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Re: [Xen-devel] [PATCH] tools/libxl: Add iothread support for COLO



Ping~ Anyone have comments?

Thanks
Zhang Chen


> -----Original Message-----
> From: Zhang, Chen
> Sent: Friday, June 21, 2019 2:00 PM
> To: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>; Wei Liu <wl@xxxxxxx>; xen-
> devel@xxxxxxxxxxxxxxxxxxxx
> Cc: Zhang Chen <zhangckid@xxxxxxxxx>
> Subject: RE: [PATCH] tools/libxl: Add iothread support for COLO
> 
> Hi All,
> 
> Please give me some comments on this patch.
> This patch just add some missed parameter in qemu side.
> 
> Thanks
> Zhang Chen
> 
> > -----Original Message-----
> > From: Zhang, Chen
> > Sent: Monday, June 10, 2019 4:34 PM
> > To: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>; Wei Liu <wl@xxxxxxx>;
> > xen- devel@xxxxxxxxxxxxxxxxxxxx
> > Cc: Zhang Chen <zhangckid@xxxxxxxxx>; Zhang, Chen
> > <chen.zhang@xxxxxxxxx>
> > Subject: [PATCH] tools/libxl: Add iothread support for COLO
> >
> > From: Zhang Chen <chen.zhang@xxxxxxxxx>
> >
> > Xen COLO and KVM COLO shared lots of code in Qemu.
> > KVM COLO has added the iothread support, so we add it on Xen.
> >
> > Detail:
> > https://wiki.qemu.org/Features/COLO
> >
> > Signed-off-by: Zhang Chen <chen.zhang@xxxxxxxxx>
> > ---
> >  tools/libxl/libxl_dm.c      | 14 +++++++++++---
> >  tools/libxl/libxl_types.idl |  2 ++
> >  tools/xl/xl_parse.c         |  4 ++++
> >  3 files changed, 17 insertions(+), 3 deletions(-)
> >
> > diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c index
> > f4fc96415d..6bb400efdf 100644
> > --- a/tools/libxl/libxl_dm.c
> > +++ b/tools/libxl/libxl_dm.c
> > @@ -1629,17 +1629,25 @@ static int
> > libxl__build_device_model_args_new(libxl__gc *gc,
> >                                       nics[i].colo_filter_redirector1_queue,
> >                                       
> > nics[i].colo_filter_redirector1_outdev));
> >                      }
> > +                    if (nics[i].colo_iothread) {
> > +                        flexarray_append(dm_args, "-object");
> > +                        flexarray_append(dm_args,
> > +                           GCSPRINTF("iothread,id=%s",
> > +                                     nics[i].colo_iothread));
> > +                    }
> >                      if (nics[i].colo_compare_pri_in &&
> >                          nics[i].colo_compare_sec_in &&
> >                          nics[i].colo_compare_out &&
> > -                        nics[i].colo_compare_notify_dev) {
> > +                        nics[i].colo_compare_notify_dev &&
> > +                        nics[i].colo_compare_iothread) {
> >                          flexarray_append(dm_args, "-object");
> >                          flexarray_append(dm_args,
> > -                           GCSPRINTF("colo-
> > compare,id=c1,primary_in=%s,secondary_in=%s,outdev=%s,notify_dev=%s",
> > +
> > + GCSPRINTF("colo-compare,id=c1,primary_in=%s,secondary_in=%s,outdev=%
> > + s,
> > + notify_dev=%s,iothread=%s",
> >                                       nics[i].colo_compare_pri_in,
> >                                       nics[i].colo_compare_sec_in,
> >                                       nics[i].colo_compare_out,
> > -                                     nics[i].colo_compare_notify_dev));
> > +                                     nics[i].colo_compare_notify_dev,
> > +                                     nics[i].colo_compare_iothread));
> >                      }
> >                  }
> >                  ioemu_nics++;
> > diff --git a/tools/libxl/libxl_types.idl b/tools/libxl/libxl_types.idl
> > index
> > b61399ce36..f0435a5177 100644
> > --- a/tools/libxl/libxl_types.idl
> > +++ b/tools/libxl/libxl_types.idl
> > @@ -727,10 +727,12 @@ libxl_device_nic = Struct("device_nic", [
> >      ("colo_filter_redirector1_queue", string),
> >      ("colo_filter_redirector1_indev", string),
> >      ("colo_filter_redirector1_outdev", string),
> > +    ("colo_iothread", string),
> >      ("colo_compare_pri_in", string),
> >      ("colo_compare_sec_in", string),
> >      ("colo_compare_out", string),
> >      ("colo_compare_notify_dev", string),
> > +    ("colo_compare_iothread", string),
> >      ("colo_sock_sec_redirector0_id", string),
> >      ("colo_sock_sec_redirector0_ip", string),
> >      ("colo_sock_sec_redirector0_port", string), diff --git
> > a/tools/xl/xl_parse.c b/tools/xl/xl_parse.c index
> > e105bda2bb..cd16856910 100644
> > --- a/tools/xl/xl_parse.c
> > +++ b/tools/xl/xl_parse.c
> > @@ -521,6 +521,8 @@ int parse_nic_config(libxl_device_nic *nic,
> > XLU_Config **config, char *token)
> >          replace_string(&nic->colo_filter_redirector1_indev, oparg);
> >      } else if (MATCH_OPTION("colo_filter_redirector1_outdev", token, 
> > oparg))
> {
> >          replace_string(&nic->colo_filter_redirector1_outdev, oparg);
> > +    } else if (MATCH_OPTION("colo_iothread", token, oparg)) {
> > +        replace_string(&nic->colo_iothread, oparg);
> >      } else if (MATCH_OPTION("colo_compare_pri_in", token, oparg)) {
> >          replace_string(&nic->colo_compare_pri_in, oparg);
> >      } else if (MATCH_OPTION("colo_compare_sec_in", token, oparg)) {
> > @@ -
> > 529,6 +531,8 @@ int parse_nic_config(libxl_device_nic *nic, XLU_Config
> > **config, char *token)
> >          replace_string(&nic->colo_compare_out, oparg);
> >      } else if (MATCH_OPTION("colo_compare_notify_dev", token, oparg)) {
> >          replace_string(&nic->colo_compare_notify_dev, oparg);
> > +    } else if (MATCH_OPTION("colo_compare_iothread", token, oparg)) {
> > +        replace_string(&nic->colo_compare_iothread, oparg);
> >      } else if (MATCH_OPTION("colo_sock_sec_redirector0_id", token, oparg)) 
> > {
> >          replace_string(&nic->colo_sock_sec_redirector0_id, oparg);
> >      } else if (MATCH_OPTION("colo_sock_sec_redirector0_ip", token,
> > oparg)) {
> > --
> > 2.17.GIT


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