sbi_ecall_interface.h 3.6 KB

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  1. /*
  2. * SPDX-License-Identifier: BSD-2-Clause
  3. *
  4. * Copyright (c) 2019 Western Digital Corporation or its affiliates.
  5. *
  6. * Authors:
  7. * Anup Patel <anup.patel@wdc.com>
  8. */
  9. #ifndef __SBI_ECALL_INTERFACE_H__
  10. #define __SBI_ECALL_INTERFACE_H__
  11. /* clang-format off */
  12. /* SBI Extension IDs */
  13. #define SBI_EXT_0_1_SET_TIMER 0x0
  14. #define SBI_EXT_0_1_CONSOLE_PUTCHAR 0x1
  15. #define SBI_EXT_0_1_CONSOLE_GETCHAR 0x2
  16. #define SBI_EXT_0_1_CLEAR_IPI 0x3
  17. #define SBI_EXT_0_1_SEND_IPI 0x4
  18. #define SBI_EXT_0_1_REMOTE_FENCE_I 0x5
  19. #define SBI_EXT_0_1_REMOTE_SFENCE_VMA 0x6
  20. #define SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID 0x7
  21. #define SBI_EXT_0_1_SHUTDOWN 0x8
  22. #define SBI_EXT_BASE 0x10
  23. #define SBI_EXT_TIME 0x54494D45
  24. #define SBI_EXT_IPI 0x735049
  25. #define SBI_EXT_RFENCE 0x52464E43
  26. #define SBI_EXT_HSM 0x48534D
  27. #define SBI_EXT_SRST 0x53525354
  28. /* SBI function IDs for BASE extension*/
  29. #define SBI_EXT_BASE_GET_SPEC_VERSION 0x0
  30. #define SBI_EXT_BASE_GET_IMP_ID 0x1
  31. #define SBI_EXT_BASE_GET_IMP_VERSION 0x2
  32. #define SBI_EXT_BASE_PROBE_EXT 0x3
  33. #define SBI_EXT_BASE_GET_MVENDORID 0x4
  34. #define SBI_EXT_BASE_GET_MARCHID 0x5
  35. #define SBI_EXT_BASE_GET_MIMPID 0x6
  36. /* SBI function IDs for TIME extension*/
  37. #define SBI_EXT_TIME_SET_TIMER 0x0
  38. /* SBI function IDs for IPI extension*/
  39. #define SBI_EXT_IPI_SEND_IPI 0x0
  40. /* SBI function IDs for RFENCE extension*/
  41. #define SBI_EXT_RFENCE_REMOTE_FENCE_I 0x0
  42. #define SBI_EXT_RFENCE_REMOTE_SFENCE_VMA 0x1
  43. #define SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID 0x2
  44. #define SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID 0x3
  45. #define SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA 0x4
  46. #define SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID 0x5
  47. #define SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA 0x6
  48. /* SBI function IDs for HSM extension */
  49. #define SBI_EXT_HSM_HART_START 0x0
  50. #define SBI_EXT_HSM_HART_STOP 0x1
  51. #define SBI_EXT_HSM_HART_GET_STATUS 0x2
  52. #define SBI_EXT_HSM_HART_SUSPEND 0x3
  53. #define SBI_HSM_STATE_STARTED 0x0
  54. #define SBI_HSM_STATE_STOPPED 0x1
  55. #define SBI_HSM_STATE_START_PENDING 0x2
  56. #define SBI_HSM_STATE_STOP_PENDING 0x3
  57. #define SBI_HSM_STATE_SUSPENDED 0x4
  58. #define SBI_HSM_STATE_SUSPEND_PENDING 0x5
  59. #define SBI_HSM_STATE_RESUME_PENDING 0x6
  60. #define SBI_HSM_SUSP_BASE_MASK 0x7fffffff
  61. #define SBI_HSM_SUSP_NON_RET_BIT 0x80000000
  62. #define SBI_HSM_SUSP_PLAT_BASE 0x10000000
  63. #define SBI_HSM_SUSPEND_RET_DEFAULT 0x00000000
  64. #define SBI_HSM_SUSPEND_RET_PLATFORM SBI_HSM_SUSP_PLAT_BASE
  65. #define SBI_HSM_SUSPEND_RET_LAST SBI_HSM_SUSP_BASE_MASK
  66. #define SBI_HSM_SUSPEND_NON_RET_DEFAULT SBI_HSM_SUSP_NON_RET_BIT
  67. #define SBI_HSM_SUSPEND_NON_RET_PLATFORM (SBI_HSM_SUSP_NON_RET_BIT | \
  68. SBI_HSM_SUSP_PLAT_BASE)
  69. #define SBI_HSM_SUSPEND_NON_RET_LAST (SBI_HSM_SUSP_NON_RET_BIT | \
  70. SBI_HSM_SUSP_BASE_MASK)
  71. /* SBI function IDs for SRST extension */
  72. #define SBI_EXT_SRST_RESET 0x0
  73. #define SBI_SRST_RESET_TYPE_SHUTDOWN 0x0
  74. #define SBI_SRST_RESET_TYPE_COLD_REBOOT 0x1
  75. #define SBI_SRST_RESET_TYPE_WARM_REBOOT 0x2
  76. #define SBI_SRST_RESET_TYPE_LAST SBI_SRST_RESET_TYPE_WARM_REBOOT
  77. #define SBI_SRST_RESET_REASON_NONE 0x0
  78. #define SBI_SRST_RESET_REASON_SYSFAIL 0x1
  79. #define SBI_SPEC_VERSION_MAJOR_OFFSET 24
  80. #define SBI_SPEC_VERSION_MAJOR_MASK 0x7f
  81. #define SBI_SPEC_VERSION_MINOR_MASK 0xffffff
  82. #define SBI_EXT_VENDOR_START 0x09000000
  83. #define SBI_EXT_VENDOR_END 0x09FFFFFF
  84. #define SBI_EXT_FIRMWARE_START 0x0A000000
  85. #define SBI_EXT_FIRMWARE_END 0x0AFFFFFF
  86. /* SBI return error codes */
  87. #define SBI_SUCCESS 0
  88. #define SBI_ERR_FAILED -1
  89. #define SBI_ERR_NOT_SUPPORTED -2
  90. #define SBI_ERR_INVALID_PARAM -3
  91. #define SBI_ERR_DENIED -4
  92. #define SBI_ERR_INVALID_ADDRESS -5
  93. #define SBI_ERR_ALREADY_AVAILABLE -6
  94. #define SBI_LAST_ERR SBI_ERR_ALREADY_AVAILABLE
  95. /* clang-format on */
  96. #endif