compute-runtime/level_zero/core/source/fence.h

57 lines
1.4 KiB
C++

/*
* Copyright (C) 2019-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/command_stream/csr_definitions.h"
#include "level_zero/core/source/cmdqueue.h"
#include "level_zero/core/source/cmdqueue_imp.h"
#include <level_zero/ze_fence.h>
#include <limits>
struct _ze_fence_handle_t {};
namespace L0 {
struct Fence : _ze_fence_handle_t {
static Fence *create(CommandQueueImp *cmdQueue, const ze_fence_desc_t *desc);
virtual ~Fence() = default;
virtual ze_result_t destroy() = 0;
virtual ze_result_t hostSynchronize(uint32_t timeout) = 0;
virtual ze_result_t queryStatus() = 0;
virtual ze_result_t reset() = 0;
static Fence *fromHandle(ze_fence_handle_t handle) { return static_cast<Fence *>(handle); }
inline ze_fence_handle_t toHandle() { return this; }
enum State : uint32_t {
STATE_SIGNALED = 0u,
STATE_CLEARED = std::numeric_limits<uint32_t>::max(),
STATE_INITIAL = STATE_CLEARED
};
enum EnqueueState : uint32_t { ENQUEUE_NOT_READY = 0u,
ENQUEUE_READY };
NEO::GraphicsAllocation &getAllocation() { return *allocation; }
uint64_t getGpuAddress() {
UNRECOVERABLE_IF(allocation == nullptr);
return allocation->getGpuAddress();
}
protected:
NEO::GraphicsAllocation *allocation = nullptr;
};
ze_result_t fenceDestroy(ze_fence_handle_t *phFence);
} // namespace L0