[PATCH v4 03/22] iommu/vt-d: add a flag for pasid table bound status

From: Jacob Pan
Date: Mon Apr 16 2018 - 17:54:42 EST


Adding a flag in device domain into to track whether a guest or
user PASID table is bound to a device.

Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
---
include/linux/intel-iommu.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 304afae..ddc7d79 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -473,6 +473,7 @@ struct device_domain_info {
u8 pri_enabled:1;
u8 ats_supported:1;
u8 ats_enabled:1;
+ u8 pasid_table_bound:1;
u8 ats_qdep;
u64 fault_mask; /* selected IOMMU faults to be reported */
struct device *dev; /* it's NULL for PCIe-to-PCI bridge */
--
2.7.4