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