[Kimchi-devel] [PATCH] [Kimchi 1/4] adding 'console' parameter for s390x arch

[Aline Manera]

On 09/13/2016 03:45 AM, Suresh Babu Angadi wrote:
>
>
> On 09/13/2016 02:16 AM, Aline Manera wrote:
>>
>>
>> On 09/08/2016 07:33 AM, sureshab at linux.vnet.ibm.com wrote:
>>> From: Suresh Babu Angadi <sureshab at in.ibm.com>
>>>
>>> for s390x, console can be either virtio/sclp
>>> this patch sets virtio as default console for s390x
>>>
>>> Signed-off-by: Suresh Babu Angadi <sureshab at in.ibm.com>
>>> ---
>>>   osinfo.py          | 4 ++++
>>>   xmlutils/serial.py | 6 +++++-
>>>   2 files changed, 9 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/osinfo.py b/osinfo.py
>>> index 3e56d97..6069c46 100644
>>> --- a/osinfo.py
>>> +++ b/osinfo.py
>>> @@ -163,6 +163,10 @@ def _get_tmpl_defaults():
>>>       tmpl_defaults['processor']['maxvcpus'] = 1
>>>       tmpl_defaults['graphics'] = {'type': 'vnc', 'listen': 
>>> '127.0.0.1'}
>>
>>> +    # for s390x architecture, set default console as sclp
>>> +    if host_arch in ['s390x', 's390']:
>>> +        tmpl_defaults['console'] = 'virtio'
>>> +
>>
>> This should be added to the modern/old dicts.
> this is configurable parameter, adding in tmpl_defaults makes more 
> sense. old/modren dict contains constants such as type of disk bus, 
> interface model etc.
>>
>>>       default_config = ConfigObj(tmpl_defaults)
>>>
>>>       # Load template configuration file
>>> diff --git a/xmlutils/serial.py b/xmlutils/serial.py
>>> index c823ee6..a25bf23 100644
>>> --- a/xmlutils/serial.py
>>> +++ b/xmlutils/serial.py
>>> @@ -38,6 +38,7 @@ def get_serial_xml(params):
>>>        </console>
>>>
>>>       For s390x
>>> +    target type can be sclp/virtio
>>>       <console type='pty'>
>>>         <target type='sclp' port='0'/>
>>>       </console>
>>> @@ -50,8 +51,11 @@ def get_serial_xml(params):
>>>           return ET.tostring(console, encoding='utf-8', 
>>> pretty_print=True)
>>>       # for s390x
>>>       elif params["arch"] in ["s390x"]:
>>
>>> +        # if params doesn't have console parameter, use virtio as 
>>> default
>>> +        console_type = params.get('console') \
>>> +            if params.get('console') else 'virtio'
>>
>> The default type, from previous code, is sclp.
>>
>> So you only need to do:
>>
>> console_type = params.get('console', 'sclp')
> the hypervisor default value for console is 'virtio', hence will make 
> it console_type = params.get('console', 'virtio')

By the current upstream code, the default is sclp. As it is the value 
used when generating the XML.
If you change the default for virtio, make sure to test on x86 and Power.

>>
>>>           console = E.console(type="pty")
>>> -        console.append(E.target(type="sclp", port='0'))
>>> +        console.append(E.target(type=console_type, port='0'))
>>>           return ET.tostring(console, encoding='utf-8', 
>>> pretty_print=True)
>>>       # for x
>>>       else:
>>
>