linux/drivers/gpu/drm/tests/drm_mm_test.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Test cases for the drm_mm range manager
 *
 * Copyright (c) 2022 Arthur Grillo <[email protected]>
 */

#include <kunit/test.h>

#include <linux/prime_numbers.h>
#include <linux/slab.h>
#include <linux/random.h>
#include <linux/vmalloc.h>
#include <linux/ktime.h>

#include <drm/drm_mm.h>

#include "../lib/drm_random.h"

enum { … };

static const struct insert_mode { … } insert_modes[] = …;

static bool assert_no_holes(struct kunit *test, const struct drm_mm *mm)
{ … }

static bool assert_one_hole(struct kunit *test, const struct drm_mm *mm, u64 start, u64 end)
{ … }

static u64 misalignment(struct drm_mm_node *node, u64 alignment)
{ … }

static bool assert_node(struct kunit *test, struct drm_mm_node *node, struct drm_mm *mm,
			u64 size, u64 alignment, unsigned long color)
{ … }

static void drm_test_mm_init(struct kunit *test)
{ … }

static void drm_test_mm_debug(struct kunit *test)
{ … }

static bool expect_insert(struct kunit *test, struct drm_mm *mm,
			  struct drm_mm_node *node, u64 size, u64 alignment, unsigned long color,
			const struct insert_mode *mode)
{ … }

static void drm_test_mm_align_pot(struct kunit *test, int max)
{ … }

static void drm_test_mm_align32(struct kunit *test)
{ … }

static void drm_test_mm_align64(struct kunit *test)
{ … }

static void drm_test_mm_once(struct kunit *test, unsigned int mode)
{ … }

static void drm_test_mm_lowest(struct kunit *test)
{ … }

static void drm_test_mm_highest(struct kunit *test)
{ … }

static struct kunit_case drm_mm_tests[] = …;

static struct kunit_suite drm_mm_test_suite = …;

kunit_test_suite(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;