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Operating Systems Linux A question about libvirt and qemu support for "buslogic" Post 303025120 by Linusolaradm1 on Wednesday 24th of October 2018 07:42:03 PM
Old 10-24-2018
A question about libvirt and qemu support for "buslogic"

Simply and fast.
On this page I see


Code:
             When <controller type ='scsi'>, there is an optional attribute model model, which can have the following values:         
  • auto
  • buslogic
  • ibmvscsi
  • lsilogic

Buslogic appear a valid and supported controller,but on qemu said is unsupported


Code:
qemu-system-x86_64 -device lsi,help
lsi53c895a.rombar=uint32
lsi53c895a.x-pcie-lnksta-dllla=bool (on/off)
lsi53c895a.multifunction=bool (on/off)
lsi53c895a.romfile=str
lsi53c895a.x-pcie-extcap-init=bool (on/off)
lsi53c895a.command_serr_enable=bool (on/off)
lsi53c895a.addr=int32 (Slot and optional function number, example: 06.0 or 06)



qemu-system-x86_64 -device buslogic,help
qemu-system-x86_64: -device buslogic,help: Device 'buslogic' not found

The buslogic appear on my libvirt file


Code:
grep -ir buslogic /usr/share/libvirt/*
/usr/share/libvirt/schemas/domaincommon.rng:                  <value>buslogic</value>


Why is present if qemu don't support it?Is used by xen or other hypervisor?
 

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QEMU-NBD(8)															       QEMU-NBD(8)

NAME
qemu-nbd - QEMU Disk Network Block Device Server SYNOPSIS
usage: qemu-nbd [OPTION]... filename DESCRIPTION
Export Qemu disk image using NBD protocol. OPTIONS
filename is a disk image filename -p, --port=port port to listen on (default B<1024>) -o, --offset=offset offset into the image -b, --bind=iface interface to bind to (default B<0.0.0.0>) -k, --socket=path Use a unix socket with path I<path> -r, --read-only export read-only -P, --partition=num only expose partition I<num> -s, --snapshot use snapshot file -n, --nocache disable host cache -c, --connect connect FILE to NBD device DEV -d, --disconnect disconnect the specified device -e, --shared=num device can be shared by I<num> clients (default B<1>) -t, --persistent don't exit on the last connection -v, --verbose display extra debugging information -h, --help display this help and exit -V, --version output version information and exit SEE ALSO
qemu-img(1) AUTHOR
Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws>. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 2010-07-01 QEMU-NBD(8)
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