584 lines
19 KiB
C
584 lines
19 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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//
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// packet-serdes-test.c - An application of Kunit to check serialization/deserialization of packets
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// defined by IEEE 1394.
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//
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// Copyright (c) 2024 Takashi Sakamoto
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#include <kunit/test.h>
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#include <linux/firewire-constants.h>
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#include "packet-header-definitions.h"
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static void serialize_async_header_common(u32 header[ASYNC_HEADER_QUADLET_COUNT],
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unsigned int dst_id, unsigned int tlabel,
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unsigned int retry, unsigned int tcode,
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unsigned int priority, unsigned int src_id)
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{
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async_header_set_destination(header, dst_id);
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async_header_set_tlabel(header, tlabel);
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async_header_set_retry(header, retry);
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async_header_set_tcode(header, tcode);
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async_header_set_priority(header, priority);
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async_header_set_source(header, src_id);
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}
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static void serialize_async_header_request(u32 header[ASYNC_HEADER_QUADLET_COUNT],
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unsigned int dst_id, unsigned int tlabel,
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unsigned int retry, unsigned int tcode,
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unsigned int priority, unsigned int src_id, u64 offset)
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{
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serialize_async_header_common(header, dst_id, tlabel, retry, tcode, priority, src_id);
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async_header_set_offset(header, offset);
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}
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static void serialize_async_header_quadlet_request(u32 header[ASYNC_HEADER_QUADLET_COUNT],
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unsigned int dst_id, unsigned int tlabel,
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unsigned int retry, unsigned int tcode,
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unsigned int priority, unsigned int src_id,
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u64 offset)
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{
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serialize_async_header_request(header, dst_id, tlabel, retry, tcode, priority, src_id,
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offset);
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}
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static void serialize_async_header_block_request(u32 header[ASYNC_HEADER_QUADLET_COUNT],
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unsigned int dst_id, unsigned int tlabel,
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unsigned int retry, unsigned int tcode,
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unsigned int priority, unsigned int src_id,
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u64 offset, unsigned int data_length,
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unsigned int extended_tcode)
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{
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serialize_async_header_request(header, dst_id, tlabel, retry, tcode, priority, src_id,
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offset);
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async_header_set_data_length(header, data_length);
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async_header_set_extended_tcode(header, extended_tcode);
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}
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static void serialize_async_header_response(u32 header[ASYNC_HEADER_QUADLET_COUNT],
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unsigned int dst_id, unsigned int tlabel,
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unsigned int retry, unsigned int tcode,
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unsigned int priority, unsigned int src_id,
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unsigned int rcode)
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{
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serialize_async_header_common(header, dst_id, tlabel, retry, tcode, priority, src_id);
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async_header_set_rcode(header, rcode);
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}
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static void serialize_async_header_quadlet_response(u32 header[ASYNC_HEADER_QUADLET_COUNT],
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unsigned int dst_id, unsigned int tlabel,
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unsigned int retry, unsigned int tcode,
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unsigned int priority, unsigned int src_id,
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unsigned int rcode)
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{
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serialize_async_header_response(header, dst_id, tlabel, retry, tcode, priority, src_id,
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rcode);
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}
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static void serialize_async_header_block_response(u32 header[ASYNC_HEADER_QUADLET_COUNT],
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unsigned int dst_id, unsigned int tlabel,
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unsigned int retry, unsigned int tcode,
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unsigned int priority, unsigned int src_id,
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unsigned int rcode, unsigned int data_length,
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unsigned int extended_tcode)
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{
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serialize_async_header_response(header, dst_id, tlabel, retry, tcode, priority, src_id,
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rcode);
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async_header_set_data_length(header, data_length);
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async_header_set_extended_tcode(header, extended_tcode);
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}
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static void deserialize_async_header_common(const u32 header[ASYNC_HEADER_QUADLET_COUNT],
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unsigned int *dst_id, unsigned int *tlabel,
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unsigned int *retry, unsigned int *tcode,
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unsigned int *priority, unsigned int *src_id)
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{
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*dst_id = async_header_get_destination(header);
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*tlabel = async_header_get_tlabel(header);
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*retry = async_header_get_retry(header);
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*tcode = async_header_get_tcode(header);
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*priority = async_header_get_priority(header);
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*src_id = async_header_get_source(header);
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}
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static void deserialize_async_header_request(const u32 header[ASYNC_HEADER_QUADLET_COUNT],
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unsigned int *dst_id, unsigned int *tlabel,
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unsigned int *retry, unsigned int *tcode,
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unsigned int *priority, unsigned int *src_id,
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u64 *offset)
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{
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deserialize_async_header_common(header, dst_id, tlabel, retry, tcode, priority, src_id);
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*offset = async_header_get_offset(header);
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}
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static void deserialize_async_header_quadlet_request(const u32 header[ASYNC_HEADER_QUADLET_COUNT],
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unsigned int *dst_id, unsigned int *tlabel,
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unsigned int *retry, unsigned int *tcode,
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unsigned int *priority, unsigned int *src_id,
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u64 *offset)
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{
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deserialize_async_header_request(header, dst_id, tlabel, retry, tcode, priority, src_id,
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offset);
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}
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static void deserialize_async_header_block_request(const u32 header[ASYNC_HEADER_QUADLET_COUNT],
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unsigned int *dst_id, unsigned int *tlabel,
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unsigned int *retry, unsigned int *tcode,
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unsigned int *priority, unsigned int *src_id,
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u64 *offset,
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unsigned int *data_length,
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unsigned int *extended_tcode)
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{
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deserialize_async_header_request(header, dst_id, tlabel, retry, tcode, priority, src_id,
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offset);
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*data_length = async_header_get_data_length(header);
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*extended_tcode = async_header_get_extended_tcode(header);
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}
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static void deserialize_async_header_response(const u32 header[ASYNC_HEADER_QUADLET_COUNT],
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unsigned int *dst_id, unsigned int *tlabel,
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unsigned int *retry, unsigned int *tcode,
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unsigned int *priority, unsigned int *src_id,
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unsigned int *rcode)
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{
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deserialize_async_header_common(header, dst_id, tlabel, retry, tcode, priority, src_id);
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*rcode = async_header_get_rcode(header);
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}
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static void deserialize_async_header_quadlet_response(const u32 header[ASYNC_HEADER_QUADLET_COUNT],
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unsigned int *dst_id, unsigned int *tlabel,
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unsigned int *retry, unsigned int *tcode,
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unsigned int *priority, unsigned int *src_id,
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unsigned int *rcode)
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{
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deserialize_async_header_response(header, dst_id, tlabel, retry, tcode, priority, src_id, rcode);
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}
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static void deserialize_async_header_block_response(const u32 header[ASYNC_HEADER_QUADLET_COUNT],
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unsigned int *dst_id, unsigned int *tlabel,
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unsigned int *retry, unsigned int *tcode,
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unsigned int *priority, unsigned int *src_id,
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unsigned int *rcode, unsigned int *data_length,
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unsigned int *extended_tcode)
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{
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deserialize_async_header_response(header, dst_id, tlabel, retry, tcode, priority, src_id, rcode);
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*data_length = async_header_get_data_length(header);
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*extended_tcode = async_header_get_extended_tcode(header);
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}
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static void serialize_isoc_header(u32 *header, unsigned int data_length, unsigned int tag,
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unsigned int channel, unsigned int tcode, unsigned int sy)
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{
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isoc_header_set_data_length(header, data_length);
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isoc_header_set_tag(header, tag);
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isoc_header_set_channel(header, channel);
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isoc_header_set_tcode(header, tcode);
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isoc_header_set_sy(header, sy);
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}
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static void deserialize_isoc_header(u32 header, unsigned int *data_length, unsigned int *tag,
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unsigned int *channel, unsigned int *tcode, unsigned int *sy)
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{
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*data_length = isoc_header_get_data_length(header);
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*tag = isoc_header_get_tag(header);
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*channel = isoc_header_get_channel(header);
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*tcode = isoc_header_get_tcode(header);
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*sy = isoc_header_get_sy(header);
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}
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static void test_async_header_write_quadlet_request(struct kunit *test)
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{
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static const u32 expected[ASYNC_HEADER_QUADLET_COUNT] = {
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0xffc05100,
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0xffc1ffff,
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0xf0000234,
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0x1f0000c0,
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};
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u32 header[ASYNC_HEADER_QUADLET_COUNT] = {0, 0, 0, 0};
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unsigned int dst_id;
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unsigned int tlabel;
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unsigned int retry;
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unsigned int tcode;
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unsigned int priority;
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unsigned int src_id;
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u64 offset;
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u32 quadlet_data;
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deserialize_async_header_quadlet_request(expected, &dst_id, &tlabel, &retry, &tcode,
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&priority, &src_id, &offset);
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quadlet_data = async_header_get_quadlet_data(expected);
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KUNIT_EXPECT_EQ(test, 0xffc0, dst_id);
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KUNIT_EXPECT_EQ(test, 0x14, tlabel);
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KUNIT_EXPECT_EQ(test, 0x01, retry);
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KUNIT_EXPECT_EQ(test, TCODE_WRITE_QUADLET_REQUEST, tcode);
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KUNIT_EXPECT_EQ(test, 0x00, priority);
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KUNIT_EXPECT_EQ(test, 0xffc1, src_id);
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KUNIT_EXPECT_EQ(test, 0xfffff0000234, offset);
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KUNIT_EXPECT_EQ(test, 0x1f0000c0, quadlet_data);
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serialize_async_header_quadlet_request(header, dst_id, tlabel, retry, tcode, priority,
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src_id, offset);
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async_header_set_quadlet_data(header, quadlet_data);
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KUNIT_EXPECT_MEMEQ(test, header, expected, sizeof(expected));
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}
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static void test_async_header_write_block_request(struct kunit *test)
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{
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static const u32 expected[ASYNC_HEADER_QUADLET_COUNT] = {
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0xffc06510,
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0xffc1ecc0,
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0x00000000,
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0x00180000,
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};
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u32 header[ASYNC_HEADER_QUADLET_COUNT] = {0, 0, 0, 0};
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unsigned int dst_id;
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unsigned int tlabel;
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unsigned int retry;
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unsigned int tcode;
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unsigned int priority;
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unsigned int src_id;
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u64 offset;
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unsigned int data_length;
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unsigned int extended_tcode;
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deserialize_async_header_block_request(expected, &dst_id, &tlabel, &retry, &tcode,
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&priority, &src_id, &offset, &data_length,
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&extended_tcode);
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KUNIT_EXPECT_EQ(test, 0xffc0, dst_id);
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KUNIT_EXPECT_EQ(test, 0x19, tlabel);
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KUNIT_EXPECT_EQ(test, 0x01, retry);
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KUNIT_EXPECT_EQ(test, TCODE_WRITE_BLOCK_REQUEST, tcode);
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KUNIT_EXPECT_EQ(test, 0x00, priority);
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KUNIT_EXPECT_EQ(test, 0xffc1, src_id);
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KUNIT_EXPECT_EQ(test, 0xecc000000000, offset);
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KUNIT_EXPECT_EQ(test, 0x0018, data_length);
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KUNIT_EXPECT_EQ(test, 0x0000, extended_tcode);
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serialize_async_header_block_request(header, dst_id, tlabel, retry, tcode, priority, src_id,
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offset, data_length, extended_tcode);
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KUNIT_EXPECT_MEMEQ(test, header, expected, sizeof(expected));
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}
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static void test_async_header_write_response(struct kunit *test)
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{
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static const u32 expected[ASYNC_HEADER_QUADLET_COUNT] = {
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0xffc15120,
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0xffc00000,
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0x00000000,
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0x00000000,
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};
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u32 header[ASYNC_HEADER_QUADLET_COUNT] = {0, 0, 0, 0};
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unsigned int dst_id;
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unsigned int tlabel;
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unsigned int retry;
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unsigned int tcode;
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unsigned int priority;
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unsigned int src_id;
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unsigned int rcode;
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deserialize_async_header_quadlet_response(expected, &dst_id, &tlabel, &retry, &tcode,
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&priority, &src_id, &rcode);
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KUNIT_EXPECT_EQ(test, 0xffc1, dst_id);
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KUNIT_EXPECT_EQ(test, 0x14, tlabel);
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KUNIT_EXPECT_EQ(test, 0x01, retry);
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KUNIT_EXPECT_EQ(test, TCODE_WRITE_RESPONSE, tcode);
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KUNIT_EXPECT_EQ(test, 0x00, priority);
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KUNIT_EXPECT_EQ(test, 0xffc0, src_id);
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KUNIT_EXPECT_EQ(test, RCODE_COMPLETE, rcode);
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serialize_async_header_quadlet_response(header, dst_id, tlabel, retry, tcode, priority,
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src_id, rcode);
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KUNIT_EXPECT_MEMEQ(test, header, expected, sizeof(expected) - sizeof(expected[0]));
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}
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static void test_async_header_read_quadlet_request(struct kunit *test)
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{
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static const u32 expected[ASYNC_HEADER_QUADLET_COUNT] = {
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0xffc0f140,
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0xffc1ffff,
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0xf0000984,
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0x00000000,
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};
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u32 header[ASYNC_HEADER_QUADLET_COUNT] = {0, 0, 0, 0};
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unsigned int dst_id;
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unsigned int tlabel;
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unsigned int retry;
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unsigned int tcode;
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unsigned int priority;
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unsigned int src_id;
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u64 offset;
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deserialize_async_header_quadlet_request(expected, &dst_id, &tlabel, &retry, &tcode,
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&priority, &src_id, &offset);
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KUNIT_EXPECT_EQ(test, 0xffc0, dst_id);
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KUNIT_EXPECT_EQ(test, 0x3c, tlabel);
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KUNIT_EXPECT_EQ(test, 0x01, retry);
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KUNIT_EXPECT_EQ(test, TCODE_READ_QUADLET_REQUEST, tcode);
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KUNIT_EXPECT_EQ(test, 0x00, priority);
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KUNIT_EXPECT_EQ(test, 0xffc1, src_id);
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KUNIT_EXPECT_EQ(test, 0xfffff0000984, offset);
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serialize_async_header_quadlet_request(header, dst_id, tlabel, retry, tcode, priority,
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src_id, offset);
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KUNIT_EXPECT_MEMEQ(test, header, expected, sizeof(expected));
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}
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static void test_async_header_read_quadlet_response(struct kunit *test)
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{
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static const u32 expected[ASYNC_HEADER_QUADLET_COUNT] = {
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0xffc1f160,
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0xffc00000,
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0x00000000,
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0x00000180,
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};
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u32 header[ASYNC_HEADER_QUADLET_COUNT] = {0, 0, 0, 0};
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unsigned int dst_id;
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unsigned int tlabel;
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unsigned int retry;
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unsigned int tcode;
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unsigned int priority;
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unsigned int src_id;
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unsigned int rcode;
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u32 quadlet_data;
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deserialize_async_header_quadlet_response(expected, &dst_id, &tlabel, &retry, &tcode,
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&priority, &src_id, &rcode);
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quadlet_data = async_header_get_quadlet_data(expected);
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KUNIT_EXPECT_EQ(test, 0xffc1, dst_id);
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KUNIT_EXPECT_EQ(test, 0x3c, tlabel);
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KUNIT_EXPECT_EQ(test, 0x01, retry);
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KUNIT_EXPECT_EQ(test, TCODE_READ_QUADLET_RESPONSE, tcode);
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KUNIT_EXPECT_EQ(test, 0x00, priority);
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KUNIT_EXPECT_EQ(test, 0xffc0, src_id);
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KUNIT_EXPECT_EQ(test, RCODE_COMPLETE, rcode);
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KUNIT_EXPECT_EQ(test, 0x00000180, quadlet_data);
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serialize_async_header_quadlet_response(header, dst_id, tlabel, retry, tcode, priority,
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src_id, rcode);
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async_header_set_quadlet_data(header, quadlet_data);
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KUNIT_EXPECT_MEMEQ(test, header, expected, sizeof(expected));
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}
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static void test_async_header_read_block_request(struct kunit *test)
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{
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static const u32 expected[ASYNC_HEADER_QUADLET_COUNT] = {
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0xffc0e150,
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0xffc1ffff,
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0xf0000400,
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0x00200000,
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};
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u32 header[ASYNC_HEADER_QUADLET_COUNT] = {0, 0, 0, 0};
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unsigned int dst_id;
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unsigned int tlabel;
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unsigned int retry;
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unsigned int tcode;
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unsigned int priority;
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unsigned int src_id;
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u64 offset;
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unsigned int data_length;
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unsigned int extended_tcode;
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deserialize_async_header_block_request(expected, &dst_id, &tlabel, &retry, &tcode,
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&priority, &src_id, &offset, &data_length,
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&extended_tcode);
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KUNIT_EXPECT_EQ(test, 0xffc0, dst_id);
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KUNIT_EXPECT_EQ(test, 0x38, tlabel);
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KUNIT_EXPECT_EQ(test, 0x01, retry);
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KUNIT_EXPECT_EQ(test, TCODE_READ_BLOCK_REQUEST, tcode);
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KUNIT_EXPECT_EQ(test, 0x00, priority);
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KUNIT_EXPECT_EQ(test, 0xffc1, src_id);
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KUNIT_EXPECT_EQ(test, 0xfffff0000400, offset);
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KUNIT_EXPECT_EQ(test, 0x0020, data_length);
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KUNIT_EXPECT_EQ(test, 0x0000, extended_tcode);
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serialize_async_header_block_request(header, dst_id, tlabel, retry, tcode, priority, src_id,
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offset, data_length, extended_tcode);
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KUNIT_EXPECT_MEMEQ(test, header, expected, sizeof(expected));
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}
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static void test_async_header_read_block_response(struct kunit *test)
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{
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static const u32 expected[ASYNC_HEADER_QUADLET_COUNT] = {
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0xffc1e170,
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0xffc00000,
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0x00000000,
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0x00200000,
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};
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u32 header[ASYNC_HEADER_QUADLET_COUNT] = {0, 0, 0, 0};
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unsigned int dst_id;
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unsigned int tlabel;
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unsigned int retry;
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unsigned int tcode;
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unsigned int priority;
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unsigned int src_id;
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unsigned int rcode;
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unsigned int data_length;
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unsigned int extended_tcode;
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deserialize_async_header_block_response(expected, &dst_id, &tlabel, &retry, &tcode,
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&priority, &src_id, &rcode, &data_length,
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&extended_tcode);
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KUNIT_EXPECT_EQ(test, 0xffc1, dst_id);
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KUNIT_EXPECT_EQ(test, 0x38, tlabel);
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KUNIT_EXPECT_EQ(test, 0x01, retry);
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KUNIT_EXPECT_EQ(test, TCODE_READ_BLOCK_RESPONSE, tcode);
|
|
KUNIT_EXPECT_EQ(test, 0x00, priority);
|
|
KUNIT_EXPECT_EQ(test, 0xffc0, src_id);
|
|
KUNIT_EXPECT_EQ(test, RCODE_COMPLETE, rcode);
|
|
KUNIT_EXPECT_EQ(test, 0x0020, data_length);
|
|
KUNIT_EXPECT_EQ(test, 0x0000, extended_tcode);
|
|
|
|
serialize_async_header_block_response(header, dst_id, tlabel, retry, tcode, priority,
|
|
src_id, rcode, data_length, extended_tcode);
|
|
|
|
KUNIT_EXPECT_MEMEQ(test, header, expected, sizeof(expected));
|
|
}
|
|
|
|
static void test_async_header_lock_request(struct kunit *test)
|
|
{
|
|
static const u32 expected[ASYNC_HEADER_QUADLET_COUNT] = {
|
|
0xffc02d90,
|
|
0xffc1ffff,
|
|
0xf0000984,
|
|
0x00080002,
|
|
};
|
|
u32 header[ASYNC_HEADER_QUADLET_COUNT] = {0, 0, 0, 0};
|
|
|
|
unsigned int dst_id;
|
|
unsigned int tlabel;
|
|
unsigned int retry;
|
|
unsigned int tcode;
|
|
unsigned int priority;
|
|
unsigned int src_id;
|
|
u64 offset;
|
|
unsigned int data_length;
|
|
unsigned int extended_tcode;
|
|
|
|
deserialize_async_header_block_request(expected, &dst_id, &tlabel, &retry, &tcode,
|
|
&priority, &src_id, &offset, &data_length,
|
|
&extended_tcode);
|
|
|
|
KUNIT_EXPECT_EQ(test, 0xffc0, dst_id);
|
|
KUNIT_EXPECT_EQ(test, 0x0b, tlabel);
|
|
KUNIT_EXPECT_EQ(test, 0x01, retry);
|
|
KUNIT_EXPECT_EQ(test, TCODE_LOCK_REQUEST, tcode);
|
|
KUNIT_EXPECT_EQ(test, 0x00, priority);
|
|
KUNIT_EXPECT_EQ(test, 0xffc1, src_id);
|
|
KUNIT_EXPECT_EQ(test, 0xfffff0000984, offset);
|
|
KUNIT_EXPECT_EQ(test, 0x0008, data_length);
|
|
KUNIT_EXPECT_EQ(test, EXTCODE_COMPARE_SWAP, extended_tcode);
|
|
|
|
serialize_async_header_block_request(header, dst_id, tlabel, retry, tcode, priority, src_id,
|
|
offset, data_length, extended_tcode);
|
|
|
|
KUNIT_EXPECT_MEMEQ(test, header, expected, sizeof(expected));
|
|
}
|
|
|
|
static void test_async_header_lock_response(struct kunit *test)
|
|
{
|
|
static const u32 expected[ASYNC_HEADER_QUADLET_COUNT] = {
|
|
0xffc12db0,
|
|
0xffc00000,
|
|
0x00000000,
|
|
0x00040002,
|
|
};
|
|
u32 header[ASYNC_HEADER_QUADLET_COUNT] = {0, 0, 0, 0};
|
|
|
|
unsigned int dst_id;
|
|
unsigned int tlabel;
|
|
unsigned int retry;
|
|
unsigned int tcode;
|
|
unsigned int priority;
|
|
unsigned int src_id;
|
|
unsigned int rcode;
|
|
unsigned int data_length;
|
|
unsigned int extended_tcode;
|
|
|
|
deserialize_async_header_block_response(expected, &dst_id, &tlabel, &retry, &tcode,
|
|
&priority, &src_id, &rcode, &data_length,
|
|
&extended_tcode);
|
|
|
|
KUNIT_EXPECT_EQ(test, 0xffc1, dst_id);
|
|
KUNIT_EXPECT_EQ(test, 0x0b, tlabel);
|
|
KUNIT_EXPECT_EQ(test, 0x01, retry);
|
|
KUNIT_EXPECT_EQ(test, TCODE_LOCK_RESPONSE, tcode);
|
|
KUNIT_EXPECT_EQ(test, 0x00, priority);
|
|
KUNIT_EXPECT_EQ(test, 0xffc0, src_id);
|
|
KUNIT_EXPECT_EQ(test, RCODE_COMPLETE, rcode);
|
|
KUNIT_EXPECT_EQ(test, 0x0004, data_length);
|
|
KUNIT_EXPECT_EQ(test, EXTCODE_COMPARE_SWAP, extended_tcode);
|
|
|
|
serialize_async_header_block_response(header, dst_id, tlabel, retry, tcode, priority,
|
|
src_id, rcode, data_length, extended_tcode);
|
|
|
|
KUNIT_EXPECT_MEMEQ(test, header, expected, sizeof(expected));
|
|
}
|
|
|
|
static void test_isoc_header(struct kunit *test)
|
|
{
|
|
const u32 expected = 0x00d08dec;
|
|
u32 header = 0;
|
|
|
|
unsigned int data_length;
|
|
unsigned int tag;
|
|
unsigned int channel;
|
|
unsigned int tcode;
|
|
unsigned int sy;
|
|
|
|
deserialize_isoc_header(expected, &data_length, &tag, &channel, &tcode, &sy);
|
|
|
|
KUNIT_EXPECT_EQ(test, 0xd0, data_length);
|
|
KUNIT_EXPECT_EQ(test, 0x02, tag);
|
|
KUNIT_EXPECT_EQ(test, 0x0d, channel);
|
|
KUNIT_EXPECT_EQ(test, 0x0e, tcode);
|
|
KUNIT_EXPECT_EQ(test, 0x0c, sy);
|
|
|
|
serialize_isoc_header(&header, data_length, tag, channel, tcode, sy);
|
|
|
|
KUNIT_EXPECT_EQ(test, header, expected);
|
|
}
|
|
|
|
static struct kunit_case packet_serdes_test_cases[] = {
|
|
KUNIT_CASE(test_async_header_write_quadlet_request),
|
|
KUNIT_CASE(test_async_header_write_block_request),
|
|
KUNIT_CASE(test_async_header_write_response),
|
|
KUNIT_CASE(test_async_header_read_quadlet_request),
|
|
KUNIT_CASE(test_async_header_read_quadlet_response),
|
|
KUNIT_CASE(test_async_header_read_block_request),
|
|
KUNIT_CASE(test_async_header_read_block_response),
|
|
KUNIT_CASE(test_async_header_lock_request),
|
|
KUNIT_CASE(test_async_header_lock_response),
|
|
KUNIT_CASE(test_isoc_header),
|
|
{}
|
|
};
|
|
|
|
static struct kunit_suite packet_serdes_test_suite = {
|
|
.name = "firewire-packet-serdes",
|
|
.test_cases = packet_serdes_test_cases,
|
|
};
|
|
kunit_test_suite(packet_serdes_test_suite);
|
|
|
|
MODULE_DESCRIPTION("FireWire packet serialization/deserialization unit test suite");
|
|
MODULE_LICENSE("GPL");
|