AMD IOMMU: save pci segment from ACPI tables

This patch adds the pci_seg field to the amd_iommu structure and fills
it with the corresponding value from the ACPI table.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/asm-x86/amd_iommu_types.h b/include/asm-x86/amd_iommu_types.h
index 8b8cd0c60b3c..20814b85bbc3 100644
--- a/include/asm-x86/amd_iommu_types.h
+++ b/include/asm-x86/amd_iommu_types.h
@@ -232,6 +232,9 @@ struct amd_iommu {
         /* capabilities of that IOMMU read from ACPI */
         u32 cap;
 
+        /* pci domain of this IOMMU */
+        u16 pci_seg;
+
         /* first device this IOMMU handles. read from PCI */
         u16 first_device;
         /* last device this IOMMU handles. read from PCI */