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
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29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/types.h>
34 #include <machine/cpufunc.h>
35 #include <machine/vmm.h>
36 #include <machine/specialreg.h>
46 static int cpu_vendor_intel, cpu_vendor_amd;
49 emulate_wrmsr(struct vmctx *ctx, int vcpu, uint32_t code, uint64_t val)
52 if (cpu_vendor_intel) {
54 case 0xd04: /* Sandy Bridge uncore PMCs */
57 case MSR_BIOS_UPDT_TRIG:
69 emulate_rdmsr(struct vmctx *ctx, int vcpu, uint32_t num, uint64_t *val)
73 if (cpu_vendor_intel) {
76 case MSR_IA32_PLATFORM_ID:
77 case MSR_PKG_ENERGY_STATUS:
78 case MSR_PP0_ENERGY_STATUS:
79 case MSR_PP1_ENERGY_STATUS:
80 case MSR_DRAM_ENERGY_STATUS:
83 case MSR_RAPL_POWER_UNIT:
85 * Use the default value documented in section
86 * "RAPL Interfaces" in Intel SDM vol3.
106 ((u_int *)&cpu_vendor)[0] = regs[1];
107 ((u_int *)&cpu_vendor)[1] = regs[3];
108 ((u_int *)&cpu_vendor)[2] = regs[2];
109 cpu_vendor[12] = '\0';
112 if (strcmp(cpu_vendor, "AuthenticAMD") == 0) {
114 } else if (strcmp(cpu_vendor, "GenuineIntel") == 0) {
115 cpu_vendor_intel = 1;
117 fprintf(stderr, "Unknown cpu vendor \"%s\"\n", cpu_vendor);