#ifndef _ASM_X86_MPSPEC_H #define _ASM_X86_MPSPEC_H #include #include extern int apic_version[MAX_APICS]; extern int pic_mode; #ifdef CONFIG_X86_32 /* * Summit or generic (i.e. installer) kernels need lots of bus entries. * Maximum 256 PCI busses, plus 1 ISA bus in each of 4 cabinets. */ #if CONFIG_BASE_SMALL == 0 # define MAX_MP_BUSSES 260 #else # define MAX_MP_BUSSES 32 #endif #define MAX_IRQ_SOURCES 256 extern unsigned int def_to_bigsmp; extern u8 apicid_2_node[]; #ifdef CONFIG_X86_NUMAQ extern int mp_bus_id_to_node[MAX_MP_BUSSES]; extern int mp_bus_id_to_local[MAX_MP_BUSSES]; extern int quad_local_to_mp_bus_id [NR_CPUS/4][4]; #endif #define MAX_APICID 256 #else /* CONFIG_X86_64: */ #define MAX_MP_BUSSES 256 /* Each PCI slot may be a combo card with its own bus. 4 IRQ pins per slot. */ #define MAX_IRQ_SOURCES (MAX_MP_BUSSES * 4) #endif /* CONFIG_X86_64 */ extern void early_find_smp_config(void); extern void early_get_smp_config(void); #if defined(CONFIG_MCA) || defined(CONFIG_EISA) extern int mp_bus_id_to_type[MAX_MP_BUSSES]; #endif extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); extern unsigned int boot_cpu_physical_apicid; extern unsigned int max_physical_apicid; extern int smp_found_config; extern int mpc_default_type; extern unsigned long mp_lapic_addr; extern void get_smp_config(void); #ifdef CONFIG_X86_MPPARSE extern void find_smp_config(void); extern void early_reserve_e820_mpc_new(void); extern int enable_update_mptable; extern int default_mpc_apic_id(struct mpc_cpu *m); extern void default_smp_read_mpc_oem(struct mpc_table *mpc); #else static inline void find_smp_config(void) { } static inline void early_reserve_e820_mpc_new(void) { } #define enable_update_mptable 0 #define default_mpc_apic_id NULL #define default_smp_read_mpc_oem NULL #endif void __cpuinit generic_processor_info(int apicid, int version); #ifdef CONFIG_ACPI extern void mp_register_ioapic(int id, u32 address, u32 gsi_base); extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi); extern void mp_config_acpi_legacy_irqs(void); struct device; extern int mp_register_gsi(struct device *dev, u32 gsi, int edge_level, int active_high_low); extern int acpi_probe_gsi(void); #ifdef CONFIG_X86_IO_APIC extern int mp_find_ioapic(int gsi); extern int mp_find_ioapic_pin(int ioapic, int gsi); #endif #else /* !CONFIG_ACPI: */ static inline int acpi_probe_gsi(void) { return 0; } #endif /* CONFIG_ACPI */ #define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_APICS) struct physid_mask { unsigned long mask[PHYSID_ARRAY_SIZE]; }; typedef struct physid_mask physid_mask_t; #define physid_set(physid, map) set_bit(physid, (map).mask) #define physid_clear(physid, map) clear_bit(physid, (map).mask) #define physid_isset(physid, map) test_bit(physid, (map).mask) #define physid_test_and_set(physid, map) \ test_and_set_bit(physid, (map).mask) #define physids_and(dst, src1, src2) \ bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_APICS) #define physids_or(dst, src1, src2) \ bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_APICS) #define physids_clear(map) \ bitmap_zero((map).mask, MAX_APICS) #define physids_complement(dst, src) \ bitmap_complement((dst).mask, (src).mask, MAX_APICS) #define physids_empty(map) \ bitmap_empty((map).mask, MAX_APICS) #define physids_equal(map1, map2) \ bitmap_equal((map1).mask, (map2).mask, MAX_APICS) #define physids_weight(map) \ bitmap_weight((map).mask, MAX_APICS) #define physids_shift_right(d, s, n) \ bitmap_shift_right((d).mask, (s).mask, n, MAX_APICS) #define physids_shift_left(d, s, n) \ bitmap_shift_left((d).mask, (s).mask, n, MAX_APICS) #define physids_coerce(map) ((map).mask[0]) #define physids_promote(physids) \ ({ \ physid_mask_t __physid_mask = PHYSID_MASK_NONE; \ __physid_mask.mask[0] = physids; \ __physid_mask; \ }) /* Note: will create very large stack frames if physid_mask_t is big */ #define physid_mask_of_physid(physid) \ ({ \ physid_mask_t __physid_mask = PHYSID_MASK_NONE; \ physid_set(physid, __physid_mask); \ __physid_mask; \ }) static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map) { physids_clear(*map); physid_set(physid, *map); } #define PHYSID_MASK_ALL { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} } #define PHYSID_MASK_NONE { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} } extern physid_mask_t phys_cpu_present_map; extern int generic_mps_oem_check(struct mpc_table *, char *, char *); extern int default_acpi_madt_oem_check(char *, char *); #endif /* _ASM_X86_MPSPEC_H */