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

Documentation/virtual/kvm/devices/vm.txt

+33 −0
Original line number Diff line number Diff line
@@ -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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