24 #include "vgic.h"
27  * Initialization rules: there are multiple stages to the vgic
29  * idea is that even though the VGIC is not functional or not requested from
30  * user space, the critical path of the run loop can still call VGIC functions
56  * kvm_vgic_early_init() - Initialize static VGIC VCPU data structures
57  * @kvm: The VM whose VGIC districutor should be initialized
65 	struct vgic_dist *dist = &kvm->arch.vgic;  in kvm_vgic_early_init()
74  * kvm_vgic_create: triggered by the instantiation of the VGIC device by
102 	 * that no other VCPUs are run while we create the vgic.  in kvm_vgic_create()
127 	kvm->arch.vgic.in_kernel = true;  in kvm_vgic_create()
128 	kvm->arch.vgic.vgic_model = type;  in kvm_vgic_create()
130 	kvm->arch.vgic.vgic_dist_base = VGIC_ADDR_UNDEF;  in kvm_vgic_create()
133 		kvm->arch.vgic.vgic_cpu_base = VGIC_ADDR_UNDEF;  in kvm_vgic_create()
135 		INIT_LIST_HEAD(&kvm->arch.vgic.rd_regions);  in kvm_vgic_create()
154 	struct vgic_dist *dist = &kvm->arch.vgic;  in kvm_vgic_dist_init()
164 	 * no other action on irq structs can happen while the VGIC is  in kvm_vgic_dist_init()
198  * kvm_vgic_vcpu_init() - Initialize static VGIC VCPU data
204  * VGIC CPU interface
209 	struct vgic_dist *dist = &vcpu->kvm->arch.vgic;  in kvm_vgic_vcpu_init()
277 	struct vgic_dist *dist = &kvm->arch.vgic;  in vgic_init()
296 	/* Initialize groups on CPUs created before the VGIC type was known */  in vgic_init()
342 	struct vgic_dist *dist = &kvm->arch.vgic;  in kvm_vgic_dist_destroy()
352 	if (kvm->arch.vgic.vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3) {  in kvm_vgic_dist_destroy()
404 		 * We only provide the automatic initialization of the VGIC  in vgic_lazy_init()
409 		if (kvm->arch.vgic.vgic_model != KVM_DEV_TYPE_ARM_VGIC_V2)  in vgic_lazy_init()
423  * Map the MMIO regions depending on the VGIC model exposed to the guest
432 	struct vgic_dist *dist = &kvm->arch.vgic;  in kvm_vgic_map_resources()
470 	 * We cannot rely on the vgic maintenance interrupt to be  in vgic_maintenance_handler()
513 		kvm_err("No vgic maintenance irq\n");  in kvm_vgic_hyp_init()
538 				 "vgic", kvm_get_running_vcpus());  in kvm_vgic_hyp_init()
546 				"kvm/arm/vgic:starting",  in kvm_vgic_hyp_init()
549 		kvm_err("Cannot register vgic CPU notifier\n");  in kvm_vgic_hyp_init()
553 	kvm_info("vgic interrupt IRQ%d\n", kvm_vgic_global_state.maint_irq);  in kvm_vgic_hyp_init()