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 cpumask_t stopped_cpus;
49 extern volatile cpumask_t started_cpus;
51 extern volatile u_int checkstate_probed_cpus;
52 extern void (*cpustop_restartfunc) (void);
54 /* functions in apic_ipl.s */
55 u_int ioapic_read (volatile void *, int);
56 void ioapic_write (volatile void *, int, u_int);
58 /* global data in mp_machdep.c */
59 extern int imcr_present;
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 192
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;
79 uint32_t flags; /* IOAPIC_IM_FLAG_ */
82 #define IOAPIC_IM_SZSHIFT 5
84 #define IOAPIC_IM_FLAG_LEVEL 0x1 /* default to edge trigger */
85 #define IOAPIC_IM_FLAG_MASKED 0x2
87 extern struct apic_intmapinfo int_to_apicintpin[];
88 extern struct pcb stoppcbs[];
90 /* functions in mp_machdep.c */
91 void *ioapic_map(vm_paddr_t);
92 u_int mp_bootaddress (u_int);
94 void mp_announce (void);
95 void mp_set_cpuids (int, int);
96 u_int isa_apic_mask (u_int);
97 int isa_apic_irq (int);
98 int pci_apic_irq (int, int, int);
99 int apic_irq (int, int);
100 int next_apic_irq (int);
101 int undirect_isa_irq (int);
102 int undirect_pci_irq (int);
103 int apic_bus_type (int);
104 int apic_src_bus_id (int, int);
105 int apic_src_bus_irq (int, int);
106 int apic_int_type (int, int);
107 int apic_trigger (int, int);
108 int apic_polarity (int, int);
109 void assign_apic_irq (int apic, int intpin, int irq);
110 void revoke_apic_irq (int irq);
111 void init_secondary (void);
112 int stop_cpus (cpumask_t);
114 int restart_cpus (cpumask_t);
115 void forward_signal (struct proc *);
116 int mptable_pci_int_route(int, int, int, int);
117 void mptable_pci_int_dump(void);
119 #ifndef _SYS_QUEUE_H_
120 #include <sys/queue.h>
123 struct lapic_enumerator {
125 TAILQ_ENTRY(lapic_enumerator) lapic_link;
126 int (*lapic_probe)(struct lapic_enumerator *);
127 void (*lapic_enumerate)(struct lapic_enumerator *);
130 #define LAPIC_ENUM_PRIO_MPTABLE 20
131 #define LAPIC_ENUM_PRIO_MADT 40
133 struct ioapic_enumerator {
135 TAILQ_ENTRY(ioapic_enumerator) ioapic_link;
136 int (*ioapic_probe)(struct ioapic_enumerator *);
137 void (*ioapic_enumerate)(struct ioapic_enumerator *);
140 #define IOAPIC_ENUM_PRIO_MPTABLE 20
141 #define IOAPIC_ENUM_PRIO_MADT 40
143 /* global data in mpapic.c */
144 extern volatile lapic_t lapic;
145 extern volatile ioapic_t **ioapic;
146 extern int lapic_id_max;
152 /* functions in mpapic.c */
153 void apic_dump (char*);
154 void lapic_init (boolean_t);
155 void imen_dump (void);
156 int apic_ipi (int, int, int);
157 void selected_apic_ipi (cpumask_t, int, int);
158 void single_apic_ipi(int cpu, int vector, int delivery_mode);
159 int single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
160 int io_apic_setup (int);
161 void io_apic_setup_intpin (int, int);
162 void io_apic_set_id (int, int);
163 int io_apic_get_id (int);
164 int ext_int_setup (int, int);
165 void lapic_config(void);
166 void lapic_enumerator_register(struct lapic_enumerator *);
167 void ioapic_config(void);
168 void ioapic_enumerator_register(struct ioapic_enumerator *);
169 void ioapic_add(void *, int, int);
170 void ioapic_intsrc(int, int);
171 void *ioapic_gsi_ioaddr(int);
172 int ioapic_gsi_pin(int);
173 void ioapic_pin_setup(void *, int, int,
174 enum intr_trigger, enum intr_polarity);
175 void ioapic_extpin_setup(void *, int, int);
176 int ioapic_extpin_gsi(void);
177 int ioapic_gsi(int, int);
179 extern int apic_io_enable;
180 extern int ioapic_use_old;
183 void clr_io_apic_mask24 (int, u_int32_t);
184 void set_io_apic_mask24 (int, u_int32_t);
187 void set_apic_timer (int);
188 int get_apic_timer_frequency(void);
189 int read_apic_timer (void);
191 void cpu_send_ipiq (int);
192 int cpu_send_ipiq_passive (int);
194 /* global data in init_smp.c */
195 extern cpumask_t smp_active_mask;
200 #define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */
205 #endif /* _MACHINE_SMP_H_ */