On 06/12/2014 10:47 AM, Puneet Bakshi wrote: > Adding subject. > > > On Thu, Jun 12, 2014 at 8:15 PM, Puneet Bakshi <bakshi.pun...@gmail.com > <mailto:bakshi.pun...@gmail.com>> wrote: > > Hi, > > I want to be able to install RPM packages (available in host system at > some path) to the online guest VM and want this facility to be available > as a tool. > > I am thinking of having a gemu guest agent (qemu-ga) running inside guest > VM. I did not find any available command ("virsh qemu-agent-command > <guest_vm> ...") which can do the same. > > I am planning to implement a command in qemu guest agent, which I can > invoke from virsh like below. > > "virsh qemu-agent-command vm_01 \ > '{"execute":"guest-rpm- > install", \ > "arguments":{"path":"/usr/local/bin/ABC.rpm"}} > > I am able to pass arguments from host to guest VM but how am I supposed to > pass the whole RPM image from host to guest (which the guest agent can > receive and install)? > > Basically, I want to know how can we do following in QEMU environment. > > 1. take some bulky file from host to guest > 2. perform some operation on that file > 3. get the result of that operation.
I like the VirtIO-9P passthrough filesystem for accessing host files from the guest. http://www.linux-kvm.org/page/9p_virtio (On ARM I've also used Angel semihosting, but you have to rip out some security checks to get it to work from userspace.) Christopher -- Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by the Linux Foundation.