diff options
Diffstat (limited to 'arch/powerpc/sysdev/msi_bitmap.c')
| -rw-r--r-- | arch/powerpc/sysdev/msi_bitmap.c | 66 |
1 files changed, 35 insertions, 31 deletions
diff --git a/arch/powerpc/sysdev/msi_bitmap.c b/arch/powerpc/sysdev/msi_bitmap.c index 0c75214b6f92..73b64c73505b 100644 --- a/arch/powerpc/sysdev/msi_bitmap.c +++ b/arch/powerpc/sysdev/msi_bitmap.c @@ -145,59 +145,64 @@ void msi_bitmap_free(struct msi_bitmap *bmp) #ifdef CONFIG_MSI_BITMAP_SELFTEST -#define check(x) \ - if (!(x)) printk("msi_bitmap: test failed at line %d\n", __LINE__); - static void __init test_basics(void) { struct msi_bitmap bmp; - int i, size = 512; + int rc, i, size = 512; /* Can't allocate a bitmap of 0 irqs */ - check(msi_bitmap_alloc(&bmp, 0, NULL) != 0); + WARN_ON(msi_bitmap_alloc(&bmp, 0, NULL) == 0); /* of_node may be NULL */ - check(0 == msi_bitmap_alloc(&bmp, size, NULL)); + WARN_ON(msi_bitmap_alloc(&bmp, size, NULL)); /* Should all be free by default */ - check(0 == bitmap_find_free_region(bmp.bitmap, size, - get_count_order(size))); + WARN_ON(bitmap_find_free_region(bmp.bitmap, size, get_count_order(size))); bitmap_release_region(bmp.bitmap, 0, get_count_order(size)); /* With no node, there's no msi-available-ranges, so expect > 0 */ - check(msi_bitmap_reserve_dt_hwirqs(&bmp) > 0); + WARN_ON(msi_bitmap_reserve_dt_hwirqs(&bmp) <= 0); /* Should all still be free */ - check(0 == bitmap_find_free_region(bmp.bitmap, size, - get_count_order(size))); + WARN_ON(bitmap_find_free_region(bmp.bitmap, size, get_count_order(size))); bitmap_release_region(bmp.bitmap, 0, get_count_order(size)); /* Check we can fill it up and then no more */ for (i = 0; i < size; i++) - check(msi_bitmap_alloc_hwirqs(&bmp, 1) >= 0); + WARN_ON(msi_bitmap_alloc_hwirqs(&bmp, 1) < 0); - check(msi_bitmap_alloc_hwirqs(&bmp, 1) < 0); + WARN_ON(msi_bitmap_alloc_hwirqs(&bmp, 1) >= 0); /* Should all be allocated */ - check(bitmap_find_free_region(bmp.bitmap, size, 0) < 0); + WARN_ON(bitmap_find_free_region(bmp.bitmap, size, 0) >= 0); /* And if we free one we can then allocate another */ msi_bitmap_free_hwirqs(&bmp, size / 2, 1); - check(msi_bitmap_alloc_hwirqs(&bmp, 1) == size / 2); + WARN_ON(msi_bitmap_alloc_hwirqs(&bmp, 1) != size / 2); + + /* Free most of them for the alignment tests */ + msi_bitmap_free_hwirqs(&bmp, 3, size - 3); /* Check we get a naturally aligned offset */ - check(msi_bitmap_alloc_hwirqs(&bmp, 2) % 2 == 0); - check(msi_bitmap_alloc_hwirqs(&bmp, 4) % 4 == 0); - check(msi_bitmap_alloc_hwirqs(&bmp, 8) % 8 == 0); - check(msi_bitmap_alloc_hwirqs(&bmp, 9) % 16 == 0); - check(msi_bitmap_alloc_hwirqs(&bmp, 3) % 4 == 0); - check(msi_bitmap_alloc_hwirqs(&bmp, 7) % 8 == 0); - check(msi_bitmap_alloc_hwirqs(&bmp, 121) % 128 == 0); + rc = msi_bitmap_alloc_hwirqs(&bmp, 2); + WARN_ON(rc < 0 && rc % 2 != 0); + rc = msi_bitmap_alloc_hwirqs(&bmp, 4); + WARN_ON(rc < 0 && rc % 4 != 0); + rc = msi_bitmap_alloc_hwirqs(&bmp, 8); + WARN_ON(rc < 0 && rc % 8 != 0); + rc = msi_bitmap_alloc_hwirqs(&bmp, 9); + WARN_ON(rc < 0 && rc % 16 != 0); + rc = msi_bitmap_alloc_hwirqs(&bmp, 3); + WARN_ON(rc < 0 && rc % 4 != 0); + rc = msi_bitmap_alloc_hwirqs(&bmp, 7); + WARN_ON(rc < 0 && rc % 8 != 0); + rc = msi_bitmap_alloc_hwirqs(&bmp, 121); + WARN_ON(rc < 0 && rc % 128 != 0); msi_bitmap_free(&bmp); - /* Clients may check bitmap == NULL for "not-allocated" */ - check(bmp.bitmap == NULL); + /* Clients may WARN_ON bitmap == NULL for "not-allocated" */ + WARN_ON(bmp.bitmap != NULL); kfree(bmp.bitmap); } @@ -219,14 +224,13 @@ static void __init test_of_node(void) of_node_init(&of_node); of_node.full_name = node_name; - check(0 == msi_bitmap_alloc(&bmp, size, &of_node)); + WARN_ON(msi_bitmap_alloc(&bmp, size, &of_node)); /* No msi-available-ranges, so expect > 0 */ - check(msi_bitmap_reserve_dt_hwirqs(&bmp) > 0); + WARN_ON(msi_bitmap_reserve_dt_hwirqs(&bmp) <= 0); /* Should all still be free */ - check(0 == bitmap_find_free_region(bmp.bitmap, size, - get_count_order(size))); + WARN_ON(bitmap_find_free_region(bmp.bitmap, size, get_count_order(size))); bitmap_release_region(bmp.bitmap, 0, get_count_order(size)); /* Now create a fake msi-available-ranges property */ @@ -240,11 +244,11 @@ static void __init test_of_node(void) of_node.properties = ∝ /* msi-available-ranges, so expect == 0 */ - check(msi_bitmap_reserve_dt_hwirqs(&bmp) == 0); + WARN_ON(msi_bitmap_reserve_dt_hwirqs(&bmp)); /* Check we got the expected result */ - check(0 == bitmap_parselist(expected_str, expected, size)); - check(bitmap_equal(expected, bmp.bitmap, size)); + WARN_ON(bitmap_parselist(expected_str, expected, size)); + WARN_ON(!bitmap_equal(expected, bmp.bitmap, size)); msi_bitmap_free(&bmp); kfree(bmp.bitmap); |