crosvm: add handling for hyperv exits

When features for Hyper-V are enabled there's a another type of exit
that can be triggered.  This change attempts to add support for those
types of exits.

BUG=b:150151095
TEST=ran build_test

Change-Id: I3131a2c8d9c610576ac177dbfe82f78e8d5dbfb1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2073254
Reviewed-by: Matt Delco <delco@chromium.org>
Tested-by: Matt Delco <delco@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Commit-Queue: Matt Delco <delco@chromium.org>
Auto-Submit: Matt Delco <delco@chromium.org>

1 files changed, 16 insertions, 1 deletions

diff --git a/protos/src/plugin.proto b/protos/src/plugin.proto
index 442eef0..8e5f3a9 100644
--- a/protos/src/plugin.proto
+++ b/protos/src/plugin.proto
@@ -403,15 +403,30 @@ message VcpuResponse  {
             bytes debugregs = 8;
         }
 
-        // This type of wait reason is only generated after a PuaseVcpus request on this VCPU.
+        // This type of wait reason is only generated after a PauseVcpus request on this VCPU.
         message User {
             uint64 user = 1;
         }
 
+        message HypervCall {
+            uint64 input = 1;
+            uint64 params0 = 2;
+            uint64 params1 = 3;
+        }
+
+        message HypervSynic {
+            uint32 msr = 1;
+            uint64 control = 2;
+            uint64 evt_page = 3;
+            uint64 msg_page = 4;
+        }
+
         oneof exit {
             Init init = 1;
             Io io = 2;
             User user = 3;
+            HypervCall hyperv_call = 4;
+            HypervSynic hyperv_synic = 5;
         }
     }