[libvirt] [PATCH 4/4] qemu: Use disk wwn in qemu command line
Daniel Veillard
veillard at redhat.com
Tue Sep 18 05:42:35 UTC 2012
On Tue, Sep 18, 2012 at 10:47:12AM +0800, Osier Yang wrote:
> All of ide-drive, ide-hd, ide-cd, scsi-disk, scsi-hd, and scsi-cd
> supports wwn property. (NB, scsi-block doesn't support to set wwn).
>
> * src/qemu/qemu_command.c: Error out if underlying QEMU doesn't
> support wwn property for the device; Set wwn for the device otherwise.
>
> * tests/qemuxml2argvdata/qemuxml2argv-disk-ide-wwn.args: New test
> * tests/qemuxml2argvdata/qemuxml2argv-disk-ide-wwn.xml: Likewise
> * tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-disk-wwn.args: Likewise
> * tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-disk-wwn.xml: Likewise
> * tests/qemuxml2argvtest.c: Add the new tests.
> ---
> src/qemu/qemu_command.c | 33 ++++++++++++++++++
> .../qemuxml2argv-disk-ide-wwn.args | 6 +++
> .../qemuxml2argvdata/qemuxml2argv-disk-ide-wwn.xml | 28 ++++++++++++++++
> .../qemuxml2argv-disk-scsi-disk-wwn.args | 10 ++++++
> .../qemuxml2argv-disk-scsi-disk-wwn.xml | 35 ++++++++++++++++++++
> tests/qemuxml2argvtest.c | 7 ++++
> 6 files changed, 119 insertions(+), 0 deletions(-)
> create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-ide-wwn.args
> create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-ide-wwn.xml
> create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-disk-wwn.args
> create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-disk-wwn.xml
>
> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> index 06a4bac..7511ad3 100644
> --- a/src/qemu/qemu_command.c
> +++ b/src/qemu/qemu_command.c
> @@ -2453,6 +2453,15 @@ qemuBuildDriveDevStr(virDomainDefPtr def,
> goto error;
> }
>
> + if (disk->wwn) {
> + if ((disk->bus != VIR_DOMAIN_DISK_BUS_IDE) &&
> + (disk->bus != VIR_DOMAIN_DISK_BUS_SCSI)) {
> + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> + _("Only ide and scsi disk support wwn"));
> + goto error;
> + }
> + }
> +
> if (disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) {
> /* make sure that both the bus and the qemu binary support
> * type='lun' (SG_IO).
> @@ -2475,6 +2484,11 @@ qemuBuildDriveDevStr(virDomainDefPtr def,
> _("disk device='lun' is not supported by this QEMU"));
> goto error;
> }
> + if (disk->wwn) {
> + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> + _("Setting wwn is not supported for lun device"));
> + goto error;
> + }
> }
>
> switch (disk->bus) {
> @@ -2485,6 +2499,14 @@ qemuBuildDriveDevStr(virDomainDefPtr def,
> goto error;
> }
>
> + if (disk->wwn &&
> + !qemuCapsGet(qemuCaps, QEMU_CAPS_IDE_DRIVE_WWN)) {
> + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> + _("Setting wwn for ide disk is not supported "
> + "by this QEMU"));
> + goto error;
> + }
> +
> if (qemuCapsGet(caps, QEMU_CAPS_IDE_CD)) {
> if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM)
> virBufferAddLit(&opt, "ide-cd");
> @@ -2508,6 +2530,14 @@ qemuBuildDriveDevStr(virDomainDefPtr def,
> }
> }
>
> + if (disk->wwn &&
> + !qemuCapsGet(qemuCaps, QEMU_CAPS_SCSI_DISK_WWN)) {
> + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> + _("Setting wwn for scsi disk is not supported "
> + "by this QEMU"));
> + goto error;
> + }
> +
> controllerModel =
> virDomainDiskFindControllerModel(def, disk,
> VIR_DOMAIN_CONTROLLER_TYPE_SCSI);
> @@ -2647,6 +2677,9 @@ qemuBuildDriveDevStr(virDomainDefPtr def,
> disk->blockio.physical_block_size);
> }
>
> + if (disk->wwn)
> + virBufferAsprintf(&opt, ",wwn=%s", disk->wwn);
> +
> if (virBufferError(&opt)) {
> virReportOOMError();
> goto error;
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-ide-wwn.args b/tests/qemuxml2argvdata/qemuxml2argv-disk-ide-wwn.args
> new file mode 100644
> index 0000000..4b8a543
> --- /dev/null
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-ide-wwn.args
> @@ -0,0 +1,6 @@
> +LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test \
> +/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -nodefaults \
> +-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c \
> +-drive file=/dev/HostVG/QEMUGuest1,if=none,id=drive-ide0-0-1,serial=WD-WMAP9A966149 \
> +-device ide-hd,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1,wwn=5000c50015ea71ad \
> +-usb -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-ide-wwn.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-ide-wwn.xml
> new file mode 100644
> index 0000000..dccec95
> --- /dev/null
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-ide-wwn.xml
> @@ -0,0 +1,28 @@
> +<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'>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</emulator>
> + <disk type='block' device='disk'>
> + <source dev='/dev/HostVG/QEMUGuest1'/>
> + <target dev='hda' bus='ide'/>
> + <serial>WD-WMAP9A966149</serial>
> + <wwn>5000c50015ea71ad</wwn>
> + <address type='drive' controller='0' bus='0' target='0' unit='1'/>
> + </disk>
> + <controller type='usb' index='0'/>
> + <controller type='ide' index='0'/>
> + <memballoon model='virtio'/>
> + </devices>
> +</domain>
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-disk-wwn.args b/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-disk-wwn.args
> new file mode 100644
> index 0000000..fe4591b
> --- /dev/null
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-disk-wwn.args
> @@ -0,0 +1,10 @@
> +LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test \
> +/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults \
> +-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c \
> +-device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x3 \
> +-device lsi,id=scsi1,bus=pci.0,addr=0x4 \
> +-drive file=/dev/HostVG/QEMUGuest1,if=none,id=drive-scsi0-0-1-0 \
> +-device scsi-cd,bus=scsi0.0,channel=0,scsi-id=1,lun=0,drive=drive-scsi0-0-1-0,id=scsi0-0-1-0,wwn=5000c50015ea71ac \
> +-drive file=/dev/HostVG/QEMUGuest2,if=none,id=drive-scsi0-0-0-0 \
> +-device scsi-hd,bus=scsi0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0-0-0-0,id=scsi0-0-0-0,wwn=5000c50015ea71ad \
> +-usb -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-disk-wwn.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-disk-wwn.xml
> new file mode 100644
> index 0000000..dc35548
> --- /dev/null
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-disk-wwn.xml
> @@ -0,0 +1,35 @@
> +<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'>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</emulator>
> + <disk type='block' device='cdrom'>
> + <source dev='/dev/HostVG/QEMUGuest1'/>
> + <target dev='sda' bus='scsi'/>
> + <address type='drive' controller='0' bus='0' target='1' unit='0'/>
> + <serial>WD-WMAP9A966149</serial>
> + <wwn>5000c50015ea71ac</wwn>
> + </disk>
> + <disk type='block' device='disk'>
> + <source dev='/dev/HostVG/QEMUGuest2'/>
> + <target dev='sdb' bus='scsi'/>
> + <address type='drive' controller='0' bus='0' target='0' unit='0'/>
> + <wwn>5000c50015ea71ad</wwn>
> + </disk>
> + <controller type='usb' index='0'/>
> + <controller type='scsi' index='0' model='virtio-scsi'/>
> + <controller type='scsi' index='1' model='lsilogic'/>
> + <memballoon model='virtio'/>
> + </devices>
> +</domain>
> diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
> index 4daa68d..0ec3c2c 100644
> --- a/tests/qemuxml2argvtest.c
> +++ b/tests/qemuxml2argvtest.c
> @@ -471,6 +471,10 @@ mymain(void)
> DO_TEST("disk-scsi-disk-split",
> QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG,
> QEMU_CAPS_SCSI_CD, QEMU_CAPS_SCSI_LSI, QEMU_CAPS_VIRTIO_SCSI_PCI);
> + DO_TEST("disk-scsi-disk-wwn",
> + QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG,
> + QEMU_CAPS_SCSI_CD, QEMU_CAPS_SCSI_LSI, QEMU_CAPS_VIRTIO_SCSI_PCI,
> + QEMU_CAPS_SCSI_DISK_WWN);
> DO_TEST("disk-scsi-vscsi",
> QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG);
> DO_TEST("disk-scsi-virtio-scsi",
> @@ -802,6 +806,9 @@ mymain(void)
> DO_TEST("disk-ide-drive-split",
> QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG,
> QEMU_CAPS_IDE_CD);
> + DO_TEST("disk-ide-wwn",
> + QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, QEMU_CAPS_IDE_CD,
> + QEMU_CAPS_DRIVE_SERIAL, QEMU_CAPS_IDE_DRIVE_WWN);
>
> DO_TEST("disk-geometry", QEMU_CAPS_DRIVE);
> DO_TEST("disk-blockio",
ACK, please push !
Daniel
--
Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/
daniel at veillard.com | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library http://libvirt.org/
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