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WSL2-Linux-Kernel/arch/x86/kvm/vmx_evmcs.h

325 строки
14 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __KVM_X86_VMX_EVMCS_H
#define __KVM_X86_VMX_EVMCS_H
#include <asm/hyperv-tlfs.h>
#define ROL16(val, n) ((u16)(((u16)(val) << (n)) | ((u16)(val) >> (16 - (n)))))
#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}
struct evmcs_field {
u16 offset;
u16 clean_field;
};
static 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_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_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),
/* 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),
EVMCS1_FIELD(CR3_TARGET_VALUE0, cr3_target_value0,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(CR3_TARGET_VALUE1, cr3_target_value1,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(CR3_TARGET_VALUE2, cr3_target_value2,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(CR3_TARGET_VALUE3, cr3_target_value3,
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),
};
static __always_inline int get_evmcs_offset(unsigned long field,
u16 *clean_field)
{
unsigned int index = ROL16(field, 6);
const struct evmcs_field *evmcs_field;
if (unlikely(index >= ARRAY_SIZE(vmcs_field_to_evmcs_1))) {
WARN_ONCE(1, "KVM: accessing unsupported EVMCS field %lx\n",
field);
return -ENOENT;
}
evmcs_field = &vmcs_field_to_evmcs_1[index];
if (clean_field)
*clean_field = evmcs_field->clean_field;
return evmcs_field->offset;
}
#undef ROL16
#endif /* __KVM_X86_VMX_EVMCS_H */
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