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Edit File: kvm.h
/* 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) /* 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[0]; }; /* for KVM_GET_MSR_INDEX_LIST */ struct kvm_msr_list { __u32 nmsrs; /* number of msrs in entries */ __u32 indices[0]; }; /* 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[0]; }; 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[0]; }; /* 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[0]; }; #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_X86_QUIRK_IGNORE_GUEST_PAT (1 << 9) #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[0]; }; #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 #define KVM_X86_TDX_VM 5 /* Trust Domain eXtension sub-ioctl() commands. */ enum kvm_tdx_cmd_id { KVM_TDX_CAPABILITIES = 0, KVM_TDX_INIT_VM, KVM_TDX_INIT_VCPU, KVM_TDX_INIT_MEM_REGION, KVM_TDX_FINALIZE_VM, KVM_TDX_GET_CPUID, KVM_TDX_CMD_NR_MAX, }; struct kvm_tdx_cmd { /* enum kvm_tdx_cmd_id */ __u32 id; /* flags for sub-commend. If sub-command doesn't use this, set zero. */ __u32 flags; /* * data for each sub-command. An immediate or a pointer to the actual * data in process virtual address. If sub-command doesn't use it, * set zero. */ __u64 data; /* * Auxiliary error code. The sub-command may return TDX SEAMCALL * status code in addition to -Exxx. */ __u64 hw_error; }; struct kvm_tdx_capabilities { __u64 supported_attrs; __u64 supported_xfam; __u64 kernel_tdvmcallinfo_1_r11; __u64 user_tdvmcallinfo_1_r11; __u64 kernel_tdvmcallinfo_1_r12; __u64 user_tdvmcallinfo_1_r12; __u64 reserved[250]; /* Configurable CPUID bits for userspace */ struct kvm_cpuid2 cpuid; }; struct kvm_tdx_init_vm { __u64 attributes; __u64 xfam; __u64 mrconfigid[6]; /* sha384 digest */ __u64 mrowner[6]; /* sha384 digest */ __u64 mrownerconfig[6]; /* sha384 digest */ /* The total space for TD_PARAMS before the CPUIDs is 256 bytes */ __u64 reserved[12]; /* * Call KVM_TDX_INIT_VM before vcpu creation, thus before * KVM_SET_CPUID2. * This configuration supersedes KVM_SET_CPUID2s for VCPUs because the * TDX module directly virtualizes those CPUIDs without VMM. The user * space VMM, e.g. qemu, should make KVM_SET_CPUID2 consistent with * those values. If it doesn't, KVM may have wrong idea of vCPUIDs of * the guest, and KVM may wrongly emulate CPUIDs or MSRs that the TDX * module doesn't virtualize. */ struct kvm_cpuid2 cpuid; }; #define KVM_TDX_MEASURE_MEMORY_REGION _BITULL(0) struct kvm_tdx_init_mem_region { __u64 source_addr; __u64 gpa; __u64 nr_pages; }; #endif /* _ASM_X86_KVM_H */