NO_OF_SG_PER_BLOCK
for (i = 0; i < NO_OF_SG_PER_BLOCK; i++) {
sg_block->sg_cnt = NO_OF_SG_PER_BLOCK;
((ADW_MAX_SG_LIST + (NO_OF_SG_PER_BLOCK - 1))/NO_OF_SG_PER_BLOCK)
} sg_list[NO_OF_SG_PER_BLOCK];