Add support to the runqemu script for a new option, 'guestagent', that
enables the virtio serial port for host-to-guest communication.
Signed-off-by: Brenda Streiff <brenda.stre...@ni.com>
Signed-off-by: Clément Péron <peron.c...@gmail.com>
---
scripts/runqemu | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/scripts/runqemu b/scripts/runqemu
index 58b0c191e1..38aa35fdd4 100755
--- a/scripts/runqemu
+++ b/scripts/runqemu
@@ -82,6 +82,7 @@ of the following environment variables (in any order):
kvm-vhost - enable KVM with vhost when running x86/x86_64 (VT-capable CPU
required)
publicvnc - enable a VNC server open to all hosts
audio - enable audio
+ guestagent - enable guest agent communication
[*/]ovmf* - OVMF firmware file or base name for booting with UEFI
tcpserial=<port> - specify tcp serial port number
qemuparams=<xyz> - specify custom parameters to QEMU
@@ -216,6 +217,8 @@ class BaseConfig(object):
self.cleaned = False
# Files to cleanup after run
self.cleanup_files = []
+ self.guest_agent = False
+ self.guest_agent_sockpath = '/tmp/qga.sock'
def acquire_taplock(self, error=True):
logger.debug("Acquiring lockfile %s..." % self.taplock)
@@ -526,6 +529,10 @@ class BaseConfig(object):
elif arg == 'publicvnc':
self.publicvnc = True
self.qemu_opt_script += ' -vnc :0'
+ elif arg == 'guestagent':
+ self.guest_agent = True
+ elif arg.startswith('guestagent-sockpath='):
+ self.guest_agent_sockpath = '%s' %
arg[len('guestagent-sockpath='):]
elif arg.startswith('tcpserial='):
self.tcpserial_portnum = '%s' % arg[len('tcpserial='):]
elif arg.startswith('qemuparams='):
@@ -1375,6 +1382,12 @@ class BaseConfig(object):
except FileNotFoundError:
raise RunQemuError("/dev/dri directory does not exist; no render
nodes available on this machine. %s" %(render_hint))
+ def setup_guest_agent(self):
+ if self.guest_agent == True:
+ self.qemu_opt += ' -chardev socket,path=' +
self.guest_agent_sockpath + ',server,nowait,id=qga0 '
+ self.qemu_opt += ' -device virtio-serial '
+ self.qemu_opt += ' -device
virtserialport,chardev=qga0,name=org.qemu.guest_agent.0 '
+
def setup_vga(self):
if self.nographic == True:
if self.sdl == True:
@@ -1506,6 +1519,7 @@ class BaseConfig(object):
if self.snapshot:
self.qemu_opt += " -snapshot"
+ self.setup_guest_agent()
self.setup_serial()
self.setup_vga()
--
2.34.1
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