06-04-2007
the array is held in the kernel and a kernel call do_XXXXX prints it out. these are the specifications.
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LEARN ABOUT FREEBSD
virtio_scsi
VIRTIO_SCSI(4) BSD Kernel Interfaces Manual VIRTIO_SCSI(4)
NAME
virtio_scsi -- VirtIO SCSI driver
SYNOPSIS
To compile this driver into the kernel, place the following lines in your kernel configuration file:
device virtio_scsi
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
virtio_scsi_load="YES"
DESCRIPTION
The virtio_scsi device driver provides support for VirtIO SCSI devices.
LOADER TUNABLES
Tunables can be set at the loader(8) prompt before booting the kernel or stored in loader.conf(5).
hw.vtscsi.bus_reset_disable
In the initial QEMU release with VirtIO SCSI support, in-flight operations were not aborted when stopping the device, rendering bus
reset ineffective. This tunable disables attempts to issue reset bus commands. The default value is 1.
DEBUGGING
To enable debugging prints from the virtio_scsi driver, set the
hw.vtscsi.X.debug_level
variable, where X is the adapter number, either in loader.conf(5) or via sysctl(8). The following bits have the described effects:
0x01 Enable informational prints.
0x02 Enable prints for driver errors.
0x04 Enable tracing prints.
SEE ALSO
virtio(4)
HISTORY
The virtio_scsi driver was written by Bryan Venteicher <bryanv@FreeBSD.org>. It first appeared in FreeBSD 10.0.
BSD
June 24, 2012 BSD