svm: Add VMEXIT handlers for AVIC

This patch introduces VMEXIT handlers, avic_incomplete_ipi_interception()
and avic_unaccelerated_access_interception() along with two trace points
(trace_kvm_avic_incomplete_ipi and trace_kvm_avic_unaccelerated_access).

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index 2f1ea2f..39f264c 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -1292,6 +1292,63 @@
 		  __entry->vcpu_id, __entry->timer_index)
 );
 
+/*
+ * Tracepoint for AMD AVIC
+ */
+TRACE_EVENT(kvm_avic_incomplete_ipi,
+	    TP_PROTO(u32 vcpu, u32 icrh, u32 icrl, u32 id, u32 index),
+	    TP_ARGS(vcpu, icrh, icrl, id, index),
+
+	TP_STRUCT__entry(
+		__field(u32, vcpu)
+		__field(u32, icrh)
+		__field(u32, icrl)
+		__field(u32, id)
+		__field(u32, index)
+	),
+
+	TP_fast_assign(
+		__entry->vcpu = vcpu;
+		__entry->icrh = icrh;
+		__entry->icrl = icrl;
+		__entry->id = id;
+		__entry->index = index;
+	),
+
+	TP_printk("vcpu=%u, icrh:icrl=%#010x:%08x, id=%u, index=%u\n",
+		  __entry->vcpu, __entry->icrh, __entry->icrl,
+		  __entry->id, __entry->index)
+);
+
+TRACE_EVENT(kvm_avic_unaccelerated_access,
+	    TP_PROTO(u32 vcpu, u32 offset, bool ft, bool rw, u32 vec),
+	    TP_ARGS(vcpu, offset, ft, rw, vec),
+
+	TP_STRUCT__entry(
+		__field(u32, vcpu)
+		__field(u32, offset)
+		__field(bool, ft)
+		__field(bool, rw)
+		__field(u32, vec)
+	),
+
+	TP_fast_assign(
+		__entry->vcpu = vcpu;
+		__entry->offset = offset;
+		__entry->ft = ft;
+		__entry->rw = rw;
+		__entry->vec = vec;
+	),
+
+	TP_printk("vcpu=%u, offset=%#x(%s), %s, %s, vec=%#x\n",
+		  __entry->vcpu,
+		  __entry->offset,
+		  __print_symbolic(__entry->offset, kvm_trace_symbol_apic),
+		  __entry->ft ? "trap" : "fault",
+		  __entry->rw ? "write" : "read",
+		  __entry->vec)
+);
+
 #endif /* _TRACE_KVM_H */
 
 #undef TRACE_INCLUDE_PATH