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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Copyright 2023 Google LLC4 */5#include <kunit/test.h>6#include <linux/unaligned.h>7#include <scsi/scsi_proto.h>8 9static void test_scsi_proto(struct kunit *test)10{11	static const union {12		struct scsi_io_group_descriptor desc;13		u8 arr[sizeof(struct scsi_io_group_descriptor)];14	} d = { .arr = { 0x45, 0, 0, 0, 0xb0, 0xe4, 0xe3 } };15	KUNIT_EXPECT_EQ(test, d.desc.io_advice_hints_mode + 0, 1);16	KUNIT_EXPECT_EQ(test, d.desc.st_enble + 0, 1);17	KUNIT_EXPECT_EQ(test, d.desc.cs_enble + 0, 0);18	KUNIT_EXPECT_EQ(test, d.desc.ic_enable + 0, 1);19	KUNIT_EXPECT_EQ(test, d.desc.acdlu + 0, 1);20	KUNIT_EXPECT_EQ(test, d.desc.rlbsr + 0, 3);21	KUNIT_EXPECT_EQ(test, d.desc.lbm_descriptor_type + 0, 0);22	KUNIT_EXPECT_EQ(test, d.desc.params[0] + 0, 0xe4);23	KUNIT_EXPECT_EQ(test, d.desc.params[1] + 0, 0xe3);24 25	static const union {26		struct scsi_stream_status s;27		u8 arr[sizeof(struct scsi_stream_status)];28	} ss = { .arr = { 0x80, 0, 0x12, 0x34, 0x3f } };29	KUNIT_EXPECT_EQ(test, ss.s.perm + 0, 1);30	KUNIT_EXPECT_EQ(test, get_unaligned_be16(&ss.s.stream_identifier),31			0x1234);32	KUNIT_EXPECT_EQ(test, ss.s.rel_lifetime + 0, 0x3f);33 34	static const union {35		struct scsi_stream_status_header h;36		u8 arr[sizeof(struct scsi_stream_status_header)];37	} sh = { .arr = { 1, 2, 3, 4, 0, 0, 5, 6 } };38	KUNIT_EXPECT_EQ(test, get_unaligned_be32(&sh.h.len), 0x1020304);39	KUNIT_EXPECT_EQ(test, get_unaligned_be16(&sh.h.number_of_open_streams),40			0x506);41}42 43static struct kunit_case scsi_proto_test_cases[] = {44	KUNIT_CASE(test_scsi_proto),45	{}46};47 48static struct kunit_suite scsi_proto_test_suite = {49	.name = "scsi_proto",50	.test_cases = scsi_proto_test_cases,51};52kunit_test_suite(scsi_proto_test_suite);53 54MODULE_DESCRIPTION("<scsi/scsi_proto.h> unit tests");55MODULE_AUTHOR("Bart Van Assche");56MODULE_LICENSE("GPL");57