iommu: Enable smmu-v3 when 3408iMR/3416iMRraid card exist
euleros inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8RJAT?from=project-issue CVE: NA ---------------------------------- arm64 cannot support virtualization pass-through feature when using the 3408iMR/3416iMR raid card. For solving the problem, we add two functions: 1.we prepare init bypass level2 entry for specific devices when smmu uses 2 level streamid entry. 2.we add smmu.bypassdev cmdline to allow SMMU bypass streams for some specific devices. usage: 3408iMRraid: smmu.bypassdev=0x1000:0x17 3416iMRraid: smmu.bypassdev=0x1000:0x15 Signed-off-by:zhangnaichuan <zhangnaichuan@huawei.com> Signed-off-by:
<luochunsheng<luochunsheng@huawei.com> Signed-off-by:
Zheng Zengkai <zhengzengkai@huawei.com>
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