[libvirt] [PATCH 3/4] qemu: Generate command line for notify VM exit feature

From: Lin Ma <lma(a)suse.de&gt; Signed-off-by: Lin Ma <lma(a)suse.de&gt; --- src/qemu/qemu_command.c | 20 +++++++++++++++++--- tests/qemuxml2argvdata/kvm-features.args | 2 +- 2 files changed, 18 insertions(+), 4 deletions(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index b82ec4508c..cd9b77497e 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -7066,9 +7066,23 @@ qemuBuildAccelCommandLine(virCommand *cmd, * not that either kvm or tcg can be specified by libvirt * so do not worry about the conflict of specifying both * */ - if (def->features[VIR_DOMAIN_FEATURE_KVM] == VIR_TRISTATE_SWITCH_ON && - def->kvm_features->features[VIR_DOMAIN_KVM_DIRTY_RING] == VIR_TRISTATE_SWITCH_ON) { - virBufferAsprintf(&buf, ",dirty-ring-size=%d", def->kvm_features->dirty_ring_size); + if (def->features[VIR_DOMAIN_FEATURE_KVM] == VIR_TRISTATE_SWITCH_ON) { + if (def->kvm_features->features[VIR_DOMAIN_KVM_DIRTY_RING] == + VIR_TRISTATE_SWITCH_ON) { + virBufferAsprintf(&buf, ",dirty-ring-size=%d", + def->kvm_features->dirty_ring_size); + } + + if (def->kvm_features->features[VIR_DOMAIN_KVM_NOTIFY_VMEXIT] == + VIR_TRISTATE_SWITCH_ON) { + virBufferAsprintf(&buf, ",notify-vmexit=%s", + def->kvm_features->notify_vmexit.mode); + if (def->kvm_features->notify_vmexit.notify_window && + STRNEQ(def->kvm_features->notify_vmexit.mode, "disable")) { + virBufferAsprintf(&buf, ",notify-window=%u", + def->kvm_features->notify_vmexit.notify_window); + } + } } break; diff --git a/tests/qemuxml2argvdata/kvm-features.args b/tests/qemuxml2argvdata/kvm-features.args index 985d406ad7..51d5a6aae2 100644 --- a/tests/qemuxml2argvdata/kvm-features.args +++ b/tests/qemuxml2argvdata/kvm-features.args @@ -11,7 +11,7 @@ XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \ -S \ -object secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes \ -machine pc,usb=off,dump-guest-core=off \ --accel kvm,dirty-ring-size=4096 \ +-accel kvm,dirty-ring-size=4096,notify-vmexit=run,notify-window=16384 \ -cpu host,kvm=off,kvm-hint-dedicated=on,kvm-poll-control=on \ -m 214 \ -overcommit mem-lock=off \ -- 2.40.1