Commit eaf2b656 authored by David Hildenbrand's avatar David Hildenbrand Committed by Christian Borntraeger

KVM: s390: add documentation of KVM_S390_VM_CRYPTO

Let's properly document KVM_S390_VM_CRYPTO and its attributes.
Signed-off-by: default avatarDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
parent aad3c1d9
...@@ -103,3 +103,36 @@ the POP (u64). ...@@ -103,3 +103,36 @@ the POP (u64).
Parameters: address of a buffer in user space to store the data (u64) to 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 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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