Messages in this thread | | | Date | Tue, 21 Apr 2015 23:02:38 -0400 | From | Jon Masters <> | Subject | Re: [PATCH v5 0/4]PCI: X-Gene: Add APM X-Gene v1 MSI/MSIX termination driver |
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On 04/21/2015 12:04 AM, Duc Dang wrote: > This patch set adds MSI/MSIX termination driver support for APM X-Gene v1 SoC. > APM X-Gene v1 SoC supports its own implementation of MSI, which is not compliant > to GIC V2M specification for MSI Termination. > > There is single MSI block in X-Gene v1 SOC which serves all 5 PCIe ports. This MSI > block supports 2048 MSI termination ports coalesced into 16 physical HW IRQ lines > and shared across all 5 PCIe ports. As the version 5 of this patch, the total MSI > vectors this driver supports is reduced to 256 to maintain the correct set_affinity > behavior for each MSI.
Quick note that I have tested the previous several versions of this patch series on several platforms and will test v6 once available with the pending feedback addressed.
Jon.
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