@@ -16,11 +16,14 @@
#include "trace.h"
#include "sysemu/sysemu.h"
+#define __XEN_INTERFACE_VERSION__ 0x00040400
+
#include "standard-headers/xen/version.h"
#include "standard-headers/xen/memory.h"
#include "standard-headers/xen/hvm/hvm_op.h"
#include "standard-headers/xen/hvm/params.h"
#include "standard-headers/xen/vcpu.h"
+#include "standard-headers/xen/event_channel.h"
#define PAGE_OFFSET 0xffffffff80000000UL
#define PAGE_SHIFT 12
@@ -436,6 +439,43 @@ static int kvm_xen_hcall_vcpu_op(struct kvm_xen_exit *exit, X86CPU *cpu,
return err ? HCALL_ERR : 0;
}
+static int kvm_xen_hcall_evtchn_op_compat(struct kvm_xen_exit *exit,
+ X86CPU *cpu, uint64_t arg)
+{
+ struct evtchn_op *op = gva_to_hva(CPU(cpu), arg);
+ int err = -ENOSYS;
+
+ if (!op) {
+ goto err;
+ }
+
+ switch (op->cmd) {
+ default:
+ exit->u.hcall.result = err;
+ return 0;
+ }
+err:
+ exit->u.hcall.result = err;
+ return err ? HCALL_ERR : 0;
+}
+
+static int kvm_xen_hcall_evtchn_op(struct kvm_xen_exit *exit,
+ int cmd, uint64_t arg)
+{
+ int err = -ENOSYS;
+
+ switch (cmd) {
+ case EVTCHNOP_init_control:
+ /* FIFO ABI */
+ default:
+ exit->u.hcall.result = err;
+ return 0;
+ }
+
+ exit->u.hcall.result = err;
+ return err ? HCALL_ERR : 0;
+}
+
static int __kvm_xen_handle_exit(X86CPU *cpu, struct kvm_xen_exit *exit)
{
uint16_t code = exit->u.hcall.input;
@@ -449,6 +489,12 @@ static int __kvm_xen_handle_exit(X86CPU *cpu, struct kvm_xen_exit *exit)
case HVMOP_set_evtchn_upcall_vector:
return kvm_xen_hcall_evtchn_upcall_vector(exit, cpu,
exit->u.hcall.params[0]);
+ case __HYPERVISOR_event_channel_op_compat:
+ return kvm_xen_hcall_evtchn_op_compat(exit, cpu,
+ exit->u.hcall.params[0]);
+ 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],