Re: [Xen-devel] [PATCH v3 1/7] vTPM: event channel bind interdomain with para/hvm virtual machine

[Xu, Quan]

> -----Original Message-----
> From: xen-devel-boun...@lists.xen.org
> [mailto:xen-devel-boun...@lists.xen.org] On Behalf Of Wei Liu
> Sent: Friday, March 13, 2015 10:03 PM
> To: Xu, Quan
> Cc: wei.l...@citrix.com; k...@xen.org; ian.campb...@citrix.com;
> stefano.stabell...@eu.citrix.com; t...@xen.org; stef...@linux.vnet.ibm.com;
> ian.jack...@eu.citrix.com; xen-devel@lists.xen.org; jbeul...@suse.com;
> samuel.thiba...@ens-lyon.org; dgde...@tycho.nsa.gov
> Subject: Re: [Xen-devel] [PATCH v3 1/7] vTPM: event channel bind interdomain
> with para/hvm virtual machine
> 
> On Tue, Mar 10, 2015 at 08:13:56AM -0400, Quan Xu wrote:
> > Signed-off-by: Quan Xu <quan...@intel.com>
> > ---
> >  extras/mini-os/tpmback.c | 25 ++++++++++++++-----------
> 
> FYI mini-os now lives in a separate tree.
> 
> http://xenbits.xen.org/gitweb/?p=mini-os.git;a=summary
> 

Thanks, I will send out the next version with this separate tree.

Quan

> 
> >  1 file changed, 14 insertions(+), 11 deletions(-)
> >
> > diff --git a/extras/mini-os/tpmback.c b/extras/mini-os/tpmback.c index
> > 00b66e8..8a0a983 100644
> > --- a/extras/mini-os/tpmback.c
> > +++ b/extras/mini-os/tpmback.c
> > @@ -608,18 +608,21 @@ int connect_fe(tpmif_t* tpmif)
> >     }
> >     free(value);
> >
> > -   domid = tpmif->domid;
> > -   if((tpmif->page = gntmap_map_grant_refs(&gtpmdev.map, 1, &domid, 0,
> &ringref, PROT_READ | PROT_WRITE)) == NULL) {
> > -      TPMBACK_ERR("Failed to map grant reference %u/%u\n", (unsigned
> int) tpmif->domid, tpmif->handle);
> > -      return -1;
> > -   }
> > +    domid = (unsigned int)tpmif->domid;
> > +    if ((tpmif->page = gntmap_map_grant_refs(&gtpmdev.map, 1, &domid,
> 0, &ringref,
> > +                                             PROT_READ |
> PROT_WRITE)) == NULL) {
> > +        TPMBACK_ERR("Failed to map grant reference %u/%u\n",
> > +                    tpmif->domid, tpmif->handle);
> > +        return -1;
> > +    }
> > +
> > +    /* Bind the event channel */
> > +    if ((evtchn_bind_interdomain(domid, evtchn, tpmback_handler, tpmif,
> &tpmif->evtchn))) {
> > +        TPMBACK_ERR("%u/%u Unable to bind to interdomain event
> channel!\n",
> > +                    (unsigned int) tpmif->domid, tpmif->handle);
> > +        goto error_post_map;
> > +    }
> >
> > -   /*Bind the event channel */
> > -   if((evtchn_bind_interdomain(tpmif->domid, evtchn, tpmback_handler,
> tpmif, &tpmif->evtchn)))
> > -   {
> > -      TPMBACK_ERR("%u/%u Unable to bind to interdomain event
> channel!\n", (unsigned int) tpmif->domid, tpmif->handle);
> > -      goto error_post_map;
> > -   }
> >     unmask_evtchn(tpmif->evtchn);
> >
> >     /* Write the ready flag and change status to connected */
> > --
> > 1.8.3.2
> >
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@lists.xen.org
> > http://lists.xen.org/xen-devel
> 
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