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Peter Anvin" , kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Yosry Ahmed Cc: Jim Mattson Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Document the nested state constants and structures for SVM that were added by commit cc440cdad5b7 ("KVM: nSVM: implement KVM_GET_NESTED_STATE and KVM_SET_NESTED_STATE"). Fixes: cc440cdad5b7 ("KVM: nSVM: implement KVM_GET_NESTED_STATE and KVM_SET= _NESTED_STATE") Signed-off-by: Jim Mattson --- Documentation/virt/kvm/api.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index 2d56f17e3760..0a2d873ca5a3 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -4942,10 +4942,13 @@ Errors: #define KVM_STATE_NESTED_FORMAT_SVM 1 =20 #define KVM_STATE_NESTED_VMX_VMCS_SIZE 0x1000 + #define KVM_STATE_NESTED_SVM_VMCB_SIZE 0x1000 =20 #define KVM_STATE_NESTED_VMX_SMM_GUEST_MODE 0x00000001 #define KVM_STATE_NESTED_VMX_SMM_VMXON 0x00000002 =20 + #define KVM_STATE_NESTED_GIF_SET 0x00000100 + #define KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE 0x00000001 =20 struct kvm_vmx_nested_state_hdr { @@ -4960,11 +4963,19 @@ Errors: __u64 preemption_timer_deadline; }; =20 + struct kvm_svm_nested_state_hdr { + __u64 vmcb_pa; + }; + struct kvm_vmx_nested_state_data { __u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; __u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; }; =20 + struct kvm_svm_nested_state_data { + __u8 vmcb12[KVM_STATE_NESTED_SVM_VMCB_SIZE]; + }; + This ioctl copies the vcpu's nested virtualization state from the kernel to userspace. =20 --=20 2.53.0.1018.g2bb0e51243-goog