src/basic/virt.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include "forward.h"
   5
   6 typedef enum Virtualization {
   7         VIRTUALIZATION_NONE = 0,
   8
   9         VIRTUALIZATION_VM_FIRST,
  10         VIRTUALIZATION_KVM = VIRTUALIZATION_VM_FIRST,
  11         VIRTUALIZATION_AMAZON,
  12         VIRTUALIZATION_QEMU,
  13         VIRTUALIZATION_BOCHS,
  14         VIRTUALIZATION_XEN,
  15         VIRTUALIZATION_UML,
  16         VIRTUALIZATION_VMWARE,
  17         VIRTUALIZATION_ORACLE,
  18         VIRTUALIZATION_MICROSOFT,
  19         VIRTUALIZATION_ZVM,
  20         VIRTUALIZATION_PARALLELS,
  21         VIRTUALIZATION_BHYVE,
  22         VIRTUALIZATION_QNX,
  23         VIRTUALIZATION_ACRN,
  24         VIRTUALIZATION_POWERVM,
  25         VIRTUALIZATION_APPLE,
  26         VIRTUALIZATION_SRE,
  27         VIRTUALIZATION_GOOGLE,
  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_PODMAN,
  38         VIRTUALIZATION_RKT,
  39         VIRTUALIZATION_WSL,
  40         VIRTUALIZATION_PROOT,
  41         VIRTUALIZATION_POUCH,
  42         VIRTUALIZATION_CONTAINER_OTHER,
  43         VIRTUALIZATION_CONTAINER_LAST = VIRTUALIZATION_CONTAINER_OTHER,
  44
  45         _VIRTUALIZATION_MAX,
  46         _VIRTUALIZATION_INVALID = -EINVAL,
  47         _VIRTUALIZATION_ERRNO_MAX = -ERRNO_MAX, /* ensure full range of errno fits into this enum */
  48 } Virtualization;
  49
  50 static inline bool VIRTUALIZATION_IS_VM(Virtualization x) {
  51         return x >= VIRTUALIZATION_VM_FIRST && x <= VIRTUALIZATION_VM_LAST;
  52 }
  53
  54 static inline bool VIRTUALIZATION_IS_CONTAINER(Virtualization x) {
  55         return x >= VIRTUALIZATION_CONTAINER_FIRST && x <= VIRTUALIZATION_CONTAINER_LAST;
  56 }
  57
  58 Virtualization detect_vm(void);
  59 Virtualization detect_container(void);
  60 Virtualization detect_virtualization(void);
  61
  62 int running_in_userns(void);
  63 int running_in_chroot(void);
  64
  65 const char* virtualization_to_string(Virtualization v) _const_;
  66 Virtualization virtualization_from_string(const char *s) _pure_;
  67 bool has_cpu_with_flag(const char *flag);