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ionic-abi.h

ionic-abi.h 1.7 KB
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  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
    2. 

  2. /* Copyright (C) 2018-2025, Advanced Micro Devices, Inc */
    3. 

  3. 

  4. #ifndef IONIC_ABI_H
    5. 

  5. #define IONIC_ABI_H
    6. 

  6. 

  7. #include <linux/types.h>
    8. 

  8. 

  9. #define IONIC_ABI_VERSION	1
    10. 

  10. 

  11. #define IONIC_EXPDB_64		1
    12. 

  12. #define IONIC_EXPDB_128		2
    13. 

  13. #define IONIC_EXPDB_256		4
    14. 

  14. #define IONIC_EXPDB_512		8
    15. 

  15. 

  16. #define IONIC_EXPDB_SQ		1
    17. 

  17. #define IONIC_EXPDB_RQ		2
    18. 

  18. 

  19. #define IONIC_CMB_ENABLE	1
    20. 

  20. #define IONIC_CMB_REQUIRE	2
    21. 

  21. #define IONIC_CMB_EXPDB		4
    22. 

  22. #define IONIC_CMB_WC		8
    23. 

  23. #define IONIC_CMB_UC		16
    24. 

  24. 

  25. struct ionic_ctx_req {
    26. 

  26. 	__u32 rsvd[2];
    27. 

  27. };
    28. 

  28. 

  29. struct ionic_ctx_resp {
    30. 

  30. 	__u32 rsvd;
    31. 

  31. 	__u32 page_shift;
    32. 

  32. 

  33. 	__aligned_u64 dbell_offset;
    34. 

  34. 

  35. 	__u16 version;
    36. 

  36. 	__u8 qp_opcodes;
    37. 

  37. 	__u8 admin_opcodes;
    38. 

  38. 

  39. 	__u8 sq_qtype;
    40. 

  40. 	__u8 rq_qtype;
    41. 

  41. 	__u8 cq_qtype;
    42. 

  42. 	__u8 admin_qtype;
    43. 

  43. 

  44. 	__u8 max_stride;
    45. 

  45. 	__u8 max_spec;
    46. 

  46. 	__u8 udma_count;
    47. 

  47. 	__u8 expdb_mask;
    48. 

  48. 	__u8 expdb_qtypes;
    49. 

  49. 

  50. 	__u8 rsvd2[3];
    51. 

  51. };
    52. 

  52. 

  53. struct ionic_qdesc {
    54. 

  54. 	__aligned_u64 addr;
    55. 

  55. 	__u32 size;
    56. 

  56. 	__u16 mask;
    57. 

  57. 	__u8 depth_log2;
    58. 

  58. 	__u8 stride_log2;
    59. 

  59. };
    60. 

  60. 

  61. struct ionic_ah_resp {
    62. 

  62. 	__u32 ahid;
    63. 

  63. 	__u32 pad;
    64. 

  64. };
    65. 

  65. 

  66. struct ionic_cq_req {
    67. 

  67. 	struct ionic_qdesc cq[2];
    68. 

  68. 	__u8 udma_mask;
    69. 

  69. 	__u8 rsvd[7];
    70. 

  70. };
    71. 

  71. 

  72. struct ionic_cq_resp {
    73. 

  73. 	__u32 cqid[2];
    74. 

  74. 	__u8 udma_mask;
    75. 

  75. 	__u8 rsvd[7];
    76. 

  76. };
    77. 

  77. 

  78. struct ionic_qp_req {
    79. 

  79. 	struct ionic_qdesc sq;
    80. 

  80. 	struct ionic_qdesc rq;
    81. 

  81. 	__u8 sq_spec;
    82. 

  82. 	__u8 rq_spec;
    83. 

  83. 	__u8 sq_cmb;
    84. 

  84. 	__u8 rq_cmb;
    85. 

  85. 	__u8 udma_mask;
    86. 

  86. 	__u8 rsvd[3];
    87. 

  87. };
    88. 

  88. 

  89. struct ionic_qp_resp {
    90. 

  90. 	__u32 qpid;
    91. 

  91. 	__u8 sq_cmb;
    92. 

  92. 	__u8 rq_cmb;
    93. 

  93. 	__u8 udma_idx;
    94. 

  94. 	__u8 rsvd[1];
    95. 

  95. 	__aligned_u64 sq_cmb_offset;
    96. 

  96. 	__aligned_u64 rq_cmb_offset;
    97. 

  97. };
    98. 

  98. 

  99. struct ionic_srq_req {
    100. 

  100. 	struct ionic_qdesc rq;
    101. 

  101. 	__u8 rq_spec;
    102. 

  102. 	__u8 rq_cmb;
    103. 

  103. 	__u8 udma_mask;
    104. 

  104. 	__u8 rsvd[5];
    105. 

  105. };
    106. 

  106. 

  107. struct ionic_srq_resp {
    108. 

  108. 	__u32 qpid;
    109. 

  109. 	__u8 rq_cmb;
    110. 

  110. 	__u8 udma_idx;
    111. 

  111. 	__u8 rsvd[2];
    112. 

  112. 	__aligned_u64 rq_cmb_offset;
    113. 

  113. };
    114. 

  114. 

  115. #endif /* IONIC_ABI_H */
    116.