| 610 | } |
| 611 | |
| 612 | static int test_readv(struct buf_desc *bd) |
| 613 | { |
| 614 | void *p = bd->buf_wr; |
| 615 | int ret; |
| 616 | struct iovec iov_page = { .iov_base = p, .iov_len = page_sz }; |
| 617 | struct iovec iov_multi[] = { |
| 618 | { .iov_base = p, .iov_len = page_sz }, |
| 619 | { .iov_base = p + page_sz, .iov_len = page_sz }, |
| 620 | { .iov_base = p + page_sz * 2, .iov_len = page_sz }, |
| 621 | }; |
| 622 | struct iovec iov_unalign = { .iov_base = p + 1, .iov_len = page_sz - 1 }; |
| 623 | |
| 624 | reinit_ring(bd); |
| 625 | |
| 626 | /* Single page read */ |
| 627 | ret = test_readv_fixed(bd, &iov_page, 1); |
| 628 | if (ret) { |
| 629 | fprintf(stderr, "readv_fixed: single page failed\n"); |
| 630 | return ret; |
| 631 | } |
| 632 | |
| 633 | /* Multi-segment read */ |
| 634 | reinit_ring(bd); |
| 635 | ret = test_readv_fixed(bd, iov_multi, 3); |
| 636 | if (ret) { |
| 637 | fprintf(stderr, "readv_fixed: multi-segment failed\n"); |
| 638 | return ret; |
| 639 | } |
| 640 | |
| 641 | /* Unaligned read */ |
| 642 | reinit_ring(bd); |
| 643 | ret = test_readv_fixed(bd, &iov_unalign, 1); |
| 644 | if (ret) { |
| 645 | fprintf(stderr, "readv_fixed: unaligned failed\n"); |
| 646 | return ret; |
| 647 | } |
| 648 | |
| 649 | return 0; |
| 650 | } |
| 651 | |
| 652 | static void test_fail(struct buf_desc *bd) |
| 653 | { |
no test coverage detected