psnet_read32
cfg->key = psnet_read32(psnet, off);
cfg->cfg_size = psnet_read32(psnet, off);
cfg->cfg_ver = psnet_read32(psnet, off);
cfg->vf_num = psnet_read32(psnet, off);
cfg->vf_bar = psnet_read32(psnet, off);
cfg->host_cfg_off = psnet_read32(psnet, off);
cfg->max_size_host_cfg = psnet_read32(psnet, off);
cfg->virtio_cfg_off = psnet_read32(psnet, off);
cfg->kick_off = psnet_read32(psnet, off);
cfg->hwmon_off = psnet_read32(psnet, off);
cfg->ctrl_off = psnet_read32(psnet, off);
cfg->flags = psnet_read32(psnet, off);
cfg->devices_num = psnet_read32(psnet, off);
cfg->devs[i]->virtio_id = psnet_read32(psnet, off);
cfg->devs[i]->vq_num = psnet_read32(psnet, off);
cfg->devs[i]->vq_size = psnet_read32(psnet, off);
cfg->devs[i]->vfid = psnet_read32(psnet, off);
cfg->devs[i]->cfg_size = psnet_read32(psnet, off);
val = (u64)psnet_read32(psnet, off);
val |= ((u64)psnet_read32(psnet, off + 4) << 32);