[mirror_ubuntu-bionic-kernel.git] / arch / x86 / include / asm / genapic.h

#ifndef _ASM_X86_GENAPIC_H
#define _ASM_X86_GENAPIC_H

#include <linux/cpumask.h>

#include <asm/mpspec.h>
#include <asm/atomic.h>

/*
 * Copyright 2004 James Cleverdon, IBM.
 * Subject to the GNU Public License, v.2
 *
 * Generic APIC sub-arch data struct.
 *
 * Hacked for x86-64 by James Cleverdon from i386 architecture code by
 * Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and
 * James Cleverdon.
 */
struct genapic {
	char *name;

	int (*probe)(void);
	int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id);
	int (*apic_id_registered)(void);

	u32 irq_delivery_mode;
	u32 irq_dest_mode;

	const struct cpumask *(*target_cpus)(void);

	int disable_esr;

	int dest_logical;
	unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid);
	unsigned long (*check_apicid_present)(int apicid);

	void (*vector_allocation_domain)(int cpu, struct cpumask *retmask);
	void (*init_apic_ldr)(void);

	physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map);

	void (*setup_apic_routing)(void);
	int (*multi_timer_check)(int apic, int irq);
	int (*apicid_to_node)(int logical_apicid);
	int (*cpu_to_logical_apicid)(int cpu);
	int (*cpu_present_to_apicid)(int mps_cpu);
	physid_mask_t (*apicid_to_cpu_present)(int phys_apicid);
	void (*setup_portio_remap)(void);
	int (*check_phys_apicid_present)(int boot_cpu_physical_apicid);
	void (*enable_apic_mode)(void);
	int (*phys_pkg_id)(int cpuid_apic, int index_msb);

	/*
	 * When one of the next two hooks returns 1 the genapic
	 * is switched to this. Essentially they are additional
	 * probe functions:
	 */
	int (*mps_oem_check)(struct mpc_table *mpc, char *oem, char *productid);

	unsigned int (*get_apic_id)(unsigned long x);
	unsigned long (*set_apic_id)(unsigned int id);
	unsigned long apic_id_mask;

	unsigned int (*cpu_mask_to_apicid)(const struct cpumask *cpumask);
	unsigned int (*cpu_mask_to_apicid_and)(const struct cpumask *cpumask,
					       const struct cpumask *andmask);

	/* ipi */
	void (*send_IPI_mask)(const struct cpumask *mask, int vector);
	void (*send_IPI_mask_allbutself)(const struct cpumask *mask,
					 int vector);
	void (*send_IPI_allbutself)(int vector);
	void (*send_IPI_all)(int vector);
	void (*send_IPI_self)(int vector);

	/* wakeup_secondary_cpu */
	int (*wakeup_cpu)(int apicid, unsigned long start_eip);

	int trampoline_phys_low;
	int trampoline_phys_high;

	void (*wait_for_init_deassert)(atomic_t *deassert);
	void (*smp_callin_clear_local_apic)(void);
	void (*store_NMI_vector)(unsigned short *high, unsigned short *low);
	void (*inquire_remote_apic)(int apicid);
};

extern struct genapic *apic;

/*
 * Warm reset vector default position:
 */
#define DEFAULT_TRAMPOLINE_PHYS_LOW		0x467
#define DEFAULT_TRAMPOLINE_PHYS_HIGH		0x469

#ifdef CONFIG_X86_32
extern void es7000_update_genapic_to_cluster(void);
#else
extern struct genapic apic_flat;
extern struct genapic apic_physflat;
extern struct genapic apic_x2apic_cluster;
extern struct genapic apic_x2apic_phys;
extern int default_acpi_madt_oem_check(char *, char *);

extern void apic_send_IPI_self(int vector);

extern struct genapic apic_x2apic_uv_x;
DECLARE_PER_CPU(int, x2apic_extra_bits);

extern void default_setup_apic_routing(void);

extern int default_cpu_present_to_apicid(int mps_cpu);
extern int default_check_phys_apicid_present(int boot_cpu_physical_apicid);
#endif

static inline void default_wait_for_init_deassert(atomic_t *deassert)
{
	while (!atomic_read(deassert))
		cpu_relax();
	return;
}

#endif /* _ASM_X86_GENAPIC_64_H */
Commit	Line	Data
ef7471b1 IM	1	#ifndef _ASM_X86_GENAPIC_H
	2	#define _ASM_X86_GENAPIC_H
	3
	4	#include <linux/cpumask.h>
	5
505deeb1 IM	6	#include <asm/mpspec.h>
	7	#include <asm/atomic.h>
	8
ef7471b1 IM	9	/*
	10	* Copyright 2004 James Cleverdon, IBM.
	11	* Subject to the GNU Public License, v.2
	12	*
	13	* Generic APIC sub-arch data struct.
	14	*
	15	* Hacked for x86-64 by James Cleverdon from i386 architecture code by
	16	* Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and
	17	* James Cleverdon.
	18	*/
ef7471b1 IM	19	struct genapic {
	20	char *name;
	21
	22	int (*probe)(void);
	23	int (acpi_madt_oem_check)(char oem_id, char *oem_table_id);
	24	int (*apic_id_registered)(void);
	25
f8987a10 IM	26	u32 irq_delivery_mode;
f8987a10 IM	27	u32 irq_dest_mode;
ef7471b1 IM	28
	29	const struct cpumask (target_cpus)(void);
	30
08125d3e	31	int disable_esr;
ef7471b1	32
bdb1a9b6	33	int dest_logical;
ef7471b1 IM	34	unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid);
	35	unsigned long (*check_apicid_present)(int apicid);
	36
ef7471b1 IM	37	void (vector_allocation_domain)(int cpu, struct cpumask retmask);
	38	void (*init_apic_ldr)(void);
	39
	40	physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map);
	41
	42	void (*setup_apic_routing)(void);
	43	int (*multi_timer_check)(int apic, int irq);
	44	int (*apicid_to_node)(int logical_apicid);
	45	int (*cpu_to_logical_apicid)(int cpu);
	46	int (*cpu_present_to_apicid)(int mps_cpu);
	47	physid_mask_t (*apicid_to_cpu_present)(int phys_apicid);
	48	void (*setup_portio_remap)(void);
	49	int (*check_phys_apicid_present)(int boot_cpu_physical_apicid);
	50	void (*enable_apic_mode)(void);
d4c9a9f3	51	int (*phys_pkg_id)(int cpuid_apic, int index_msb);
ef7471b1 IM	52
	53	/*
	54	* When one of the next two hooks returns 1 the genapic
	55	* is switched to this. Essentially they are additional
	56	* probe functions:
	57	*/
5f836405	58	int (mps_oem_check)(struct mpc_table mpc, char oem, char productid);
ef7471b1 IM	59
	60	unsigned int (*get_apic_id)(unsigned long x);
	61	unsigned long (*set_apic_id)(unsigned int id);
	62	unsigned long apic_id_mask;
	63
	64	unsigned int (cpu_mask_to_apicid)(const struct cpumask cpumask);
	65	unsigned int (cpu_mask_to_apicid_and)(const struct cpumask cpumask,
	66	const struct cpumask *andmask);
	67
ef7471b1 IM	68	/* ipi */
	69	void (send_IPI_mask)(const struct cpumask mask, int vector);
	70	void (send_IPI_mask_allbutself)(const struct cpumask mask,
	71	int vector);
	72	void (*send_IPI_allbutself)(int vector);
	73	void (*send_IPI_all)(int vector);
	74	void (*send_IPI_self)(int vector);
6781d948	75
ef7471b1 IM	76	/* wakeup_secondary_cpu */
	77	int (*wakeup_cpu)(int apicid, unsigned long start_eip);
	78
	79	int trampoline_phys_low;
	80	int trampoline_phys_high;
505deeb1	81
ef7471b1 IM	82	void (wait_for_init_deassert)(atomic_t deassert);
	83	void (*smp_callin_clear_local_apic)(void);
	84	void (store_NMI_vector)(unsigned short high, unsigned short *low);
ef7471b1 IM	85	void (*inquire_remote_apic)(int apicid);
	86	};
	87
c8d46cf0	88	extern struct genapic *apic;
ced733ec	89
abfa584c IM	90	/*
	91	* Warm reset vector default position:
	92	*/
	93	#define DEFAULT_TRAMPOLINE_PHYS_LOW 0x467
	94	#define DEFAULT_TRAMPOLINE_PHYS_HIGH 0x469
	95
505deeb1	96	#ifdef CONFIG_X86_32
ced733ec	97	extern void es7000_update_genapic_to_cluster(void);
9a6801da	98	#else
ced733ec IM	99	extern struct genapic apic_flat;
	100	extern struct genapic apic_physflat;
	101	extern struct genapic apic_x2apic_cluster;
	102	extern struct genapic apic_x2apic_phys;
306db03b	103	extern int default_acpi_madt_oem_check(char , char );
ced733ec IM	104
	105	extern void apic_send_IPI_self(int vector);
	106
	107	extern struct genapic apic_x2apic_uv_x;
	108	DECLARE_PER_CPU(int, x2apic_extra_bits);
	109
72ce0165	110	extern void default_setup_apic_routing(void);
a21769a4 IM	111
a21769a4 IM	112	extern int default_cpu_present_to_apicid(int mps_cpu);
a27a6210	113	extern int default_check_phys_apicid_present(int boot_cpu_physical_apicid);
9a6801da	114	#endif
ced733ec	115
0939e4fd IM	116	static inline void default_wait_for_init_deassert(atomic_t *deassert)
	117	{
	118	while (!atomic_read(deassert))
	119	cpu_relax();
	120	return;
	121	}
	122
ef7471b1	123	#endif /* _ASM_X86_GENAPIC_64_H */