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All Xen domains have a xenbus device. Implicitly add one if not
already explicitly specified in the domain config.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
All Xen PV and HVM with PV driver support a memory balloon device,
which cannot be disabled through the toolstack. Model the device
in the libxl driver, similar to the recently removed xend-based
driver.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Seems like the natural fit, since we are already adding other XML bits
in the PostParse routine.
Previously AddImplicitControllers was only called at the end of XML
parsing, meaning code that builds a DomainDef by hand had to manually
call it. Now those PostParse callers get it for free.
There's some test churn here; xen xm and sexpr test suite bits weren't
calling this before, but now they are, so you'll see new IDE controllers.
I don't think this will cause problems in practice, since the code already
needs to handle these implicit controllers like in the case when a user
defines their own XML.
... and consolidate the cmdline/extra/root parsing to facilitate doing
so.
The logic is the same as xl's parse_cmdline from the current xen.git master
branch (e6f0e099d2c17de47fd86e817b1998db903cab61).
On the formatting side switch to producing cmdline= instead of extra=.
Update a few tests and add serveral more.
- test-cmdline is added to test the exclusive use of cmdline.
- test-fullvirt-direct-kernel-boot.cfg is updated due to the switch
on the formatting side and now tests the exclusive use of cmdline=.
- Tests are added for both paravirt and fullvirt where the .cfg uses
extra= and (paravirt only) root=. These are format (xl->xml) only
since the inverse will generate cmdline= hence is not a round trip
(which was already true if using root=, which used to generate
extra= on the way back).
- Tests are added for both paravirt and fullvirt where the .cfg
declares cmdline= as well as bogus extra= and (paravirt only) root=
entries which should be ignored. Again these are format only tests
since the inverse won't include the bogus lines.
The last two bullets here required splitting the DO_TEST macro into
two halves, as is done in the xmconfigtest.c case.
In order to introduce a use of VIR_WARN for logging I had to add
virerror.h and VIR_LOG_INIT.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
