FreeBSD/Linux Kernel Cross Reference
sys/amd64/vmm/x86.h
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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
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