---
title: ADXL数据结构
description: "内存的类型。"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/API/hixlug/llmcrv2_42_50.html
sourcePath: /source/zh/canncommercial/900/API/hixlug/llmcrv2_42_50.html
indexId: 0ce12ec8fe3a2869f2014de28fa470941f109ae876189003de061d071860331559
---
# ADXL数据结构

#### MemType

内存的类型。

```
enum MemType {
  MEM_DEVICE,
  MEM_HOST
}
```


#### TransferOp

传输操作的类型。

```
enum TransferOp {
  READ,
  WRITE
}
```


#### MemDesc

内存的描述信息。

```
struct MemDesc {
  uintptr_t addr;
  size_t len;
  uint8_t reserved[128] = {};
}
```


#### TransferOpDesc

传输操作的描述信息。

```
struct TransferOpDesc {
  uintptr_t local_addr;
  uintptr_t remote_addr;
  size_t len;
}
```


#### MemHandle

注册内存的Handle。

```
using MemHandle = void *;
```


#### NotifyDesc

Notify的描述信息。

```
struct NotifyDesc {
  AscendString name;
  AscendString notify_msg;
}
```