kvm.h (20928B)
- /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
- #ifndef _ASM_X86_KVM_H
- #define _ASM_X86_KVM_H
- /*
- * KVM x86 specific structures and definitions
- *
- */
- #include <linux/const.h>
- #include <linux/bits.h>
- #include <linux/types.h>
- #include <linux/ioctl.h>
- #include <linux/stddef.h>
- #define KVM_PIO_PAGE_OFFSET 1
- #define KVM_COALESCED_MMIO_PAGE_OFFSET 2
- #define KVM_DIRTY_LOG_PAGE_OFFSET 64
- #define DE_VECTOR 0
- #define DB_VECTOR 1
- #define BP_VECTOR 3
- #define OF_VECTOR 4
- #define BR_VECTOR 5
- #define UD_VECTOR 6
- #define NM_VECTOR 7
- #define DF_VECTOR 8
- #define TS_VECTOR 10
- #define NP_VECTOR 11
- #define SS_VECTOR 12
- #define GP_VECTOR 13
- #define PF_VECTOR 14
- #define MF_VECTOR 16
- #define AC_VECTOR 17
- #define MC_VECTOR 18
- #define XM_VECTOR 19
- #define VE_VECTOR 20
- /* Select x86 specific features in <linux/kvm.h> */
- #define __KVM_HAVE_PIT
- #define __KVM_HAVE_IOAPIC
- #define __KVM_HAVE_IRQ_LINE
- #define __KVM_HAVE_MSI
- #define __KVM_HAVE_USER_NMI
- #define __KVM_HAVE_MSIX
- #define __KVM_HAVE_MCE
- #define __KVM_HAVE_PIT_STATE2
- #define __KVM_HAVE_XEN_HVM
- #define __KVM_HAVE_VCPU_EVENTS
- #define __KVM_HAVE_DEBUGREGS
- #define __KVM_HAVE_XSAVE
- #define __KVM_HAVE_XCRS
- /* Architectural interrupt line count. */
- #define KVM_NR_INTERRUPTS 256
- /* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */
- struct kvm_pic_state {
- __u8 last_irr; /* edge detection */
- __u8 irr; /* interrupt request register */
- __u8 imr; /* interrupt mask register */
- __u8 isr; /* interrupt service register */
- __u8 priority_add; /* highest irq priority */
- __u8 irq_base;
- __u8 read_reg_select;
- __u8 poll;
- __u8 special_mask;
- __u8 init_state;
- __u8 auto_eoi;
- __u8 rotate_on_auto_eoi;
- __u8 special_fully_nested_mode;
- __u8 init4; /* true if 4 byte init */
- __u8 elcr; /* PIIX edge/trigger selection */
- __u8 elcr_mask;
- };
- #define KVM_IOAPIC_NUM_PINS 24
- struct kvm_ioapic_state {
- __u64 base_address;
- __u32 ioregsel;
- __u32 id;
- __u32 irr;
- __u32 pad;
- union {
- __u64 bits;
- struct {
- __u8 vector;
- __u8 delivery_mode:3;
- __u8 dest_mode:1;
- __u8 delivery_status:1;
- __u8 polarity:1;
- __u8 remote_irr:1;
- __u8 trig_mode:1;
- __u8 mask:1;
- __u8 reserve:7;
- __u8 reserved[4];
- __u8 dest_id;
- } fields;
- } redirtbl[KVM_IOAPIC_NUM_PINS];
- };
- #define KVM_IRQCHIP_PIC_MASTER 0
- #define KVM_IRQCHIP_PIC_SLAVE 1
- #define KVM_IRQCHIP_IOAPIC 2
- #define KVM_NR_IRQCHIPS 3
- #define KVM_RUN_X86_SMM (1 << 0)
- #define KVM_RUN_X86_BUS_LOCK (1 << 1)
- #define KVM_RUN_X86_GUEST_MODE (1 << 2)
- /* for KVM_GET_REGS and KVM_SET_REGS */
- struct kvm_regs {
- /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
- __u64 rax, rbx, rcx, rdx;
- __u64 rsi, rdi, rsp, rbp;
- __u64 r8, r9, r10, r11;
- __u64 r12, r13, r14, r15;
- __u64 rip, rflags;
- };
- /* for KVM_GET_LAPIC and KVM_SET_LAPIC */
- #define KVM_APIC_REG_SIZE 0x400
- struct kvm_lapic_state {
- char regs[KVM_APIC_REG_SIZE];
- };
- struct kvm_segment {
- __u64 base;
- __u32 limit;
- __u16 selector;
- __u8 type;
- __u8 present, dpl, db, s, l, g, avl;
- __u8 unusable;
- __u8 padding;
- };
- struct kvm_dtable {
- __u64 base;
- __u16 limit;
- __u16 padding[3];
- };
- /* for KVM_GET_SREGS and KVM_SET_SREGS */
- struct kvm_sregs {
- /* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */
- struct kvm_segment cs, ds, es, fs, gs, ss;
- struct kvm_segment tr, ldt;
- struct kvm_dtable gdt, idt;
- __u64 cr0, cr2, cr3, cr4, cr8;
- __u64 efer;
- __u64 apic_base;
- __u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
- };
- struct kvm_sregs2 {
- /* out (KVM_GET_SREGS2) / in (KVM_SET_SREGS2) */
- struct kvm_segment cs, ds, es, fs, gs, ss;
- struct kvm_segment tr, ldt;
- struct kvm_dtable gdt, idt;
- __u64 cr0, cr2, cr3, cr4, cr8;
- __u64 efer;
- __u64 apic_base;
- __u64 flags;
- __u64 pdptrs[4];
- };
- #define KVM_SREGS2_FLAGS_PDPTRS_VALID 1
- /* for KVM_GET_FPU and KVM_SET_FPU */
- struct kvm_fpu {
- __u8 fpr[8][16];
- __u16 fcw;
- __u16 fsw;
- __u8 ftwx; /* in fxsave format */
- __u8 pad1;
- __u16 last_opcode;
- __u64 last_ip;
- __u64 last_dp;
- __u8 xmm[16][16];
- __u32 mxcsr;
- __u32 pad2;
- };
- struct kvm_msr_entry {
- __u32 index;
- __u32 reserved;
- __u64 data;
- };
- /* for KVM_GET_MSRS and KVM_SET_MSRS */
- struct kvm_msrs {
- __u32 nmsrs; /* number of msrs in entries */
- __u32 pad;
- struct kvm_msr_entry entries[];
- };
- /* for KVM_GET_MSR_INDEX_LIST */
- struct kvm_msr_list {
- __u32 nmsrs; /* number of msrs in entries */
- __u32 indices[];
- };
- /* Maximum size of any access bitmap in bytes */
- #define KVM_MSR_FILTER_MAX_BITMAP_SIZE 0x600
- /* for KVM_X86_SET_MSR_FILTER */
- struct kvm_msr_filter_range {
- #define KVM_MSR_FILTER_READ (1 << 0)
- #define KVM_MSR_FILTER_WRITE (1 << 1)
- #define KVM_MSR_FILTER_RANGE_VALID_MASK (KVM_MSR_FILTER_READ | \
- KVM_MSR_FILTER_WRITE)
- __u32 flags;
- __u32 nmsrs; /* number of msrs in bitmap */
- __u32 base; /* MSR index the bitmap starts at */
- __u8 *bitmap; /* a 1 bit allows the operations in flags, 0 denies */
- };
- #define KVM_MSR_FILTER_MAX_RANGES 16
- struct kvm_msr_filter {
- #define KVM_MSR_FILTER_DEFAULT_ALLOW (0 << 0)
- #define KVM_MSR_FILTER_DEFAULT_DENY (1 << 0)
- #define KVM_MSR_FILTER_VALID_MASK (KVM_MSR_FILTER_DEFAULT_DENY)
- __u32 flags;
- struct kvm_msr_filter_range ranges[KVM_MSR_FILTER_MAX_RANGES];
- };
- struct kvm_cpuid_entry {
- __u32 function;
- __u32 eax;
- __u32 ebx;
- __u32 ecx;
- __u32 edx;
- __u32 padding;
- };
- /* for KVM_SET_CPUID */
- struct kvm_cpuid {
- __u32 nent;
- __u32 padding;
- struct kvm_cpuid_entry entries[];
- };
- struct kvm_cpuid_entry2 {
- __u32 function;
- __u32 index;
- __u32 flags;
- __u32 eax;
- __u32 ebx;
- __u32 ecx;
- __u32 edx;
- __u32 padding[3];
- };
- #define KVM_CPUID_FLAG_SIGNIFCANT_INDEX (1 << 0)
- #define KVM_CPUID_FLAG_STATEFUL_FUNC (1 << 1)
- #define KVM_CPUID_FLAG_STATE_READ_NEXT (1 << 2)
- /* for KVM_SET_CPUID2 */
- struct kvm_cpuid2 {
- __u32 nent;
- __u32 padding;
- struct kvm_cpuid_entry2 entries[];
- };
- /* for KVM_GET_PIT and KVM_SET_PIT */
- struct kvm_pit_channel_state {
- __u32 count; /* can be 65536 */
- __u16 latched_count;
- __u8 count_latched;
- __u8 status_latched;
- __u8 status;
- __u8 read_state;
- __u8 write_state;
- __u8 write_latch;
- __u8 rw_mode;
- __u8 mode;
- __u8 bcd;
- __u8 gate;
- __s64 count_load_time;
- };
- struct kvm_debug_exit_arch {
- __u32 exception;
- __u32 pad;
- __u64 pc;
- __u64 dr6;
- __u64 dr7;
- };
- #define KVM_GUESTDBG_USE_SW_BP 0x00010000
- #define KVM_GUESTDBG_USE_HW_BP 0x00020000
- #define KVM_GUESTDBG_INJECT_DB 0x00040000
- #define KVM_GUESTDBG_INJECT_BP 0x00080000
- #define KVM_GUESTDBG_BLOCKIRQ 0x00100000
- /* for KVM_SET_GUEST_DEBUG */
- struct kvm_guest_debug_arch {
- __u64 debugreg[8];
- };
- struct kvm_pit_state {
- struct kvm_pit_channel_state channels[3];
- };
- #define KVM_PIT_FLAGS_HPET_LEGACY 0x00000001
- #define KVM_PIT_FLAGS_SPEAKER_DATA_ON 0x00000002
- struct kvm_pit_state2 {
- struct kvm_pit_channel_state channels[3];
- __u32 flags;
- __u32 reserved[9];
- };
- struct kvm_reinject_control {
- __u8 pit_reinject;
- __u8 reserved[31];
- };
- /* When set in flags, include corresponding fields on KVM_SET_VCPU_EVENTS */
- #define KVM_VCPUEVENT_VALID_NMI_PENDING 0x00000001
- #define KVM_VCPUEVENT_VALID_SIPI_VECTOR 0x00000002
- #define KVM_VCPUEVENT_VALID_SHADOW 0x00000004
- #define KVM_VCPUEVENT_VALID_SMM 0x00000008
- #define KVM_VCPUEVENT_VALID_PAYLOAD 0x00000010
- #define KVM_VCPUEVENT_VALID_TRIPLE_FAULT 0x00000020
- /* Interrupt shadow states */
- #define KVM_X86_SHADOW_INT_MOV_SS 0x01
- #define KVM_X86_SHADOW_INT_STI 0x02
- /* for KVM_GET/SET_VCPU_EVENTS */
- struct kvm_vcpu_events {
- struct {
- __u8 injected;
- __u8 nr;
- __u8 has_error_code;
- __u8 pending;
- __u32 error_code;
- } exception;
- struct {
- __u8 injected;
- __u8 nr;
- __u8 soft;
- __u8 shadow;
- } interrupt;
- struct {
- __u8 injected;
- __u8 pending;
- __u8 masked;
- __u8 pad;
- } nmi;
- __u32 sipi_vector;
- __u32 flags;
- struct {
- __u8 smm;
- __u8 pending;
- __u8 smm_inside_nmi;
- __u8 latched_init;
- } smi;
- struct {
- __u8 pending;
- } triple_fault;
- __u8 reserved[26];
- __u8 exception_has_payload;
- __u64 exception_payload;
- };
- /* for KVM_GET/SET_DEBUGREGS */
- struct kvm_debugregs {
- __u64 db[4];
- __u64 dr6;
- __u64 dr7;
- __u64 flags;
- __u64 reserved[9];
- };
- /* for KVM_CAP_XSAVE and KVM_CAP_XSAVE2 */
- struct kvm_xsave {
- /*
- * KVM_GET_XSAVE2 and KVM_SET_XSAVE write and read as many bytes
- * as are returned by KVM_CHECK_EXTENSION(KVM_CAP_XSAVE2)
- * respectively, when invoked on the vm file descriptor.
- *
- * The size value returned by KVM_CHECK_EXTENSION(KVM_CAP_XSAVE2)
- * will always be at least 4096. Currently, it is only greater
- * than 4096 if a dynamic feature has been enabled with
- * ``arch_prctl()``, but this may change in the future.
- *
- * The offsets of the state save areas in struct kvm_xsave follow
- * the contents of CPUID leaf 0xD on the host.
- */
- __u32 region[1024];
- __u32 extra[];
- };
- #define KVM_MAX_XCRS 16
- struct kvm_xcr {
- __u32 xcr;
- __u32 reserved;
- __u64 value;
- };
- struct kvm_xcrs {
- __u32 nr_xcrs;
- __u32 flags;
- struct kvm_xcr xcrs[KVM_MAX_XCRS];
- __u64 padding[16];
- };
- #define KVM_SYNC_X86_REGS (1UL << 0)
- #define KVM_SYNC_X86_SREGS (1UL << 1)
- #define KVM_SYNC_X86_EVENTS (1UL << 2)
- #define KVM_SYNC_X86_VALID_FIELDS \
- (KVM_SYNC_X86_REGS| \
- KVM_SYNC_X86_SREGS| \
- KVM_SYNC_X86_EVENTS)
- /* kvm_sync_regs struct included by kvm_run struct */
- struct kvm_sync_regs {
- /* Members of this structure are potentially malicious.
- * Care must be taken by code reading, esp. interpreting,
- * data fields from them inside KVM to prevent TOCTOU and
- * double-fetch types of vulnerabilities.
- */
- struct kvm_regs regs;
- struct kvm_sregs sregs;
- struct kvm_vcpu_events events;
- };
- #define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0)
- #define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1)
- #define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2)
- #define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3)
- #define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4)
- #define KVM_X86_QUIRK_FIX_HYPERCALL_INSN (1 << 5)
- #define KVM_X86_QUIRK_MWAIT_NEVER_UD_FAULTS (1 << 6)
- #define KVM_X86_QUIRK_SLOT_ZAP_ALL (1 << 7)
- #define KVM_STATE_NESTED_FORMAT_VMX 0
- #define KVM_STATE_NESTED_FORMAT_SVM 1
- #define KVM_STATE_NESTED_GUEST_MODE 0x00000001
- #define KVM_STATE_NESTED_RUN_PENDING 0x00000002
- #define KVM_STATE_NESTED_EVMCS 0x00000004
- #define KVM_STATE_NESTED_MTF_PENDING 0x00000008
- #define KVM_STATE_NESTED_GIF_SET 0x00000100
- #define KVM_STATE_NESTED_SMM_GUEST_MODE 0x00000001
- #define KVM_STATE_NESTED_SMM_VMXON 0x00000002
- #define KVM_STATE_NESTED_VMX_VMCS_SIZE 0x1000
- #define KVM_STATE_NESTED_SVM_VMCB_SIZE 0x1000
- #define KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE 0x00000001
- /* vendor-independent attributes for system fd (group 0) */
- #define KVM_X86_GRP_SYSTEM 0
- # define KVM_X86_XCOMP_GUEST_SUPP 0
- /* vendor-specific groups and attributes for system fd */
- #define KVM_X86_GRP_SEV 1
- # define KVM_X86_SEV_VMSA_FEATURES 0
- struct kvm_vmx_nested_state_data {
- __u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
- __u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
- };
- struct kvm_vmx_nested_state_hdr {
- __u64 vmxon_pa;
- __u64 vmcs12_pa;
- struct {
- __u16 flags;
- } smm;
- __u16 pad;
- __u32 flags;
- __u64 preemption_timer_deadline;
- };
- struct kvm_svm_nested_state_data {
- /* Save area only used if KVM_STATE_NESTED_RUN_PENDING. */
- __u8 vmcb12[KVM_STATE_NESTED_SVM_VMCB_SIZE];
- };
- struct kvm_svm_nested_state_hdr {
- __u64 vmcb_pa;
- };
- /* for KVM_CAP_NESTED_STATE */
- struct kvm_nested_state {
- __u16 flags;
- __u16 format;
- __u32 size;
- union {
- struct kvm_vmx_nested_state_hdr vmx;
- struct kvm_svm_nested_state_hdr svm;
- /* Pad the header to 128 bytes. */
- __u8 pad[120];
- } hdr;
- /*
- * Define data region as 0 bytes to preserve backwards-compatability
- * to old definition of kvm_nested_state in order to avoid changing
- * KVM_{GET,PUT}_NESTED_STATE ioctl values.
- */
- union {
- __DECLARE_FLEX_ARRAY(struct kvm_vmx_nested_state_data, vmx);
- __DECLARE_FLEX_ARRAY(struct kvm_svm_nested_state_data, svm);
- } data;
- };
- /* for KVM_CAP_PMU_EVENT_FILTER */
- struct kvm_pmu_event_filter {
- __u32 action;
- __u32 nevents;
- __u32 fixed_counter_bitmap;
- __u32 flags;
- __u32 pad[4];
- __u64 events[];
- };
- #define KVM_PMU_EVENT_ALLOW 0
- #define KVM_PMU_EVENT_DENY 1
- #define KVM_PMU_EVENT_FLAG_MASKED_EVENTS _BITUL(0)
- #define KVM_PMU_EVENT_FLAGS_VALID_MASK (KVM_PMU_EVENT_FLAG_MASKED_EVENTS)
- /* for KVM_CAP_MCE */
- struct kvm_x86_mce {
- __u64 status;
- __u64 addr;
- __u64 misc;
- __u64 mcg_status;
- __u8 bank;
- __u8 pad1[7];
- __u64 pad2[3];
- };
- /* for KVM_CAP_XEN_HVM */
- #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
- #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
- #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
- #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
- #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4)
- #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5)
- #define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6)
- #define KVM_XEN_HVM_CONFIG_PVCLOCK_TSC_UNSTABLE (1 << 7)
- #define KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA (1 << 8)
- struct kvm_xen_hvm_config {
- __u32 flags;
- __u32 msr;
- __u64 blob_addr_32;
- __u64 blob_addr_64;
- __u8 blob_size_32;
- __u8 blob_size_64;
- __u8 pad2[30];
- };
- struct kvm_xen_hvm_attr {
- __u16 type;
- __u16 pad[3];
- union {
- __u8 long_mode;
- __u8 vector;
- __u8 runstate_update_flag;
- union {
- __u64 gfn;
- #define KVM_XEN_INVALID_GFN ((__u64)-1)
- __u64 hva;
- } shared_info;
- struct {
- __u32 send_port;
- __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
- __u32 flags;
- #define KVM_XEN_EVTCHN_DEASSIGN (1 << 0)
- #define KVM_XEN_EVTCHN_UPDATE (1 << 1)
- #define KVM_XEN_EVTCHN_RESET (1 << 2)
- /*
- * Events sent by the guest are either looped back to
- * the guest itself (potentially on a different port#)
- * or signalled via an eventfd.
- */
- union {
- struct {
- __u32 port;
- __u32 vcpu;
- __u32 priority;
- } port;
- struct {
- __u32 port; /* Zero for eventfd */
- __s32 fd;
- } eventfd;
- __u32 padding[4];
- } deliver;
- } evtchn;
- __u32 xen_version;
- __u64 pad[8];
- } u;
- };
- /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
- #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
- #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
- #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
- /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
- #define KVM_XEN_ATTR_TYPE_EVTCHN 0x3
- #define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4
- /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */
- #define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5
- /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */
- #define KVM_XEN_ATTR_TYPE_SHARED_INFO_HVA 0x6
- struct kvm_xen_vcpu_attr {
- __u16 type;
- __u16 pad[3];
- union {
- __u64 gpa;
- #define KVM_XEN_INVALID_GPA ((__u64)-1)
- __u64 hva;
- __u64 pad[8];
- struct {
- __u64 state;
- __u64 state_entry_time;
- __u64 time_running;
- __u64 time_runnable;
- __u64 time_blocked;
- __u64 time_offline;
- } runstate;
- __u32 vcpu_id;
- struct {
- __u32 port;
- __u32 priority;
- __u64 expires_ns;
- } timer;
- __u8 vector;
- } u;
- };
- /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
- #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
- #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
- #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
- #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
- #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
- #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
- /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
- #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6
- #define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7
- #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8
- /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */
- #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO_HVA 0x9
- /* Secure Encrypted Virtualization command */
- enum sev_cmd_id {
- /* Guest initialization commands */
- KVM_SEV_INIT = 0,
- KVM_SEV_ES_INIT,
- /* Guest launch commands */
- KVM_SEV_LAUNCH_START,
- KVM_SEV_LAUNCH_UPDATE_DATA,
- KVM_SEV_LAUNCH_UPDATE_VMSA,
- KVM_SEV_LAUNCH_SECRET,
- KVM_SEV_LAUNCH_MEASURE,
- KVM_SEV_LAUNCH_FINISH,
- /* Guest migration commands (outgoing) */
- KVM_SEV_SEND_START,
- KVM_SEV_SEND_UPDATE_DATA,
- KVM_SEV_SEND_UPDATE_VMSA,
- KVM_SEV_SEND_FINISH,
- /* Guest migration commands (incoming) */
- KVM_SEV_RECEIVE_START,
- KVM_SEV_RECEIVE_UPDATE_DATA,
- KVM_SEV_RECEIVE_UPDATE_VMSA,
- KVM_SEV_RECEIVE_FINISH,
- /* Guest status and debug commands */
- KVM_SEV_GUEST_STATUS,
- KVM_SEV_DBG_DECRYPT,
- KVM_SEV_DBG_ENCRYPT,
- /* Guest certificates commands */
- KVM_SEV_CERT_EXPORT,
- /* Attestation report */
- KVM_SEV_GET_ATTESTATION_REPORT,
- /* Guest Migration Extension */
- KVM_SEV_SEND_CANCEL,
- /* Second time is the charm; improved versions of the above ioctls. */
- KVM_SEV_INIT2,
- /* SNP-specific commands */
- KVM_SEV_SNP_LAUNCH_START = 100,
- KVM_SEV_SNP_LAUNCH_UPDATE,
- KVM_SEV_SNP_LAUNCH_FINISH,
- KVM_SEV_NR_MAX,
- };
- struct kvm_sev_cmd {
- __u32 id;
- __u32 pad0;
- __u64 data;
- __u32 error;
- __u32 sev_fd;
- };
- struct kvm_sev_init {
- __u64 vmsa_features;
- __u32 flags;
- __u16 ghcb_version;
- __u16 pad1;
- __u32 pad2[8];
- };
- struct kvm_sev_launch_start {
- __u32 handle;
- __u32 policy;
- __u64 dh_uaddr;
- __u32 dh_len;
- __u32 pad0;
- __u64 session_uaddr;
- __u32 session_len;
- __u32 pad1;
- };
- struct kvm_sev_launch_update_data {
- __u64 uaddr;
- __u32 len;
- __u32 pad0;
- };
- struct kvm_sev_launch_secret {
- __u64 hdr_uaddr;
- __u32 hdr_len;
- __u32 pad0;
- __u64 guest_uaddr;
- __u32 guest_len;
- __u32 pad1;
- __u64 trans_uaddr;
- __u32 trans_len;
- __u32 pad2;
- };
- struct kvm_sev_launch_measure {
- __u64 uaddr;
- __u32 len;
- __u32 pad0;
- };
- struct kvm_sev_guest_status {
- __u32 handle;
- __u32 policy;
- __u32 state;
- };
- struct kvm_sev_dbg {
- __u64 src_uaddr;
- __u64 dst_uaddr;
- __u32 len;
- __u32 pad0;
- };
- struct kvm_sev_attestation_report {
- __u8 mnonce[16];
- __u64 uaddr;
- __u32 len;
- __u32 pad0;
- };
- struct kvm_sev_send_start {
- __u32 policy;
- __u32 pad0;
- __u64 pdh_cert_uaddr;
- __u32 pdh_cert_len;
- __u32 pad1;
- __u64 plat_certs_uaddr;
- __u32 plat_certs_len;
- __u32 pad2;
- __u64 amd_certs_uaddr;
- __u32 amd_certs_len;
- __u32 pad3;
- __u64 session_uaddr;
- __u32 session_len;
- __u32 pad4;
- };
- struct kvm_sev_send_update_data {
- __u64 hdr_uaddr;
- __u32 hdr_len;
- __u32 pad0;
- __u64 guest_uaddr;
- __u32 guest_len;
- __u32 pad1;
- __u64 trans_uaddr;
- __u32 trans_len;
- __u32 pad2;
- };
- struct kvm_sev_receive_start {
- __u32 handle;
- __u32 policy;
- __u64 pdh_uaddr;
- __u32 pdh_len;
- __u32 pad0;
- __u64 session_uaddr;
- __u32 session_len;
- __u32 pad1;
- };
- struct kvm_sev_receive_update_data {
- __u64 hdr_uaddr;
- __u32 hdr_len;
- __u32 pad0;
- __u64 guest_uaddr;
- __u32 guest_len;
- __u32 pad1;
- __u64 trans_uaddr;
- __u32 trans_len;
- __u32 pad2;
- };
- struct kvm_sev_snp_launch_start {
- __u64 policy;
- __u8 gosvw[16];
- __u16 flags;
- __u8 pad0[6];
- __u64 pad1[4];
- };
- /* Kept in sync with firmware values for simplicity. */
- #define KVM_SEV_SNP_PAGE_TYPE_NORMAL 0x1
- #define KVM_SEV_SNP_PAGE_TYPE_ZERO 0x3
- #define KVM_SEV_SNP_PAGE_TYPE_UNMEASURED 0x4
- #define KVM_SEV_SNP_PAGE_TYPE_SECRETS 0x5
- #define KVM_SEV_SNP_PAGE_TYPE_CPUID 0x6
- struct kvm_sev_snp_launch_update {
- __u64 gfn_start;
- __u64 uaddr;
- __u64 len;
- __u8 type;
- __u8 pad0;
- __u16 flags;
- __u32 pad1;
- __u64 pad2[4];
- };
- #define KVM_SEV_SNP_ID_BLOCK_SIZE 96
- #define KVM_SEV_SNP_ID_AUTH_SIZE 4096
- #define KVM_SEV_SNP_FINISH_DATA_SIZE 32
- struct kvm_sev_snp_launch_finish {
- __u64 id_block_uaddr;
- __u64 id_auth_uaddr;
- __u8 id_block_en;
- __u8 auth_key_en;
- __u8 vcek_disabled;
- __u8 host_data[KVM_SEV_SNP_FINISH_DATA_SIZE];
- __u8 pad0[3];
- __u16 flags;
- __u64 pad1[4];
- };
- #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
- #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
- struct kvm_hyperv_eventfd {
- __u32 conn_id;
- __s32 fd;
- __u32 flags;
- __u32 padding[3];
- };
- #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
- #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
- /*
- * Masked event layout.
- * Bits Description
- * ---- -----------
- * 7:0 event select (low bits)
- * 15:8 umask match
- * 31:16 unused
- * 35:32 event select (high bits)
- * 36:54 unused
- * 55 exclude bit
- * 63:56 umask mask
- */
- #define KVM_PMU_ENCODE_MASKED_ENTRY(event_select, mask, match, exclude) \
- (((event_select) & 0xFFULL) | (((event_select) & 0XF00ULL) << 24) | \
- (((mask) & 0xFFULL) << 56) | \
- (((match) & 0xFFULL) << 8) | \
- ((__u64)(!!(exclude)) << 55))
- #define KVM_PMU_MASKED_ENTRY_EVENT_SELECT \
- (__GENMASK_ULL(7, 0) | __GENMASK_ULL(35, 32))
- #define KVM_PMU_MASKED_ENTRY_UMASK_MASK (__GENMASK_ULL(63, 56))
- #define KVM_PMU_MASKED_ENTRY_UMASK_MATCH (__GENMASK_ULL(15, 8))
- #define KVM_PMU_MASKED_ENTRY_EXCLUDE (_BITULL(55))
- #define KVM_PMU_MASKED_ENTRY_UMASK_MASK_SHIFT (56)
- /* for KVM_{GET,SET,HAS}_DEVICE_ATTR */
- #define KVM_VCPU_TSC_CTRL 0 /* control group for the timestamp counter (TSC) */
- #define KVM_VCPU_TSC_OFFSET 0 /* attribute for the TSC offset */
- /* x86-specific KVM_EXIT_HYPERCALL flags. */
- #define KVM_EXIT_HYPERCALL_LONG_MODE _BITULL(0)
- #define KVM_X86_DEFAULT_VM 0
- #define KVM_X86_SW_PROTECTED_VM 1
- #define KVM_X86_SEV_VM 2
- #define KVM_X86_SEV_ES_VM 3
- #define KVM_X86_SNP_VM 4
- #endif /* _ASM_X86_KVM_H */