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authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>2016-01-21 13:45:50 +0100
committerChristian Borntraeger <borntraeger@de.ibm.com>2016-02-10 13:12:55 +0100
commiteaf2b656cf14c2088b1b3193742c40a399b1df14 (patch)
treeb4623780fe4ed6f4aac39c3ac00e142693ba734e /Documentation/virtual
parentaad3c1d9603fe7b1796c5529630c961566cbb663 (diff)
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op-kernel-dev-eaf2b656cf14c2088b1b3193742c40a399b1df14.tar.gz
KVM: s390: add documentation of KVM_S390_VM_CRYPTO
Let's properly document KVM_S390_VM_CRYPTO and its attributes. Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'Documentation/virtual')
-rw-r--r--Documentation/virtual/kvm/devices/vm.txt33
1 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/devices/vm.txt b/Documentation/virtual/kvm/devices/vm.txt
index 27c1a3b..a9ea877 100644
--- a/Documentation/virtual/kvm/devices/vm.txt
+++ b/Documentation/virtual/kvm/devices/vm.txt
@@ -103,3 +103,36 @@ the POP (u64).
Parameters: address of a buffer in user space to store the data (u64) to
Returns: -EFAULT if the given address is not accessible from kernel space
+
+4. GROUP: KVM_S390_VM_CRYPTO
+Architectures: s390
+
+4.1. ATTRIBUTE: KVM_S390_VM_CRYPTO_ENABLE_AES_KW (w/o)
+
+Allows user space to enable aes key wrapping, including generating a new
+wrapping key.
+
+Parameters: none
+Returns: 0
+
+4.2. ATTRIBUTE: KVM_S390_VM_CRYPTO_ENABLE_DEA_KW (w/o)
+
+Allows user space to enable dea key wrapping, including generating a new
+wrapping key.
+
+Parameters: none
+Returns: 0
+
+4.3. ATTRIBUTE: KVM_S390_VM_CRYPTO_DISABLE_AES_KW (w/o)
+
+Allows user space to disable aes key wrapping, clearing the wrapping key.
+
+Parameters: none
+Returns: 0
+
+4.4. ATTRIBUTE: KVM_S390_VM_CRYPTO_DISABLE_DEA_KW (w/o)
+
+Allows user space to disable dea key wrapping, clearing the wrapping key.
+
+Parameters: none
+Returns: 0
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