arch/x86/include/asm/mpspec.h

   1 #ifndef _ASM_X86_MPSPEC_H
   2 #define _ASM_X86_MPSPEC_H
   3
   4 #include <linux/init.h>
   5
   6 #include <asm/mpspec_def.h>
   7 #include <asm/x86_init.h>
   8 #include <asm/apicdef.h>
   9
  10 extern int apic_version[];
  11 extern int pic_mode;
  12
  13 #ifdef CONFIG_X86_32
  14
  15 /*
  16  * Summit or generic (i.e. installer) kernels need lots of bus entries.
  17  * Maximum 256 PCI busses, plus 1 ISA bus in each of 4 cabinets.
  18  */
  19 #if CONFIG_BASE_SMALL == 0
  20 # define MAX_MP_BUSSES          260
  21 #else
  22 # define MAX_MP_BUSSES          32
  23 #endif
  24
  25 #define MAX_IRQ_SOURCES         256
  26
  27 extern unsigned int def_to_bigsmp;
  28 extern u8 apicid_2_node[];
  29
  30 #ifdef CONFIG_X86_NUMAQ
  31 extern int mp_bus_id_to_node[MAX_MP_BUSSES];
  32 extern int mp_bus_id_to_local[MAX_MP_BUSSES];
  33 extern int quad_local_to_mp_bus_id [NR_CPUS/4][4];
  34 #endif
  35
  36 #define MAX_APICID              256
  37
  38 #else /* CONFIG_X86_64: */
  39
  40 #define MAX_MP_BUSSES           256
  41 /* Each PCI slot may be a combo card with its own bus.  4 IRQ pins per slot. */
  42 #define MAX_IRQ_SOURCES         (MAX_MP_BUSSES * 4)
  43
  44 #endif /* CONFIG_X86_64 */
  45
  46 #if defined(CONFIG_MCA) || defined(CONFIG_EISA)
  47 extern int mp_bus_id_to_type[MAX_MP_BUSSES];
  48 #endif
  49
  50 extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
  51
  52 extern unsigned int boot_cpu_physical_apicid;
  53 extern unsigned int max_physical_apicid;
  54 extern int mpc_default_type;
  55 extern unsigned long mp_lapic_addr;
  56
  57 #ifdef CONFIG_X86_LOCAL_APIC
  58 extern int smp_found_config;
  59 #else
  60 # define smp_found_config 0
  61 #endif
  62
  63 static inline void get_smp_config(void)
  64 {
  65         x86_init.mpparse.get_smp_config(0);
  66 }
  67
  68 static inline void early_get_smp_config(void)
  69 {
  70         x86_init.mpparse.get_smp_config(1);
  71 }
  72
  73 static inline void find_smp_config(void)
  74 {
  75         x86_init.mpparse.find_smp_config();
  76 }
  77
  78 #ifdef CONFIG_X86_MPPARSE
  79 extern void early_reserve_e820_mpc_new(void);
  80 extern int enable_update_mptable;
  81 extern int default_mpc_apic_id(struct mpc_cpu *m);
  82 extern void default_smp_read_mpc_oem(struct mpc_table *mpc);
  83 # ifdef CONFIG_X86_IO_APIC
  84 extern void default_mpc_oem_bus_info(struct mpc_bus *m, char *str);
  85 # else
  86 #  define default_mpc_oem_bus_info NULL
  87 # endif
  88 extern void default_find_smp_config(void);
  89 extern void default_get_smp_config(unsigned int early);
  90 #else
  91 static inline void early_reserve_e820_mpc_new(void) { }
  92 #define enable_update_mptable 0
  93 #define default_mpc_apic_id NULL
  94 #define default_smp_read_mpc_oem NULL
  95 #define default_mpc_oem_bus_info NULL
  96 #define default_find_smp_config x86_init_noop
  97 #define default_get_smp_config x86_init_uint_noop
  98 #endif
  99
 100 void __cpuinit generic_processor_info(int apicid, int version);
 101 #ifdef CONFIG_ACPI
 102 extern void mp_register_ioapic(int id, u32 address, u32 gsi_base);
 103 extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
 104                                    u32 gsi);
 105 extern void mp_config_acpi_legacy_irqs(void);
 106 struct device;
 107 extern int mp_register_gsi(struct device *dev, u32 gsi, int edge_level,
 108                                  int active_high_low);
 109 #endif /* CONFIG_ACPI */
 110
 111 #define PHYSID_ARRAY_SIZE       BITS_TO_LONGS(MAX_LOCAL_APIC)
 112
 113 struct physid_mask {
 114         unsigned long mask[PHYSID_ARRAY_SIZE];
 115 };
 116
 117 typedef struct physid_mask physid_mask_t;
 118
 119 #define physid_set(physid, map)                 set_bit(physid, (map).mask)
 120 #define physid_clear(physid, map)               clear_bit(physid, (map).mask)
 121 #define physid_isset(physid, map)               test_bit(physid, (map).mask)
 122 #define physid_test_and_set(physid, map)                        \
 123         test_and_set_bit(physid, (map).mask)
 124
 125 #define physids_and(dst, src1, src2)                                    \
 126         bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APIC)
 127
 128 #define physids_or(dst, src1, src2)                                     \
 129         bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APIC)
 130
 131 #define physids_clear(map)                                      \
 132         bitmap_zero((map).mask, MAX_LOCAL_APIC)
 133
 134 #define physids_complement(dst, src)                            \
 135         bitmap_complement((dst).mask, (src).mask, MAX_LOCAL_APIC)
 136
 137 #define physids_empty(map)                                      \
 138         bitmap_empty((map).mask, MAX_LOCAL_APIC)
 139
 140 #define physids_equal(map1, map2)                               \
 141         bitmap_equal((map1).mask, (map2).mask, MAX_LOCAL_APIC)
 142
 143 #define physids_weight(map)                                     \
 144         bitmap_weight((map).mask, MAX_LOCAL_APIC)
 145
 146 #define physids_shift_right(d, s, n)                            \
 147         bitmap_shift_right((d).mask, (s).mask, n, MAX_LOCAL_APIC)
 148
 149 #define physids_shift_left(d, s, n)                             \
 150         bitmap_shift_left((d).mask, (s).mask, n, MAX_LOCAL_APIC)
 151
 152 static inline unsigned long physids_coerce(physid_mask_t *map)
 153 {
 154         return map->mask[0];
 155 }
 156
 157 static inline void physids_promote(unsigned long physids, physid_mask_t *map)
 158 {
 159         physids_clear(*map);
 160         map->mask[0] = physids;
 161 }
 162
 163 static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map)
 164 {
 165         physids_clear(*map);
 166         physid_set(physid, *map);
 167 }
 168
 169 #define PHYSID_MASK_ALL         { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }
 170 #define PHYSID_MASK_NONE        { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }
 171
 172 extern physid_mask_t phys_cpu_present_map;
 173
 174 extern int generic_mps_oem_check(struct mpc_table *, char *, char *);
 175
 176 extern int default_acpi_madt_oem_check(char *, char *);
 177
 178 #endif /* _ASM_X86_MPSPEC_H */