[Xen-changelog] [xen master] vmx: extend struct pi_desc to support VT-d Posted-Interrupts

[patchbot@xxxxxxx]

commit 30e3f328a5cc3747d9e038f2a80f39363dd65ea0
Author:     Feng Wu <feng.wu@xxxxxxxxx>
AuthorDate: Tue Nov 24 12:10:36 2015 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Nov 24 12:10:36 2015 +0100

    vmx: extend struct pi_desc to support VT-d Posted-Interrupts
    
    Extend struct pi_desc according to VT-d Posted-Interrupts Spec.
    
    Signed-off-by: Feng Wu <feng.wu@xxxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Kevin Tian <kevin.tian@xxxxxxxxx>
    Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
---
 xen/include/asm-x86/hvm/vmx/vmcs.h |   14 ++++++++++++--
 1 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/xen/include/asm-x86/hvm/vmx/vmcs.h 
b/xen/include/asm-x86/hvm/vmx/vmcs.h
index f873523..0a69a44 100644
--- a/xen/include/asm-x86/hvm/vmx/vmcs.h
+++ b/xen/include/asm-x86/hvm/vmx/vmcs.h
@@ -80,8 +80,18 @@ struct vmx_domain {
 
 struct pi_desc {
     DECLARE_BITMAP(pir, NR_VECTORS);
-    u32 control;
-    u32 rsvd[7];
+    union {
+        struct {
+            u16     on     : 1,  /* bit 256 - Outstanding Notification */
+                    sn     : 1,  /* bit 257 - Suppress Notification */
+                    rsvd_1 : 14; /* bit 271:258 - Reserved */
+            u8      nv;          /* bit 279:272 - Notification Vector */
+            u8      rsvd_2;      /* bit 287:280 - Reserved */
+            u32     ndst;        /* bit 319:288 - Notification Destination */
+        };
+        u64 control;
+    };
+    u32 rsvd[6];
 } __attribute__ ((aligned (64)));
 
 #define ept_get_wl(ept)   ((ept)->ept_wl)
--
generated by git-patchbot for /home/xen/git/xen.git#master

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