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authorAlex Williamson <alex.williamson@redhat.com>2023-06-08 12:05:07 -0600
committerCédric Le Goater <clg@redhat.com>2023-06-30 06:02:51 +0200
commitf6b30c1984f7db16aa971d7f300e2191e5b730b6 (patch)
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parent634f38f0f73f12b86a53195782b26506c107a418 (diff)
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hw/vfio/pci-quirks: Support alternate offset for GPUDirect Cliques
NVIDIA Turing and newer GPUs implement the MSI-X capability at the offset previously reserved for use by hypervisors to implement the GPUDirect Cliques capability. A revised specification provides an alternate location. Add a config space walk to the quirk to check for conflicts, allowing us to fall back to the new location or generate an error at the quirk setup rather than when the real conflicting capability is added should there be no available location. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
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