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 $
12 #ifndef _MACHINE_SMP_H_
13 #define _MACHINE_SMP_H_
22 * For sending values to POST displays.
23 * XXX FIXME: where does this really belong, isa.h/isa.c perhaps?
25 extern int current_postcode; /** XXX currently in mp_machdep.c */
26 #define POSTCODE(X) current_postcode = (X), \
27 outb(0x80, current_postcode)
28 #define POSTCODE_LO(X) current_postcode &= 0xf0, \
29 current_postcode |= ((X) & 0x0f), \
30 outb(0x80, current_postcode)
31 #define POSTCODE_HI(X) current_postcode &= 0x0f, \
32 current_postcode |= (((X) << 4) & 0xf0), \
33 outb(0x80, current_postcode)
36 #include <machine_base/apic/apicreg.h>
37 #include <machine/pcb.h>
39 /* global data in mpboot.s */
40 extern int bootMP_size;
42 /* functions in mpboot.s */
47 /* global data in apic_vector.s */
48 extern volatile cpumask_t stopped_cpus;
49 extern int optcpus; /* from main() */
50 extern int vkernel_b_arg; /* arg from main() */
51 extern int vkernel_B_arg; /* arg from main() */
54 extern volatile cpumask_t started_cpus;
56 extern volatile cpumask_t checkstate_probed_cpus;
57 extern void (*cpustop_restartfunc) (void);
59 /* functions in apic_ipl.s */
60 u_int io_apic_read (int, int);
61 void io_apic_write (int, int, u_int);
66 /* global data in mp_machdep.c */
67 extern int bsp_apic_ready;
69 extern int mp_nbusses;
71 extern int boot_cpu_id;
72 extern vm_offset_t cpu_apic_address;
73 extern vm_offset_t io_apic_address[];
74 extern u_int32_t cpu_apic_versions[];
75 extern u_int32_t *io_apic_versions;
76 extern int cpu_num_to_apic_id[];
77 extern int io_num_to_apic_id[];
78 extern int apic_id_to_logical[];
82 #define APIC_INTMAPSIZE 24
83 struct apic_intmapinfo {
86 volatile void *apic_address;
89 extern struct apic_intmapinfo int_to_apicintpin[];
90 extern struct pcb stoppcbs[];
95 /* functions in mp_machdep.c */
96 void *permanent_io_mapping(vm_paddr_t);
97 u_int mp_bootaddress (u_int);
100 void mp_start (void);
101 void mp_announce (void);
103 u_int isa_apic_mask (u_int);
104 int isa_apic_irq (int);
105 int pci_apic_irq (int, int, int);
106 int apic_irq (int, int);
107 int next_apic_irq (int);
108 int undirect_isa_irq (int);
109 int undirect_pci_irq (int);
110 int apic_bus_type (int);
111 int apic_src_bus_id (int, int);
112 int apic_src_bus_irq (int, int);
113 int apic_int_type (int, int);
114 int apic_trigger (int, int);
115 int apic_polarity (int, int);
116 void assign_apic_irq (int apic, int intpin, int irq);
117 void revoke_apic_irq (int irq);
118 void init_secondary (void);
120 int stop_cpus (cpumask_t);
122 int restart_cpus (cpumask_t);
124 void forward_signal (struct proc *);
129 /* global data in mpapic.c */
130 extern volatile lapic_t lapic;
131 extern volatile ioapic_t **ioapic;
134 /* functions in mpapic.c */
136 void apic_dump (char*);
137 void apic_initialize (void);
138 void imen_dump (void);
139 int apic_ipi (int, int, int);
140 void selected_apic_ipi (cpumask_t, int, int);
141 void single_apic_ipi(int cpu, int vector, int delivery_mode);
142 int single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
143 int io_apic_setup (int);
144 void io_apic_setup_intpin (int, int);
145 void io_apic_set_id (int, int);
146 int io_apic_get_id (int);
147 int ext_int_setup (int, int);
151 void clr_io_apic_mask24 (int, u_int32_t);
152 void set_io_apic_mask24 (int, u_int32_t);
156 void set_apic_timer (int);
157 int read_apic_timer (void);
160 void cpu_send_ipiq (int);
161 int cpu_send_ipiq_passive (int);
163 /* global data in init_smp.c */
164 extern cpumask_t smp_active_mask;
166 /* Detect CPU topology bits */
167 void detect_cpu_topology(void);
169 /* Interface functions for IDs calculation */
170 int get_chip_ID(int cpuid);
171 int get_core_number_within_chip(int cpuid);
172 int get_logical_CPU_number_within_core(int cpuid);
174 /* Assume that APICID = CPUID for virtual processors */
175 #define get_cpuid_from_apicid(cpuid) cpuid
176 #define get_apicid_from_cpuid(cpuid) cpuid
181 #endif /* _MACHINE_SMP_H_ */