Re: [PATCH 4/4] iommu: Add domain window handling functions

[Joerg Roedel]

On Thu, Jan 31, 2013 at 09:32:26AM +0000, Sethi Varun-B16395 wrote:
> We need a mechanism to determine the maximum number of subwindows supported by PAMU. How about representing it in the iommu_domain structure:
> struct  iommu_domain {
> 	struct iommu_ops *ops;
> 	void *priv;
> 	iommu_fault_handler_t handler;
> 	void *handler_token;
> 	struct iommu_domain_geometry geometry;
> 	u32 max_sub_windows; -----> maximum number of sub windows supported by the hardware.
> }

I`ll leave that flag to the private-data of the IOMMU domain. Instead I
added a DOMAIN_ATTR_WINDOWS attribute to get/set the number of
subwindows. I'll post the updated patch-set soon.


	Joerg


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