gitweb.dragonflybsd.org Git - dragonfly.git/blame_incremental

... / ...

Commit	Line	Data
	1	/*
	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	* ----------------------------------------------------------------------------
	8	*
	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 $
	11	*
	12	*/
	13
	14	#ifndef _MACHINE_SMP_H_
	15	#define _MACHINE_SMP_H_
	16
	17	#ifdef _KERNEL
	18
	19	#if defined(SMP)
	20
	21	#ifndef LOCORE
	22
	23	/*
	24	* For sending values to POST displays.
	25	* XXX FIXME: where does this really belong, isa.h/isa.c perhaps?
	26	*/
	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)
	36
	37
	38	#include <machine_base/apic/apicreg.h>
	39	#include <machine/pcb.h>
	40
	41	/* global data in mpboot.s */
	42	extern int bootMP_size;
	43
	44	/* functions in mpboot.s */
	45	void bootMP (void);
	46
	47	/* global data in apic_vector.s */
	48	extern volatile u_int stopped_cpus;
	49	extern volatile u_int started_cpus;
	50
	51	extern volatile u_int checkstate_probed_cpus;
	52	extern void (*cpustop_restartfunc) (void);
	53
	54	/* functions in apic_ipl.s */
	55	void apic_eoi (void);
	56	u_int io_apic_read (int, int);
	57	void io_apic_write (int, int, u_int);
	58
	59	/* global data in mp_machdep.c */
	60	extern int mp_naps;
	61	extern int mp_napics;
	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 32
	69	/*
	70	* NOTE:
	71	* - Keep size of apic_intmapinfo power of 2
	72	* - Update IOAPIC_IM_SZSHIFT after changing apic_intmapinfo size
	73	*/
	74	struct apic_intmapinfo {
	75	int ioapic;
	76	int int_pin;
	77	volatile void *apic_address;
	78	int redirindex;
	79	uint32_t flags; /* IOAPIC_IM_FLAG_ */
	80	uint32_t pad[3];
	81	};
	82	#define IOAPIC_IM_SZSHIFT 5
	83
	84	#define IOAPIC_IM_FLAG_LEVEL 0x1 /* default to edge trigger */
	85	#define IOAPIC_IM_FLAG_MASKED 0x2
	86
	87	extern struct apic_intmapinfo int_to_apicintpin[];
	88	extern struct pcb stoppcbs[];
	89
	90	/* functions in mp_machdep.c */
	91	void *permanent_io_mapping(vm_paddr_t);
	92	u_int mp_bootaddress (u_int);
	93	void mp_start (void);
	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 (u_int);
	113	void ap_init (void);
	114	int restart_cpus (u_int);
	115	void forward_signal (struct proc *);
	116
	117	#ifndef _SYS_QUEUE_H_
	118	#include <sys/queue.h>
	119	#endif
	120
	121	struct lapic_enumerator {
	122	int lapic_prio;
	123	TAILQ_ENTRY(lapic_enumerator) lapic_link;
	124	int (lapic_probe)(struct lapic_enumerator );
	125	void (lapic_enumerate)(struct lapic_enumerator );
	126	};
	127
	128	#define LAPIC_ENUM_PRIO_MPTABLE 20
	129	#define LAPIC_ENUM_PRIO_MADT 40
	130
	131	/* global data in mpapic.c */
	132	extern volatile lapic_t lapic;
	133	extern volatile ioapic_t **ioapic;
	134
	135	/* functions in mpapic.c */
	136	void apic_dump (char*);
	137	void apic_initialize (boolean_t);
	138	void imen_dump (void);
	139	int apic_ipi (int, int, int);
	140	void selected_apic_ipi (u_int, int, int);
	141	void single_apic_ipi(int cpu, int vector, int delivery_mode);
	142	int single_apic_ipi_passive(int cpu, int vector, int delivery_mode);
	143	int io_apic_setup (int);
	144	void io_apic_setup_intpin (int, int);
	145	void io_apic_set_id (int, int);
	146	int io_apic_get_id (int);
	147	int ext_int_setup (int, int);
	148	void lapic_config(void);
	149	void lapic_enumerator_register(struct lapic_enumerator *);
	150	extern int apic_io_enable;
	151
	152	#if defined(READY)
	153	void clr_io_apic_mask24 (int, u_int32_t);
	154	void set_io_apic_mask24 (int, u_int32_t);
	155	#endif /* READY */
	156
	157	void set_apic_timer (int);
	158	int get_apic_timer_frequency(void);
	159	int read_apic_timer (void);
	160	void u_sleep (int);
	161	void cpu_send_ipiq (int);
	162	int cpu_send_ipiq_passive (int);
	163
	164	/* global data in init_smp.c */
	165	extern cpumask_t smp_active_mask;
	166
	167	#endif /* !LOCORE */
	168	#else /* !SMP */
	169
	170	#define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */
	171
	172	#endif
	173
	174	#endif /* _KERNEL */
	175	#endif /* _MACHINE_SMP_H_ */