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

57 lines
1.7 KiB
C++

/*
* Copyright (C) 2021 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "igfxfmid.h"
#include <cstddef>
#include <cstdint>
#include <memory>
struct drm_i915_gem_create_ext;
struct drm_i915_gem_memory_class_instance;
namespace NEO {
class Drm;
class LocalMemoryHelper;
extern LocalMemoryHelper *localMemoryHelperFactory[IGFX_MAX_PRODUCT];
class LocalMemoryHelper {
public:
static LocalMemoryHelper *get(PRODUCT_FAMILY product) {
auto localMemHelper = localMemoryHelperFactory[product];
if (!localMemHelper) {
return localMemoryHelperFactory[IGFX_DG1];
}
return localMemHelper;
}
static uint32_t ioctl(Drm *drm, unsigned long request, void *arg);
virtual uint32_t createGemExt(Drm *drm, void *data, uint32_t dataSize, size_t allocSize, uint32_t &handle) = 0;
virtual std::unique_ptr<uint8_t[]> translateIfRequired(uint8_t *dataQuery, int32_t length) = 0;
};
template <PRODUCT_FAMILY gfxProduct>
class LocalMemoryHelperImpl : public LocalMemoryHelper {
public:
static LocalMemoryHelper *get() {
static LocalMemoryHelperImpl<gfxProduct> instance;
return &instance;
}
uint32_t createGemExt(Drm *drm, void *data, uint32_t dataSize, size_t allocSize, uint32_t &handle) override;
std::unique_ptr<uint8_t[]> translateIfRequired(uint8_t *dataQuery, int32_t length);
};
template <PRODUCT_FAMILY gfxProduct>
struct EnableProductLocalMemoryHelper {
EnableProductLocalMemoryHelper() {
LocalMemoryHelper *plocalMemHelper = LocalMemoryHelperImpl<gfxProduct>::get();
localMemoryHelperFactory[gfxProduct] = plocalMemHelper;
}
};
} // namespace NEO