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linux-libre
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57xx_iscsi_constants.h

57xx_iscsi_constants.h 7.1 KB
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  1. /* 57xx_iscsi_constants.h: QLogic NetXtreme II iSCSI HSI
    2. 

  2.  *
    3. 

  3.  * Copyright (c) 2006 - 2013 Broadcom Corporation
    4. 

  4.  * Copyright (c) 2014, QLogic Corporation
    5. 

  5.  *
    6. 

  6.  * This program is free software; you can redistribute it and/or modify
    7. 

  7.  * it under the terms of the GNU General Public License as published by
    8. 

  8.  * the Free Software Foundation.
    9. 

  9.  *
    10. 

  10.  * Written by: Anil Veerabhadrappa (anilgv@broadcom.com)
    11. 

  11.  * Previously Maintained by: Eddie Wai (eddie.wai@broadcom.com)
    12. 

  12.  * Maintained by: QLogic-Storage-Upstream@qlogic.com
    13. 

  13.  */
    14. 

  14. #ifndef __57XX_ISCSI_CONSTANTS_H_
    15. 

  15. #define __57XX_ISCSI_CONSTANTS_H_
    16. 

  16. 

  17. /**
    18. 

  18. * This file defines HSI constants for the iSCSI flows
    19. 

  19. */
    20. 

  20. 

  21. /* iSCSI request op codes */
    22. 

  22. #define ISCSI_OPCODE_CLEANUP_REQUEST    (7)
    23. 

  23. 

  24. /* iSCSI response/messages op codes */
    25. 

  25. #define ISCSI_OPCODE_CLEANUP_RESPONSE 		(0x27)
    26. 

  26. #define ISCSI_OPCODE_NOPOUT_LOCAL_COMPLETION    (0)
    27. 

  27. 

  28. /* iSCSI task types */
    29. 

  29. #define ISCSI_TASK_TYPE_READ    (0)
    30. 

  30. #define ISCSI_TASK_TYPE_WRITE   (1)
    31. 

  31. #define ISCSI_TASK_TYPE_MPATH   (2)
    32. 

  32. 

  33. /* initial CQ sequence numbers */
    34. 

  34. #define ISCSI_INITIAL_SN    (1)
    35. 

  35. 

  36. /* KWQ (kernel work queue) layer codes */
    37. 

  37. #define ISCSI_KWQE_LAYER_CODE   (6)
    38. 

  38. 

  39. /* KWQ (kernel work queue) request op codes */
    40. 

  40. #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN1 (0)
    41. 

  41. #define ISCSI_KWQE_OPCODE_OFFLOAD_CONN2 (1)
    42. 

  42. #define ISCSI_KWQE_OPCODE_UPDATE_CONN   (2)
    43. 

  43. #define ISCSI_KWQE_OPCODE_DESTROY_CONN  (3)
    44. 

  44. #define ISCSI_KWQE_OPCODE_INIT1         (4)
    45. 

  45. #define ISCSI_KWQE_OPCODE_INIT2         (5)
    46. 

  46. 

  47. /* KCQ (kernel completion queue) response op codes */
    48. 

  48. #define ISCSI_KCQE_OPCODE_OFFLOAD_CONN  (0x10)
    49. 

  49. #define ISCSI_KCQE_OPCODE_UPDATE_CONN   (0x12)
    50. 

  50. #define ISCSI_KCQE_OPCODE_DESTROY_CONN  (0x13)
    51. 

  51. #define ISCSI_KCQE_OPCODE_INIT          (0x14)
    52. 

  52. #define ISCSI_KCQE_OPCODE_FW_CLEAN_TASK	(0x15)
    53. 

  53. #define ISCSI_KCQE_OPCODE_TCP_RESET     (0x16)
    54. 

  54. #define ISCSI_KCQE_OPCODE_TCP_SYN       (0x17)
    55. 

  55. #define ISCSI_KCQE_OPCODE_TCP_FIN       (0X18)
    56. 

  56. #define ISCSI_KCQE_OPCODE_TCP_ERROR     (0x19)
    57. 

  57. #define ISCSI_KCQE_OPCODE_CQ_EVENT_NOTIFICATION (0x20)
    58. 

  58. #define ISCSI_KCQE_OPCODE_ISCSI_ERROR   (0x21)
    59. 

  59. 

  60. /* KCQ (kernel completion queue) completion status */
    61. 

  61. #define ISCSI_KCQE_COMPLETION_STATUS_SUCCESS                            (0x0)
    62. 

  62. #define ISCSI_KCQE_COMPLETION_STATUS_INVALID_OPCODE                     (0x1)
    63. 

  63. #define ISCSI_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE                  (0x2)
    64. 

  64. #define ISCSI_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE                   (0x3)
    65. 

  65. #define ISCSI_KCQE_COMPLETION_STATUS_NIC_ERROR                          (0x4)
    66. 

  66. 

  67. #define ISCSI_KCQE_COMPLETION_STATUS_HDR_DIG_ERR                        (0x5)
    68. 

  68. #define ISCSI_KCQE_COMPLETION_STATUS_DATA_DIG_ERR                       (0x6)
    69. 

  69. 

  70. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_UNEXPECTED_OPCODE     (0xa)
    71. 

  71. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_OPCODE                (0xb)
    72. 

  72. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_AHS_LEN               (0xc)
    73. 

  73. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ITT                   (0xd)
    74. 

  74. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_STATSN                (0xe)
    75. 

  75. 

  76. /* Response */
    77. 

  77. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_EXP_DATASN            (0xf)
    78. 

  78. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T              (0x10)
    79. 

  79. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_IS_ZERO  (0x2c)
    80. 

  80. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG  (0x2d)
    81. 

  81. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_0                 (0x11)
    82. 

  82. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_1                 (0x12)
    83. 

  83. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_2                 (0x13)
    84. 

  84. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_3                 (0x14)
    85. 

  85. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_4                 (0x15)
    86. 

  86. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_5                 (0x16)
    87. 

  87. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_O_U_6                 (0x17)
    88. 

  88. 

  89. /* Data-In */
    90. 

  90. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_RCV_LEN        (0x18)
    91. 

  91. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_RCV_PDU_LEN       (0x19)
    92. 

  92. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_F_BIT_ZERO            (0x1a)
    93. 

  93. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_NOT_RSRV          (0x1b)
    94. 

  94. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATASN                (0x1c)
    95. 

  95. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REMAIN_BURST_LEN      (0x1d)
    96. 

  96. 

  97. /* R2T */
    98. 

  98. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_BUFFER_OFF            (0x1f)
    99. 

  99. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_LUN                   (0x20)
    100. 

  100. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_R2TSN                 (0x21)
    101. 

  101. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0 (0x22)
    102. 

  102. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1 (0x23)
    103. 

  103. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_EXCEED       (0x24)
    104. 

  104. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_TTT_IS_RSRV           (0x25)
    105. 

  105. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_MAX_BURST_LEN         (0x26)
    106. 

  106. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_DATA_SEG_LEN_NOT_ZERO (0x27)
    107. 

  107. 

  108. /* TMF */
    109. 

  109. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_REJECT_PDU_LEN        (0x28)
    110. 

  110. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_ASYNC_PDU_LEN         (0x29)
    111. 

  111. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_NOPIN_PDU_LEN         (0x2a)
    112. 

  112. #define ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_PEND_R2T_IN_CLEANUP   (0x2b)
    113. 

  113. 

  114. /* IP/TCP processing errors: */
    115. 

  115. #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_FRAGMENT               (0x40)
    116. 

  116. #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_IP_OPTIONS                (0x41)
    117. 

  117. #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_URGENT_FLAG               (0x42)
    118. 

  118. #define ISCI_KCQE_COMPLETION_STATUS_TCP_ERROR_MAX_RTRANS                (0x43)
    119. 

  119. 

  120. /* iSCSI licensing errors */
    121. 

  121. /* general iSCSI license not installed */
    122. 

  122. #define ISCSI_KCQE_COMPLETION_STATUS_ISCSI_NOT_SUPPORTED                (0x50)
    123. 

  123. /* additional LOM specific iSCSI license not installed */
    124. 

  124. #define ISCSI_KCQE_COMPLETION_STATUS_LOM_ISCSI_NOT_ENABLED              (0x51)
    125. 

  125. 

  126. #define ISCSI_KCQE_COMPLETION_STATUS_CID_BUSY				(0x80)
    127. 

  127. #define ISCSI_KCQE_COMPLETION_STATUS_PARITY_ERR                         (0x81)
    128. 

  128. 

  129. /* SQ/RQ/CQ DB structure sizes */
    130. 

  130. #define ISCSI_SQ_DB_SIZE    (16)
    131. 

  131. #define ISCSI_RQ_DB_SIZE    (64)
    132. 

  132. #define ISCSI_CQ_DB_SIZE    (80)
    133. 

  133. 

  134. #define ISCSI_SQN_TO_NOTIFY_NOT_VALID                                   0xFFFF
    135. 

  135. 

  136. /* Page size codes (for flags field in connection offload request) */
    137. 

  137. #define ISCSI_PAGE_SIZE_256     (0)
    138. 

  138. #define ISCSI_PAGE_SIZE_512     (1)
    139. 

  139. #define ISCSI_PAGE_SIZE_1K      (2)
    140. 

  140. #define ISCSI_PAGE_SIZE_2K      (3)
    141. 

  141. #define ISCSI_PAGE_SIZE_4K      (4)
    142. 

  142. #define ISCSI_PAGE_SIZE_8K      (5)
    143. 

  143. #define ISCSI_PAGE_SIZE_16K     (6)
    144. 

  144. #define ISCSI_PAGE_SIZE_32K     (7)
    145. 

  145. #define ISCSI_PAGE_SIZE_64K     (8)
    146. 

  146. #define ISCSI_PAGE_SIZE_128K    (9)
    147. 

  147. #define ISCSI_PAGE_SIZE_256K    (10)
    148. 

  148. #define ISCSI_PAGE_SIZE_512K    (11)
    149. 

  149. #define ISCSI_PAGE_SIZE_1M      (12)
    150. 

  150. #define ISCSI_PAGE_SIZE_2M      (13)
    151. 

  151. #define ISCSI_PAGE_SIZE_4M      (14)
    152. 

  152. #define ISCSI_PAGE_SIZE_8M      (15)
    153. 

  153. 

  154. /* Iscsi PDU related defines */
    155. 

  155. #define ISCSI_HEADER_SIZE   (48)
    156. 

  156. #define ISCSI_DIGEST_SHIFT  (2)
    157. 

  157. #define ISCSI_DIGEST_SIZE   (4)
    158. 

  158. 

  159. #define B577XX_ISCSI_CONNECTION_TYPE    3
    160. 

  160. 

  161. #endif /*__57XX_ISCSI_CONSTANTS_H_ */
    162. 

  162.