On Thu, 2015-09-17 at 14:48 -0700, Nicholas A. Bellinger wrote:
> On Thu, 2015-09-17 at 14:20 -0700, Ming Lin wrote:
> > Hi list,
> >
> > root@ssi:/sys/kernel/config/target# uname -r
> > 4.2.0-rc2
> >
> > root@ssi:~# targetcli
> > targetcli GIT_VERSION (rtslib GIT_VERSION)
> > Copyright (c) 2011-2013 by Datera, Inc.
> > All rights reserved.
> > Loaded tcm_qla2xxx kernel module.
> > Created '/sys/kernel/config/target/qla2xxx'.
> > Loaded ib_srpt kernel module.
> > Created '/sys/kernel/config/target/srpt'.
> > Loaded tcm_fc kernel module.
> > Created '/sys/kernel/config/target/fc'.
> > Loaded tcm_loop kernel module.
> > Created '/sys/kernel/config/target/loopback'.
> > Loaded iscsi_target_mod kernel module.
> > Created '/sys/kernel/config/target/iscsi'.
> >
> > root@ssi:/sys/kernel/config/target# ls
> > core fc iscsi loopback qla2xxx srpt version
> >
> > It seems targetcli didn't load vhost_scsi kernel module.
> > Then I loaded it manually.
> >
> > root@ssi:/sys/kernel/config/target# lsmod |grep target_core_mod
> > target_core_mod 344064 11
> > tcm_qla2xxx,iscsi_target_mod,tcm_fc,ib_srpt,vhost_scsi,tcm_loop
> > configfs 36864 3 iscsi_target_mod,target_core_mod
> >
> > /> ls
> > o- / .........................................................................................................................
> > [...]
> > o- backstores
> > ..............................................................................................................
> > [...]
> > | o- fileio ...................................................................................................
> > [0 Storage Object]
> > | o- iblock ...................................................................................................
> > [0 Storage Object]
> > | o- pscsi ....................................................................................................
> > [0 Storage Object]
> > | o- rd_dr ....................................................................................................
> > [0 Storage Object]
> > | o- rd_mcp ...................................................................................................
> > [0 Storage Object]
> > o- ib_srpt ...........................................................................................................
> > [0 Targets]
> > o- iscsi .............................................................................................................
> > [0 Targets]
> > o- loopback ..........................................................................................................
> > [0 Targets]
> > o- qla2xxx ...........................................................................................................
> > [0 Targets]
> > o- tcm_fc ............................................................................................................
> > [0 Targets]
> >
> > But I still didn't see "vhost".
> >
> > Any clue?
>
> It looks like you're missing /var/target/fabric/vhost.spec:
>
> root@scsi-mq:~# cat /var/target/fabric/vhost.spec
> # The fabric module feature set
> features = nexus, tpgts
>
> # Use naa WWNs.
> wwn_type = naa
>
> # Non-standard module naming scheme
> kernel_module = vhost_scsi
Mine was:
kernel_module = tcm_vhost
Now it works!
/> ls /
o- / ......................................................................................................................... [...]
o- backstores .............................................................................................................. [...]
| o- fileio ................................................................................................... [1 Storage Object]
| | o- mystore ........................................................................................... [mystore.img activated]
| o- iblock ................................................................................................... [0 Storage Object]
| o- pscsi .................................................................................................... [0 Storage Object]
| o- rd_dr .................................................................................................... [0 Storage Object]
| o- rd_mcp ................................................................................................... [0 Storage Object]
o- ib_srpt ........................................................................................................... [0 Targets]
o- iscsi ............................................................................................................. [0 Targets]
o- loopback .......................................................................................................... [0 Targets]
o- qla2xxx ........................................................................................................... [0 Targets]
o- tcm_fc ............................................................................................................ [0 Targets]
o- vhost .............................................................................................................. [1 Target]
o- naa.600140579f913a39 ................................................................................................ [1 TPG]
o- tpgt1 .............................................................................................. [naa.600140520feb11c3]
o- luns ............................................................................................................ [1 LUN]
o- lun0 ................................................................................... [fileio/mystore (mystore.img)]
And now I can play with qemu/vhost-scsi.
qemu-system-x86_64 -device vhost-scsi-pci,wwpn=naa.600140579f913a39
Thanks Nic!
>
> # The configfs group
> configfs_group = vhost
>
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