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Commit | Line | Data |
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b52aae1d LP |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2011 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
7 | under the terms of the GNU Lesser General Public License as published by |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
b52aae1d LP |
9 | (at your option) any later version. |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 14 | Lesser General Public License for more details. |
b52aae1d | 15 | |
5430f7f2 | 16 | You should have received a copy of the GNU Lesser General Public License |
b52aae1d LP |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
18 | ***/ | |
19 | ||
b52aae1d | 20 | #include <errno.h> |
11c3a366 TA |
21 | #include <stdint.h> |
22 | #include <stdlib.h> | |
07630cea | 23 | #include <string.h> |
b52aae1d LP |
24 | #include <unistd.h> |
25 | ||
b5efdb8a | 26 | #include "alloc-util.h" |
ade61d3b ZJS |
27 | #include "dirent-util.h" |
28 | #include "fd-util.h" | |
07630cea | 29 | #include "fileio.h" |
11c3a366 | 30 | #include "macro.h" |
93cc7779 | 31 | #include "process-util.h" |
b5efdb8a | 32 | #include "stat-util.h" |
8b43440b | 33 | #include "string-table.h" |
07630cea | 34 | #include "string-util.h" |
b52aae1d LP |
35 | #include "virt.h" |
36 | ||
75f86906 | 37 | static int detect_vm_cpuid(void) { |
b52aae1d | 38 | |
2ef8a4c4 | 39 | /* CPUID is an x86 specific interface. */ |
bdb628ee | 40 | #if defined(__i386__) || defined(__x86_64__) |
b52aae1d | 41 | |
75f86906 LP |
42 | static const struct { |
43 | const char *cpuid; | |
44 | int id; | |
45 | } cpuid_vendor_table[] = { | |
46 | { "XenVMMXenVMM", VIRTUALIZATION_XEN }, | |
47 | { "KVMKVMKVM", VIRTUALIZATION_KVM }, | |
b52aae1d | 48 | /* http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1009458 */ |
75f86906 | 49 | { "VMwareVMware", VIRTUALIZATION_VMWARE }, |
b52aae1d | 50 | /* http://msdn.microsoft.com/en-us/library/ff542428.aspx */ |
75f86906 LP |
51 | { "Microsoft Hv", VIRTUALIZATION_MICROSOFT }, |
52 | }; | |
b52aae1d LP |
53 | |
54 | uint32_t eax, ecx; | |
b52aae1d LP |
55 | bool hypervisor; |
56 | ||
57 | /* http://lwn.net/Articles/301888/ */ | |
b52aae1d LP |
58 | |
59 | #if defined (__i386__) | |
60 | #define REG_a "eax" | |
61 | #define REG_b "ebx" | |
62 | #elif defined (__amd64__) | |
63 | #define REG_a "rax" | |
64 | #define REG_b "rbx" | |
65 | #endif | |
66 | ||
67 | /* First detect whether there is a hypervisor */ | |
68 | eax = 1; | |
69 | __asm__ __volatile__ ( | |
70 | /* ebx/rbx is being used for PIC! */ | |
71 | " push %%"REG_b" \n\t" | |
72 | " cpuid \n\t" | |
73 | " pop %%"REG_b" \n\t" | |
74 | ||
75 | : "=a" (eax), "=c" (ecx) | |
76 | : "0" (eax) | |
77 | ); | |
78 | ||
79 | hypervisor = !!(ecx & 0x80000000U); | |
80 | ||
81 | if (hypervisor) { | |
75f86906 LP |
82 | union { |
83 | uint32_t sig32[3]; | |
84 | char text[13]; | |
85 | } sig = {}; | |
86 | unsigned j; | |
b52aae1d LP |
87 | |
88 | /* There is a hypervisor, see what it is */ | |
89 | eax = 0x40000000U; | |
90 | __asm__ __volatile__ ( | |
91 | /* ebx/rbx is being used for PIC! */ | |
92 | " push %%"REG_b" \n\t" | |
93 | " cpuid \n\t" | |
94 | " mov %%ebx, %1 \n\t" | |
95 | " pop %%"REG_b" \n\t" | |
96 | ||
97 | : "=a" (eax), "=r" (sig.sig32[0]), "=c" (sig.sig32[1]), "=d" (sig.sig32[2]) | |
98 | : "0" (eax) | |
99 | ); | |
100 | ||
9f63a08d SS |
101 | log_debug("Virtualization found, CPUID=%s", sig.text); |
102 | ||
75f86906 LP |
103 | for (j = 0; j < ELEMENTSOF(cpuid_vendor_table); j ++) |
104 | if (streq(sig.text, cpuid_vendor_table[j].cpuid)) | |
105 | return cpuid_vendor_table[j].id; | |
bdb628ee | 106 | |
75f86906 | 107 | return VIRTUALIZATION_VM_OTHER; |
b52aae1d | 108 | } |
bdb628ee | 109 | #endif |
9f63a08d | 110 | log_debug("No virtualization found in CPUID"); |
bdb628ee | 111 | |
75f86906 | 112 | return VIRTUALIZATION_NONE; |
bdb628ee ZJS |
113 | } |
114 | ||
75f86906 | 115 | static int detect_vm_device_tree(void) { |
db6a8689 | 116 | #if defined(__arm__) || defined(__aarch64__) || defined(__powerpc__) || defined(__powerpc64__) |
d831deb5 CA |
117 | _cleanup_free_ char *hvtype = NULL; |
118 | int r; | |
119 | ||
b8f1df82 | 120 | r = read_one_line_file("/proc/device-tree/hypervisor/compatible", &hvtype); |
75f86906 | 121 | if (r == -ENOENT) { |
ce09c71d AJ |
122 | _cleanup_closedir_ DIR *dir = NULL; |
123 | struct dirent *dent; | |
124 | ||
125 | dir = opendir("/proc/device-tree"); | |
126 | if (!dir) { | |
9f63a08d SS |
127 | if (errno == ENOENT) { |
128 | log_debug_errno(errno, "/proc/device-tree: %m"); | |
75f86906 | 129 | return VIRTUALIZATION_NONE; |
9f63a08d | 130 | } |
ce09c71d AJ |
131 | return -errno; |
132 | } | |
133 | ||
75f86906 | 134 | FOREACH_DIRENT(dent, dir, return -errno) |
9f63a08d SS |
135 | if (strstr(dent->d_name, "fw-cfg")) { |
136 | log_debug("Virtualization QEMU: \"fw-cfg\" present in /proc/device-tree/%s", dent->d_name); | |
75f86906 | 137 | return VIRTUALIZATION_QEMU; |
9f63a08d | 138 | } |
75f86906 | 139 | |
9f63a08d | 140 | log_debug("No virtualization found in /proc/device-tree/*"); |
75f86906 LP |
141 | return VIRTUALIZATION_NONE; |
142 | } else if (r < 0) | |
143 | return r; | |
144 | ||
9f63a08d | 145 | log_debug("Virtualization %s found in /proc/device-tree/hypervisor/compatible", hvtype); |
75f86906 LP |
146 | if (streq(hvtype, "linux,kvm")) |
147 | return VIRTUALIZATION_KVM; | |
148 | else if (strstr(hvtype, "xen")) | |
149 | return VIRTUALIZATION_XEN; | |
150 | else | |
151 | return VIRTUALIZATION_VM_OTHER; | |
152 | #else | |
9f63a08d | 153 | log_debug("This platform does not support /proc/device-tree"); |
75f86906 | 154 | return VIRTUALIZATION_NONE; |
d831deb5 | 155 | #endif |
d831deb5 CA |
156 | } |
157 | ||
75f86906 | 158 | static int detect_vm_dmi(void) { |
2ef8a4c4 | 159 | #if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || defined(__aarch64__) |
bdb628ee ZJS |
160 | |
161 | static const char *const dmi_vendors[] = { | |
3728dcde | 162 | "/sys/class/dmi/id/product_name", /* Test this before sys_vendor to detect KVM over QEMU */ |
bdb628ee ZJS |
163 | "/sys/class/dmi/id/sys_vendor", |
164 | "/sys/class/dmi/id/board_vendor", | |
165 | "/sys/class/dmi/id/bios_vendor" | |
166 | }; | |
167 | ||
75f86906 LP |
168 | static const struct { |
169 | const char *vendor; | |
170 | int id; | |
171 | } dmi_vendor_table[] = { | |
3728dcde | 172 | { "KVM", VIRTUALIZATION_KVM }, |
75f86906 | 173 | { "QEMU", VIRTUALIZATION_QEMU }, |
bdb628ee | 174 | /* http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1009458 */ |
75f86906 LP |
175 | { "VMware", VIRTUALIZATION_VMWARE }, |
176 | { "VMW", VIRTUALIZATION_VMWARE }, | |
177 | { "innotek GmbH", VIRTUALIZATION_ORACLE }, | |
178 | { "Xen", VIRTUALIZATION_XEN }, | |
179 | { "Bochs", VIRTUALIZATION_BOCHS }, | |
180 | { "Parallels", VIRTUALIZATION_PARALLELS }, | |
181 | }; | |
bdb628ee | 182 | unsigned i; |
75f86906 | 183 | int r; |
b52aae1d LP |
184 | |
185 | for (i = 0; i < ELEMENTSOF(dmi_vendors); i++) { | |
b1b8e816 | 186 | _cleanup_free_ char *s = NULL; |
75f86906 | 187 | unsigned j; |
b52aae1d | 188 | |
b1b8e816 LP |
189 | r = read_one_line_file(dmi_vendors[i], &s); |
190 | if (r < 0) { | |
75f86906 LP |
191 | if (r == -ENOENT) |
192 | continue; | |
b52aae1d | 193 | |
75f86906 | 194 | return r; |
b52aae1d LP |
195 | } |
196 | ||
9f63a08d SS |
197 | |
198 | ||
75f86906 | 199 | for (j = 0; j < ELEMENTSOF(dmi_vendor_table); j++) |
9f63a08d SS |
200 | if (startswith(s, dmi_vendor_table[j].vendor)) { |
201 | log_debug("Virtualization %s found in DMI (%s)", s, dmi_vendors[i]); | |
75f86906 | 202 | return dmi_vendor_table[j].id; |
9f63a08d | 203 | } |
b52aae1d | 204 | } |
bdb628ee ZJS |
205 | #endif |
206 | ||
9f63a08d SS |
207 | log_debug("No virtualization found in DMI"); |
208 | ||
75f86906 | 209 | return VIRTUALIZATION_NONE; |
bdb628ee ZJS |
210 | } |
211 | ||
75f86906 | 212 | static int detect_vm_xen(void) { |
3f61278b SS |
213 | /* Check for Dom0 will be executed later in detect_vm_xen_dom0 |
214 | Thats why we dont check the content of /proc/xen/capabilities here. */ | |
215 | if (access("/proc/xen/capabilities", F_OK) < 0) { | |
216 | log_debug("Virtualization XEN not found, /proc/xen/capabilities does not exist"); | |
217 | return VIRTUALIZATION_NONE; | |
218 | } | |
219 | ||
220 | log_debug("Virtualization XEN found (/proc/xen/capabilities exists)"); | |
221 | return VIRTUALIZATION_XEN; | |
222 | ||
223 | } | |
224 | ||
225 | static bool detect_vm_xen_dom0(void) { | |
75f86906 LP |
226 | _cleanup_free_ char *domcap = NULL; |
227 | char *cap, *i; | |
bdb628ee | 228 | int r; |
b52aae1d | 229 | |
75f86906 | 230 | r = read_one_line_file("/proc/xen/capabilities", &domcap); |
9f63a08d SS |
231 | if (r == -ENOENT) { |
232 | log_debug("Virtualization XEN not found, /proc/xen/capabilities does not exist"); | |
3f61278b | 233 | return false; |
9f63a08d | 234 | } |
d5b687e7 LP |
235 | if (r < 0) |
236 | return r; | |
bdb628ee | 237 | |
75f86906 LP |
238 | i = domcap; |
239 | while ((cap = strsep(&i, ","))) | |
240 | if (streq(cap, "control_d")) | |
241 | break; | |
9f63a08d SS |
242 | if (!cap) { |
243 | log_debug("Virtualization XEN DomU found (/proc/xen/capabilites)"); | |
3f61278b | 244 | return false; |
9f63a08d SS |
245 | } |
246 | ||
247 | log_debug("Virtualization XEN Dom0 ignored (/proc/xen/capabilities)"); | |
3f61278b | 248 | return true; |
75f86906 | 249 | } |
37287585 | 250 | |
75f86906 LP |
251 | static int detect_vm_hypervisor(void) { |
252 | _cleanup_free_ char *hvtype = NULL; | |
253 | int r; | |
37287585 | 254 | |
75f86906 LP |
255 | r = read_one_line_file("/sys/hypervisor/type", &hvtype); |
256 | if (r == -ENOENT) | |
257 | return VIRTUALIZATION_NONE; | |
258 | if (r < 0) | |
259 | return r; | |
37287585 | 260 | |
9f63a08d SS |
261 | log_debug("Virtualization %s found in /sys/hypervisor/type", hvtype); |
262 | ||
75f86906 LP |
263 | if (streq(hvtype, "xen")) |
264 | return VIRTUALIZATION_XEN; | |
265 | else | |
266 | return VIRTUALIZATION_VM_OTHER; | |
267 | } | |
37287585 | 268 | |
75f86906 LP |
269 | static int detect_vm_uml(void) { |
270 | _cleanup_free_ char *cpuinfo_contents = NULL; | |
271 | int r; | |
37287585 | 272 | |
75f86906 LP |
273 | /* Detect User-Mode Linux by reading /proc/cpuinfo */ |
274 | r = read_full_file("/proc/cpuinfo", &cpuinfo_contents, NULL); | |
275 | if (r < 0) | |
bdb628ee | 276 | return r; |
9f63a08d SS |
277 | |
278 | if (strstr(cpuinfo_contents, "\nvendor_id\t: User Mode Linux\n")) { | |
279 | log_debug("UML virtualization found in /proc/cpuinfo"); | |
75f86906 | 280 | return VIRTUALIZATION_UML; |
9f63a08d | 281 | } |
bdb628ee | 282 | |
9f63a08d | 283 | log_debug("No virtualization found in /proc/cpuinfo (%s)", cpuinfo_contents); |
75f86906 LP |
284 | return VIRTUALIZATION_NONE; |
285 | } | |
e32886e0 | 286 | |
75f86906 | 287 | static int detect_vm_zvm(void) { |
bdb628ee | 288 | |
75f86906 LP |
289 | #if defined(__s390__) |
290 | _cleanup_free_ char *t = NULL; | |
291 | int r; | |
e32886e0 | 292 | |
c4cd1d4d | 293 | r = get_proc_field("/proc/sysinfo", "VM00 Control Program", WHITESPACE, &t); |
75f86906 LP |
294 | if (r == -ENOENT) |
295 | return VIRTUALIZATION_NONE; | |
296 | if (r < 0) | |
297 | return r; | |
e32886e0 | 298 | |
9f63a08d | 299 | log_debug("Virtualization %s found in /proc/sysinfo", t); |
75f86906 LP |
300 | if (streq(t, "z/VM")) |
301 | return VIRTUALIZATION_ZVM; | |
302 | else | |
303 | return VIRTUALIZATION_KVM; | |
304 | #else | |
9f63a08d | 305 | log_debug("This platform does not support /proc/sysinfo"); |
75f86906 LP |
306 | return VIRTUALIZATION_NONE; |
307 | #endif | |
308 | } | |
e32886e0 | 309 | |
75f86906 LP |
310 | /* Returns a short identifier for the various VM implementations */ |
311 | int detect_vm(void) { | |
312 | static thread_local int cached_found = _VIRTUALIZATION_INVALID; | |
313 | int r; | |
e32886e0 | 314 | |
75f86906 LP |
315 | if (cached_found >= 0) |
316 | return cached_found; | |
bdb628ee | 317 | |
f6875b0a CH |
318 | /* We have to use the correct order here: |
319 | * Some virtualization technologies do use KVM hypervisor but are | |
320 | * expected to be detected as something else. So detect DMI first. | |
321 | * | |
322 | * An example is Virtualbox since version 5.0, which uses KVM backend. | |
323 | * Detection via DMI works corretly, the CPU ID would find KVM | |
324 | * only. */ | |
050e65ad | 325 | r = detect_vm_dmi(); |
75f86906 LP |
326 | if (r < 0) |
327 | return r; | |
328 | if (r != VIRTUALIZATION_NONE) | |
d831deb5 CA |
329 | goto finish; |
330 | ||
050e65ad | 331 | r = detect_vm_cpuid(); |
75f86906 LP |
332 | if (r < 0) |
333 | return r; | |
334 | if (r != VIRTUALIZATION_NONE) | |
0fb533a5 | 335 | goto finish; |
b52aae1d | 336 | |
42685451 AJ |
337 | /* x86 xen will most likely be detected by cpuid. If not (most likely |
338 | * because we're not an x86 guest), then we should try the xen capabilities | |
339 | * file next. If that's not found, then we check for the high-level | |
340 | * hypervisor sysfs file: | |
341 | * | |
342 | * https://bugs.freedesktop.org/show_bug.cgi?id=77271 */ | |
343 | ||
344 | r = detect_vm_xen(); | |
7080ea16 RR |
345 | if (r < 0) |
346 | return r; | |
75f86906 | 347 | if (r != VIRTUALIZATION_NONE) |
0fb533a5 | 348 | goto finish; |
7080ea16 | 349 | |
75f86906 LP |
350 | r = detect_vm_hypervisor(); |
351 | if (r < 0) | |
352 | return r; | |
353 | if (r != VIRTUALIZATION_NONE) | |
354 | goto finish; | |
f41925b4 | 355 | |
75f86906 LP |
356 | r = detect_vm_device_tree(); |
357 | if (r < 0) | |
358 | return r; | |
359 | if (r != VIRTUALIZATION_NONE) | |
360 | goto finish; | |
f41925b4 | 361 | |
75f86906 LP |
362 | r = detect_vm_uml(); |
363 | if (r < 0) | |
364 | return r; | |
365 | if (r != VIRTUALIZATION_NONE) | |
366 | goto finish; | |
f41925b4 | 367 | |
75f86906 LP |
368 | r = detect_vm_zvm(); |
369 | if (r < 0) | |
370 | return r; | |
0fb533a5 LP |
371 | |
372 | finish: | |
3f61278b SS |
373 | /* x86 xen Dom0 is detected as XEN in hypervisor and maybe others. |
374 | * In order to detect the Dom0 as not virtualization we need to | |
375 | * double-check it */ | |
376 | if (r == VIRTUALIZATION_XEN && detect_vm_xen_dom0()) | |
377 | r = VIRTUALIZATION_NONE; | |
378 | ||
0fb533a5 | 379 | cached_found = r; |
9f63a08d | 380 | log_debug("Found VM virtualization %s", virtualization_to_string(r)); |
0fb533a5 | 381 | return r; |
b52aae1d LP |
382 | } |
383 | ||
75f86906 | 384 | int detect_container(void) { |
0fb533a5 | 385 | |
75f86906 LP |
386 | static const struct { |
387 | const char *value; | |
388 | int id; | |
389 | } value_table[] = { | |
390 | { "lxc", VIRTUALIZATION_LXC }, | |
391 | { "lxc-libvirt", VIRTUALIZATION_LXC_LIBVIRT }, | |
392 | { "systemd-nspawn", VIRTUALIZATION_SYSTEMD_NSPAWN }, | |
393 | { "docker", VIRTUALIZATION_DOCKER }, | |
9fb16425 | 394 | { "rkt", VIRTUALIZATION_RKT }, |
75f86906 | 395 | }; |
0fb533a5 | 396 | |
75f86906 | 397 | static thread_local int cached_found = _VIRTUALIZATION_INVALID; |
fdd25311 | 398 | _cleanup_free_ char *m = NULL; |
75f86906 LP |
399 | const char *e = NULL; |
400 | unsigned j; | |
ab94af92 | 401 | int r; |
b52aae1d | 402 | |
75f86906 | 403 | if (cached_found >= 0) |
0fb533a5 | 404 | return cached_found; |
0fb533a5 | 405 | |
b52aae1d LP |
406 | /* /proc/vz exists in container and outside of the container, |
407 | * /proc/bc only outside of the container. */ | |
408 | if (access("/proc/vz", F_OK) >= 0 && | |
409 | access("/proc/bc", F_OK) < 0) { | |
75f86906 | 410 | r = VIRTUALIZATION_OPENVZ; |
0fb533a5 | 411 | goto finish; |
b52aae1d LP |
412 | } |
413 | ||
fdd25311 LP |
414 | if (getpid() == 1) { |
415 | /* If we are PID 1 we can just check our own | |
416 | * environment variable */ | |
417 | ||
418 | e = getenv("container"); | |
419 | if (isempty(e)) { | |
75f86906 | 420 | r = VIRTUALIZATION_NONE; |
fdd25311 LP |
421 | goto finish; |
422 | } | |
423 | } else { | |
424 | ||
425 | /* Otherwise, PID 1 dropped this information into a | |
426 | * file in /run. This is better than accessing | |
427 | * /proc/1/environ, since we don't need CAP_SYS_PTRACE | |
428 | * for that. */ | |
429 | ||
430 | r = read_one_line_file("/run/systemd/container", &m); | |
431 | if (r == -ENOENT) { | |
536bfdab LP |
432 | |
433 | /* Fallback for cases where PID 1 was not | |
434 | * systemd (for example, cases where | |
435 | * init=/bin/sh is used. */ | |
436 | ||
437 | r = getenv_for_pid(1, "container", &m); | |
438 | if (r <= 0) { | |
439 | ||
440 | /* If that didn't work, give up, | |
441 | * assume no container manager. | |
442 | * | |
443 | * Note: This means we still cannot | |
444 | * detect containers if init=/bin/sh | |
445 | * is passed but privileges dropped, | |
446 | * as /proc/1/environ is only readable | |
447 | * with privileges. */ | |
448 | ||
75f86906 | 449 | r = VIRTUALIZATION_NONE; |
536bfdab LP |
450 | goto finish; |
451 | } | |
fdd25311 LP |
452 | } |
453 | if (r < 0) | |
454 | return r; | |
455 | ||
456 | e = m; | |
457 | } | |
b52aae1d | 458 | |
75f86906 LP |
459 | for (j = 0; j < ELEMENTSOF(value_table); j++) |
460 | if (streq(e, value_table[j].value)) { | |
461 | r = value_table[j].id; | |
462 | goto finish; | |
463 | } | |
0fb533a5 | 464 | |
f499daf4 | 465 | r = VIRTUALIZATION_CONTAINER_OTHER; |
fdd25311 | 466 | |
0fb533a5 | 467 | finish: |
9f63a08d | 468 | log_debug("Found container virtualization %s", virtualization_to_string(r)); |
0fb533a5 | 469 | cached_found = r; |
ab94af92 | 470 | return r; |
b52aae1d LP |
471 | } |
472 | ||
75f86906 | 473 | int detect_virtualization(void) { |
b52aae1d | 474 | int r; |
b52aae1d | 475 | |
75f86906 | 476 | r = detect_container(); |
9f63a08d SS |
477 | if (r == 0) |
478 | r = detect_vm(); | |
b52aae1d | 479 | |
9f63a08d | 480 | return r; |
b52aae1d | 481 | } |
75f86906 | 482 | |
7f4b3c5e LP |
483 | int running_in_chroot(void) { |
484 | int ret; | |
485 | ||
486 | ret = files_same("/proc/1/root", "/"); | |
487 | if (ret < 0) | |
488 | return ret; | |
489 | ||
490 | return ret == 0; | |
491 | } | |
492 | ||
75f86906 LP |
493 | static const char *const virtualization_table[_VIRTUALIZATION_MAX] = { |
494 | [VIRTUALIZATION_NONE] = "none", | |
495 | [VIRTUALIZATION_KVM] = "kvm", | |
496 | [VIRTUALIZATION_QEMU] = "qemu", | |
497 | [VIRTUALIZATION_BOCHS] = "bochs", | |
498 | [VIRTUALIZATION_XEN] = "xen", | |
499 | [VIRTUALIZATION_UML] = "uml", | |
500 | [VIRTUALIZATION_VMWARE] = "vmware", | |
501 | [VIRTUALIZATION_ORACLE] = "oracle", | |
502 | [VIRTUALIZATION_MICROSOFT] = "microsoft", | |
503 | [VIRTUALIZATION_ZVM] = "zvm", | |
504 | [VIRTUALIZATION_PARALLELS] = "parallels", | |
505 | [VIRTUALIZATION_VM_OTHER] = "vm-other", | |
506 | ||
507 | [VIRTUALIZATION_SYSTEMD_NSPAWN] = "systemd-nspawn", | |
508 | [VIRTUALIZATION_LXC_LIBVIRT] = "lxc-libvirt", | |
509 | [VIRTUALIZATION_LXC] = "lxc", | |
510 | [VIRTUALIZATION_OPENVZ] = "openvz", | |
511 | [VIRTUALIZATION_DOCKER] = "docker", | |
9fb16425 | 512 | [VIRTUALIZATION_RKT] = "rkt", |
75f86906 LP |
513 | [VIRTUALIZATION_CONTAINER_OTHER] = "container-other", |
514 | }; | |
515 | ||
516 | DEFINE_STRING_TABLE_LOOKUP(virtualization, int); |