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135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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* ----------------------------------------------------------------------------
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*
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* $Id: smp.h,v 1.8 1997/05/07 19:53:20 peter Exp $
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*
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*/
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#ifndef _MACHINE_SMP_H_
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#define _MACHINE_SMP_H_
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#ifdef KERNEL
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#if defined(SMP) && !defined(APIC_IO)
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# error APIC_IO required for SMP, add "options APIC_IO" to your config file.
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#endif /* SMP && NCPU */
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#if defined(SMP) && !defined(NCPU)
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# define NCPU 2
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#endif /* SMP && NCPU */
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#if defined(SMP) || defined(APIC_IO)
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/* global data in mpboot.s */
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extern int bootMP_size;
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/* functions in mpboot.s */
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void bootMP __P((void));
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/* global data in mplock.s */
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extern u_int mp_lock;
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/* functions in mplock.s */
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void get_mplock __P((void));
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void rel_mplock __P((void));
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void try_mplock __P((void));
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/* global data in mp_machdep.c */
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extern int mp_ncpus;
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extern int mp_naps;
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extern int mp_nbusses;
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extern int mp_napics;
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extern int mp_picmode;
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extern int mpenabled;
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extern int boot_cpu_id;
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extern vm_offset_t cpu_apic_address;
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extern vm_offset_t io_apic_address[];
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extern u_int32_t cpu_apic_versions[];
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extern u_int32_t io_apic_versions[];
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extern int cpu_num_to_apic_id[];
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extern int io_num_to_apic_id[];
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extern int apic_id_to_logical[];
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/* functions in mp_machdep.c */
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u_int mp_bootaddress __P((u_int));
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int mp_probe __P((void));
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void mp_start __P((void));
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void mp_announce __P((void));
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int get_isa_apic_irq __P((int));
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u_int get_isa_apic_mask __P((u_int));
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int undirect_isa_irq __P((int));
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int get_eisa_apic_irq __P((int));
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int get_pci_apic_irq __P((int, int, int));
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int undirect_pci_irq __P((int));
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int apic_bus_type __P((int));
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int apic_src_bus_id __P((int, int));
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int apic_src_bus_irq __P((int, int));
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int apic_int_type __P((int, int));
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int apic_trigger __P((int, int));
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int apic_polarity __P((int, int));
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void configure_local_apic __P((void));
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void init_secondary __P((void));
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void smp_invltlb __P((void));
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/* global data in mpapic.c */
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extern volatile u_int* apic_base;
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#if defined(MULTIPLE_IOAPICS)
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#error MULTIPLE_IOAPICSXXX
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#else
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extern volatile u_int* io_apic_base;
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#endif /* MULTIPLE_IOAPICS */
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/* functions in mpapic.c */
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void apic_initialize __P((int));
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int apic_ipi __P((int, int, int));
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int selected_apic_ipi __P((u_int, int, int));
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int io_apic_setup __P((int));
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int ext_int_setup __P((int, int));
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void write_io_apic_mask24 __P((int, u_int32_t));
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#if defined(READY)
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void clr_io_apic_mask24 __P((int, u_int32_t));
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void set_io_apic_mask24 __P((int, u_int32_t));
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#endif /* READY */
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void set_apic_timer __P((int));
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int read_apic_timer __P((void));
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void u_sleep __P((int));
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/* global data in init_smp.c */
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extern int smp_active;
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extern int invltlb_ok;
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/* in pmap.c FIXME: belongs in pmap.h??? */
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void pmap_bootstrap_apics __P((void));
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void pmap_bootstrap2 __P((void));
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#if 0
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/* chicken and egg problem... */
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static __inline unsigned
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cpunumber(void)
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{
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return (unsigned)ID_TO_CPU((apic_base[APIC_ID] & APIC_ID_MASK) >> 24);
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}
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#else
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/*
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* we 'borrow' this info from apic.h
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* this will go away soon...
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*/
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static __inline unsigned
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cpunumber(void)
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{
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return (unsigned)(apic_id_to_logical[(apic_base[8] & 0x0f000000) >> 24]);
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}
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#endif /* 0 */
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#endif /* SMP || APIC_IO */
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#endif /* KERNEL */
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#endif /* _MACHINE_SMP_H_ */
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