// 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");