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/*
* Copyright (C) 2017-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/utilities/stackvec.h"
#include "drm/i915_drm.h"
#include "engine_limits.h"
#include <array>
#include <atomic>
#include <cstddef>
#include <stdint.h>
#include <vector>
struct drm_i915_gem_exec_object2;
struct drm_i915_gem_relocation_entry;
namespace NEO {
class DrmMemoryManager;
class Drm;
class OsContext;
class BufferObject {
friend DrmMemoryManager;
public:
BufferObject(Drm *drm, int handle, size_t size, size_t maxOsContextCount);
MOCKABLE_VIRTUAL ~BufferObject() = default;
struct Deleter {
void operator()(BufferObject *bo) {
bo->close();
delete bo;
}
};
bool setTiling(uint32_t mode, uint32_t stride);
int pin(BufferObject *const boToPin[], size_t numberOfBos, OsContext *osContext, uint32_t vmHandleId, uint32_t drmContextId);
MOCKABLE_VIRTUAL int validateHostPtr(BufferObject *const boToPin[], size_t numberOfBos, OsContext *osContext, uint32_t vmHandleId, uint32_t drmContextId);
int exec(uint32_t used, size_t startOffset, unsigned int flags, bool requiresCoherency, OsContext *osContext, uint32_t vmHandleId, uint32_t drmContextId, BufferObject *const residency[], size_t residencyCount, drm_i915_gem_exec_object2 *execObjectsStorage);
int bind(OsContext *osContext, uint32_t vmHandleId);
int unbind(OsContext *osContext, uint32_t vmHandleId);
void printExecutionBuffer(drm_i915_gem_execbuffer2 &execbuf, const size_t &residencyCount, drm_i915_gem_exec_object2 *execObjectsStorage, BufferObject *const residency[]);
int wait(int64_t timeoutNs);
bool close();
inline void reference() {
this->refCount++;
}
uint32_t getRefCount() const;
size_t peekSize() const { return size; }
int peekHandle() const { return handle; }
uint64_t peekAddress() const { return gpuAddress; }
void setAddress(uint64_t address) { this->gpuAddress = address; }
void *peekLockedAddress() const { return lockedAddress; }
void setLockedAddress(void *cpuAddress) { this->lockedAddress = cpuAddress; }
void setUnmapSize(uint64_t unmapSize) { this->unmapSize = unmapSize; }
uint64_t peekUnmapSize() const { return unmapSize; }
bool peekIsReusableAllocation() const { return this->isReused; }
void addBindExtHandle(uint32_t handle);
StackVec<uint32_t, 2> &getBindExtHandles() { return bindExtHandles; }
void markForCapture() {
allowCapture = true;
}
bool isMarkedForCapture() {
return allowCapture;
}
protected:
Drm *drm = nullptr;
bool perContextVmsUsed = false;
std::atomic<uint32_t> refCount;
int handle; // i915 gem object handle
uint64_t size;
bool isReused;
//Tiling
uint32_t tiling_mode;
bool allowCapture = false;
uint32_t getOsContextId(OsContext *osContext);
MOCKABLE_VIRTUAL void fillExecObject(drm_i915_gem_exec_object2 &execObject, OsContext *osContext, uint32_t vmHandleId, uint32_t drmContextId);
void fillExecObjectImpl(drm_i915_gem_exec_object2 &execObject, OsContext *osContext, uint32_t vmHandleId);
uint64_t gpuAddress = 0llu;
void *lockedAddress; // CPU side virtual address
uint64_t unmapSize = 0;
std::vector<std::array<bool, EngineLimits::maxHandleCount>> bindInfo;
StackVec<uint32_t, 2> bindExtHandles;
};
} // namespace NEO
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