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feature: extend TBX page fault manager from CPU implementation

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In TBX mode, the host could not write to host buffers after access from device
code due to the lack of a migration mechanism post-initial TBX upload.
Migration is unnecessary with real hardware, but required for TBX.

This patch introduces a new page fault manager type that extends the original
CPU fault manager, enabling automatic migration of host buffers in TBX mode.

Refactoring was necessary to avoid diamond inheritance, achieved by using a
template parameter as the base class for OS-specific fault managers.

Related-To: NEO-12268
Signed-off-by: Jack Myers <jack.myers@intel.com>
This commit is contained in:
Jack Myers
2024-12-03 00:28:34 +00:00
committed by Compute-Runtime-Automation
parent 924ad580bd
commit 51c0e80299
36 changed files with 591 additions and 136 deletions
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6
shared/test/unit_test/ult_specific_config.cpp
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@@ -29,11 +29,11 @@ const char *neoMockSettingsFileName = "neo_mock.config";
bool CompressionSelector::preferCompressedAllocation(const AllocationProperties &properties) {
return false;
}
void PageFaultManager::transferToCpu(void *ptr, size_t size, void *cmdQ) {
void CpuPageFaultManager::transferToCpu(void *ptr, size_t size, void *cmdQ) {
}
void PageFaultManager::transferToGpu(void *ptr, void *cmdQ) {
void CpuPageFaultManager::transferToGpu(void *ptr, void *cmdQ) {
}
void PageFaultManager::allowCPUMemoryEviction(bool evict, void *ptr, PageFaultData &pageFaultData) {
void CpuPageFaultManager::allowCPUMemoryEviction(bool evict, void *ptr, PageFaultData &pageFaultData) {
}
void RootDeviceEnvironment::initApiGfxCoreHelper() {