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Diffstat (limited to 'Documentation/virt/kvm/amd-memory-encryption.rst')
| -rw-r--r-- | Documentation/virt/kvm/amd-memory-encryption.rst | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/virt/kvm/amd-memory-encryption.rst b/Documentation/virt/kvm/amd-memory-encryption.rst index 2d44388438cc..09a8f2a34e39 100644 --- a/Documentation/virt/kvm/amd-memory-encryption.rst +++ b/Documentation/virt/kvm/amd-memory-encryption.rst @@ -53,11 +53,11 @@ key management interface to perform common hypervisor activities such as encrypting bootstrap code, snapshot, migrating and debugging the guest. For more information, see the SEV Key Management spec [api-spec]_ -The main ioctl to access SEV is KVM_MEM_ENCRYPT_OP. If the argument -to KVM_MEM_ENCRYPT_OP is NULL, the ioctl returns 0 if SEV is enabled +The main ioctl to access SEV is KVM_MEMORY_ENCRYPT_OP. If the argument +to KVM_MEMORY_ENCRYPT_OP is NULL, the ioctl returns 0 if SEV is enabled and ``ENOTTY` if it is disabled (on some older versions of Linux, the ioctl runs normally even with a NULL argument, and therefore will -likely return ``EFAULT``). If non-NULL, the argument to KVM_MEM_ENCRYPT_OP +likely return ``EFAULT``). If non-NULL, the argument to KVM_MEMORY_ENCRYPT_OP must be a struct kvm_sev_cmd:: struct kvm_sev_cmd { |