1 /*- 2 * ---------------------------------------------------------------------------- 3 * "THE BEER-WARE LICENSE" (Revision 42): 4 * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you 5 * can do whatever you want with this stuff. If we meet some day, and you think 6 * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp 7 * ---------------------------------------------------------------------------- 8 * 9 * $FreeBSD$ 10 * 11 */ 12 13 #ifndef _MACHINE_SMP_H_ 14 #define _MACHINE_SMP_H_ 15 16 #ifdef _KERNEL 17 18 #ifdef SMP 19 20 #ifndef LOCORE 21 22 #include <sys/bus.h> 23 #include <machine/frame.h> 24 #include <machine/intr_machdep.h> 25 #include <machine/apicvar.h> 26 #include <machine/pcb.h> 27 28 /* global symbols in mpboot.S */ 29 extern char mptramp_start[]; 30 extern char mptramp_end[]; 31 extern u_int32_t mptramp_pagetables; 32 33 /* global data in mp_machdep.c */ 34 extern int mp_naps; 35 extern int boot_cpu_id; 36 extern struct pcb stoppcbs[]; 37 extern int cpu_apic_ids[]; 38 #ifdef COUNT_IPIS 39 extern u_long *ipi_invltlb_counts[MAXCPU]; 40 extern u_long *ipi_invlrng_counts[MAXCPU]; 41 extern u_long *ipi_invlpg_counts[MAXCPU]; 42 extern u_long *ipi_invlcache_counts[MAXCPU]; 43 extern u_long *ipi_rendezvous_counts[MAXCPU]; 44 extern u_long *ipi_lazypmap_counts[MAXCPU]; 45 #endif 46 47 /* IPI handlers */ 48 inthand_t 49 IDTVEC(invltlb), /* TLB shootdowns - global */ 50 IDTVEC(invlpg), /* TLB shootdowns - 1 page */ 51 IDTVEC(invlrng), /* TLB shootdowns - page range */ 52 IDTVEC(invlcache), /* Write back and invalidate cache */ 53 IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */ 54 IDTVEC(cpustop), /* CPU stops & waits to be restarted */ 55 IDTVEC(cpususpend), /* CPU suspends & waits to be resumed */ 56 IDTVEC(rendezvous); /* handle CPU rendezvous */ 57 58 /* functions in mp_machdep.c */ 59 void cpu_add(u_int apic_id, char boot_cpu); 60 void cpustop_handler(void); 61 void cpususpend_handler(void); 62 void init_secondary(void); 63 void ipi_all_but_self(u_int ipi); 64 void ipi_bitmap_handler(struct trapframe frame); 65 void ipi_cpu(int cpu, u_int ipi); 66 int ipi_nmi_handler(void); 67 void ipi_selected(cpumask_t cpus, u_int ipi); 68 u_int mp_bootaddress(u_int); 69 int mp_grab_cpu_hlt(void); 70 void smp_cache_flush(void); 71 void smp_invlpg(vm_offset_t addr); 72 void smp_masked_invlpg(cpumask_t mask, vm_offset_t addr); 73 void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva); 74 void smp_masked_invlpg_range(cpumask_t mask, vm_offset_t startva, 75 vm_offset_t endva); 76 void smp_invltlb(void); 77 void smp_masked_invltlb(cpumask_t mask); 78 79 #endif /* !LOCORE */ 80 #endif /* SMP */ 81 82 #endif /* _KERNEL */ 83 #endif /* _MACHINE_SMP_H_ */ 84