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 #endif 45 46 /* IPI handlers */ 47 inthand_t 48 IDTVEC(invltlb), /* TLB shootdowns - global */ 49 IDTVEC(invlpg), /* TLB shootdowns - 1 page */ 50 IDTVEC(invlrng), /* TLB shootdowns - page range */ 51 IDTVEC(invlcache), /* Write back and invalidate cache */ 52 IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */ 53 IDTVEC(cpustop), /* CPU stops & waits to be restarted */ 54 IDTVEC(cpususpend), /* CPU suspends & waits to be resumed */ 55 IDTVEC(rendezvous); /* handle CPU rendezvous */ 56 57 /* functions in mp_machdep.c */ 58 void cpu_add(u_int apic_id, char boot_cpu); 59 void cpustop_handler(void); 60 void cpususpend_handler(void); 61 void init_secondary(void); 62 void ipi_all_but_self(u_int ipi); 63 void ipi_bitmap_handler(struct trapframe frame); 64 void ipi_cpu(int cpu, u_int ipi); 65 int ipi_nmi_handler(void); 66 void ipi_selected(cpuset_t cpus, u_int ipi); 67 u_int mp_bootaddress(u_int); 68 void smp_cache_flush(void); 69 void smp_invlpg(vm_offset_t addr); 70 void smp_masked_invlpg(cpuset_t mask, vm_offset_t addr); 71 void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva); 72 void smp_masked_invlpg_range(cpuset_t mask, vm_offset_t startva, 73 vm_offset_t endva); 74 void smp_invltlb(void); 75 void smp_masked_invltlb(cpuset_t mask); 76 77 #endif /* !LOCORE */ 78 #endif /* SMP */ 79 80 #endif /* _KERNEL */ 81 #endif /* _MACHINE_SMP_H_ */ 82