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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 | // SPDX-License-Identifier: GPL-2.0+ /* * Test cases for API provided by resource.c and ioport.h */ #include <kunit/test.h> #include <linux/ioport.h> #include <linux/kernel.h> #include <linux/string.h> #define R0_START 0x0000 #define R0_END 0xffff #define R1_START 0x1234 #define R1_END 0x2345 #define R2_START 0x4567 #define R2_END 0x5678 #define R3_START 0x6789 #define R3_END 0x789a #define R4_START 0x2000 #define R4_END 0x7000 static struct resource r0 = { .start = R0_START, .end = R0_END }; static struct resource r1 = { .start = R1_START, .end = R1_END }; static struct resource r2 = { .start = R2_START, .end = R2_END }; static struct resource r3 = { .start = R3_START, .end = R3_END }; static struct resource r4 = { .start = R4_START, .end = R4_END }; struct result { struct resource *r1; struct resource *r2; struct resource r; bool ret; }; static struct result results_for_union[] = { { .r1 = &r1, .r2 = &r0, .r.start = R0_START, .r.end = R0_END, .ret = true, }, { .r1 = &r2, .r2 = &r0, .r.start = R0_START, .r.end = R0_END, .ret = true, }, { .r1 = &r3, .r2 = &r0, .r.start = R0_START, .r.end = R0_END, .ret = true, }, { .r1 = &r4, .r2 = &r0, .r.start = R0_START, .r.end = R0_END, .ret = true, }, { .r1 = &r2, .r2 = &r1, .ret = false, }, { .r1 = &r3, .r2 = &r1, .ret = false, }, { .r1 = &r4, .r2 = &r1, .r.start = R1_START, .r.end = R4_END, .ret = true, }, { .r1 = &r2, .r2 = &r3, .ret = false, }, { .r1 = &r2, .r2 = &r4, .r.start = R4_START, .r.end = R4_END, .ret = true, }, { .r1 = &r3, .r2 = &r4, .r.start = R4_START, .r.end = R3_END, .ret = true, }, }; static struct result results_for_intersection[] = { { .r1 = &r1, .r2 = &r0, .r.start = R1_START, .r.end = R1_END, .ret = true, }, { .r1 = &r2, .r2 = &r0, .r.start = R2_START, .r.end = R2_END, .ret = true, }, { .r1 = &r3, .r2 = &r0, .r.start = R3_START, .r.end = R3_END, .ret = true, }, { .r1 = &r4, .r2 = &r0, .r.start = R4_START, .r.end = R4_END, .ret = true, }, { .r1 = &r2, .r2 = &r1, .ret = false, }, { .r1 = &r3, .r2 = &r1, .ret = false, }, { .r1 = &r4, .r2 = &r1, .r.start = R4_START, .r.end = R1_END, .ret = true, }, { .r1 = &r2, .r2 = &r3, .ret = false, }, { .r1 = &r2, .r2 = &r4, .r.start = R2_START, .r.end = R2_END, .ret = true, }, { .r1 = &r3, .r2 = &r4, .r.start = R3_START, .r.end = R4_END, .ret = true, }, }; static void resource_do_test(struct kunit *test, bool ret, struct resource *r, bool exp_ret, struct resource *exp_r, struct resource *r1, struct resource *r2) { KUNIT_EXPECT_EQ_MSG(test, ret, exp_ret, "Resources %pR %pR", r1, r2); KUNIT_EXPECT_EQ_MSG(test, r->start, exp_r->start, "Start elements are not equal"); KUNIT_EXPECT_EQ_MSG(test, r->end, exp_r->end, "End elements are not equal"); } static void resource_do_union_test(struct kunit *test, struct result *r) { struct resource result; bool ret; memset(&result, 0, sizeof(result)); ret = resource_union(r->r1, r->r2, &result); resource_do_test(test, ret, &result, r->ret, &r->r, r->r1, r->r2); memset(&result, 0, sizeof(result)); ret = resource_union(r->r2, r->r1, &result); resource_do_test(test, ret, &result, r->ret, &r->r, r->r2, r->r1); } static void resource_test_union(struct kunit *test) { struct result *r = results_for_union; unsigned int i = 0; do { resource_do_union_test(test, &r[i]); } while (++i < ARRAY_SIZE(results_for_union)); } static void resource_do_intersection_test(struct kunit *test, struct result *r) { struct resource result; bool ret; memset(&result, 0, sizeof(result)); ret = resource_intersection(r->r1, r->r2, &result); resource_do_test(test, ret, &result, r->ret, &r->r, r->r1, r->r2); memset(&result, 0, sizeof(result)); ret = resource_intersection(r->r2, r->r1, &result); resource_do_test(test, ret, &result, r->ret, &r->r, r->r2, r->r1); } static void resource_test_intersection(struct kunit *test) { struct result *r = results_for_intersection; unsigned int i = 0; do { resource_do_intersection_test(test, &r[i]); } while (++i < ARRAY_SIZE(results_for_intersection)); } static struct kunit_case resource_test_cases[] = { KUNIT_CASE(resource_test_union), KUNIT_CASE(resource_test_intersection), {} }; static struct kunit_suite resource_test_suite = { .name = "resource", .test_cases = resource_test_cases, }; kunit_test_suite(resource_test_suite); MODULE_DESCRIPTION("I/O Port & Memory Resource manager unit tests"); MODULE_LICENSE("GPL"); |