Add tftp protocol support for cdrom disk

qemu/KVM also supports a tftp URL while specifying the cdrom ISO image.

The xml should be as following:

    <disk type='network' device='cdrom'>
      <source protocol='tftp' name='/url/path'>
        <host name='host.name' port='69'/>
      </source>
    </disk>

Signed-off-by: Aline Manera <alinefm@br.ibm.com>
This commit is contained in:
Aline Manera
2013-09-16 14:12:53 -03:00
committed by Daniel P. Berrange
parent 0f24393e60
commit 8ffe1d0c46
8 changed files with 64 additions and 1 deletions

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LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
/usr/bin/kvm -S \
-M pc-1.2 -m 1024 -smp 1 -nographic -nodefaults \
-monitor unix:/tmp/test-monitor,server,nowait -boot d -usb \
-drive file=tftp://host.name:69/url/path/file.iso,if=none,media=cdrom,id=drive-ide0-1-0 \
-device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 \
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3

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<domain type='kvm'>
<name>QEMUGuest1</name>
<uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
<memory unit='KiB'>1048576</memory>
<currentMemory unit='KiB'>1048576</currentMemory>
<vcpu placement='static'>1</vcpu>
<os>
<type arch='x86_64' machine='pc-1.2'>hvm</type>
<boot dev='cdrom'/>
</os>
<features>
<acpi/>
<apic/>
<pae/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<devices>
<emulator>/usr/bin/kvm</emulator>
<disk type='network' device='cdrom'>
<driver name='qemu' type='raw'/>
<source protocol='tftp' name='/url/path/file.iso'>
<host name='host.name' port='69'/>
</source>
<target dev='hdc' bus='ide'/>
<readonly/>
<alias name='ide0-1-0'/>
<address type='drive' controller='0' bus='1' target='0' unit='0'/>
</disk>
<controller type='usb' index='0'/>
<controller type='pci' index='0' model='pci-root'/>
<controller type='ide' index='0'/>
<memballoon model='virtio'/>
</devices>
</domain>