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-rw-r--r--Documentation/virtual/kvm/api.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index 83bd92b52936..8a0de309932f 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -2073,6 +2073,10 @@ KVM_S390_INT_IO(ai,cssid,ssid,schid) (vm) - compound value to indicate an
I/O interrupt (ai - adapter interrupt; cssid,ssid,schid - subchannel);
I/O interruption parameters in parm (subchannel) and parm64 (intparm,
interruption subclass)
+KVM_S390_MCHK (vm, vcpu) - machine check interrupt; cr 14 bits in parm,
+ machine check interrupt code in parm64 (note that
+ machine checks needing further payload are not
+ supported by this ioctl)
Note that the vcpu ioctl is asynchronous to vcpu execution.
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