[PATCH rfcv2 06/20] host_iommu_device: Define two new capabilities HOST_IOMMU_DEVICE_CAP_[NESTING|FS1GP]

[Zhenzhong Duan]

Signed-off-by: Zhenzhong Duan <zhenzhong.d...@intel.com>
---
 include/system/host_iommu_device.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/system/host_iommu_device.h 
b/include/system/host_iommu_device.h
index df782598f2..18f8b5e5cf 100644
--- a/include/system/host_iommu_device.h
+++ b/include/system/host_iommu_device.h
@@ -22,10 +22,16 @@
  *
  * @hw_caps: host platform IOMMU capabilities (e.g. on IOMMUFD this represents
  *           the @out_capabilities value returned from IOMMU_GET_HW_INFO ioctl)
+ *
+ * @nesting: nesting page table support.
+ *
+ * @fs1gp: first stage(a.k.a, Stage-1) 1GB huge page support.
  */
 typedef struct HostIOMMUDeviceCaps {
     uint32_t type;
     uint64_t hw_caps;
+    bool nesting;
+    bool fs1gp;
 } HostIOMMUDeviceCaps;
 
 #define TYPE_HOST_IOMMU_DEVICE "host-iommu-device"
@@ -122,6 +128,8 @@ struct HostIOMMUDeviceClass {
  */
 #define HOST_IOMMU_DEVICE_CAP_IOMMU_TYPE        0
 #define HOST_IOMMU_DEVICE_CAP_AW_BITS           1
+#define HOST_IOMMU_DEVICE_CAP_NESTING           2
+#define HOST_IOMMU_DEVICE_CAP_FS1GP             3
 
 #define HOST_IOMMU_DEVICE_CAP_AW_BITS_MAX       64
 #endif
-- 
2.34.1