19  *    shutdown doorbell from a manager partition.
313  * Ring a doorbell
323 	param.ret = ev_doorbell_send(param.doorbell);  in ioctl_doorbell()
459 /* The size of the doorbell event queue.  This must be a power of two. */
482 	uint32_t doorbell;	/* The doorbell handle */  member
487  * Add a doorbell to all of the doorbell queues
489 static void fsl_hv_queue_doorbell(uint32_t doorbell)  in fsl_hv_queue_doorbell()  argument
499 			dbq->q[dbq->tail] = doorbell;  in fsl_hv_queue_doorbell()
516  * We use the same interrupt handler for all doorbells.  Whenever a doorbell
518  * doorbell (passed to us as *data) into all of the queues.
556 	/* It's still a doorbell, so add it to all the queues. */  in fsl_hv_state_change_isr()
557 	fsl_hv_queue_doorbell(dbisr->doorbell);  in fsl_hv_state_change_isr()
589  * If there are doorbell handles in the queue for this open instance, then
603 		uint32_t dbell;	/* Local copy of doorbell queue data */  in fsl_hv_read()
655  * Every time an application opens the driver, we create a doorbell queue
836 	for_each_compatible_node(np, NULL, "epapr,hv-receive-doorbell") {  in fsl_hypervisor_init()
853 		dbisr->doorbell = be32_to_cpup(handle);  in fsl_hypervisor_init()
855 		if (of_device_is_compatible(np, "fsl,hv-shutdown-doorbell")) {  in fsl_hypervisor_init()
856 			/* The shutdown doorbell gets its own ISR */  in fsl_hypervisor_init()
860 			"fsl,hv-state-change-doorbell")) {  in fsl_hypervisor_init()
862 			 * The state change doorbell triggers a notification if  in fsl_hypervisor_init()
867 			 * doorbell.  in fsl_hypervisor_init()
891 		pr_info("fsl-hv: registered handler for doorbell %u\n",  in fsl_hypervisor_init()
892 			dbisr->doorbell);  in fsl_hypervisor_init()