mpspec.h 4.47 KB
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#ifndef _ASM_X86_MPSPEC_H
#define _ASM_X86_MPSPEC_H
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#include <linux/init.h>

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#include <asm/mpspec_def.h>

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extern int apic_version[MAX_APICS];
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extern int pic_mode;
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#ifdef CONFIG_X86_32
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/*
 * 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
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extern unsigned int def_to_bigsmp;
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extern u8 apicid_2_node[];
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#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

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#define MAX_APICID		256
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#else /* CONFIG_X86_64: */
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#define MAX_MP_BUSSES		256
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/* Each PCI slot may be a combo card with its own bus.  4 IRQ pins per slot. */
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#define MAX_IRQ_SOURCES		(MAX_MP_BUSSES * 4)
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#endif /* CONFIG_X86_64 */
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extern void early_find_smp_config(void);
extern void early_get_smp_config(void);

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#if defined(CONFIG_MCA) || defined(CONFIG_EISA)
extern int mp_bus_id_to_type[MAX_MP_BUSSES];
#endif

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extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
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extern unsigned int boot_cpu_physical_apicid;
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extern unsigned int max_physical_apicid;
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extern int smp_found_config;
extern int mpc_default_type;
extern unsigned long mp_lapic_addr;

extern void get_smp_config(void);
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#ifdef CONFIG_X86_MPPARSE
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extern void find_smp_config(void);
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extern void early_reserve_e820_mpc_new(void);
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#else
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static inline void find_smp_config(void) { }
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static inline void early_reserve_e820_mpc_new(void) { }
#endif
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void __cpuinit generic_processor_info(int apicid, int version);
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#ifdef CONFIG_ACPI
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extern void mp_register_ioapic(int id, u32 address, u32 gsi_base);
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extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
				   u32 gsi);
extern void mp_config_acpi_legacy_irqs(void);
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struct device;
extern int mp_register_gsi(struct device *dev, u32 gsi, int edge_level,
				 int active_high_low);
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extern int acpi_probe_gsi(void);
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#ifdef CONFIG_X86_IO_APIC
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extern int mp_find_ioapic(int gsi);
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extern int mp_find_ioapic_pin(int ioapic, int gsi);
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#endif
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#else /* !CONFIG_ACPI: */
static inline int acpi_probe_gsi(void)
{
	return 0;
}
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#endif /* CONFIG_ACPI */

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#ifdef CONFIG_X86_MPPARSE
extern int enable_update_mptable;
#else
static inline int enable_update_mptable(void)
{
	return 0;
}
#endif

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#define PHYSID_ARRAY_SIZE	BITS_TO_LONGS(MAX_APICS)

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struct physid_mask {
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	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)
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#define physid_test_and_set(physid, map)			\
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	test_and_set_bit(physid, (map).mask)

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#define physids_and(dst, src1, src2)					\
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	bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_APICS)

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#define physids_or(dst, src1, src2)					\
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	bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_APICS)

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#define physids_clear(map)					\
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	bitmap_zero((map).mask, MAX_APICS)

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#define physids_complement(dst, src)				\
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	bitmap_complement((dst).mask, (src).mask, MAX_APICS)

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#define physids_empty(map)					\
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	bitmap_empty((map).mask, MAX_APICS)

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#define physids_equal(map1, map2)				\
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	bitmap_equal((map1).mask, (map2).mask, MAX_APICS)

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#define physids_weight(map)					\
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	bitmap_weight((map).mask, MAX_APICS)

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#define physids_shift_right(d, s, n)				\
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	bitmap_shift_right((d).mask, (s).mask, n, MAX_APICS)

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#define physids_shift_left(d, s, n)				\
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	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;						\
	})

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/* Note: will create very large stack frames if physid_mask_t is big */
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#define physid_mask_of_physid(physid)					\
	({								\
		physid_mask_t __physid_mask = PHYSID_MASK_NONE;		\
		physid_set(physid, __physid_mask);			\
		__physid_mask;						\
	})

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static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map)
{
	physids_clear(*map);
	physid_set(physid, *map);
}

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#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;

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extern int generic_mps_oem_check(struct mpc_table *, char *, char *);

extern int default_acpi_madt_oem_check(char *, char *);

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#endif /* _ASM_X86_MPSPEC_H */