<ReusableAllocationRequirements *>(data);
|
|
auto *curr = head;
|
|
while (curr != nullptr) {
|
|
if ((req->allocationType == curr->getAllocationType()) &&
|
|
(curr->getUnderlyingBufferSize() >= req->requiredMinimalSize) &&
|
|
(curr->storageInfo.systemMemoryForced == req->forceSystemMemoryFlag)) {
|
|
if (req->csrTagAddress == nullptr) {
|
|
return removeOneImpl(curr, nullptr);
|
|
}
|
|
if ((this->allocationUsage == TEMPORARY_ALLOCATION || checkTagAddressReady(req, curr)) &&
|
|
(req->requiredPtr == nullptr || req->requiredPtr == curr->getUnderlyingBuffer())) {
|
|
if (this->allocationUsage == TEMPORARY_ALLOCATION) {
|
|
// We may not have proper task count yet, so set notReady to avoid releasing in a different thread
|
|
curr->updateTaskCount(CompletionStamp::notReady, req->contextId);
|
|
}
|
|
return removeOneImpl(curr, nullptr);
|
|
}
|
|
}
|
|
curr = curr->next;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
void AllocationsList::freeAllGraphicsAllocations(Device *neoDevice) {
|
|
auto *curr = head;
|
|
while (curr != nullptr) {
|
|
auto currNext = curr->next;
|
|
neoDevice->getMemoryManager()->freeGraphicsMemory(curr);
|
|
curr = currNext;
|
|
}
|
|
head = nullptr;
|
|
tail = nullptr;
|
|
}
|
|
} // namespace NEO
|