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authorSohil Mehta <sohil.mehta@intel.com>2018-09-11 17:11:38 -0700
committerJoerg Roedel <jroedel@suse.de>2018-09-25 14:33:43 +0200
commitee2636b8670b1ab2a02a65923a9bef59e9199c37 (patch)
tree340b641db7e72cba2cf7c7746f6a1f529aa1a9b5 /include/linux/intel-iommu.h
parentiommu/vt-d: Update register definitions to VT-d 3.0 specification (diff)
downloadlinux-dev-ee2636b8670b1ab2a02a65923a9bef59e9199c37.tar.xz
linux-dev-ee2636b8670b1ab2a02a65923a9bef59e9199c37.zip
iommu/vt-d: Enable base Intel IOMMU debugfs support
Add a new config option CONFIG_INTEL_IOMMU_DEBUGFS and do the base enabling for Intel IOMMU debugfs. Cc: Lu Baolu <baolu.lu@linux.intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Ashok Raj <ashok.raj@intel.com> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com> Co-Developed-by: Gayatri Kammela <gayatri.kammela@intel.com> Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Sohil Mehta <sohil.mehta@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 3bdb9aa198af..b0ae25837361 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -621,6 +621,12 @@ extern int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct intel_svm_
extern struct intel_iommu *intel_svm_device_to_iommu(struct device *dev);
#endif
+#ifdef CONFIG_INTEL_IOMMU_DEBUGFS
+void intel_iommu_debugfs_init(void);
+#else
+static inline void intel_iommu_debugfs_init(void) {}
+#endif /* CONFIG_INTEL_IOMMU_DEBUGFS */
+
extern const struct attribute_group *intel_iommu_groups[];
bool context_present(struct context_entry *context);
struct context_entry *iommu_context_addr(struct intel_iommu *iommu, u8 bus,