openharmony 鸿蒙 capi-scsiperipheralddk-scsiperipheral-iorequest

2026-08-25 浏览 (1)

ScsiPeripheral_IORequest

typedef struct ScsiPeripheral_IORequest {...} ScsiPeripheral_IORequest

Overview

Defines the read/write operation request.

Since: 18

Related module: ScsiPeripheralDDK

Header file: scsi_peripheral_types.h

Summary

Member Variables

NameDescription
uint32_t lbAddressStart address of a logical block.
uint16_t transferLengthNumber of consecutive logical blocks to be operated.
uint8_t controlControl field used to specify control information.
uint8_t byte1First byte of the CDB.
uint8_t byte6Sixth byte of the CDB.
ScsiPeripheral_DeviceMemMap* dataBuffer for data transmission.
uint32_t timeoutTimeout duration, in ms.

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