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/*
* Copyright (C) 2020-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/memory_manager/allocation_type.h"
#include "shared/source/memory_manager/graphics_allocation.h"
#include "shared/source/unified_memory/unified_memory.h"
#include "level_zero/core/source/helpers/api_handle_helper.h"
#include "level_zero/driver_experimental/zex_context.h"
#include <level_zero/ze_api.h>
#include <level_zero/zet_api.h>
struct _ze_context_handle_t : BaseHandleWithLoaderTranslation<ZEL_HANDLE_CONTEXT> {};
static_assert(IsCompliantWithDdiHandlesExt<_ze_context_handle_t>);
struct _ze_physical_mem_handle_t : BaseHandleWithLoaderTranslation<ZEL_HANDLE_PHYSICAL_MEM> {};
static_assert(IsCompliantWithDdiHandlesExt<_ze_physical_mem_handle_t>);
namespace NEO {
class Device;
}
namespace L0 {
struct DriverHandle;
struct Image;
class ContextExt;
#pragma pack(1)
struct IpcMemoryData {
uint64_t handle = 0;
uint64_t poolOffset = 0;
uint8_t type = 0;
};
#pragma pack()
static_assert(sizeof(IpcMemoryData) <= ZE_MAX_IPC_HANDLE_SIZE, "IpcMemoryData is bigger than ZE_MAX_IPC_HANDLE_SIZE");
enum class IpcHandleType : uint8_t {
fdHandle = 0,
ntHandle = 1,
maxHandle
};
#pragma pack(1)
struct IpcOpaqueMemoryData {
union IpcHandle {
int fd;
uint64_t reserved;
};
IpcHandle handle = {};
uint64_t poolOffset = 0;
unsigned int processId = 0;
IpcHandleType type = IpcHandleType::maxHandle;
uint8_t memoryType = 0;
};
#pragma pack()
static_assert(sizeof(IpcOpaqueMemoryData) <= ZE_MAX_IPC_HANDLE_SIZE, "IpcOpaqueMemoryData is bigger than ZE_MAX_IPC_HANDLE_SIZE");
struct IpcHandleTracking {
uint64_t refcnt = 0;
NEO::GraphicsAllocation *alloc = nullptr;
uint32_t handleId = 0;
uint64_t handle = 0;
uint64_t ptr = 0;
bool opaqueIpcHandle = false;
struct IpcMemoryData ipcData = {};
struct IpcOpaqueMemoryData opaqueData = {};
};
struct Context : _ze_context_handle_t {
inline static ze_memory_type_t parseUSMType(InternalMemoryType memoryType) {
switch (memoryType) {
case InternalMemoryType::sharedUnifiedMemory:
return ZE_MEMORY_TYPE_SHARED;
case InternalMemoryType::deviceUnifiedMemory:
case InternalMemoryType::reservedDeviceMemory:
return ZE_MEMORY_TYPE_DEVICE;
case InternalMemoryType::hostUnifiedMemory:
case InternalMemoryType::reservedHostMemory:
return ZE_MEMORY_TYPE_HOST;
default:
return ZE_MEMORY_TYPE_UNKNOWN;
}
return ZE_MEMORY_TYPE_UNKNOWN;
}
virtual ~Context() = default;
virtual ze_result_t destroy() = 0;
virtual ze_result_t getStatus() = 0;
virtual DriverHandle *getDriverHandle() = 0;
virtual ze_result_t allocHostMem(const ze_host_mem_alloc_desc_t *hostDesc,
size_t size,
size_t alignment,
void **ptr) = 0;
virtual ze_result_t allocDeviceMem(ze_device_handle_t hDevice,
const ze_device_mem_alloc_desc_t *deviceDesc,
size_t size,
size_t alignment, void **ptr) = 0;
virtual ze_result_t allocSharedMem(ze_device_handle_t hDevice,
const ze_device_mem_alloc_desc_t *deviceDesc,
const ze_host_mem_alloc_desc_t *hostDesc,
size_t size,
size_t alignment,
void **ptr) = 0;
virtual ze_result_t freeMem(const void *ptr) = 0;
virtual ze_result_t freeMem(const void *ptr, bool blocking) = 0;
virtual ze_result_t freeMemExt(const ze_memory_free_ext_desc_t *pMemFreeDesc,
void *ptr) = 0;
virtual ze_result_t registerMemoryFreeCallback(zex_memory_free_callback_ext_desc_t *pfnCallbackDesc, void *ptr) = 0;
virtual ze_result_t makeMemoryResident(ze_device_handle_t hDevice,
void *ptr,
size_t size) = 0;
virtual ze_result_t evictMemory(ze_device_handle_t hDevice,
void *ptr,
size_t size) = 0;
virtual ze_result_t makeImageResident(ze_device_handle_t hDevice, ze_image_handle_t hImage) = 0;
virtual ze_result_t evictImage(ze_device_handle_t hDevice, ze_image_handle_t hImage) = 0;
virtual ze_result_t getMemAddressRange(const void *ptr,
void **pBase,
size_t *pSize) = 0;
virtual ze_result_t closeIpcMemHandle(const void *ptr) = 0;
virtual ze_result_t putIpcMemHandle(ze_ipc_mem_handle_t ipcHandle) = 0;
virtual ze_result_t getIpcMemHandle(const void *ptr,
ze_ipc_mem_handle_t *pIpcHandle) = 0;
virtual ze_result_t getIpcHandleFromFd(uint64_t handle, ze_ipc_mem_handle_t *pIpcHandle) = 0;
virtual ze_result_t getFdFromIpcHandle(ze_ipc_mem_handle_t ipcHandle, uint64_t *pHandle) = 0;
virtual ze_result_t
getIpcMemHandles(
const void *ptr,
uint32_t *numIpcHandles,
ze_ipc_mem_handle_t *pIpcHandles) = 0;
virtual ze_result_t
openIpcMemHandles(
ze_device_handle_t hDevice,
uint32_t numIpcHandles,
ze_ipc_mem_handle_t *pIpcHandles,
ze_ipc_memory_flags_t flags,
void **pptr) = 0;
virtual ze_result_t openIpcMemHandle(ze_device_handle_t hDevice,
const ze_ipc_mem_handle_t &handle,
ze_ipc_memory_flags_t flags,
void **ptr) = 0;
virtual ze_result_t getMemAllocProperties(const void *ptr,
ze_memory_allocation_properties_t *pMemAllocProperties,
ze_device_handle_t *phDevice) = 0;
virtual ze_result_t getImageAllocProperties(Image *image,
ze_image_allocation_ext_properties_t *pAllocProperties) = 0;
virtual ze_result_t setAtomicAccessAttribute(ze_device_handle_t hDevice, const void *ptr, size_t size, ze_memory_atomic_attr_exp_flags_t attr) = 0;
virtual ze_result_t getAtomicAccessAttribute(ze_device_handle_t hDevice, const void *ptr, size_t size, ze_memory_atomic_attr_exp_flags_t *pAttr) = 0;
virtual ze_result_t createModule(ze_device_handle_t hDevice,
const ze_module_desc_t *desc,
ze_module_handle_t *phModule,
ze_module_build_log_handle_t *phBuildLog) = 0;
virtual ze_result_t createSampler(ze_device_handle_t hDevice,
const ze_sampler_desc_t *pDesc,
ze_sampler_handle_t *phSampler) = 0;
virtual ze_result_t createCommandQueue(ze_device_handle_t hDevice,
const ze_command_queue_desc_t *desc,
ze_command_queue_handle_t *commandQueue) = 0;
virtual ze_result_t createCommandList(ze_device_handle_t hDevice,
const ze_command_list_desc_t *desc,
ze_command_list_handle_t *commandList) = 0;
virtual ze_result_t createCommandListImmediate(ze_device_handle_t hDevice,
const ze_command_queue_desc_t *desc,
ze_command_list_handle_t *commandList) = 0;
virtual ze_result_t activateMetricGroups(zet_device_handle_t hDevice,
uint32_t count,
zet_metric_group_handle_t *phMetricGroups) = 0;
virtual ze_result_t reserveVirtualMem(const void *pStart,
size_t size,
void **pptr) = 0;
virtual ze_result_t freeVirtualMem(const void *ptr,
size_t size) = 0;
virtual ze_result_t queryVirtualMemPageSizeWithStartAddress(ze_device_handle_t hDevice,
const void *pStart,
size_t size,
size_t *pagesize) = 0;
virtual ze_result_t queryVirtualMemPageSize(ze_device_handle_t hDevice,
size_t size,
size_t *pagesize) = 0;
virtual ze_result_t createPhysicalMem(ze_device_handle_t hDevice,
ze_physical_mem_desc_t *desc,
ze_physical_mem_handle_t *phPhysicalMemory) = 0;
virtual ze_result_t destroyPhysicalMem(ze_physical_mem_handle_t hPhysicalMemory) = 0;
virtual ze_result_t mapVirtualMem(const void *ptr,
size_t size,
ze_physical_mem_handle_t hPhysicalMemory,
size_t offset,
ze_memory_access_attribute_t access) = 0;
virtual ze_result_t unMapVirtualMem(const void *ptr,
size_t size) = 0;
virtual ze_result_t setVirtualMemAccessAttribute(const void *ptr,
size_t size,
ze_memory_access_attribute_t access) = 0;
virtual ze_result_t getVirtualMemAccessAttribute(const void *ptr,
size_t size,
ze_memory_access_attribute_t *access,
size_t *outSize) = 0;
virtual ze_result_t openEventPoolIpcHandle(const ze_ipc_event_pool_handle_t &ipcEventPoolHandle,
ze_event_pool_handle_t *eventPoolHandle) = 0;
virtual ze_result_t createEventPool(const ze_event_pool_desc_t *desc,
uint32_t numDevices,
ze_device_handle_t *phDevices,
ze_event_pool_handle_t *phEventPool) = 0;
virtual ze_result_t createImage(ze_device_handle_t hDevice,
const ze_image_desc_t *desc,
ze_image_handle_t *phImage) = 0;
virtual ze_result_t getVirtualAddressSpaceIpcHandle(ze_device_handle_t hDevice,
ze_ipc_mem_handle_t *pIpcHandle) = 0;
virtual ze_result_t putVirtualAddressSpaceIpcHandle(ze_ipc_mem_handle_t ipcHandle) = 0;
virtual ze_result_t lockMemory(ze_device_handle_t hDevice, void *ptr, size_t size) = 0;
virtual bool isShareableMemory(const void *exportDesc, bool exportableMemory, NEO::Device *neoDevice, bool shareableWithoutNTHandle) = 0;
virtual void *getMemHandlePtr(ze_device_handle_t hDevice, uint64_t handle, NEO::AllocationType allocationType, unsigned int processId, ze_ipc_memory_flags_t flags) = 0;
virtual void getDataFromIpcHandle(ze_device_handle_t hDevice, const ze_ipc_mem_handle_t ipcHandle, uint64_t &handle, uint8_t &type, unsigned int &processId, uint64_t &poolOffset) = 0;
virtual bool isOpaqueHandleSupported(IpcHandleType *handleType) = 0;
virtual ze_result_t getPitchFor2dImage(
ze_device_handle_t hDevice,
size_t imageWidth,
size_t imageHeight,
unsigned int elementSizeInBytes,
size_t *rowPitch) = 0;
static Context *fromHandle(ze_context_handle_t handle) { return static_cast<Context *>(handle); }
inline ze_context_handle_t toHandle() { return this; }
virtual ContextExt *getContextExt() = 0;
};
} // namespace L0
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