[PATCH 0/3] move swiotlb.h header file to common code

This patchset does two things:

- creates an asm-generic/swiotlb.h header file and makes x86-64 and
IA64 both use it.

- makes swiotlb use 'enum dma_direction_dir' instead of 'int dir',
which is the right thing to according to the the DMA API, and updates
x86-64 and  ia64 accordingly. The code should be completely
equivalent. Compile tested on x86-64 and IA64.

This is the first step towards having a common IOMMU
infrastructure. Unfortunatly applying any of the patches require the
other two. It was posted to lkml a few days ago and there were no
comments.

Please apply.

Cheers,
Muli
-- 
Muli Ben-Yehuda
http://www.mulix.org | http://mulix.livejournal.com/

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