diff options
Diffstat (limited to 'arch/x86/kvm/svm/svm.h')
| -rw-r--r-- | arch/x86/kvm/svm/svm.h | 55 |
1 files changed, 44 insertions, 11 deletions
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 2d83845b9032..21c5460e947a 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -29,10 +29,11 @@ #define IOPM_SIZE PAGE_SIZE * 3 #define MSRPM_SIZE PAGE_SIZE * 2 -#define MAX_DIRECT_ACCESS_MSRS 20 +#define MAX_DIRECT_ACCESS_MSRS 21 #define MSRPM_OFFSETS 16 extern u32 msrpm_offsets[MSRPM_OFFSETS] __read_mostly; extern bool npt_enabled; +extern int vgif; extern bool intercept_smi; /* @@ -231,9 +232,14 @@ struct vcpu_svm { unsigned int3_injected; unsigned long int3_rip; - /* cached guest cpuid flags for faster access */ + /* optional nested SVM features that are enabled for this guest */ bool nrips_enabled : 1; bool tsc_scaling_enabled : 1; + bool v_vmload_vmsave_enabled : 1; + bool lbrv_enabled : 1; + bool pause_filter_enabled : 1; + bool pause_threshold_enabled : 1; + bool vgif_enabled : 1; u32 ldr_reg; u32 dfr_reg; @@ -452,44 +458,70 @@ static inline bool svm_is_intercept(struct vcpu_svm *svm, int bit) return vmcb_is_intercept(&svm->vmcb->control, bit); } -static inline bool vgif_enabled(struct vcpu_svm *svm) +static inline bool nested_vgif_enabled(struct vcpu_svm *svm) { - return !!(svm->vmcb->control.int_ctl & V_GIF_ENABLE_MASK); + return svm->vgif_enabled && (svm->nested.ctl.int_ctl & V_GIF_ENABLE_MASK); +} + +static inline struct vmcb *get_vgif_vmcb(struct vcpu_svm *svm) +{ + if (!vgif) + return NULL; + + if (is_guest_mode(&svm->vcpu) && !nested_vgif_enabled(svm)) + return svm->nested.vmcb02.ptr; + else + return svm->vmcb01.ptr; } static inline void enable_gif(struct vcpu_svm *svm) { - if (vgif_enabled(svm)) - svm->vmcb->control.int_ctl |= V_GIF_MASK; + struct vmcb *vmcb = get_vgif_vmcb(svm); + + if (vmcb) + vmcb->control.int_ctl |= V_GIF_MASK; else svm->vcpu.arch.hflags |= HF_GIF_MASK; } static inline void disable_gif(struct vcpu_svm *svm) { - if (vgif_enabled(svm)) - svm->vmcb->control.int_ctl &= ~V_GIF_MASK; + struct vmcb *vmcb = get_vgif_vmcb(svm); + + if (vmcb) + vmcb->control.int_ctl &= ~V_GIF_MASK; else svm->vcpu.arch.hflags &= ~HF_GIF_MASK; } static inline bool gif_set(struct vcpu_svm *svm) { - if (vgif_enabled(svm)) - return !!(svm->vmcb->control.int_ctl & V_GIF_MASK); + struct vmcb *vmcb = get_vgif_vmcb(svm); + + if (vmcb) + return !!(vmcb->control.int_ctl & V_GIF_MASK); else return !!(svm->vcpu.arch.hflags & HF_GIF_MASK); } +static inline bool nested_npt_enabled(struct vcpu_svm *svm) +{ + return svm->nested.ctl.nested_ctl & SVM_NESTED_CTL_NP_ENABLE; +} + /* svm.c */ #define MSR_INVALID 0xffffffffU +#define DEBUGCTL_RESERVED_BITS (~(0x3fULL)) + extern bool dump_invalid_vmcb; u32 svm_msrpm_offset(u32 msr); u32 *svm_vcpu_alloc_msrpm(void); void svm_vcpu_init_msrpm(struct kvm_vcpu *vcpu, u32 *msrpm); void svm_vcpu_free_msrpm(u32 *msrpm); +void svm_copy_lbrs(struct vmcb *to_vmcb, struct vmcb *from_vmcb); +void svm_update_lbrv(struct kvm_vcpu *vcpu); int svm_set_efer(struct kvm_vcpu *vcpu, u64 efer); void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0); @@ -574,7 +606,7 @@ extern struct kvm_x86_nested_ops svm_nested_ops; int avic_ga_log_notifier(u32 ga_tag); void avic_vm_destroy(struct kvm *kvm); int avic_vm_init(struct kvm *kvm); -void avic_init_vmcb(struct vcpu_svm *svm); +void avic_init_vmcb(struct vcpu_svm *svm, struct vmcb *vmcb); int avic_incomplete_ipi_interception(struct kvm_vcpu *vcpu); int avic_unaccelerated_access_interception(struct kvm_vcpu *vcpu); int avic_init_vcpu(struct vcpu_svm *svm); @@ -592,6 +624,7 @@ int avic_pi_update_irte(struct kvm *kvm, unsigned int host_irq, void avic_vcpu_blocking(struct kvm_vcpu *vcpu); void avic_vcpu_unblocking(struct kvm_vcpu *vcpu); void avic_ring_doorbell(struct kvm_vcpu *vcpu); +unsigned long avic_vcpu_get_apicv_inhibit_reasons(struct kvm_vcpu *vcpu); /* sev.c */ |