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_
24 * For sending values to POST displays.
25 * XXX FIXME: where does this really belong, isa.h/isa.c perhaps?
27 extern 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)
38 #include <machine_base/apic/apicreg.h>
39 #include <machine/pcb.h>
41 /* global data in mpboot.s */
42 extern int bootMP_size;
44 /* functions in mpboot.s */
47 /* global data in apic_vector.s */
48 extern volatile u_int stopped_cpus;
49 extern volatile u_int started_cpus;
51 extern volatile u_int checkstate_probed_cpus;
52 extern void (*cpustop_restartfunc) (void);
54 /* functions in apic_ipl.s */
56 u_int io_apic_read (int, int);
57 void io_apic_write (int, int, u_int);
59 /* global data in mp_machdep.c */
62 extern vm_offset_t io_apic_address[];
63 extern u_int32_t cpu_apic_versions[];
64 extern u_int32_t *io_apic_versions;
65 extern int cpu_num_to_apic_id[];
66 extern int io_num_to_apic_id[];
67 extern int apic_id_to_logical[];
68 #define APIC_INTMAPSIZE 24
71 * - Keep size of apic_intmapinfo power of 2
72 * - Update IOAPIC_IM_SZSHIFT after changing apic_intmapinfo size
74 struct apic_intmapinfo {
77 volatile void *apic_address;
80 #define IOAPIC_IM_SZSHIFT 4
81 extern struct apic_intmapinfo int_to_apicintpin[];
82 extern struct pcb stoppcbs[];
84 /* functions in mp_machdep.c */
85 void *permanent_io_mapping(vm_paddr_t);
86 u_int mp_bootaddress (u_int);
88 void mp_announce (void);
89 void mp_set_cpuids (int, int);
90 u_int isa_apic_mask (u_int);
91 int isa_apic_irq (int);
92 int pci_apic_irq (int, int, int);
93 int apic_irq (int, int);
94 int next_apic_irq (int);
95 int undirect_isa_irq (int);
96 int undirect_pci_irq (int);
97 int apic_bus_type (int);
98 int apic_src_bus_id (int, int);
99 int apic_src_bus_irq (int, int);
100 int apic_int_type (int, int);
101 int apic_trigger (int, int);
102 int apic_polarity (int, int);
103 void assign_apic_irq (int apic, int intpin, int irq);
104 void revoke_apic_irq (int irq);
105 void init_secondary (void);
106 int stop_cpus (u_int);
108 int restart_cpus (u_int);
109 void forward_signal (struct proc *);
111 #ifndef _SYS_QUEUE_H_
112 #include <sys/queue.h>
115 struct lapic_enumerator {
117 TAILQ_ENTRY(lapic_enumerator) lapic_link;
118 int (*lapic_probe)(struct lapic_enumerator *);
119 void (*lapic_enumerate)(struct lapic_enumerator *);
122 #define LAPIC_ENUM_PRIO_MPTABLE 20
123 #define LAPIC_ENUM_PRIO_MADT 40
125 /* global data in mpapic.c */
126 extern volatile lapic_t lapic;
127 extern volatile ioapic_t **ioapic;
129 /* functions in mpapic.c */
130 void apic_dump (char*);
131 void apic_initialize (boolean_t);
132 void imen_dump (void);
133 int apic_ipi (int, int, int);
134 void selected_apic_ipi (u_int, int, int);
135 void single_apic_ipi(int cpu, int vector, int delivery_mode);
136 int single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
137 int io_apic_setup (int);
138 void io_apic_setup_intpin (int, int);
139 void io_apic_set_id (int, int);
140 int io_apic_get_id (int);
141 int ext_int_setup (int, int);
142 void lapic_config(void);
143 void lapic_enumerator_register(struct lapic_enumerator *);
146 void clr_io_apic_mask24 (int, u_int32_t);
147 void set_io_apic_mask24 (int, u_int32_t);
150 void set_apic_timer (int);
151 int read_apic_timer (void);
153 void cpu_send_ipiq (int);
154 int cpu_send_ipiq_passive (int);
156 /* global data in init_smp.c */
157 extern cpumask_t smp_active_mask;
162 #define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */
167 #endif /* _MACHINE_SMP_H_ */