tools/firewire/nosy-dump.h

   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__ */