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: 50efe82c3c
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>
master
Andrey Smetanin 2016-02-24 13:22:48 +03:00 committed by Paolo Bonzini
parent b89485a52e
commit 1b0d9b05d4
1 changed files with 12 additions and 0 deletions

View File

@ -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;
}