From eaf2b656cf14c2088b1b3193742c40a399b1df14 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Thu, 21 Jan 2016 13:45:50 +0100 Subject: [PATCH] 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 Signed-off-by: Christian Borntraeger --- Documentation/virtual/kvm/devices/vm.txt | 33 ++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/Documentation/virtual/kvm/devices/vm.txt b/Documentation/virtual/kvm/devices/vm.txt index 27c1a3bddad0..a9ea8774a45f 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