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__ */
175