Re: [Xen-devel] [PATCH v4] libxl: usb2 and usb3 controller support for upstream qemu

[Fabio Fantoni <fabio.fantoni@xxxxxxx>]

Il 13/09/2013 13:59, Ian Campbell ha scritto:
> On Mon, 2013-07-15 at 11:11 +0200, Fabio Fantoni wrote:
>
> Stefano or Anthony -- your input as qemu-xen types would be appreciated
> here on this patch.
>
> > > +            case 2:
> > > +                flexarray_vappend(dm_args, "-device","ich9-usb-ehci1,id=usb,"
> > > +                    "bus=pci.0,addr=0x1d.0x7", NULL);
> > > +                for (i = 1; i < 4; i++)
> > > +                    flexarray_vappend(dm_args, "-device", libxl__sprintf(gc,
> > > +                        "ich9-usb-uhci%d,masterbus=usb.0,firstport=%d,"
> > > +                        "bus=pci.0%s,addr=0x1d.%#x", i, 2*(i-1), i == 1 ?
> > > +                        ",multifunction=on" : "", i-1), NULL);
> > > +                break;
> Please format this in some sort of halfway readable style.
>
> Using GCSPRINTF might help, as would putting newlines in more logical
> places.
>
> Also you don't need _vappend, _append_pair would do.
Thanks for reply.
I'll do them on next version if I understand right the "halfway readable 
style".
> > > diff --git a/tools/libxl/libxl_types.idl b/tools/libxl/libxl_types.idl
> > > index d218a2d..100f36c 100644
> > > --- a/tools/libxl/libxl_types.idl
> > > +++ b/tools/libxl/libxl_types.idl
> > > @@ -325,6 +325,7 @@ libxl_domain_build_info = Struct("domain_build_info",[
> > >                                           ("serial",           string),
> > >                                           ("boot",             string),
> > >                                           ("usb",              libxl_defbool),
> > > +                                       ("usbversion",       integer),
> Some sort of whitepace damage?
On source code seem correct (usbversion with same whitespace of usb 
before the "(" and also aligned to view), I don't know what cause this 
problem.
I try to remove the patch and reapply it from git format-patch file 
(with patch -p1 -i ...) and also in that case the source code seem correct.
> > >                                           # usbdevice:
> > >                                           # - "tablet" for absolute mouse,
> > >                                           # - "mouse" for PS/2 protocol 
> > > relative mouse
> > > diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
> > > index 8a478ba..a618ede 100644
> > > --- a/tools/libxl/xl_cmdimpl.c
> > > +++ b/tools/libxl/xl_cmdimpl.c
> > > @@ -1495,6 +1495,8 @@ skip_vfb:
> > >            xlu_cfg_replace_string (config, "serial", &b_info->u.hvm.serial, 0);
> > >            xlu_cfg_replace_string (config, "boot", &b_info->u.hvm.boot, 0);
> > >            xlu_cfg_get_defbool(config, "usb", &b_info->u.hvm.usb, 0);
> > > +        if (!xlu_cfg_get_long (config, "usbversion", &l, 0))
> > > +            b_info->u.hvm.usbversion = l;
> and again.
>
> > >            switch (xlu_cfg_get_list_as_string_list(config, "usbdevice",
> > >                                                    
> > > &b_info->u.hvm.usbdevice_list,
> > >                                                    1))

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