Messages in this thread |  | | Date | Mon, 4 Feb 2013 19:56:50 +0100 | From | Joerg Roedel <> | Subject | Re: [PATCH 4/5] iommu: Add domain window handling functions |
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On Mon, Feb 04, 2013 at 12:10:51PM -0600, Stuart Yoder wrote: > On Mon, Feb 4, 2013 at 7:18 AM, Joerg Roedel <joro@8bytes.org> wrote: > > +static inline int iommu_domain_window_enable(struct iommu_domain *domain, > > + u32 wnd_nr, phys_addr_t paddr, > > + size_t size) > > +{ > > + return -ENODEV; > > +} > > + > > +static inline void iommu_domain_window_disable(struct iommu_domain *domain, > > + u32 wnd_nr) > > +{ > > +} > > + > > static inline phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, > > unsigned long iova) > > { > > This API looks workable. The one change we need is that the size argument in > the enable API needs to be 64 bits. Our window sizes can exceed 4GB.
Okay. So if your architecture supports sizes over 2^32 then size_t probably is already 64bits, right?
Joerg
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