/arch/powerpc/include/asm/firmware.h

http://github.com/mirrors/linux · C Header · 142 lines · 116 code · 14 blank · 12 comment · 0 complexity · bfd591fb6d34bb08ef3ac2b59f027963 MD5 · raw file 

    

  1. /* SPDX-License-Identifier: GPL-2.0-or-later */
    2. 

  2. /*
    3. 

  3.  *  Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
    4. 

  4.  *
    5. 

  5.  *  Modifications for ppc64:
    6. 

  6.  *      Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
    7. 

  7.  */
    8. 

  8. #ifndef __ASM_POWERPC_FIRMWARE_H
    9. 

  9. #define __ASM_POWERPC_FIRMWARE_H
    10. 

  10. 

  11. #ifdef __KERNEL__
    12. 

  12. 

  13. #include <asm/asm-const.h>
    14. 

  14. 

  15. /* firmware feature bitmask values */
    16. 

  16. 

  17. #define FW_FEATURE_PFT		ASM_CONST(0x0000000000000001)
    18. 

  18. #define FW_FEATURE_TCE		ASM_CONST(0x0000000000000002)
    19. 

  19. #define FW_FEATURE_SPRG0	ASM_CONST(0x0000000000000004)
    20. 

  20. #define FW_FEATURE_DABR		ASM_CONST(0x0000000000000008)
    21. 

  21. #define FW_FEATURE_COPY		ASM_CONST(0x0000000000000010)
    22. 

  22. #define FW_FEATURE_ASR		ASM_CONST(0x0000000000000020)
    23. 

  23. #define FW_FEATURE_DEBUG	ASM_CONST(0x0000000000000040)
    24. 

  24. #define FW_FEATURE_TERM		ASM_CONST(0x0000000000000080)
    25. 

  25. #define FW_FEATURE_PERF		ASM_CONST(0x0000000000000100)
    26. 

  26. #define FW_FEATURE_DUMP		ASM_CONST(0x0000000000000200)
    27. 

  27. #define FW_FEATURE_INTERRUPT	ASM_CONST(0x0000000000000400)
    28. 

  28. #define FW_FEATURE_MIGRATE	ASM_CONST(0x0000000000000800)
    29. 

  29. #define FW_FEATURE_PERFMON	ASM_CONST(0x0000000000001000)
    30. 

  30. #define FW_FEATURE_CRQ		ASM_CONST(0x0000000000002000)
    31. 

  31. #define FW_FEATURE_VIO		ASM_CONST(0x0000000000004000)
    32. 

  32. #define FW_FEATURE_RDMA		ASM_CONST(0x0000000000008000)
    33. 

  33. #define FW_FEATURE_LLAN		ASM_CONST(0x0000000000010000)
    34. 

  34. #define FW_FEATURE_BULK_REMOVE	ASM_CONST(0x0000000000020000)
    35. 

  35. #define FW_FEATURE_XDABR	ASM_CONST(0x0000000000040000)
    36. 

  36. #define FW_FEATURE_PUT_TCE_IND	ASM_CONST(0x0000000000080000)
    37. 

  37. #define FW_FEATURE_SPLPAR	ASM_CONST(0x0000000000100000)
    38. 

  38. #define FW_FEATURE_LPAR		ASM_CONST(0x0000000000400000)
    39. 

  39. #define FW_FEATURE_PS3_LV1	ASM_CONST(0x0000000000800000)
    40. 

  40. #define FW_FEATURE_HPT_RESIZE	ASM_CONST(0x0000000001000000)
    41. 

  41. #define FW_FEATURE_CMO		ASM_CONST(0x0000000002000000)
    42. 

  42. #define FW_FEATURE_VPHN		ASM_CONST(0x0000000004000000)
    43. 

  43. #define FW_FEATURE_XCMO		ASM_CONST(0x0000000008000000)
    44. 

  44. #define FW_FEATURE_OPAL		ASM_CONST(0x0000000010000000)
    45. 

  45. #define FW_FEATURE_SET_MODE	ASM_CONST(0x0000000040000000)
    46. 

  46. #define FW_FEATURE_BEST_ENERGY	ASM_CONST(0x0000000080000000)
    47. 

  47. #define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000)
    48. 

  48. #define FW_FEATURE_PRRN		ASM_CONST(0x0000000200000000)
    49. 

  49. #define FW_FEATURE_DRMEM_V2	ASM_CONST(0x0000000400000000)
    50. 

  50. #define FW_FEATURE_DRC_INFO	ASM_CONST(0x0000000800000000)
    51. 

  51. #define FW_FEATURE_BLOCK_REMOVE ASM_CONST(0x0000001000000000)
    52. 

  52. #define FW_FEATURE_PAPR_SCM 	ASM_CONST(0x0000002000000000)
    53. 

  53. #define FW_FEATURE_ULTRAVISOR	ASM_CONST(0x0000004000000000)
    54. 

  54. #define FW_FEATURE_STUFF_TCE	ASM_CONST(0x0000008000000000)
    55. 

  55. 

  56. #ifndef __ASSEMBLY__
    57. 

  57. 

  58. enum {
    59. 

  59. #ifdef CONFIG_PPC64
    60. 

  60. 	FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE |
    61. 

  61. 		FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY |
    62. 

  62. 		FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM |
    63. 

  63. 		FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
    64. 

  64. 		FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
    65. 

  65. 		FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
    66. 

  66. 		FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR |
    67. 

  67. 		FW_FEATURE_PUT_TCE_IND | FW_FEATURE_STUFF_TCE |
    68. 

  68. 		FW_FEATURE_SPLPAR | FW_FEATURE_LPAR |
    69. 

  69. 		FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO |
    70. 

  70. 		FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY |
    71. 

  71. 		FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN |
    72. 

  72. 		FW_FEATURE_HPT_RESIZE | FW_FEATURE_DRMEM_V2 |
    73. 

  73. 		FW_FEATURE_DRC_INFO | FW_FEATURE_BLOCK_REMOVE |
    74. 

  74. 		FW_FEATURE_PAPR_SCM | FW_FEATURE_ULTRAVISOR,
    75. 

  75. 	FW_FEATURE_PSERIES_ALWAYS = 0,
    76. 

  76. 	FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_ULTRAVISOR,
    77. 

  77. 	FW_FEATURE_POWERNV_ALWAYS = 0,
    78. 

  78. 	FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
    79. 

  79. 	FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
    80. 

  80. 	FW_FEATURE_NATIVE_POSSIBLE = 0,
    81. 

  81. 	FW_FEATURE_NATIVE_ALWAYS = 0,
    82. 

  82. 	FW_FEATURE_POSSIBLE =
    83. 

  83. #ifdef CONFIG_PPC_PSERIES
    84. 

  84. 		FW_FEATURE_PSERIES_POSSIBLE |
    85. 

  85. #endif
    86. 

  86. #ifdef CONFIG_PPC_POWERNV
    87. 

  87. 		FW_FEATURE_POWERNV_POSSIBLE |
    88. 

  88. #endif
    89. 

  89. #ifdef CONFIG_PPC_PS3
    90. 

  90. 		FW_FEATURE_PS3_POSSIBLE |
    91. 

  91. #endif
    92. 

  92. #ifdef CONFIG_PPC_NATIVE
    93. 

  93. 		FW_FEATURE_NATIVE_ALWAYS |
    94. 

  94. #endif
    95. 

  95. 		0,
    96. 

  96. 	FW_FEATURE_ALWAYS =
    97. 

  97. #ifdef CONFIG_PPC_PSERIES
    98. 

  98. 		FW_FEATURE_PSERIES_ALWAYS &
    99. 

  99. #endif
    100. 

  100. #ifdef CONFIG_PPC_POWERNV
    101. 

  101. 		FW_FEATURE_POWERNV_ALWAYS &
    102. 

  102. #endif
    103. 

  103. #ifdef CONFIG_PPC_PS3
    104. 

  104. 		FW_FEATURE_PS3_ALWAYS &
    105. 

  105. #endif
    106. 

  106. #ifdef CONFIG_PPC_NATIVE
    107. 

  107. 		FW_FEATURE_NATIVE_ALWAYS &
    108. 

  108. #endif
    109. 

  109. 		FW_FEATURE_POSSIBLE,
    110. 

  110. 

  111. #else /* CONFIG_PPC64 */
    112. 

  112. 	FW_FEATURE_POSSIBLE = 0,
    113. 

  113. 	FW_FEATURE_ALWAYS = 0,
    114. 

  114. #endif
    115. 

  115. };
    116. 

  116. 

  117. /* This is used to identify firmware features which are available
    118. 

  118.  * to the kernel.
    119. 

  119.  */
    120. 

  120. extern unsigned long	powerpc_firmware_features;
    121. 

  121. 

  122. #define firmware_has_feature(feature)					\
    123. 

  123. 	((FW_FEATURE_ALWAYS & (feature)) ||				\
    124. 

  124. 		(FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
    125. 

  125. 

  126. extern void system_reset_fwnmi(void);
    127. 

  127. extern void machine_check_fwnmi(void);
    128. 

  128. 

  129. /* This is true if we are using the firmware NMI handler (typically LPAR) */
    130. 

  130. extern int fwnmi_active;
    131. 

  131. 

  132. extern unsigned int __start___fw_ftr_fixup, __stop___fw_ftr_fixup;
    133. 

  133. 

  134. #ifdef CONFIG_PPC_PSERIES
    135. 

  135. void pseries_probe_fw_features(void);
    136. 

  136. #else
    137. 

  137. static inline void pseries_probe_fw_features(void) { };
    138. 

  138. #endif
    139. 

  139. 

  140. #endif /* __ASSEMBLY__ */
    141. 

  141. #endif /* __KERNEL__ */
    142. 

  142. #endif /* __ASM_POWERPC_FIRMWARE_H */
    143.