> From: David Miller
> Sent: Thursday, July 16, 2015 12:13
>
> From: Dexuan Cui
> Date: Tue, 14 Jul 2015 02:58:03 -0700
>
> > A helper function is also added.
> >
> > diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
> > @@ -236,6 +236,7 @@ struct vmbus_channel_offer {
> > #define VMBUS_CHANNEL_LOOPBACK_OFFER 0x100
> > #define VMBUS_CHANNEL_PARENT_OFFER 0x200
> > #define VMBUS_CHANNEL_REQUEST_MONITORED_NOTIFICATION 0x400
> > +#define VMBUS_CHANNEL_TLNPI_PROVIDER_OFFER 0x2000
> >
> > struct vmpacket_descriptor {
> > u16 type;
> > @@ -758,6 +759,12 @@ struct vmbus_channel {
> > struct list_head percpu_list;
> > };
> >
> > +static inline bool is_hvsock_channel(const struct vmbus_channel *c)
> > +{
> > + return !!(c->offermsg.offer.chn_flags &
> > + VMBUS_CHANNEL_TLNPI_PROVIDER_OFFER);
> > +}
> > +
>
> This is not indented properly, plus it makes no sense to add a flag before
> anyone even sets the flag.
Hi David,
Thanks for pointing out the indentation issue! I'll fix it in V3.
The flag is set by the host: the c->offermsg is in the shared VMBus ringbuffer
between the host and the guest, so it makes sense for us to check the flag. :-)
-- Dexuan
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