harmony 鸿蒙ScsiPeripheral_InquiryRequest
ScsiPeripheral_InquiryRequest
Overview
Defines the request structure of the inquiry command.
Since: 18
Related module: SCSI Peripheral DDK
Header file: scsi_peripheral_types.h
Summary
Member Variables
| Name | Description |
|---|---|
| uint8_t pageCode | Page code field. Set this filed if you want to obtain certain types of device information. When an Inquiry command with a specific page code is run, the device returns details related to the page code. If the page code is set to 0x00, it indicates that the standard inquiry data rather than the data of specific pages is requested. |
| uint16_t allocationLength | Allocation length field used to specify the size of the buffer prepared by the request initiator (usually the host) for the response data. |
| uint8_t control | Control field used to specify control information. |
| uint8_t byte1 | First byte of the CDB. |
| uint32_t timeout | Timeout duration, in ms. |
Member Variable Description
allocationLength
uint16_t ScsiPeripheral_InquiryRequest::allocationLength
Description
Allocation length field used to specify the size of the buffer prepared by the request initiator (usually the host) for the response data.
byte1
uint8_t ScsiPeripheral_InquiryRequest::byte1
Description
First byte of the CDB.
control
uint8_t ScsiPeripheral_InquiryRequest::control
Description
Control field used to specify control information.
pageCode
uint8_t ScsiPeripheral_InquiryRequest::pageCode
Description
Page code field. Set this filed if you want to obtain certain types of device information. When an Inquiry command with a specific page code is run, the device returns details related to the page code. If the page code is set to 0x00, it indicates that the standard inquiry data rather than the data of specific pages is requested.
timeout
uint32_t ScsiPeripheral_InquiryRequest::timeout
Description
Timeout duration, in ms.
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