mirror of
https://github.com/intel/compute-runtime.git
synced 2025-09-15 13:01:45 +08:00
a3b3f3e86e
This extension allows pairing two buffer objects so they can be exported using a single dma-buf handle. When imported, a single buffer object is created with a total size of the two buffer objects. Related-To: LOCI-3355 Sync to https://github.com/intel-gpu/drm-uapi-helper/releases/tag/v2.0-rc15 Signed-off-by: Jaime Arteaga <jaime.a.arteaga.molina@intel.com>
54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
/*
|
|
* Copyright (C) 2019-2022 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
*
|
|
*/
|
|
|
|
#pragma once
|
|
#include "shared/source/os_interface/linux/ioctl_helper.h"
|
|
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
#include <vector>
|
|
|
|
namespace NEO {
|
|
class Drm;
|
|
struct HardwareInfo;
|
|
|
|
class MemoryInfo {
|
|
public:
|
|
using RegionContainer = std::vector<MemoryRegion>;
|
|
|
|
virtual ~MemoryInfo(){};
|
|
|
|
MemoryInfo(const RegionContainer ®ionInfo, const Drm &drm);
|
|
|
|
void assignRegionsFromDistances(const std::vector<DistanceInfo> &distances);
|
|
|
|
MOCKABLE_VIRTUAL uint32_t createGemExt(const MemRegionsVec &memClassInstances, size_t allocSize, uint32_t &handle, std::optional<uint32_t> vmId, int32_t pairHandle);
|
|
|
|
MemoryClassInstance getMemoryRegionClassAndInstance(uint32_t memoryBank, const HardwareInfo &hwInfo);
|
|
|
|
MOCKABLE_VIRTUAL size_t getMemoryRegionSize(uint32_t memoryBank);
|
|
|
|
void printRegionSizes();
|
|
|
|
uint32_t getTileIndex(uint32_t memoryBank, const HardwareInfo &hwInfo);
|
|
|
|
MOCKABLE_VIRTUAL uint32_t createGemExtWithSingleRegion(uint32_t memoryBanks, size_t allocSize, uint32_t &handle, int32_t pairHandle);
|
|
MOCKABLE_VIRTUAL uint32_t createGemExtWithMultipleRegions(uint32_t memoryBanks, size_t allocSize, uint32_t &handle);
|
|
|
|
const RegionContainer &getDrmRegionInfos() const { return drmQueryRegions; }
|
|
|
|
protected:
|
|
const Drm &drm;
|
|
const RegionContainer drmQueryRegions;
|
|
|
|
const MemoryRegion &systemMemoryRegion;
|
|
|
|
RegionContainer localMemoryRegions;
|
|
};
|
|
|
|
} // namespace NEO
|