fetch_count
pc->fetch_count[CISS_SG_FETCH_NONE] = CISS_FETCH_COUNT(0);
pc->fetch_count[CISS_SG_FETCH_1] = CISS_FETCH_COUNT(1);
pc->fetch_count[CISS_SG_FETCH_2] = CISS_FETCH_COUNT(2);
pc->fetch_count[CISS_SG_FETCH_4] = CISS_FETCH_COUNT(4);
pc->fetch_count[CISS_SG_FETCH_8] = CISS_FETCH_COUNT(8);
pc->fetch_count[CISS_SG_FETCH_16] = CISS_FETCH_COUNT(16);
pc->fetch_count[CISS_SG_FETCH_32] = CISS_FETCH_COUNT(32);
pc->fetch_count[CISS_SG_FETCH_MAX] = (sc->ccblen + 15) / 16;
uint32_t fetch_count[8];
static struct fetch_count fetch_count_reg = {