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KVM: VMX: Split off hyperv_evmcs.{ch}

Browse Source 
Some Enlightened VMCS related code is needed both by Hyper-V on KVM and
KVM on Hyper-V. As a preparation to making Hyper-V emulation optional,
create dedicated 'hyperv_evmcs.{ch}' files which are used by both.

No functional change intended.

Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Tested-by: Jeremi Piotrowski <jpiotrowski@linux.microsoft.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Link: https://lore.kernel.org/r/20231205103630.1391318-7-vkuznets@redhat.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Vitaly Kuznetsov 2023-12-05 11:36:20 +01:00 committed by Sean Christopherson
parent 0659262a26
commit e7ad84db4d
7 changed files with 486 additions and 472 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/kvm/Makefile
View File

@ -23,7 +23,7 @@ kvm-$(CONFIG_KVM_XEN) += xen.o
kvm-$(CONFIG_KVM_SMM) += smm.o
kvm-intel-y += vmx/vmx.o vmx/vmenter.o vmx/pmu_intel.o vmx/vmcs12.o \
vmx/hyperv.o vmx/nested.o vmx/posted_intr.o
vmx/hyperv.o vmx/hyperv_evmcs.o vmx/nested.o vmx/posted_intr.o
kvm-intel-$(CONFIG_X86_SGX_KVM) += vmx/sgx.o
ifdef CONFIG_HYPERV

308
arch/x86/kvm/vmx/hyperv.c
View File

@ -13,314 +13,6 @@
#define CC KVM_NESTED_VMENTER_CONSISTENCY_CHECK
#define EVMCS1_OFFSET(x) offsetof(struct hv_enlightened_vmcs, x)
#define EVMCS1_FIELD(number, name, clean_field)[ROL16(number, 6)] = \
{EVMCS1_OFFSET(name), clean_field}
const struct evmcs_field vmcs_field_to_evmcs_1[] = {
/* 64 bit rw */
EVMCS1_FIELD(GUEST_RIP, guest_rip,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(GUEST_RSP, guest_rsp,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC),
EVMCS1_FIELD(GUEST_RFLAGS, guest_rflags,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC),
EVMCS1_FIELD(HOST_IA32_PAT, host_ia32_pat,
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,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_CR4, host_cr4,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_IA32_SYSENTER_ESP, host_ia32_sysenter_esp,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_IA32_SYSENTER_EIP, host_ia32_sysenter_eip,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_RIP, host_rip,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(IO_BITMAP_A, io_bitmap_a,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_IO_BITMAP),
EVMCS1_FIELD(IO_BITMAP_B, io_bitmap_b,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_IO_BITMAP),
EVMCS1_FIELD(MSR_BITMAP, msr_bitmap,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_MSR_BITMAP),
EVMCS1_FIELD(GUEST_ES_BASE, guest_es_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_CS_BASE, guest_cs_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_SS_BASE, guest_ss_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_DS_BASE, guest_ds_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_FS_BASE, guest_fs_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_GS_BASE, guest_gs_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_LDTR_BASE, guest_ldtr_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_TR_BASE, guest_tr_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_GDTR_BASE, guest_gdtr_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_IDTR_BASE, guest_idtr_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(TSC_OFFSET, tsc_offset,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2),
EVMCS1_FIELD(VIRTUAL_APIC_PAGE_ADDR, virtual_apic_page_addr,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2),
EVMCS1_FIELD(VMCS_LINK_POINTER, vmcs_link_pointer,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_IA32_DEBUGCTL, guest_ia32_debugctl,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_IA32_PAT, guest_ia32_pat,
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,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_PDPTR2, guest_pdptr2,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_PDPTR3, guest_pdptr3,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_PENDING_DBG_EXCEPTIONS, guest_pending_dbg_exceptions,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_SYSENTER_ESP, guest_sysenter_esp,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_SYSENTER_EIP, guest_sysenter_eip,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(CR0_GUEST_HOST_MASK, cr0_guest_host_mask,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
EVMCS1_FIELD(CR4_GUEST_HOST_MASK, cr4_guest_host_mask,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
EVMCS1_FIELD(CR0_READ_SHADOW, cr0_read_shadow,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
EVMCS1_FIELD(CR4_READ_SHADOW, cr4_read_shadow,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
EVMCS1_FIELD(GUEST_CR0, guest_cr0,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
EVMCS1_FIELD(GUEST_CR3, guest_cr3,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
EVMCS1_FIELD(GUEST_CR4, guest_cr4,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
EVMCS1_FIELD(GUEST_DR7, guest_dr7,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
EVMCS1_FIELD(HOST_FS_BASE, host_fs_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
EVMCS1_FIELD(HOST_GS_BASE, host_gs_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
EVMCS1_FIELD(HOST_TR_BASE, host_tr_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
EVMCS1_FIELD(HOST_GDTR_BASE, host_gdtr_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
EVMCS1_FIELD(HOST_IDTR_BASE, host_idtr_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
EVMCS1_FIELD(HOST_RSP, host_rsp,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
EVMCS1_FIELD(EPT_POINTER, ept_pointer,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_XLAT),
EVMCS1_FIELD(GUEST_BNDCFGS, guest_bndcfgs,
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,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(EXIT_QUALIFICATION, exit_qualification,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
/*
* Not defined in KVM:
*
* EVMCS1_FIELD(0x00006402, exit_io_instruction_ecx,
* HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE);
* EVMCS1_FIELD(0x00006404, exit_io_instruction_esi,
* HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE);
* EVMCS1_FIELD(0x00006406, exit_io_instruction_esi,
* HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE);
* EVMCS1_FIELD(0x00006408, exit_io_instruction_eip,
* HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE);
*/
EVMCS1_FIELD(GUEST_LINEAR_ADDRESS, guest_linear_address,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
/*
* No mask defined in the spec as Hyper-V doesn't currently support
* these. Future proof by resetting the whole clean field mask on
* access.
*/
EVMCS1_FIELD(VM_EXIT_MSR_STORE_ADDR, vm_exit_msr_store_addr,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(VM_EXIT_MSR_LOAD_ADDR, vm_exit_msr_load_addr,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(VM_ENTRY_MSR_LOAD_ADDR, vm_entry_msr_load_addr,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
/* 32 bit rw */
EVMCS1_FIELD(TPR_THRESHOLD, tpr_threshold,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(GUEST_INTERRUPTIBILITY_INFO, guest_interruptibility_info,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC),
EVMCS1_FIELD(CPU_BASED_VM_EXEC_CONTROL, cpu_based_vm_exec_control,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_PROC),
EVMCS1_FIELD(EXCEPTION_BITMAP, exception_bitmap,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EXCPN),
EVMCS1_FIELD(VM_ENTRY_CONTROLS, vm_entry_controls,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_ENTRY),
EVMCS1_FIELD(VM_ENTRY_INTR_INFO_FIELD, vm_entry_intr_info_field,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT),
EVMCS1_FIELD(VM_ENTRY_EXCEPTION_ERROR_CODE,
vm_entry_exception_error_code,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT),
EVMCS1_FIELD(VM_ENTRY_INSTRUCTION_LEN, vm_entry_instruction_len,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT),
EVMCS1_FIELD(HOST_IA32_SYSENTER_CS, host_ia32_sysenter_cs,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(PIN_BASED_VM_EXEC_CONTROL, pin_based_vm_exec_control,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1),
EVMCS1_FIELD(VM_EXIT_CONTROLS, vm_exit_controls,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1),
EVMCS1_FIELD(SECONDARY_VM_EXEC_CONTROL, secondary_vm_exec_control,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1),
EVMCS1_FIELD(GUEST_ES_LIMIT, guest_es_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_CS_LIMIT, guest_cs_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_SS_LIMIT, guest_ss_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_DS_LIMIT, guest_ds_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_FS_LIMIT, guest_fs_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_GS_LIMIT, guest_gs_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_LDTR_LIMIT, guest_ldtr_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_TR_LIMIT, guest_tr_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_GDTR_LIMIT, guest_gdtr_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_IDTR_LIMIT, guest_idtr_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_ES_AR_BYTES, guest_es_ar_bytes,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_CS_AR_BYTES, guest_cs_ar_bytes,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_SS_AR_BYTES, guest_ss_ar_bytes,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_DS_AR_BYTES, guest_ds_ar_bytes,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_FS_AR_BYTES, guest_fs_ar_bytes,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_GS_AR_BYTES, guest_gs_ar_bytes,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_LDTR_AR_BYTES, guest_ldtr_ar_bytes,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_TR_AR_BYTES, guest_tr_ar_bytes,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_ACTIVITY_STATE, guest_activity_state,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_SYSENTER_CS, guest_sysenter_cs,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
/* 32 bit read only */
EVMCS1_FIELD(VM_INSTRUCTION_ERROR, vm_instruction_error,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(VM_EXIT_REASON, vm_exit_reason,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(VM_EXIT_INTR_INFO, vm_exit_intr_info,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(VM_EXIT_INTR_ERROR_CODE, vm_exit_intr_error_code,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(IDT_VECTORING_INFO_FIELD, idt_vectoring_info_field,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(IDT_VECTORING_ERROR_CODE, idt_vectoring_error_code,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(VM_EXIT_INSTRUCTION_LEN, vm_exit_instruction_len,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(VMX_INSTRUCTION_INFO, vmx_instruction_info,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
/* No mask defined in the spec (not used) */
EVMCS1_FIELD(PAGE_FAULT_ERROR_CODE_MASK, page_fault_error_code_mask,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(PAGE_FAULT_ERROR_CODE_MATCH, page_fault_error_code_match,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(CR3_TARGET_COUNT, cr3_target_count,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(VM_EXIT_MSR_STORE_COUNT, vm_exit_msr_store_count,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(VM_EXIT_MSR_LOAD_COUNT, vm_exit_msr_load_count,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(VM_ENTRY_MSR_LOAD_COUNT, vm_entry_msr_load_count,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
/* 16 bit rw */
EVMCS1_FIELD(HOST_ES_SELECTOR, host_es_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_CS_SELECTOR, host_cs_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_SS_SELECTOR, host_ss_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_DS_SELECTOR, host_ds_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_FS_SELECTOR, host_fs_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_GS_SELECTOR, host_gs_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_TR_SELECTOR, host_tr_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(GUEST_ES_SELECTOR, guest_es_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_CS_SELECTOR, guest_cs_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_SS_SELECTOR, guest_ss_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_DS_SELECTOR, guest_ds_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_FS_SELECTOR, guest_fs_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_GS_SELECTOR, guest_gs_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_LDTR_SELECTOR, guest_ldtr_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_TR_SELECTOR, guest_tr_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(VIRTUAL_PROCESSOR_ID, virtual_processor_id,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_XLAT),
};
const unsigned int nr_evmcs_1_fields = ARRAY_SIZE(vmcs_field_to_evmcs_1);
u64 nested_get_evmptr(struct kvm_vcpu *vcpu)
{
struct kvm_vcpu_hv *hv_vcpu = to_hv_vcpu(vcpu);

163
arch/x86/kvm/vmx/hyperv.h
View File

@ -2,170 +2,9 @@
#ifndef __KVM_X86_VMX_HYPERV_H
#define __KVM_X86_VMX_HYPERV_H
#include <linux/jump_label.h>
#include <asm/hyperv-tlfs.h>
#include <asm/mshyperv.h>
#include <asm/vmx.h>
#include "../hyperv.h"
#include "capabilities.h"
#include "vmcs.h"
#include <linux/kvm_host.h>
#include "vmcs12.h"
#define KVM_EVMCS_VERSION 1
/*
* Enlightened VMCSv1 doesn't support these:
*
* POSTED_INTR_NV = 0x00000002,
* GUEST_INTR_STATUS = 0x00000810,
* APIC_ACCESS_ADDR = 0x00002014,
* POSTED_INTR_DESC_ADDR = 0x00002016,
* EOI_EXIT_BITMAP0 = 0x0000201c,
* EOI_EXIT_BITMAP1 = 0x0000201e,
* EOI_EXIT_BITMAP2 = 0x00002020,
* EOI_EXIT_BITMAP3 = 0x00002022,
* GUEST_PML_INDEX = 0x00000812,
* PML_ADDRESS = 0x0000200e,
* VM_FUNCTION_CONTROL = 0x00002018,
* EPTP_LIST_ADDRESS = 0x00002024,
* VMREAD_BITMAP = 0x00002026,
* VMWRITE_BITMAP = 0x00002028,
*
* TSC_MULTIPLIER = 0x00002032,
* PLE_GAP = 0x00004020,
* PLE_WINDOW = 0x00004022,
* VMX_PREEMPTION_TIMER_VALUE = 0x0000482E,
*
* Currently unsupported in KVM:
* GUEST_IA32_RTIT_CTL = 0x00002814,
*/
#define EVMCS1_SUPPORTED_PINCTRL \
(PIN_BASED_ALWAYSON_WITHOUT_TRUE_MSR | \
PIN_BASED_EXT_INTR_MASK | \
PIN_BASED_NMI_EXITING | \
PIN_BASED_VIRTUAL_NMIS)
#define EVMCS1_SUPPORTED_EXEC_CTRL \
(CPU_BASED_ALWAYSON_WITHOUT_TRUE_MSR | \
CPU_BASED_HLT_EXITING | \
CPU_BASED_CR3_LOAD_EXITING | \
CPU_BASED_CR3_STORE_EXITING | \
CPU_BASED_UNCOND_IO_EXITING | \
CPU_BASED_MOV_DR_EXITING | \
CPU_BASED_USE_TSC_OFFSETTING | \
CPU_BASED_MWAIT_EXITING | \
CPU_BASED_MONITOR_EXITING | \
CPU_BASED_INVLPG_EXITING | \
CPU_BASED_RDPMC_EXITING | \
CPU_BASED_INTR_WINDOW_EXITING | \
CPU_BASED_CR8_LOAD_EXITING | \
CPU_BASED_CR8_STORE_EXITING | \
CPU_BASED_RDTSC_EXITING | \
CPU_BASED_TPR_SHADOW | \
CPU_BASED_USE_IO_BITMAPS | \
CPU_BASED_MONITOR_TRAP_FLAG | \
CPU_BASED_USE_MSR_BITMAPS | \
CPU_BASED_NMI_WINDOW_EXITING | \
CPU_BASED_PAUSE_EXITING | \
CPU_BASED_ACTIVATE_SECONDARY_CONTROLS)
#define EVMCS1_SUPPORTED_2NDEXEC \
(SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE | \
SECONDARY_EXEC_WBINVD_EXITING | \
SECONDARY_EXEC_ENABLE_VPID | \
SECONDARY_EXEC_ENABLE_EPT | \
SECONDARY_EXEC_UNRESTRICTED_GUEST | \
SECONDARY_EXEC_DESC | \
SECONDARY_EXEC_ENABLE_RDTSCP | \
SECONDARY_EXEC_ENABLE_INVPCID | \
SECONDARY_EXEC_ENABLE_XSAVES | \
SECONDARY_EXEC_RDSEED_EXITING | \
SECONDARY_EXEC_RDRAND_EXITING | \
SECONDARY_EXEC_TSC_SCALING | \
SECONDARY_EXEC_ENABLE_USR_WAIT_PAUSE | \
SECONDARY_EXEC_PT_USE_GPA | \
SECONDARY_EXEC_PT_CONCEAL_VMX | \
SECONDARY_EXEC_BUS_LOCK_DETECTION | \
SECONDARY_EXEC_NOTIFY_VM_EXITING | \
SECONDARY_EXEC_ENCLS_EXITING)
#define EVMCS1_SUPPORTED_3RDEXEC (0ULL)
#define EVMCS1_SUPPORTED_VMEXIT_CTRL \
(VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR | \
VM_EXIT_SAVE_DEBUG_CONTROLS | \
VM_EXIT_ACK_INTR_ON_EXIT | \
VM_EXIT_HOST_ADDR_SPACE_SIZE | \
VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL | \
VM_EXIT_SAVE_IA32_PAT | \
VM_EXIT_LOAD_IA32_PAT | \
VM_EXIT_SAVE_IA32_EFER | \
VM_EXIT_LOAD_IA32_EFER | \
VM_EXIT_CLEAR_BNDCFGS | \
VM_EXIT_PT_CONCEAL_PIP | \
VM_EXIT_CLEAR_IA32_RTIT_CTL)
#define EVMCS1_SUPPORTED_VMENTRY_CTRL \
(VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR | \
VM_ENTRY_LOAD_DEBUG_CONTROLS | \
VM_ENTRY_IA32E_MODE | \
VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL | \
VM_ENTRY_LOAD_IA32_PAT | \
VM_ENTRY_LOAD_IA32_EFER | \
VM_ENTRY_LOAD_BNDCFGS | \
VM_ENTRY_PT_CONCEAL_PIP | \
VM_ENTRY_LOAD_IA32_RTIT_CTL)
#define EVMCS1_SUPPORTED_VMFUNC (0)
struct evmcs_field {
u16 offset;
u16 clean_field;
};
extern const struct evmcs_field vmcs_field_to_evmcs_1[];
extern const unsigned int nr_evmcs_1_fields;
static __always_inline int evmcs_field_offset(unsigned long field,
u16 *clean_field)
{
unsigned int index = ROL16(field, 6);
const struct evmcs_field *evmcs_field;
if (unlikely(index >= nr_evmcs_1_fields))
return -ENOENT;
evmcs_field = &vmcs_field_to_evmcs_1[index];
/*
* Use offset=0 to detect holes in eVMCS. This offset belongs to
* 'revision_id' but this field has no encoding and is supposed to
* be accessed directly.
*/
if (unlikely(!evmcs_field->offset))
return -ENOENT;
if (clean_field)
*clean_field = evmcs_field->clean_field;
return evmcs_field->offset;
}
static inline u64 evmcs_read_any(struct hv_enlightened_vmcs *evmcs,
unsigned long field, u16 offset)
{
/*
* vmcs12_read_any() doesn't care whether the supplied structure
* is 'struct vmcs12' or 'struct hv_enlightened_vmcs' as it takes
* the exact offset of the required field, use it for convenience
* here.
*/
return vmcs12_read_any((void *)evmcs, field, offset);
}
#define EVMPTR_INVALID (-1ULL)
#define EVMPTR_MAP_PENDING (-2ULL)

315
arch/x86/kvm/vmx/hyperv_evmcs.c Normal file
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@ -0,0 +1,315 @@
// SPDX-License-Identifier: GPL-2.0
/*
* This file contains common code for working with Enlightened VMCS which is
* used both by Hyper-V on KVM and KVM on Hyper-V.
*/
#include "hyperv_evmcs.h"
#define EVMCS1_OFFSET(x) offsetof(struct hv_enlightened_vmcs, x)
#define EVMCS1_FIELD(number, name, clean_field)[ROL16(number, 6)] = \
{EVMCS1_OFFSET(name), clean_field}
const struct evmcs_field vmcs_field_to_evmcs_1[] = {
/* 64 bit rw */
EVMCS1_FIELD(GUEST_RIP, guest_rip,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(GUEST_RSP, guest_rsp,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC),
EVMCS1_FIELD(GUEST_RFLAGS, guest_rflags,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC),
EVMCS1_FIELD(HOST_IA32_PAT, host_ia32_pat,
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,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_CR4, host_cr4,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_IA32_SYSENTER_ESP, host_ia32_sysenter_esp,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_IA32_SYSENTER_EIP, host_ia32_sysenter_eip,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_RIP, host_rip,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(IO_BITMAP_A, io_bitmap_a,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_IO_BITMAP),
EVMCS1_FIELD(IO_BITMAP_B, io_bitmap_b,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_IO_BITMAP),
EVMCS1_FIELD(MSR_BITMAP, msr_bitmap,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_MSR_BITMAP),
EVMCS1_FIELD(GUEST_ES_BASE, guest_es_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_CS_BASE, guest_cs_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_SS_BASE, guest_ss_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_DS_BASE, guest_ds_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_FS_BASE, guest_fs_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_GS_BASE, guest_gs_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_LDTR_BASE, guest_ldtr_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_TR_BASE, guest_tr_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_GDTR_BASE, guest_gdtr_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_IDTR_BASE, guest_idtr_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(TSC_OFFSET, tsc_offset,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2),
EVMCS1_FIELD(VIRTUAL_APIC_PAGE_ADDR, virtual_apic_page_addr,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2),
EVMCS1_FIELD(VMCS_LINK_POINTER, vmcs_link_pointer,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_IA32_DEBUGCTL, guest_ia32_debugctl,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_IA32_PAT, guest_ia32_pat,
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,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_PDPTR2, guest_pdptr2,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_PDPTR3, guest_pdptr3,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_PENDING_DBG_EXCEPTIONS, guest_pending_dbg_exceptions,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_SYSENTER_ESP, guest_sysenter_esp,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_SYSENTER_EIP, guest_sysenter_eip,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(CR0_GUEST_HOST_MASK, cr0_guest_host_mask,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
EVMCS1_FIELD(CR4_GUEST_HOST_MASK, cr4_guest_host_mask,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
EVMCS1_FIELD(CR0_READ_SHADOW, cr0_read_shadow,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
EVMCS1_FIELD(CR4_READ_SHADOW, cr4_read_shadow,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
EVMCS1_FIELD(GUEST_CR0, guest_cr0,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
EVMCS1_FIELD(GUEST_CR3, guest_cr3,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
EVMCS1_FIELD(GUEST_CR4, guest_cr4,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
EVMCS1_FIELD(GUEST_DR7, guest_dr7,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR),
EVMCS1_FIELD(HOST_FS_BASE, host_fs_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
EVMCS1_FIELD(HOST_GS_BASE, host_gs_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
EVMCS1_FIELD(HOST_TR_BASE, host_tr_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
EVMCS1_FIELD(HOST_GDTR_BASE, host_gdtr_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
EVMCS1_FIELD(HOST_IDTR_BASE, host_idtr_base,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
EVMCS1_FIELD(HOST_RSP, host_rsp,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER),
EVMCS1_FIELD(EPT_POINTER, ept_pointer,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_XLAT),
EVMCS1_FIELD(GUEST_BNDCFGS, guest_bndcfgs,
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,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(EXIT_QUALIFICATION, exit_qualification,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
/*
* Not defined in KVM:
*
* EVMCS1_FIELD(0x00006402, exit_io_instruction_ecx,
* HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE);
* EVMCS1_FIELD(0x00006404, exit_io_instruction_esi,
* HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE);
* EVMCS1_FIELD(0x00006406, exit_io_instruction_esi,
* HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE);
* EVMCS1_FIELD(0x00006408, exit_io_instruction_eip,
* HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE);
*/
EVMCS1_FIELD(GUEST_LINEAR_ADDRESS, guest_linear_address,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
/*
* No mask defined in the spec as Hyper-V doesn't currently support
* these. Future proof by resetting the whole clean field mask on
* access.
*/
EVMCS1_FIELD(VM_EXIT_MSR_STORE_ADDR, vm_exit_msr_store_addr,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(VM_EXIT_MSR_LOAD_ADDR, vm_exit_msr_load_addr,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(VM_ENTRY_MSR_LOAD_ADDR, vm_entry_msr_load_addr,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
/* 32 bit rw */
EVMCS1_FIELD(TPR_THRESHOLD, tpr_threshold,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(GUEST_INTERRUPTIBILITY_INFO, guest_interruptibility_info,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC),
EVMCS1_FIELD(CPU_BASED_VM_EXEC_CONTROL, cpu_based_vm_exec_control,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_PROC),
EVMCS1_FIELD(EXCEPTION_BITMAP, exception_bitmap,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EXCPN),
EVMCS1_FIELD(VM_ENTRY_CONTROLS, vm_entry_controls,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_ENTRY),
EVMCS1_FIELD(VM_ENTRY_INTR_INFO_FIELD, vm_entry_intr_info_field,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT),
EVMCS1_FIELD(VM_ENTRY_EXCEPTION_ERROR_CODE,
vm_entry_exception_error_code,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT),
EVMCS1_FIELD(VM_ENTRY_INSTRUCTION_LEN, vm_entry_instruction_len,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT),
EVMCS1_FIELD(HOST_IA32_SYSENTER_CS, host_ia32_sysenter_cs,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(PIN_BASED_VM_EXEC_CONTROL, pin_based_vm_exec_control,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1),
EVMCS1_FIELD(VM_EXIT_CONTROLS, vm_exit_controls,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1),
EVMCS1_FIELD(SECONDARY_VM_EXEC_CONTROL, secondary_vm_exec_control,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1),
EVMCS1_FIELD(GUEST_ES_LIMIT, guest_es_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_CS_LIMIT, guest_cs_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_SS_LIMIT, guest_ss_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_DS_LIMIT, guest_ds_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_FS_LIMIT, guest_fs_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_GS_LIMIT, guest_gs_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_LDTR_LIMIT, guest_ldtr_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_TR_LIMIT, guest_tr_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_GDTR_LIMIT, guest_gdtr_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_IDTR_LIMIT, guest_idtr_limit,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_ES_AR_BYTES, guest_es_ar_bytes,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_CS_AR_BYTES, guest_cs_ar_bytes,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_SS_AR_BYTES, guest_ss_ar_bytes,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_DS_AR_BYTES, guest_ds_ar_bytes,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_FS_AR_BYTES, guest_fs_ar_bytes,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_GS_AR_BYTES, guest_gs_ar_bytes,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_LDTR_AR_BYTES, guest_ldtr_ar_bytes,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_TR_AR_BYTES, guest_tr_ar_bytes,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_ACTIVITY_STATE, guest_activity_state,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
EVMCS1_FIELD(GUEST_SYSENTER_CS, guest_sysenter_cs,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1),
/* 32 bit read only */
EVMCS1_FIELD(VM_INSTRUCTION_ERROR, vm_instruction_error,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(VM_EXIT_REASON, vm_exit_reason,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(VM_EXIT_INTR_INFO, vm_exit_intr_info,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(VM_EXIT_INTR_ERROR_CODE, vm_exit_intr_error_code,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(IDT_VECTORING_INFO_FIELD, idt_vectoring_info_field,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(IDT_VECTORING_ERROR_CODE, idt_vectoring_error_code,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(VM_EXIT_INSTRUCTION_LEN, vm_exit_instruction_len,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
EVMCS1_FIELD(VMX_INSTRUCTION_INFO, vmx_instruction_info,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE),
/* No mask defined in the spec (not used) */
EVMCS1_FIELD(PAGE_FAULT_ERROR_CODE_MASK, page_fault_error_code_mask,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(PAGE_FAULT_ERROR_CODE_MATCH, page_fault_error_code_match,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(CR3_TARGET_COUNT, cr3_target_count,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(VM_EXIT_MSR_STORE_COUNT, vm_exit_msr_store_count,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(VM_EXIT_MSR_LOAD_COUNT, vm_exit_msr_load_count,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(VM_ENTRY_MSR_LOAD_COUNT, vm_entry_msr_load_count,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
/* 16 bit rw */
EVMCS1_FIELD(HOST_ES_SELECTOR, host_es_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_CS_SELECTOR, host_cs_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_SS_SELECTOR, host_ss_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_DS_SELECTOR, host_ds_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_FS_SELECTOR, host_fs_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_GS_SELECTOR, host_gs_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(HOST_TR_SELECTOR, host_tr_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1),
EVMCS1_FIELD(GUEST_ES_SELECTOR, guest_es_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_CS_SELECTOR, guest_cs_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_SS_SELECTOR, guest_ss_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_DS_SELECTOR, guest_ds_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_FS_SELECTOR, guest_fs_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_GS_SELECTOR, guest_gs_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_LDTR_SELECTOR, guest_ldtr_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(GUEST_TR_SELECTOR, guest_tr_selector,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2),
EVMCS1_FIELD(VIRTUAL_PROCESSOR_ID, virtual_processor_id,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_XLAT),
};
const unsigned int nr_evmcs_1_fields = ARRAY_SIZE(vmcs_field_to_evmcs_1);

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arch/x86/kvm/vmx/hyperv_evmcs.h Normal file
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@ -0,0 +1,166 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* This file contains common definitions for working with Enlightened VMCS which
* are used both by Hyper-V on KVM and KVM on Hyper-V.
*/
#ifndef __KVM_X86_VMX_HYPERV_EVMCS_H
#define __KVM_X86_VMX_HYPERV_EVMCS_H
#include <asm/hyperv-tlfs.h>
#include "capabilities.h"
#include "vmcs12.h"
#define KVM_EVMCS_VERSION 1
/*
* Enlightened VMCSv1 doesn't support these:
*
* POSTED_INTR_NV = 0x00000002,
* GUEST_INTR_STATUS = 0x00000810,
* APIC_ACCESS_ADDR = 0x00002014,
* POSTED_INTR_DESC_ADDR = 0x00002016,
* EOI_EXIT_BITMAP0 = 0x0000201c,
* EOI_EXIT_BITMAP1 = 0x0000201e,
* EOI_EXIT_BITMAP2 = 0x00002020,
* EOI_EXIT_BITMAP3 = 0x00002022,
* GUEST_PML_INDEX = 0x00000812,
* PML_ADDRESS = 0x0000200e,
* VM_FUNCTION_CONTROL = 0x00002018,
* EPTP_LIST_ADDRESS = 0x00002024,
* VMREAD_BITMAP = 0x00002026,
* VMWRITE_BITMAP = 0x00002028,
*
* TSC_MULTIPLIER = 0x00002032,
* PLE_GAP = 0x00004020,
* PLE_WINDOW = 0x00004022,
* VMX_PREEMPTION_TIMER_VALUE = 0x0000482E,
*
* Currently unsupported in KVM:
* GUEST_IA32_RTIT_CTL = 0x00002814,
*/
#define EVMCS1_SUPPORTED_PINCTRL \
(PIN_BASED_ALWAYSON_WITHOUT_TRUE_MSR | \
PIN_BASED_EXT_INTR_MASK | \
PIN_BASED_NMI_EXITING | \
PIN_BASED_VIRTUAL_NMIS)
#define EVMCS1_SUPPORTED_EXEC_CTRL \
(CPU_BASED_ALWAYSON_WITHOUT_TRUE_MSR | \
CPU_BASED_HLT_EXITING | \
CPU_BASED_CR3_LOAD_EXITING | \
CPU_BASED_CR3_STORE_EXITING | \
CPU_BASED_UNCOND_IO_EXITING | \
CPU_BASED_MOV_DR_EXITING | \
CPU_BASED_USE_TSC_OFFSETTING | \
CPU_BASED_MWAIT_EXITING | \
CPU_BASED_MONITOR_EXITING | \
CPU_BASED_INVLPG_EXITING | \
CPU_BASED_RDPMC_EXITING | \
CPU_BASED_INTR_WINDOW_EXITING | \
CPU_BASED_CR8_LOAD_EXITING | \
CPU_BASED_CR8_STORE_EXITING | \
CPU_BASED_RDTSC_EXITING | \
CPU_BASED_TPR_SHADOW | \
CPU_BASED_USE_IO_BITMAPS | \
CPU_BASED_MONITOR_TRAP_FLAG | \
CPU_BASED_USE_MSR_BITMAPS | \
CPU_BASED_NMI_WINDOW_EXITING | \
CPU_BASED_PAUSE_EXITING | \
CPU_BASED_ACTIVATE_SECONDARY_CONTROLS)
#define EVMCS1_SUPPORTED_2NDEXEC \
(SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE | \
SECONDARY_EXEC_WBINVD_EXITING | \
SECONDARY_EXEC_ENABLE_VPID | \
SECONDARY_EXEC_ENABLE_EPT | \
SECONDARY_EXEC_UNRESTRICTED_GUEST | \
SECONDARY_EXEC_DESC | \
SECONDARY_EXEC_ENABLE_RDTSCP | \
SECONDARY_EXEC_ENABLE_INVPCID | \
SECONDARY_EXEC_ENABLE_XSAVES | \
SECONDARY_EXEC_RDSEED_EXITING | \
SECONDARY_EXEC_RDRAND_EXITING | \
SECONDARY_EXEC_TSC_SCALING | \
SECONDARY_EXEC_ENABLE_USR_WAIT_PAUSE | \
SECONDARY_EXEC_PT_USE_GPA | \
SECONDARY_EXEC_PT_CONCEAL_VMX | \
SECONDARY_EXEC_BUS_LOCK_DETECTION | \
SECONDARY_EXEC_NOTIFY_VM_EXITING | \
SECONDARY_EXEC_ENCLS_EXITING)
#define EVMCS1_SUPPORTED_3RDEXEC (0ULL)
#define EVMCS1_SUPPORTED_VMEXIT_CTRL \
(VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR | \
VM_EXIT_SAVE_DEBUG_CONTROLS | \
VM_EXIT_ACK_INTR_ON_EXIT | \
VM_EXIT_HOST_ADDR_SPACE_SIZE | \
VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL | \
VM_EXIT_SAVE_IA32_PAT | \
VM_EXIT_LOAD_IA32_PAT | \
VM_EXIT_SAVE_IA32_EFER | \
VM_EXIT_LOAD_IA32_EFER | \
VM_EXIT_CLEAR_BNDCFGS | \
VM_EXIT_PT_CONCEAL_PIP | \
VM_EXIT_CLEAR_IA32_RTIT_CTL)
#define EVMCS1_SUPPORTED_VMENTRY_CTRL \
(VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR | \
VM_ENTRY_LOAD_DEBUG_CONTROLS | \
VM_ENTRY_IA32E_MODE | \
VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL | \
VM_ENTRY_LOAD_IA32_PAT | \
VM_ENTRY_LOAD_IA32_EFER | \
VM_ENTRY_LOAD_BNDCFGS | \
VM_ENTRY_PT_CONCEAL_PIP | \
VM_ENTRY_LOAD_IA32_RTIT_CTL)
#define EVMCS1_SUPPORTED_VMFUNC (0)
struct evmcs_field {
u16 offset;
u16 clean_field;
};
extern const struct evmcs_field vmcs_field_to_evmcs_1[];
extern const unsigned int nr_evmcs_1_fields;
static __always_inline int evmcs_field_offset(unsigned long field,
u16 *clean_field)
{
const struct evmcs_field *evmcs_field;
unsigned int index = ROL16(field, 6);
if (unlikely(index >= nr_evmcs_1_fields))
return -ENOENT;
evmcs_field = &vmcs_field_to_evmcs_1[index];
/*
* Use offset=0 to detect holes in eVMCS. This offset belongs to
* 'revision_id' but this field has no encoding and is supposed to
* be accessed directly.
*/
if (unlikely(!evmcs_field->offset))
return -ENOENT;
if (clean_field)
*clean_field = evmcs_field->clean_field;
return evmcs_field->offset;
}
static inline u64 evmcs_read_any(struct hv_enlightened_vmcs *evmcs,
unsigned long field, u16 offset)
{
/*
* vmcs12_read_any() doesn't care whether the supplied structure
* is 'struct vmcs12' or 'struct hv_enlightened_vmcs' as it takes
* the exact offset of the required field, use it for convenience
* here.
*/
return vmcs12_read_any((void *)evmcs, field, offset);
}
#endif /* __KVM_X86_VMX_HYPERV_H */

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arch/x86/kvm/vmx/nested.h
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@ -3,6 +3,7 @@
#define __KVM_X86_VMX_NESTED_H
#include "kvm_cache_regs.h"
#include "hyperv.h"
#include "vmcs12.h"
#include "vmx.h"

3
arch/x86/kvm/vmx/vmx_onhyperv.h
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@ -4,11 +4,12 @@
#define __ARCH_X86_KVM_VMX_ONHYPERV_H__
#include <asm/hyperv-tlfs.h>
#include <asm/mshyperv.h>
#include <linux/jump_label.h>
#include "capabilities.h"
#include "hyperv.h"
#include "hyperv_evmcs.h"
#include "vmcs12.h"
#define current_evmcs ((struct hv_enlightened_vmcs *)this_cpu_read(current_vmcs))