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Date: Wed, 19 Apr 2023 08:18:53 +0200
From: "Gerd Hoffmann" <kraxel@redhat.com>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: devel@edk2.groups.io, Stefan Berger <stefanb@linux.ibm.com>, 
	Julien Grall <julien@xen.org>, Anthony Perard <anthony.perard@citrix.com>, 
	Ard Biesheuvel <ardb+tianocore@kernel.org>, Jordan Justen <jordan.l.justen@intel.com>, 
	Pawel Polawski <ppolawsk@redhat.com>, Oliver Steffen <osteffen@redhat.com>, 
	=?utf-8?Q?Marc-Andr=C3=A9?= Lureau <marcandre.lureau@redhat.com>, Jiewen Yao <jiewen.yao@intel.com>
Subject: Re: [PATCH 0/4] OvmfPkg: add virtio serial driver
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On Tue, Apr 18, 2023 at 05:46:35PM +0200, Ard Biesheuvel wrote:
> 
> This seems useful - how do I use it?

bare qemu (with guest console on stdin/stdout):

qemu-system-x86_64 \
	-enable-kvm -nodefaults -display none \
	-bios Build/OvmfX64/DEBUG_GCC5/FV/OVMF.fd \
	-chardev stdio,id=hvc0 \
	-device virtio-serial-pci \
	-device virtconsole,chardev=hvc0

libvirt snippet (add to <devices>):

    <console type='pty'>
      <target type='virtio' port='0'/>
    </console>

take care,
  Gerd