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These are optional properties, typically created by the system, for SCSI target devices. References to these properties should use their sys/scsi/impl/inquiry.h defined names.
inquiry-device-type is an integer property. When present, the least significant byte of the value indicates the device type as defined by the SCSI standard. Consumers of this property should compare the property values with DTYPE_* values defined in sys/scsi/generic/inquiry.h.
inquiry-vendor-id is a string property. When present, it contains the vendor information. This information typically comes from the scsi_inquiry(9S) "inq_vid" field.
inquiry-product-id is a string property. When present, it contains the product identification. This information typically comes from the scsi_inquiry(9S) "inq_pid" field.
inquiry-revision-id is a string property. When present, it contains the product revision. This revision typically comes from the scsi_inquiry(9S) "inq_rev" field.
inquiry-serial-no is a string property. When present, it contains the serial number. The serial number is typically obtained from the EVPD "Unit Serial Number" SCSI INQUIRY data (page 0x80).
scsi_inquiry(9S)
Writing Device Drivers
Values established at tran_tgt_init(9E) time by an HBA driver take precedence over values established by the system, and HBA driver values may not be the same length as the typical scsi_inquiry(9S) field.