db_bar_size
u32 db_bar_size, n_cpus = 1;
db_bar_size = qed_hw_bar_size(p_hwfn, p_ptt, BAR_ID_1);
db_bar_size /= 2;
pwm_regsize = db_bar_size - norm_regsize;
if (db_bar_size < norm_regsize) {
db_bar_size, norm_regsize);
QED_MIN_PWM_REGION, db_bar_size, norm_regsize);
result = nvme_remap_bar(dev, db_bar_size(dev, 0));
size = db_bar_size(dev, nr_io_queues);