diff options
Diffstat (limited to 'include/kvm')
| -rw-r--r-- | include/kvm/arm_arch_timer.h | 59 | ||||
| -rw-r--r-- | include/kvm/arm_pmu.h | 92 | ||||
| -rw-r--r-- | include/kvm/arm_psci.h | 6 | ||||
| -rw-r--r-- | include/kvm/arm_vgic.h | 80 |
4 files changed, 165 insertions, 72 deletions
diff --git a/include/kvm/arm_arch_timer.h b/include/kvm/arm_arch_timer.h index bb3cb005873e..7310841f4512 100644 --- a/include/kvm/arm_arch_timer.h +++ b/include/kvm/arm_arch_timer.h @@ -51,8 +51,6 @@ struct arch_timer_vm_data { }; struct arch_timer_context { - struct kvm_vcpu *vcpu; - /* Emulated Timer (may be unused) */ struct hrtimer hrtimer; u64 ns_frac; @@ -71,6 +69,9 @@ struct arch_timer_context { bool level; } irq; + /* Who am I? */ + enum kvm_arch_timers timer_id; + /* Duplicated state from arch_timer.c for convenience */ u32 host_timer_irq; }; @@ -82,6 +83,8 @@ struct timer_map { struct arch_timer_context *emul_ptimer; }; +void get_timer_map(struct kvm_vcpu *vcpu, struct timer_map *map); + struct arch_timer_cpu { struct arch_timer_context timers[NR_KVM_TIMERS]; @@ -94,8 +97,9 @@ struct arch_timer_cpu { int __init kvm_timer_hyp_init(bool has_gic); int kvm_timer_enable(struct kvm_vcpu *vcpu); -int kvm_timer_vcpu_reset(struct kvm_vcpu *vcpu); +void kvm_timer_vcpu_reset(struct kvm_vcpu *vcpu); void kvm_timer_vcpu_init(struct kvm_vcpu *vcpu); +void kvm_timer_sync_nested(struct kvm_vcpu *vcpu); void kvm_timer_sync_user(struct kvm_vcpu *vcpu); bool kvm_timer_should_notify_user(struct kvm_vcpu *vcpu); void kvm_timer_update_run(struct kvm_vcpu *vcpu); @@ -103,9 +107,6 @@ void kvm_timer_vcpu_terminate(struct kvm_vcpu *vcpu); void kvm_timer_init_vm(struct kvm *kvm); -u64 kvm_arm_timer_get_reg(struct kvm_vcpu *, u64 regid); -int kvm_arm_timer_set_reg(struct kvm_vcpu *, u64 regid, u64 value); - int kvm_arm_timer_set_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr); int kvm_arm_timer_get_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr); int kvm_arm_timer_has_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr); @@ -124,9 +125,9 @@ void kvm_timer_init_vhe(void); #define vcpu_hvtimer(v) (&(v)->arch.timer_cpu.timers[TIMER_HVTIMER]) #define vcpu_hptimer(v) (&(v)->arch.timer_cpu.timers[TIMER_HPTIMER]) -#define arch_timer_ctx_index(ctx) ((ctx) - vcpu_timer((ctx)->vcpu)->timers) - -#define timer_vm_data(ctx) (&(ctx)->vcpu->kvm->arch.timer_data) +#define arch_timer_ctx_index(ctx) ((ctx)->timer_id) +#define timer_context_to_vcpu(ctx) container_of((ctx), struct kvm_vcpu, arch.timer_cpu.timers[(ctx)->timer_id]) +#define timer_vm_data(ctx) (&(timer_context_to_vcpu(ctx)->kvm->arch.timer_data)) #define timer_irq(ctx) (timer_vm_data(ctx)->ppi[arch_timer_ctx_index(ctx)]) u64 kvm_arm_timer_read_sysreg(struct kvm_vcpu *vcpu, @@ -145,4 +146,44 @@ u64 timer_get_cval(struct arch_timer_context *ctxt); void kvm_timer_cpu_up(void); void kvm_timer_cpu_down(void); +/* CNTKCTL_EL1 valid bits as of DDI0487J.a */ +#define CNTKCTL_VALID_BITS (BIT(17) | GENMASK_ULL(9, 0)) + +DECLARE_STATIC_KEY_FALSE(broken_cntvoff_key); + +static inline bool has_broken_cntvoff(void) +{ + return static_branch_unlikely(&broken_cntvoff_key); +} + +static inline bool has_cntpoff(void) +{ + return (has_vhe() && cpus_have_final_cap(ARM64_HAS_ECV_CNTPOFF)); +} + +static inline u64 timer_get_offset(struct arch_timer_context *ctxt) +{ + u64 offset = 0; + + if (!ctxt) + return 0; + + if (ctxt->offset.vm_offset) + offset += *ctxt->offset.vm_offset; + if (ctxt->offset.vcpu_offset) + offset += *ctxt->offset.vcpu_offset; + + return offset; +} + +static inline void timer_set_offset(struct arch_timer_context *ctxt, u64 offset) +{ + if (!ctxt->offset.vm_offset) { + WARN(offset, "timer %d\n", arch_timer_ctx_index(ctxt)); + return; + } + + WRITE_ONCE(*ctxt->offset.vm_offset, offset); +} + #endif diff --git a/include/kvm/arm_pmu.h b/include/kvm/arm_pmu.h index 847da6fc2713..96754b51b411 100644 --- a/include/kvm/arm_pmu.h +++ b/include/kvm/arm_pmu.h @@ -10,24 +10,23 @@ #include <linux/perf_event.h> #include <linux/perf/arm_pmuv3.h> -#define ARMV8_PMU_CYCLE_IDX (ARMV8_PMU_MAX_COUNTERS - 1) - -#ifdef CONFIG_HW_PERF_EVENTS +#define KVM_ARMV8_PMU_MAX_COUNTERS 32 +#if IS_ENABLED(CONFIG_HW_PERF_EVENTS) && IS_ENABLED(CONFIG_KVM) struct kvm_pmc { u8 idx; /* index into the pmu->pmc array */ struct perf_event *perf_event; }; struct kvm_pmu_events { - u32 events_host; - u32 events_guest; + u64 events_host; + u64 events_guest; }; struct kvm_pmu { struct irq_work overflow_work; struct kvm_pmu_events events; - struct kvm_pmc pmc[ARMV8_PMU_MAX_COUNTERS]; + struct kvm_pmc pmc[KVM_ARMV8_PMU_MAX_COUNTERS]; int irq_num; bool created; bool irq_level; @@ -38,23 +37,17 @@ struct arm_pmu_entry { struct arm_pmu *arm_pmu; }; -DECLARE_STATIC_KEY_FALSE(kvm_arm_pmu_available); - -static __always_inline bool kvm_arm_support_pmu_v3(void) -{ - return static_branch_likely(&kvm_arm_pmu_available); -} - +bool kvm_supports_guest_pmuv3(void); #define kvm_arm_pmu_irq_initialized(v) ((v)->arch.pmu.irq_num >= VGIC_NR_SGIS) u64 kvm_pmu_get_counter_value(struct kvm_vcpu *vcpu, u64 select_idx); void kvm_pmu_set_counter_value(struct kvm_vcpu *vcpu, u64 select_idx, u64 val); -u64 kvm_pmu_valid_counter_mask(struct kvm_vcpu *vcpu); +void kvm_pmu_set_counter_value_user(struct kvm_vcpu *vcpu, u64 select_idx, u64 val); +u64 kvm_pmu_implemented_counter_mask(struct kvm_vcpu *vcpu); +u64 kvm_pmu_accessible_counter_mask(struct kvm_vcpu *vcpu); u64 kvm_pmu_get_pmceid(struct kvm_vcpu *vcpu, bool pmceid1); void kvm_pmu_vcpu_init(struct kvm_vcpu *vcpu); -void kvm_pmu_vcpu_reset(struct kvm_vcpu *vcpu); void kvm_pmu_vcpu_destroy(struct kvm_vcpu *vcpu); -void kvm_pmu_disable_counter_mask(struct kvm_vcpu *vcpu, u64 val); -void kvm_pmu_enable_counter_mask(struct kvm_vcpu *vcpu, u64 val); +void kvm_pmu_reprogram_counter_mask(struct kvm_vcpu *vcpu, u64 val); void kvm_pmu_flush_hwstate(struct kvm_vcpu *vcpu); void kvm_pmu_sync_hwstate(struct kvm_vcpu *vcpu); bool kvm_pmu_should_notify_user(struct kvm_vcpu *vcpu); @@ -63,6 +56,7 @@ void kvm_pmu_software_increment(struct kvm_vcpu *vcpu, u64 val); void kvm_pmu_handle_pmcr(struct kvm_vcpu *vcpu, u64 val); void kvm_pmu_set_counter_event_type(struct kvm_vcpu *vcpu, u64 data, u64 select_idx); +void kvm_vcpu_reload_pmu(struct kvm_vcpu *vcpu); int kvm_arm_pmu_v3_set_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr); int kvm_arm_pmu_v3_get_attr(struct kvm_vcpu *vcpu, @@ -74,9 +68,10 @@ int kvm_arm_pmu_v3_enable(struct kvm_vcpu *vcpu); struct kvm_pmu_events *kvm_get_pmu_events(void); void kvm_vcpu_pmu_restore_guest(struct kvm_vcpu *vcpu); void kvm_vcpu_pmu_restore_host(struct kvm_vcpu *vcpu); +void kvm_vcpu_pmu_resync_el0(void); #define kvm_vcpu_has_pmu(vcpu) \ - (test_bit(KVM_ARM_VCPU_PMU_V3, (vcpu)->arch.features)) + (vcpu_has_feature(vcpu, KVM_ARM_VCPU_PMU_V3)) /* * Updates the vcpu's view of the pmu events for this cpu. @@ -85,27 +80,23 @@ void kvm_vcpu_pmu_restore_host(struct kvm_vcpu *vcpu); */ #define kvm_pmu_update_vcpu_events(vcpu) \ do { \ - if (!has_vhe() && kvm_vcpu_has_pmu(vcpu)) \ + if (!has_vhe() && system_supports_pmuv3()) \ vcpu->arch.pmu.events = *kvm_get_pmu_events(); \ } while (0) -/* - * Evaluates as true when emulating PMUv3p5, and false otherwise. - */ -#define kvm_pmu_is_3p5(vcpu) ({ \ - u64 val = IDREG(vcpu->kvm, SYS_ID_AA64DFR0_EL1); \ - u8 pmuver = SYS_FIELD_GET(ID_AA64DFR0_EL1, PMUVer, val); \ - \ - pmuver >= ID_AA64DFR0_EL1_PMUVer_V3P5; \ -}) - u8 kvm_arm_pmu_get_pmuver_limit(void); +u64 kvm_pmu_evtyper_mask(struct kvm *kvm); +int kvm_arm_set_default_pmu(struct kvm *kvm); +u8 kvm_arm_pmu_get_max_counters(struct kvm *kvm); +u64 kvm_vcpu_read_pmcr(struct kvm_vcpu *vcpu); +bool kvm_pmu_counter_is_hyp(struct kvm_vcpu *vcpu, unsigned int idx); +void kvm_pmu_nested_transition(struct kvm_vcpu *vcpu); #else struct kvm_pmu { }; -static inline bool kvm_arm_support_pmu_v3(void) +static inline bool kvm_supports_guest_pmuv3(void) { return false; } @@ -118,15 +109,19 @@ static inline u64 kvm_pmu_get_counter_value(struct kvm_vcpu *vcpu, } static inline void kvm_pmu_set_counter_value(struct kvm_vcpu *vcpu, u64 select_idx, u64 val) {} -static inline u64 kvm_pmu_valid_counter_mask(struct kvm_vcpu *vcpu) +static inline void kvm_pmu_set_counter_value_user(struct kvm_vcpu *vcpu, + u64 select_idx, u64 val) {} +static inline u64 kvm_pmu_implemented_counter_mask(struct kvm_vcpu *vcpu) +{ + return 0; +} +static inline u64 kvm_pmu_accessible_counter_mask(struct kvm_vcpu *vcpu) { return 0; } static inline void kvm_pmu_vcpu_init(struct kvm_vcpu *vcpu) {} -static inline void kvm_pmu_vcpu_reset(struct kvm_vcpu *vcpu) {} static inline void kvm_pmu_vcpu_destroy(struct kvm_vcpu *vcpu) {} -static inline void kvm_pmu_disable_counter_mask(struct kvm_vcpu *vcpu, u64 val) {} -static inline void kvm_pmu_enable_counter_mask(struct kvm_vcpu *vcpu, u64 val) {} +static inline void kvm_pmu_reprogram_counter_mask(struct kvm_vcpu *vcpu, u64 val) {} static inline void kvm_pmu_flush_hwstate(struct kvm_vcpu *vcpu) {} static inline void kvm_pmu_sync_hwstate(struct kvm_vcpu *vcpu) {} static inline bool kvm_pmu_should_notify_user(struct kvm_vcpu *vcpu) @@ -163,14 +158,41 @@ static inline u64 kvm_pmu_get_pmceid(struct kvm_vcpu *vcpu, bool pmceid1) } #define kvm_vcpu_has_pmu(vcpu) ({ false; }) -#define kvm_pmu_is_3p5(vcpu) ({ false; }) static inline void kvm_pmu_update_vcpu_events(struct kvm_vcpu *vcpu) {} static inline void kvm_vcpu_pmu_restore_guest(struct kvm_vcpu *vcpu) {} static inline void kvm_vcpu_pmu_restore_host(struct kvm_vcpu *vcpu) {} +static inline void kvm_vcpu_reload_pmu(struct kvm_vcpu *vcpu) {} static inline u8 kvm_arm_pmu_get_pmuver_limit(void) { return 0; } +static inline u64 kvm_pmu_evtyper_mask(struct kvm *kvm) +{ + return 0; +} +static inline void kvm_vcpu_pmu_resync_el0(void) {} + +static inline int kvm_arm_set_default_pmu(struct kvm *kvm) +{ + return -ENODEV; +} + +static inline u8 kvm_arm_pmu_get_max_counters(struct kvm *kvm) +{ + return 0; +} + +static inline u64 kvm_vcpu_read_pmcr(struct kvm_vcpu *vcpu) +{ + return 0; +} + +static inline bool kvm_pmu_counter_is_hyp(struct kvm_vcpu *vcpu, unsigned int idx) +{ + return false; +} + +static inline void kvm_pmu_nested_transition(struct kvm_vcpu *vcpu) {} #endif diff --git a/include/kvm/arm_psci.h b/include/kvm/arm_psci.h index 6e55b9283789..cbaec804eb83 100644 --- a/include/kvm/arm_psci.h +++ b/include/kvm/arm_psci.h @@ -14,8 +14,10 @@ #define KVM_ARM_PSCI_0_2 PSCI_VERSION(0, 2) #define KVM_ARM_PSCI_1_0 PSCI_VERSION(1, 0) #define KVM_ARM_PSCI_1_1 PSCI_VERSION(1, 1) +#define KVM_ARM_PSCI_1_2 PSCI_VERSION(1, 2) +#define KVM_ARM_PSCI_1_3 PSCI_VERSION(1, 3) -#define KVM_ARM_PSCI_LATEST KVM_ARM_PSCI_1_1 +#define KVM_ARM_PSCI_LATEST KVM_ARM_PSCI_1_3 static inline int kvm_psci_version(struct kvm_vcpu *vcpu) { @@ -26,7 +28,7 @@ static inline int kvm_psci_version(struct kvm_vcpu *vcpu) * revisions. It is thus safe to return the latest, unless * userspace has instructed us otherwise. */ - if (test_bit(KVM_ARM_VCPU_PSCI_0_2, vcpu->arch.features)) { + if (vcpu_has_feature(vcpu, KVM_ARM_VCPU_PSCI_0_2)) { if (vcpu->kvm->arch.psci_version) return vcpu->kvm->arch.psci_version; diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index 5b27f94d4fad..b261fb3968d0 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -8,11 +8,12 @@ #include <linux/bits.h> #include <linux/kvm.h> #include <linux/irqreturn.h> -#include <linux/kref.h> #include <linux/mutex.h> +#include <linux/refcount.h> #include <linux/spinlock.h> #include <linux/static_key.h> #include <linux/types.h> +#include <linux/xarray.h> #include <kvm/iodev.h> #include <linux/list.h> #include <linux/jump_label.h> @@ -25,7 +26,6 @@ #define VGIC_NR_SGIS 16 #define VGIC_NR_PPIS 16 #define VGIC_NR_PRIVATE_IRQS (VGIC_NR_SGIS + VGIC_NR_PPIS) -#define VGIC_MAX_PRIVATE (VGIC_NR_PRIVATE_IRQS - 1) #define VGIC_MAX_SPI 1019 #define VGIC_MAX_RESERVED 1023 #define VGIC_MIN_LPI 8192 @@ -38,6 +38,7 @@ enum vgic_type { VGIC_V2, /* Good ol' GICv2 */ VGIC_V3, /* New fancy GICv3 */ + VGIC_V5, /* Newer, fancier GICv5 */ }; /* same for all guests, as depending only on the _host's_ GIC model */ @@ -58,6 +59,9 @@ struct vgic_global { /* virtual control interface mapping, HYP VA */ void __iomem *vctrl_hyp; + /* Physical CPU interface, kernel VA */ + void __iomem *gicc_base; + /* Number of implemented list registers */ int nr_lr; @@ -77,9 +81,12 @@ struct vgic_global { /* Pseudo GICv3 from outer space */ bool no_hw_deactivation; - /* GIC system register CPU interface */ + /* GICv3 system register CPU interface */ struct static_key_false gicv3_cpuif; + /* GICv3 compat mode on a GICv5 host */ + bool has_gcie_v3_compat; + u32 ich_vtr_el2; }; @@ -116,7 +123,8 @@ struct irq_ops { struct vgic_irq { raw_spinlock_t irq_lock; /* Protects the content of the struct */ - struct list_head lpi_list; /* Used to link all LPIs together */ + u32 intid; /* Guest visible INTID */ + struct rcu_head rcu; struct list_head ap_list; struct kvm_vcpu *vcpu; /* SGIs and PPIs: The VCPU @@ -130,15 +138,19 @@ struct vgic_irq { * affinity reg (v3). */ - u32 intid; /* Guest visible INTID */ - bool line_level; /* Level only */ - bool pending_latch; /* The pending latch state used to calculate + bool pending_release:1; /* Used for LPIs only, unreferenced IRQ + * pending a release */ + + bool pending_latch:1; /* The pending latch state used to calculate * the pending state for both level * and edge triggered IRQs. */ - bool active; /* not used for LPIs */ - bool enabled; - bool hw; /* Tied to HW IRQ */ - struct kref refcount; /* Used for LPIs */ + enum vgic_irq_config config:1; /* Level or edge */ + bool line_level:1; /* Level only */ + bool enabled:1; + bool active:1; + bool hw:1; /* Tied to HW IRQ */ + bool on_lr:1; /* Present in a CPU LR */ + refcount_t refcount; /* Used for LPIs */ u32 hwintid; /* HW INTID number */ unsigned int host_irq; /* linux irq corresponding to hwintid */ union { @@ -149,7 +161,6 @@ struct vgic_irq { u8 active_source; /* GICv2 SGIs only */ u8 priority; u8 group; /* 0 == group 0, 1 == group 1 */ - enum vgic_irq_config config; /* Level or edge */ struct irq_ops *ops; @@ -209,6 +220,12 @@ struct vgic_its { struct mutex its_lock; struct list_head device_list; struct list_head collection_list; + + /* + * Caches the (device_id, event_id) -> vgic_irq translation for + * LPIs that are mapped and enabled. + */ + struct xarray translation_cache; }; struct vgic_state_iter; @@ -243,6 +260,12 @@ struct vgic_dist { int nr_spis; + /* The GIC maintenance IRQ for nested hypervisors. */ + u32 mi_intid; + + /* Track the number of in-flight active SPIs */ + atomic_t active_spis; + /* base addresses in guest physical address space: */ gpa_t vgic_dist_base; /* distributor */ union { @@ -255,12 +278,16 @@ struct vgic_dist { /* distributor enabled */ bool enabled; + /* Supports SGIs without active state */ + bool nassgicap; + /* Wants SGIs without active state */ bool nassgireq; struct vgic_irq *spis; struct vgic_io_device dist_iodev; + struct vgic_io_device cpuif_iodev; bool has_its; bool table_write_in_progress; @@ -273,13 +300,8 @@ struct vgic_dist { */ u64 propbaser; - /* Protects the lpi_list and the count value below. */ - raw_spinlock_t lpi_list_lock; - struct list_head lpi_list_head; - int lpi_list_count; - - /* LPI translation cache */ - struct list_head lpi_translation_cache; +#define LPI_XA_MARK_DEBUG_ITER XA_MARK_0 + struct xarray lpi_xa; /* used by vgic-debug */ struct vgic_state_iter *iter; @@ -329,7 +351,7 @@ struct vgic_cpu { struct vgic_v3_cpu_if vgic_v3; }; - struct vgic_irq private_irqs[VGIC_NR_PRIVATE_IRQS]; + struct vgic_irq *private_irqs; raw_spinlock_t ap_list_lock; /* Protects the ap_list */ @@ -364,10 +386,12 @@ struct vgic_cpu { extern struct static_key_false vgic_v2_cpuif_trap; extern struct static_key_false vgic_v3_cpuif_trap; +extern struct static_key_false vgic_v3_has_v2_compat; int kvm_set_legacy_vgic_v2_addr(struct kvm *kvm, struct kvm_arm_device_addr *dev_addr); void kvm_vgic_early_init(struct kvm *kvm); int kvm_vgic_vcpu_init(struct kvm_vcpu *vcpu); +int kvm_vgic_vcpu_nv_init(struct kvm_vcpu *vcpu); int kvm_vgic_create(struct kvm *kvm, u32 type); void kvm_vgic_destroy(struct kvm *kvm); void kvm_vgic_vcpu_destroy(struct kvm_vcpu *vcpu); @@ -375,8 +399,8 @@ int kvm_vgic_map_resources(struct kvm *kvm); int kvm_vgic_hyp_init(void); void kvm_vgic_init_cpu_hardware(void); -int kvm_vgic_inject_irq(struct kvm *kvm, int cpuid, unsigned int intid, - bool level, void *owner); +int kvm_vgic_inject_irq(struct kvm *kvm, struct kvm_vcpu *vcpu, + unsigned int intid, bool level, void *owner); int kvm_vgic_map_phys_irq(struct kvm_vcpu *vcpu, unsigned int host_irq, u32 vintid, struct irq_ops *ops); int kvm_vgic_unmap_phys_irq(struct kvm_vcpu *vcpu, unsigned int vintid); @@ -387,11 +411,13 @@ int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu); void kvm_vgic_load(struct kvm_vcpu *vcpu); void kvm_vgic_put(struct kvm_vcpu *vcpu); -void kvm_vgic_vmcr_sync(struct kvm_vcpu *vcpu); + +u16 vgic_v3_get_eisr(struct kvm_vcpu *vcpu); +u16 vgic_v3_get_elrsr(struct kvm_vcpu *vcpu); +u64 vgic_v3_get_misr(struct kvm_vcpu *vcpu); #define irqchip_in_kernel(k) (!!((k)->arch.vgic.in_kernel)) #define vgic_initialized(k) ((k)->arch.vgic.initialized) -#define vgic_ready(k) ((k)->arch.vgic.ready) #define vgic_valid_spi(k, i) (((i) >= VGIC_NR_PRIVATE_IRQS) && \ ((i) < (k)->arch.vgic.nr_spis + VGIC_NR_PRIVATE_IRQS)) @@ -399,6 +425,7 @@ bool kvm_vcpu_has_pending_irqs(struct kvm_vcpu *vcpu); void kvm_vgic_sync_hwstate(struct kvm_vcpu *vcpu); void kvm_vgic_flush_hwstate(struct kvm_vcpu *vcpu); void kvm_vgic_reset_mapped_irq(struct kvm_vcpu *vcpu, u32 vintid); +void kvm_vgic_process_async_update(struct kvm_vcpu *vcpu); void vgic_v3_dispatch_sgi(struct kvm_vcpu *vcpu, u64 reg, bool allow_group1); @@ -426,13 +453,14 @@ struct kvm_kernel_irq_routing_entry; int kvm_vgic_v4_set_forwarding(struct kvm *kvm, int irq, struct kvm_kernel_irq_routing_entry *irq_entry); -int kvm_vgic_v4_unset_forwarding(struct kvm *kvm, int irq, - struct kvm_kernel_irq_routing_entry *irq_entry); +void kvm_vgic_v4_unset_forwarding(struct kvm *kvm, int host_irq); int vgic_v4_load(struct kvm_vcpu *vcpu); void vgic_v4_commit(struct kvm_vcpu *vcpu); int vgic_v4_put(struct kvm_vcpu *vcpu); +bool vgic_state_is_nested(struct kvm_vcpu *vcpu); + /* CPU HP callbacks */ void kvm_vgic_cpu_up(void); void kvm_vgic_cpu_down(void); |
