amd_ntb_peer_reg_read
amd_ntb_peer_reg_read(8, bar_info->xlat_off), (void *)addr);
amd_ntb_peer_reg_read(4, bar_info->limit_off),
amd_ntb_peer_reg_read(8, bar_info->limit_off),
amd_ntb_peer_reg_read(8, AMD_BAR1XLAT_OFFSET));
amd_ntb_peer_reg_read(8, AMD_BAR23XLAT_OFFSET));
amd_ntb_peer_reg_read(8, AMD_BAR45XLAT_OFFSET));
fullreg = amd_ntb_peer_reg_read(4, AMD_SIDEINFO_OFFSET);