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7e56a8303a
Source location of Linux kernel DRM/i915 interface headers: https://repositories.intel.com/graphics/kernel-api/index.html Related-To: NEO-4744 Change-Id: I08a9ab651d8594e9a04d6a83dc48682d4fa53702 Signed-off-by: Slawomir Milczarek <slawomir.milczarek@intel.com>
52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
/*
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* Copyright (C) 2020 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 "shared/source/helpers/basic_math.h"
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#include "shared/source/helpers/debug_helpers.h"
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#include "shared/source/os_interface/linux/drm_neo.h"
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#include "shared/source/os_interface/linux/memory_info.h"
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#include "drm/i915_drm.h"
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#include <cstddef>
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#include <cstdint>
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#include <vector>
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namespace NEO {
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struct MemoryInfoImpl : public MemoryInfo {
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~MemoryInfoImpl() override = default;
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MemoryInfoImpl(const drm_i915_memory_region_info *regionInfo, size_t count) : regions(regionInfo, regionInfo + count) {
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}
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drm_i915_gem_memory_class_instance getMemoryRegionClassAndInstance(uint32_t memoryBank) {
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auto index = (memoryBank > 0) ? Math::log2(memoryBank) + 1 : 0;
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if (index < regions.size()) {
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return regions[index].region;
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}
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return {invalidMemoryRegion(), invalidMemoryRegion()};
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}
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size_t getMemoryRegionSize(uint32_t memoryBank) {
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auto index = (memoryBank > 0) ? Math::log2(memoryBank) + 1 : 0;
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if (index < regions.size()) {
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return regions[index].probed_size;
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}
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return 0;
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}
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static constexpr uint16_t invalidMemoryRegion() {
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return static_cast<uint16_t>(-1);
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}
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std::vector<drm_i915_memory_region_info> regions;
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};
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} // namespace NEO
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