iommu/amd: Keep track of HPET and IOAPIC device ids
The IVRS ACPI table provides information about the IOAPICs
and the HPETs available in the system and which PCI device
ID they use in transactions. Save that information for later
usage in interrupt remapping.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index b64502d..6f51483 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -72,6 +72,9 @@
static LIST_HEAD(dev_data_list);
static DEFINE_SPINLOCK(dev_data_list_lock);
+LIST_HEAD(ioapic_map);
+LIST_HEAD(hpet_map);
+
/*
* Domain for untranslated devices - only allocated
* if iommu=pt passed on kernel cmd line.