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Prepare for adding code that will query the I/O advice hints group descriptors and for adding code that will retrieve the stream status. Cc: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20240130214911.1863909-11-bvanassche@acm.org Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright 2023 Google LLC
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*/
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#include <kunit/test.h>
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#include <asm-generic/unaligned.h>
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#include <scsi/scsi_proto.h>
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static void test_scsi_proto(struct kunit *test)
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{
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static const union {
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struct scsi_io_group_descriptor desc;
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u8 arr[sizeof(struct scsi_io_group_descriptor)];
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} d = { .arr = { 0x45, 0, 0, 0, 0xb0, 0xe4, 0xe3 } };
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KUNIT_EXPECT_EQ(test, d.desc.io_advice_hints_mode + 0, 1);
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KUNIT_EXPECT_EQ(test, d.desc.st_enble + 0, 1);
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KUNIT_EXPECT_EQ(test, d.desc.cs_enble + 0, 0);
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KUNIT_EXPECT_EQ(test, d.desc.ic_enable + 0, 1);
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KUNIT_EXPECT_EQ(test, d.desc.acdlu + 0, 1);
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KUNIT_EXPECT_EQ(test, d.desc.rlbsr + 0, 3);
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KUNIT_EXPECT_EQ(test, d.desc.lbm_descriptor_type + 0, 0);
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KUNIT_EXPECT_EQ(test, d.desc.params[0] + 0, 0xe4);
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KUNIT_EXPECT_EQ(test, d.desc.params[1] + 0, 0xe3);
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static const union {
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struct scsi_stream_status s;
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u8 arr[sizeof(struct scsi_stream_status)];
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} ss = { .arr = { 0x80, 0, 0x12, 0x34, 0x3f } };
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KUNIT_EXPECT_EQ(test, ss.s.perm + 0, 1);
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KUNIT_EXPECT_EQ(test, get_unaligned_be16(&ss.s.stream_identifier),
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0x1234);
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KUNIT_EXPECT_EQ(test, ss.s.rel_lifetime + 0, 0x3f);
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static const union {
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struct scsi_stream_status_header h;
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u8 arr[sizeof(struct scsi_stream_status_header)];
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} sh = { .arr = { 1, 2, 3, 4, 0, 0, 5, 6 } };
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KUNIT_EXPECT_EQ(test, get_unaligned_be32(&sh.h.len), 0x1020304);
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KUNIT_EXPECT_EQ(test, get_unaligned_be16(&sh.h.number_of_open_streams),
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0x506);
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}
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static struct kunit_case scsi_proto_test_cases[] = {
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KUNIT_CASE(test_scsi_proto),
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{}
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};
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static struct kunit_suite scsi_proto_test_suite = {
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.name = "scsi_proto",
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.test_cases = scsi_proto_test_cases,
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};
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kunit_test_suite(scsi_proto_test_suite);
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MODULE_DESCRIPTION("<scsi/scsi_proto.h> unit tests");
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MODULE_AUTHOR("Bart Van Assche");
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MODULE_LICENSE("GPL");
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