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Paolo Bonzini authored
Userspace has no way to query if SEV has been disabled with the sev module parameter of kvm-amd.ko. Actually it has one, but it is a hack: do ioctl(KVM_MEM_ENCRYPT_OP, NULL) and check if it returns EFAULT. Make it a little nicer by returning zero for SEV enabled and NULL argument, and while at it document the ioctl arguments. Cc: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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