diff options
| author | Roman Kagan <rkagan@virtuozzo.com> | 2018-09-21 11:22:14 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-10-19 13:44:14 +0200 |
| commit | e6ea9f45b72fe83d49adda948ff397dafc00c68f (patch) | |
| tree | 3ee2f2ccf099e8954effcf3a2139653a735fc173 /target/i386/hyperv.c | |
| parent | f5642f8b458ba578c1ea94b9ad773e1e5c6cb615 (diff) | |
hyperv: process SIGNAL_EVENT hypercall
Add handling of SIGNAL_EVENT hypercall. For that, provide an interface
to associate an EventNotifier with an event connection number, so that
it's signaled when the SIGNAL_EVENT hypercall with the matching
connection ID is called by the guest.
Support for using KVM functionality for this will be added in a followup
patch.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20180921082217.29481-8-rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/i386/hyperv.c')
| -rw-r--r-- | target/i386/hyperv.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/target/i386/hyperv.c b/target/i386/hyperv.c index 3f76c3e266..96b3b5ad7f 100644 --- a/target/i386/hyperv.c +++ b/target/i386/hyperv.c @@ -79,16 +79,18 @@ int kvm_hv_handle_exit(X86CPU *cpu, struct kvm_hyperv_exit *exit) return 0; case KVM_EXIT_HYPERV_HCALL: { - uint16_t code; + uint16_t code = exit->u.hcall.input & 0xffff; + bool fast = exit->u.hcall.input & HV_HYPERCALL_FAST; + uint64_t param = exit->u.hcall.params[0]; - code = exit->u.hcall.input & 0xffff; switch (code) { - case HV_POST_MESSAGE: case HV_SIGNAL_EVENT: + exit->u.hcall.result = hyperv_hcall_signal_event(param, fast); + break; default: exit->u.hcall.result = HV_STATUS_INVALID_HYPERCALL_CODE; - return 0; } + return 0; } default: return -1; |