27 	struct eventfd_ctx		*trigger;  member
94 		struct eventfd_ctx *trigger = READ_ONCE(ctx->trigger);  in vfio_send_intx_eventfd()  local
96 		if (likely(trigger))  in vfio_send_intx_eventfd()
97 			eventfd_signal(trigger);  in vfio_send_intx_eventfd()
187 		 * A pending interrupt here would immediately trigger,  in vfio_pci_intx_unmask_handler()
251 			    struct eventfd_ctx *trigger)  in vfio_intx_enable()  argument
276 	ctx->trigger = trigger;  in vfio_intx_enable()
320 				struct eventfd_ctx *trigger)  in vfio_intx_set_signal()  argument
330 	old = ctx->trigger;  in vfio_intx_set_signal()
332 	WRITE_ONCE(ctx->trigger, trigger);  in vfio_intx_set_signal()
355 		if (ctx->trigger)  in vfio_intx_disable()
356 			eventfd_ctx_put(ctx->trigger);  in vfio_intx_disable()
368 	struct eventfd_ctx *trigger = arg;  in vfio_msihandler()  local
370 	eventfd_signal(trigger);  in vfio_msihandler()
445 	struct eventfd_ctx *trigger;  in vfio_msi_set_vector_signal()  local
455 		free_irq(irq, ctx->trigger);  in vfio_msi_set_vector_signal()
459 		eventfd_ctx_put(ctx->trigger);  in vfio_msi_set_vector_signal()
484 	trigger = eventfd_ctx_fdget(fd);  in vfio_msi_set_vector_signal()
485 	if (IS_ERR(trigger)) {  in vfio_msi_set_vector_signal()
486 		ret = PTR_ERR(trigger);  in vfio_msi_set_vector_signal()
503 	ret = request_irq(irq, vfio_msihandler, 0, ctx->name, trigger);  in vfio_msi_set_vector_signal()
508 	ret = irq_bypass_register_producer(&ctx->producer, trigger, irq);  in vfio_msi_set_vector_signal()
512 		trigger, ret);  in vfio_msi_set_vector_signal()
514 	ctx->trigger = trigger;  in vfio_msi_set_vector_signal()
519 	eventfd_ctx_put(trigger);  in vfio_msi_set_vector_signal()
640 		struct eventfd_ctx *trigger = NULL;  in vfio_pci_set_intx_trigger()  local
645 			trigger = eventfd_ctx_fdget(fd);  in vfio_pci_set_intx_trigger()
646 			if (IS_ERR(trigger))  in vfio_pci_set_intx_trigger()
647 				return PTR_ERR(trigger);  in vfio_pci_set_intx_trigger()
651 			ret = vfio_intx_set_signal(vdev, trigger);  in vfio_pci_set_intx_trigger()
653 			ret = vfio_intx_enable(vdev, trigger);  in vfio_pci_set_intx_trigger()
655 		if (ret && trigger)  in vfio_pci_set_intx_trigger()
656 			eventfd_ctx_put(trigger);  in vfio_pci_set_intx_trigger()
667 		uint8_t trigger = *(uint8_t *)data;  in vfio_pci_set_intx_trigger()  local
668 		if (trigger)  in vfio_pci_set_intx_trigger()
717 			eventfd_signal(ctx->trigger);  in vfio_pci_set_msi_trigger()
721 				eventfd_signal(ctx->trigger);  in vfio_pci_set_msi_trigger()
743 		uint8_t trigger;  in vfio_pci_set_ctx_trigger_single()  local
748 		trigger = *(uint8_t *)data;  in vfio_pci_set_ctx_trigger_single()
749 		if (trigger && *ctx)  in vfio_pci_set_ctx_trigger_single()