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提交 5a2f2310 编写于 作者: B Bjoern Walk 提交者： Ján Tomko
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qemu: command: support for virtio packed option 

Pass the packed option on the QEMU command line of the capability for
packed virtqueues is detected and the parameter is set explicitly.
Reviewed-by: NJán Tomko <jtomko@redhat.com>
Reviewed-by: NBoris Fiuczynski <fiuczy@linux.ibm.com>
Signed-off-by: NBjoern Walk <bwalk@linux.ibm.com>
Signed-off-by: NJán Tomko <jtomko@redhat.com>
上级 0e3b3094
隐藏空白更改
内联 并排
Showing with 44 addition and 30 deletion
src/qemu/qemu_command.c
浏览文件 @ 5a2f2310
......@@ -614,6 +614,16 @@ qemuBuildVirtioOptionsStr(virBufferPtr buf,
virBufferAsprintf(buf, ",ats=%s",
virTristateSwitchTypeToString(virtio->ats));
}
if (virtio->packed != VIR_TRISTATE_SWITCH_ABSENT) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_PACKED_QUEUES)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("the packed setting is not supported with this "
"QEMU binary"));
return -1;
}
virBufferAsprintf(buf, ",packed=%s",
virTristateSwitchTypeToString(virtio->packed));
}
return 0;
}
......
tests/qemuxml2argvdata/virtio-options.args
浏览文件 @ 5a2f2310
......@@ -24,36 +24,38 @@ server,nowait \
-rtc base=utc \
-no-shutdown \
-no-acpi \
-device virtio-scsi-pci,iommu_platform=on,ats=on,id=scsi0,bus=pci.0,addr=0x8 \
-device virtio-serial-pci,id=virtio-serial0,iommu_platform=on,ats=on,bus=pci.0,\
addr=0x9 \
-device virtio-scsi-pci,iommu_platform=on,ats=on,packed=on,id=scsi0,bus=pci.0,\
addr=0x8 \
-device virtio-serial-pci,id=virtio-serial0,iommu_platform=on,ats=on,packed=on,\
bus=pci.0,addr=0x9 \
-usb \
-drive file=/var/lib/libvirt/images/img1,format=raw,if=none,\
id=drive-virtio-disk0 \
-device virtio-blk-pci,iommu_platform=on,ats=on,bus=pci.0,addr=0xa,\
-device virtio-blk-pci,iommu_platform=on,ats=on,packed=on,bus=pci.0,addr=0xa,\
drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \
-fsdev local,security_model=passthrough,id=fsdev-fs0,path=/export/fs1 \
-device virtio-9p-pci,id=fs0,fsdev=fsdev-fs0,mount_tag=fs1,iommu_platform=on,\
ats=on,bus=pci.0,addr=0x3 \
ats=on,packed=on,bus=pci.0,addr=0x3 \
-fsdev local,security_model=mapped,writeout=immediate,id=fsdev-fs1,\
path=/export/fs2 \
-device virtio-9p-pci,id=fs1,fsdev=fsdev-fs1,mount_tag=fs2,iommu_platform=on,\
ats=on,bus=pci.0,addr=0x4 \
ats=on,packed=on,bus=pci.0,addr=0x4 \
-netdev user,id=hostnet0 \
-device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:56:58:5a:5c,bus=pci.0,\
addr=0x6,iommu_platform=on,ats=on \
-device virtio-mouse-pci,id=input0,bus=pci.0,addr=0xe,iommu_platform=on,ats=on \
addr=0x6,iommu_platform=on,ats=on,packed=on \
-device virtio-mouse-pci,id=input0,bus=pci.0,addr=0xe,iommu_platform=on,ats=on,\
packed=on \
-device virtio-keyboard-pci,id=input1,bus=pci.0,addr=0x10,iommu_platform=on,\
ats=on \
ats=on,packed=on \
-device virtio-tablet-pci,id=input2,bus=pci.0,addr=0x11,iommu_platform=on,\
ats=on \
ats=on,packed=on \
-device virtio-input-host-pci,id=input3,evdev=/dev/input/event1234,bus=pci.0,\
addr=0x12,iommu_platform=on,ats=on \
addr=0x12,iommu_platform=on,ats=on,packed=on \
-chardev socket,id=chr-vu-video0,fd=1729 \
-device vhost-user-gpu-pci,id=video0,max_outputs=1,chardev=chr-vu-video0,\
bus=pci.0,addr=0x2,iommu_platform=on,ats=on \
bus=pci.0,addr=0x2,iommu_platform=on,ats=on,packed=on \
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0xc,iommu_platform=on,\
ats=on \
ats=on,packed=on \
-object rng-random,id=objrng0,filename=/dev/random \
-device virtio-rng-pci,rng=objrng0,id=rng0,iommu_platform=on,ats=on,bus=pci.0,\
addr=0xd
-device virtio-rng-pci,rng=objrng0,id=rng0,iommu_platform=on,ats=on,packed=on,\
bus=pci.0,addr=0xd
tests/qemuxml2argvdata/virtio-options.xml
浏览文件 @ 5a2f2310
......@@ -15,7 +15,7 @@
<devices>
<emulator>/usr/bin/qemu-system-x86_64</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='raw' iommu='on' ats='on'/>
<driver name='qemu' type='raw' iommu='on' ats='on' packed='on'/>
<source file='/var/lib/libvirt/images/img1'/>
<target dev='vda' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
......@@ -27,22 +27,22 @@
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
</controller>
<controller type='scsi' index='0' model='virtio-scsi'>
<driver iommu='on' ats='on'/>
<driver iommu='on' ats='on' packed='on'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/>
</controller>
<controller type='pci' index='0' model='pci-root'/>
<controller type='virtio-serial' index='0'>
<driver iommu='on' ats='on'/>
<driver iommu='on' ats='on' packed='on'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/>
</controller>
<filesystem type='mount' accessmode='passthrough'>
<driver iommu='on' ats='on'/>
<driver iommu='on' ats='on' packed='on'/>
<source dir='/export/fs1'/>
<target dir='fs1'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</filesystem>
<filesystem type='mount' accessmode='mapped'>
<driver type='path' wrpolicy='immediate' iommu='on' ats='on'/>
<driver type='path' wrpolicy='immediate' iommu='on' ats='on' packed='on'/>
<source dir='/export/fs2'/>
<target dir='fs2'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
......@@ -50,30 +50,30 @@
<interface type='user'>
<mac address='52:54:56:58:5a:5c'/>
<model type='virtio'/>
<driver iommu='on' ats='on'/>
<driver iommu='on' ats='on' packed='on'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
</interface>
<input type='mouse' bus='virtio'>
<driver iommu='on' ats='on'/>
<driver iommu='on' ats='on' packed='on'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0e' function='0x0'/>
</input>
<input type='keyboard' bus='virtio'>
<driver iommu='on' ats='on'/>
<driver iommu='on' ats='on' packed='on'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x10' function='0x0'/>
</input>
<input type='tablet' bus='virtio'>
<driver iommu='on' ats='on'/>
<driver iommu='on' ats='on' packed='on'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x11' function='0x0'/>
</input>
<input type='passthrough' bus='virtio'>
<driver iommu='on' ats='on'/>
<driver iommu='on' ats='on' packed='on'/>
<source evdev='/dev/input/event1234'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x12' function='0x0'/>
</input>
<input type='mouse' bus='ps2'/>
<input type='keyboard' bus='ps2'/>
<video>
<driver iommu='on' ats='on' name='vhostuser'/>
<driver iommu='on' ats='on' packed='on' name='vhostuser'/>
<model type='virtio' heads='1' primary='yes'>
<acceleration accel3d='yes' rendernode='/dev/dri/test'/>
</model>
......@@ -81,11 +81,11 @@
</video>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0c' function='0x0'/>
<driver iommu='on' ats='on'/>
<driver iommu='on' ats='on' packed='on'/>
</memballoon>
<rng model='virtio'>
<backend model='random'>/dev/random</backend>
<driver iommu='on' ats='on'/>
<driver iommu='on' ats='on' packed='on'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0d' function='0x0'/>
</rng>
</devices>
......
tests/qemuxml2argvtest.c
浏览文件 @ 5a2f2310
......@@ -2989,7 +2989,8 @@ mymain(void)
QEMU_CAPS_OBJECT_RNG_RANDOM,
QEMU_CAPS_DEVICE_VIDEO_PRIMARY,
QEMU_CAPS_VIRTIO_PCI_IOMMU_PLATFORM,
QEMU_CAPS_VIRTIO_PCI_ATS);
QEMU_CAPS_VIRTIO_PCI_ATS,
QEMU_CAPS_VIRTIO_PACKED_QUEUES);
DO_TEST("fd-memory-numa-topology", QEMU_CAPS_OBJECT_MEMORY_FILE,
QEMU_CAPS_KVM);
......
tests/qemuxml2xmltest.c
浏览文件 @ 5a2f2310
......@@ -1291,7 +1291,8 @@ mymain(void)
QEMU_CAPS_DEVICE_VIDEO_PRIMARY,
QEMU_CAPS_VIRTIO_PCI_IOMMU_PLATFORM,
QEMU_CAPS_VIRTIO_PCI_ATS,
QEMU_CAPS_DEVICE_VHOST_USER_GPU);
QEMU_CAPS_DEVICE_VHOST_USER_GPU,
QEMU_CAPS_VIRTIO_PACKED_QUEUES);
DO_TEST("fd-memory-numa-topology", QEMU_CAPS_OBJECT_MEMORY_FILE,
QEMU_CAPS_KVM);
......
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