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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>
This commit is contained in:
Jacob Pan 2020-05-16 14:20:44 +08:00 committed by Joerg Roedel
parent 69cf449166
commit 3db9983e43
2 changed files with 6 additions and 6 deletions
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6
drivers/iommu/intel-iommu.c
View File

@ -441,12 +441,6 @@ static void init_translation_status(struct intel_iommu *iommu)
iommu->flags |= VTD_FLAG_TRANS_PRE_ENABLED;
}
/* Convert generic 'struct iommu_domain to private struct dmar_domain */
static struct dmar_domain *to_dmar_domain(struct iommu_domain *dom)
{
return container_of(dom, struct dmar_domain, domain);
}
static int __init intel_iommu_setup(char *str)
{
if (!str)

6
include/linux/intel-iommu.h
View File

@ -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