1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2011 NetApp, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _X86_H_ 32 #define _X86_H_ 33 34 #define CPUID_0000_0000 (0x0) 35 #define CPUID_0000_0001 (0x1) 36 #define CPUID_0000_0002 (0x2) 37 #define CPUID_0000_0003 (0x3) 38 #define CPUID_0000_0004 (0x4) 39 #define CPUID_0000_0006 (0x6) 40 #define CPUID_0000_0007 (0x7) 41 #define CPUID_0000_000A (0xA) 42 #define CPUID_0000_000B (0xB) 43 #define CPUID_0000_000D (0xD) 44 #define CPUID_0000_000F (0xF) 45 #define CPUID_0000_0010 (0x10) 46 #define CPUID_0000_0015 (0x15) 47 #define CPUID_8000_0000 (0x80000000) 48 #define CPUID_8000_0001 (0x80000001) 49 #define CPUID_8000_0002 (0x80000002) 50 #define CPUID_8000_0003 (0x80000003) 51 #define CPUID_8000_0004 (0x80000004) 52 #define CPUID_8000_0006 (0x80000006) 53 #define CPUID_8000_0007 (0x80000007) 54 #define CPUID_8000_0008 (0x80000008) 55 #define CPUID_8000_001D (0x8000001D) 56 #define CPUID_8000_001E (0x8000001E) 57 58 /* 59 * CPUID instruction Fn0000_0001: 60 */ 61 #define CPUID_0000_0001_APICID_MASK (0xff<<24) 62 #define CPUID_0000_0001_APICID_SHIFT 24 63 64 /* 65 * CPUID instruction Fn0000_0001 ECX 66 */ 67 #define CPUID_0000_0001_FEAT0_VMX (1<<5) 68 69 int x86_emulate_cpuid(struct vcpu *vcpu, uint64_t *rax, uint64_t *rbx, 70 uint64_t *rcx, uint64_t *rdx); 71 72 enum vm_cpuid_capability { 73 VCC_NONE, 74 VCC_NO_EXECUTE, 75 VCC_FFXSR, 76 VCC_TCE, 77 VCC_LAST 78 }; 79 80 /* 81 * Return 'true' if the capability 'cap' is enabled in this virtual cpu 82 * and 'false' otherwise. 83 */ 84 bool vm_cpuid_capability(struct vcpu *vcpu, enum vm_cpuid_capability); 85 86 #define VMM_MTRR_VAR_MAX 10 87 #define VMM_MTRR_DEF_MASK \ 88 (MTRR_DEF_ENABLE | MTRR_DEF_FIXED_ENABLE | MTRR_DEF_TYPE) 89 #define VMM_MTRR_PHYSBASE_MASK (MTRR_PHYSBASE_PHYSBASE | MTRR_PHYSBASE_TYPE) 90 #define VMM_MTRR_PHYSMASK_MASK (MTRR_PHYSMASK_PHYSMASK | MTRR_PHYSMASK_VALID) 91 struct vm_mtrr { 92 uint64_t def_type; 93 uint64_t fixed4k[8]; 94 uint64_t fixed16k[2]; 95 uint64_t fixed64k; 96 struct { 97 uint64_t base; 98 uint64_t mask; 99 } var[VMM_MTRR_VAR_MAX]; 100 }; 101 102 int vm_rdmtrr(struct vm_mtrr *mtrr, u_int num, uint64_t *val); 103 int vm_wrmtrr(struct vm_mtrr *mtrr, u_int num, uint64_t val); 104 105 #endif 106