#ifndef _ASM_X86_MPSPEC_H #define _ASM_X86_MPSPEC_H #include <asm/mpspec_def.h> #include <asm/x86_init.h> #include <asm/apicdef.h> extern int apic_version[]; 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; #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 */ #ifdef 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 long mp_lapic_addr; #ifdef CONFIG_X86_LOCAL_APIC extern int smp_found_config; #else # define smp_found_config 0 #endif static inline void get_smp_config(void) { x86_init.mpparse.get_smp_config(0); } static inline void early_get_smp_config(void) { x86_init.mpparse.get_smp_config(1); } static inline void find_smp_config(void) { x86_init.mpparse.find_smp_config(); } #ifdef CONFIG_X86_MPPARSE 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); # ifdef CONFIG_X86_IO_APIC extern void default_mpc_oem_bus_info(struct mpc_bus *m, char *str); # else # define default_mpc_oem_bus_info NULL # endif extern void default_find_smp_config(void); extern void default_get_smp_config(unsigned int early); #else 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 #define default_mpc_oem_bus_info NULL #define default_find_smp_config x86_init_noop #define default_get_smp_config x86_init_uint_noop #endif int generic_processor_info(int apicid, int version); #define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_LOCAL_APIC) 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_LOCAL_APIC) #define physids_or(dst, src1, src2) \ bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_LOCAL_APIC) #define physids_clear(map) \ bitmap_zero((map).mask, MAX_LOCAL_APIC) #define physids_complement(dst, src) \ bitmap_complement((dst).mask, (src).mask, MAX_LOCAL_APIC) #define physids_empty(map) \ bitmap_empty((map).mask, MAX_LOCAL_APIC) #define physids_equal(map1, map2) \ bitmap_equal((map1).mask, (map2).mask, MAX_LOCAL_APIC) #define physids_weight(map) \ bitmap_weight((map).mask, MAX_LOCAL_APIC) #define physids_shift_right(d, s, n) \ bitmap_shift_right((d).mask, (s).mask, n, MAX_LOCAL_APIC) #define physids_shift_left(d, s, n) \ bitmap_shift_left((d).mask, (s).mask, n, MAX_LOCAL_APIC) static inline unsigned long physids_coerce(physid_mask_t *map) { return map->mask[0]; } static inline void physids_promote(unsigned long physids, physid_mask_t *map) { physids_clear(*map); map->mask[0] = physids; } 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; #endif /* _ASM_X86_MPSPEC_H */