diff options
Diffstat (limited to 'sys/x86/include/x86_smp.h')
| -rw-r--r-- | sys/x86/include/x86_smp.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/sys/x86/include/x86_smp.h b/sys/x86/include/x86_smp.h new file mode 100644 index 000000000000..38d762546e12 --- /dev/null +++ b/sys/x86/include/x86_smp.h @@ -0,0 +1,103 @@ +/*- + * ---------------------------------------------------------------------------- + * "THE BEER-WARE LICENSE" (Revision 42): + * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you + * can do whatever you want with this stuff. If we meet some day, and you think + * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp + * ---------------------------------------------------------------------------- + * + * $FreeBSD$ + * + */ + +#ifndef _X86_X86_SMP_H_ +#define _X86_X86_SMP_H_ + +#include <sys/bus.h> +#include <machine/frame.h> +#include <machine/intr_machdep.h> +#include <x86/apicvar.h> +#include <machine/pcb.h> + +struct pmap; + +/* global data in mp_x86.c */ +extern int mp_naps; +extern int boot_cpu_id; +extern struct pcb stoppcbs[]; +extern int cpu_apic_ids[]; +extern int bootAP; +extern void *dpcpu; +extern char *bootSTK; +extern void *bootstacks[]; +extern volatile u_int cpu_ipi_pending[]; +extern volatile int aps_ready; +extern struct mtx ap_boot_mtx; +extern int cpu_logical; +extern int cpu_cores; +extern volatile int smp_tlb_wait; +extern struct pmap *smp_tlb_pmap; +extern u_int xhits_gbl[]; +extern u_int xhits_pg[]; +extern u_int xhits_rng[]; +extern u_int ipi_global; +extern u_int ipi_page; +extern u_int ipi_range; +extern u_int ipi_range_size; + +struct cpu_info { + int cpu_present:1; + int cpu_bsp:1; + int cpu_disabled:1; + int cpu_hyperthread:1; +}; +extern struct cpu_info cpu_info[]; + +#ifdef COUNT_IPIS +extern u_long *ipi_invltlb_counts[MAXCPU]; +extern u_long *ipi_invlrng_counts[MAXCPU]; +extern u_long *ipi_invlpg_counts[MAXCPU]; +extern u_long *ipi_invlcache_counts[MAXCPU]; +extern u_long *ipi_rendezvous_counts[MAXCPU]; +#endif + +/* IPI handlers */ +inthand_t + IDTVEC(invltlb), /* TLB shootdowns - global */ + IDTVEC(invlpg), /* TLB shootdowns - 1 page */ + IDTVEC(invlrng), /* TLB shootdowns - page range */ + IDTVEC(invlcache), /* Write back and invalidate cache */ + IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */ + IDTVEC(cpustop), /* CPU stops & waits to be restarted */ + IDTVEC(cpususpend), /* CPU suspends & waits to be resumed */ + IDTVEC(rendezvous); /* handle CPU rendezvous */ + +/* functions in x86_mp.c */ +void assign_cpu_ids(void); +void cpu_add(u_int apic_id, char boot_cpu); +void cpustop_handler(void); +void cpususpend_handler(void); +void init_secondary_tail(void); +void invltlb_handler(void); +void invlpg_handler(void); +void invlrng_handler(void); +void invlcache_handler(void); +void init_secondary(void); +void ipi_startup(int apic_id, int vector); +void ipi_all_but_self(u_int ipi); +void ipi_bitmap_handler(struct trapframe frame); +void ipi_cpu(int cpu, u_int ipi); +int ipi_nmi_handler(void); +void ipi_selected(cpuset_t cpus, u_int ipi); +u_int mp_bootaddress(u_int); +void set_interrupt_apic_ids(void); +void smp_cache_flush(void); +void smp_masked_invlpg(cpuset_t mask, vm_offset_t addr); +void smp_masked_invlpg_range(cpuset_t mask, vm_offset_t startva, + vm_offset_t endva); +void smp_masked_invltlb(cpuset_t mask, struct pmap *pmap); +void mem_range_AP_init(void); +void topo_probe(void); +void ipi_send_cpu(int cpu, u_int ipi); + +#endif |