Re: [Kimchi-devel] Host Device Passthrough UI Task Discussion

+1 On 07/16/2014 03:33 AM, Zhou Zheng Sheng wrote: > Hi, > > As in Kimchi 1.3 TODO list > (https://github.com/kimchi-project/kimchi/wiki/Todo-1.3), there is a > task of passthrough support. It is to enable Kimchi to assign hos > devices directly to a VM, thus greately improve VM performance. > Currently we support assigning PCI device, USB device and SCSI LUN. For > example, we can assign an NIC to VM to improve guest network throughput, > or passthrough a USB camera to enable the guest OS to record video. > > The back-end patch also handles PCI device grouping (attach and detach > all devices in the same iommu group together) and provides some other > useful features. Since the due day is near, I think we can come up with > an easy and simple UI for 1.3, and mark this feature as experimental. > Then we improve it in future releases. So in this release we may only > expose PCI devices to user and don't mention the iommu grouping logic. > > For this version I think we may provide the following operations to the > user. > > In the VM edit window, initially, the user sees a list of PCI devices > already assigned to the VM. This maps to GET vms/VM_NAME/hostdevs. > > In edit mode, the user can detach device. This maps to DELETE > vms/VM_NAME/hostdevs/DEVICE_NAME. > > The user can also select device to attach to VM from a list. The listing > of eligible devices is mapped to GET > host/devices?_passthrough=true&_cap=pci. > > To attach a device, just POST a dict containing only the device name to > vms/VM_NAME/hostdevs. > > I think these operations forms a basic interaction to enable user to > consume this feature. It may be feasible to finish them before the due day. > _______________________________________________ Kimchi-devel mailing list Kimchi-devel(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/kimchi-devel