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Diffstat (limited to 'Documentation/virt')
| -rw-r--r-- | Documentation/virt/kvm/amd-memory-encryption.rst | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/virt/kvm/amd-memory-encryption.rst b/Documentation/virt/kvm/amd-memory-encryption.rst index 34ce2d1fcb89..db5c3fb2bab5 100644 --- a/Documentation/virt/kvm/amd-memory-encryption.rst +++ b/Documentation/virt/kvm/amd-memory-encryption.rst @@ -290,6 +290,36 @@ Returns: 0 on success, -negative on error __u32 len; }; +11. KVM_SEV_SEND_START +---------------------- + +The KVM_SEV_SEND_START command can be used by the hypervisor to create an +outgoing guest encryption context. + +If session_len is zero on entry, the length of the guest session information is +written to session_len and all other fields are not used. + +Parameters (in): struct kvm_sev_send_start + +Returns: 0 on success, -negative on error + +:: + struct kvm_sev_send_start { + __u32 policy; /* guest policy */ + + __u64 pdh_cert_uaddr; /* platform Diffie-Hellman certificate */ + __u32 pdh_cert_len; + + __u64 plat_certs_uaddr; /* platform certificate chain */ + __u32 plat_certs_len; + + __u64 amd_certs_uaddr; /* AMD certificate */ + __u32 amd_certs_len; + + __u64 session_uaddr; /* Guest session information */ + __u32 session_len; + }; + References ========== |