diff mbox series

[04/11] KVM: VMX: Define VMCS-to-EVMCS conversion for the new fields

Message ID 20220621155830.60115-5-vkuznets@redhat.com (mailing list archive)
State New, archived
Headers show
Series KVM: VMX: Support TscScaling and EnclsExitingBitmap whith eVMCS | expand

Commit Message

Vitaly Kuznetsov June 21, 2022, 3:58 p.m. UTC 
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.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
---
 arch/x86/kvm/vmx/evmcs.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
diff mbox series

Patch

diff --git a/arch/x86/kvm/vmx/evmcs.c b/arch/x86/kvm/vmx/evmcs.c
index 6a61b1ae7942..8bea5dea0341 100644
--- a/arch/x86/kvm/vmx/evmcs.c
+++ b/arch/x86/kvm/vmx/evmcs.c
@@ -28,6 +28,8 @@  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,
@@ -78,6 +80,8 @@  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,
@@ -126,6 +130,28 @@  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,