Re: [Xen-devel] [RFC][PATCH 02/13] introduce XENMEM_reserved_device_memory_map

["Chen, Tiejun" <tiejun.chen@xxxxxxxxx>]

 >>> @@ -121,6 +121,8 @@ void iommu_dt_domain_destroy(struct domain *d);
> > >   struct page_info;
> > >
> > > +typedef int iommu_grdm_t(xen_pfn_t start, xen_ulong_t nr, u32 id, void *ctxt);
> > This needs a comment describing what the return values are.
> Will do.

I'm not sure if yourself determine providing this. So here I just 
initial one draft,
/*
 * Get rdm info handling.
 *
 *    return   0: Don't hit rdm. This means either there's no any rdm 
existent,
 *                or there's no any rdm matching requirements.
 *           < 0: Failed.
 *           > 0: Handle to special case.
 *                  1: Hit one rdm entry.
 *                  others: Currently this is never happened.
 */

But if you already have one just please ignore this and tell me

Thanks
Tiejun


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