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 cpumask_t stopped_cpus;
58 extern volatile cpumask_t 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 ioapic_read (int, int);
65 void ioapic_write (int, int, u_int);
67 /* global data in mp_machdep.c */
68 extern int apic_io_enable;
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 192
80 * - Keep size of apic_intmapinfo power of 2
81 * - Update IOAPIC_IM_SZSHIFT after changing apic_intmapinfo size
83 struct apic_intmapinfo {
86 volatile void *apic_address;
88 uint32_t flags; /* IOAPIC_IM_FLAG_ */
91 #define IOAPIC_IM_SZSHIFT 5
93 #define IOAPIC_IM_FLAG_LEVEL 0x1 /* default to edge trigger */
94 #define IOAPIC_IM_FLAG_MASKED 0x2
96 extern struct apic_intmapinfo int_to_apicintpin[];
97 extern struct pcb stoppcbs[];
99 /* functions in mp_machdep.c */
100 void *permanent_io_mapping(vm_paddr_t);
101 u_int mp_bootaddress (u_int);
102 void mp_start (void);
103 void mp_announce (void);
104 void mp_set_cpuids (int, int);
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);
121 int stop_cpus (cpumask_t);
123 int restart_cpus (cpumask_t);
124 void forward_signal (struct proc *);
126 #ifndef _SYS_QUEUE_H_
127 #include <sys/queue.h>
130 struct lapic_enumerator {
132 TAILQ_ENTRY(lapic_enumerator) lapic_link;
133 int (*lapic_probe)(struct lapic_enumerator *);
134 void (*lapic_enumerate)(struct lapic_enumerator *);
137 #define LAPIC_ENUM_PRIO_MPTABLE 20
138 #define LAPIC_ENUM_PRIO_MADT 40
140 struct ioapic_enumerator {
142 TAILQ_ENTRY(ioapic_enumerator) ioapic_link;
143 int (*ioapic_probe)(struct ioapic_enumerator *);
144 void (*ioapic_enumerate)(struct ioapic_enumerator *);
147 #define IOAPIC_ENUM_PRIO_MPTABLE 20
148 #define IOAPIC_ENUM_PRIO_MADT 10
150 /* global data in mpapic.c */
151 extern volatile lapic_t *lapic;
152 extern volatile ioapic_t **ioapic;
154 /* functions in mpapic.c */
155 void apic_dump (char*);
156 void apic_initialize (boolean_t);
157 void imen_dump (void);
158 int apic_ipi (int, int, int);
159 void selected_apic_ipi (cpumask_t, int, int);
160 void single_apic_ipi(int cpu, int vector, int delivery_mode);
161 int single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
162 int io_apic_setup (int);
163 void io_apic_setup_intpin (int, int);
164 void io_apic_set_id (int, int);
165 int io_apic_get_id (int);
166 int ext_int_setup (int, int);
167 void lapic_config(void);
168 void lapic_enumerator_register(struct lapic_enumerator *);
169 void ioapic_config(void);
170 void ioapic_enumerator_register(struct ioapic_enumerator *);
173 void clr_io_apic_mask24 (int, u_int32_t);
174 void set_io_apic_mask24 (int, u_int32_t);
177 void set_apic_timer (int);
178 int get_apic_timer_frequency(void);
179 int read_apic_timer (void);
181 void cpu_send_ipiq (int);
182 int cpu_send_ipiq_passive (int);
184 /* global data in init_smp.c */
185 extern cpumask_t smp_active_mask;
190 #define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */
195 #endif /* _MACHINE_SMP_H_ */