Re: [Libvirt-cim] RFC : Introducing new CIM_RES_TYPE for 9pfs support on QEMU/KVM environment

> Deepak Shetty&lt;deepakcs(a)linux.vnet.ibm.com&gt; > Sent by: libvirt-cim-bounces(a)redhat.com > > 12/01/2011 06:23 AM > > Please respond to > List for discussion and development of libvirt CIM <libvirt-cim(a)redhat.com&gt; > To > > libvirt-cim(a)redhat.com > > cc > > Subject > > [Libvirt-cim] RFC : Introducing new CIM_RES_TYPE for 9pfs support on > QEMU/KVM environment > > Hi All, > I need some help and inputs on the below. > > 1) I am looking at adding support for 9pfs ( 9p file system) in > libvirt-cim. NOTE the support for the same already exists in libvirt& > qemu. > > 2) Using 9pfs support, user can export a host file system to the guest ( > domain). It uses the virtio framework, so its a passthru file system. > NOTE: This support is exported as a 9p-virtio-device to the guest. Each > host export path is exported as a pseudo 9p device to the guest. > NOTE: This is currently supported only in qemu/kvm environment. > > 3) The xml tags related to 9pfs in libvirt are... an example below... > > <filesystem type='mount'> > <driver type='handle'/> > <source dir='/tmp/virt1'/> > <target dir='test-lib'/> > <alias name='fs0'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> > </filesystem> Deepak, I am trying to understand your requirement and see what you need to do in libvirt-cim to enable 9pfs support. What in the above libvirt XML makes it specific to 9pfs? I am looking for special 'tags' or 'properties'. -Sharad Mishra

> The<filesystem> node comes directly under the<domain> node. > > My approach for introducing 9pfs support in libvirt-cim is ... > > 1) Add a new CIM res type, eg; CIM_RES_TYPE_9PFS, is this ok ? > > 2) Add appropriate handlers for the above new resource type > > 3) Add new members in struct domain for representing this new device type. > 4) Add appropriate xml parsing generation tags for the new resource type. > > 5) I probably need to add something like > KVM_9PFSResourceAllocationSettingData -- I am not very clear on this yet. > Need some help on how to do this ? > > Would appreciate inputs. > > thanx, > deepak > > _______________________________________________ > Libvirt-cim mailing list > Libvirt-cim(a)redhat.com > https://www.redhat.com/mailman/listinfo/libvirt-cim > _______________________________________________ Libvirt-cim mailing list Libvirt-cim(a)redhat.com https://www.redhat.com/mailman/listinfo/libvirt-cim