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 imcr_present;
69 extern int apic_io_enable;
70 extern int ioapic_use_old;
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[];
79 #define APIC_INTMAPSIZE 192
82 * - Keep size of apic_intmapinfo power of 2
83 * - Update IOAPIC_IM_SZSHIFT after changing apic_intmapinfo size
85 struct apic_intmapinfo {
88 volatile void *apic_address;
90 uint32_t flags; /* IOAPIC_IM_FLAG_ */
93 #define IOAPIC_IM_SZSHIFT 5
95 #define IOAPIC_IM_FLAG_LEVEL 0x1 /* default to edge trigger */
96 #define IOAPIC_IM_FLAG_MASKED 0x2
98 extern struct apic_intmapinfo int_to_apicintpin[];
99 extern struct pcb stoppcbs[];
101 /* functions in mp_machdep.c */
102 void *ioapic_map(vm_paddr_t);
103 u_int mp_bootaddress (u_int);
104 void mp_start (void);
105 void mp_announce (void);
106 void mp_set_cpuids (int, int);
107 u_int isa_apic_mask (u_int);
108 int isa_apic_irq (int);
109 int pci_apic_irq (int, int, int);
110 int apic_irq (int, int);
111 int next_apic_irq (int);
112 int undirect_isa_irq (int);
113 int undirect_pci_irq (int);
114 int apic_bus_type (int);
115 int apic_src_bus_id (int, int);
116 int apic_src_bus_irq (int, int);
117 int apic_int_type (int, int);
118 int apic_trigger (int, int);
119 int apic_polarity (int, int);
120 void assign_apic_irq (int apic, int intpin, int irq);
121 void revoke_apic_irq (int irq);
122 void init_secondary (void);
123 int stop_cpus (cpumask_t);
125 int restart_cpus (cpumask_t);
126 void forward_signal (struct proc *);
127 int mptable_pci_int_route(int, int, int, int);
128 void mptable_pci_int_dump(void);
130 #ifndef _SYS_QUEUE_H_
131 #include <sys/queue.h>
134 struct lapic_enumerator {
136 TAILQ_ENTRY(lapic_enumerator) lapic_link;
137 int (*lapic_probe)(struct lapic_enumerator *);
138 void (*lapic_enumerate)(struct lapic_enumerator *);
141 #define LAPIC_ENUM_PRIO_MPTABLE 20
142 #define LAPIC_ENUM_PRIO_MADT 40
144 struct ioapic_enumerator {
146 TAILQ_ENTRY(ioapic_enumerator) ioapic_link;
147 int (*ioapic_probe)(struct ioapic_enumerator *);
148 void (*ioapic_enumerate)(struct ioapic_enumerator *);
151 #define IOAPIC_ENUM_PRIO_MPTABLE 20
152 #define IOAPIC_ENUM_PRIO_MADT 40
154 /* global data in mpapic.c */
155 extern volatile lapic_t *lapic;
156 extern volatile ioapic_t **ioapic;
157 extern int lapic_id_max;
163 /* functions in mpapic.c */
164 void apic_dump (char*);
165 void lapic_init (boolean_t);
166 void imen_dump (void);
167 int apic_ipi (int, int, int);
168 void selected_apic_ipi (cpumask_t, int, int);
169 void single_apic_ipi(int cpu, int vector, int delivery_mode);
170 int single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
171 int io_apic_setup (int);
172 void io_apic_setup_intpin (int, int);
173 void io_apic_set_id (int, int);
174 int io_apic_get_id (int);
175 int ext_int_setup (int, int);
176 void lapic_config(void);
177 void lapic_enumerator_register(struct lapic_enumerator *);
178 void ioapic_config(void);
179 void ioapic_enumerator_register(struct ioapic_enumerator *);
180 void ioapic_add(void *, int, int);
181 void ioapic_intsrc(int, int, enum intr_trigger, enum intr_polarity);
182 void *ioapic_gsi_ioaddr(int);
183 int ioapic_gsi_pin(int);
184 void ioapic_pin_setup(void *, int, int,
185 enum intr_trigger, enum intr_polarity);
186 void ioapic_extpin_setup(void *, int, int);
187 int ioapic_extpin_gsi(void);
188 int ioapic_gsi(int, int);
191 void clr_io_apic_mask24 (int, u_int32_t);
192 void set_io_apic_mask24 (int, u_int32_t);
195 void set_apic_timer (int);
196 int get_apic_timer_frequency(void);
197 int read_apic_timer (void);
199 void cpu_send_ipiq (int);
200 int cpu_send_ipiq_passive (int);
202 /* global data in init_smp.c */
203 extern cpumask_t smp_active_mask;
208 #define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */
213 #endif /* _MACHINE_SMP_H_ */