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1// SPDX-License-Identifier: GPL-2.0 AND MIT2/*3 * Copyright © 2023 Intel Corporation4 */5 6#include <kunit/test.h>7 8static const struct lmtt_ops_param {9 const char *desc;10 const struct xe_lmtt_ops *ops;11} lmtt_ops_params[] = {12 { "2-level", &lmtt_2l_ops, },13 { "multi-level", &lmtt_ml_ops, },14};15 16static void lmtt_ops_param_get_desc(const struct lmtt_ops_param *p, char *desc)17{18 snprintf(desc, KUNIT_PARAM_DESC_SIZE, "%s", p->desc);19}20 21KUNIT_ARRAY_PARAM(lmtt_ops, lmtt_ops_params, lmtt_ops_param_get_desc);22 23static void test_ops(struct kunit *test)24{25 const struct lmtt_ops_param *p = test->param_value;26 const struct xe_lmtt_ops *ops = p->ops;27 unsigned int n;28 29 KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_root_pd_level);30 KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_pte_num);31 KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_pte_size);32 KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_pte_shift);33 KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_pte_index);34 KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_pte_encode);35 36 KUNIT_EXPECT_NE(test, ops->lmtt_root_pd_level(), 0);37 38 for (n = 0; n <= ops->lmtt_root_pd_level(); n++) {39 KUNIT_EXPECT_NE_MSG(test, ops->lmtt_pte_num(n), 0,40 "level=%u", n);41 KUNIT_EXPECT_NE_MSG(test, ops->lmtt_pte_size(n), 0,42 "level=%u", n);43 KUNIT_EXPECT_NE_MSG(test, ops->lmtt_pte_encode(0, n), LMTT_PTE_INVALID,44 "level=%u", n);45 }46 47 for (n = 0; n < ops->lmtt_root_pd_level(); n++) {48 u64 addr = BIT_ULL(ops->lmtt_pte_shift(n));49 50 KUNIT_EXPECT_NE_MSG(test, ops->lmtt_pte_shift(n), 0,51 "level=%u", n);52 KUNIT_EXPECT_EQ_MSG(test, ops->lmtt_pte_index(addr - 1, n), 0,53 "addr=%#llx level=%u", addr, n);54 KUNIT_EXPECT_EQ_MSG(test, ops->lmtt_pte_index(addr + 1, n), 1,55 "addr=%#llx level=%u", addr, n);56 KUNIT_EXPECT_EQ_MSG(test, ops->lmtt_pte_index(addr * 2 - 1, n), 1,57 "addr=%#llx level=%u", addr, n);58 KUNIT_EXPECT_EQ_MSG(test, ops->lmtt_pte_index(addr * 2, n), 2,59 "addr=%#llx level=%u", addr, n);60 }61}62 63static struct kunit_case lmtt_test_cases[] = {64 KUNIT_CASE_PARAM(test_ops, lmtt_ops_gen_params),65 {}66};67 68static struct kunit_suite lmtt_suite = {69 .name = "lmtt",70 .test_cases = lmtt_test_cases,71};72 73kunit_test_suites(&lmtt_suite);74