[Xen-devel] [RFC v1 06/15] vt-d: Extend struct iremap_entry to support VT-d Posted-Interrupts

[Feng Wu <feng.wu@xxxxxxxxx>]

Extend struct iremap_entry according to VT-d Posted-Interrupts Spec.

Signed-off-by: Feng Wu <feng.wu@xxxxxxxxx>
---
 xen/drivers/passthrough/vtd/iommu.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/xen/drivers/passthrough/vtd/iommu.h 
b/xen/drivers/passthrough/vtd/iommu.h
index 42047e0..cd61e12 100644
--- a/xen/drivers/passthrough/vtd/iommu.h
+++ b/xen/drivers/passthrough/vtd/iommu.h
@@ -303,6 +303,18 @@ struct iremap_entry {
             res_2   : 8,
             dst     : 32;
     }lo;
+    struct {
+        u64 p       : 1,
+            fpd     : 1,
+            res_1   : 6,
+            avail   : 4,
+            res_2   : 2,
+            urg     : 1,
+            im      : 1,
+            vector  : 8,
+            res_3   : 14,
+            pda_l   : 26;
+    }lo_intpost;
   };
   union {
     u64 hi_val;
@@ -312,6 +324,13 @@ struct iremap_entry {
             svt     : 2,
             res_1   : 44;
     }hi;
+    struct {
+        u64 sid     : 16,
+            sq      : 2,
+            svt     : 2,
+            res_1   : 12,
+            pda_h   : 32;
+    }hi_intpost;
   };
 };
 
-- 
2.1.0


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