GB
#define MAXB GB /* No tera, peta, nor exa. */
max = MAXB / GB;
mul = GB;
warnx("maximum blocksize is %ldG", MAXB / GB);
#define GB_G33S2H_SUBVENDOR HDA_MODEL_CONSTRUCT(GB, 0xa022)
#define GB_K8_SUBVENDOR HDA_MODEL_CONSTRUCT(GB, 0xa102)
#define GB_BXBT2807_SUBVENDOR HDA_MODEL_CONSTRUCT(GB, 0xfa53)
#define GP_ALL_SUBVENDOR HDA_MODEL_CONSTRUCT(GB, 0xffff)