Re: [libvirt] [Xen-devel] [PATCH v2] libxl: Support PV consoles

Jim Fehlig wrote: > Ian Campbell wrote: > >> Currently the driver only exposes the ability to connect to the serial console >> of a Xen guest, which doesn't work for a PV guest. Since for an HVM guest the >> serial devices are duplicated as consoles it is sufficient to just use the >> console devices unconditionally. >> >> Tested with the following bit of config XML: >> >> <domain type='xen'> >> ... >> <devices> >> <console type='pty'> >> <target type='xen'/> >> </console> >> </devices> >> </domain> >> >> I have observed and tested this on ARM but I believe it also applies to x86 PV >> guests. >> >> > > Yep, I think you are right. > > ACK to the patch. I'll push it, after a bit of testing. > > Regards, > Jim > > >> Signed-off-by: Ian Campbell <ian.campbell(a)citrix.com&gt; >> Cc: Jim Fehlig <jfehlig(a)suse.com&gt; >> Cc: Dario Faggioli <dario.faggioli(a)citrix.com&gt; >> Cc: Clark Laughlin <clark.laughlin(a)linaro.org&gt; >> --- >> v2: Just use nconsoles unconditionally, they contain serial too >> --- >> src/libxl/libxl_driver.c | 12 +++++++++--- >> 1 file changed, 9 insertions(+), 3 deletions(-) >> >> diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c >> index a6ae8a1..535e7da 100644 >> --- a/src/libxl/libxl_driver.c >> +++ b/src/libxl/libxl_driver.c >> @@ -3780,6 +3780,7 @@ libxlDomainOpenConsole(virDomainPtr dom, >> { >> virDomainObjPtr vm = NULL; >> int ret = -1; >> + libxl_console_type console_type = LIBXL_CONSOLE_TYPE_UNKNOWN; >> This doesn't compile with Xen 4.2.x libxl/libxl_driver.c: In function 'libxlDomainOpenConsole': libxl/libxl_driver.c:3783:39: error: 'LIBXL_CONSOLE_TYPE_UNKNOWN' undeclared (first use in this function) libxl/libxl_driver.c:3783:39: note: each undeclared identifier is reported only once for each function it appears in xen.git commit 166bb0fe introduced UNKNOWN in the enum. I suppose it is best to initialize console_type with 0, along with a comment?