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path: root/Documentation/virtual/kvm/s390-diag.txt
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2019-03-06virtio-ccw: diag 500 may return a negative cookieCornelia Huck
If something goes wrong in the kvm io bus handling, the virtio-ccw diagnose may return a negative error value in the cookie gpr. Document this. Reviewed-by: Halil Pasic <pasic@linux.ibm.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-04-22KVM: s390: add documentation for diag 501David Hildenbrand
Added documentation for diag 501, stating that no subfunctions are provided and no parameters are used. Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2013-12-11KVM: s390: diagnose call documentationCornelia Huck
Add some further documentation on the DIAGNOSE calls we support. Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>