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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __nosy_dump_h__
3#define __nosy_dump_h__
4
5#define array_length(array) (sizeof(array) / sizeof(array[0]))
6
7#define ACK_NO_ACK 0x0
8#define ACK_DONE(a) ((a >> 2) == 0)
9#define ACK_BUSY(a) ((a >> 2) == 1)
10#define ACK_ERROR(a) ((a >> 2) == 3)
11
12#include <stdint.h>
13
14struct phy_packet {
15 uint32_t timestamp;
16 union {
17 struct {
18 uint32_t zero:24;
19 uint32_t phy_id:6;
20 uint32_t identifier:2;
21 } common, link_on;
22
23 struct {
24 uint32_t zero:16;
25 uint32_t gap_count:6;
26 uint32_t set_gap_count:1;
27 uint32_t set_root:1;
28 uint32_t root_id:6;
29 uint32_t identifier:2;
30 } phy_config;
31
32 struct {
33 uint32_t more_packets:1;
34 uint32_t initiated_reset:1;
35 uint32_t port2:2;
36 uint32_t port1:2;
37 uint32_t port0:2;
38 uint32_t power_class:3;
39 uint32_t contender:1;
40 uint32_t phy_delay:2;
41 uint32_t phy_speed:2;
42 uint32_t gap_count:6;
43 uint32_t link_active:1;
44 uint32_t extended:1;
45 uint32_t phy_id:6;
46 uint32_t identifier:2;
47 } self_id;
48
49 struct {
50 uint32_t more_packets:1;
51 uint32_t reserved1:1;
52 uint32_t porth:2;
53 uint32_t portg:2;
54 uint32_t portf:2;
55 uint32_t porte:2;
56 uint32_t portd:2;
57 uint32_t portc:2;
58 uint32_t portb:2;
59 uint32_t porta:2;
60 uint32_t reserved0:2;
61 uint32_t sequence:3;
62 uint32_t extended:1;
63 uint32_t phy_id:6;
64 uint32_t identifier:2;
65 } ext_self_id;
66 };
67 uint32_t inverted;
68 uint32_t ack;
69};
70
71#define TCODE_PHY_PACKET 0x10
72
73#define PHY_PACKET_CONFIGURATION 0x00
74#define PHY_PACKET_LINK_ON 0x01
75#define PHY_PACKET_SELF_ID 0x02
76
77struct link_packet {
78 uint32_t timestamp;
79 union {
80 struct {
81 uint32_t priority:4;
82 uint32_t tcode:4;
83 uint32_t rt:2;
84 uint32_t tlabel:6;
85 uint32_t destination:16;
86
87 uint32_t offset_high:16;
88 uint32_t source:16;
89
90 uint32_t offset_low;
91 } common;
92
93 struct {
94 uint32_t common[3];
95 uint32_t crc;
96 } read_quadlet;
97
98 struct {
99 uint32_t common[3];
100 uint32_t data;
101 uint32_t crc;
102 } read_quadlet_response;
103
104 struct {
105 uint32_t common[3];
106 uint32_t extended_tcode:16;
107 uint32_t data_length:16;
108 uint32_t crc;
109 } read_block;
110
111 struct {
112 uint32_t common[3];
113 uint32_t extended_tcode:16;
114 uint32_t data_length:16;
115 uint32_t crc;
116 uint32_t data[0];
117 /* crc and ack follows. */
118 } read_block_response;
119
120 struct {
121 uint32_t common[3];
122 uint32_t data;
123 uint32_t crc;
124 } write_quadlet;
125
126 struct {
127 uint32_t common[3];
128 uint32_t extended_tcode:16;
129 uint32_t data_length:16;
130 uint32_t crc;
131 uint32_t data[0];
132 /* crc and ack follows. */
133 } write_block;
134
135 struct {
136 uint32_t common[3];
137 uint32_t crc;
138 } write_response;
139
140 struct {
141 uint32_t common[3];
142 uint32_t data;
143 uint32_t crc;
144 } cycle_start;
145
146 struct {
147 uint32_t sy:4;
148 uint32_t tcode:4;
149 uint32_t channel:6;
150 uint32_t tag:2;
151 uint32_t data_length:16;
152
153 uint32_t crc;
154 } iso_data;
155 };
156};
157
158struct subaction {
159 uint32_t ack;
160 size_t length;
161 struct list link;
162 struct link_packet packet;
163};
164
165struct link_transaction {
166 int request_node, response_node, tlabel;
167 struct subaction *request, *response;
168 struct list request_list, response_list;
169 struct list link;
170};
171
172int decode_fcp(struct link_transaction *t);
173
174#endif /* __nosy_dump_h__ */