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
  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 #else /* CONFIG_X86_64: */
  36
  37 #define MAX_MP_BUSSES           256
  38 /* Each PCI slot may be a combo card with its own bus.  4 IRQ pins per slot. */
  39 #define MAX_IRQ_SOURCES         (MAX_MP_BUSSES * 4)
  40
  41 #endif /* CONFIG_X86_64 */
  42
  43 #ifdef CONFIG_EISA
  44 extern int mp_bus_id_to_type[MAX_MP_BUSSES];
  45 #endif
  46
  47 extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
  48
  49 extern unsigned int boot_cpu_physical_apicid;
  50 extern unsigned int max_physical_apicid;
  51 extern int mpc_default_type;
  52 extern unsigned long mp_lapic_addr;
  53
  54 #ifdef CONFIG_X86_LOCAL_APIC
  55 extern int smp_found_config;
  56 #else
  57 # define smp_found_config 0
  58 #endif
  59
  60 static inline void get_smp_config(void)
  61 {
  62         x86_init.mpparse.get_smp_config(0);
  63 }
  64
  65 static inline void early_get_smp_config(void)
  66 {
  67         x86_init.mpparse.get_smp_config(1);
  68 }
  69
  70 static inline void find_smp_config(void)
  71 {
  72         x86_init.mpparse.find_smp_config();
  73 }
  74
  75 #ifdef CONFIG_X86_MPPARSE
  76 extern void early_reserve_e820_mpc_new(void);
  77 extern int enable_update_mptable;
  78 extern int default_mpc_apic_id(struct mpc_cpu *m);
  79 extern void default_smp_read_mpc_oem(struct mpc_table *mpc);
  80 # ifdef CONFIG_X86_IO_APIC
  81 extern void default_mpc_oem_bus_info(struct mpc_bus *m, char *str);
  82 # else
  83 #  define default_mpc_oem_bus_info NULL
  84 # endif
  85 extern void default_find_smp_config(void);
  86 extern void default_get_smp_config(unsigned int early);
  87 #else
  88 static inline void early_reserve_e820_mpc_new(void) { }
  89 #define enable_update_mptable 0
  90 #define default_mpc_apic_id NULL
  91 #define default_smp_read_mpc_oem NULL
  92 #define default_mpc_oem_bus_info NULL
  93 #define default_find_smp_config x86_init_noop
  94 #define default_get_smp_config x86_init_uint_noop
  95 #endif
  96
  97 void generic_processor_info(int apicid, int version);
  98 #ifdef CONFIG_ACPI
  99 extern void mp_register_ioapic(int id, u32 address, u32 gsi_base);
 100 extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
 101                                    u32 gsi);
 102 extern void mp_config_acpi_legacy_irqs(void);
 103 struct device;
 104 extern int mp_register_gsi(struct device *dev, u32 gsi, int edge_level,
 105                                  int active_high_low);
 106 #endif /* CONFIG_ACPI */
 107
 108 #define PHYSID_ARRAY_SIZE       BITS_TO_LONGS(MAX_LOCAL_APIC)
 109
 110 struct physid_mask {
 111         unsigned long mask[PHYSID_ARRAY_SIZE];
 112 };
 113
 114 typedef struct physid_mask physid_mask_t;
 115
 116 #define physid_set(physid, map)                 set_bit(physid, (map).mask)
 117 #define physid_clear(physid, map)               clear_bit(physid, (map).mask)
 118 #define physid_isset(physid, map)               test_bit(physid, (map).mask)
 119 #define physid_test_and_set(physid, map)                        \
 120         test_and_set_bit(physid, (map).mask)
 121
 122 #define physids_and(dst, src1, src2)                                    \
 123         bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APIC)
 124
 125 #define physids_or(dst, src1, src2)                                     \
 126         bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APIC)
 127
 128 #define physids_clear(map)                                      \
 129         bitmap_zero((map).mask, MAX_LOCAL_APIC)
 130
 131 #define physids_complement(dst, src)                            \
 132         bitmap_complement((dst).mask, (src).mask, MAX_LOCAL_APIC)
 133
 134 #define physids_empty(map)                                      \
 135         bitmap_empty((map).mask, MAX_LOCAL_APIC)
 136
 137 #define physids_equal(map1, map2)                               \
 138         bitmap_equal((map1).mask, (map2).mask, MAX_LOCAL_APIC)
 139
 140 #define physids_weight(map)                                     \
 141         bitmap_weight((map).mask, MAX_LOCAL_APIC)
 142
 143 #define physids_shift_right(d, s, n)                            \
 144         bitmap_shift_right((d).mask, (s).mask, n, MAX_LOCAL_APIC)
 145
 146 #define physids_shift_left(d, s, n)                             \
 147         bitmap_shift_left((d).mask, (s).mask, n, MAX_LOCAL_APIC)
 148
 149 static inline unsigned long physids_coerce(physid_mask_t *map)
 150 {
 151         return map->mask[0];
 152 }
 153
 154 static inline void physids_promote(unsigned long physids, physid_mask_t *map)
 155 {
 156         physids_clear(*map);
 157         map->mask[0] = physids;
 158 }
 159
 160 static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map)
 161 {
 162         physids_clear(*map);
 163         physid_set(physid, *map);
 164 }
 165
 166 #define PHYSID_MASK_ALL         { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }
 167 #define PHYSID_MASK_NONE        { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }
 168
 169 extern physid_mask_t phys_cpu_present_map;
 170
 171 extern int generic_mps_oem_check(struct mpc_table *, char *, char *);
 172
 173 extern int default_acpi_madt_oem_check(char *, char *);
 174
 175 #endif /* _ASM_X86_MPSPEC_H */