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_
21 /* XXX wrong header */
22 void initializecpu(void);
31 * For sending values to POST displays.
32 * XXX FIXME: where does this really belong, isa.h/isa.c perhaps?
34 extern int current_postcode; /** XXX currently in mp_machdep.c */
35 #define POSTCODE(X) current_postcode = (X), \
36 outb(0x80, current_postcode)
37 #define POSTCODE_LO(X) current_postcode &= 0xf0, \
38 current_postcode |= ((X) & 0x0f), \
39 outb(0x80, current_postcode)
40 #define POSTCODE_HI(X) current_postcode &= 0x0f, \
41 current_postcode |= (((X) << 4) & 0xf0), \
42 outb(0x80, current_postcode)
45 #include <machine_base/apic/apicreg.h>
46 #include <machine/pcb.h>
48 /* global symbols in mpboot.S */
49 extern char mptramp_start[];
50 extern char mptramp_end[];
51 extern u_int32_t mptramp_pagetables;
53 /* functions in mpboot.s */
56 /* global data in apic_vector.s */
57 extern volatile u_int stopped_cpus;
58 extern volatile u_int started_cpus;
60 extern volatile u_int checkstate_probed_cpus;
61 extern void (*cpustop_restartfunc) (void);
63 /* functions in apic_ipl.s */
64 u_int io_apic_read (int, int);
65 void io_apic_write (int, int, u_int);
67 /* global data in mp_machdep.c */
70 extern vm_offset_t cpu_apic_address;
71 extern vm_offset_t io_apic_address[];
72 extern u_int32_t cpu_apic_versions[];
73 extern u_int32_t *io_apic_versions;
74 extern int cpu_num_to_apic_id[];
75 extern int io_num_to_apic_id[];
76 extern int apic_id_to_logical[];
77 #define APIC_INTMAPSIZE 24
78 struct apic_intmapinfo {
81 volatile void *apic_address;
84 extern struct apic_intmapinfo int_to_apicintpin[];
85 extern struct pcb stoppcbs[];
87 /* functions in mp_machdep.c */
88 void *permanent_io_mapping(vm_paddr_t);
89 u_int mp_bootaddress (u_int);
91 void mp_announce (void);
92 void mp_set_cpuids (int, int);
93 u_int isa_apic_mask (u_int);
94 int isa_apic_irq (int);
95 int pci_apic_irq (int, int, int);
96 int apic_irq (int, int);
97 int next_apic_irq (int);
98 int undirect_isa_irq (int);
99 int undirect_pci_irq (int);
100 int apic_bus_type (int);
101 int apic_src_bus_id (int, int);
102 int apic_src_bus_irq (int, int);
103 int apic_int_type (int, int);
104 int apic_trigger (int, int);
105 int apic_polarity (int, int);
106 void assign_apic_irq (int apic, int intpin, int irq);
107 void revoke_apic_irq (int irq);
108 void init_secondary (void);
109 int stop_cpus (u_int);
111 int restart_cpus (u_int);
112 void forward_signal (struct proc *);
114 /* global data in mpapic.c */
115 extern volatile lapic_t *lapic;
116 extern volatile ioapic_t **ioapic;
118 /* functions in mpapic.c */
119 void apic_dump (char*);
120 void apic_initialize (boolean_t);
121 void imen_dump (void);
122 int apic_ipi (int, int, int);
123 void selected_apic_ipi (u_int, int, int);
124 void single_apic_ipi(int cpu, int vector, int delivery_mode);
125 int single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
126 int io_apic_setup (int);
127 void io_apic_setup_intpin (int, int);
128 void io_apic_set_id (int, int);
129 int io_apic_get_id (int);
130 int ext_int_setup (int, int);
132 /* functions in mp_madt.c */
133 vm_paddr_t madt_probe(void);
134 vm_offset_t madt_pass1(vm_paddr_t);
135 int madt_pass2(vm_paddr_t, int);
138 void clr_io_apic_mask24 (int, u_int32_t);
139 void set_io_apic_mask24 (int, u_int32_t);
142 void set_apic_timer (int);
143 int get_apic_timer_frequency(void);
144 int read_apic_timer (void);
146 void cpu_send_ipiq (int);
147 int cpu_send_ipiq_passive (int);
149 /* global data in init_smp.c */
150 extern cpumask_t smp_active_mask;
155 #define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */
160 #endif /* _MACHINE_SMP_H_ */