/arch/powerpc/platforms/pseries/pseries.h

http://github.com/mirrors/linux · C Header · 117 lines · 81 code · 27 blank · 9 comment · 0 complexity · a6568caf7548653e4e79a2841abffa08 MD5 · raw file 

    

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

  2. /*
    3. 

  3.  * Copyright 2006 IBM Corporation.
    4. 

  4.  */
    5. 

  5. 

  6. #ifndef _PSERIES_PSERIES_H
    7. 

  7. #define _PSERIES_PSERIES_H
    8. 

  8. 

  9. #include <linux/interrupt.h>
    10. 

  10. #include <asm/rtas.h>
    11. 

  11. 

  12. struct device_node;
    13. 

  13. 

  14. extern void request_event_sources_irqs(struct device_node *np,
    15. 

  15. 				       irq_handler_t handler, const char *name);
    16. 

  16. 

  17. #include <linux/of.h>
    18. 

  18. 

  19. struct pt_regs;
    20. 

  20. 

  21. extern int pSeries_system_reset_exception(struct pt_regs *regs);
    22. 

  22. extern int pSeries_machine_check_exception(struct pt_regs *regs);
    23. 

  23. extern long pseries_machine_check_realmode(struct pt_regs *regs);
    24. 

  24. 

  25. #ifdef CONFIG_SMP
    26. 

  26. extern void smp_init_pseries(void);
    27. 

  27. 

  28. /* Get state of physical CPU from query_cpu_stopped */
    29. 

  29. int smp_query_cpu_stopped(unsigned int pcpu);
    30. 

  30. #define QCSS_STOPPED 0
    31. 

  31. #define QCSS_STOPPING 1
    32. 

  32. #define QCSS_NOT_STOPPED 2
    33. 

  33. #define QCSS_HARDWARE_ERROR -1
    34. 

  34. #define QCSS_HARDWARE_BUSY -2
    35. 

  35. #else
    36. 

  36. static inline void smp_init_pseries(void) { };
    37. 

  37. #endif
    38. 

  38. 

  39. extern void pseries_kexec_cpu_down(int crash_shutdown, int secondary);
    40. 

  40. 

  41. extern void pSeries_final_fixup(void);
    42. 

  42. 

  43. /* Poweron flag used for enabling auto ups restart */
    44. 

  44. extern unsigned long rtas_poweron_auto;
    45. 

  45. 

  46. /* Provided by HVC VIO */
    47. 

  47. extern void hvc_vio_init_early(void);
    48. 

  48. 

  49. /* Dynamic logical Partitioning/Mobility */
    50. 

  50. extern void dlpar_free_cc_nodes(struct device_node *);
    51. 

  51. extern void dlpar_free_cc_property(struct property *);
    52. 

  52. extern struct device_node *dlpar_configure_connector(__be32,
    53. 

  53. 						struct device_node *);
    54. 

  54. extern int dlpar_attach_node(struct device_node *, struct device_node *);
    55. 

  55. extern int dlpar_detach_node(struct device_node *);
    56. 

  56. extern int dlpar_acquire_drc(u32 drc_index);
    57. 

  57. extern int dlpar_release_drc(u32 drc_index);
    58. 

  58. 

  59. void queue_hotplug_event(struct pseries_hp_errorlog *hp_errlog);
    60. 

  60. int handle_dlpar_errorlog(struct pseries_hp_errorlog *hp_errlog);
    61. 

  61. 

  62. #ifdef CONFIG_MEMORY_HOTPLUG
    63. 

  63. int dlpar_memory(struct pseries_hp_errorlog *hp_elog);
    64. 

  64. int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog);
    65. 

  65. #else
    66. 

  66. static inline int dlpar_memory(struct pseries_hp_errorlog *hp_elog)
    67. 

  67. {
    68. 

  68. 	return -EOPNOTSUPP;
    69. 

  69. }
    70. 

  70. static inline int dlpar_hp_pmem(struct pseries_hp_errorlog *hp_elog)
    71. 

  71. {
    72. 

  72. 	return -EOPNOTSUPP;
    73. 

  73. }
    74. 

  74. #endif
    75. 

  75. 

  76. #ifdef CONFIG_HOTPLUG_CPU
    77. 

  77. int dlpar_cpu(struct pseries_hp_errorlog *hp_elog);
    78. 

  78. #else
    79. 

  79. static inline int dlpar_cpu(struct pseries_hp_errorlog *hp_elog)
    80. 

  80. {
    81. 

  81. 	return -EOPNOTSUPP;
    82. 

  82. }
    83. 

  83. #endif
    84. 

  84. 

  85. /* PCI root bridge prepare function override for pseries */
    86. 

  86. struct pci_host_bridge;
    87. 

  87. int pseries_root_bridge_prepare(struct pci_host_bridge *bridge);
    88. 

  88. 

  89. extern struct pci_controller_ops pseries_pci_controller_ops;
    90. 

  90. 

  91. unsigned long pseries_memory_block_size(void);
    92. 

  92. 

  93. extern int CMO_PrPSP;
    94. 

  94. extern int CMO_SecPSP;
    95. 

  95. extern unsigned long CMO_PageSize;
    96. 

  96. 

  97. static inline int cmo_get_primary_psp(void)
    98. 

  98. {
    99. 

  99. 	return CMO_PrPSP;
    100. 

  100. }
    101. 

  101. 

  102. static inline int cmo_get_secondary_psp(void)
    103. 

  103. {
    104. 

  104. 	return CMO_SecPSP;
    105. 

  105. }
    106. 

  106. 

  107. static inline unsigned long cmo_get_page_size(void)
    108. 

  108. {
    109. 

  109. 	return CMO_PageSize;
    110. 

  110. }
    111. 

  111. 

  112. int dlpar_workqueue_init(void);
    113. 

  113. 

  114. void pseries_setup_rfi_flush(void);
    115. 

  115. void pseries_lpar_read_hblkrm_characteristics(void);
    116. 

  116. 

  117. #endif /* _PSERIES_PSERIES_H */
    118.