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 TCODE_WRITE_QUADLET         0x0
   7 #define TCODE_WRITE_BLOCK           0x1
   8 #define TCODE_WRITE_RESPONSE        0x2
   9 #define TCODE_READ_QUADLET          0x4
  10 #define TCODE_READ_BLOCK            0x5
  11 #define TCODE_READ_QUADLET_RESPONSE 0x6
  12 #define TCODE_READ_BLOCK_RESPONSE   0x7
  13 #define TCODE_CYCLE_START           0x8
  14 #define TCODE_LOCK_REQUEST          0x9
  15 #define TCODE_ISO_DATA              0xa
  16 #define TCODE_LOCK_RESPONSE         0xb
  17 #define TCODE_PHY_PACKET            0x10
  18
  19 #define ACK_NO_ACK               0x0
  20 #define ACK_COMPLETE             0x1
  21 #define ACK_PENDING              0x2
  22 #define ACK_BUSY_X               0x4
  23 #define ACK_BUSY_A               0x5
  24 #define ACK_BUSY_B               0x6
  25 #define ACK_DATA_ERROR           0xd
  26 #define ACK_TYPE_ERROR           0xe
  27
  28 #define ACK_DONE(a)  ((a >> 2) == 0)
  29 #define ACK_BUSY(a)  ((a >> 2) == 1)
  30 #define ACK_ERROR(a) ((a >> 2) == 3)
  31
  32 #define SPEED_100                0x0
  33 #define SPEED_200                0x1
  34 #define SPEED_400                0x2
  35
  36 struct phy_packet {
  37   unsigned long timestamp;
  38
  39   union {
  40     struct {
  41       unsigned int zero : 24;
  42       unsigned int phy_id : 6;
  43       unsigned int identifier : 2;
  44     } common, link_on;
  45     struct {
  46       unsigned int zero : 16;
  47       unsigned int gap_count : 6;
  48       unsigned int set_gap_count : 1;
  49       unsigned int set_root : 1;
  50       unsigned int root_id : 6;
  51       unsigned int identifier : 2;
  52     } phy_config;
  53     struct {
  54       unsigned int more_packets : 1;
  55       unsigned int initiated_reset : 1;
  56       unsigned int port2 : 2;
  57       unsigned int port1 : 2;
  58       unsigned int port0 : 2;
  59       unsigned int power_class : 3;
  60       unsigned int contender : 1;
  61       unsigned int phy_delay : 2;
  62       unsigned int phy_speed : 2;
  63       unsigned int gap_count : 6;
  64       unsigned int link_active : 1;
  65       unsigned int extended : 1;
  66       unsigned int phy_id : 6;
  67       unsigned int identifier : 2;
  68     } self_id;
  69
  70     struct {
  71       unsigned int more_packets : 1;
  72       unsigned int reserved1 : 1;
  73       unsigned int porth : 2;
  74       unsigned int portg : 2;
  75       unsigned int portf : 2;
  76       unsigned int porte : 2;
  77       unsigned int portd : 2;
  78       unsigned int portc : 2;
  79       unsigned int portb : 2;
  80       unsigned int porta : 2;
  81       unsigned int reserved0 : 2;
  82       unsigned int sequence : 3;
  83       unsigned int extended : 1;
  84       unsigned int phy_id : 6;
  85       unsigned int identifier : 2;
  86     } ext_self_id;
  87   };
  88
  89   unsigned long inverted;
  90   unsigned long ack;
  91 };
  92
  93 #define PHY_PACKET_CONFIGURATION 0x00
  94 #define PHY_PACKET_LINK_ON 0x01
  95 #define PHY_PACKET_SELF_ID 0x02
  96
  97 struct link_packet {
  98   unsigned long timestamp;
  99
 100   union {
 101     struct {
 102       unsigned int priority : 4;
 103       unsigned int tcode : 4;
 104       unsigned int rt : 2;
 105       unsigned int tlabel : 6;
 106       unsigned int destination : 16;
 107
 108       unsigned int offset_high : 16;
 109       unsigned int source : 16;
 110
 111       unsigned long offset_low;
 112     } common;
 113
 114     struct {
 115       unsigned int priority : 4;
 116       unsigned int tcode : 4;
 117       unsigned int rt : 2;
 118       unsigned int tlabel : 6;
 119       unsigned int destination : 16;
 120
 121       unsigned int offset_high : 16;
 122       unsigned int source : 16;
 123
 124       unsigned long offset_low;
 125
 126       unsigned long crc;
 127     } read_quadlet;
 128
 129     struct {
 130       unsigned int priority : 4;
 131       unsigned int tcode : 4;
 132       unsigned int rt : 2;
 133       unsigned int tlabel : 6;
 134       unsigned int destination : 16;
 135
 136       unsigned int reserved0 : 12;
 137       unsigned int rcode : 4;
 138       unsigned int source : 16;
 139
 140       unsigned long reserved1;
 141
 142       unsigned long data;
 143
 144       unsigned long crc;
 145     } read_quadlet_response;
 146
 147     struct {
 148       unsigned int priority : 4;
 149       unsigned int tcode : 4;
 150       unsigned int rt : 2;
 151       unsigned int tlabel : 6;
 152       unsigned int destination : 16;
 153
 154       unsigned int offset_high : 16;
 155       unsigned int source : 16;
 156
 157       unsigned long offset_low;
 158
 159       unsigned int extended_tcode : 16;
 160       unsigned int data_length : 16;
 161
 162       unsigned long crc;
 163     } read_block;
 164
 165     struct {
 166       unsigned int priority : 4;
 167       unsigned int tcode : 4;
 168       unsigned int rt : 2;
 169       unsigned int tlabel : 6;
 170       unsigned int destination : 16;
 171
 172       unsigned int reserved0 : 12;
 173       unsigned int rcode : 4;
 174       unsigned int source : 16;
 175
 176       unsigned long reserved1;
 177
 178       unsigned int extended_tcode : 16;
 179       unsigned int data_length : 16;
 180
 181       unsigned long crc;
 182
 183       unsigned long data[0];
 184
 185       /* crc and ack follows. */
 186
 187     } read_block_response;
 188
 189     struct {
 190       unsigned int priority : 4;
 191       unsigned int tcode : 4;
 192       unsigned int rt : 2;
 193       unsigned int tlabel : 6;
 194       unsigned int destination : 16;
 195
 196       unsigned int offset_high : 16;
 197       unsigned int source : 16;
 198
 199       unsigned long offset_low;
 200
 201       unsigned long data;
 202
 203       unsigned long crc;
 204
 205     } write_quadlet;
 206
 207     struct {
 208       unsigned int priority : 4;
 209       unsigned int tcode : 4;
 210       unsigned int rt : 2;
 211       unsigned int tlabel : 6;
 212       unsigned int destination : 16;
 213
 214       unsigned int offset_high : 16;
 215       unsigned int source : 16;
 216
 217       unsigned int offset_low : 32;
 218
 219       unsigned int extended_tcode : 16;
 220       unsigned int data_length : 16;
 221
 222       unsigned long crc;
 223       unsigned long data[0];
 224
 225       /* crc and ack follows. */
 226
 227     } write_block;
 228
 229     struct {
 230       unsigned int priority : 4;
 231       unsigned int tcode : 4;
 232       unsigned int rt : 2;
 233       unsigned int tlabel : 6;
 234       unsigned int destination : 16;
 235
 236       unsigned int reserved0 : 12;
 237       unsigned int rcode : 4;
 238       unsigned int source : 16;
 239
 240       unsigned long reserved1;
 241
 242       unsigned long crc;
 243     } write_response;
 244
 245     struct {
 246       unsigned int priority : 4;
 247       unsigned int tcode : 4;
 248       unsigned int rt : 2;
 249       unsigned int tlabel : 6;
 250       unsigned int destination : 16;
 251
 252       unsigned int offset_high : 16;
 253       unsigned int source : 16;
 254
 255       unsigned long offset_low;
 256
 257       unsigned long data;
 258
 259       unsigned long crc;
 260     } cycle_start;
 261
 262     struct {
 263       unsigned int sy : 4;
 264       unsigned int tcode : 4;
 265       unsigned int channel : 6;
 266       unsigned int tag : 2;
 267       unsigned int data_length : 16;
 268
 269       unsigned long crc;
 270     } iso_data;
 271
 272   };
 273
 274 };
 275
 276 struct subaction {
 277   unsigned long ack;
 278   size_t length;
 279   struct list link;
 280   struct link_packet packet;
 281 };
 282
 283 struct link_transaction {
 284   int request_node, response_node, tlabel;
 285   struct subaction *request, *response;
 286   struct list request_list, response_list;
 287   struct list link;
 288 };
 289
 290 int decode_fcp(struct link_transaction *t);
 291
 292 #endif /* __nosy_dump_h__ */