1 #ifndef _ASM_X86_MPSPEC_H
2 #define _ASM_X86_MPSPEC_H
4 #include <linux/init.h>
6 #include <asm/mpspec_def.h>
8 extern int apic_version[MAX_APICS];
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.
17 #if CONFIG_BASE_SMALL == 0
18 # define MAX_MP_BUSSES 260
20 # define MAX_MP_BUSSES 32
23 #define MAX_IRQ_SOURCES 256
25 extern unsigned int def_to_bigsmp;
26 extern u8 apicid_2_node[];
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];
34 #define MAX_APICID 256
36 #else /* CONFIG_X86_64: */
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)
42 #endif /* CONFIG_X86_64 */
44 extern void early_find_smp_config(void);
45 extern void early_get_smp_config(void);
47 #if defined(CONFIG_MCA) || defined(CONFIG_EISA)
48 extern int mp_bus_id_to_type[MAX_MP_BUSSES];
51 extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
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;
59 extern void find_smp_config(void);
60 extern void get_smp_config(void);
61 #ifdef CONFIG_X86_MPPARSE
62 extern void early_reserve_e820_mpc_new(void);
64 static inline void early_reserve_e820_mpc_new(void) { }
67 void __cpuinit generic_processor_info(int apicid, int version);
69 extern void mp_register_ioapic(int id, u32 address, u32 gsi_base);
70 extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
72 extern void mp_config_acpi_legacy_irqs(void);
73 extern int mp_register_gsi(u32 gsi, int edge_level, int active_high_low);
74 #ifdef CONFIG_X86_IO_APIC
75 extern int mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin,
76 u32 gsi, int triggering, int polarity);
79 mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin,
80 u32 gsi, int triggering, int polarity)
85 #endif /* CONFIG_ACPI */
87 #define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_APICS)
90 unsigned long mask[PHYSID_ARRAY_SIZE];
93 typedef struct physid_mask physid_mask_t;
95 #define physid_set(physid, map) set_bit(physid, (map).mask)
96 #define physid_clear(physid, map) clear_bit(physid, (map).mask)
97 #define physid_isset(physid, map) test_bit(physid, (map).mask)
98 #define physid_test_and_set(physid, map) \
99 test_and_set_bit(physid, (map).mask)
101 #define physids_and(dst, src1, src2) \
102 bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
104 #define physids_or(dst, src1, src2) \
105 bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
107 #define physids_clear(map) \
108 bitmap_zero((map).mask, MAX_APICS)
110 #define physids_complement(dst, src) \
111 bitmap_complement((dst).mask, (src).mask, MAX_APICS)
113 #define physids_empty(map) \
114 bitmap_empty((map).mask, MAX_APICS)
116 #define physids_equal(map1, map2) \
117 bitmap_equal((map1).mask, (map2).mask, MAX_APICS)
119 #define physids_weight(map) \
120 bitmap_weight((map).mask, MAX_APICS)
122 #define physids_shift_right(d, s, n) \
123 bitmap_shift_right((d).mask, (s).mask, n, MAX_APICS)
125 #define physids_shift_left(d, s, n) \
126 bitmap_shift_left((d).mask, (s).mask, n, MAX_APICS)
128 #define physids_coerce(map) ((map).mask[0])
130 #define physids_promote(physids) \
132 physid_mask_t __physid_mask = PHYSID_MASK_NONE; \
133 __physid_mask.mask[0] = physids; \
137 /* Note: will create very large stack frames if physid_mask_t is big */
138 #define physid_mask_of_physid(physid) \
140 physid_mask_t __physid_mask = PHYSID_MASK_NONE; \
141 physid_set(physid, __physid_mask); \
145 static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map)
148 physid_set(physid, *map);
151 #define PHYSID_MASK_ALL { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }
152 #define PHYSID_MASK_NONE { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }
154 extern physid_mask_t phys_cpu_present_map;
156 extern int generic_mps_oem_check(struct mpc_table *, char *, char *);
158 extern int default_acpi_madt_oem_check(char *, char *);
160 extern void numaq_mps_oem_check(struct mpc_table *, char *, char *);
162 #endif /* _ASM_X86_MPSPEC_H */