On Fri, Mar 20, 2009 at 07:15:51PM +0800, David Woodhouse wrote:
On Fri, 2009-03-20 at 10:47 +0800, Zhao, Yu wrote:
If it's possible, I'd like it go through the PCI tree because the ATS
depends on the SR-IOV. This dependency is not reflected in this v3
series since the SR-IOV is not
On Thu, 12 Feb 2009 20:50:32 +0800
Yu Zhao yu.z...@intel.com wrote:
This patch series implements Address Translation Service support for
the Intel IOMMU. ATS makes the PCI Endpoint be able to request the
DMA address translation from the IOMMU and cache the translation in
the Endpoint, thus
On Thu, 12 Feb 2009 20:50:32 +0800
Yu Zhao yu.z...@intel.com wrote:
This patch series implements Address Translation Service support for
the Intel IOMMU. ATS makes the PCI Endpoint be able to request the
DMA address translation from the IOMMU and cache the translation in
the Endpoint, thus
Jesse Barnes wrote:
On Thu, 12 Feb 2009 20:50:32 +0800
Yu Zhao yu.z...@intel.com wrote:
This patch series implements Address Translation Service support for
the Intel IOMMU. ATS makes the PCI Endpoint be able to request the
DMA address translation from the IOMMU and cache the translation in
On Thu, Feb 26, 2009 at 10:50:35AM +0800, Yu Zhao wrote:
...
Yu,
Can you please add something to Documentation/PCI/pci.txt?
New API I'm seeing are:
+extern int pci_enable_ats(struct pci_dev *dev, int ps);
+extern void pci_disable_ats(struct pci_dev *dev);
+extern int
On Sun, Feb 15, 2009 at 06:59:10AM +0800, Grant Grundler wrote:
On Thu, Feb 12, 2009 at 08:50:32PM +0800, Yu Zhao wrote:
This patch series implements Address Translation Service support for
the Intel IOMMU. ATS makes the PCI Endpoint be able to request the
DMA address translation from the
On Thu, Feb 26, 2009 at 10:50:35AM +0800, Yu Zhao wrote:
On Sun, Feb 15, 2009 at 06:59:10AM +0800, Grant Grundler wrote:
On Thu, Feb 12, 2009 at 08:50:32PM +0800, Yu Zhao wrote:
This patch series implements Address Translation Service support for
the Intel IOMMU. ATS makes the PCI
On Thu, Feb 12, 2009 at 08:50:32PM +0800, Yu Zhao wrote:
This patch series implements Address Translation Service support for
the Intel IOMMU. ATS makes the PCI Endpoint be able to request the
DMA address translation from the IOMMU and cache the translation in
the Endpoint, thus alleviate
This patch series implements Address Translation Service support for
the Intel IOMMU. ATS makes the PCI Endpoint be able to request the
DMA address translation from the IOMMU and cache the translation in
the Endpoint, thus alleviate IOMMU pressure and improve the hardware
performance in the I/O
On Thu, Feb 12, 2009 at 08:50:32PM +0800, Yu Zhao wrote:
2, avoid using pci_find_ext_capability every time when reading ATS
Invalidate Queue Depth (Matthew Wilcox)
er ... I didn't say it was a problem. I said I couldn't tell if it was a
problem. There's no point in taking up an extra 4
Matthew Wilcox wrote:
On Thu, Feb 12, 2009 at 08:50:32PM +0800, Yu Zhao wrote:
2, avoid using pci_find_ext_capability every time when reading ATS
Invalidate Queue Depth (Matthew Wilcox)
er ... I didn't say it was a problem. I said I couldn't tell if it was a
problem. There's no point
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