|UMASS(4)||Device Drivers Manual||UMASS(4)|
umass — USB Mass
Storage Devices driver
To compile this driver into the kernel, place the following line in your kernel configuration file:
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
umass driver provides support for Mass
Storage devices that attach to the USB port.
To use the
usb(4) and one of uhci(4) or
ohci(4) or ehci(4) or
xhci(4) must be configured in the kernel. Additionally,
umass uses the SCSI subsystem and sometimes
acts as a SCSI device, it requires da(4) and
scbus(4) to be included in the kernel.
device umass device scbus device da device pass
umass driver to the kernel.
camcontrol rescan 0:0:0 camcontrol rescan 0:0:1 camcontrol rescan 0:0:2 camcontrol rescan 0:0:3
Rescan all slots on a multi-slot flash reader, where the slots map to separate LUNs on a single SCSI ID. Typically only the first slot will be enabled at boot time. This assumes that the flash reader is the first SCSI bus in the system and has 4 slots.
cfumass(4), ehci(4), ohci(4), uhci(4), usb(4), xhci(4), camcontrol(8)
umass driver was written by
and Nick Hibma
This manual page was written by Nick Hibma <n_hibma@FreeBSD.org>.
|January 27, 2020||Debian|