71afe470e2
We plan to support different migration ABIs, ie. characterizing the ITS table layout format in guest RAM. For example, a new ABI will be needed if vLPIs get supported for nested use case. So let's introduce an array of supported ABIs (at the moment a single ABI is supported though). The following characteristics are foreseen to vary with the ABI: size of table entries, save/restore operation, the way abi settings are applied. By default the MAX_ABI_REV is applied on its creation. In subsequent patches we will introduce a way for the userspace to change the ABI in use. The entry sizes now are set according to the ABI version and not hardcoded anymore. Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Christoffer Dall <cdall@linaro.org> |
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