cxl_calculate_dpa_offset
EXPORT_SYMBOL_FOR_MODULES(cxl_calculate_dpa_offset, "cxl_translate");
dpa_offset = cxl_calculate_dpa_offset(hpa_offset, eiw, eig);
u64 cxl_calculate_dpa_offset(u64 hpa_offset, u8 eiw, u16 eig);
return cxl_calculate_dpa_offset(offset, r_eiw, r_eig);
reverse_dpa = cxl_calculate_dpa_offset(hpa, eiw, eig);