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
   9 extern int apic_version[MAX_APICS];
  10 extern int pic_mode;
  11
  12 #ifdef CONFIG_X86_32
  13
  14 /*
  15  * Summit or generic (i.e. installer) kernels need lots of bus entries.
  16  * Maximum 256 PCI busses, plus 1 ISA bus in each of 4 cabinets.
  17  */
  18 #if CONFIG_BASE_SMALL == 0
  19 # define MAX_MP_BUSSES          260
  20 #else
  21 # define MAX_MP_BUSSES          32
  22 #endif
  23
  24 #define MAX_IRQ_SOURCES         256
  25
  26 extern unsigned int def_to_bigsmp;
  27 extern u8 apicid_2_node[];
  28
  29 #ifdef CONFIG_X86_NUMAQ
  30 extern int mp_bus_id_to_node[MAX_MP_BUSSES];
  31 extern int mp_bus_id_to_local[MAX_MP_BUSSES];
  32 extern int quad_local_to_mp_bus_id [NR_CPUS/4][4];
  33 #endif
  34
  35 #define MAX_APICID              256
  36
  37 #else /* CONFIG_X86_64: */
  38
  39 #define MAX_MP_BUSSES           256
  40 /* Each PCI slot may be a combo card with its own bus.  4 IRQ pins per slot. */
  41 #define MAX_IRQ_SOURCES         (MAX_MP_BUSSES * 4)
  42
  43 #endif /* CONFIG_X86_64 */
  44
  45 #if defined(CONFIG_MCA) || defined(CONFIG_EISA)
  46 extern int mp_bus_id_to_type[MAX_MP_BUSSES];
  47 #endif
  48
  49 extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
  50
  51 extern unsigned int boot_cpu_physical_apicid;
  52 extern unsigned int max_physical_apicid;
  53 extern int mpc_default_type;
  54 extern unsigned long mp_lapic_addr;
  55
  56 #ifdef CONFIG_X86_LOCAL_APIC
  57 extern int smp_found_config;
  58 #else
  59 # define smp_found_config 0
  60 #endif
  61
  62 static inline void get_smp_config(void)
  63 {
  64         x86_init.mpparse.get_smp_config(0);
  65 }
  66
  67 static inline void early_get_smp_config(void)
  68 {
  69         x86_init.mpparse.get_smp_config(1);
  70 }
  71
  72 static inline void find_smp_config(void)
  73 {
  74         x86_init.mpparse.find_smp_config();
  75 }
  76
  77 #ifdef CONFIG_X86_MPPARSE
  78 extern void early_reserve_e820_mpc_new(void);
  79 extern int enable_update_mptable;
  80 extern int default_mpc_apic_id(struct mpc_cpu *m);
  81 extern void default_smp_read_mpc_oem(struct mpc_table *mpc);
  82 # ifdef CONFIG_X86_IO_APIC
  83 extern void default_mpc_oem_bus_info(struct mpc_bus *m, char *str);
  84 # else
  85 #  define default_mpc_oem_bus_info NULL
  86 # endif
  87 extern void default_find_smp_config(void);
  88 extern void default_get_smp_config(unsigned int early);
  89 #else
  90 static inline void early_reserve_e820_mpc_new(void) { }
  91 #define enable_update_mptable 0
  92 #define default_mpc_apic_id NULL
  93 #define default_smp_read_mpc_oem NULL
  94 #define default_mpc_oem_bus_info NULL
  95 #define default_find_smp_config x86_init_noop
  96 #define default_get_smp_config x86_init_uint_noop
  97 #endif
  98
  99 void __cpuinit generic_processor_info(int apicid, int version);
 100 #ifdef CONFIG_ACPI
 101 extern void mp_register_ioapic(int id, u32 address, u32 gsi_base);
 102 extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
 103                                    u32 gsi);
 104 extern void mp_config_acpi_legacy_irqs(void);
 105 struct device;
 106 extern int mp_register_gsi(struct device *dev, u32 gsi, int edge_level,
 107                                  int active_high_low);
 108 extern int acpi_probe_gsi(void);
 109 #ifdef CONFIG_X86_IO_APIC
 110 extern int mp_find_ioapic(int gsi);
 111 extern int mp_find_ioapic_pin(int ioapic, int gsi);
 112 #endif
 113 #else /* !CONFIG_ACPI: */
 114 static inline int acpi_probe_gsi(void)
 115 {
 116         return 0;
 117 }
 118 #endif /* CONFIG_ACPI */
 119
 120 #define PHYSID_ARRAY_SIZE       BITS_TO_LONGS(MAX_APICS)
 121
 122 struct physid_mask {
 123         unsigned long mask[PHYSID_ARRAY_SIZE];
 124 };
 125
 126 typedef struct physid_mask physid_mask_t;
 127
 128 #define physid_set(physid, map)                 set_bit(physid, (map).mask)
 129 #define physid_clear(physid, map)               clear_bit(physid, (map).mask)
 130 #define physid_isset(physid, map)               test_bit(physid, (map).mask)
 131 #define physid_test_and_set(physid, map)                        \
 132         test_and_set_bit(physid, (map).mask)
 133
 134 #define physids_and(dst, src1, src2)                                    \
 135         bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
 136
 137 #define physids_or(dst, src1, src2)                                     \
 138         bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
 139
 140 #define physids_clear(map)                                      \
 141         bitmap_zero((map).mask, MAX_APICS)
 142
 143 #define physids_complement(dst, src)                            \
 144         bitmap_complement((dst).mask, (src).mask, MAX_APICS)
 145
 146 #define physids_empty(map)                                      \
 147         bitmap_empty((map).mask, MAX_APICS)
 148
 149 #define physids_equal(map1, map2)                               \
 150         bitmap_equal((map1).mask, (map2).mask, MAX_APICS)
 151
 152 #define physids_weight(map)                                     \
 153         bitmap_weight((map).mask, MAX_APICS)
 154
 155 #define physids_shift_right(d, s, n)                            \
 156         bitmap_shift_right((d).mask, (s).mask, n, MAX_APICS)
 157
 158 #define physids_shift_left(d, s, n)                             \
 159         bitmap_shift_left((d).mask, (s).mask, n, MAX_APICS)
 160
 161 static inline unsigned long physids_coerce(physid_mask_t *map)
 162 {
 163         return map->mask[0];
 164 }
 165
 166 static inline void physids_promote(unsigned long physids, physid_mask_t *map)
 167 {
 168         physids_clear(*map);
 169         map->mask[0] = physids;
 170 }
 171
 172 /* Note: will create very large stack frames if physid_mask_t is big */
 173 #define physid_mask_of_physid(physid)                                   \
 174         ({                                                              \
 175                 physid_mask_t __physid_mask = PHYSID_MASK_NONE;         \
 176                 physid_set(physid, __physid_mask);                      \
 177                 __physid_mask;                                          \
 178         })
 179
 180 static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map)
 181 {
 182         physids_clear(*map);
 183         physid_set(physid, *map);
 184 }
 185
 186 #define PHYSID_MASK_ALL         { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }
 187 #define PHYSID_MASK_NONE        { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }
 188
 189 extern physid_mask_t phys_cpu_present_map;
 190
 191 extern int generic_mps_oem_check(struct mpc_table *, char *, char *);
 192
 193 extern int default_acpi_madt_oem_check(char *, char *);
 194
 195 #endif /* _ASM_X86_MPSPEC_H */