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-rw-r--r--arch/x86/events/amd/iommu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/events/amd/iommu.h b/arch/x86/events/amd/iommu.h
index 845d173278e3..5c5c9329e571 100644
--- a/arch/x86/events/amd/iommu.h
+++ b/arch/x86/events/amd/iommu.h
@@ -28,6 +28,8 @@
#define IOMMU_BASE_DEVID 0x0000
/* amd_iommu_init.c external support functions */
+extern int amd_iommu_get_num_iommus(void);
+
extern bool amd_iommu_pc_supported(void);
extern u8 amd_iommu_pc_get_max_banks(u16 devid);