SG_LIST_HDR_SIZE
info->dlen = g_sz_bytes + s_sz_bytes + SG_LIST_HDR_SIZE;
dlen = g_sz_bytes + s_sz_bytes + SG_LIST_HDR_SIZE;
dlen = g_len + s_len + SG_LIST_HDR_SIZE;
info->out_buffer = info->in_buffer + SG_LIST_HDR_SIZE + g_len;