Line data    Source code

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