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