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SubjectRe: [PATCH 2/5] iommu/amd: Implement DOMAIN_ATTR_GEOMETRY attribute
On Thu, Jan 19, 2012 at 05:16:48PM +0000, Sethi Varun-B16395 wrote:
> > struct iommu_domain {
> > struct iommu_ops *ops;
> > void *priv;
> > iommu_fault_handler_t handler;
> > + struct iommu_domain_geometry geometry;
> > };
> In case of our iommu implementation the iommu_domain_geometry would
> include additional attributes. Why can't we let the geometry be
> Implementation dependent?
Because the values in this generic geometry-struct make sense for more
than one IOMMU (short-term for Tegra GART and Freescale PAMU). If you
have additional vendor-specific ones you could add them via a
vendor-specific attribute.

Regards,

Joerg

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AMD Operating System Research Center

Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632



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