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4e497a4d MD |
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 $ | |
c5b0b0ba | 10 | * $DragonFly: src/sys/platform/vkernel/include/smp.h,v 1.3 2007/07/02 02:37:04 dillon Exp $ |
4e497a4d MD |
11 | * |
12 | */ | |
13 | ||
14 | #ifndef _MACHINE_SMP_H_ | |
15 | #define _MACHINE_SMP_H_ | |
16 | ||
17 | #ifdef _KERNEL | |
18 | ||
19 | #if defined(SMP) | |
20 | ||
21 | #ifndef LOCORE | |
22 | ||
23 | #if 0 | |
24 | ||
25 | /* | |
26 | * For sending values to POST displays. | |
27 | * XXX FIXME: where does this really belong, isa.h/isa.c perhaps? | |
28 | */ | |
29 | extern int current_postcode; /** XXX currently in mp_machdep.c */ | |
30 | #define POSTCODE(X) current_postcode = (X), \ | |
31 | outb(0x80, current_postcode) | |
32 | #define POSTCODE_LO(X) current_postcode &= 0xf0, \ | |
33 | current_postcode |= ((X) & 0x0f), \ | |
34 | outb(0x80, current_postcode) | |
35 | #define POSTCODE_HI(X) current_postcode &= 0x0f, \ | |
36 | current_postcode |= (((X) << 4) & 0xf0), \ | |
37 | outb(0x80, current_postcode) | |
38 | ||
39 | ||
40 | #include <machine_base/apic/apicreg.h> | |
41 | #include <machine/pcb.h> | |
42 | ||
43 | /* global data in mpboot.s */ | |
44 | extern int bootMP_size; | |
45 | ||
46 | /* functions in mpboot.s */ | |
47 | void bootMP (void); | |
48 | ||
49 | #endif | |
50 | ||
4e497a4d | 51 | /* global data in apic_vector.s */ |
da23a592 | 52 | extern volatile cpumask_t stopped_cpus; |
c5b0b0ba MD |
53 | extern int optcpus; /* from main() */ |
54 | ||
6a8aa90e | 55 | #if 0 |
da23a592 | 56 | extern volatile cpumask_t started_cpus; |
4e497a4d | 57 | |
da23a592 | 58 | extern volatile cpumask_t checkstate_probed_cpus; |
4e497a4d MD |
59 | extern void (*cpustop_restartfunc) (void); |
60 | ||
61 | /* functions in apic_ipl.s */ | |
4e497a4d MD |
62 | u_int io_apic_read (int, int); |
63 | void io_apic_write (int, int, u_int); | |
64 | ||
65 | #endif | |
66 | ||
67 | #if 0 | |
68 | /* global data in mp_machdep.c */ | |
69 | extern int bsp_apic_ready; | |
70 | extern int mp_naps; | |
71 | extern int mp_nbusses; | |
72 | extern int mp_napics; | |
73 | extern int boot_cpu_id; | |
74 | extern vm_offset_t cpu_apic_address; | |
75 | extern vm_offset_t io_apic_address[]; | |
76 | extern u_int32_t cpu_apic_versions[]; | |
77 | extern u_int32_t *io_apic_versions; | |
78 | extern int cpu_num_to_apic_id[]; | |
79 | extern int io_num_to_apic_id[]; | |
80 | extern int apic_id_to_logical[]; | |
81 | #endif | |
82 | ||
83 | #if 0 | |
84 | #define APIC_INTMAPSIZE 24 | |
85 | struct apic_intmapinfo { | |
86 | int ioapic; | |
87 | int int_pin; | |
88 | volatile void *apic_address; | |
89 | int redirindex; | |
90 | }; | |
91 | extern struct apic_intmapinfo int_to_apicintpin[]; | |
92 | extern struct pcb stoppcbs[]; | |
93 | ||
94 | #endif | |
95 | ||
96 | #if 0 | |
97 | /* functions in mp_machdep.c */ | |
98 | void *permanent_io_mapping(vm_paddr_t); | |
99 | u_int mp_bootaddress (u_int); | |
100 | int mp_probe (void); | |
6a8aa90e | 101 | #endif |
4e497a4d MD |
102 | void mp_start (void); |
103 | void mp_announce (void); | |
6a8aa90e | 104 | #if 0 |
4e497a4d MD |
105 | u_int isa_apic_mask (u_int); |
106 | int isa_apic_irq (int); | |
107 | int pci_apic_irq (int, int, int); | |
108 | int apic_irq (int, int); | |
109 | int next_apic_irq (int); | |
110 | int undirect_isa_irq (int); | |
111 | int undirect_pci_irq (int); | |
112 | int apic_bus_type (int); | |
113 | int apic_src_bus_id (int, int); | |
114 | int apic_src_bus_irq (int, int); | |
115 | int apic_int_type (int, int); | |
116 | int apic_trigger (int, int); | |
117 | int apic_polarity (int, int); | |
118 | void assign_apic_irq (int apic, int intpin, int irq); | |
119 | void revoke_apic_irq (int irq); | |
120 | void init_secondary (void); | |
6a8aa90e | 121 | #endif |
da23a592 | 122 | int stop_cpus (cpumask_t); |
4e497a4d | 123 | void ap_init (void); |
da23a592 | 124 | int restart_cpus (cpumask_t); |
6a8aa90e | 125 | #if 0 |
4e497a4d MD |
126 | void forward_signal (struct proc *); |
127 | ||
128 | #endif | |
129 | ||
130 | #if 0 | |
131 | /* global data in mpapic.c */ | |
132 | extern volatile lapic_t lapic; | |
133 | extern volatile ioapic_t **ioapic; | |
134 | #endif | |
135 | ||
136 | /* functions in mpapic.c */ | |
137 | #if 0 | |
138 | void apic_dump (char*); | |
139 | void apic_initialize (void); | |
140 | void imen_dump (void); | |
141 | int apic_ipi (int, int, int); | |
da23a592 | 142 | void selected_apic_ipi (cpumask_t, int, int); |
4e497a4d MD |
143 | void single_apic_ipi(int cpu, int vector, int delivery_mode); |
144 | int single_apic_ipi_passive(int cpu, int vector, int delivery_mode); | |
145 | int io_apic_setup (int); | |
146 | void io_apic_setup_intpin (int, int); | |
147 | void io_apic_set_id (int, int); | |
148 | int io_apic_get_id (int); | |
149 | int ext_int_setup (int, int); | |
150 | #endif | |
151 | ||
152 | #if 0 | |
153 | void clr_io_apic_mask24 (int, u_int32_t); | |
154 | void set_io_apic_mask24 (int, u_int32_t); | |
155 | #endif | |
156 | ||
157 | #if 0 | |
158 | void set_apic_timer (int); | |
159 | int read_apic_timer (void); | |
160 | void u_sleep (int); | |
161 | #endif | |
162 | void cpu_send_ipiq (int); | |
163 | int cpu_send_ipiq_passive (int); | |
164 | ||
165 | /* global data in init_smp.c */ | |
166 | extern cpumask_t smp_active_mask; | |
167 | ||
168 | #endif /* !LOCORE */ | |
169 | #else /* !SMP */ | |
170 | ||
171 | #define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */ | |
172 | ||
173 | #endif | |
174 | ||
175 | #endif /* _KERNEL */ | |
176 | #endif /* _MACHINE_SMP_H_ */ |