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/*
* Copyright (C) 2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/helpers/basic_math.h"
#include "shared/source/helpers/debug_helpers.h"
#include "shared/source/os_interface/linux/drm_neo.h"
#include "shared/source/os_interface/linux/memory_info.h"
#include "drm/i915_drm.h"
#include <cstddef>
#include <cstdint>
#include <vector>
namespace NEO {
struct MemoryInfoImpl : public MemoryInfo {
~MemoryInfoImpl() override = default;
MemoryInfoImpl(const drm_i915_memory_region_info *regionInfo, size_t count) : regions(regionInfo, regionInfo + count) {
}
drm_i915_gem_memory_class_instance getMemoryRegionClassAndInstance(uint32_t memoryBank) {
auto index = (memoryBank > 0) ? Math::log2(memoryBank) + 1 : 0;
if (index < regions.size()) {
return regions[index].region;
}
return {invalidMemoryRegion(), invalidMemoryRegion()};
}
size_t getMemoryRegionSize(uint32_t memoryBank) {
auto index = (memoryBank > 0) ? Math::log2(memoryBank) + 1 : 0;
if (index < regions.size()) {
return regions[index].probed_size;
}
return 0;
}
static constexpr uint16_t invalidMemoryRegion() {
return static_cast<uint16_t>(-1);
}
std::vector<drm_i915_memory_region_info> regions;
};
} // namespace NEO
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