36 kvm_arch_irqfd_allowed(struct kvm *kvm, struct kvm_irqfd *args)  in kvm_arch_irqfd_allowed()  argument
282 kvm_irqfd_assign(struct kvm *kvm, struct kvm_irqfd *args)  in kvm_irqfd_assign()  argument
294 	if (!kvm_arch_irqfd_allowed(kvm, args))  in kvm_irqfd_assign()
302 	irqfd->gsi = args->gsi;  in kvm_irqfd_assign()
308 	f = fdget(args->fd);  in kvm_irqfd_assign()
322 	if (args->flags & KVM_IRQFD_FLAG_RESAMPLE) {  in kvm_irqfd_assign()
325 		resamplefd = eventfd_ctx_fdget(args->resamplefd);  in kvm_irqfd_assign()
527 kvm_irqfd_deassign(struct kvm *kvm, struct kvm_irqfd *args)  in kvm_irqfd_deassign()  argument
532 	eventfd = eventfd_ctx_fdget(args->fd);  in kvm_irqfd_deassign()
539 		if (irqfd->eventfd == eventfd && irqfd->gsi == args->gsi) {  in kvm_irqfd_deassign()
567 kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args)  in kvm_irqfd()  argument
569 	if (args->flags & ~(KVM_IRQFD_FLAG_DEASSIGN | KVM_IRQFD_FLAG_RESAMPLE))  in kvm_irqfd()
572 	if (args->flags & KVM_IRQFD_FLAG_DEASSIGN)  in kvm_irqfd()
573 		return kvm_irqfd_deassign(kvm, args);  in kvm_irqfd()
575 	return kvm_irqfd_assign(kvm, args);  in kvm_irqfd()
787 				struct kvm_ioeventfd *args)  in kvm_assign_ioeventfd_idx()  argument
794 	eventfd = eventfd_ctx_fdget(args->fd);  in kvm_assign_ioeventfd_idx()
805 	p->addr    = args->addr;  in kvm_assign_ioeventfd_idx()
807 	p->length  = args->len;  in kvm_assign_ioeventfd_idx()
811 	if (args->flags & KVM_IOEVENTFD_FLAG_DATAMATCH)  in kvm_assign_ioeventfd_idx()
812 		p->datamatch = args->datamatch;  in kvm_assign_ioeventfd_idx()
850 			   struct kvm_ioeventfd *args)  in kvm_deassign_ioeventfd_idx()  argument
857 	eventfd = eventfd_ctx_fdget(args->fd);  in kvm_deassign_ioeventfd_idx()
864 		bool wildcard = !(args->flags & KVM_IOEVENTFD_FLAG_DATAMATCH);  in kvm_deassign_ioeventfd_idx()
868 		    p->addr != args->addr  ||  in kvm_deassign_ioeventfd_idx()
869 		    p->length != args->len ||  in kvm_deassign_ioeventfd_idx()
873 		if (!p->wildcard && p->datamatch != args->datamatch)  in kvm_deassign_ioeventfd_idx()
892 static int kvm_deassign_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)  in kvm_deassign_ioeventfd()  argument
894 	enum kvm_bus bus_idx = ioeventfd_bus_from_flags(args->flags);  in kvm_deassign_ioeventfd()
895 	int ret = kvm_deassign_ioeventfd_idx(kvm, bus_idx, args);  in kvm_deassign_ioeventfd()
897 	if (!args->len && bus_idx == KVM_MMIO_BUS)  in kvm_deassign_ioeventfd()
898 		kvm_deassign_ioeventfd_idx(kvm, KVM_FAST_MMIO_BUS, args);  in kvm_deassign_ioeventfd()
904 kvm_assign_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)  in kvm_assign_ioeventfd()  argument
909 	bus_idx = ioeventfd_bus_from_flags(args->flags);  in kvm_assign_ioeventfd()
911 	switch (args->len) {  in kvm_assign_ioeventfd()
923 	if (args->addr + args->len < args->addr)  in kvm_assign_ioeventfd()
927 	if (args->flags & ~KVM_IOEVENTFD_VALID_FLAG_MASK)  in kvm_assign_ioeventfd()
931 	if (!args->len && (args->flags & KVM_IOEVENTFD_FLAG_DATAMATCH))  in kvm_assign_ioeventfd()
934 	ret = kvm_assign_ioeventfd_idx(kvm, bus_idx, args);  in kvm_assign_ioeventfd()
941 	if (!args->len && bus_idx == KVM_MMIO_BUS) {  in kvm_assign_ioeventfd()
942 		ret = kvm_assign_ioeventfd_idx(kvm, KVM_FAST_MMIO_BUS, args);  in kvm_assign_ioeventfd()
950 	kvm_deassign_ioeventfd_idx(kvm, bus_idx, args);  in kvm_assign_ioeventfd()
956 kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)  in kvm_ioeventfd()  argument
958 	if (args->flags & KVM_IOEVENTFD_FLAG_DEASSIGN)  in kvm_ioeventfd()
959 		return kvm_deassign_ioeventfd(kvm, args);  in kvm_ioeventfd()
961 	return kvm_assign_ioeventfd(kvm, args);  in kvm_ioeventfd()