diff options
Diffstat (limited to 'arch/x86/kvm/vmx/vmx.h')
| -rw-r--r-- | arch/x86/kvm/vmx/vmx.h | 124 |
1 files changed, 49 insertions, 75 deletions
diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h index 61128b48c503..82d0bc3a4d52 100644 --- a/arch/x86/kvm/vmx/vmx.h +++ b/arch/x86/kvm/vmx/vmx.h @@ -109,14 +109,21 @@ struct nested_vmx { * to guest memory during VM exit. */ struct vmcs12 *cached_shadow_vmcs12; + /* * Indicates if the shadow vmcs or enlightened vmcs must be updated * with the data held by struct vmcs12. */ - bool need_vmcs12_sync; + bool need_vmcs12_to_shadow_sync; bool dirty_vmcs12; /* + * Indicates lazily loaded guest state has not yet been decached from + * vmcs02. + */ + bool need_sync_vmcs02_to_vmcs12_rare; + + /* * vmcs02 has been initialized, i.e. state that is constant for * vmcs02 has been written to the backing VMCS. Initialization * is delayed until L1 actually attempts to run a nested VM. @@ -180,14 +187,24 @@ struct vcpu_vmx { struct kvm_vcpu vcpu; u8 fail; u8 msr_bitmap_mode; + + /* + * If true, host state has been stored in vmx->loaded_vmcs for + * the CPU registers that only need to be switched when transitioning + * to/from the kernel, and the registers have been loaded with guest + * values. If false, host state is loaded in the CPU registers + * and vmx->loaded_vmcs->host_state is invalid. + */ + bool guest_state_loaded; + u32 exit_intr_info; u32 idt_vectoring_info; ulong rflags; + struct shared_msr_entry *guest_msrs; int nmsrs; int save_nmsrs; - bool guest_msrs_dirty; - unsigned long host_idt_base; + bool guest_msrs_ready; #ifdef CONFIG_X86_64 u64 msr_host_kernel_gs_base; u64 msr_guest_kernel_gs_base; @@ -195,21 +212,15 @@ struct vcpu_vmx { u64 spec_ctrl; - u32 vm_entry_controls_shadow; - u32 vm_exit_controls_shadow; u32 secondary_exec_control; /* * loaded_vmcs points to the VMCS currently used in this vcpu. For a * non-nested (L1) guest, it always points to vmcs01. For a nested - * guest (L2), it points to a different VMCS. loaded_cpu_state points - * to the VMCS whose state is loaded into the CPU registers that only - * need to be switched when transitioning to/from the kernel; a NULL - * value indicates that host state is loaded. + * guest (L2), it points to a different VMCS. */ struct loaded_vmcs vmcs01; struct loaded_vmcs *loaded_vmcs; - struct loaded_vmcs *loaded_cpu_state; struct msr_autoload { struct vmx_msrs guest; @@ -260,8 +271,6 @@ struct vcpu_vmx { unsigned long host_debugctlmsr; - u64 msr_ia32_power_ctl; - /* * Only bits masked by msr_ia32_feature_control_valid_bits can be set in * msr_ia32_feature_control. FEATURE_CONTROL_LOCKED is always included @@ -292,12 +301,14 @@ struct kvm_vmx { }; bool nested_vmx_allowed(struct kvm_vcpu *vcpu); +void vmx_vcpu_load_vmcs(struct kvm_vcpu *vcpu, int cpu); void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu); -void vmx_vcpu_put(struct kvm_vcpu *vcpu); int allocate_vpid(void); void free_vpid(int vpid); void vmx_set_constant_host_state(struct vcpu_vmx *vmx); void vmx_prepare_switch_to_guest(struct kvm_vcpu *vcpu); +void vmx_set_host_fs_gs(struct vmcs_host_state *host, u16 fs_sel, u16 gs_sel, + unsigned long fs_base, unsigned long gs_base); int vmx_get_cpl(struct kvm_vcpu *vcpu); unsigned long vmx_get_rflags(struct kvm_vcpu *vcpu); void vmx_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags); @@ -376,69 +387,31 @@ static inline u8 vmx_get_rvi(void) return vmcs_read16(GUEST_INTR_STATUS) & 0xff; } -static inline void vm_entry_controls_reset_shadow(struct vcpu_vmx *vmx) -{ - vmx->vm_entry_controls_shadow = vmcs_read32(VM_ENTRY_CONTROLS); -} - -static inline void vm_entry_controls_init(struct vcpu_vmx *vmx, u32 val) -{ - vmcs_write32(VM_ENTRY_CONTROLS, val); - vmx->vm_entry_controls_shadow = val; -} - -static inline void vm_entry_controls_set(struct vcpu_vmx *vmx, u32 val) -{ - if (vmx->vm_entry_controls_shadow != val) - vm_entry_controls_init(vmx, val); -} - -static inline u32 vm_entry_controls_get(struct vcpu_vmx *vmx) -{ - return vmx->vm_entry_controls_shadow; -} - -static inline void vm_entry_controls_setbit(struct vcpu_vmx *vmx, u32 val) -{ - vm_entry_controls_set(vmx, vm_entry_controls_get(vmx) | val); -} - -static inline void vm_entry_controls_clearbit(struct vcpu_vmx *vmx, u32 val) -{ - vm_entry_controls_set(vmx, vm_entry_controls_get(vmx) & ~val); -} - -static inline void vm_exit_controls_reset_shadow(struct vcpu_vmx *vmx) -{ - vmx->vm_exit_controls_shadow = vmcs_read32(VM_EXIT_CONTROLS); -} - -static inline void vm_exit_controls_init(struct vcpu_vmx *vmx, u32 val) -{ - vmcs_write32(VM_EXIT_CONTROLS, val); - vmx->vm_exit_controls_shadow = val; -} - -static inline void vm_exit_controls_set(struct vcpu_vmx *vmx, u32 val) -{ - if (vmx->vm_exit_controls_shadow != val) - vm_exit_controls_init(vmx, val); -} - -static inline u32 vm_exit_controls_get(struct vcpu_vmx *vmx) -{ - return vmx->vm_exit_controls_shadow; -} - -static inline void vm_exit_controls_setbit(struct vcpu_vmx *vmx, u32 val) -{ - vm_exit_controls_set(vmx, vm_exit_controls_get(vmx) | val); -} - -static inline void vm_exit_controls_clearbit(struct vcpu_vmx *vmx, u32 val) -{ - vm_exit_controls_set(vmx, vm_exit_controls_get(vmx) & ~val); +#define BUILD_CONTROLS_SHADOW(lname, uname) \ +static inline void lname##_controls_set(struct vcpu_vmx *vmx, u32 val) \ +{ \ + if (vmx->loaded_vmcs->controls_shadow.lname != val) { \ + vmcs_write32(uname, val); \ + vmx->loaded_vmcs->controls_shadow.lname = val; \ + } \ +} \ +static inline u32 lname##_controls_get(struct vcpu_vmx *vmx) \ +{ \ + return vmx->loaded_vmcs->controls_shadow.lname; \ +} \ +static inline void lname##_controls_setbit(struct vcpu_vmx *vmx, u32 val) \ +{ \ + lname##_controls_set(vmx, lname##_controls_get(vmx) | val); \ +} \ +static inline void lname##_controls_clearbit(struct vcpu_vmx *vmx, u32 val) \ +{ \ + lname##_controls_set(vmx, lname##_controls_get(vmx) & ~val); \ } +BUILD_CONTROLS_SHADOW(vm_entry, VM_ENTRY_CONTROLS) +BUILD_CONTROLS_SHADOW(vm_exit, VM_EXIT_CONTROLS) +BUILD_CONTROLS_SHADOW(pin, PIN_BASED_VM_EXEC_CONTROL) +BUILD_CONTROLS_SHADOW(exec, CPU_BASED_VM_EXEC_CONTROL) +BUILD_CONTROLS_SHADOW(secondary_exec, SECONDARY_VM_EXEC_CONTROL) static inline void vmx_segment_cache_clear(struct vcpu_vmx *vmx) { @@ -468,6 +441,7 @@ static inline u32 vmx_vmexit_ctrl(void) } u32 vmx_exec_control(struct vcpu_vmx *vmx); +u32 vmx_pin_based_exec_ctrl(struct vcpu_vmx *vmx); static inline struct kvm_vmx *to_kvm_vmx(struct kvm *kvm) { |