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/vkernel/include/smp.h,v 1.3 2007/07/02 02:37:04 dillon Exp $
14 #ifndef _MACHINE_SMP_H_
15 #define _MACHINE_SMP_H_
26 * For sending values to POST displays.
27 * XXX FIXME: where does this really belong, isa.h/isa.c perhaps?
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)
40 #include <machine_base/apic/apicreg.h>
41 #include <machine/pcb.h>
43 /* global data in mpboot.s */
44 extern int bootMP_size;
46 /* functions in mpboot.s */
51 /* global data in apic_vector.s */
52 extern volatile cpumask_t stopped_cpus;
53 extern int optcpus; /* from main() */
56 extern volatile cpumask_t started_cpus;
58 extern volatile cpumask_t checkstate_probed_cpus;
59 extern void (*cpustop_restartfunc) (void);
61 /* functions in apic_ipl.s */
63 u_int io_apic_read (int, int);
64 void io_apic_write (int, int, u_int);
69 /* global data in mp_machdep.c */
70 extern int bsp_apic_ready;
72 extern int mp_nbusses;
74 extern int boot_cpu_id;
75 extern vm_offset_t cpu_apic_address;
76 extern vm_offset_t io_apic_address[];
77 extern u_int32_t cpu_apic_versions[];
78 extern u_int32_t *io_apic_versions;
79 extern int cpu_num_to_apic_id[];
80 extern int io_num_to_apic_id[];
81 extern int apic_id_to_logical[];
85 #define APIC_INTMAPSIZE 24
86 struct apic_intmapinfo {
89 volatile void *apic_address;
92 extern struct apic_intmapinfo int_to_apicintpin[];
93 extern struct pcb stoppcbs[];
98 /* functions in mp_machdep.c */
99 void *permanent_io_mapping(vm_paddr_t);
100 u_int mp_bootaddress (u_int);
103 void mp_start (void);
104 void mp_announce (void);
106 u_int isa_apic_mask (u_int);
107 int isa_apic_irq (int);
108 int pci_apic_irq (int, int, int);
109 int apic_irq (int, int);
110 int next_apic_irq (int);
111 int undirect_isa_irq (int);
112 int undirect_pci_irq (int);
113 int apic_bus_type (int);
114 int apic_src_bus_id (int, int);
115 int apic_src_bus_irq (int, int);
116 int apic_int_type (int, int);
117 int apic_trigger (int, int);
118 int apic_polarity (int, int);
119 void assign_apic_irq (int apic, int intpin, int irq);
120 void revoke_apic_irq (int irq);
121 void init_secondary (void);
123 int stop_cpus (cpumask_t);
125 int restart_cpus (cpumask_t);
127 void forward_signal (struct proc *);
132 /* global data in mpapic.c */
133 extern volatile lapic_t lapic;
134 extern volatile ioapic_t **ioapic;
137 /* functions in mpapic.c */
139 void apic_dump (char*);
140 void apic_initialize (void);
141 void imen_dump (void);
142 int apic_ipi (int, int, int);
143 void selected_apic_ipi (cpumask_t, int, int);
144 void single_apic_ipi(int cpu, int vector, int delivery_mode);
145 int single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
146 int io_apic_setup (int);
147 void io_apic_setup_intpin (int, int);
148 void io_apic_set_id (int, int);
149 int io_apic_get_id (int);
150 int ext_int_setup (int, int);
154 void clr_io_apic_mask24 (int, u_int32_t);
155 void set_io_apic_mask24 (int, u_int32_t);
159 void set_apic_timer (int);
160 int read_apic_timer (void);
163 void cpu_send_ipiq (int);
164 int cpu_send_ipiq_passive (int);
166 /* global data in init_smp.c */
167 extern cpumask_t smp_active_mask;
172 #define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */
177 #endif /* _MACHINE_SMP_H_ */