mpspec.h 4.9 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. extern int apic_version[MAX_APICS];
  7. extern int pic_mode;
  8. #ifdef CONFIG_X86_32
  9. /*
  10. * Summit or generic (i.e. installer) kernels need lots of bus entries.
  11. * Maximum 256 PCI busses, plus 1 ISA bus in each of 4 cabinets.
  12. */
  13. #if CONFIG_BASE_SMALL == 0
  14. # define MAX_MP_BUSSES 260
  15. #else
  16. # define MAX_MP_BUSSES 32
  17. #endif
  18. #define MAX_IRQ_SOURCES 256
  19. extern unsigned int def_to_bigsmp;
  20. extern u8 apicid_2_node[];
  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. #define MAX_APICID 256
  27. #else /* CONFIG_X86_64: */
  28. #define MAX_MP_BUSSES 256
  29. /* Each PCI slot may be a combo card with its own bus. 4 IRQ pins per slot. */
  30. #define MAX_IRQ_SOURCES (MAX_MP_BUSSES * 4)
  31. #endif /* CONFIG_X86_64 */
  32. #if defined(CONFIG_MCA) || defined(CONFIG_EISA)
  33. extern int mp_bus_id_to_type[MAX_MP_BUSSES];
  34. #endif
  35. extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
  36. extern unsigned int boot_cpu_physical_apicid;
  37. extern unsigned int max_physical_apicid;
  38. extern int mpc_default_type;
  39. extern unsigned long mp_lapic_addr;
  40. #ifdef CONFIG_X86_LOCAL_APIC
  41. extern int smp_found_config;
  42. #else
  43. # define smp_found_config 0
  44. #endif
  45. static inline void get_smp_config(void)
  46. {
  47. x86_init.mpparse.get_smp_config(0);
  48. }
  49. static inline void early_get_smp_config(void)
  50. {
  51. x86_init.mpparse.get_smp_config(1);
  52. }
  53. static inline void find_smp_config(void)
  54. {
  55. x86_init.mpparse.find_smp_config();
  56. }
  57. #ifdef CONFIG_X86_MPPARSE
  58. extern void early_reserve_e820_mpc_new(void);
  59. extern int enable_update_mptable;
  60. extern int default_mpc_apic_id(struct mpc_cpu *m);
  61. extern void default_smp_read_mpc_oem(struct mpc_table *mpc);
  62. # ifdef CONFIG_X86_IO_APIC
  63. extern void default_mpc_oem_bus_info(struct mpc_bus *m, char *str);
  64. # else
  65. # define default_mpc_oem_bus_info NULL
  66. # endif
  67. extern void default_find_smp_config(void);
  68. extern void default_get_smp_config(unsigned int early);
  69. #else
  70. static inline void early_reserve_e820_mpc_new(void) { }
  71. #define enable_update_mptable 0
  72. #define default_mpc_apic_id NULL
  73. #define default_smp_read_mpc_oem NULL
  74. #define default_mpc_oem_bus_info NULL
  75. #define default_find_smp_config x86_init_noop
  76. #define default_get_smp_config x86_init_uint_noop
  77. #endif
  78. void __cpuinit generic_processor_info(int apicid, int version);
  79. #ifdef CONFIG_ACPI
  80. extern void mp_register_ioapic(int id, u32 address, u32 gsi_base);
  81. extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
  82. u32 gsi);
  83. extern void mp_config_acpi_legacy_irqs(void);
  84. struct device;
  85. extern int mp_register_gsi(struct device *dev, u32 gsi, int edge_level,
  86. int active_high_low);
  87. #endif /* CONFIG_ACPI */
  88. #define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_APICS)
  89. struct physid_mask {
  90. unsigned long mask[PHYSID_ARRAY_SIZE];
  91. };
  92. typedef struct physid_mask physid_mask_t;
  93. #define physid_set(physid, map) set_bit(physid, (map).mask)
  94. #define physid_clear(physid, map) clear_bit(physid, (map).mask)
  95. #define physid_isset(physid, map) test_bit(physid, (map).mask)
  96. #define physid_test_and_set(physid, map) \
  97. test_and_set_bit(physid, (map).mask)
  98. #define physids_and(dst, src1, src2) \
  99. bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
  100. #define physids_or(dst, src1, src2) \
  101. bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
  102. #define physids_clear(map) \
  103. bitmap_zero((map).mask, MAX_APICS)
  104. #define physids_complement(dst, src) \
  105. bitmap_complement((dst).mask, (src).mask, MAX_APICS)
  106. #define physids_empty(map) \
  107. bitmap_empty((map).mask, MAX_APICS)
  108. #define physids_equal(map1, map2) \
  109. bitmap_equal((map1).mask, (map2).mask, MAX_APICS)
  110. #define physids_weight(map) \
  111. bitmap_weight((map).mask, MAX_APICS)
  112. #define physids_shift_right(d, s, n) \
  113. bitmap_shift_right((d).mask, (s).mask, n, MAX_APICS)
  114. #define physids_shift_left(d, s, n) \
  115. bitmap_shift_left((d).mask, (s).mask, n, MAX_APICS)
  116. static inline unsigned long physids_coerce(physid_mask_t *map)
  117. {
  118. return map->mask[0];
  119. }
  120. static inline void physids_promote(unsigned long physids, physid_mask_t *map)
  121. {
  122. physids_clear(*map);
  123. map->mask[0] = physids;
  124. }
  125. /* Note: will create very large stack frames if physid_mask_t is big */
  126. #define physid_mask_of_physid(physid) \
  127. ({ \
  128. physid_mask_t __physid_mask = PHYSID_MASK_NONE; \
  129. physid_set(physid, __physid_mask); \
  130. __physid_mask; \
  131. })
  132. static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map)
  133. {
  134. physids_clear(*map);
  135. physid_set(physid, *map);
  136. }
  137. #define PHYSID_MASK_ALL { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }
  138. #define PHYSID_MASK_NONE { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }
  139. extern physid_mask_t phys_cpu_present_map;
  140. extern int generic_mps_oem_check(struct mpc_table *, char *, char *);
  141. extern int default_acpi_madt_oem_check(char *, char *);
  142. #endif /* _ASM_X86_MPSPEC_H */