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-rw-r--r--virt-what.pod34
1 files changed, 26 insertions, 8 deletions
diff --git a/virt-what.pod b/virt-what.pod
index f2f1a3f..2e4a8b3 100644
--- a/virt-what.pod
+++ b/virt-what.pod
@@ -31,6 +31,32 @@ This is Hyper-V.
Status: from MSDN description, not tested.
+=item B<ibm_systemz>
+
+This is an IBM SystemZ (or other S/390) mainframe. Additional
+facts listed below may also be printed.
+
+=item B<ibm_systemz-direct>
+
+This is Linux running directly on a IBM SystemZ mainframe.
+
+This is expected to be a highly unusual configuration - if
+you see this result you should treat it with suspicion.
+
+Status: not confirmed
+
+=item B<ibm_systemz-lpar>
+
+This is Linux running directly on an LPAR on an IBM SystemZ mainframe.
+
+Status: not confirmed
+
+=item B<ibm_systemz-zvm>
+
+This is a z/VM guest running in an LPAR on an IBM SystemZ mainframe.
+
+Status: confirmed by RWMJ using a Fedora guest running in z/VM
+
=item B<linux_vserver>
This process is running in a Linux VServer container.
@@ -119,14 +145,6 @@ This is a Xen guest fully virtualized (HVM).
Status: confirmed by RWMJ
-=item B<zvm>
-
-This is a z/VM guest running on an IBM SystemZ mainframe.
-
-Status: confirmed by RWMJ using a Fedora guest running in z/VM. Not
-tested whether this also works for Linux installed directly in an
-LPAR.
-
=back
=head1 IMPORTANT NOTE