Re: [PATCH v2] qemu: Use virtio network device for aarch64/virt

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On 02/14/2014 09:09 AM, Oleg Strikov wrote:
> This patch changes network device type used by default from rtl8139
> to virtio when architecture type is aarch64 and machine type is virt.
> Qemu doesn't support any other machine types for aarch64 right now and
> we can't make any other aarch64-specific tuning in this function yet.
> 
> Signed-off-by: Oleg Strikov <oleg.strikov@xxxxxxxxxxxxx>
> ---
> 
> Changes since v1:
>  * qemuxml2argvtest suite has been extended to validate correct setup
>    for aarch64 guests when no NIC model is provided in the XML
> 
> 

ACK, pushed now.

- Cole

>  src/qemu/qemu_domain.c                             |    3 ++-
>  .../qemuxml2argv-aarch64-virt-default-nic.args     |    6 ++++++
>  .../qemuxml2argv-aarch64-virt-default-nic.xml      |   22 ++++++++++++++++++++
>  tests/qemuxml2argvtest.c                           |    3 +++
>  4 files changed, 33 insertions(+), 1 deletion(-)
>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-aarch64-virt-default-nic.args
>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-aarch64-virt-default-nic.xml
> 
> diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
> index a665061..9a040ee 100644
> --- a/src/qemu/qemu_domain.c
> +++ b/src/qemu/qemu_domain.c
> @@ -797,7 +797,8 @@ qemuDomainDefaultNetModel(const virDomainDef *def)
>          def->os.arch == VIR_ARCH_S390X)
>          return "virtio";
>  
> -    if (def->os.arch == VIR_ARCH_ARMV7L) {
> +    if (def->os.arch == VIR_ARCH_ARMV7L ||
> +        def->os.arch == VIR_ARCH_AARCH64) {
>          if (STREQ(def->os.machine, "versatilepb"))
>              return "smc91c111";
>  
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-aarch64-virt-default-nic.args b/tests/qemuxml2argvdata/qemuxml2argv-aarch64-virt-default-nic.args
> new file mode 100644
> index 0000000..d4d403b
> --- /dev/null
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-aarch64-virt-default-nic.args
> @@ -0,0 +1,6 @@
> +LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
> +/usr/bin/qemu-system-aarch64 -S -M virt -m 1024 -smp 1 -nographic \
> +-nodefconfig -nodefaults -monitor unix:/tmp/test-monitor,server,nowait \
> +-boot c -kernel /aarch64.kernel -initrd /aarch64.initrd -append console=ttyAMA0 \
> +-usb -device virtio-net-device,vlan=0,id=net0,mac=52:54:00:09:a4:37 \
> +-net user,vlan=0,name=hostnet0
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-aarch64-virt-default-nic.xml b/tests/qemuxml2argvdata/qemuxml2argv-aarch64-virt-default-nic.xml
> new file mode 100644
> index 0000000..868de94
> --- /dev/null
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-aarch64-virt-default-nic.xml
> @@ -0,0 +1,22 @@
> +<domain type="qemu">
> +  <name>aarch64-virt-default-nic</name>
> +  <uuid>6ba410c5-1e5c-4d57-bee7-2228e7ffa32f</uuid>
> +  <memory>1048576</memory>
> +  <currentMemory>1048576</currentMemory>
> +  <vcpu>1</vcpu>
> +  <features>
> +    <acpi/>
> +  </features>
> +  <os>
> +    <type arch="aarch64" machine="virt">hvm</type>
> +    <kernel>/aarch64.kernel</kernel>
> +    <initrd>/aarch64.initrd</initrd>
> +    <cmdline>console=ttyAMA0</cmdline>
> +  </os>
> +  <devices>
> +    <emulator>/usr/bin/qemu-system-aarch64</emulator>
> +    <interface type='user'>
> +      <mac address='52:54:00:09:a4:37'/>
> +    </interface>
> +  </devices>
> +</domain>
> diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
> index 7a5b50d..43ac1d1 100644
> --- a/tests/qemuxml2argvtest.c
> +++ b/tests/qemuxml2argvtest.c
> @@ -1335,6 +1335,9 @@ mymain(void)
>              QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG, QEMU_CAPS_DTB,
>              QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE_VIRTIO_MMIO,
>              QEMU_CAPS_DEVICE_VIRTIO_RNG, QEMU_CAPS_OBJECT_RNG_RANDOM);
> +    DO_TEST("aarch64-virt-default-nic",
> +            QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG,
> +            QEMU_CAPS_DEVICE_VIRTIO_MMIO);
>  
>      DO_TEST("kvm-pit-device", QEMU_CAPS_KVM_PIT_TICK_POLICY);
>      DO_TEST("kvm-pit-delay", QEMU_CAPS_NO_KVM_PIT);
> 

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