1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/*
* 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
|
