Quelle  vmx.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * vmx.h: VMX Architecture related definitions
 * Copyright (c) 2004, Intel Corporation.
 *
 * A few random additions are:
 * Copyright (C) 2006 Qumranet
 *    Avi Kivity <avi@qumranet.com>
 *    Yaniv Kamay <yaniv@qumranet.com>
 */
#ifndef VMX_H
#define VMX_H


#include <linux/bitops.h>
#include <linux/bug.h>
#include <linux/types.h>

#include <uapi/asm/vmx.h>
#include <asm/trapnr.h>
#include <asm/vmxfeatures.h>

#define VMCS_CONTROL_BIT(x) BIT(VMX_FEATURE_##x & 0x1f)

/*
 * Definitions of Primary Processor-Based VM-Execution Controls.
 */
#define CPU_BASED_INTR_WINDOW_EXITING           VMCS_CONTROL_BIT(INTR_WINDOW_EXITING)
#define CPU_BASED_USE_TSC_OFFSETTING            VMCS_CONTROL_BIT(USE_TSC_OFFSETTING)
#define CPU_BASED_HLT_EXITING                   VMCS_CONTROL_BIT(HLT_EXITING)
#define CPU_BASED_INVLPG_EXITING                VMCS_CONTROL_BIT(INVLPG_EXITING)
#define CPU_BASED_MWAIT_EXITING                 VMCS_CONTROL_BIT(MWAIT_EXITING)
#define CPU_BASED_RDPMC_EXITING                 VMCS_CONTROL_BIT(RDPMC_EXITING)
#define CPU_BASED_RDTSC_EXITING                 VMCS_CONTROL_BIT(RDTSC_EXITING)
#define CPU_BASED_CR3_LOAD_EXITING  VMCS_CONTROL_BIT(CR3_LOAD_EXITING)
#define CPU_BASED_CR3_STORE_EXITING  VMCS_CONTROL_BIT(CR3_STORE_EXITING)
#define CPU_BASED_ACTIVATE_TERTIARY_CONTROLS VMCS_CONTROL_BIT(TERTIARY_CONTROLS)
#define CPU_BASED_CR8_LOAD_EXITING              VMCS_CONTROL_BIT(CR8_LOAD_EXITING)
#define CPU_BASED_CR8_STORE_EXITING             VMCS_CONTROL_BIT(CR8_STORE_EXITING)
#define CPU_BASED_TPR_SHADOW                    VMCS_CONTROL_BIT(VIRTUAL_TPR)
#define CPU_BASED_NMI_WINDOW_EXITING  VMCS_CONTROL_BIT(NMI_WINDOW_EXITING)
#define CPU_BASED_MOV_DR_EXITING                VMCS_CONTROL_BIT(MOV_DR_EXITING)
#define CPU_BASED_UNCOND_IO_EXITING             VMCS_CONTROL_BIT(UNCOND_IO_EXITING)
#define CPU_BASED_USE_IO_BITMAPS                VMCS_CONTROL_BIT(USE_IO_BITMAPS)
#define CPU_BASED_MONITOR_TRAP_FLAG             VMCS_CONTROL_BIT(MONITOR_TRAP_FLAG)
#define CPU_BASED_USE_MSR_BITMAPS               VMCS_CONTROL_BIT(USE_MSR_BITMAPS)
#define CPU_BASED_MONITOR_EXITING               VMCS_CONTROL_BIT(MONITOR_EXITING)
#define CPU_BASED_PAUSE_EXITING                 VMCS_CONTROL_BIT(PAUSE_EXITING)
#define CPU_BASED_ACTIVATE_SECONDARY_CONTROLS   VMCS_CONTROL_BIT(SEC_CONTROLS)

#define CPU_BASED_ALWAYSON_WITHOUT_TRUE_MSR 0x0401e172

/*
 * Definitions of Secondary Processor-Based VM-Execution Controls.
 */
#define SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES VMCS_CONTROL_BIT(VIRT_APIC_ACCESSES)
#define SECONDARY_EXEC_ENABLE_EPT               VMCS_CONTROL_BIT(EPT)
#define SECONDARY_EXEC_DESC   VMCS_CONTROL_BIT(DESC_EXITING)
#define SECONDARY_EXEC_ENABLE_RDTSCP  VMCS_CONTROL_BIT(RDTSCP)
#define SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE   VMCS_CONTROL_BIT(VIRTUAL_X2APIC)
#define SECONDARY_EXEC_ENABLE_VPID              VMCS_CONTROL_BIT(VPID)
#define SECONDARY_EXEC_WBINVD_EXITING  VMCS_CONTROL_BIT(WBINVD_EXITING)
#define SECONDARY_EXEC_UNRESTRICTED_GUEST VMCS_CONTROL_BIT(UNRESTRICTED_GUEST)
#define SECONDARY_EXEC_APIC_REGISTER_VIRT       VMCS_CONTROL_BIT(APIC_REGISTER_VIRT)
#define SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    VMCS_CONTROL_BIT(VIRT_INTR_DELIVERY)
#define SECONDARY_EXEC_PAUSE_LOOP_EXITING VMCS_CONTROL_BIT(PAUSE_LOOP_EXITING)
#define SECONDARY_EXEC_RDRAND_EXITING  VMCS_CONTROL_BIT(RDRAND_EXITING)
#define SECONDARY_EXEC_ENABLE_INVPCID  VMCS_CONTROL_BIT(INVPCID)
#define SECONDARY_EXEC_ENABLE_VMFUNC            VMCS_CONTROL_BIT(VMFUNC)
#define SECONDARY_EXEC_SHADOW_VMCS              VMCS_CONTROL_BIT(SHADOW_VMCS)
#define SECONDARY_EXEC_ENCLS_EXITING  VMCS_CONTROL_BIT(ENCLS_EXITING)
#define SECONDARY_EXEC_RDSEED_EXITING  VMCS_CONTROL_BIT(RDSEED_EXITING)
#define SECONDARY_EXEC_ENABLE_PML               VMCS_CONTROL_BIT(PAGE_MOD_LOGGING)
#define SECONDARY_EXEC_EPT_VIOLATION_VE  VMCS_CONTROL_BIT(EPT_VIOLATION_VE)
#define SECONDARY_EXEC_PT_CONCEAL_VMX  VMCS_CONTROL_BIT(PT_CONCEAL_VMX)
#define SECONDARY_EXEC_ENABLE_XSAVES  VMCS_CONTROL_BIT(XSAVES)
#define SECONDARY_EXEC_MODE_BASED_EPT_EXEC VMCS_CONTROL_BIT(MODE_BASED_EPT_EXEC)
#define SECONDARY_EXEC_PT_USE_GPA  VMCS_CONTROL_BIT(PT_USE_GPA)
#define SECONDARY_EXEC_TSC_SCALING              VMCS_CONTROL_BIT(TSC_SCALING)
#define SECONDARY_EXEC_ENABLE_USR_WAIT_PAUSE VMCS_CONTROL_BIT(USR_WAIT_PAUSE)
#define SECONDARY_EXEC_BUS_LOCK_DETECTION VMCS_CONTROL_BIT(BUS_LOCK_DETECTION)
#define SECONDARY_EXEC_NOTIFY_VM_EXITING VMCS_CONTROL_BIT(NOTIFY_VM_EXITING)

/*
 * Definitions of Tertiary Processor-Based VM-Execution Controls.
 */
#define TERTIARY_EXEC_IPI_VIRT   VMCS_CONTROL_BIT(IPI_VIRT)

#define PIN_BASED_EXT_INTR_MASK                 VMCS_CONTROL_BIT(INTR_EXITING)
#define PIN_BASED_NMI_EXITING                   VMCS_CONTROL_BIT(NMI_EXITING)
#define PIN_BASED_VIRTUAL_NMIS                  VMCS_CONTROL_BIT(VIRTUAL_NMIS)
#define PIN_BASED_VMX_PREEMPTION_TIMER          VMCS_CONTROL_BIT(PREEMPTION_TIMER)
#define PIN_BASED_POSTED_INTR                   VMCS_CONTROL_BIT(POSTED_INTR)

#define PIN_BASED_ALWAYSON_WITHOUT_TRUE_MSR 0x00000016

#define VM_EXIT_SAVE_DEBUG_CONTROLS             0x00000004
#define VM_EXIT_HOST_ADDR_SPACE_SIZE            0x00000200
#define VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL      0x00001000
#define VM_EXIT_ACK_INTR_ON_EXIT                0x00008000
#define VM_EXIT_SAVE_IA32_PAT   0x00040000
#define VM_EXIT_LOAD_IA32_PAT   0x00080000
#define VM_EXIT_SAVE_IA32_EFER                  0x00100000
#define VM_EXIT_LOAD_IA32_EFER                  0x00200000
#define VM_EXIT_SAVE_VMX_PREEMPTION_TIMER       0x00400000
#define VM_EXIT_CLEAR_BNDCFGS                   0x00800000
#define VM_EXIT_PT_CONCEAL_PIP   0x01000000
#define VM_EXIT_CLEAR_IA32_RTIT_CTL  0x02000000

#define VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR 0x00036dff

#define VM_ENTRY_LOAD_DEBUG_CONTROLS            0x00000004
#define VM_ENTRY_IA32E_MODE                     0x00000200
#define VM_ENTRY_SMM                            0x00000400
#define VM_ENTRY_DEACT_DUAL_MONITOR             0x00000800
#define VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL     0x00002000
#define VM_ENTRY_LOAD_IA32_PAT   0x00004000
#define VM_ENTRY_LOAD_IA32_EFER                 0x00008000
#define VM_ENTRY_LOAD_BNDCFGS                   0x00010000
#define VM_ENTRY_PT_CONCEAL_PIP   0x00020000
#define VM_ENTRY_LOAD_IA32_RTIT_CTL  0x00040000

#define VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR 0x000011ff

/* VMFUNC functions */
#define VMFUNC_CONTROL_BIT(x) BIT((VMX_FEATURE_##x & 0x1f) - 28)

#define VMX_VMFUNC_EPTP_SWITCHING               VMFUNC_CONTROL_BIT(EPTP_SWITCHING)
#define VMFUNC_EPTP_ENTRIES  512

#define VMX_BASIC_32BIT_PHYS_ADDR_ONLY  BIT_ULL(48)
#define VMX_BASIC_DUAL_MONITOR_TREATMENT BIT_ULL(49)
#define VMX_BASIC_INOUT    BIT_ULL(54)
#define VMX_BASIC_TRUE_CTLS   BIT_ULL(55)

static inline u32 vmx_basic_vmcs_revision_id(u64 vmx_basic)
{
 return vmx_basic & GENMASK_ULL(30, 0);
}

static inline u32 vmx_basic_vmcs_size(u64 vmx_basic)
{
 return (vmx_basic & GENMASK_ULL(44, 32)) >> 32;
}

static inline u32 vmx_basic_vmcs_mem_type(u64 vmx_basic)
{
 return (vmx_basic & GENMASK_ULL(53, 50)) >> 50;
}

static inline u64 vmx_basic_encode_vmcs_info(u32 revision, u16 size, u8 memtype)
{
 return revision | ((u64)size << 32) | ((u64)memtype << 50);
}

#define VMX_MISC_SAVE_EFER_LMA   BIT_ULL(5)
#define VMX_MISC_ACTIVITY_HLT   BIT_ULL(6)
#define VMX_MISC_ACTIVITY_SHUTDOWN  BIT_ULL(7)
#define VMX_MISC_ACTIVITY_WAIT_SIPI  BIT_ULL(8)
#define VMX_MISC_INTEL_PT   BIT_ULL(14)
#define VMX_MISC_RDMSR_IN_SMM   BIT_ULL(15)
#define VMX_MISC_VMXOFF_BLOCK_SMI  BIT_ULL(28)
#define VMX_MISC_VMWRITE_SHADOW_RO_FIELDS BIT_ULL(29)
#define VMX_MISC_ZERO_LEN_INS   BIT_ULL(30)
#define VMX_MISC_MSR_LIST_MULTIPLIER  512

static inline int vmx_misc_preemption_timer_rate(u64 vmx_misc)
{
 return vmx_misc & GENMASK_ULL(4, 0);
}

static inline int vmx_misc_cr3_count(u64 vmx_misc)
{
 return (vmx_misc & GENMASK_ULL(24, 16)) >> 16;
}

static inline int vmx_misc_max_msr(u64 vmx_misc)
{
 return (vmx_misc & GENMASK_ULL(27, 25)) >> 25;
}

static inline int vmx_misc_mseg_revid(u64 vmx_misc)
{
 return (vmx_misc & GENMASK_ULL(63, 32)) >> 32;
}

/* VMCS Encodings */
enum vmcs_field {
 VIRTUAL_PROCESSOR_ID            = 0x00000000,
 POSTED_INTR_NV                  = 0x00000002,
 LAST_PID_POINTER_INDEX  = 0x00000008,
 GUEST_ES_SELECTOR               = 0x00000800,
 GUEST_CS_SELECTOR               = 0x00000802,
 GUEST_SS_SELECTOR               = 0x00000804,
 GUEST_DS_SELECTOR               = 0x00000806,
 GUEST_FS_SELECTOR               = 0x00000808,
 GUEST_GS_SELECTOR               = 0x0000080a,
 GUEST_LDTR_SELECTOR             = 0x0000080c,
 GUEST_TR_SELECTOR               = 0x0000080e,
 GUEST_INTR_STATUS               = 0x00000810,
 GUEST_PML_INDEX   = 0x00000812,
 HOST_ES_SELECTOR                = 0x00000c00,
 HOST_CS_SELECTOR                = 0x00000c02,
 HOST_SS_SELECTOR                = 0x00000c04,
 HOST_DS_SELECTOR                = 0x00000c06,
 HOST_FS_SELECTOR                = 0x00000c08,
 HOST_GS_SELECTOR                = 0x00000c0a,
 HOST_TR_SELECTOR                = 0x00000c0c,
 IO_BITMAP_A                     = 0x00002000,
 IO_BITMAP_A_HIGH                = 0x00002001,
 IO_BITMAP_B                     = 0x00002002,
 IO_BITMAP_B_HIGH                = 0x00002003,
 MSR_BITMAP                      = 0x00002004,
 MSR_BITMAP_HIGH                 = 0x00002005,
 VM_EXIT_MSR_STORE_ADDR          = 0x00002006,
 VM_EXIT_MSR_STORE_ADDR_HIGH     = 0x00002007,
 VM_EXIT_MSR_LOAD_ADDR           = 0x00002008,
 VM_EXIT_MSR_LOAD_ADDR_HIGH      = 0x00002009,
 VM_ENTRY_MSR_LOAD_ADDR          = 0x0000200a,
 VM_ENTRY_MSR_LOAD_ADDR_HIGH     = 0x0000200b,
 PML_ADDRESS   = 0x0000200e,
 PML_ADDRESS_HIGH  = 0x0000200f,
 TSC_OFFSET                      = 0x00002010,
 TSC_OFFSET_HIGH                 = 0x00002011,
 VIRTUAL_APIC_PAGE_ADDR          = 0x00002012,
 VIRTUAL_APIC_PAGE_ADDR_HIGH     = 0x00002013,
 APIC_ACCESS_ADDR  = 0x00002014,
 APIC_ACCESS_ADDR_HIGH  = 0x00002015,
 POSTED_INTR_DESC_ADDR           = 0x00002016,
 POSTED_INTR_DESC_ADDR_HIGH      = 0x00002017,
 VM_FUNCTION_CONTROL             = 0x00002018,
 VM_FUNCTION_CONTROL_HIGH        = 0x00002019,
 EPT_POINTER                     = 0x0000201a,
 EPT_POINTER_HIGH                = 0x0000201b,
 EOI_EXIT_BITMAP0                = 0x0000201c,
 EOI_EXIT_BITMAP0_HIGH           = 0x0000201d,
 EOI_EXIT_BITMAP1                = 0x0000201e,
 EOI_EXIT_BITMAP1_HIGH           = 0x0000201f,
 EOI_EXIT_BITMAP2                = 0x00002020,
 EOI_EXIT_BITMAP2_HIGH           = 0x00002021,
 EOI_EXIT_BITMAP3                = 0x00002022,
 EOI_EXIT_BITMAP3_HIGH           = 0x00002023,
 EPTP_LIST_ADDRESS               = 0x00002024,
 EPTP_LIST_ADDRESS_HIGH          = 0x00002025,
 VMREAD_BITMAP                   = 0x00002026,
 VMREAD_BITMAP_HIGH              = 0x00002027,
 VMWRITE_BITMAP                  = 0x00002028,
 VMWRITE_BITMAP_HIGH             = 0x00002029,
 VE_INFORMATION_ADDRESS  = 0x0000202A,
 VE_INFORMATION_ADDRESS_HIGH = 0x0000202B,
 XSS_EXIT_BITMAP                 = 0x0000202C,
 XSS_EXIT_BITMAP_HIGH            = 0x0000202D,
 ENCLS_EXITING_BITMAP  = 0x0000202E,
 ENCLS_EXITING_BITMAP_HIGH = 0x0000202F,
 TSC_MULTIPLIER                  = 0x00002032,
 TSC_MULTIPLIER_HIGH             = 0x00002033,
 TERTIARY_VM_EXEC_CONTROL = 0x00002034,
 TERTIARY_VM_EXEC_CONTROL_HIGH = 0x00002035,
 SHARED_EPT_POINTER  = 0x0000203C,
 PID_POINTER_TABLE  = 0x00002042,
 PID_POINTER_TABLE_HIGH  = 0x00002043,
 GUEST_PHYSICAL_ADDRESS          = 0x00002400,
 GUEST_PHYSICAL_ADDRESS_HIGH     = 0x00002401,
 VMCS_LINK_POINTER               = 0x00002800,
 VMCS_LINK_POINTER_HIGH          = 0x00002801,
 GUEST_IA32_DEBUGCTL             = 0x00002802,
 GUEST_IA32_DEBUGCTL_HIGH        = 0x00002803,
 GUEST_IA32_PAT   = 0x00002804,
 GUEST_IA32_PAT_HIGH  = 0x00002805,
 GUEST_IA32_EFER   = 0x00002806,
 GUEST_IA32_EFER_HIGH  = 0x00002807,
 GUEST_IA32_PERF_GLOBAL_CTRL = 0x00002808,
 GUEST_IA32_PERF_GLOBAL_CTRL_HIGH= 0x00002809,
 GUEST_PDPTR0                    = 0x0000280a,
 GUEST_PDPTR0_HIGH               = 0x0000280b,
 GUEST_PDPTR1                    = 0x0000280c,
 GUEST_PDPTR1_HIGH               = 0x0000280d,
 GUEST_PDPTR2                    = 0x0000280e,
 GUEST_PDPTR2_HIGH               = 0x0000280f,
 GUEST_PDPTR3                    = 0x00002810,
 GUEST_PDPTR3_HIGH               = 0x00002811,
 GUEST_BNDCFGS                   = 0x00002812,
 GUEST_BNDCFGS_HIGH              = 0x00002813,
 GUEST_IA32_RTIT_CTL  = 0x00002814,
 GUEST_IA32_RTIT_CTL_HIGH = 0x00002815,
 HOST_IA32_PAT   = 0x00002c00,
 HOST_IA32_PAT_HIGH  = 0x00002c01,
 HOST_IA32_EFER   = 0x00002c02,
 HOST_IA32_EFER_HIGH  = 0x00002c03,
 HOST_IA32_PERF_GLOBAL_CTRL = 0x00002c04,
 HOST_IA32_PERF_GLOBAL_CTRL_HIGH = 0x00002c05,
 PIN_BASED_VM_EXEC_CONTROL       = 0x00004000,
 CPU_BASED_VM_EXEC_CONTROL       = 0x00004002,
 EXCEPTION_BITMAP                = 0x00004004,
 PAGE_FAULT_ERROR_CODE_MASK      = 0x00004006,
 PAGE_FAULT_ERROR_CODE_MATCH     = 0x00004008,
 CR3_TARGET_COUNT                = 0x0000400a,
 VM_EXIT_CONTROLS                = 0x0000400c,
 VM_EXIT_MSR_STORE_COUNT         = 0x0000400e,
 VM_EXIT_MSR_LOAD_COUNT          = 0x00004010,
 VM_ENTRY_CONTROLS               = 0x00004012,
 VM_ENTRY_MSR_LOAD_COUNT         = 0x00004014,
 VM_ENTRY_INTR_INFO_FIELD        = 0x00004016,
 VM_ENTRY_EXCEPTION_ERROR_CODE   = 0x00004018,
 VM_ENTRY_INSTRUCTION_LEN        = 0x0000401a,
 TPR_THRESHOLD                   = 0x0000401c,
 SECONDARY_VM_EXEC_CONTROL       = 0x0000401e,
 PLE_GAP                         = 0x00004020,
 PLE_WINDOW                      = 0x00004022,
 NOTIFY_WINDOW                   = 0x00004024,
 VM_INSTRUCTION_ERROR            = 0x00004400,
 VM_EXIT_REASON                  = 0x00004402,
 VM_EXIT_INTR_INFO               = 0x00004404,
 VM_EXIT_INTR_ERROR_CODE         = 0x00004406,
 IDT_VECTORING_INFO_FIELD        = 0x00004408,
 IDT_VECTORING_ERROR_CODE        = 0x0000440a,
 VM_EXIT_INSTRUCTION_LEN         = 0x0000440c,
 VMX_INSTRUCTION_INFO            = 0x0000440e,
 GUEST_ES_LIMIT                  = 0x00004800,
 GUEST_CS_LIMIT                  = 0x00004802,
 GUEST_SS_LIMIT                  = 0x00004804,
 GUEST_DS_LIMIT                  = 0x00004806,
 GUEST_FS_LIMIT                  = 0x00004808,
 GUEST_GS_LIMIT                  = 0x0000480a,
 GUEST_LDTR_LIMIT                = 0x0000480c,
 GUEST_TR_LIMIT                  = 0x0000480e,
 GUEST_GDTR_LIMIT                = 0x00004810,
 GUEST_IDTR_LIMIT                = 0x00004812,
 GUEST_ES_AR_BYTES               = 0x00004814,
 GUEST_CS_AR_BYTES               = 0x00004816,
 GUEST_SS_AR_BYTES               = 0x00004818,
 GUEST_DS_AR_BYTES               = 0x0000481a,
 GUEST_FS_AR_BYTES               = 0x0000481c,
 GUEST_GS_AR_BYTES               = 0x0000481e,
 GUEST_LDTR_AR_BYTES             = 0x00004820,
 GUEST_TR_AR_BYTES               = 0x00004822,
 GUEST_INTERRUPTIBILITY_INFO     = 0x00004824,
 GUEST_ACTIVITY_STATE            = 0x00004826,
 GUEST_SYSENTER_CS               = 0x0000482A,
 VMX_PREEMPTION_TIMER_VALUE      = 0x0000482E,
 HOST_IA32_SYSENTER_CS           = 0x00004c00,
 CR0_GUEST_HOST_MASK             = 0x00006000,
 CR4_GUEST_HOST_MASK             = 0x00006002,
 CR0_READ_SHADOW                 = 0x00006004,
 CR4_READ_SHADOW                 = 0x00006006,
 CR3_TARGET_VALUE0               = 0x00006008,
 CR3_TARGET_VALUE1               = 0x0000600a,
 CR3_TARGET_VALUE2               = 0x0000600c,
 CR3_TARGET_VALUE3               = 0x0000600e,
 EXIT_QUALIFICATION              = 0x00006400,
 GUEST_LINEAR_ADDRESS            = 0x0000640a,
 GUEST_CR0                       = 0x00006800,
 GUEST_CR3                       = 0x00006802,
 GUEST_CR4                       = 0x00006804,
 GUEST_ES_BASE                   = 0x00006806,
 GUEST_CS_BASE                   = 0x00006808,
 GUEST_SS_BASE                   = 0x0000680a,
 GUEST_DS_BASE                   = 0x0000680c,
 GUEST_FS_BASE                   = 0x0000680e,
 GUEST_GS_BASE                   = 0x00006810,
 GUEST_LDTR_BASE                 = 0x00006812,
 GUEST_TR_BASE                   = 0x00006814,
 GUEST_GDTR_BASE                 = 0x00006816,
 GUEST_IDTR_BASE                 = 0x00006818,
 GUEST_DR7                       = 0x0000681a,
 GUEST_RSP                       = 0x0000681c,
 GUEST_RIP                       = 0x0000681e,
 GUEST_RFLAGS                    = 0x00006820,
 GUEST_PENDING_DBG_EXCEPTIONS    = 0x00006822,
 GUEST_SYSENTER_ESP              = 0x00006824,
 GUEST_SYSENTER_EIP              = 0x00006826,
 HOST_CR0                        = 0x00006c00,
 HOST_CR3                        = 0x00006c02,
 HOST_CR4                        = 0x00006c04,
 HOST_FS_BASE                    = 0x00006c06,
 HOST_GS_BASE                    = 0x00006c08,
 HOST_TR_BASE                    = 0x00006c0a,
 HOST_GDTR_BASE                  = 0x00006c0c,
 HOST_IDTR_BASE                  = 0x00006c0e,
 HOST_IA32_SYSENTER_ESP          = 0x00006c10,
 HOST_IA32_SYSENTER_EIP          = 0x00006c12,
 HOST_RSP                        = 0x00006c14,
 HOST_RIP                        = 0x00006c16,
};

/*
 * Interruption-information format
 */
#define INTR_INFO_VECTOR_MASK           0xff            /* 7:0 */
#define INTR_INFO_INTR_TYPE_MASK        0x700           /* 10:8 */
#define INTR_INFO_DELIVER_CODE_MASK     0x800           /* 11 */
#define INTR_INFO_UNBLOCK_NMI  0x1000  /* 12 */
#define INTR_INFO_VALID_MASK            0x80000000      /* 31 */
#define INTR_INFO_RESVD_BITS_MASK       0x7ffff000

#define VECTORING_INFO_VECTOR_MASK            INTR_INFO_VECTOR_MASK
#define VECTORING_INFO_TYPE_MASK         INTR_INFO_INTR_TYPE_MASK
#define VECTORING_INFO_DELIVER_CODE_MASK     INTR_INFO_DELIVER_CODE_MASK
#define VECTORING_INFO_VALID_MASK        INTR_INFO_VALID_MASK

#define INTR_TYPE_EXT_INTR  (EVENT_TYPE_EXTINT << 8) /* external interrupt */
#define INTR_TYPE_RESERVED  (EVENT_TYPE_RESERVED << 8) /* reserved */
#define INTR_TYPE_NMI_INTR  (EVENT_TYPE_NMI << 8)  /* NMI */
#define INTR_TYPE_HARD_EXCEPTION (EVENT_TYPE_HWEXC << 8)  /* processor exception */
#define INTR_TYPE_SOFT_INTR  (EVENT_TYPE_SWINT << 8)  /* software interrupt */
#define INTR_TYPE_PRIV_SW_EXCEPTION (EVENT_TYPE_PRIV_SWEXC << 8) /* ICE breakpoint */
#define INTR_TYPE_SOFT_EXCEPTION (EVENT_TYPE_SWEXC << 8)  /* software exception */
#define INTR_TYPE_OTHER_EVENT  (EVENT_TYPE_OTHER << 8)  /* other event */

/* GUEST_INTERRUPTIBILITY_INFO flags. */
#define GUEST_INTR_STATE_STI  0x00000001
#define GUEST_INTR_STATE_MOV_SS  0x00000002
#define GUEST_INTR_STATE_SMI  0x00000004
#define GUEST_INTR_STATE_NMI  0x00000008
#define GUEST_INTR_STATE_ENCLAVE_INTR 0x00000010

/* GUEST_ACTIVITY_STATE flags */
#define GUEST_ACTIVITY_ACTIVE  0
#define GUEST_ACTIVITY_HLT  1
#define GUEST_ACTIVITY_SHUTDOWN  2
#define GUEST_ACTIVITY_WAIT_SIPI 3

/*
 * Exit Qualifications for MOV for Control Register Access
 */
#define CONTROL_REG_ACCESS_NUM          0x7     /* 2:0, number of control reg.*/
#define CONTROL_REG_ACCESS_TYPE         0x30    /* 5:4, access type */
#define CONTROL_REG_ACCESS_REG          0xf00   /* 10:8, general purpose reg. */
#define LMSW_SOURCE_DATA_SHIFT 16
#define LMSW_SOURCE_DATA  (0xFFFF << LMSW_SOURCE_DATA_SHIFT) /* 16:31 lmsw source */
#define REG_EAX                         (0 << 8)
#define REG_ECX                         (1 << 8)
#define REG_EDX                         (2 << 8)
#define REG_EBX                         (3 << 8)
#define REG_ESP                         (4 << 8)
#define REG_EBP                         (5 << 8)
#define REG_ESI                         (6 << 8)
#define REG_EDI                         (7 << 8)
#define REG_R8                         (8 << 8)
#define REG_R9                         (9 << 8)
#define REG_R10                        (10 << 8)
#define REG_R11                        (11 << 8)
#define REG_R12                        (12 << 8)
#define REG_R13                        (13 << 8)
#define REG_R14                        (14 << 8)
#define REG_R15                        (15 << 8)

/*
 * Exit Qualifications for MOV for Debug Register Access
 */
#define DEBUG_REG_ACCESS_NUM            0x7     /* 2:0, number of debug reg. */
#define DEBUG_REG_ACCESS_TYPE           0x10    /* 4, direction of access */
#define TYPE_MOV_TO_DR                  (0 << 4)
#define TYPE_MOV_FROM_DR                (1 << 4)
#define DEBUG_REG_ACCESS_REG(eq)        (((eq) >> 8) & 0xf) /* 11:8, general purpose reg. */


/*
 * Exit Qualifications for APIC-Access
 */
#define APIC_ACCESS_OFFSET              0xfff   /* 11:0, offset within the APIC page */
#define APIC_ACCESS_TYPE                0xf000  /* 15:12, access type */
#define TYPE_LINEAR_APIC_INST_READ      (0 << 12)
#define TYPE_LINEAR_APIC_INST_WRITE     (1 << 12)
#define TYPE_LINEAR_APIC_INST_FETCH     (2 << 12)
#define TYPE_LINEAR_APIC_EVENT          (3 << 12)
#define TYPE_PHYSICAL_APIC_EVENT        (10 << 12)
#define TYPE_PHYSICAL_APIC_INST         (15 << 12)

/* segment AR in VMCS -- these are different from what LAR reports */
#define VMX_SEGMENT_AR_L_MASK (1 << 13)

#define VMX_AR_TYPE_ACCESSES_MASK 1
#define VMX_AR_TYPE_READABLE_MASK (1 << 1)
#define VMX_AR_TYPE_WRITEABLE_MASK (1 << 2)
#define VMX_AR_TYPE_CODE_MASK (1 << 3)
#define VMX_AR_TYPE_MASK 0x0f
#define VMX_AR_TYPE_BUSY_64_TSS 11
#define VMX_AR_TYPE_BUSY_32_TSS 11
#define VMX_AR_TYPE_BUSY_16_TSS 3
#define VMX_AR_TYPE_LDT 2

#define VMX_AR_UNUSABLE_MASK (1 << 16)
#define VMX_AR_S_MASK (1 << 4)
#define VMX_AR_P_MASK (1 << 7)
#define VMX_AR_L_MASK (1 << 13)
#define VMX_AR_DB_MASK (1 << 14)
#define VMX_AR_G_MASK (1 << 15)
#define VMX_AR_DPL_SHIFT 5
#define VMX_AR_DPL(ar) (((ar) >> VMX_AR_DPL_SHIFT) & 3)

#define VMX_AR_RESERVD_MASK 0xfffe0f00

#define TSS_PRIVATE_MEMSLOT   (KVM_USER_MEM_SLOTS + 0)
#define APIC_ACCESS_PAGE_PRIVATE_MEMSLOT (KVM_USER_MEM_SLOTS + 1)
#define IDENTITY_PAGETABLE_PRIVATE_MEMSLOT (KVM_USER_MEM_SLOTS + 2)

#define VMX_NR_VPIDS    (1 << 16)
#define VMX_VPID_EXTENT_INDIVIDUAL_ADDR  0
#define VMX_VPID_EXTENT_SINGLE_CONTEXT  1
#define VMX_VPID_EXTENT_ALL_CONTEXT  2
#define VMX_VPID_EXTENT_SINGLE_NON_GLOBAL 3

#define VMX_EPT_EXTENT_CONTEXT   1
#define VMX_EPT_EXTENT_GLOBAL   2
#define VMX_EPT_EXTENT_SHIFT   24

#define VMX_EPT_EXECUTE_ONLY_BIT  (1ull)
#define VMX_EPT_PAGE_WALK_4_BIT   (1ull << 6)
#define VMX_EPT_PAGE_WALK_5_BIT   (1ull << 7)
#define VMX_EPTP_UC_BIT    (1ull << 8)
#define VMX_EPTP_WB_BIT    (1ull << 14)
#define VMX_EPT_2MB_PAGE_BIT   (1ull << 16)
#define VMX_EPT_1GB_PAGE_BIT   (1ull << 17)
#define VMX_EPT_INVEPT_BIT   (1ull << 20)
#define VMX_EPT_AD_BIT        (1ull << 21)
#define VMX_EPT_EXTENT_CONTEXT_BIT  (1ull << 25)
#define VMX_EPT_EXTENT_GLOBAL_BIT  (1ull << 26)

#define VMX_VPID_INVVPID_BIT                    (1ull << 0) /* (32 - 32) */
#define VMX_VPID_EXTENT_INDIVIDUAL_ADDR_BIT     (1ull << 8) /* (40 - 32) */
#define VMX_VPID_EXTENT_SINGLE_CONTEXT_BIT      (1ull << 9) /* (41 - 32) */
#define VMX_VPID_EXTENT_GLOBAL_CONTEXT_BIT      (1ull << 10) /* (42 - 32) */
#define VMX_VPID_EXTENT_SINGLE_NON_GLOBAL_BIT   (1ull << 11) /* (43 - 32) */

#define VMX_EPT_MT_EPTE_SHIFT   3
#define VMX_EPTP_PWL_MASK   0x38ull
#define VMX_EPTP_PWL_4    0x18ull
#define VMX_EPTP_PWL_5    0x20ull
#define VMX_EPTP_AD_ENABLE_BIT   (1ull << 6)
/* The EPTP memtype is encoded in bits 2:0, i.e. doesn't need to be shifted. */
#define VMX_EPTP_MT_MASK   0x7ull
#define VMX_EPTP_MT_WB    X86_MEMTYPE_WB
#define VMX_EPTP_MT_UC    X86_MEMTYPE_UC
#define VMX_EPT_READABLE_MASK   0x1ull
#define VMX_EPT_WRITABLE_MASK   0x2ull
#define VMX_EPT_EXECUTABLE_MASK   0x4ull
#define VMX_EPT_IPAT_BIT       (1ull << 6)
#define VMX_EPT_ACCESS_BIT   (1ull << 8)
#define VMX_EPT_DIRTY_BIT   (1ull << 9)
#define VMX_EPT_SUPPRESS_VE_BIT   (1ull << 63)
#define VMX_EPT_RWX_MASK                        (VMX_EPT_READABLE_MASK |       \
       VMX_EPT_WRITABLE_MASK |       \
       VMX_EPT_EXECUTABLE_MASK)
#define VMX_EPT_MT_MASK    (7ull << VMX_EPT_MT_EPTE_SHIFT)

static inline u8 vmx_eptp_page_walk_level(u64 eptp)
{
 u64 encoded_level = eptp & VMX_EPTP_PWL_MASK;

 if (encoded_level == VMX_EPTP_PWL_5)
  return 5;

 /* @eptp must be pre-validated by the caller. */
 WARN_ON_ONCE(encoded_level != VMX_EPTP_PWL_4);
 return 4;
}

/* The mask to use to trigger an EPT Misconfiguration in order to track MMIO */
#define VMX_EPT_MISCONFIG_WX_VALUE  (VMX_EPT_WRITABLE_MASK |       \
       VMX_EPT_EXECUTABLE_MASK)

#define VMX_EPT_IDENTITY_PAGETABLE_ADDR  0xfffbc000ul

struct vmx_msr_entry {
 u32 index;
 u32 reserved;
 u64 value;
} __aligned(16);

/*
 * Exit Qualifications for entry failure during or after loading guest state
 */
enum vm_entry_failure_code {
 ENTRY_FAIL_DEFAULT  = 0,
 ENTRY_FAIL_PDPTE  = 2,
 ENTRY_FAIL_NMI   = 3,
 ENTRY_FAIL_VMCS_LINK_PTR = 4,
};

/*
 * Exit Qualifications for EPT Violations
 */
#define EPT_VIOLATION_ACC_READ  BIT(0)
#define EPT_VIOLATION_ACC_WRITE  BIT(1)
#define EPT_VIOLATION_ACC_INSTR  BIT(2)
#define EPT_VIOLATION_PROT_READ  BIT(3)
#define EPT_VIOLATION_PROT_WRITE BIT(4)
#define EPT_VIOLATION_PROT_EXEC  BIT(5)
#define EPT_VIOLATION_EXEC_FOR_RING3_LIN BIT(6)
#define EPT_VIOLATION_PROT_MASK  (EPT_VIOLATION_PROT_READ  | \
      EPT_VIOLATION_PROT_WRITE | \
      EPT_VIOLATION_PROT_EXEC)
#define EPT_VIOLATION_GVA_IS_VALID BIT(7)
#define EPT_VIOLATION_GVA_TRANSLATED BIT(8)

#define EPT_VIOLATION_RWX_TO_PROT(__epte) (((__epte) & VMX_EPT_RWX_MASK) << 3)

static_assert(EPT_VIOLATION_RWX_TO_PROT(VMX_EPT_RWX_MASK) ==
       (EPT_VIOLATION_PROT_READ | EPT_VIOLATION_PROT_WRITE | EPT_VIOLATION_PROT_EXEC));

/*
 * Exit Qualifications for NOTIFY VM EXIT
 */
#define NOTIFY_VM_CONTEXT_INVALID     BIT(0)

/*
 * VM-instruction error numbers
 */
enum vm_instruction_error_number {
 VMXERR_VMCALL_IN_VMX_ROOT_OPERATION = 1,
 VMXERR_VMCLEAR_INVALID_ADDRESS = 2,
 VMXERR_VMCLEAR_VMXON_POINTER = 3,
 VMXERR_VMLAUNCH_NONCLEAR_VMCS = 4,
 VMXERR_VMRESUME_NONLAUNCHED_VMCS = 5,
 VMXERR_VMRESUME_AFTER_VMXOFF = 6,
 VMXERR_ENTRY_INVALID_CONTROL_FIELD = 7,
 VMXERR_ENTRY_INVALID_HOST_STATE_FIELD = 8,
 VMXERR_VMPTRLD_INVALID_ADDRESS = 9,
 VMXERR_VMPTRLD_VMXON_POINTER = 10,
 VMXERR_VMPTRLD_INCORRECT_VMCS_REVISION_ID = 11,
 VMXERR_UNSUPPORTED_VMCS_COMPONENT = 12,
 VMXERR_VMWRITE_READ_ONLY_VMCS_COMPONENT = 13,
 VMXERR_VMXON_IN_VMX_ROOT_OPERATION = 15,
 VMXERR_ENTRY_INVALID_EXECUTIVE_VMCS_POINTER = 16,
 VMXERR_ENTRY_NONLAUNCHED_EXECUTIVE_VMCS = 17,
 VMXERR_ENTRY_EXECUTIVE_VMCS_POINTER_NOT_VMXON_POINTER = 18,
 VMXERR_VMCALL_NONCLEAR_VMCS = 19,
 VMXERR_VMCALL_INVALID_VM_EXIT_CONTROL_FIELDS = 20,
 VMXERR_VMCALL_INCORRECT_MSEG_REVISION_ID = 22,
 VMXERR_VMXOFF_UNDER_DUAL_MONITOR_TREATMENT_OF_SMIS_AND_SMM = 23,
 VMXERR_VMCALL_INVALID_SMM_MONITOR_FEATURES = 24,
 VMXERR_ENTRY_INVALID_VM_EXECUTION_CONTROL_FIELDS_IN_EXECUTIVE_VMCS = 25,
 VMXERR_ENTRY_EVENTS_BLOCKED_BY_MOV_SS = 26,
 VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID = 28,
};

/*
 * VM-instruction errors that can be encountered on VM-Enter, used to trace
 * nested VM-Enter failures reported by hardware.  Errors unique to VM-Enter
 * from a SMI Transfer Monitor are not included as things have gone seriously
 * sideways if we get one of those...
 */
#define VMX_VMENTER_INSTRUCTION_ERRORS \
 { VMXERR_VMLAUNCH_NONCLEAR_VMCS,  "VMLAUNCH_NONCLEAR_VMCS" }, \
 { VMXERR_VMRESUME_NONLAUNCHED_VMCS,  "VMRESUME_NONLAUNCHED_VMCS" }, \
 { VMXERR_VMRESUME_AFTER_VMXOFF,   "VMRESUME_AFTER_VMXOFF" }, \
 { VMXERR_ENTRY_INVALID_CONTROL_FIELD,  "VMENTRY_INVALID_CONTROL_FIELD" }, \
 { VMXERR_ENTRY_INVALID_HOST_STATE_FIELD, "VMENTRY_INVALID_HOST_STATE_FIELD" }, \
 { VMXERR_ENTRY_EVENTS_BLOCKED_BY_MOV_SS, "VMENTRY_EVENTS_BLOCKED_BY_MOV_SS" }

enum vmx_l1d_flush_state {
 VMENTER_L1D_FLUSH_AUTO,
 VMENTER_L1D_FLUSH_NEVER,
 VMENTER_L1D_FLUSH_COND,
 VMENTER_L1D_FLUSH_ALWAYS,
 VMENTER_L1D_FLUSH_EPT_DISABLED,
 VMENTER_L1D_FLUSH_NOT_REQUIRED,
};

extern enum vmx_l1d_flush_state l1tf_vmx_mitigation;

struct vmx_ve_information {
 u32 exit_reason;
 u32 delivery;
 u64 exit_qualification;
 u64 guest_linear_address;
 u64 guest_physical_address;
 u16 eptp_index;
};

#endif