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Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Stefan Richter9f6d3c42010-07-22 11:58:05 +02002#ifndef __nosy_dump_h__
3#define __nosy_dump_h__
4
5#define array_length(array) (sizeof(array) / sizeof(array[0]))
6
Stefan Richter83ef7c72010-07-22 11:58:05 +02007#define ACK_NO_ACK 0x0
Stefan Richter9f6d3c42010-07-22 11:58:05 +02008#define ACK_DONE(a) ((a >> 2) == 0)
9#define ACK_BUSY(a) ((a >> 2) == 1)
10#define ACK_ERROR(a) ((a >> 2) == 3)
11
Stefan Richter1bcc69f2010-07-22 11:58:05 +020012#include <stdint.h>
Stefan Richter9f6d3c42010-07-22 11:58:05 +020013
Stefan Richter1bcc69f2010-07-22 11:58:05 +020014struct phy_packet {
Stefan Richter92c16f72010-07-22 11:58:05 +020015 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;
Stefan Richter1bcc69f2010-07-22 11:58:05 +020022
Stefan Richter92c16f72010-07-22 11:58:05 +020023 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;
Stefan Richter1bcc69f2010-07-22 11:58:05 +020031
Stefan Richter92c16f72010-07-22 11:58:05 +020032 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;
Stefan Richter9f6d3c42010-07-22 11:58:05 +020048
Stefan Richter92c16f72010-07-22 11:58:05 +020049 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;
Stefan Richter9f6d3c42010-07-22 11:58:05 +020069};
70
Stefan Richter83ef7c72010-07-22 11:58:05 +020071#define TCODE_PHY_PACKET 0x10
72
Stefan Richter9f6d3c42010-07-22 11:58:05 +020073#define PHY_PACKET_CONFIGURATION 0x00
74#define PHY_PACKET_LINK_ON 0x01
75#define PHY_PACKET_SELF_ID 0x02
76
77struct link_packet {
Stefan Richter92c16f72010-07-22 11:58:05 +020078 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;
Stefan Richter9f6d3c42010-07-22 11:58:05 +020086
Stefan Richter92c16f72010-07-22 11:58:05 +020087 uint32_t offset_high:16;
88 uint32_t source:16;
Stefan Richter9f6d3c42010-07-22 11:58:05 +020089
Stefan Richter92c16f72010-07-22 11:58:05 +020090 uint32_t offset_low;
91 } common;
Stefan Richter9f6d3c42010-07-22 11:58:05 +020092
Stefan Richter92c16f72010-07-22 11:58:05 +020093 struct {
94 uint32_t common[3];
95 uint32_t crc;
96 } read_quadlet;
Stefan Richter9f6d3c42010-07-22 11:58:05 +020097
Stefan Richter92c16f72010-07-22 11:58:05 +020098 struct {
99 uint32_t common[3];
100 uint32_t data;
101 uint32_t crc;
102 } read_quadlet_response;
Stefan Richter9f6d3c42010-07-22 11:58:05 +0200103
Stefan Richter92c16f72010-07-22 11:58:05 +0200104 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;
Stefan Richter9f6d3c42010-07-22 11:58:05 +0200110
Stefan Richter92c16f72010-07-22 11:58:05 +0200111 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;
Stefan Richter9f6d3c42010-07-22 11:58:05 +0200119
Stefan Richter92c16f72010-07-22 11:58:05 +0200120 struct {
121 uint32_t common[3];
122 uint32_t data;
123 uint32_t crc;
124 } write_quadlet;
Stefan Richter9f6d3c42010-07-22 11:58:05 +0200125
Stefan Richter92c16f72010-07-22 11:58:05 +0200126 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;
Stefan Richter9f6d3c42010-07-22 11:58:05 +0200134
Stefan Richter92c16f72010-07-22 11:58:05 +0200135 struct {
136 uint32_t common[3];
137 uint32_t crc;
138 } write_response;
Stefan Richter9f6d3c42010-07-22 11:58:05 +0200139
Stefan Richter92c16f72010-07-22 11:58:05 +0200140 struct {
141 uint32_t common[3];
142 uint32_t data;
143 uint32_t crc;
144 } cycle_start;
Stefan Richter9f6d3c42010-07-22 11:58:05 +0200145
Stefan Richter92c16f72010-07-22 11:58:05 +0200146 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;
Stefan Richter9f6d3c42010-07-22 11:58:05 +0200152
Stefan Richter92c16f72010-07-22 11:58:05 +0200153 uint32_t crc;
154 } iso_data;
155 };
Stefan Richter9f6d3c42010-07-22 11:58:05 +0200156};
157
158struct subaction {
Stefan Richter92c16f72010-07-22 11:58:05 +0200159 uint32_t ack;
160 size_t length;
161 struct list link;
162 struct link_packet packet;
Stefan Richter9f6d3c42010-07-22 11:58:05 +0200163};
164
165struct link_transaction {
Stefan Richter92c16f72010-07-22 11:58:05 +0200166 int request_node, response_node, tlabel;
167 struct subaction *request, *response;
168 struct list request_list, response_list;
169 struct list link;
Stefan Richter9f6d3c42010-07-22 11:58:05 +0200170};
171
172int decode_fcp(struct link_transaction *t);
173
174#endif /* __nosy_dump_h__ */