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authorDavid Gibson2016-10-20 05:08:07 +0200
committerDavid Gibson2016-10-28 00:38:27 +0200
commit246fc0fb66cbf861b0e76320626b059e2d49ea12 (patch)
treefdd6e888573923271dbc08822239db16760f4c66 /include
parentadb: change handler only when recognized (diff)
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libqos: Give qvirtio_config_read*() consistent semantics
The 'addr' parameter to qvirtio_config_read*() doesn't have a consistent meaning: when using the virtio-pci versions, it's a full PCI space address, but for virtio-mmio, it's an offset from the device's base mmio address. This means that the callers need to do different things to calculate the addresses in the two cases, which rather defeats the purpose of function pointer backends. All the current users of these functions are using them to retrieve variables from the device specific portion of the virtio config space. So, this patch alters the semantics to always be an offset into that device specific config area. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Laurent Vivier <lvivier@redhat.com> Reviewed-by: Greg Kurz <groug@kaod.org>
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