KVM syscalls

Simon Connah simon.n.connah at protonmail.com
Sun Jul 11 15:18:23 EDT 2021

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐

On Sunday, July 11th, 2021 at 18:52, Greg KH <greg at kroah.com> wrote:

> On Sun, Jul 11, 2021 at 05:36:12PM +0000, Simon Connah wrote:

> > Hi,
> > 

> > I hope this is an appropriate place to post this question. I want to make a very simple frontend to KVM, but I have no idea what syscalls the Linux kernel exposes to allow userspace programs to work with KVM virtual machines. Can someone point me in the right direction, please? I have no idea where to look for this information.

> Look at the include/uapi/linux/kvm* files, that is the interface between

> userspace and the kernel for KVM.

> But you might want to look at using something like libvirt, which

> handles most of this already for you. Or look at the source for libvirt

> if you want to do it all yourself.

> Good luck!

> greg k-h

Thank you, Greg. That was very helpful. I was going to try and avoid libvirt and roll my own software and see how I get on (I wanted a project to learn Rust with).

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