1 files changed, 75 insertions, 0 deletions
diff --git a/sys/amd64/vmm/vmm_lapic.h b/sys/amd64/vmm/vmm_lapic.h
new file mode 100644
index 000000000000..88fa94868fe8
--- /dev/null
+++ b/sys/amd64/vmm/vmm_lapic.h
@@ -0,0 +1,75 @@
+/*-
+ * Copyright (c) 2011 NetApp, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _VMM_LAPIC_H_
+#define	_VMM_LAPIC_H_
+
+struct vm;
+
+boolean_t lapic_msr(u_int num);
+int	lapic_rdmsr(struct vm *vm, int cpu, u_int msr, uint64_t *rval,
+	    bool *retu);
+int	lapic_wrmsr(struct vm *vm, int cpu, u_int msr, uint64_t wval,
+	    bool *retu);
+
+int	lapic_mmio_read(void *vm, int cpu, uint64_t gpa,
+			uint64_t *rval, int size, void *arg);
+int	lapic_mmio_write(void *vm, int cpu, uint64_t gpa,
+			 uint64_t wval, int size, void *arg);
+
+/*
+ * Signals to the LAPIC that an interrupt at 'vector' needs to be generated
+ * to the 'cpu', the state is recorded in IRR.
+ */
+int	lapic_set_intr(struct vm *vm, int cpu, int vector, bool trig);
+
+#define	LAPIC_TRIG_LEVEL	true
+#define	LAPIC_TRIG_EDGE		false
+static __inline int
+lapic_intr_level(struct vm *vm, int cpu, int vector)
+{
+
+	return (lapic_set_intr(vm, cpu, vector, LAPIC_TRIG_LEVEL));
+}
+
+static __inline int
+lapic_intr_edge(struct vm *vm, int cpu, int vector)
+{
+
+	return (lapic_set_intr(vm, cpu, vector, LAPIC_TRIG_EDGE));
+}
+
+/*
+ * Triggers the LAPIC local interrupt (LVT) 'vector' on 'cpu'.  'cpu' can
+ * be set to -1 to trigger the interrupt on all CPUs.
+ */
+int	lapic_set_local_intr(struct vm *vm, int cpu, int vector);
+
+int	lapic_intr_msi(struct vm *vm, uint64_t addr, uint64_t msg);
+
+#endif