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/*
* Copyright (C) 2018-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/memory_manager/definitions/engine_limits.h"
#include "shared/source/os_interface/os_context.h"
#include <array>
#include <atomic>
#include <vector>
namespace NEO {
class Drm;
class OsContextLinux : public OsContext {
public:
OsContextLinux() = delete;
~OsContextLinux() override;
OsContextLinux(Drm &drm, uint32_t rootDeviceIndex, uint32_t contextId, const EngineDescriptor &engineDescriptor);
unsigned int getEngineFlag() const { return engineFlag; }
void setEngineFlag(unsigned int engineFlag) { this->engineFlag = engineFlag; }
const std::vector<uint32_t> &getDrmContextIds() const { return drmContextIds; }
const std::vector<uint32_t> &getDrmVmIds() const { return drmVmIds; }
bool isDirectSubmissionSupported() const override;
Drm &getDrm() const;
virtual std::pair<uint64_t, uint64_t> getFenceAddressAndValToWait(uint32_t vmHandleId, bool isLocked);
virtual void waitForPagingFence();
static OsContext *create(OSInterface *osInterface, uint32_t rootDeviceIndex, uint32_t contextId, const EngineDescriptor &engineDescriptor);
void reInitializeContext() override;
void setHangDetected() {
contextHangDetected = true;
}
bool isHangDetected() const {
return contextHangDetected;
}
uint64_t getOfflineDumpContextId(uint32_t deviceIndex) const override;
uint64_t getNextFenceVal(uint32_t deviceIndex) { return fenceVal[deviceIndex] + 1; }
void incFenceVal(uint32_t deviceIndex) { fenceVal[deviceIndex]++; }
uint64_t *getFenceAddr(uint32_t deviceIndex) { return &pagingFence[deviceIndex]; }
void waitForBind(uint32_t drmIterator);
bool isDirectSubmissionLightActive() const override;
protected:
bool initializeContext(bool allocateInterrupt) override;
void isOpenVinoLoaded();
unsigned int engineFlag = 0;
std::vector<uint32_t> drmContextIds;
std::vector<uint32_t> drmVmIds;
std::array<uint64_t, EngineLimits::maxHandleCount> pagingFence;
std::array<uint64_t, EngineLimits::maxHandleCount> fenceVal;
std::once_flag ovLoadedFlag{};
Drm &drm;
bool contextHangDetected = false;
bool ovLoaded = false;
};
} // namespace NEO
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