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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _ASM_GENAPIC_H
2#define _ASM_GENAPIC_H 1
3
4/*
5 * Copyright 2004 James Cleverdon, IBM.
6 * Subject to the GNU Public License, v.2
7 *
8 * Generic APIC sub-arch data struct.
9 *
10 * Hacked for x86-64 by James Cleverdon from i386 architecture code by
11 * Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and
12 * James Cleverdon.
13 */
14
15struct genapic {
16 char *name;
17 u32 int_delivery_mode;
18 u32 int_dest_mode;
Linus Torvalds1da177e2005-04-16 15:20:36 -070019 int (*apic_id_registered)(void);
20 cpumask_t (*target_cpus)(void);
Eric W. Biedermanc7111c132006-10-08 07:47:55 -060021 cpumask_t (*vector_allocation_domain)(int cpu);
Linus Torvalds1da177e2005-04-16 15:20:36 -070022 void (*init_apic_ldr)(void);
23 /* ipi */
24 void (*send_IPI_mask)(cpumask_t mask, int vector);
25 void (*send_IPI_allbutself)(int vector);
26 void (*send_IPI_all)(int vector);
Suresh Siddhacff73a62008-07-10 11:16:53 -070027 void (*send_IPI_self)(int vector);
Linus Torvalds1da177e2005-04-16 15:20:36 -070028 /* */
29 unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask);
30 unsigned int (*phys_pkg_id)(int index_msb);
Yinghai Luf910a9d2008-07-12 01:01:20 -070031 unsigned int (*get_apic_id)(unsigned long x);
32 unsigned long (*set_apic_id)(unsigned int id);
33 unsigned long apic_id_mask;
Linus Torvalds1da177e2005-04-16 15:20:36 -070034};
35
Andrew Morton3dc68d92007-05-02 19:27:04 +020036extern struct genapic *genapic;
Linus Torvalds1da177e2005-04-16 15:20:36 -070037
Ingo Molnar07c7c472007-05-02 19:27:04 +020038extern struct genapic apic_flat;
39extern struct genapic apic_physflat;
Suresh Siddha12a67cf2008-07-10 11:16:54 -070040extern struct genapic apic_x2apic_cluster;
Suresh Siddha2d9579a2008-07-10 11:16:59 -070041extern struct genapic apic_x2apic_phys;
Jack Steinerae261862008-03-28 14:12:06 -050042extern int acpi_madt_oem_check(char *, char *);
43
Suresh Siddhacff73a62008-07-10 11:16:53 -070044extern void apic_send_IPI_self(int vector);
Jack Steinerae261862008-03-28 14:12:06 -050045enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
46extern enum uv_system_type get_uv_system_type(void);
47extern int is_uv_system(void);
Ingo Molnar07c7c472007-05-02 19:27:04 +020048
Jack Steinerac23d4e2008-03-28 14:12:16 -050049extern struct genapic apic_x2apic_uv_x;
50DECLARE_PER_CPU(int, x2apic_extra_bits);
51extern void uv_cpu_init(void);
52extern int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip);
53
Thomas Gleixner88a83352008-05-02 23:19:26 +020054extern void setup_apic_routing(void);
55
Ingo Molnar4fb3dc22008-07-09 13:07:23 +020056#ifdef CONFIG_X86_IO_APIC
Rafael J. Wysockie2079c42008-07-08 16:12:26 +020057extern void force_mask_ioapic_irq_2(void);
Ingo Molnar4fb3dc22008-07-09 13:07:23 +020058#else
59static inline void force_mask_ioapic_irq_2(void) { }
60#endif
Rafael J. Wysockie2079c42008-07-08 16:12:26 +020061
Linus Torvalds1da177e2005-04-16 15:20:36 -070062#endif