1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2008, VMware, Inc.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * This program is free software; you can redistribute it and/or modify
5*4882a593Smuzhiyun * it under the terms of the GNU General Public License as published by
6*4882a593Smuzhiyun * the Free Software Foundation; either version 2 of the License, or
7*4882a593Smuzhiyun * (at your option) any later version.
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * This program is distributed in the hope that it will be useful, but
10*4882a593Smuzhiyun * WITHOUT ANY WARRANTY; without even the implied warranty of
11*4882a593Smuzhiyun * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
12*4882a593Smuzhiyun * NON INFRINGEMENT. See the GNU General Public License for more
13*4882a593Smuzhiyun * details.
14*4882a593Smuzhiyun *
15*4882a593Smuzhiyun * You should have received a copy of the GNU General Public License
16*4882a593Smuzhiyun * along with this program; if not, write to the Free Software
17*4882a593Smuzhiyun * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18*4882a593Smuzhiyun *
19*4882a593Smuzhiyun */
20*4882a593Smuzhiyun #ifndef _ASM_X86_HYPERVISOR_H
21*4882a593Smuzhiyun #define _ASM_X86_HYPERVISOR_H
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun /* x86 hypervisor types */
24*4882a593Smuzhiyun enum x86_hypervisor_type {
25*4882a593Smuzhiyun X86_HYPER_NATIVE = 0,
26*4882a593Smuzhiyun X86_HYPER_VMWARE,
27*4882a593Smuzhiyun X86_HYPER_MS_HYPERV,
28*4882a593Smuzhiyun X86_HYPER_XEN_PV,
29*4882a593Smuzhiyun X86_HYPER_XEN_HVM,
30*4882a593Smuzhiyun X86_HYPER_KVM,
31*4882a593Smuzhiyun X86_HYPER_JAILHOUSE,
32*4882a593Smuzhiyun X86_HYPER_ACRN,
33*4882a593Smuzhiyun };
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun #ifdef CONFIG_HYPERVISOR_GUEST
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun #include <asm/kvm_para.h>
38*4882a593Smuzhiyun #include <asm/x86_init.h>
39*4882a593Smuzhiyun #include <asm/xen/hypervisor.h>
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun struct hypervisor_x86 {
42*4882a593Smuzhiyun /* Hypervisor name */
43*4882a593Smuzhiyun const char *name;
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun /* Detection routine */
46*4882a593Smuzhiyun uint32_t (*detect)(void);
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun /* Hypervisor type */
49*4882a593Smuzhiyun enum x86_hypervisor_type type;
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun /* init time callbacks */
52*4882a593Smuzhiyun struct x86_hyper_init init;
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun /* runtime callbacks */
55*4882a593Smuzhiyun struct x86_hyper_runtime runtime;
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun /* ignore nopv parameter */
58*4882a593Smuzhiyun bool ignore_nopv;
59*4882a593Smuzhiyun };
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun extern const struct hypervisor_x86 x86_hyper_vmware;
62*4882a593Smuzhiyun extern const struct hypervisor_x86 x86_hyper_ms_hyperv;
63*4882a593Smuzhiyun extern const struct hypervisor_x86 x86_hyper_xen_pv;
64*4882a593Smuzhiyun extern const struct hypervisor_x86 x86_hyper_kvm;
65*4882a593Smuzhiyun extern const struct hypervisor_x86 x86_hyper_jailhouse;
66*4882a593Smuzhiyun extern const struct hypervisor_x86 x86_hyper_acrn;
67*4882a593Smuzhiyun extern struct hypervisor_x86 x86_hyper_xen_hvm;
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun extern bool nopv;
70*4882a593Smuzhiyun extern enum x86_hypervisor_type x86_hyper_type;
71*4882a593Smuzhiyun extern void init_hypervisor_platform(void);
hypervisor_is_type(enum x86_hypervisor_type type)72*4882a593Smuzhiyun static inline bool hypervisor_is_type(enum x86_hypervisor_type type)
73*4882a593Smuzhiyun {
74*4882a593Smuzhiyun return x86_hyper_type == type;
75*4882a593Smuzhiyun }
76*4882a593Smuzhiyun #else
init_hypervisor_platform(void)77*4882a593Smuzhiyun static inline void init_hypervisor_platform(void) { }
hypervisor_is_type(enum x86_hypervisor_type type)78*4882a593Smuzhiyun static inline bool hypervisor_is_type(enum x86_hypervisor_type type)
79*4882a593Smuzhiyun {
80*4882a593Smuzhiyun return type == X86_HYPER_NATIVE;
81*4882a593Smuzhiyun }
82*4882a593Smuzhiyun #endif /* CONFIG_HYPERVISOR_GUEST */
83*4882a593Smuzhiyun #endif /* _ASM_X86_HYPERVISOR_H */
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