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authorJacob Pan <jacob.jun.pan@linux.intel.com>2020-05-16 14:20:44 +0800
committerJoerg Roedel <jroedel@suse.de>2020-05-18 15:37:25 +0200
commit3db9983e4327f773c490de2a8c66d6000561d88a (patch)
tree6372d5fa7297b8d7c1b771aa8004248ed07a0a1f /include/linux/intel-iommu.h
parent69cf449166987d9a041020be6422ee7bf94a7228 (diff)
iommu/vt-d: Move domain helper to header
Move domain helper to header to be used by SVA code. Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Link: https://lore.kernel.org/r/20200516062101.29541-2-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include/linux/intel-iommu.h')
-rw-r--r--include/linux/intel-iommu.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 980234ae0312..ed7171d2ae1f 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -595,6 +595,12 @@ static inline void __iommu_flush_cache(
clflush_cache_range(addr, size);
}
+/* Convert generic struct iommu_domain to private struct dmar_domain */
+static inline struct dmar_domain *to_dmar_domain(struct iommu_domain *dom)
+{
+ return container_of(dom, struct dmar_domain, domain);
+}
+
/*
* 0: readable
* 1: writable