FreeBSD/Linux Kernel Cross Reference
sys/i386/include/smp.h
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: releng/5.2/sys/i386/include/smp.h 121996 2003-11-03 22:32:04Z jhb $
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 smp_invlpg(vm_offset_t addr);
79 void smp_masked_invlpg(u_int mask, vm_offset_t addr);
80 void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva);
81 void smp_masked_invlpg_range(u_int mask, vm_offset_t startva,
82 vm_offset_t endva);
83 void smp_invltlb(void);
84 void smp_masked_invltlb(u_int mask);
85
86 #endif /* !LOCORE */
87 #endif /* SMP */
88
89 #endif /* _KERNEL */
90 #endif /* _MACHINE_SMP_H_ */
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