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 (volatile void *, int);
65 void ioapic_write (volatile void *, int, u_int);
67 /* global data in mp_machdep.c */
68 extern int apic_io_enable;
69 extern int ioapic_use_old;
72 extern vm_offset_t io_apic_address[];
73 extern u_int32_t cpu_apic_versions[];
74 extern u_int32_t *io_apic_versions;
75 extern int cpu_num_to_apic_id[];
76 extern int io_num_to_apic_id[];
77 extern int apic_id_to_logical[];
78 #define APIC_INTMAPSIZE 192
81 * - Keep size of apic_intmapinfo power of 2
82 * - Update IOAPIC_IM_SZSHIFT after changing apic_intmapinfo size
84 struct apic_intmapinfo {
87 volatile void *apic_address;
89 uint32_t flags; /* IOAPIC_IM_FLAG_ */
92 #define IOAPIC_IM_SZSHIFT 5
94 #define IOAPIC_IM_FLAG_LEVEL 0x1 /* default to edge trigger */
95 #define IOAPIC_IM_FLAG_MASKED 0x2
97 extern struct apic_intmapinfo int_to_apicintpin[];
98 extern struct pcb stoppcbs[];
100 /* functions in mp_machdep.c */
101 void *ioapic_map(vm_paddr_t);
102 u_int mp_bootaddress (u_int);
103 void mp_start (void);
104 void mp_announce (void);
105 void mp_set_cpuids (int, int);
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);
122 int stop_cpus (cpumask_t);
124 int restart_cpus (cpumask_t);
125 void forward_signal (struct proc *);
127 #ifndef _SYS_QUEUE_H_
128 #include <sys/queue.h>
131 struct lapic_enumerator {
133 TAILQ_ENTRY(lapic_enumerator) lapic_link;
134 int (*lapic_probe)(struct lapic_enumerator *);
135 void (*lapic_enumerate)(struct lapic_enumerator *);
138 #define LAPIC_ENUM_PRIO_MPTABLE 20
139 #define LAPIC_ENUM_PRIO_MADT 40
141 struct ioapic_enumerator {
143 TAILQ_ENTRY(ioapic_enumerator) ioapic_link;
144 int (*ioapic_probe)(struct ioapic_enumerator *);
145 void (*ioapic_enumerate)(struct ioapic_enumerator *);
148 #define IOAPIC_ENUM_PRIO_MPTABLE 20
149 #define IOAPIC_ENUM_PRIO_MADT 10
151 /* global data in mpapic.c */
152 extern volatile lapic_t *lapic;
153 extern volatile ioapic_t **ioapic;
154 extern int lapic_id_max;
156 /* functions in mpapic.c */
157 void apic_dump (char*);
158 void apic_initialize (boolean_t);
159 void imen_dump (void);
160 int apic_ipi (int, int, int);
161 void selected_apic_ipi (cpumask_t, int, int);
162 void single_apic_ipi(int cpu, int vector, int delivery_mode);
163 int single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
164 int io_apic_setup (int);
165 void io_apic_setup_intpin (int, int);
166 void io_apic_set_id (int, int);
167 int io_apic_get_id (int);
168 int ext_int_setup (int, int);
169 void lapic_config(void);
170 void lapic_enumerator_register(struct lapic_enumerator *);
171 void ioapic_config(void);
172 void ioapic_enumerator_register(struct ioapic_enumerator *);
173 void ioapic_add(void *, int, int);
174 void ioapic_intsrc(int, int);
175 void *ioapic_gsi_ioaddr(int);
176 int ioapic_gsi_pin(int);
179 void clr_io_apic_mask24 (int, u_int32_t);
180 void set_io_apic_mask24 (int, u_int32_t);
183 void set_apic_timer (int);
184 int get_apic_timer_frequency(void);
185 int read_apic_timer (void);
187 void cpu_send_ipiq (int);
188 int cpu_send_ipiq_passive (int);
190 /* global data in init_smp.c */
191 extern cpumask_t smp_active_mask;
196 #define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */
201 #endif /* _MACHINE_SMP_H_ */