compute-runtime/shared/source/os_interface/linux/drm_neo.h

148 lines
4.4 KiB
C++

/*
* Copyright (C) 2017-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/helpers/basic_math.h"
#include "shared/source/os_interface/linux/engine_info.h"
#include "shared/source/os_interface/linux/hw_device_id.h"
#include "shared/source/os_interface/linux/memory_info.h"
#include "shared/source/utilities/api_intercept.h"
#include "drm/i915_drm.h"
#include "engine_node.h"
#include "igfxfmid.h"
#include <cerrno>
#include <fcntl.h>
#include <memory>
#include <string>
#include <sys/ioctl.h>
#include <unistd.h>
struct GT_SYSTEM_INFO;
namespace NEO {
#define I915_CONTEXT_PRIVATE_PARAM_BOOST 0x80000000
class DeviceFactory;
struct HardwareInfo;
struct RootDeviceEnvironment;
struct DeviceDescriptor { // NOLINT(clang-analyzer-optin.performance.Padding)
unsigned short deviceId;
const HardwareInfo *pHwInfo;
void (*setupHardwareInfo)(HardwareInfo *, bool);
GTTYPE eGtType;
};
extern const DeviceDescriptor deviceDescriptorTable[];
class Drm {
friend DeviceFactory;
public:
virtual ~Drm();
virtual int ioctl(unsigned long request, void *arg);
int getDeviceID(int &devId);
int getDeviceRevID(int &revId);
int getExecSoftPin(int &execSoftPin);
int enableTurboBoost();
int getEuTotal(int &euTotal);
int getSubsliceTotal(int &subsliceTotal);
int getMaxGpuFrequency(int &maxGpuFrequency);
int getEnabledPooledEu(int &enabled);
int getMinEuInPool(int &minEUinPool);
int queryGttSize(uint64_t &gttSizeOutput);
bool isPreemptionSupported() const { return preemptionSupported; }
MOCKABLE_VIRTUAL void checkPreemptionSupport();
inline int getFileDescriptor() const { return hwDeviceId->getFileDescriptor(); }
uint32_t createDrmContext();
void destroyDrmContext(uint32_t drmContextId);
void setLowPriorityContextParam(uint32_t drmContextId);
unsigned int bindDrmContext(uint32_t drmContextId, uint32_t deviceIndex, aub_stream::EngineType engineType);
void setGtType(GTTYPE eGtType) { this->eGtType = eGtType; }
GTTYPE getGtType() const { return this->eGtType; }
MOCKABLE_VIRTUAL int getErrno();
bool setQueueSliceCount(uint64_t sliceCount);
void checkQueueSliceSupport();
uint64_t getSliceMask(uint64_t sliceCount);
bool queryEngineInfo();
bool queryMemoryInfo();
int setupHardwareInfo(DeviceDescriptor *, bool);
bool areNonPersistentContextsSupported() const { return nonPersistentContextsSupported; }
void checkNonPersistentContextsSupport();
void setNonPersistentContext(uint32_t drmContextId);
MemoryInfo *getMemoryInfo() const {
return memoryInfo.get();
}
static bool isi915Version(int fd);
static Drm *create(std::unique_ptr<HwDeviceId> hwDeviceId, RootDeviceEnvironment &rootDeviceEnvironment);
protected:
int getQueueSliceCount(drm_i915_gem_context_param_sseu *sseu);
bool sliceCountChangeSupported = false;
drm_i915_gem_context_param_sseu sseu{};
bool preemptionSupported = false;
bool nonPersistentContextsSupported = false;
std::unique_ptr<HwDeviceId> hwDeviceId;
int deviceId = 0;
int revisionId = 0;
GTTYPE eGtType = GTTYPE_UNDEFINED;
RootDeviceEnvironment &rootDeviceEnvironment;
Drm(std::unique_ptr<HwDeviceId> hwDeviceIdIn, RootDeviceEnvironment &rootDeviceEnvironment) : hwDeviceId(std::move(hwDeviceIdIn)), rootDeviceEnvironment(rootDeviceEnvironment) {}
std::unique_ptr<EngineInfo> engineInfo;
std::unique_ptr<MemoryInfo> memoryInfo;
std::string getSysFsPciPath(int deviceID);
void *query(uint32_t queryId);
#pragma pack(1)
struct PCIConfig {
uint16_t VendorID;
uint16_t DeviceID;
uint16_t Command;
uint16_t Status;
uint8_t Revision;
uint8_t ProgIF;
uint8_t Subclass;
uint8_t ClassCode;
uint8_t cacheLineSize;
uint8_t LatencyTimer;
uint8_t HeaderType;
uint8_t BIST;
uint32_t BAR0[6];
uint32_t CardbusCISPointer;
uint16_t SubsystemVendorID;
uint16_t SubsystemDeviceID;
uint32_t ROM;
uint8_t Capabilities;
uint8_t Reserved[7];
uint8_t InterruptLine;
uint8_t InterruptPIN;
uint8_t MinGrant;
uint8_t MaxLatency;
};
#pragma pack()
static const char *sysFsDefaultGpuPath;
static const char *maxGpuFrequencyFile;
static const char *configFileName;
private:
int getParamIoctl(int param, int *dstValue);
};
} // namespace NEO