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 * ----------------------------------------------------------------------------
9 * $FreeBSD: src/sys/i386/include/smp.h,v 1.50.2.5 2001/02/13 22:32:45 tegge Exp $
10 * $DragonFly: src/sys/platform/pc32/include/smp.h,v 1.20 2006/11/07 06:43:24 dillon Exp $
14 #ifndef _MACHINE_SMP_H_
15 #define _MACHINE_SMP_H_
20 * Size of APIC ID list.
21 * Also used a MAX size of various other arrays.
30 * For sending values to POST displays.
31 * XXX FIXME: where does this really belong, isa.h/isa.c perhaps?
33 extern int current_postcode; /** XXX currently in mp_machdep.c */
34 #define POSTCODE(X) current_postcode = (X), \
35 outb(0x80, current_postcode)
36 #define POSTCODE_LO(X) current_postcode &= 0xf0, \
37 current_postcode |= ((X) & 0x0f), \
38 outb(0x80, current_postcode)
39 #define POSTCODE_HI(X) current_postcode &= 0x0f, \
40 current_postcode |= (((X) << 4) & 0xf0), \
41 outb(0x80, current_postcode)
44 #include <machine_base/apic/apicreg.h>
45 #include <machine/pcb.h>
47 /* global data in mpboot.s */
48 extern int bootMP_size;
50 /* functions in mpboot.s */
53 /* global data in apic_vector.s */
54 extern volatile cpumask_t stopped_cpus;
55 extern volatile cpumask_t started_cpus;
57 extern volatile u_int checkstate_probed_cpus;
58 extern void (*cpustop_restartfunc) (void);
60 /* global data in mp_machdep.c */
61 extern int imcr_present;
64 #define APIC_INTMAPSIZE 192
67 * - Keep size of apic_intmapinfo power of 2
68 * - Update IOAPIC_IM_SZSHIFT after changing apic_intmapinfo size
70 struct apic_intmapinfo {
73 volatile void *apic_address;
75 uint32_t flags; /* IOAPIC_IM_FLAG_ */
78 #define IOAPIC_IM_SZSHIFT 5
80 #define IOAPIC_IM_FLAG_LEVEL 0x1 /* default to edge trigger */
81 #define IOAPIC_IM_FLAG_MASKED 0x2
83 extern struct apic_intmapinfo int_to_apicintpin[];
84 extern struct pcb stoppcbs[];
86 /* functions in mp_machdep.c */
87 u_int mp_bootaddress (u_int);
89 void mp_announce (void);
90 void init_secondary (void);
91 int stop_cpus (cpumask_t);
93 int restart_cpus (cpumask_t);
94 void forward_signal (struct proc *);
95 int mptable_pci_int_route(int, int, int, int);
96 void mptable_pci_int_dump(void);
98 extern int apic_io_enable;
101 void clr_io_apic_mask24 (int, u_int32_t);
102 void set_io_apic_mask24 (int, u_int32_t);
105 void cpu_send_ipiq (int);
106 int cpu_send_ipiq_passive (int);
108 /* global data in init_smp.c */
109 extern cpumask_t smp_active_mask;
114 #define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */
119 #endif /* _MACHINE_SMP_H_ */