nosy-dump.h 3.2 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef __nosy_dump_h__
  3. #define __nosy_dump_h__
  4. #define array_length(array) (sizeof(array) / sizeof(array[0]))
  5. #define ACK_NO_ACK 0x0
  6. #define ACK_DONE(a) ((a >> 2) == 0)
  7. #define ACK_BUSY(a) ((a >> 2) == 1)
  8. #define ACK_ERROR(a) ((a >> 2) == 3)
  9. #include <stdint.h>
  10. struct phy_packet {
  11. uint32_t timestamp;
  12. union {
  13. struct {
  14. uint32_t zero:24;
  15. uint32_t phy_id:6;
  16. uint32_t identifier:2;
  17. } common, link_on;
  18. struct {
  19. uint32_t zero:16;
  20. uint32_t gap_count:6;
  21. uint32_t set_gap_count:1;
  22. uint32_t set_root:1;
  23. uint32_t root_id:6;
  24. uint32_t identifier:2;
  25. } phy_config;
  26. struct {
  27. uint32_t more_packets:1;
  28. uint32_t initiated_reset:1;
  29. uint32_t port2:2;
  30. uint32_t port1:2;
  31. uint32_t port0:2;
  32. uint32_t power_class:3;
  33. uint32_t contender:1;
  34. uint32_t phy_delay:2;
  35. uint32_t phy_speed:2;
  36. uint32_t gap_count:6;
  37. uint32_t link_active:1;
  38. uint32_t extended:1;
  39. uint32_t phy_id:6;
  40. uint32_t identifier:2;
  41. } self_id;
  42. struct {
  43. uint32_t more_packets:1;
  44. uint32_t reserved1:1;
  45. uint32_t porth:2;
  46. uint32_t portg:2;
  47. uint32_t portf:2;
  48. uint32_t porte:2;
  49. uint32_t portd:2;
  50. uint32_t portc:2;
  51. uint32_t portb:2;
  52. uint32_t porta:2;
  53. uint32_t reserved0:2;
  54. uint32_t sequence:3;
  55. uint32_t extended:1;
  56. uint32_t phy_id:6;
  57. uint32_t identifier:2;
  58. } ext_self_id;
  59. };
  60. uint32_t inverted;
  61. uint32_t ack;
  62. };
  63. #define TCODE_PHY_PACKET 0x10
  64. #define PHY_PACKET_CONFIGURATION 0x00
  65. #define PHY_PACKET_LINK_ON 0x01
  66. #define PHY_PACKET_SELF_ID 0x02
  67. struct link_packet {
  68. uint32_t timestamp;
  69. union {
  70. struct {
  71. uint32_t priority:4;
  72. uint32_t tcode:4;
  73. uint32_t rt:2;
  74. uint32_t tlabel:6;
  75. uint32_t destination:16;
  76. uint32_t offset_high:16;
  77. uint32_t source:16;
  78. uint32_t offset_low;
  79. } common;
  80. struct {
  81. uint32_t common[3];
  82. uint32_t crc;
  83. } read_quadlet;
  84. struct {
  85. uint32_t common[3];
  86. uint32_t data;
  87. uint32_t crc;
  88. } read_quadlet_response;
  89. struct {
  90. uint32_t common[3];
  91. uint32_t extended_tcode:16;
  92. uint32_t data_length:16;
  93. uint32_t crc;
  94. } read_block;
  95. struct {
  96. uint32_t common[3];
  97. uint32_t extended_tcode:16;
  98. uint32_t data_length:16;
  99. uint32_t crc;
  100. uint32_t data[0];
  101. /* crc and ack follows. */
  102. } read_block_response;
  103. struct {
  104. uint32_t common[3];
  105. uint32_t data;
  106. uint32_t crc;
  107. } write_quadlet;
  108. struct {
  109. uint32_t common[3];
  110. uint32_t extended_tcode:16;
  111. uint32_t data_length:16;
  112. uint32_t crc;
  113. uint32_t data[0];
  114. /* crc and ack follows. */
  115. } write_block;
  116. struct {
  117. uint32_t common[3];
  118. uint32_t crc;
  119. } write_response;
  120. struct {
  121. uint32_t common[3];
  122. uint32_t data;
  123. uint32_t crc;
  124. } cycle_start;
  125. struct {
  126. uint32_t sy:4;
  127. uint32_t tcode:4;
  128. uint32_t channel:6;
  129. uint32_t tag:2;
  130. uint32_t data_length:16;
  131. uint32_t crc;
  132. } iso_data;
  133. };
  134. };
  135. struct subaction {
  136. uint32_t ack;
  137. size_t length;
  138. struct list link;
  139. struct link_packet packet;
  140. };
  141. struct link_transaction {
  142. int request_node, response_node, tlabel;
  143. struct subaction *request, *response;
  144. struct list request_list, response_list;
  145. struct list link;
  146. };
  147. int decode_fcp(struct link_transaction *t);
  148. #endif /* __nosy_dump_h__ */