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 /* 23 * For sending values to POST displays. 24 * XXX FIXME: where does this really belong, isa.h/isa.c perhaps? 25 */ 26 extern int current_postcode; /** XXX currently in mp_machdep.c */ 27 #define POSTCODE(X) current_postcode = (X), \ 28 outb(0x80, current_postcode) 29 #define POSTCODE_LO(X) current_postcode &= 0xf0, \ 30 current_postcode |= ((X) & 0x0f), \ 31 outb(0x80, current_postcode) 32 #define POSTCODE_HI(X) current_postcode &= 0x0f, \ 33 current_postcode |= (((X) << 4) & 0xf0), \ 34 outb(0x80, current_postcode) 35 36 #include <sys/bus.h> 37 #include <machine/frame.h> 38 #include <machine/intr_machdep.h> 39 #include <machine/apicvar.h> 40 41 /* global data in mpboot.s */ 42 extern int bootMP_size; 43 44 /* functions in mpboot.s */ 45 void bootMP(void); 46 47 /* global data in mp_machdep.c */ 48 extern int mp_naps; 49 extern int boot_cpu_id; 50 extern struct pcb stoppcbs[]; 51 extern struct mtx smp_tlb_mtx; 52 53 /* IPI handlers */ 54 inthand_t 55 IDTVEC(invltlb), /* TLB shootdowns - global */ 56 IDTVEC(invlpg), /* TLB shootdowns - 1 page */ 57 IDTVEC(invlrng), /* TLB shootdowns - page range */ 58 IDTVEC(hardclock), /* Forward hardclock() */ 59 IDTVEC(statclock), /* Forward statclock() */ 60 IDTVEC(cpuast), /* Additional software trap on other cpu */ 61 IDTVEC(cpustop), /* CPU stops & waits to be restarted */ 62 IDTVEC(rendezvous), /* handle CPU rendezvous */ 63 IDTVEC(lazypmap); /* handle lazy pmap release */ 64 65 /* functions in mp_machdep.c */ 66 void cpu_add(u_int apic_id, char boot_cpu); 67 void init_secondary(void); 68 void ipi_selected(u_int cpus, u_int ipi); 69 void ipi_all(u_int ipi); 70 void ipi_all_but_self(u_int ipi); 71 void ipi_self(u_int ipi); 72 void forward_statclock(void); 73 void forwarded_statclock(struct clockframe frame); 74 void forward_hardclock(void); 75 void forwarded_hardclock(struct clockframe frame); 76 u_int mp_bootaddress(u_int); 77 int mp_grab_cpu_hlt(void); 78 void mp_topology(void); 79 void smp_invlpg(vm_offset_t addr); 80 void smp_masked_invlpg(u_int mask, vm_offset_t addr); 81 void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva); 82 void smp_masked_invlpg_range(u_int mask, vm_offset_t startva, 83 vm_offset_t endva); 84 void smp_invltlb(void); 85 void smp_masked_invltlb(u_int mask); 86 87 #endif /* !LOCORE */ 88 #endif /* SMP */ 89 90 #endif /* _KERNEL */ 91 #endif /* _MACHINE_SMP_H_ */ 92