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SubjectRe: [PATCH v4 00/14] Copy Offload in NVMe Fabrics with P2P PCI Memory
Hi Christian,

On 5/2/2018 5:51 AM, Christian König wrote:
> it would be rather nice to have if you could separate out the functions
> to detect if peer2peer is possible between two devices.

This would essentially be pci_p2pdma_distance() in the existing
patchset. It returns the sum of the distance between a list of clients
and a P2PDMA provider. It returns -1 if peer2peer is not possible
between the devices (presently this means they are not behind the same
root port).


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