arch/x86/kvm/vmx/main.c

// SPDX-License-Identifier: GPL-2.0
#include <linux/moduleparam.h>

#include "x86_ops.h"
#include "vmx.h"
#include "nested.h"
#include "pmu.h"
#include "posted_intr.h"

#define VMX_REQUIRED_APICV_INHIBITS				\
	(BIT(APICV_INHIBIT_REASON_DISABLED) |			\
	 BIT(APICV_INHIBIT_REASON_ABSENT) |			\
	 BIT(APICV_INHIBIT_REASON_HYPERV) |			\
	 BIT(APICV_INHIBIT_REASON_BLOCKIRQ) |			\
	 BIT(APICV_INHIBIT_REASON_PHYSICAL_ID_ALIASED) |	\
	 BIT(APICV_INHIBIT_REASON_APIC_ID_MODIFIED) |		\
	 BIT(APICV_INHIBIT_REASON_APIC_BASE_MODIFIED))

struct kvm_x86_ops vt_x86_ops __initdata = {
	.name = KBUILD_MODNAME,

	.check_processor_compatibility = vmx_check_processor_compat,

	.hardware_unsetup = vmx_hardware_unsetup,

	.enable_virtualization_cpu = vmx_enable_virtualization_cpu,
	.disable_virtualization_cpu = vmx_disable_virtualization_cpu,
	.emergency_disable_virtualization_cpu = vmx_emergency_disable_virtualization_cpu,

	.has_emulated_msr = vmx_has_emulated_msr,

	.vm_size = sizeof(struct kvm_vmx),
	.vm_init = vmx_vm_init,
	.vm_destroy = vmx_vm_destroy,

	.vcpu_precreate = vmx_vcpu_precreate,
	.vcpu_create = vmx_vcpu_create,
	.vcpu_free = vmx_vcpu_free,
	.vcpu_reset = vmx_vcpu_reset,

	.prepare_switch_to_guest = vmx_prepare_switch_to_guest,
	.vcpu_load = vmx_vcpu_load,
	.vcpu_put = vmx_vcpu_put,

	.update_exception_bitmap = vmx_update_exception_bitmap,
	.get_feature_msr = vmx_get_feature_msr,
	.get_msr = vmx_get_msr,
	.set_msr = vmx_set_msr,
	.get_segment_base = vmx_get_segment_base,
	.get_segment = vmx_get_segment,
	.set_segment = vmx_set_segment,
	.get_cpl = vmx_get_cpl,
	.get_cs_db_l_bits = vmx_get_cs_db_l_bits,
	.is_valid_cr0 = vmx_is_valid_cr0,
	.set_cr0 = vmx_set_cr0,
	.is_valid_cr4 = vmx_is_valid_cr4,
	.set_cr4 = vmx_set_cr4,
	.set_efer = vmx_set_efer,
	.get_idt = vmx_get_idt,
	.set_idt = vmx_set_idt,
	.get_gdt = vmx_get_gdt,
	.set_gdt = vmx_set_gdt,
	.set_dr7 = vmx_set_dr7,
	.sync_dirty_debug_regs = vmx_sync_dirty_debug_regs,
	.cache_reg = vmx_cache_reg,
	.get_rflags = vmx_get_rflags,
	.set_rflags = vmx_set_rflags,
	.get_if_flag = vmx_get_if_flag,

	.flush_tlb_all = vmx_flush_tlb_all,
	.flush_tlb_current = vmx_flush_tlb_current,
	.flush_tlb_gva = vmx_flush_tlb_gva,
	.flush_tlb_guest = vmx_flush_tlb_guest,

	.vcpu_pre_run = vmx_vcpu_pre_run,
	.vcpu_run = vmx_vcpu_run,
	.handle_exit = vmx_handle_exit,
	.skip_emulated_instruction = vmx_skip_emulated_instruction,
	.update_emulated_instruction = vmx_update_emulated_instruction,
	.set_interrupt_shadow = vmx_set_interrupt_shadow,
	.get_interrupt_shadow = vmx_get_interrupt_shadow,
	.patch_hypercall = vmx_patch_hypercall,
	.inject_irq = vmx_inject_irq,
	.inject_nmi = vmx_inject_nmi,
	.inject_exception = vmx_inject_exception,
	.cancel_injection = vmx_cancel_injection,
	.interrupt_allowed = vmx_interrupt_allowed,
	.nmi_allowed = vmx_nmi_allowed,
	.get_nmi_mask = vmx_get_nmi_mask,
	.set_nmi_mask = vmx_set_nmi_mask,
	.enable_nmi_window = vmx_enable_nmi_window,
	.enable_irq_window = vmx_enable_irq_window,
	.update_cr8_intercept = vmx_update_cr8_intercept,

	.x2apic_icr_is_split = false,
	.set_virtual_apic_mode = vmx_set_virtual_apic_mode,
	.set_apic_access_page_addr = vmx_set_apic_access_page_addr,
	.refresh_apicv_exec_ctrl = vmx_refresh_apicv_exec_ctrl,
	.load_eoi_exitmap = vmx_load_eoi_exitmap,
	.apicv_pre_state_restore = vmx_apicv_pre_state_restore,
	.required_apicv_inhibits = VMX_REQUIRED_APICV_INHIBITS,
	.hwapic_irr_update = vmx_hwapic_irr_update,
	.hwapic_isr_update = vmx_hwapic_isr_update,
	.sync_pir_to_irr = vmx_sync_pir_to_irr,
	.deliver_interrupt = vmx_deliver_interrupt,
	.dy_apicv_has_pending_interrupt = pi_has_pending_interrupt,

	.set_tss_addr = vmx_set_tss_addr,
	.set_identity_map_addr = vmx_set_identity_map_addr,
	.get_mt_mask = vmx_get_mt_mask,

	.get_exit_info = vmx_get_exit_info,

	.vcpu_after_set_cpuid = vmx_vcpu_after_set_cpuid,

	.has_wbinvd_exit = cpu_has_vmx_wbinvd_exit,

	.get_l2_tsc_offset = vmx_get_l2_tsc_offset,
	.get_l2_tsc_multiplier = vmx_get_l2_tsc_multiplier,
	.write_tsc_offset = vmx_write_tsc_offset,
	.write_tsc_multiplier = vmx_write_tsc_multiplier,

	.load_mmu_pgd = vmx_load_mmu_pgd,

	.check_intercept = vmx_check_intercept,
	.handle_exit_irqoff = vmx_handle_exit_irqoff,

	.cpu_dirty_log_size = PML_ENTITY_NUM,
	.update_cpu_dirty_logging = vmx_update_cpu_dirty_logging,

	.nested_ops = &vmx_nested_ops,

	.pi_update_irte = vmx_pi_update_irte,
	.pi_start_assignment = vmx_pi_start_assignment,

#ifdef CONFIG_X86_64
	.set_hv_timer = vmx_set_hv_timer,
	.cancel_hv_timer = vmx_cancel_hv_timer,
#endif

	.setup_mce = vmx_setup_mce,

#ifdef CONFIG_KVM_SMM
	.smi_allowed = vmx_smi_allowed,
	.enter_smm = vmx_enter_smm,
	.leave_smm = vmx_leave_smm,
	.enable_smi_window = vmx_enable_smi_window,
#endif

	.check_emulate_instruction = vmx_check_emulate_instruction,
	.apic_init_signal_blocked = vmx_apic_init_signal_blocked,
	.migrate_timers = vmx_migrate_timers,

	.msr_filter_changed = vmx_msr_filter_changed,
	.complete_emulated_msr = kvm_complete_insn_gp,

	.vcpu_deliver_sipi_vector = kvm_vcpu_deliver_sipi_vector,

	.get_untagged_addr = vmx_get_untagged_addr,
};

struct kvm_x86_init_ops vt_init_ops __initdata = {
	.hardware_setup = vmx_hardware_setup,
	.handle_intel_pt_intr = NULL,

	.runtime_ops = &vt_x86_ops,
	.pmu_ops = &intel_pmu_ops,
};