58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
/*
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* Copyright (C) 2018-2025 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#pragma once
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#include <cstdint>
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#include <memory>
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namespace NEO {
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class GmmClientContext;
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struct HardwareInfo;
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struct RootDeviceEnvironment;
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class GmmHelper {
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public:
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GmmHelper() = delete;
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GmmHelper(const RootDeviceEnvironment &rootDeviceEnvironment);
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MOCKABLE_VIRTUAL ~GmmHelper();
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const HardwareInfo *getHardwareInfo();
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uint32_t getMOCS(uint32_t type) const;
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uint32_t getL1EnabledMOCS() const;
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uint32_t getL3EnabledMOCS() const;
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uint32_t getUncachedMOCS() const;
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void initMocsDefaults();
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static void applyMocsEncryptionBit(uint32_t &index);
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void forceAllResourcesUncached();
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static constexpr uint64_t maxPossiblePitch = (1ull << 31);
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uint64_t canonize(uint64_t address) const;
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uint64_t decanonize(uint64_t address) const;
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uint32_t getAddressWidth() { return addressWidth; };
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void setAddressWidth(uint32_t width) { addressWidth = width; };
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bool isValidCanonicalGpuAddress(uint64_t address);
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GmmClientContext *getClientContext() const;
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const RootDeviceEnvironment &getRootDeviceEnvironment() const;
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static std::unique_ptr<GmmClientContext> (*createGmmContextWrapperFunc)(const RootDeviceEnvironment &);
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protected:
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const RootDeviceEnvironment &rootDeviceEnvironment;
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std::unique_ptr<GmmClientContext> gmmClientContext;
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uint32_t addressWidth = 0;
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uint32_t mocsL1Enabled = 0;
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uint32_t mocsL3Enabled = 0;
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uint32_t mocsUncached = 0;
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bool allResourcesUncached = false;
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};
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} // namespace NEO
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