src/basic/virt.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   Copyright 2011 Lennart Poettering
   6 ***/
   7
   8 #include <stdbool.h>
   9
  10 #include "macro.h"
  11
  12 enum {
  13         VIRTUALIZATION_NONE = 0,
  14
  15         VIRTUALIZATION_VM_FIRST,
  16         VIRTUALIZATION_KVM = VIRTUALIZATION_VM_FIRST,
  17         VIRTUALIZATION_QEMU,
  18         VIRTUALIZATION_BOCHS,
  19         VIRTUALIZATION_XEN,
  20         VIRTUALIZATION_UML,
  21         VIRTUALIZATION_VMWARE,
  22         VIRTUALIZATION_ORACLE,
  23         VIRTUALIZATION_MICROSOFT,
  24         VIRTUALIZATION_ZVM,
  25         VIRTUALIZATION_PARALLELS,
  26         VIRTUALIZATION_BHYVE,
  27         VIRTUALIZATION_QNX,
  28         VIRTUALIZATION_VM_OTHER,
  29         VIRTUALIZATION_VM_LAST = VIRTUALIZATION_VM_OTHER,
  30
  31         VIRTUALIZATION_CONTAINER_FIRST,
  32         VIRTUALIZATION_SYSTEMD_NSPAWN = VIRTUALIZATION_CONTAINER_FIRST,
  33         VIRTUALIZATION_LXC_LIBVIRT,
  34         VIRTUALIZATION_LXC,
  35         VIRTUALIZATION_OPENVZ,
  36         VIRTUALIZATION_DOCKER,
  37         VIRTUALIZATION_RKT,
  38         VIRTUALIZATION_CONTAINER_OTHER,
  39         VIRTUALIZATION_CONTAINER_LAST = VIRTUALIZATION_CONTAINER_OTHER,
  40
  41         _VIRTUALIZATION_MAX,
  42         _VIRTUALIZATION_INVALID = -1
  43 };
  44
  45 static inline bool VIRTUALIZATION_IS_VM(int x) {
  46         return x >= VIRTUALIZATION_VM_FIRST && x <= VIRTUALIZATION_VM_LAST;
  47 }
  48
  49 static inline bool VIRTUALIZATION_IS_CONTAINER(int x) {
  50         return x >= VIRTUALIZATION_CONTAINER_FIRST && x <= VIRTUALIZATION_CONTAINER_LAST;
  51 }
  52
  53 int detect_vm(void);
  54 int detect_container(void);
  55 int detect_virtualization(void);
  56
  57 int running_in_userns(void);
  58 int running_in_chroot(void);
  59
  60 const char *virtualization_to_string(int v) _const_;
  61 int virtualization_from_string(const char *s) _pure_;