diff options
Diffstat (limited to 'target/arm/kvm_arm.h')
| -rw-r--r-- | target/arm/kvm_arm.h | 94 |
1 files changed, 75 insertions, 19 deletions
diff --git a/target/arm/kvm_arm.h b/target/arm/kvm_arm.h index bc178eeb84..eb81b7059e 100644 --- a/target/arm/kvm_arm.h +++ b/target/arm/kvm_arm.h @@ -268,6 +268,24 @@ void kvm_arm_set_cpu_features_from_host(ARMCPU *cpu); void kvm_arm_add_vcpu_properties(Object *obj); /** + * kvm_arm_steal_time_finalize: + * @cpu: ARMCPU for which to finalize kvm-steal-time + * @errp: Pointer to Error* for error propagation + * + * Validate the kvm-steal-time property selection and set its default + * based on KVM support and guest configuration. + */ +void kvm_arm_steal_time_finalize(ARMCPU *cpu, Error **errp); + +/** + * kvm_arm_steal_time_supported: + * + * Returns: true if KVM can enable steal time reporting + * and false otherwise. + */ +bool kvm_arm_steal_time_supported(void); + +/** * kvm_arm_aarch32_supported: * * Returns: true if KVM can enable AArch32 mode @@ -340,22 +358,24 @@ int kvm_arm_vgic_probe(void); void kvm_arm_pmu_set_irq(CPUState *cs, int irq); void kvm_arm_pmu_init(CPUState *cs); -int kvm_arm_set_irq(int cpu, int irqtype, int irq, int level); -#else +/** + * kvm_arm_pvtime_init: + * @cs: CPUState + * @ipa: Per-vcpu guest physical base address of the pvtime structures + * + * Initializes PVTIME for the VCPU, setting the PVTIME IPA to @ipa. + */ +void kvm_arm_pvtime_init(CPUState *cs, uint64_t ipa); -static inline void kvm_arm_set_cpu_features_from_host(ARMCPU *cpu) -{ - /* - * This should never actually be called in the "not KVM" case, - * but set up the fields to indicate an error anyway. - */ - cpu->kvm_target = QEMU_KVM_ARM_TARGET_NONE; - cpu->host_cpu_probe_failed = true; -} +int kvm_arm_set_irq(int cpu, int irqtype, int irq, int level); -static inline void kvm_arm_add_vcpu_properties(Object *obj) {} +#else +/* + * It's safe to call these functions without KVM support. + * They should either do nothing or return "not supported". + */ static inline bool kvm_arm_aarch32_supported(void) { return false; @@ -371,23 +391,59 @@ static inline bool kvm_arm_sve_supported(void) return false; } +static inline bool kvm_arm_steal_time_supported(void) +{ + return false; +} + +/* + * These functions should never actually be called without KVM support. + */ +static inline void kvm_arm_set_cpu_features_from_host(ARMCPU *cpu) +{ + g_assert_not_reached(); +} + +static inline void kvm_arm_add_vcpu_properties(Object *obj) +{ + g_assert_not_reached(); +} + static inline int kvm_arm_get_max_vm_ipa_size(MachineState *ms) { - return -ENOENT; + g_assert_not_reached(); } static inline int kvm_arm_vgic_probe(void) { - return 0; + g_assert_not_reached(); +} + +static inline void kvm_arm_pmu_set_irq(CPUState *cs, int irq) +{ + g_assert_not_reached(); +} + +static inline void kvm_arm_pmu_init(CPUState *cs) +{ + g_assert_not_reached(); +} + +static inline void kvm_arm_pvtime_init(CPUState *cs, uint64_t ipa) +{ + g_assert_not_reached(); } -static inline void kvm_arm_pmu_set_irq(CPUState *cs, int irq) {} -static inline void kvm_arm_pmu_init(CPUState *cs) {} +static inline void kvm_arm_steal_time_finalize(ARMCPU *cpu, Error **errp) +{ + g_assert_not_reached(); +} -static inline void kvm_arm_sve_get_vls(CPUState *cs, unsigned long *map) {} +static inline void kvm_arm_sve_get_vls(CPUState *cs, unsigned long *map) +{ + g_assert_not_reached(); +} -static inline void kvm_arm_get_virtual_time(CPUState *cs) {} -static inline void kvm_arm_put_virtual_time(CPUState *cs) {} #endif static inline const char *gic_class_name(void) |