eig_to_granularity
rc = eig_to_granularity(cxims->hbig, &hbig);
rc = eig_to_granularity(cfmws->granularity, &ig);
rc = eig_to_granularity(FIELD_GET(CXL_HDM_DECODER0_CTRL_IG_MASK, ctrl),
rc = eig_to_granularity(eig, &ig);
if (eig_to_granularity(eig, &gran)) {
eig_to_granularity(window->granularity, &cxld->interleave_granularity);