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 | |
14 | struct 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 | |
77 | struct 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 | |
158 | struct subaction { |
159 | uint32_t ack; |
160 | size_t length; |
161 | struct list link; |
162 | struct link_packet packet; |
163 | }; |
164 | |
165 | struct 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 | |
172 | int decode_fcp(struct link_transaction *t); |
173 | |
174 | #endif /* __nosy_dump_h__ */ |
175 | |