LXR linux/arch/x86/include/asm/mpspec.h

   1#ifndef _ASM_X86_MPSPEC_H
   2#define _ASM_X86_MPSPEC_H
   3
   4
   5#include <asm/mpspec_def.h>
   6#include <asm/x86_init.h>
   7#include <asm/apicdef.h>
   8
   9extern int pic_mode;
  10
  11#ifdef CONFIG_X86_32
  12
  13/*
  14 * Summit or generic (i.e. installer) kernels need lots of bus entries.
  15 * Maximum 256 PCI busses, plus 1 ISA bus in each of 4 cabinets.
  16 */
  17#if CONFIG_BASE_SMALL == 0
  18# define MAX_MP_BUSSES          260
  19#else
  20# define MAX_MP_BUSSES          32
  21#endif
  22
  23#define MAX_IRQ_SOURCES         256
  24
  25extern unsigned int def_to_bigsmp;
  26
  27#else /* CONFIG_X86_64: */
  28
  29#define MAX_MP_BUSSES           256
  30/* Each PCI slot may be a combo card with its own bus.  4 IRQ pins per slot. */
  31#define MAX_IRQ_SOURCES         (MAX_MP_BUSSES * 4)
  32
  33#endif /* CONFIG_X86_64 */
  34
  35#ifdef CONFIG_EISA
  36extern int mp_bus_id_to_type[MAX_MP_BUSSES];
  37#endif
  38
  39extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
  40
  41extern unsigned int boot_cpu_physical_apicid;
  42extern u8 boot_cpu_apic_version;
  43extern unsigned long mp_lapic_addr;
  44
  45#ifdef CONFIG_X86_LOCAL_APIC
  46extern int smp_found_config;
  47#else
  48# define smp_found_config 0
  49#endif
  50
  51static inline void get_smp_config(void)
  52{
  53        x86_init.mpparse.get_smp_config(0);
  54}
  55
  56static inline void early_get_smp_config(void)
  57{
  58        x86_init.mpparse.get_smp_config(1);
  59}
  60
  61static inline void find_smp_config(void)
  62{
  63        x86_init.mpparse.find_smp_config();
  64}
  65
  66#ifdef CONFIG_X86_MPPARSE
  67extern void early_reserve_e820_mpc_new(void);
  68extern int enable_update_mptable;
  69extern int default_mpc_apic_id(struct mpc_cpu *m);
  70extern void default_smp_read_mpc_oem(struct mpc_table *mpc);
  71# ifdef CONFIG_X86_IO_APIC
  72extern void default_mpc_oem_bus_info(struct mpc_bus *m, char *str);
  73# else
  74#  define default_mpc_oem_bus_info NULL
  75# endif
  76extern void default_find_smp_config(void);
  77extern void default_get_smp_config(unsigned int early);
  78#else
  79static inline void early_reserve_e820_mpc_new(void) { }
  80#define enable_update_mptable 0
  81#define default_mpc_apic_id NULL
  82#define default_smp_read_mpc_oem NULL
  83#define default_mpc_oem_bus_info NULL
  84#define default_find_smp_config x86_init_noop
  85#define default_get_smp_config x86_init_uint_noop
  86#endif
  87
  88int generic_processor_info(int apicid, int version);
  89int __generic_processor_info(int apicid, int version, bool enabled);
  90
  91#define PHYSID_ARRAY_SIZE       BITS_TO_LONGS(MAX_LOCAL_APIC)
  92
  93struct physid_mask {
  94        unsigned long mask[PHYSID_ARRAY_SIZE];
  95};
  96
  97typedef struct physid_mask physid_mask_t;
  98
  99#define physid_set(physid, map)                 set_bit(physid, (map).mask)
 100#define physid_clear(physid, map)               clear_bit(physid, (map).mask)
 101#define physid_isset(physid, map)               test_bit(physid, (map).mask)
 102#define physid_test_and_set(physid, map)                        \
 103        test_and_set_bit(physid, (map).mask)
 104
 105#define physids_and(dst, src1, src2)                                    \
 106        bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APIC)
 107
 108#define physids_or(dst, src1, src2)                                     \
 109        bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APIC)
 110
 111#define physids_clear(map)                                      \
 112        bitmap_zero((map).mask, MAX_LOCAL_APIC)
 113
 114#define physids_complement(dst, src)                            \
 115        bitmap_complement((dst).mask, (src).mask, MAX_LOCAL_APIC)
 116
 117#define physids_empty(map)                                      \
 118        bitmap_empty((map).mask, MAX_LOCAL_APIC)
 119
 120#define physids_equal(map1, map2)                               \
 121        bitmap_equal((map1).mask, (map2).mask, MAX_LOCAL_APIC)
 122
 123#define physids_weight(map)                                     \
 124        bitmap_weight((map).mask, MAX_LOCAL_APIC)
 125
 126#define physids_shift_right(d, s, n)                            \
 127        bitmap_shift_right((d).mask, (s).mask, n, MAX_LOCAL_APIC)
 128
 129#define physids_shift_left(d, s, n)                             \
 130        bitmap_shift_left((d).mask, (s).mask, n, MAX_LOCAL_APIC)
 131
 132static inline unsigned long physids_coerce(physid_mask_t *map)
 133{
 134        return map->mask[0];
 135}
 136
 137static inline void physids_promote(unsigned long physids, physid_mask_t *map)
 138{
 139        physids_clear(*map);
 140        map->mask[0] = physids;
 141}
 142
 143static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map)
 144{
 145        physids_clear(*map);
 146        physid_set(physid, *map);
 147}
 148
 149#define PHYSID_MASK_ALL         { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }
 150#define PHYSID_MASK_NONE        { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }
 151
 152extern physid_mask_t phys_cpu_present_map;
 153
 154#endif /* _ASM_X86_MPSPEC_H */
 155