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authorLu Baolu <baolu.lu@linux.intel.com>2018-07-14 10:46:58 +0300
committerJoerg Roedel <jroedel@suse.de>2018-07-20 15:44:24 +0300
commit85319dcc8955f8f31828dc8bafff29f6aa011d93 (patch)
tree83b5de3dfe789b170a7e6b4f5fc377f89c60b028 /include
parent9ddbfb42138d84bb326023616c40a3dc30ea2837 (diff)
downloadlinux-85319dcc8955f8f31828dc8bafff29f6aa011d93.tar.xz
iommu/vt-d: Add for_each_device_domain() helper
This adds a helper named for_each_device_domain() to iterate over the elements in device_domain_list and invoke a callback against each element. This allows to search the device_domain list in other source files. Cc: Ashok Raj <ashok.raj@intel.com> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com> Cc: Kevin Tian <kevin.tian@intel.com> Cc: Liu Yi L <yi.l.liu@intel.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Reviewed-by: Liu Yi L <yi.l.liu@intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/intel-iommu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 2e1fbde020ca..4fd4c6fee93e 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -520,6 +520,8 @@ struct dmar_domain *get_valid_domain_for_dev(struct device *dev);
void *alloc_pgtable_page(int node);
void free_pgtable_page(void *vaddr);
struct intel_iommu *domain_get_iommu(struct dmar_domain *domain);
+int for_each_device_domain(int (*fn)(struct device_domain_info *info,
+ void *data), void *data);
#ifdef CONFIG_INTEL_IOMMU_SVM
extern int intel_svm_alloc_pasid_tables(struct intel_iommu *iommu);