> ## Documentation Index
> Fetch the complete documentation index at: https://dragonwingdocs-staging.qualcomm.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Read Shared Memory Endpoint API

> This file contains Shared mem module APIs.

**Header:** `spf/api/modules/rd_sh_mem_ep_api.h`

## Structures

### `data_cmd_rd_sh_mem_ep_data_buffer_t`

**Members**

<ParamField path="buf_addr_lsw" type="uint32_t">
  Lower 32 bits of the address of the buffer.
</ParamField>

<ParamField path="buf_addr_msw" type="uint32_t">
  Upper 32 bits of the address of the buffer .
</ParamField>

<ParamField path="mem_map_handle" type="uint32_t">
  Unique identifier for the shared memory address.
</ParamField>

<ParamField path="buf_size" type="uint32_t">
  Number of bytes available for the spf to write.
</ParamField>

## Type Definitions

### `data_cmd_rd_sh_mem_ep_data_buffer_t`

Structure for DATA\_CMD\_RD\_SH\_MEM\_EP\_DATA\_BUFFER.

```cpp theme={null}
typedef struct data_cmd_rd_sh_mem_ep_data_buffer_t data_cmd_rd_sh_mem_ep_data_buffer_t
```

## Macros

### `DATA_CMD_RD_SH_MEM_EP_DATA_BUFFER`

```c theme={null}
#define DATA_CMD_RD_SH_MEM_EP_DATA_BUFFER 0x04001003
```