[PATCH 2/6] KVM: selftests: nVMX: Properly deal with 'hv_clean_fields'

From: Vitaly Kuznetsov
Date: Thu Feb 03 2022 - 05:46:39 EST

Next message: Vitaly Kuznetsov: "[PATCH 3/6] KVM: selftests: nVMX: Add enlightened MSR-Bitmap selftest"
Previous message: Vitaly Kuznetsov: "[PATCH 1/6] KVM: selftests: Adapt hyperv_cpuid test to the newly introduced Enlightened MSR-Bitmap"
In reply to: Vitaly Kuznetsov: "[PATCH 1/6] KVM: selftests: Adapt hyperv_cpuid test to the newly introduced Enlightened MSR-Bitmap"
Next in thread: Vitaly Kuznetsov: "[PATCH 3/6] KVM: selftests: nVMX: Add enlightened MSR-Bitmap selftest"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Instead of just resetting 'hv_clean_fields' to 0 on every enlightened
vmresume, do the expected cleaning of the corresponding bit on enlightened
vmwrite. Avoid direct access to 'current_evmcs' from evmcs_test to support
the change.

Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
---
.../selftests/kvm/include/x86_64/evmcs.h | 150 +++++++++++++++++-
.../testing/selftests/kvm/x86_64/evmcs_test.c | 5 +-
2 files changed, 152 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/kvm/include/x86_64/evmcs.h b/tools/testing/selftests/kvm/include/x86_64/evmcs.h
index c9af97abd622..cc5d14a45702 100644
--- a/tools/testing/selftests/kvm/include/x86_64/evmcs.h
+++ b/tools/testing/selftests/kvm/include/x86_64/evmcs.h
@@ -213,6 +213,25 @@ struct hv_enlightened_vmcs {
u64 padding64_6[7];
};

+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE 0
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_IO_BITMAP BIT(0)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_MSR_BITMAP BIT(1)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2 BIT(2)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1 BIT(3)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_PROC BIT(4)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT BIT(5)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_ENTRY BIT(6)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EXCPN BIT(7)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR BIT(8)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_XLAT BIT(9)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC BIT(10)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1 BIT(11)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2 BIT(12)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER BIT(13)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1 BIT(14)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ENLIGHTENMENTSCONTROL BIT(15)
+#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL 0xFFFF
+
#define HV_X64_MSR_VP_ASSIST_PAGE 0x40000073
#define HV_X64_MSR_VP_ASSIST_PAGE_ENABLE 0x00000001
#define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT 12
@@ -648,381 +667,507 @@ static inline int evmcs_vmwrite(uint64_t encoding, uint64_t value)
switch (encoding) {
case GUEST_RIP:
current_evmcs->guest_rip = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE;
break;
case GUEST_RSP:
current_evmcs->guest_rsp = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC;
break;
case GUEST_RFLAGS:
current_evmcs->guest_rflags = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC;
break;
case HOST_IA32_PAT:
current_evmcs->host_ia32_pat = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
break;
case HOST_IA32_EFER:
current_evmcs->host_ia32_efer = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
break;
case HOST_CR0:
current_evmcs->host_cr0 = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
break;
case HOST_CR3:
current_evmcs->host_cr3 = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
break;
case HOST_CR4:
current_evmcs->host_cr4 = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
break;
case HOST_IA32_SYSENTER_ESP:
current_evmcs->host_ia32_sysenter_esp = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
break;
case HOST_IA32_SYSENTER_EIP:
current_evmcs->host_ia32_sysenter_eip = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
break;
case HOST_RIP:
current_evmcs->host_rip = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
break;
case IO_BITMAP_A:
current_evmcs->io_bitmap_a = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_IO_BITMAP;
break;
case IO_BITMAP_B:
current_evmcs->io_bitmap_b = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_IO_BITMAP;
break;
case MSR_BITMAP:
current_evmcs->msr_bitmap = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_MSR_BITMAP;
break;
case GUEST_ES_BASE:
current_evmcs->guest_es_base = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_CS_BASE:
current_evmcs->guest_cs_base = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_SS_BASE:
current_evmcs->guest_ss_base = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_DS_BASE:
current_evmcs->guest_ds_base = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_FS_BASE:
current_evmcs->guest_fs_base = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_GS_BASE:
current_evmcs->guest_gs_base = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_LDTR_BASE:
current_evmcs->guest_ldtr_base = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_TR_BASE:
current_evmcs->guest_tr_base = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_GDTR_BASE:
current_evmcs->guest_gdtr_base = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_IDTR_BASE:
current_evmcs->guest_idtr_base = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case TSC_OFFSET:
current_evmcs->tsc_offset = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2;
break;
case VIRTUAL_APIC_PAGE_ADDR:
current_evmcs->virtual_apic_page_addr = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2;
break;
case VMCS_LINK_POINTER:
current_evmcs->vmcs_link_pointer = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1;
break;
case GUEST_IA32_DEBUGCTL:
current_evmcs->guest_ia32_debugctl = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1;
break;
case GUEST_IA32_PAT:
current_evmcs->guest_ia32_pat = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1;
break;
case GUEST_IA32_EFER:
current_evmcs->guest_ia32_efer = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1;
break;
case GUEST_PDPTR0:
current_evmcs->guest_pdptr0 = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1;
break;
case GUEST_PDPTR1:
current_evmcs->guest_pdptr1 = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1;
break;
case GUEST_PDPTR2:
current_evmcs->guest_pdptr2 = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1;
break;
case GUEST_PDPTR3:
current_evmcs->guest_pdptr3 = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1;
break;
case GUEST_PENDING_DBG_EXCEPTIONS:
current_evmcs->guest_pending_dbg_exceptions = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1;
break;
case GUEST_SYSENTER_ESP:
current_evmcs->guest_sysenter_esp = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1;
break;
case GUEST_SYSENTER_EIP:
current_evmcs->guest_sysenter_eip = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1;
break;
case CR0_GUEST_HOST_MASK:
current_evmcs->cr0_guest_host_mask = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR;
break;
case CR4_GUEST_HOST_MASK:
current_evmcs->cr4_guest_host_mask = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR;
break;
case CR0_READ_SHADOW:
current_evmcs->cr0_read_shadow = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR;
break;
case CR4_READ_SHADOW:
current_evmcs->cr4_read_shadow = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR;
break;
case GUEST_CR0:
current_evmcs->guest_cr0 = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR;
break;
case GUEST_CR3:
current_evmcs->guest_cr3 = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR;
break;
case GUEST_CR4:
current_evmcs->guest_cr4 = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR;
break;
case GUEST_DR7:
current_evmcs->guest_dr7 = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR;
break;
case HOST_FS_BASE:
current_evmcs->host_fs_base = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER;
break;
case HOST_GS_BASE:
current_evmcs->host_gs_base = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER;
break;
case HOST_TR_BASE:
current_evmcs->host_tr_base = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER;
break;
case HOST_GDTR_BASE:
current_evmcs->host_gdtr_base = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER;
break;
case HOST_IDTR_BASE:
current_evmcs->host_idtr_base = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER;
break;
case HOST_RSP:
current_evmcs->host_rsp = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER;
break;
case EPT_POINTER:
current_evmcs->ept_pointer = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_XLAT;
break;
case GUEST_BNDCFGS:
current_evmcs->guest_bndcfgs = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1;
break;
case XSS_EXIT_BITMAP:
current_evmcs->xss_exit_bitmap = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2;
break;
case GUEST_PHYSICAL_ADDRESS:
current_evmcs->guest_physical_address = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE;
break;
case EXIT_QUALIFICATION:
current_evmcs->exit_qualification = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE;
break;
case GUEST_LINEAR_ADDRESS:
current_evmcs->guest_linear_address = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE;
break;
case VM_EXIT_MSR_STORE_ADDR:
current_evmcs->vm_exit_msr_store_addr = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL;
break;
case VM_EXIT_MSR_LOAD_ADDR:
current_evmcs->vm_exit_msr_load_addr = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL;
break;
case VM_ENTRY_MSR_LOAD_ADDR:
current_evmcs->vm_entry_msr_load_addr = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL;
break;
case CR3_TARGET_VALUE0:
current_evmcs->cr3_target_value0 = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL;
break;
case CR3_TARGET_VALUE1:
current_evmcs->cr3_target_value1 = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL;
break;
case CR3_TARGET_VALUE2:
current_evmcs->cr3_target_value2 = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL;
break;
case CR3_TARGET_VALUE3:
current_evmcs->cr3_target_value3 = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL;
break;
case TPR_THRESHOLD:
current_evmcs->tpr_threshold = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE;
break;
case GUEST_INTERRUPTIBILITY_INFO:
current_evmcs->guest_interruptibility_info = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC;
break;
case CPU_BASED_VM_EXEC_CONTROL:
current_evmcs->cpu_based_vm_exec_control = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_PROC;
break;
case EXCEPTION_BITMAP:
current_evmcs->exception_bitmap = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EXCPN;
break;
case VM_ENTRY_CONTROLS:
current_evmcs->vm_entry_controls = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_ENTRY;
break;
case VM_ENTRY_INTR_INFO_FIELD:
current_evmcs->vm_entry_intr_info_field = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT;
break;
case VM_ENTRY_EXCEPTION_ERROR_CODE:
current_evmcs->vm_entry_exception_error_code = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT;
break;
case VM_ENTRY_INSTRUCTION_LEN:
current_evmcs->vm_entry_instruction_len = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT;
break;
case HOST_IA32_SYSENTER_CS:
current_evmcs->host_ia32_sysenter_cs = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
break;
case PIN_BASED_VM_EXEC_CONTROL:
current_evmcs->pin_based_vm_exec_control = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1;
break;
case VM_EXIT_CONTROLS:
current_evmcs->vm_exit_controls = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1;
break;
case SECONDARY_VM_EXEC_CONTROL:
current_evmcs->secondary_vm_exec_control = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1;
break;
case GUEST_ES_LIMIT:
current_evmcs->guest_es_limit = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_CS_LIMIT:
current_evmcs->guest_cs_limit = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_SS_LIMIT:
current_evmcs->guest_ss_limit = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_DS_LIMIT:
current_evmcs->guest_ds_limit = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_FS_LIMIT:
current_evmcs->guest_fs_limit = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_GS_LIMIT:
current_evmcs->guest_gs_limit = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_LDTR_LIMIT:
current_evmcs->guest_ldtr_limit = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_TR_LIMIT:
current_evmcs->guest_tr_limit = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_GDTR_LIMIT:
current_evmcs->guest_gdtr_limit = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_IDTR_LIMIT:
current_evmcs->guest_idtr_limit = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_ES_AR_BYTES:
current_evmcs->guest_es_ar_bytes = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_CS_AR_BYTES:
current_evmcs->guest_cs_ar_bytes = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_SS_AR_BYTES:
current_evmcs->guest_ss_ar_bytes = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_DS_AR_BYTES:
current_evmcs->guest_ds_ar_bytes = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_FS_AR_BYTES:
current_evmcs->guest_fs_ar_bytes = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_GS_AR_BYTES:
current_evmcs->guest_gs_ar_bytes = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_LDTR_AR_BYTES:
current_evmcs->guest_ldtr_ar_bytes = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_TR_AR_BYTES:
current_evmcs->guest_tr_ar_bytes = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_ACTIVITY_STATE:
current_evmcs->guest_activity_state = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1;
break;
case GUEST_SYSENTER_CS:
current_evmcs->guest_sysenter_cs = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1;
break;
case VM_INSTRUCTION_ERROR:
current_evmcs->vm_instruction_error = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE;
break;
case VM_EXIT_REASON:
current_evmcs->vm_exit_reason = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE;
break;
case VM_EXIT_INTR_INFO:
current_evmcs->vm_exit_intr_info = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE;
break;
case VM_EXIT_INTR_ERROR_CODE:
current_evmcs->vm_exit_intr_error_code = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE;
break;
case IDT_VECTORING_INFO_FIELD:
current_evmcs->idt_vectoring_info_field = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE;
break;
case IDT_VECTORING_ERROR_CODE:
current_evmcs->idt_vectoring_error_code = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE;
break;
case VM_EXIT_INSTRUCTION_LEN:
current_evmcs->vm_exit_instruction_len = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE;
break;
case VMX_INSTRUCTION_INFO:
current_evmcs->vmx_instruction_info = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE;
break;
case PAGE_FAULT_ERROR_CODE_MASK:
current_evmcs->page_fault_error_code_mask = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL;
break;
case PAGE_FAULT_ERROR_CODE_MATCH:
current_evmcs->page_fault_error_code_match = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL;
break;
case CR3_TARGET_COUNT:
current_evmcs->cr3_target_count = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL;
break;
case VM_EXIT_MSR_STORE_COUNT:
current_evmcs->vm_exit_msr_store_count = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL;
break;
case VM_EXIT_MSR_LOAD_COUNT:
current_evmcs->vm_exit_msr_load_count = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL;
break;
case VM_ENTRY_MSR_LOAD_COUNT:
current_evmcs->vm_entry_msr_load_count = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL;
break;
case HOST_ES_SELECTOR:
current_evmcs->host_es_selector = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
break;
case HOST_CS_SELECTOR:
current_evmcs->host_cs_selector = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
break;
case HOST_SS_SELECTOR:
current_evmcs->host_ss_selector = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
break;
case HOST_DS_SELECTOR:
current_evmcs->host_ds_selector = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
break;
case HOST_FS_SELECTOR:
current_evmcs->host_fs_selector = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
break;
case HOST_GS_SELECTOR:
current_evmcs->host_gs_selector = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
break;
case HOST_TR_SELECTOR:
current_evmcs->host_tr_selector = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
break;
case GUEST_ES_SELECTOR:
current_evmcs->guest_es_selector = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_CS_SELECTOR:
current_evmcs->guest_cs_selector = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_SS_SELECTOR:
current_evmcs->guest_ss_selector = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_DS_SELECTOR:
current_evmcs->guest_ds_selector = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_FS_SELECTOR:
current_evmcs->guest_fs_selector = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_GS_SELECTOR:
current_evmcs->guest_gs_selector = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_LDTR_SELECTOR:
current_evmcs->guest_ldtr_selector = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case GUEST_TR_SELECTOR:
current_evmcs->guest_tr_selector = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2;
break;
case VIRTUAL_PROCESSOR_ID:
current_evmcs->virtual_processor_id = value;
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_XLAT;
break;
default: return 1;
}
@@ -1070,7 +1215,10 @@ static inline int evmcs_vmresume(void)
{
int ret;

- current_evmcs->hv_clean_fields = 0;
+ /* HOST_RIP */
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1;
+ /* HOST_RSP */
+ current_evmcs->hv_clean_fields &= ~HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER;

__asm__ __volatile__("push %%rbp;"
"push %%rcx;"
diff --git a/tools/testing/selftests/kvm/x86_64/evmcs_test.c b/tools/testing/selftests/kvm/x86_64/evmcs_test.c
index 4c7841dfd481..655104051819 100644
--- a/tools/testing/selftests/kvm/x86_64/evmcs_test.c
+++ b/tools/testing/selftests/kvm/x86_64/evmcs_test.c
@@ -76,8 +76,9 @@ void guest_code(struct vmx_pages *vmx_pages)
current_evmcs->revision_id = EVMCS_VERSION;
GUEST_SYNC(6);

- current_evmcs->pin_based_vm_exec_control |=
- PIN_BASED_NMI_EXITING;
+ vmwrite(PIN_BASED_VM_EXEC_CONTROL, vmreadz(PIN_BASED_VM_EXEC_CONTROL) |
+ PIN_BASED_NMI_EXITING);
+
GUEST_ASSERT(!vmlaunch());
GUEST_ASSERT(vmptrstz() == vmx_pages->enlightened_vmcs_gpa);

--
2.34.1

Next message: Vitaly Kuznetsov: "[PATCH 3/6] KVM: selftests: nVMX: Add enlightened MSR-Bitmap selftest"
Previous message: Vitaly Kuznetsov: "[PATCH 1/6] KVM: selftests: Adapt hyperv_cpuid test to the newly introduced Enlightened MSR-Bitmap"
In reply to: Vitaly Kuznetsov: "[PATCH 1/6] KVM: selftests: Adapt hyperv_cpuid test to the newly introduced Enlightened MSR-Bitmap"
Next in thread: Vitaly Kuznetsov: "[PATCH 3/6] KVM: selftests: nVMX: Add enlightened MSR-Bitmap selftest"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]