mpspec.h 4.6 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. #include <asm/x86_init.h>
  6. #include <asm/apicdef.h>
  7. extern int apic_version[];
  8. extern int pic_mode;
  9. #ifdef CONFIG_X86_32
  10. /*
  11. * Summit or generic (i.e. installer) kernels need lots of bus entries.
  12. * Maximum 256 PCI busses, plus 1 ISA bus in each of 4 cabinets.
  13. */
  14. #if CONFIG_BASE_SMALL == 0
  15. # define MAX_MP_BUSSES 260
  16. #else
  17. # define MAX_MP_BUSSES 32
  18. #endif
  19. #define MAX_IRQ_SOURCES 256
  20. extern unsigned int def_to_bigsmp;
  21. #ifdef CONFIG_X86_NUMAQ
  22. extern int mp_bus_id_to_node[MAX_MP_BUSSES];
  23. extern int mp_bus_id_to_local[MAX_MP_BUSSES];
  24. extern int quad_local_to_mp_bus_id [NR_CPUS/4][4];
  25. #endif
  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. #if defined(CONFIG_MCA) || defined(CONFIG_EISA)
  32. extern int mp_bus_id_to_type[MAX_MP_BUSSES];
  33. #endif
  34. extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
  35. extern unsigned int boot_cpu_physical_apicid;
  36. extern unsigned int max_physical_apicid;
  37. extern int mpc_default_type;
  38. extern unsigned long mp_lapic_addr;
  39. #ifdef CONFIG_X86_LOCAL_APIC
  40. extern int smp_found_config;
  41. #else
  42. # define smp_found_config 0
  43. #endif
  44. static inline void get_smp_config(void)
  45. {
  46. x86_init.mpparse.get_smp_config(0);
  47. }
  48. static inline void early_get_smp_config(void)
  49. {
  50. x86_init.mpparse.get_smp_config(1);
  51. }
  52. static inline void find_smp_config(void)
  53. {
  54. x86_init.mpparse.find_smp_config();
  55. }
  56. #ifdef CONFIG_X86_MPPARSE
  57. extern void early_reserve_e820_mpc_new(void);
  58. extern int enable_update_mptable;
  59. extern int default_mpc_apic_id(struct mpc_cpu *m);
  60. extern void default_smp_read_mpc_oem(struct mpc_table *mpc);
  61. # ifdef CONFIG_X86_IO_APIC
  62. extern void default_mpc_oem_bus_info(struct mpc_bus *m, char *str);
  63. # else
  64. # define default_mpc_oem_bus_info NULL
  65. # endif
  66. extern void default_find_smp_config(void);
  67. extern void default_get_smp_config(unsigned int early);
  68. #else
  69. static inline void early_reserve_e820_mpc_new(void) { }
  70. #define enable_update_mptable 0
  71. #define default_mpc_apic_id NULL
  72. #define default_smp_read_mpc_oem NULL
  73. #define default_mpc_oem_bus_info NULL
  74. #define default_find_smp_config x86_init_noop
  75. #define default_get_smp_config x86_init_uint_noop
  76. #endif
  77. void __cpuinit generic_processor_info(int apicid, int version);
  78. #ifdef CONFIG_ACPI
  79. extern void mp_register_ioapic(int id, u32 address, u32 gsi_base);
  80. extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
  81. u32 gsi);
  82. extern void mp_config_acpi_legacy_irqs(void);
  83. struct device;
  84. extern int mp_register_gsi(struct device *dev, u32 gsi, int edge_level,
  85. int active_high_low);
  86. #endif /* CONFIG_ACPI */
  87. #define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_LOCAL_APIC)
  88. struct physid_mask {
  89. unsigned long mask[PHYSID_ARRAY_SIZE];
  90. };
  91. typedef struct physid_mask physid_mask_t;
  92. #define physid_set(physid, map) set_bit(physid, (map).mask)
  93. #define physid_clear(physid, map) clear_bit(physid, (map).mask)
  94. #define physid_isset(physid, map) test_bit(physid, (map).mask)
  95. #define physid_test_and_set(physid, map) \
  96. test_and_set_bit(physid, (map).mask)
  97. #define physids_and(dst, src1, src2) \
  98. bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APIC)
  99. #define physids_or(dst, src1, src2) \
  100. bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APIC)
  101. #define physids_clear(map) \
  102. bitmap_zero((map).mask, MAX_LOCAL_APIC)
  103. #define physids_complement(dst, src) \
  104. bitmap_complement((dst).mask, (src).mask, MAX_LOCAL_APIC)
  105. #define physids_empty(map) \
  106. bitmap_empty((map).mask, MAX_LOCAL_APIC)
  107. #define physids_equal(map1, map2) \
  108. bitmap_equal((map1).mask, (map2).mask, MAX_LOCAL_APIC)
  109. #define physids_weight(map) \
  110. bitmap_weight((map).mask, MAX_LOCAL_APIC)
  111. #define physids_shift_right(d, s, n) \
  112. bitmap_shift_right((d).mask, (s).mask, n, MAX_LOCAL_APIC)
  113. #define physids_shift_left(d, s, n) \
  114. bitmap_shift_left((d).mask, (s).mask, n, MAX_LOCAL_APIC)
  115. static inline unsigned long physids_coerce(physid_mask_t *map)
  116. {
  117. return map->mask[0];
  118. }
  119. static inline void physids_promote(unsigned long physids, physid_mask_t *map)
  120. {
  121. physids_clear(*map);
  122. map->mask[0] = physids;
  123. }
  124. static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map)
  125. {
  126. physids_clear(*map);
  127. physid_set(physid, *map);
  128. }
  129. #define PHYSID_MASK_ALL { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }
  130. #define PHYSID_MASK_NONE { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }
  131. extern physid_mask_t phys_cpu_present_map;
  132. extern int generic_mps_oem_check(struct mpc_table *, char *, char *);
  133. extern int default_acpi_madt_oem_check(char *, char *);
  134. #endif /* _ASM_X86_MPSPEC_H */