blob: 6777d71aabc9adbe38de834bd4e2dcbc373e8c8f [file] [log] [blame]
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);
Suresh Siddha0c81c742008-07-10 11:16:48 -070031 unsigned int (*read_apic_id)(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -070032};
33
Andrew Morton3dc68d92007-05-02 19:27:04 +020034extern struct genapic *genapic;
Linus Torvalds1da177e2005-04-16 15:20:36 -070035
Ingo Molnar07c7c472007-05-02 19:27:04 +020036extern struct genapic apic_flat;
37extern struct genapic apic_physflat;
Jack Steinerae261862008-03-28 14:12:06 -050038extern int acpi_madt_oem_check(char *, char *);
39
Suresh Siddhacff73a62008-07-10 11:16:53 -070040extern void apic_send_IPI_self(int vector);
Jack Steinerae261862008-03-28 14:12:06 -050041enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
42extern enum uv_system_type get_uv_system_type(void);
43extern int is_uv_system(void);
Ingo Molnar07c7c472007-05-02 19:27:04 +020044
Jack Steinerac23d4e2008-03-28 14:12:16 -050045extern struct genapic apic_x2apic_uv_x;
46DECLARE_PER_CPU(int, x2apic_extra_bits);
47extern void uv_cpu_init(void);
48extern int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip);
49
Thomas Gleixner88a83352008-05-02 23:19:26 +020050extern void setup_apic_routing(void);
51
Ingo Molnar4fb3dc22008-07-09 13:07:23 +020052#ifdef CONFIG_X86_IO_APIC
Rafael J. Wysockie2079c42008-07-08 16:12:26 +020053extern void force_mask_ioapic_irq_2(void);
Ingo Molnar4fb3dc22008-07-09 13:07:23 +020054#else
55static inline void force_mask_ioapic_irq_2(void) { }
56#endif
Rafael J. Wysockie2079c42008-07-08 16:12:26 +020057
Linus Torvalds1da177e2005-04-16 15:20:36 -070058#endif