kernel - SMP - "Fix AP #%d (PHY# %d) failed" issues
[dragonfly.git] / sys / platform / pc32 / include / smp.h
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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: src/sys/i386/include/smp.h,v 1.50.2.5 2001/02/13 22:32:45 tegge Exp $
a9295349 10 * $DragonFly: src/sys/platform/pc32/include/smp.h,v 1.20 2006/11/07 06:43:24 dillon Exp $
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11 *
12 */
13
14#ifndef _MACHINE_SMP_H_
15#define _MACHINE_SMP_H_
16
17#ifdef _KERNEL
18
97359a5b 19#if defined(SMP)
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20
21#ifndef LOCORE
22
23/*
24 * For sending values to POST displays.
25 * XXX FIXME: where does this really belong, isa.h/isa.c perhaps?
26 */
27extern int current_postcode; /** XXX currently in mp_machdep.c */
28#define POSTCODE(X) current_postcode = (X), \
29 outb(0x80, current_postcode)
30#define POSTCODE_LO(X) current_postcode &= 0xf0, \
31 current_postcode |= ((X) & 0x0f), \
32 outb(0x80, current_postcode)
33#define POSTCODE_HI(X) current_postcode &= 0x0f, \
34 current_postcode |= (((X) << 4) & 0xf0), \
35 outb(0x80, current_postcode)
36
37
a9295349 38#include <machine_base/apic/apicreg.h>
7949232e 39#include <machine/pcb.h>
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40
41/* global data in mpboot.s */
42extern int bootMP_size;
43
44/* functions in mpboot.s */
3ae0cd58 45void bootMP (void);
984263bc 46
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47/* global data in apic_vector.s */
48extern volatile u_int stopped_cpus;
49extern volatile u_int started_cpus;
50
51extern volatile u_int checkstate_probed_cpus;
3ae0cd58 52extern void (*cpustop_restartfunc) (void);
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53
54/* functions in apic_ipl.s */
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55void apic_eoi (void);
56u_int io_apic_read (int, int);
57void io_apic_write (int, int, u_int);
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58
59/* global data in mp_machdep.c */
984263bc 60extern int mp_naps;
984263bc 61extern int mp_napics;
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62extern vm_offset_t io_apic_address[];
63extern u_int32_t cpu_apic_versions[];
64extern u_int32_t *io_apic_versions;
65extern int cpu_num_to_apic_id[];
66extern int io_num_to_apic_id[];
67extern int apic_id_to_logical[];
fe5f755a 68#define APIC_INTMAPSIZE 32
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69/*
70 * NOTE:
71 * - Keep size of apic_intmapinfo power of 2
72 * - Update IOAPIC_IM_SZSHIFT after changing apic_intmapinfo size
73 */
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74struct apic_intmapinfo {
75 int ioapic;
76 int int_pin;
77 volatile void *apic_address;
78 int redirindex;
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79 uint32_t flags; /* IOAPIC_IM_FLAG_ */
80 uint32_t pad[3];
984263bc 81};
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82#define IOAPIC_IM_SZSHIFT 5
83
84#define IOAPIC_IM_FLAG_LEVEL 0x1 /* default to edge trigger */
ea689d1c 85#define IOAPIC_IM_FLAG_MASKED 0x2
0f546930 86
984263bc 87extern struct apic_intmapinfo int_to_apicintpin[];
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88extern struct pcb stoppcbs[];
89
90/* functions in mp_machdep.c */
f13b5eec 91void *permanent_io_mapping(vm_paddr_t);
3ae0cd58 92u_int mp_bootaddress (u_int);
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93void mp_start (void);
94void mp_announce (void);
a9112655 95void mp_set_cpuids (int, int);
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96u_int isa_apic_mask (u_int);
97int isa_apic_irq (int);
98int pci_apic_irq (int, int, int);
99int apic_irq (int, int);
100int next_apic_irq (int);
101int undirect_isa_irq (int);
102int undirect_pci_irq (int);
103int apic_bus_type (int);
104int apic_src_bus_id (int, int);
105int apic_src_bus_irq (int, int);
106int apic_int_type (int, int);
107int apic_trigger (int, int);
108int apic_polarity (int, int);
109void assign_apic_irq (int apic, int intpin, int irq);
110void revoke_apic_irq (int irq);
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111void init_secondary (void);
112int stop_cpus (u_int);
113void ap_init (void);
114int restart_cpus (u_int);
3ae0cd58 115void forward_signal (struct proc *);
984263bc 116
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117#ifndef _SYS_QUEUE_H_
118#include <sys/queue.h>
119#endif
120
121struct lapic_enumerator {
122 int lapic_prio;
123 TAILQ_ENTRY(lapic_enumerator) lapic_link;
124 int (*lapic_probe)(struct lapic_enumerator *);
125 void (*lapic_enumerate)(struct lapic_enumerator *);
126};
127
128#define LAPIC_ENUM_PRIO_MPTABLE 20
129#define LAPIC_ENUM_PRIO_MADT 40
130
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131/* global data in mpapic.c */
132extern volatile lapic_t lapic;
133extern volatile ioapic_t **ioapic;
134
135/* functions in mpapic.c */
3ae0cd58 136void apic_dump (char*);
b52c8db0 137void apic_initialize (boolean_t);
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138void imen_dump (void);
139int apic_ipi (int, int, int);
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140void selected_apic_ipi (u_int, int, int);
141void single_apic_ipi(int cpu, int vector, int delivery_mode);
142int single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
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143int io_apic_setup (int);
144void io_apic_setup_intpin (int, int);
145void io_apic_set_id (int, int);
146int io_apic_get_id (int);
147int ext_int_setup (int, int);
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148void lapic_config(void);
149void lapic_enumerator_register(struct lapic_enumerator *);
85fd9f87 150
984263bc 151#if defined(READY)
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152void clr_io_apic_mask24 (int, u_int32_t);
153void set_io_apic_mask24 (int, u_int32_t);
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154#endif /* READY */
155
3ae0cd58 156void set_apic_timer (int);
bb467734 157int get_apic_timer_frequency(void);
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158int read_apic_timer (void);
159void u_sleep (int);
160void cpu_send_ipiq (int);
41a01a4d 161int cpu_send_ipiq_passive (int);
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162
163/* global data in init_smp.c */
0f7a3396 164extern cpumask_t smp_active_mask;
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165
166#endif /* !LOCORE */
97359a5b 167#else /* !SMP */
984263bc 168
0f7a3396 169#define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */
75cdbe6c 170
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171#endif
172
173#endif /* _KERNEL */
174#endif /* _MACHINE_SMP_H_ */