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
   8 extern int apic_version[MAX_APICS];
   9 extern 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
  25 extern unsigned int def_to_bigsmp;
  26 extern u8 apicid_2_node[];
  27
  28 #ifdef CONFIG_X86_NUMAQ
  29 extern int mp_bus_id_to_node[MAX_MP_BUSSES];
  30 extern int mp_bus_id_to_local[MAX_MP_BUSSES];
  31 extern int quad_local_to_mp_bus_id [NR_CPUS/4][4];
  32 #endif
  33
  34 #define MAX_APICID              256
  35
  36 #else /* CONFIG_X86_64: */
  37
  38 #define MAX_MP_BUSSES           256
  39 /* Each PCI slot may be a combo card with its own bus.  4 IRQ pins per slot. */
  40 #define MAX_IRQ_SOURCES         (MAX_MP_BUSSES * 4)
  41
  42 #endif /* CONFIG_X86_64 */
  43
  44 extern void early_find_smp_config(void);
  45 extern void early_get_smp_config(void);
  46
  47 #if defined(CONFIG_MCA) || defined(CONFIG_EISA)
  48 extern int mp_bus_id_to_type[MAX_MP_BUSSES];
  49 #endif
  50
  51 extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
  52
  53 extern unsigned int boot_cpu_physical_apicid;
  54 extern unsigned int max_physical_apicid;
  55 extern int smp_found_config;
  56 extern int mpc_default_type;
  57 extern unsigned long mp_lapic_addr;
  58
  59 extern void get_smp_config(void);
  60
  61 #ifdef CONFIG_X86_MPPARSE
  62 extern void find_smp_config(void);
  63 extern void early_reserve_e820_mpc_new(void);
  64 #else
  65 static inline void find_smp_config(void) { }
  66 static inline void early_reserve_e820_mpc_new(void) { }
  67 #endif
  68
  69 void __cpuinit generic_processor_info(int apicid, int version);
  70 #ifdef CONFIG_ACPI
  71 extern void mp_register_ioapic(int id, u32 address, u32 gsi_base);
  72 extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
  73                                    u32 gsi);
  74 extern void mp_config_acpi_legacy_irqs(void);
  75 extern int mp_register_gsi(u32 gsi, int edge_level, int active_high_low);
  76 extern int acpi_probe_gsi(void);
  77 #ifdef CONFIG_X86_IO_APIC
  78 extern int mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin,
  79                                 u32 gsi, int triggering, int polarity);
  80 extern int mp_find_ioapic(int gsi);
  81 extern int mp_find_ioapic_pin(int ioapic, int gsi);
  82 #else
  83 static inline int
  84 mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin,
  85                    u32 gsi, int triggering, int polarity)
  86 {
  87         return 0;
  88 }
  89 #endif
  90 #else /* !CONFIG_ACPI: */
  91 static inline int acpi_probe_gsi(void)
  92 {
  93         return 0;
  94 }
  95 #endif /* CONFIG_ACPI */
  96
  97 #define PHYSID_ARRAY_SIZE       BITS_TO_LONGS(MAX_APICS)
  98
  99 struct physid_mask {
 100         unsigned long mask[PHYSID_ARRAY_SIZE];
 101 };
 102
 103 typedef struct physid_mask physid_mask_t;
 104
 105 #define physid_set(physid, map)                 set_bit(physid, (map).mask)
 106 #define physid_clear(physid, map)               clear_bit(physid, (map).mask)
 107 #define physid_isset(physid, map)               test_bit(physid, (map).mask)
 108 #define physid_test_and_set(physid, map)                        \
 109         test_and_set_bit(physid, (map).mask)
 110
 111 #define physids_and(dst, src1, src2)                                    \
 112         bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
 113
 114 #define physids_or(dst, src1, src2)                                     \
 115         bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
 116
 117 #define physids_clear(map)                                      \
 118         bitmap_zero((map).mask, MAX_APICS)
 119
 120 #define physids_complement(dst, src)                            \
 121         bitmap_complement((dst).mask, (src).mask, MAX_APICS)
 122
 123 #define physids_empty(map)                                      \
 124         bitmap_empty((map).mask, MAX_APICS)
 125
 126 #define physids_equal(map1, map2)                               \
 127         bitmap_equal((map1).mask, (map2).mask, MAX_APICS)
 128
 129 #define physids_weight(map)                                     \
 130         bitmap_weight((map).mask, MAX_APICS)
 131
 132 #define physids_shift_right(d, s, n)                            \
 133         bitmap_shift_right((d).mask, (s).mask, n, MAX_APICS)
 134
 135 #define physids_shift_left(d, s, n)                             \
 136         bitmap_shift_left((d).mask, (s).mask, n, MAX_APICS)
 137
 138 #define physids_coerce(map)                     ((map).mask[0])
 139
 140 #define physids_promote(physids)                                        \
 141         ({                                                              \
 142                 physid_mask_t __physid_mask = PHYSID_MASK_NONE;         \
 143                 __physid_mask.mask[0] = physids;                        \
 144                 __physid_mask;                                          \
 145         })
 146
 147 /* Note: will create very large stack frames if physid_mask_t is big */
 148 #define physid_mask_of_physid(physid)                                   \
 149         ({                                                              \
 150                 physid_mask_t __physid_mask = PHYSID_MASK_NONE;         \
 151                 physid_set(physid, __physid_mask);                      \
 152                 __physid_mask;                                          \
 153         })
 154
 155 static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map)
 156 {
 157         physids_clear(*map);
 158         physid_set(physid, *map);
 159 }
 160
 161 #define PHYSID_MASK_ALL         { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }
 162 #define PHYSID_MASK_NONE        { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }
 163
 164 extern physid_mask_t phys_cpu_present_map;
 165
 166 extern int generic_mps_oem_check(struct mpc_table *, char *, char *);
 167
 168 extern int default_acpi_madt_oem_check(char *, char *);
 169
 170 #endif /* _ASM_X86_MPSPEC_H */