Comment 0 for bug 1511006

Calling iscsi ibft a 'virtual' thing is a bit questionable.

That said, I was looking at ibft using qemu and ipxe. The cloud images do not have the iscsi_ibft module included, so you can't read the information out of /sys/firmware/ibft until you have it.

Given a iscsi target at 192.168.1.131::3260:1:mytest (format is described at http://etherboot.org/wiki/sanboot/iscsi_boot) with a cloud image populated (or other bootable data) you can boot from that via:

qemu-system-x86_64 -enable-kvm -m 1024 -curses \
   -kernel /usr/lib/ipxe/ipxe.lkrn -append 'dhcp && sanboot iscsi:192.168.1.131::3260:1:mytest'

The ipxe.lkrn file is in the 'ipxe' package, and tested above on wily.

If the open-iscsi package is installed in the image and the modules available, in the initramfs you can then do:

(initramfs) modprobe iscsi_ibft
[ 11.444414] iBFT detected.
(initramfs) cat /sys/firmware/ibft/target0/nic-assoc
0
(initramfs) cat /sys/firmware/ibft/target0/target-name
mytest
(initramfs) cat /sys/firmware/ibft/target0/port
3260
(initramfs) cat /sys/firmware/ibft/ethernet0/mac
52:54:00:12:34:56
(initramfs) for x in /sys/class/net/*/address; do echo $x; cat $x; done
/sys/class/net/eth0/address
52:54:00:12:34:56
/sys/class/net/lo/address
00:00:00:00:00:00

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-16-generic 4.2.0-16.19
ProcVersionSignature: User Name 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic x86_64
AlsaDevices:
 total 0
 crw-rw---- 1 root audio 116, 1 Oct 27 14:58 seq
 crw-rw---- 1 root audio 116, 33 Oct 27 14:58 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.19.1-0ubuntu4
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CRDA: N/A
Date: Wed Oct 28 15:50:04 2015
Ec2AMI: ami-00000661
Ec2AMIManifest: FIXME
Ec2AvailabilityZone: nova
Ec2InstanceType: m1.small
Ec2Kernel: unavailable
Ec2Ramdisk: None
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: OpenStack Foundation OpenStack Nova
PciMultimedia:

ProcEnviron:
 TERM=screen
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-16-generic root=LABEL=cloudimg-rootfs ro console=tty1 console=ttyS0
RelatedPackageVersions:
 linux-restricted-modules-4.2.0-16-generic N/A
 linux-backports-modules-4.2.0-16-generic N/A
 linux-firmware N/A
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/01/2014
dmi.bios.vendor: SeaBIOS
dmi.bios.version: 1.7.5-20150310_111955-batsu
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.version: pc-i440fx-utopic
dmi.modalias: dmi:bvnSeaBIOS:bvr1.7.5-20150310_111955-batsu:bd04/01/2014:svnOpenStackFoundation:pnOpenStackNova:pvr2015.1.1:cvnQEMU:ct1:cvrpc-i440fx-utopic:
dmi.product.name: OpenStack Nova
dmi.product.version: 2015.1.1
dmi.sys.vendor: OpenStack Foundation