drm/tests/drm_buddy_test.c

7 #include <kunit/test.h>
24 static void drm_test_buddy_alloc_range_bias(struct kunit *test)
39 	kunit_info(test, "mm_size=%u, ps=%u\n", mm_size, ps);
41 	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_init(&mm, mm_size, ps),
46 	KUNIT_EXPECT_TRUE(test, order);
64 		KUNIT_ASSERT_TRUE_MSG(test,
73 		KUNIT_ASSERT_TRUE_MSG(test,
82 		KUNIT_ASSERT_TRUE_MSG(test,
91 		KUNIT_ASSERT_TRUE_MSG(test,
101 		KUNIT_ASSERT_FALSE_MSG(test,
111 		KUNIT_ASSERT_FALSE_MSG(test,
123 			KUNIT_ASSERT_FALSE_MSG(test,
133 		KUNIT_ASSERT_TRUE_MSG(test,
146 			KUNIT_ASSERT_FALSE_MSG(test,
177 	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_init(&mm, mm_size, ps),
188 		KUNIT_ASSERT_FALSE_MSG(test,
215 	KUNIT_ASSERT_EQ(test, bias_start, 0);
216 	KUNIT_ASSERT_EQ(test, bias_end, mm_size);
217 	KUNIT_ASSERT_TRUE_MSG(test,
235 	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_init(&mm, mm_size, ps),
246 	KUNIT_ASSERT_FALSE_MSG(test,
255 		KUNIT_EXPECT_EQ(test, drm_buddy_block_is_clear(block), false);
261 static void drm_test_buddy_alloc_clear(struct kunit *test)
276 	KUNIT_EXPECT_FALSE(test, drm_buddy_init(&mm, mm_size, ps));
278 	KUNIT_EXPECT_EQ(test, mm.max_order, max_order);
289 	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size,
309 		KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size,
316 		KUNIT_EXPECT_EQ(test, drm_buddy_block_is_clear(block), true);
319 		KUNIT_EXPECT_EQ(test, drm_buddy_block_is_clear(block), false);
327 	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size,
336 	KUNIT_EXPECT_FALSE(test, drm_buddy_init(&mm, mm_size, ps));
358 		KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size,
370 		KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size,
377 				KUNIT_EXPECT_EQ(test, drm_buddy_block_is_clear(block), false);
380 		KUNIT_EXPECT_EQ(test, total, size);
394 	KUNIT_EXPECT_FALSE(test, drm_buddy_init(&mm, mm_size, ps));
395 	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size,
403 static void drm_test_buddy_alloc_contiguous(struct kunit *test)
414 	KUNIT_EXPECT_FALSE(test, drm_buddy_init(&mm, mm_size, ps));
436 		KUNIT_ASSERT_FALSE_MSG(test,
443 	KUNIT_ASSERT_TRUE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size,
449 	KUNIT_ASSERT_TRUE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size,
453 	KUNIT_ASSERT_TRUE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size,
459 	KUNIT_ASSERT_TRUE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size,
468 	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size,
474 	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, 0, mm_size,
483 	KUNIT_ASSERT_EQ(test, total, ps * 2 + ps * 3);
489 static void drm_test_buddy_alloc_pathological(struct kunit *test)
509 	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_init(&mm, mm_size, PAGE_SIZE),
512 	KUNIT_EXPECT_EQ(test, mm.max_order, max_order);
524 			KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, start,
531 			KUNIT_ASSERT_TRUE_MSG(test, block, "alloc_blocks has no blocks\n");
538 		KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, start, mm_size,
543 		KUNIT_ASSERT_TRUE_MSG(test, block, "alloc_blocks has no blocks\n");
548 		KUNIT_ASSERT_TRUE_MSG(test, drm_buddy_alloc_blocks(&mm, start, mm_size,
559 		KUNIT_ASSERT_TRUE_MSG(test, drm_buddy_alloc_blocks(&mm, start, mm_size,
570 static void drm_test_buddy_alloc_pessimistic(struct kunit *test)
588 	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_init(&mm, mm_size, PAGE_SIZE),
591 	KUNIT_EXPECT_EQ(test, mm.max_order, max_order);
595 		KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, start, mm_size,
601 		KUNIT_ASSERT_TRUE_MSG(test, block, "alloc_blocks has no blocks\n");
608 	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, start, mm_size,
613 	KUNIT_ASSERT_TRUE_MSG(test, block, "alloc_blocks has no blocks\n");
620 		KUNIT_ASSERT_TRUE_MSG(test, drm_buddy_alloc_blocks(&mm, start, mm_size,
636 		KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, start, mm_size,
642 		KUNIT_ASSERT_TRUE_MSG(test, block, "alloc_blocks has no blocks\n");
651 	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, start, mm_size,
657 	KUNIT_ASSERT_TRUE_MSG(test, block, "alloc_blocks has no blocks\n");
665 static void drm_test_buddy_alloc_optimistic(struct kunit *test)
683 	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_init(&mm, mm_size, PAGE_SIZE),
686 	KUNIT_EXPECT_EQ(test, mm.max_order, max_order);
690 		KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_alloc_blocks(&mm, start, mm_size,
696 		KUNIT_ASSERT_TRUE_MSG(test, block, "alloc_blocks has no blocks\n");
703 	KUNIT_ASSERT_TRUE_MSG(test, drm_buddy_alloc_blocks(&mm, start, mm_size,
711 static void drm_test_buddy_alloc_limit(struct kunit *test)
719 	KUNIT_EXPECT_FALSE(test, drm_buddy_init(&mm, size, PAGE_SIZE));
721 	KUNIT_EXPECT_EQ_MSG(test, mm.max_order, DRM_BUDDY_MAX_ORDER,
726 	KUNIT_EXPECT_FALSE(test, drm_buddy_alloc_blocks(&mm, start, size, size,
730 	KUNIT_EXPECT_TRUE(test, block);
732 	KUNIT_EXPECT_EQ_MSG(test, drm_buddy_block_order(block), mm.max_order,
736 	KUNIT_EXPECT_EQ_MSG(test, drm_buddy_block_size(&mm, block),