RE: [PATCH v3 00/21] LIBVIRT: X86: TDX support

-----Original Message----- From: Daniel P. Berrangé <berrange(a)redhat.com&gt; Subject: Re: [PATCH v3 00/21] LIBVIRT: X86: TDX support On Mon, Jun 30, 2025 at 02:17:11PM +0800, Zhenzhong Duan wrote: > Hi, > > This series brings libvirt the x86 TDX support. > > * What's TDX? > TDX stands for Trust Domain Extensions which isolates VMs from > the virtual-machine manager (VMM)/hypervisor and any other software on > the platform. > > This patchset extends libvirt to support TDX, with which one can start a TDX > guest from high level rather than running qemu directly. > > * Misc > As QEMU use a software emulated way to reset guest which isn't supported by TDX > guest for security reason. We simulate reboot for TDX guest by kill and create a > new one in FakeReboot framework. > > Complete code can be found at [1]. > > * Test > Tested with upstream qemu v10.0.0-1724-gf9a3def17b > shutdown/reboot/reset with virsh > shutdown/reboot trigger in guest > shutdown with on_poweroff=destroy/restart > reboot with on_reboot=destroy/restart FYI when I have a guest crash libvirt logs error : qemuMonitorJSONGuestPanicExtractInfo:638 : internal error: unknown panic info type 'tdx' this is a new type of panic data structure from upstream QEMU that libvirt needs to handle in some way