harmony 鸿蒙ScsiPeripheral_Request

2025-06-12 浏览 (1)

ScsiPeripheral_Request

Overview

Defines the request structure.

Since: 18

Related module: SCSI Peripheral DDK

Header file: scsi_peripheral_types.h

Summary

Member Variables

NameDescription
uint8_t commandDescriptorBlock [SCSIPERIPHERAL_MAX_CMD_DESC_BLOCK_LEN]Command descriptor block.
uint8_t cdbLengthLength of the command descriptor block.
int8_t dataTransferDirectionData transmission direction.
ScsiPeripheral_DeviceMemMap * dataBuffer for data transmission.
uint32_t timeoutTimeout duration, in ms.

Member Variable Description

cdbLength

uint8_t ScsiPeripheral_Request::cdbLength

Description

Length of the command descriptor block.

commandDescriptorBlock

uint8_t ScsiPeripheral_Request::commandDescriptorBlock[SCSIPERIPHERAL_MAX_CMD_DESC_BLOCK_LEN]

Description

Command descriptor block.

data

ScsiPeripheral_DeviceMemMap* ScsiPeripheral_Request::data

Description

Buffer for data transmission.

dataTransferDirection

int8_t ScsiPeripheral_Request::dataTransferDirection

Description

Data transmission direction.

timeout

uint32_t ScsiPeripheral_Request::timeout

Description

Timeout duration, in ms.

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