@@ -1115,6 +1115,16 @@ static void vtd_context_device_invalidate(IntelIOMMUState *s,
trace_vtd_inv_desc_cc_device(bus_n, VTD_PCI_SLOT(devfn_it),
VTD_PCI_FUNC(devfn_it));
vtd_as->context_cache_entry.context_cache_gen = 0;
+ /*
+ * So a device is moving out of (or moving into) a
+ * domain, a replay() suites here to notify all the
+ * IOMMU_NOTIFIER_MAP registers about this change.
+ * This won't bring bad even if we have no such
+ * notifier registered - the IOMMU notification
+ * framework will skip MAP notifications if that
+ * happened.
+ */
+ memory_region_iommu_replay_all(&vtd_as->iommu);
}
}
}
Before this one we only invalidate context cache when we receive context entry invalidations. However it's possible that the invalidation also contains a domain switch (only if cache-mode is enabled for vIOMMU). In that case we need to notify all the registered components about the new mapping. Signed-off-by: Peter Xu <peterx@redhat.com> --- hw/i386/intel_iommu.c | 10 ++++++++++ 1 file changed, 10 insertions(+)