2 * Copyright (c) 2011 NetApp, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
33 #include <sys/systm.h>
35 #include <machine/vmm.h>
37 #include "vmm_lapic.h"
41 lapic_write(struct vm *vm, int cpu, u_int offset, uint64_t val)
45 struct vlapic *vlapic;
47 vlapic = vm_lapic(vm, cpu);
49 if (vlapic_op_mem_write(vlapic, offset, DWORD, val) == 0)
58 lapic_read(struct vm *vm, int cpu, u_int offset, uint64_t *rv)
62 struct vlapic *vlapic;
64 vlapic = vm_lapic(vm, cpu);
66 if (vlapic_op_mem_read(vlapic, offset, DWORD, rv) == 0)
75 lapic_pending_intr(struct vm *vm, int cpu)
77 struct vlapic *vlapic;
79 vlapic = vm_lapic(vm, cpu);
81 return (vlapic_pending_intr(vlapic));
85 lapic_intr_accepted(struct vm *vm, int cpu, int vector)
87 struct vlapic *vlapic;
89 vlapic = vm_lapic(vm, cpu);
91 vlapic_intr_accepted(vlapic, vector);
95 lapic_set_intr(struct vm *vm, int cpu, int vector)
97 struct vlapic *vlapic;
99 if (cpu < 0 || cpu >= VM_MAXCPU)
102 if (vector < 32 || vector > 255)
105 vlapic = vm_lapic(vm, cpu);
106 vlapic_set_intr_ready(vlapic, vector);
108 vm_interrupt_hostcpu(vm, cpu);
114 lapic_timer_tick(struct vm *vm, int cpu)
116 struct vlapic *vlapic;
118 vlapic = vm_lapic(vm, cpu);
120 vlapic_timer_tick(vlapic);