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authorPaolo Bonzini <pbonzini@redhat.com>2014-07-11 09:44:26 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2014-08-06 17:53:05 +0200
commit5692399f0af2b48b164b3c0b5c4c532b186b33ae (patch)
treec0159e0e33570c8232489b2bf7e09d5a62f8ba33 /qapi-schema.json
parent41a1a9c42c4e0fb5f1b94aa8b72e42f66ebde3d9 (diff)
downloadqemu-arm-5692399f0af2b48b164b3c0b5c4c532b186b33ae.tar.gz
backends: Introduce chr-testdev
From: Paolo Bonzini <pbonzini@redhat.com> chr-testdev enables a virtio serial channel to be used for guest initiated qemu exits. hw/misc/debugexit already enables guest initiated qemu exits, but only for PC targets. chr-testdev supports any virtio-capable target. kvm-unit-tests/arm is already making use of this backend. Currently there is a single command implemented, "q". It takes a (prefix) argument for the exit code, thus an exit is implemented by writing, e.g. "1q", to the virtio-serial port. It can be used as: $QEMU ... \ -device virtio-serial-device \ -device virtserialport,chardev=ctd -chardev testdev,id=ctd or, use: $QEMU ... \ -device virtio-serial-device \ -device virtconsole,chardev=ctd -chardev testdev,id=ctd to bind it to virtio-serial port0. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andrew Jones <drjones@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'qapi-schema.json')
-rw-r--r--qapi-schema.json3
1 files changed, 2 insertions, 1 deletions
diff --git a/qapi-schema.json b/qapi-schema.json
index b11aad2068..341f417a5f 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -2749,7 +2749,7 @@
#
# Configuration info for the new chardev backend.
#
-# Since: 1.4
+# Since: 1.4 (testdev since 2.2)
##
{ 'type': 'ChardevDummy', 'data': { } }
@@ -2764,6 +2764,7 @@
'mux' : 'ChardevMux',
'msmouse': 'ChardevDummy',
'braille': 'ChardevDummy',
+ 'testdev': 'ChardevDummy',
'stdio' : 'ChardevStdio',
'console': 'ChardevDummy',
'spicevmc' : 'ChardevSpiceChannel',