This allows the VNC client user to perform a shutdown, reboot and reset
of the VM from the host side.
Signed-off-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>
---
src/qemu/qemu_command.c | 6 +++
src/qemu/qemu_validate.c | 21 ++++++++++
.../graphics-vnc-power.x86_64-latest.args | 40 +++++++++++++++++++
tests/qemuxml2argvdata/graphics-vnc-power.xml | 36 +++++++++++++++++
tests/qemuxml2argvtest.c | 1 +
5 files changed, 104 insertions(+)
create mode 100644 tests/qemuxml2argvdata/graphics-vnc-power.x86_64-latest.args
create mode 100644 tests/qemuxml2argvdata/graphics-vnc-power.xml
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index d801018aa2..7597ffafd1 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -7700,6 +7700,12 @@ qemuBuildGraphicsVNCCommandLine(virQEMUDriverConfigPtr cfg,
/* TODO: Support ACLs later */
}
+ if (graphics->data.vnc.powerControl != VIR_TRISTATE_BOOL_ABSENT) {
+ virBufferAsprintf(&opt, ",power-control=%s",
+ graphics->data.vnc.powerControl == VIR_TRISTATE_BOOL_YES ?
+ "on" : "off");
+ }
+
virCommandAddArg(cmd, "-vnc");
virCommandAddArgBuffer(cmd, &opt);
if (graphics->data.vnc.keymap)
diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index 2541ae856a..2f98209470 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -3939,7 +3939,22 @@ qemuValidateDomainDeviceDefSPICEGraphics(const virDomainGraphicsDef *graphics,
return 0;
}
+static int
+qemuValidateDomainDeviceDefVNCGraphics(const virDomainGraphicsDef *graphics,
+ virQEMUDriverPtr driver,
+ virQEMUCapsPtr qemuCaps)
+{
+ g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
+
+ if (graphics->data.vnc.powerControl != VIR_TRISTATE_BOOL_ABSENT &&
+ !virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC_POWER_CONTROL)) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("VNC power control is not available"));
+ return -1;
+ }
+ return 0;
+}
static int
qemuValidateDomainDeviceDefGraphics(const virDomainGraphicsDef *graphics,
const virDomainDef *def,
@@ -4023,6 +4038,12 @@ qemuValidateDomainDeviceDefGraphics(const virDomainGraphicsDef *graphics,
break;
case VIR_DOMAIN_GRAPHICS_TYPE_VNC:
+ if (qemuValidateDomainDeviceDefVNCGraphics(graphics, driver,
+ qemuCaps) < 0)
+ return -1;
+
+ break;
+
case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
diff --git a/tests/qemuxml2argvdata/graphics-vnc-power.x86_64-latest.args b/tests/qemuxml2argvdata/graphics-vnc-power.x86_64-latest.args
new file mode 100644
index 0000000000..7ef6f7f4e6
--- /dev/null
+++ b/tests/qemuxml2argvdata/graphics-vnc-power.x86_64-latest.args
@@ -0,0 +1,40 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/tmp/lib/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-i386 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object secret,id=masterKey0,format=raw,\
+file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
+-machine pc,accel=tcg,usb=off,dump-guest-core=off,memory-backend=pc.ram \
+-cpu qemu64 \
+-m 214 \
+-object memory-backend-ram,id=pc.ram,size=224395264 \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-no-acpi \
+-boot strict=on \
+-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
+-blockdev '{"driver":"host_device","filename":"/dev/HostVG/QEMUGuest1",\
+"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw",\
+"file":"libvirt-1-storage"}' \
+-device ide-hd,bus=ide.0,unit=0,drive=libvirt-1-format,id=ide0-0-0,bootindex=1 \
+-vnc '[::]:59630,power-control=on' \
+-device cirrus-vga,id=video0,bus=pci.0,addr=0x2 \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
+resourcecontrol=deny \
+-msg timestamp=on
diff --git a/tests/qemuxml2argvdata/graphics-vnc-power.xml b/tests/qemuxml2argvdata/graphics-vnc-power.xml
new file mode 100644
index 0000000000..00f0a215a5
--- /dev/null
+++ b/tests/qemuxml2argvdata/graphics-vnc-power.xml
@@ -0,0 +1,36 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>219100</memory>
+ <currentMemory unit='KiB'>219100</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='i686' machine='pc'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-i386</emulator>
+ <disk type='block' device='disk'>
+ <driver name='qemu' type='raw'/>
+ <source dev='/dev/HostVG/QEMUGuest1'/>
+ <target dev='hda' bus='ide'/>
+ <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+ </disk>
+ <controller type='usb' index='0'/>
+ <controller type='ide' index='0'/>
+ <controller type='pci' index='0' model='pci-root'/>
+ <input type='mouse' bus='ps2'/>
+ <input type='keyboard' bus='ps2'/>
+ <graphics type='vnc' port='65530' autoport='no' listen='::' powerControl='yes'>
+ <listen type='address' address='::'/>
+ </graphics>
+ <video>
+ <model type='cirrus' vram='16384' heads='1'/>
+ </video>
+ <memballoon model='none'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index db438c5466..682b7d52d2 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1365,6 +1365,7 @@ mymain(void)
QEMU_CAPS_DEVICE_CIRRUS_VGA);
DO_TEST("graphics-vnc-policy", QEMU_CAPS_VNC,
QEMU_CAPS_DEVICE_CIRRUS_VGA);
+ DO_TEST_CAPS_LATEST("graphics-vnc-power");
DO_TEST("graphics-vnc-no-listen-attr", QEMU_CAPS_VNC,
QEMU_CAPS_DEVICE_CIRRUS_VGA);
DO_TEST("graphics-vnc-remove-generated-socket", QEMU_CAPS_VNC,
--
2.29.2
