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    Subject[PATCH v6 09/33] KVM: VMX: Define VMCS-to-EVMCS conversion for the new fields
    Date
    Enlightened VMCS v1 definition was updated with new fields, support
    them in KVM by defining VMCS-to-EVMCS conversion.

    Note: SSP, CET and Guest LBR features are not supported by KVM yet and
    the corresponding fields are not defined in 'enum vmcs_field', leave
    them commented out for now.

    Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
    Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
    Signed-off-by: Sean Christopherson <seanjc@google.com>
    ---
    arch/x86/kvm/vmx/evmcs.c | 26 ++++++++++++++++++++++++++
    1 file changed, 26 insertions(+)

    diff --git a/arch/x86/kvm/vmx/evmcs.c b/arch/x86/kvm/vmx/evmcs.c
    index b620880a8af3..c3a5309f6e82 100644
    --- a/arch/x86/kvm/vmx/evmcs.c
    +++ b/arch/x86/kvm/vmx/evmcs.c
    @@ -30,6 +30,8 @@ const struct evmcs_field vmcs_field_to_evmcs_1[] = {
    HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
    EVMCS1_FIELD(HOST_IA32_EFER, host_ia32_efer,
    HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
    + EVMCS1_FIELD(HOST_IA32_PERF_GLOBAL_CTRL, host_ia32_perf_global_ctrl,
    + HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
    EVMCS1_FIELD(HOST_CR0, host_cr0,
    HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
    EVMCS1_FIELD(HOST_CR3, host_cr3,
    @@ -80,6 +82,8 @@ const struct evmcs_field vmcs_field_to_evmcs_1[] = {
    HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
    EVMCS1_FIELD(GUEST_IA32_EFER, guest_ia32_efer,
    HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
    + EVMCS1_FIELD(GUEST_IA32_PERF_GLOBAL_CTRL, guest_ia32_perf_global_ctrl,
    + HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
    EVMCS1_FIELD(GUEST_PDPTR0, guest_pdptr0,
    HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
    EVMCS1_FIELD(GUEST_PDPTR1, guest_pdptr1,
    @@ -128,6 +132,28 @@ const struct evmcs_field vmcs_field_to_evmcs_1[] = {
    HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
    EVMCS1_FIELD(XSS_EXIT_BITMAP, xss_exit_bitmap,
    HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2),
    + EVMCS1_FIELD(ENCLS_EXITING_BITMAP, encls_exiting_bitmap,
    + HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2),
    + EVMCS1_FIELD(TSC_MULTIPLIER, tsc_multiplier,
    + HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2),
    + /*
    + * Not used by KVM:
    + *
    + * EVMCS1_FIELD(0x00006828, guest_ia32_s_cet,
    + * HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
    + * EVMCS1_FIELD(0x0000682A, guest_ssp,
    + * HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC),
    + * EVMCS1_FIELD(0x0000682C, guest_ia32_int_ssp_table_addr,
    + * HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
    + * EVMCS1_FIELD(0x00002816, guest_ia32_lbr_ctl,
    + * HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
    + * EVMCS1_FIELD(0x00006C18, host_ia32_s_cet,
    + * HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
    + * EVMCS1_FIELD(0x00006C1A, host_ssp,
    + * HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
    + * EVMCS1_FIELD(0x00006C1C, host_ia32_int_ssp_table_addr,
    + * HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
    + */

    /* 64 bit read only */
    EVMCS1_FIELD(GUEST_PHYSICAL_ADDRESS, guest_physical_address,
    --
    2.37.2
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