74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0 AND MIT
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/*
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* Copyright © 2023 Intel Corporation
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*/
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#include <kunit/test.h>
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static const struct lmtt_ops_param {
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const char *desc;
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const struct xe_lmtt_ops *ops;
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} lmtt_ops_params[] = {
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{ "2-level", &lmtt_2l_ops, },
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{ "multi-level", &lmtt_ml_ops, },
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};
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static void lmtt_ops_param_get_desc(const struct lmtt_ops_param *p, char *desc)
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{
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snprintf(desc, KUNIT_PARAM_DESC_SIZE, "%s", p->desc);
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}
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KUNIT_ARRAY_PARAM(lmtt_ops, lmtt_ops_params, lmtt_ops_param_get_desc);
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static void test_ops(struct kunit *test)
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{
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const struct lmtt_ops_param *p = test->param_value;
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const struct xe_lmtt_ops *ops = p->ops;
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unsigned int n;
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KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_root_pd_level);
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KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_pte_num);
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KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_pte_size);
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KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_pte_shift);
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KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_pte_index);
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KUNIT_ASSERT_NOT_NULL(test, ops->lmtt_pte_encode);
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KUNIT_EXPECT_NE(test, ops->lmtt_root_pd_level(), 0);
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for (n = 0; n <= ops->lmtt_root_pd_level(); n++) {
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KUNIT_EXPECT_NE_MSG(test, ops->lmtt_pte_num(n), 0,
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"level=%u", n);
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KUNIT_EXPECT_NE_MSG(test, ops->lmtt_pte_size(n), 0,
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"level=%u", n);
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KUNIT_EXPECT_NE_MSG(test, ops->lmtt_pte_encode(0, n), LMTT_PTE_INVALID,
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"level=%u", n);
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}
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for (n = 0; n < ops->lmtt_root_pd_level(); n++) {
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u64 addr = BIT_ULL(ops->lmtt_pte_shift(n));
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KUNIT_EXPECT_NE_MSG(test, ops->lmtt_pte_shift(n), 0,
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"level=%u", n);
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KUNIT_EXPECT_EQ_MSG(test, ops->lmtt_pte_index(addr - 1, n), 0,
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"addr=%#llx level=%u", addr, n);
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KUNIT_EXPECT_EQ_MSG(test, ops->lmtt_pte_index(addr + 1, n), 1,
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"addr=%#llx level=%u", addr, n);
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KUNIT_EXPECT_EQ_MSG(test, ops->lmtt_pte_index(addr * 2 - 1, n), 1,
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"addr=%#llx level=%u", addr, n);
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KUNIT_EXPECT_EQ_MSG(test, ops->lmtt_pte_index(addr * 2, n), 2,
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"addr=%#llx level=%u", addr, n);
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}
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}
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static struct kunit_case lmtt_test_cases[] = {
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KUNIT_CASE_PARAM(test_ops, lmtt_ops_gen_params),
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{}
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};
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static struct kunit_suite lmtt_suite = {
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.name = "lmtt",
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.test_cases = lmtt_test_cases,
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};
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kunit_test_suites(&lmtt_suite);
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