diff options
Diffstat (limited to 'arch/arm64/kvm/vgic/vgic.h')
| -rw-r--r-- | arch/arm64/kvm/vgic/vgic.h | 62 |
1 files changed, 52 insertions, 10 deletions
diff --git a/arch/arm64/kvm/vgic/vgic.h b/arch/arm64/kvm/vgic/vgic.h index 0c2b82de8fa3..4349084cb9a6 100644 --- a/arch/arm64/kvm/vgic/vgic.h +++ b/arch/arm64/kvm/vgic/vgic.h @@ -16,6 +16,7 @@ #define INTERRUPT_ID_BITS_SPIS 10 #define INTERRUPT_ID_BITS_ITS 16 +#define VGIC_LPI_MAX_INTID ((1 << INTERRUPT_ID_BITS_ITS) - 1) #define VGIC_PRI_BITS 5 #define vgic_irq_is_sgi(intid) ((intid) < VGIC_NR_SGIS) @@ -171,6 +172,36 @@ struct vgic_reg_attr { gpa_t addr; }; +struct its_device { + struct list_head dev_list; + + /* the head for the list of ITTEs */ + struct list_head itt_head; + u32 num_eventid_bits; + gpa_t itt_addr; + u32 device_id; +}; + +#define COLLECTION_NOT_MAPPED ((u32)~0) + +struct its_collection { + struct list_head coll_list; + + u32 collection_id; + u32 target_addr; +}; + +#define its_is_collection_mapped(coll) ((coll) && \ + ((coll)->target_addr != COLLECTION_NOT_MAPPED)) + +struct its_ite { + struct list_head ite_list; + + struct vgic_irq *irq; + struct its_collection *collection; + u32 event_id; +}; + int vgic_v3_parse_attr(struct kvm_device *dev, struct kvm_device_attr *attr, struct vgic_reg_attr *reg_attr); int vgic_v2_parse_attr(struct kvm_device *dev, struct kvm_device_attr *attr, @@ -178,14 +209,14 @@ int vgic_v2_parse_attr(struct kvm_device *dev, struct kvm_device_attr *attr, const struct vgic_register_region * vgic_get_mmio_region(struct kvm_vcpu *vcpu, struct vgic_io_device *iodev, gpa_t addr, int len); -struct vgic_irq *vgic_get_irq(struct kvm *kvm, struct kvm_vcpu *vcpu, - u32 intid); +struct vgic_irq *vgic_get_irq(struct kvm *kvm, u32 intid); +struct vgic_irq *vgic_get_vcpu_irq(struct kvm_vcpu *vcpu, u32 intid); void vgic_put_irq(struct kvm *kvm, struct vgic_irq *irq); bool vgic_get_phys_line_level(struct vgic_irq *irq); void vgic_irq_set_phys_pending(struct vgic_irq *irq, bool pending); void vgic_irq_set_phys_active(struct vgic_irq *irq, bool active); bool vgic_queue_irq_unlock(struct kvm *kvm, struct vgic_irq *irq, - unsigned long flags); + unsigned long flags) __releases(&irq->irq_lock); void vgic_kick_vcpus(struct kvm *kvm); void vgic_irq_handle_resampling(struct vgic_irq *irq, bool lr_deactivated, bool lr_pending); @@ -214,7 +245,6 @@ int vgic_register_dist_iodev(struct kvm *kvm, gpa_t dist_base_address, void vgic_v2_init_lrs(void); void vgic_v2_load(struct kvm_vcpu *vcpu); void vgic_v2_put(struct kvm_vcpu *vcpu); -void vgic_v2_vmcr_sync(struct kvm_vcpu *vcpu); void vgic_v2_save_state(struct kvm_vcpu *vcpu); void vgic_v2_restore_state(struct kvm_vcpu *vcpu); @@ -253,7 +283,6 @@ bool vgic_v3_check_base(struct kvm *kvm); void vgic_v3_load(struct kvm_vcpu *vcpu); void vgic_v3_put(struct kvm_vcpu *vcpu); -void vgic_v3_vmcr_sync(struct kvm_vcpu *vcpu); bool vgic_has_its(struct kvm *kvm); int kvm_vgic_register_its_device(void); @@ -317,7 +346,7 @@ vgic_v3_rd_region_size(struct kvm *kvm, struct vgic_redist_region *rdreg) struct vgic_redist_region *vgic_v3_rdist_region_from_index(struct kvm *kvm, u32 index); -void vgic_v3_free_redist_region(struct vgic_redist_region *rdreg); +void vgic_v3_free_redist_region(struct kvm *kvm, struct vgic_redist_region *rdreg); bool vgic_v3_rdist_overlap(struct kvm *kvm, gpa_t base, size_t size); @@ -330,14 +359,11 @@ static inline bool vgic_dist_overlap(struct kvm *kvm, gpa_t base, size_t size) } bool vgic_lpis_enabled(struct kvm_vcpu *vcpu); -int vgic_copy_lpi_list(struct kvm *kvm, struct kvm_vcpu *vcpu, u32 **intid_ptr); int vgic_its_resolve_lpi(struct kvm *kvm, struct vgic_its *its, u32 devid, u32 eventid, struct vgic_irq **irq); struct vgic_its *vgic_msi_to_its(struct kvm *kvm, struct kvm_msi *msi); int vgic_its_inject_cached_translation(struct kvm *kvm, struct kvm_msi *msi); -void vgic_lpi_translation_cache_init(struct kvm *kvm); -void vgic_lpi_translation_cache_destroy(struct kvm *kvm); -void vgic_its_invalidate_cache(struct kvm *kvm); +void vgic_its_invalidate_all_caches(struct kvm *kvm); /* GICv4.1 MMIO interface */ int vgic_its_inv_lpi(struct kvm *kvm, struct vgic_irq *irq); @@ -350,4 +376,20 @@ void vgic_v4_configure_vsgis(struct kvm *kvm); void vgic_v4_get_vlpi_state(struct vgic_irq *irq, bool *val); int vgic_v4_request_vpe_irq(struct kvm_vcpu *vcpu, int irq); +void vcpu_set_ich_hcr(struct kvm_vcpu *vcpu); + +static inline bool kvm_has_gicv3(struct kvm *kvm) +{ + return kvm_has_feat(kvm, ID_AA64PFR0_EL1, GIC, IMP); +} + +void vgic_v3_sync_nested(struct kvm_vcpu *vcpu); +void vgic_v3_load_nested(struct kvm_vcpu *vcpu); +void vgic_v3_put_nested(struct kvm_vcpu *vcpu); +void vgic_v3_handle_nested_maint_irq(struct kvm_vcpu *vcpu); +void vgic_v3_nested_update_mi(struct kvm_vcpu *vcpu); + +int vgic_its_debug_init(struct kvm_device *dev); +void vgic_its_debug_destroy(struct kvm_device *dev); + #endif |