Message ID | 20230302123029.153265-25-pbonzini@redhat.com |
---|---|
State | New |
Headers | show
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Series |
[PULL,01/62] include: import Xen public headers to hw/xen/interface
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expand
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diff --git a/target/i386/kvm/xen-emu.c b/target/i386/kvm/xen-emu.c index c0a8e4c34e70..ac143c05a441 100644 --- a/target/i386/kvm/xen-emu.c +++ b/target/i386/kvm/xen-emu.c @@ -28,6 +28,7 @@ #include "hw/xen/interface/memory.h" #include "hw/xen/interface/hvm/hvm_op.h" #include "hw/xen/interface/vcpu.h" +#include "hw/xen/interface/event_channel.h" #include "xen-compat.h" @@ -588,6 +589,27 @@ static bool kvm_xen_hcall_vcpu_op(struct kvm_xen_exit *exit, X86CPU *cpu, return true; } +static bool kvm_xen_hcall_evtchn_op(struct kvm_xen_exit *exit, + int cmd, uint64_t arg) +{ + int err = -ENOSYS; + + switch (cmd) { + case EVTCHNOP_init_control: + case EVTCHNOP_expand_array: + case EVTCHNOP_set_priority: + /* We do not support FIFO channels at this point */ + err = -ENOSYS; + break; + + default: + return false; + } + + exit->u.hcall.result = err; + return true; +} + int kvm_xen_soft_reset(void) { CPUState *cpu; @@ -694,6 +716,9 @@ static bool do_kvm_xen_handle_exit(X86CPU *cpu, struct kvm_xen_exit *exit) case __HYPERVISOR_sched_op: return kvm_xen_hcall_sched_op(exit, cpu, exit->u.hcall.params[0], exit->u.hcall.params[1]); + case __HYPERVISOR_event_channel_op: + return kvm_xen_hcall_evtchn_op(exit, exit->u.hcall.params[0], + exit->u.hcall.params[1]); case __HYPERVISOR_vcpu_op: return kvm_xen_hcall_vcpu_op(exit, cpu, exit->u.hcall.params[0],