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qemu: add support for qemu-vdagent channel

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Implement the qemu-vdagent channel introduced in the previous commit.

Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Jonathon Jongsma 2022-03-18 17:04:05 -05:00
parent 05b09f039e
commit 2ba73a10fd
11 changed files with 332 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/qemu/qemu_command.c
View File

@ -1422,8 +1422,27 @@ qemuBuildChardevStr(const virDomainChrSourceDef *dev,
dev->data.spiceport.channel);
break;
case VIR_DOMAIN_CHR_TYPE_NMDM:
case VIR_DOMAIN_CHR_TYPE_QEMU_VDAGENT:
virBufferAsprintf(&buf, "qemu-vdagent,id=%s,name=vdagent",
charAlias);
if (dev->data.qemuVdagent.clipboard != VIR_TRISTATE_BOOL_ABSENT)
virBufferAsprintf(&buf, ",clipboard=%s",
virTristateSwitchTypeToString(dev->data.qemuVdagent.clipboard));
switch (dev->data.qemuVdagent.mouse) {
case VIR_DOMAIN_MOUSE_MODE_CLIENT:
virBufferAddLit(&buf, ",mouse=on");
break;
case VIR_DOMAIN_MOUSE_MODE_SERVER:
virBufferAddLit(&buf, ",mouse=off");
break;
case VIR_DOMAIN_MOUSE_MODE_DEFAULT:
case VIR_DOMAIN_MOUSE_MODE_LAST:
default:
break;
}
break;
case VIR_DOMAIN_CHR_TYPE_NMDM:
case VIR_DOMAIN_CHR_TYPE_LAST:
default:
break;

28
src/qemu/qemu_monitor_json.c
View File

@ -6820,11 +6820,37 @@ qemuMonitorJSONAttachCharDevGetProps(const char *chrID,
break;
case VIR_DOMAIN_CHR_TYPE_QEMU_VDAGENT: {
virTristateBool mouse = VIR_TRISTATE_BOOL_ABSENT;
switch (chr->data.qemuVdagent.mouse) {
case VIR_DOMAIN_MOUSE_MODE_CLIENT:
mouse = VIR_TRISTATE_BOOL_YES;
break;
case VIR_DOMAIN_MOUSE_MODE_SERVER:
mouse = VIR_TRISTATE_BOOL_NO;
break;
case VIR_DOMAIN_MOUSE_MODE_DEFAULT:
break;
case VIR_DOMAIN_MOUSE_MODE_LAST:
default:
virReportEnumRangeError(virDomainMouseMode,
chr->data.qemuVdagent.mouse);
return NULL;
}
backendType = "qemu-vdagent";
if (virJSONValueObjectAdd(&backendData,
"T:clipboard", chr->data.qemuVdagent.clipboard,
"T:mouse", mouse,
NULL) < 0)
return NULL;
break;
}
case VIR_DOMAIN_CHR_TYPE_SPICEPORT:
case VIR_DOMAIN_CHR_TYPE_PIPE:
case VIR_DOMAIN_CHR_TYPE_STDIO:
case VIR_DOMAIN_CHR_TYPE_NMDM:
case VIR_DOMAIN_CHR_TYPE_QEMU_VDAGENT:
virReportError(VIR_ERR_OPERATION_FAILED,
_("Hotplug unsupported for char device type '%s'"),
virDomainChrTypeToString(chr->type));

10
src/qemu/qemu_validate.c
View File

@ -1987,6 +1987,15 @@ qemuValidateDomainChrSourceDef(const virDomainChrSourceDef *def,
}
break;
case VIR_DOMAIN_CHR_TYPE_QEMU_VDAGENT:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV_QEMU_VDAGENT)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("chardev '%s' not supported in this QEMU binary"),
virDomainChrTypeToString(def->type));
return -1;
}
break;
case VIR_DOMAIN_CHR_TYPE_NULL:
case VIR_DOMAIN_CHR_TYPE_VC:
case VIR_DOMAIN_CHR_TYPE_PTY:
@ -1997,7 +2006,6 @@ qemuValidateDomainChrSourceDef(const virDomainChrSourceDef *def,
case VIR_DOMAIN_CHR_TYPE_SPICEVMC:
case VIR_DOMAIN_CHR_TYPE_SPICEPORT:
case VIR_DOMAIN_CHR_TYPE_NMDM:
case VIR_DOMAIN_CHR_TYPE_QEMU_VDAGENT:
case VIR_DOMAIN_CHR_TYPE_LAST:
break;
}

41
tests/qemuxml2argvdata/channel-qemu-vdagent-features.x86_64-latest.args Normal file
View File

@ -0,0 +1,41 @@
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 \
/usr/bin/qemu-system-x86_64 \
-name guest=QEMUGuest1,debug-threads=on \
-S \
-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/tmp/lib/domain--1-QEMUGuest1/master-key.aes"}' \
-machine pc,usb=off,dump-guest-core=off,memory-backend=pc.ram \
-accel tcg \
-cpu qemu64 \
-m 214 \
-object '{"qom-type":"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 '{"driver":"piix3-usb-uhci","id":"usb","bus":"pci.0","addr":"0x1.0x2"}' \
-device '{"driver":"virtio-serial-pci","id":"virtio-serial1","bus":"pci.0","addr":"0xa"}' \
-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 '{"driver":"ide-hd","bus":"ide.0","unit":0,"drive":"libvirt-1-format","id":"ide0-0-0","bootindex":1}' \
-chardev qemu-vdagent,id=charchannel0,name=vdagent,clipboard=on,mouse=on \
-device '{"driver":"virtserialport","bus":"virtio-serial1.0","nr":3,"chardev":"charchannel0","id":"channel0","name":"com.redhat.spice.0"}' \
-audiodev '{"id":"audio1","driver":"none"}' \
-vnc 127.0.0.1:3,audiodev=audio1 \
-device '{"driver":"cirrus-vga","id":"video0","bus":"pci.0","addr":"0x2"}' \
-device '{"driver":"virtio-balloon-pci","id":"balloon0","bus":"pci.0","addr":"0x3"}' \
-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
-msg timestamp=on

37
tests/qemuxml2argvdata/channel-qemu-vdagent-features.xml Normal file
View File

@ -0,0 +1,37 @@
<domain type='qemu'>
<name>QEMUGuest1</name>
<uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
<memory unit='KiB'>219136</memory>
<vcpu placement='static' cpuset='1-4,8-20,525'>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-x86_64</emulator>
<disk type='block' device='disk'>
<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='virtio-serial' index='1'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
</controller>
<graphics type='vnc' port='5903' autoport='no' listen='127.0.0.1'/>
<channel type='qemu-vdagent'>
<target type='virtio' name='com.redhat.spice.0'/>
<address type='virtio-serial' controller='1' bus='0' port='3'/>
<source>
<mouse mode='client'/>
<clipboard copypaste='yes'/>
</source>
</channel>
<memballoon model='virtio'/>
</devices>
</domain>

41
tests/qemuxml2argvdata/channel-qemu-vdagent.x86_64-latest.args Normal file
View File

@ -0,0 +1,41 @@
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 \
/usr/bin/qemu-system-x86_64 \
-name guest=QEMUGuest1,debug-threads=on \
-S \
-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/tmp/lib/domain--1-QEMUGuest1/master-key.aes"}' \
-machine pc,usb=off,dump-guest-core=off,memory-backend=pc.ram \
-accel tcg \
-cpu qemu64 \
-m 214 \
-object '{"qom-type":"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 '{"driver":"piix3-usb-uhci","id":"usb","bus":"pci.0","addr":"0x1.0x2"}' \
-device '{"driver":"virtio-serial-pci","id":"virtio-serial1","bus":"pci.0","addr":"0xa"}' \
-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 '{"driver":"ide-hd","bus":"ide.0","unit":0,"drive":"libvirt-1-format","id":"ide0-0-0","bootindex":1}' \
-chardev qemu-vdagent,id=charchannel0,name=vdagent,clipboard=off,mouse=off \
-device '{"driver":"virtserialport","bus":"virtio-serial1.0","nr":3,"chardev":"charchannel0","id":"channel0","name":"com.redhat.spice.0"}' \
-audiodev '{"id":"audio1","driver":"none"}' \
-vnc 127.0.0.1:3,audiodev=audio1 \
-device '{"driver":"cirrus-vga","id":"video0","bus":"pci.0","addr":"0x2"}' \
-device '{"driver":"virtio-balloon-pci","id":"balloon0","bus":"pci.0","addr":"0x3"}' \
-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
-msg timestamp=on

37
tests/qemuxml2argvdata/channel-qemu-vdagent.xml Normal file
View File

@ -0,0 +1,37 @@
<domain type='qemu'>
<name>QEMUGuest1</name>
<uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
<memory unit='KiB'>219136</memory>
<vcpu placement='static' cpuset='1-4,8-20,525'>1</vcpu>
<os>
<type arch='x86_64' 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-x86_64</emulator>
<disk type='block' device='disk'>
<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='virtio-serial' index='1'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
</controller>
<graphics type='vnc' port='5903' autoport='no' listen='127.0.0.1'/>
<channel type='qemu-vdagent'>
<target type='virtio' name='com.redhat.spice.0'/>
<address type='virtio-serial' controller='1' bus='0' port='3'/>
<source>
<clipboard copypaste='no'/>
<mouse mode='server'/>
</source>
</channel>
<memballoon model='virtio'/>
</devices>
</domain>

2
tests/qemuxml2argvtest.c
View File

@ -1710,6 +1710,8 @@ mymain(void)
DO_TEST("channel-spicevmc",
QEMU_CAPS_SPICE,
QEMU_CAPS_DEVICE_CIRRUS_VGA);
DO_TEST_CAPS_LATEST("channel-qemu-vdagent");
DO_TEST_CAPS_LATEST("channel-qemu-vdagent-features");
DO_TEST("channel-virtio-default",
QEMU_CAPS_SPICE);
DO_TEST_NOCAPS("channel-virtio-unix");

58
tests/qemuxml2xmloutdata/channel-qemu-vdagent-features.x86_64-latest.xml Normal file
View File

@ -0,0 +1,58 @@
<domain type='qemu'>
<name>QEMUGuest1</name>
<uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
<memory unit='KiB'>219136</memory>
<currentMemory unit='KiB'>219136</currentMemory>
<vcpu placement='static' cpuset='1-4,8-20,525'>1</vcpu>
<os>
<type arch='i686' machine='pc'>hvm</type>
<boot dev='hd'/>
</os>
<cpu mode='custom' match='exact' check='none'>
<model fallback='forbid'>qemu64</model>
</cpu>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/qemu-system-x86_64</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' model='piix3-uhci'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>
<controller type='ide' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
</controller>
<controller type='virtio-serial' index='1'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
</controller>
<controller type='pci' index='0' model='pci-root'/>
<channel type='qemu-vdagent'>
<source>
<clipboard copypaste='yes'/>
<mouse mode='client'/>
</source>
<target type='virtio' name='com.redhat.spice.0'/>
<address type='virtio-serial' controller='1' bus='0' port='3'/>
</channel>
<input type='mouse' bus='ps2'/>
<input type='keyboard' bus='ps2'/>
<graphics type='vnc' port='5903' autoport='no' listen='127.0.0.1'>
<listen type='address' address='127.0.0.1'/>
</graphics>
<audio id='1' type='none'/>
<video>
<model type='cirrus' vram='16384' heads='1' primary='yes'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</memballoon>
</devices>
</domain>

58
tests/qemuxml2xmloutdata/channel-qemu-vdagent.x86_64-latest.xml Normal file
View File

@ -0,0 +1,58 @@
<domain type='qemu'>
<name>QEMUGuest1</name>
<uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
<memory unit='KiB'>219136</memory>
<currentMemory unit='KiB'>219136</currentMemory>
<vcpu placement='static' cpuset='1-4,8-20,525'>1</vcpu>
<os>
<type arch='x86_64' machine='pc'>hvm</type>
<boot dev='hd'/>
</os>
<cpu mode='custom' match='exact' check='none'>
<model fallback='forbid'>qemu64</model>
</cpu>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/qemu-system-x86_64</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' model='piix3-uhci'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>
<controller type='ide' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
</controller>
<controller type='virtio-serial' index='1'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
</controller>
<controller type='pci' index='0' model='pci-root'/>
<channel type='qemu-vdagent'>
<source>
<clipboard copypaste='no'/>
<mouse mode='server'/>
</source>
<target type='virtio' name='com.redhat.spice.0'/>
<address type='virtio-serial' controller='1' bus='0' port='3'/>
</channel>
<input type='mouse' bus='ps2'/>
<input type='keyboard' bus='ps2'/>
<graphics type='vnc' port='5903' autoport='no' listen='127.0.0.1'>
<listen type='address' address='127.0.0.1'/>
</graphics>
<audio id='1' type='none'/>
<video>
<model type='cirrus' vram='16384' heads='1' primary='yes'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</memballoon>
</devices>
</domain>

2
tests/qemuxml2xmltest.c
View File

@ -1467,6 +1467,8 @@ mymain(void)
QEMU_CAPS_DEVICE_PL011,
QEMU_CAPS_DEVICE_VIRTIO_RNG,
QEMU_CAPS_OBJECT_RNG_RANDOM);
DO_TEST_CAPS_LATEST("channel-qemu-vdagent");
DO_TEST_CAPS_LATEST("channel-qemu-vdagent-features");
cleanup:
if (getenv("LIBVIRT_SKIP_CLEANUP") == NULL)