The cam(4) driver now supports SEMB (SATA Enclosure Management Bridge) products, which are equivalent to the SCSI SES/SAF-TE devices. This controls whether or not exclusive PMP ports this sort of as PMP (Port MultiPlier) configuration or SEMB (SATA Enclosure Management Bridge) will be exposed or concealed. This controls no matter if it tries to attach an AHCI-capable gadget even if it is configured to use legacy emulation.