[uml-devel] Use iomem for cluster interconnect

[uml-devel] Use iomem for cluster interconnect

[Shlomo Pongratz]

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Hi All,

In Jeff Dike's book User Mode Linux it is mentioned in page 247 that iomem
driver "is mostly used for writing emulated drivers and cluster
interconnect".
Did anyone encountered an example of one of these usages? Except for the
obvious demo driver mmapper_kern.c
I'm trying to emulate two boards connected via PCIe (one is of course root
complex and the other is an endpoint). Thus iomem seems the obvious
solution.
I'm also interested with simulating PCIe doorbell interrupt from one
simulated board to the other.

Best regards,

S.P.

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