mpspec.h 4.4 KB

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  1. #ifndef _ASM_X86_MPSPEC_H
  2. #define _ASM_X86_MPSPEC_H
  3. #include <linux/init.h>
  4. #include <asm/mpspec_def.h>
  5. extern int apic_version[MAX_APICS];
  6. extern int pic_mode;
  7. #ifdef CONFIG_X86_32
  8. /*
  9. * Summit or generic (i.e. installer) kernels need lots of bus entries.
  10. * Maximum 256 PCI busses, plus 1 ISA bus in each of 4 cabinets.
  11. */
  12. #if CONFIG_BASE_SMALL == 0
  13. # define MAX_MP_BUSSES 260
  14. #else
  15. # define MAX_MP_BUSSES 32
  16. #endif
  17. #define MAX_IRQ_SOURCES 256
  18. extern unsigned int def_to_bigsmp;
  19. extern u8 apicid_2_node[];
  20. #ifdef CONFIG_X86_NUMAQ
  21. extern int mp_bus_id_to_node[MAX_MP_BUSSES];
  22. extern int mp_bus_id_to_local[MAX_MP_BUSSES];
  23. extern int quad_local_to_mp_bus_id [NR_CPUS/4][4];
  24. #endif
  25. #define MAX_APICID 256
  26. #else /* CONFIG_X86_64: */
  27. #define MAX_MP_BUSSES 256
  28. /* Each PCI slot may be a combo card with its own bus. 4 IRQ pins per slot. */
  29. #define MAX_IRQ_SOURCES (MAX_MP_BUSSES * 4)
  30. #endif /* CONFIG_X86_64 */
  31. extern void early_find_smp_config(void);
  32. extern void early_get_smp_config(void);
  33. #if defined(CONFIG_MCA) || defined(CONFIG_EISA)
  34. extern int mp_bus_id_to_type[MAX_MP_BUSSES];
  35. #endif
  36. extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
  37. extern unsigned int boot_cpu_physical_apicid;
  38. extern unsigned int max_physical_apicid;
  39. extern int smp_found_config;
  40. extern int mpc_default_type;
  41. extern unsigned long mp_lapic_addr;
  42. extern void get_smp_config(void);
  43. #ifdef CONFIG_X86_MPPARSE
  44. extern void find_smp_config(void);
  45. extern void early_reserve_e820_mpc_new(void);
  46. extern int enable_update_mptable;
  47. #else
  48. static inline void find_smp_config(void) { }
  49. static inline void early_reserve_e820_mpc_new(void) { }
  50. #define enable_update_mptable 0
  51. #endif
  52. void __cpuinit generic_processor_info(int apicid, int version);
  53. #ifdef CONFIG_ACPI
  54. extern void mp_register_ioapic(int id, u32 address, u32 gsi_base);
  55. extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
  56. u32 gsi);
  57. extern void mp_config_acpi_legacy_irqs(void);
  58. struct device;
  59. extern int mp_register_gsi(struct device *dev, u32 gsi, int edge_level,
  60. int active_high_low);
  61. extern int acpi_probe_gsi(void);
  62. #ifdef CONFIG_X86_IO_APIC
  63. extern int mp_find_ioapic(int gsi);
  64. extern int mp_find_ioapic_pin(int ioapic, int gsi);
  65. #endif
  66. #else /* !CONFIG_ACPI: */
  67. static inline int acpi_probe_gsi(void)
  68. {
  69. return 0;
  70. }
  71. #endif /* CONFIG_ACPI */
  72. #define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_APICS)
  73. struct physid_mask {
  74. unsigned long mask[PHYSID_ARRAY_SIZE];
  75. };
  76. typedef struct physid_mask physid_mask_t;
  77. #define physid_set(physid, map) set_bit(physid, (map).mask)
  78. #define physid_clear(physid, map) clear_bit(physid, (map).mask)
  79. #define physid_isset(physid, map) test_bit(physid, (map).mask)
  80. #define physid_test_and_set(physid, map) \
  81. test_and_set_bit(physid, (map).mask)
  82. #define physids_and(dst, src1, src2) \
  83. bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
  84. #define physids_or(dst, src1, src2) \
  85. bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
  86. #define physids_clear(map) \
  87. bitmap_zero((map).mask, MAX_APICS)
  88. #define physids_complement(dst, src) \
  89. bitmap_complement((dst).mask, (src).mask, MAX_APICS)
  90. #define physids_empty(map) \
  91. bitmap_empty((map).mask, MAX_APICS)
  92. #define physids_equal(map1, map2) \
  93. bitmap_equal((map1).mask, (map2).mask, MAX_APICS)
  94. #define physids_weight(map) \
  95. bitmap_weight((map).mask, MAX_APICS)
  96. #define physids_shift_right(d, s, n) \
  97. bitmap_shift_right((d).mask, (s).mask, n, MAX_APICS)
  98. #define physids_shift_left(d, s, n) \
  99. bitmap_shift_left((d).mask, (s).mask, n, MAX_APICS)
  100. #define physids_coerce(map) ((map).mask[0])
  101. #define physids_promote(physids) \
  102. ({ \
  103. physid_mask_t __physid_mask = PHYSID_MASK_NONE; \
  104. __physid_mask.mask[0] = physids; \
  105. __physid_mask; \
  106. })
  107. /* Note: will create very large stack frames if physid_mask_t is big */
  108. #define physid_mask_of_physid(physid) \
  109. ({ \
  110. physid_mask_t __physid_mask = PHYSID_MASK_NONE; \
  111. physid_set(physid, __physid_mask); \
  112. __physid_mask; \
  113. })
  114. static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map)
  115. {
  116. physids_clear(*map);
  117. physid_set(physid, *map);
  118. }
  119. #define PHYSID_MASK_ALL { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }
  120. #define PHYSID_MASK_NONE { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }
  121. extern physid_mask_t phys_cpu_present_map;
  122. extern int generic_mps_oem_check(struct mpc_table *, char *, char *);
  123. extern int default_acpi_madt_oem_check(char *, char *);
  124. #endif /* _ASM_X86_MPSPEC_H */