File: gmm_helper.h

package info (click to toggle)
intel-compute-runtime 22.43.24595.41-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 57,740 kB
  • sloc: cpp: 631,142; lisp: 3,515; sh: 470; makefile: 76; python: 21
file content (48 lines) | stat: -rw-r--r-- 1,267 bytes parent folder | download
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
/*
 * Copyright (C) 2018-2022 Intel Corporation
 *
 * SPDX-License-Identifier: MIT
 *
 */

#pragma once

#include <memory>

namespace NEO {
class GmmClientContext;
class OSInterface;
struct HardwareInfo;

class GmmHelper {
  public:
    GmmHelper() = delete;
    GmmHelper(OSInterface *osInterface, const HardwareInfo *hwInfo);
    MOCKABLE_VIRTUAL ~GmmHelper();

    const HardwareInfo *getHardwareInfo();
    uint32_t getMOCS(uint32_t type) const;
    static void applyMocsEncryptionBit(uint32_t &index);
    void forceAllResourcesUncached() { allResourcesUncached = true; };

    static constexpr uint64_t maxPossiblePitch = (1ull << 31);

    uint64_t canonize(uint64_t address);
    uint64_t decanonize(uint64_t address);

    uint32_t getAddressWidth() { return addressWidth; };
    void setAddressWidth(uint32_t width) { addressWidth = width; };

    bool isValidCanonicalGpuAddress(uint64_t address);

    GmmClientContext *getClientContext() const;

    static std::unique_ptr<GmmClientContext> (*createGmmContextWrapperFunc)(OSInterface *, HardwareInfo *);

  protected:
    uint32_t addressWidth;
    const HardwareInfo *hwInfo = nullptr;
    std::unique_ptr<GmmClientContext> gmmClientContext;
    bool allResourcesUncached = false;
};
} // namespace NEO