13 #include "vgic.h"
16  * Initialization rules: there are multiple stages to the vgic
18  * idea is that even though the VGIC is not functional or not requested from
19  * user space, the critical path of the run loop can still call VGIC functions
45  * kvm_vgic_early_init() - Initialize static VGIC VCPU data structures
46  * @kvm: The VM whose VGIC districutor should be initialized
54 	struct vgic_dist *dist = &kvm->arch.vgic;  in kvm_vgic_early_init()
62  * kvm_vgic_create: triggered by the instantiation of the VGIC device by
115 	kvm->arch.vgic.in_kernel = true;  in kvm_vgic_create()
116 	kvm->arch.vgic.vgic_model = type;  in kvm_vgic_create()
118 	kvm->arch.vgic.vgic_dist_base = VGIC_ADDR_UNDEF;  in kvm_vgic_create()
121 		kvm->arch.vgic.vgic_cpu_base = VGIC_ADDR_UNDEF;  in kvm_vgic_create()
123 		INIT_LIST_HEAD(&kvm->arch.vgic.rd_regions);  in kvm_vgic_create()
140 	struct vgic_dist *dist = &kvm->arch.vgic;  in kvm_vgic_dist_init()
150 	 * no other action on irq structs can happen while the VGIC is  in kvm_vgic_dist_init()
238  * kvm_vgic_vcpu_init() - Initialize static VGIC VCPU data
244  * VGIC CPU interface
249 	struct vgic_dist *dist = &vcpu->kvm->arch.vgic;  in kvm_vgic_vcpu_init()
296 	struct vgic_dist *dist = &kvm->arch.vgic;  in vgic_init()
318 	/* Initialize groups on CPUs created before the VGIC type was known */  in vgic_init()
381 	struct vgic_dist *dist = &kvm->arch.vgic;  in kvm_vgic_dist_destroy()
420 	if (vcpu->kvm->arch.vgic.vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3) {  in __kvm_vgic_vcpu_destroy()
470 	if (kvm->arch.vgic.vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3)  in kvm_vgic_destroy()
489 		 * We only provide the automatic initialization of the VGIC  in vgic_lazy_init()
494 		if (kvm->arch.vgic.vgic_model != KVM_DEV_TYPE_ARM_VGIC_V2)  in vgic_lazy_init()
511  * Map the MMIO regions depending on the VGIC model exposed to the guest
515  * v3 and derivatives return an error if the VGIC is not initialized.
520 	struct vgic_dist *dist = &kvm->arch.vgic;  in kvm_vgic_map_resources()
552 		kvm_err("Unable to register VGIC dist MMIO regions\n");  in kvm_vgic_map_resources()
592 	 * We cannot rely on the vgic maintenance interrupt to be  in vgic_maintenance_handler()
646 		kvm_err("No vgic maintenance irq\n");  in kvm_vgic_hyp_init()
655 		kvm_info("Non-architectural vgic, tainting kernel\n");  in kvm_vgic_hyp_init()
688 				 "vgic", kvm_get_running_vcpus());  in kvm_vgic_hyp_init()
695 	kvm_info("vgic interrupt IRQ%d\n", kvm_vgic_global_state.maint_irq);  in kvm_vgic_hyp_init()