View device <=> IOMMU mapping table

[Real Name]

On Tue, Jul 08, 2014 at 09:33:40PM -0700, Ahmed A wrote:
> Hello,
> 
> I have a server, and on the motherboard there are two CPU sockets, with a CPU in each.  There is a x16 PCIe slot connected to each CPU socket.  There are two different cards in each PCIe slot.  Is there a utility or some kernel data structure I can look at to find the device to IOMMU (socket 0 or socket 1) mapping?

please try:
1) lspci -vs THE_PCI_ID
2) cat /proc/iomem

> 
> Thank you,
> Ahmed.

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