1299 static int nvme_cmb_qdepth(struct nvme_dev *dev, int nr_io_queues,  in nvme_cmb_qdepth()  argument
1306 	if (q_size_aligned * nr_io_queues > dev->cmb_size) {  in nvme_cmb_qdepth()
1307 		u64 mem_per_q = div_u64(dev->cmb_size, nr_io_queues);  in nvme_cmb_qdepth()
1518 static unsigned long db_bar_size(struct nvme_dev *dev, unsigned nr_io_queues)  in db_bar_size()  argument
1520 	return NVME_REG_DBS + ((nr_io_queues + 1) * 8 * dev->db_stride);  in db_bar_size()
1877 	int result, nr_io_queues;  in nvme_setup_io_queues()  local
1884 	nr_io_queues = num_possible_cpus();  in nvme_setup_io_queues()
1885 	result = nvme_set_queue_count(&dev->ctrl, &nr_io_queues);  in nvme_setup_io_queues()
1889 	if (nr_io_queues == 0)  in nvme_setup_io_queues()
1893 		result = nvme_cmb_qdepth(dev, nr_io_queues,  in nvme_setup_io_queues()
1902 		size = db_bar_size(dev, nr_io_queues);  in nvme_setup_io_queues()
1906 		if (!--nr_io_queues)  in nvme_setup_io_queues()
1919 	result = pci_alloc_irq_vectors_affinity(pdev, 1, nr_io_queues + 1,  in nvme_setup_io_queues()