pseries: Support PCI extended config space in RTAS calls
On the pseries machine (which expexts a paravirtualized guest), guest access to PCI config space is via host-provided RTAS functions. This patch extends these RTAS functions to permit access to PCI extended config space, as specified in PAPR. Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au> Signed-off-by: NAlexander Graf <agraf@suse.de>
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