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10 Secure Encrypted Virtualization (SEV) is a feature found on AMD processors.
52 The main ioctl to access SEV is KVM_MEMORY_ENCRYPT_OP, which operates on
55 (on some older versions of Linux, the ioctl tries to run normally even
70 should point to a file descriptor that is opened on the ``/dev/sev``
73 On output, ``error`` is zero on success, or an error code.  Error codes
91 Returns: 0 on success, -negative on error
126 might set the debug swap VMSA feature (bit 5) depending on the value of the
138 Returns: 0 on success, -negative on error
153 On success, the 'handle' field contains a new handle and on error, a negative value.
169 Returns: 0 on success, -negative on error
190 If len is zero on entry, the measurement blob length is written to len and
195 Returns: 0 on success, -negative on error
204 For more details on the measurement verification flow, see SEV spec Section 6.4.
212 Returns: 0 on success, -negative on error
222 Returns: 0 on success, -negative on error
253 Returns: 0 on success, -negative on error
273 Returns: 0 on success, -negative on error
293 Returns: 0 on success, -negative on error
316 If len is zero on entry, the measurement blob length is written to len and
321 Returns: 0 on success, -negative on error
338 If session_len is zero on entry, the length of the guest session information is
343 Returns: 0 on success, -negative on error
370 If hdr_len or trans_len are zero on entry, the length of the packet header and
376 Returns: 0 on success, -negative on error
397 Returns: 0 on success, -negative on error
406 Returns: 0 on success, -negative on error
418 Returns: 0 on success, -negative on error
433 On success, the 'handle' field contains a new handle and on error, a negative value.
446 Returns: 0 on success, -negative on error
467 Returns: 0 on success, -negative on error
478 Returns: 0 on success, -negative on error
491 details on the input parameters in ``struct kvm_sev_snp_launch_start``.
506 for KVM_SET_MEMORY_ATTRIBUTES for more details on this aspect.
520 Returns: 0 on success, < 0 on error, -EAGAIN if caller should retry
544 See the SEV-SNP spec [snp-fw-abi]_ for further details on how each page type is
555 Returns: 0 on success, -negative on error
573 details on the input parameters in ``struct kvm_sev_snp_launch_finish``.
579 ``KVM_HAS_DEVICE_ATTR`` and ``KVM_GET_DEVICE_ATTR`` ioctls on the ``/dev/kvm``