dbq 492 drivers/virt/fsl_hypervisor.c struct doorbell_queue *dbq; dbq 498 drivers/virt/fsl_hypervisor.c list_for_each_entry(dbq, &db_list, list) { dbq 499 drivers/virt/fsl_hypervisor.c if (dbq->head != nextp(dbq->tail)) { dbq 500 drivers/virt/fsl_hypervisor.c dbq->q[dbq->tail] = doorbell; dbq 506 drivers/virt/fsl_hypervisor.c dbq->tail = nextp(dbq->tail); dbq 507 drivers/virt/fsl_hypervisor.c wake_up_interruptible(&dbq->wait); dbq 573 drivers/virt/fsl_hypervisor.c struct doorbell_queue *dbq = filp->private_data; dbq 577 drivers/virt/fsl_hypervisor.c spin_lock_irqsave(&dbq->lock, flags); dbq 579 drivers/virt/fsl_hypervisor.c poll_wait(filp, &dbq->wait, p); dbq 580 drivers/virt/fsl_hypervisor.c mask = (dbq->head == dbq->tail) ? 0 : (EPOLLIN | EPOLLRDNORM); dbq 582 drivers/virt/fsl_hypervisor.c spin_unlock_irqrestore(&dbq->lock, flags); dbq 597 drivers/virt/fsl_hypervisor.c struct doorbell_queue *dbq = filp->private_data; dbq 606 drivers/virt/fsl_hypervisor.c spin_lock_irqsave(&dbq->lock, flags); dbq 613 drivers/virt/fsl_hypervisor.c if (dbq->head == dbq->tail) { dbq 614 drivers/virt/fsl_hypervisor.c spin_unlock_irqrestore(&dbq->lock, flags); dbq 619 drivers/virt/fsl_hypervisor.c if (wait_event_interruptible(dbq->wait, dbq 620 drivers/virt/fsl_hypervisor.c dbq->head != dbq->tail)) dbq 638 drivers/virt/fsl_hypervisor.c dbell = dbq->q[dbq->head]; dbq 639 drivers/virt/fsl_hypervisor.c dbq->head = nextp(dbq->head); dbq 641 drivers/virt/fsl_hypervisor.c spin_unlock_irqrestore(&dbq->lock, flags); dbq 661 drivers/virt/fsl_hypervisor.c struct doorbell_queue *dbq; dbq 665 drivers/virt/fsl_hypervisor.c dbq = kzalloc(sizeof(struct doorbell_queue), GFP_KERNEL); dbq 666 drivers/virt/fsl_hypervisor.c if (!dbq) { dbq 671 drivers/virt/fsl_hypervisor.c spin_lock_init(&dbq->lock); dbq 672 drivers/virt/fsl_hypervisor.c init_waitqueue_head(&dbq->wait); dbq 675 drivers/virt/fsl_hypervisor.c list_add(&dbq->list, &db_list); dbq 678 drivers/virt/fsl_hypervisor.c filp->private_data = dbq; dbq 688 drivers/virt/fsl_hypervisor.c struct doorbell_queue *dbq = filp->private_data; dbq 694 drivers/virt/fsl_hypervisor.c list_del(&dbq->list); dbq 697 drivers/virt/fsl_hypervisor.c kfree(dbq);