summary refs log tree commit diff stats
diff options
context:
space:
mode:
authorAndrey Smetanin <asmetanin@virtuozzo.com>2016-02-24 13:22:48 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2016-04-05 11:46:52 +0200
commit1b0d9b05d45af1d38a1b354a57d7cd16775fee87 (patch)
tree36290c1071d12a56f047562e65a7c3174cb55bb0
parentb89485a52e38dcdacffa311706734ee82a97fab9 (diff)
downloadfocaccia-qemu-1b0d9b05d45af1d38a1b354a57d7cd16775fee87.tar.gz
focaccia-qemu-1b0d9b05d45af1d38a1b354a57d7cd16775fee87.zip
target-i386/kvm: Hyper-V VMBus hypercalls blank handlers
Add Hyper-V VMBus hypercalls blank handlers which
just returns error code - HV_STATUS_INVALID_HYPERCALL_CODE.
This is required when the synthetic interrupt controller is
active.

Fixes: 50efe82c3c27195162dd8df273eadd77d8aecad3
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Richard Henderson <rth@twiddle.net>
CC: Eduardo Habkost <ehabkost@redhat.com>
CC: "Andreas Färber" <afaerber@suse.de>
CC: Marcelo Tosatti <mtosatti@redhat.com>
CC: Roman Kagan <rkagan@virtuozzo.com>
CC: Denis V. Lunev <den@openvz.org>
CC: kvm@vger.kernel.org
Message-Id: <1456309368-29769-2-git-send-email-asmetanin@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--target-i386/hyperv.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/target-i386/hyperv.c b/target-i386/hyperv.c
index 6b519c392e..c4d6a9b2b1 100644
--- a/target-i386/hyperv.c
+++ b/target-i386/hyperv.c
@@ -44,6 +44,18 @@ int kvm_hv_handle_exit(X86CPU *cpu, struct kvm_hyperv_exit *exit)
             return -1;
         }
         return 0;
+    case KVM_EXIT_HYPERV_HCALL: {
+        uint16_t code;
+
+        code  = exit->u.hcall.input & 0xffff;
+        switch (code) {
+        case HVCALL_POST_MESSAGE:
+        case HVCALL_SIGNAL_EVENT:
+        default:
+            exit->u.hcall.result = HV_STATUS_INVALID_HYPERCALL_CODE;
+            return 0;
+        }
+    }
     default:
         return -1;
     }