From: Yu Zhao <yu.zhao@intel.com>
Date: Mon, 18 May 2009 05:51:32 +0000 (+0800)
Subject: PCI: support the ATS capability
X-Git-Tag: v2.6.31-rc1~45^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=302b4215daa0a704c843da40fd2529e5757a72da;p=pandora-kernel.git

PCI: support the ATS capability

The PCIe ATS capability makes the Endpoint be able to request the
DMA address translation from the IOMMU and cache the translation
in the device side, thus alleviate IOMMU pressure and improve the
hardware performance in the I/O virtualization environment.

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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