1468 static int nvme_cmb_qdepth(struct nvme_dev *dev, int nr_io_queues,  in nvme_cmb_qdepth()  argument
1475 	if (q_size_aligned * nr_io_queues > dev->cmb_size) {  in nvme_cmb_qdepth()
1476 		u64 mem_per_q = div_u64(dev->cmb_size, nr_io_queues);  in nvme_cmb_qdepth()
1690 static unsigned long db_bar_size(struct nvme_dev *dev, unsigned nr_io_queues)  in db_bar_size()  argument
1692 	return NVME_REG_DBS + ((nr_io_queues + 1) * 8 * dev->db_stride);  in db_bar_size()
2210 static int nvme_setup_irqs(struct nvme_dev *dev, unsigned int nr_io_queues)  in nvme_setup_irqs()  argument
2224 	poll_queues = min(dev->nr_poll_queues, nr_io_queues - 1);  in nvme_setup_irqs()
2241 		irq_queues += (nr_io_queues - poll_queues);  in nvme_setup_irqs()
2261 	unsigned int nr_io_queues;  in nvme_setup_io_queues()  local
2272 	nr_io_queues = dev->nr_allocated_queues - 1;  in nvme_setup_io_queues()
2273 	result = nvme_set_queue_count(&dev->ctrl, &nr_io_queues);  in nvme_setup_io_queues()
2277 	if (nr_io_queues == 0)  in nvme_setup_io_queues()
2294 		result = nvme_cmb_qdepth(dev, nr_io_queues,  in nvme_setup_io_queues()
2305 		size = db_bar_size(dev, nr_io_queues);  in nvme_setup_io_queues()
2309 		if (!--nr_io_queues) {  in nvme_setup_io_queues()
2327 	result = nvme_setup_irqs(dev, nr_io_queues);  in nvme_setup_io_queues()
2354 		nr_io_queues = dev->online_queues - 1;  in nvme_setup_io_queues()