linux/include/asm-x86/genapic_64.h
Maciej W. Rozycki ce8b06b985 x86: I/O APIC: remove an IRQ2-mask hack
Now that IRQ2 is never made available to the I/O APIC, there is no need
to special-case it and mask as a workaround for broken systems.  Actually,
because of the former, mask_IO_APIC_irq(2) is a no-op already.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-13 11:43:48 +02:00

50 lines
1.3 KiB
C

#ifndef _ASM_GENAPIC_H
#define _ASM_GENAPIC_H 1
/*
* 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;
u32 int_delivery_mode;
u32 int_dest_mode;
int (*apic_id_registered)(void);
cpumask_t (*target_cpus)(void);
cpumask_t (*vector_allocation_domain)(int cpu);
void (*init_apic_ldr)(void);
/* ipi */
void (*send_IPI_mask)(cpumask_t mask, int vector);
void (*send_IPI_allbutself)(int vector);
void (*send_IPI_all)(int vector);
/* */
unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask);
unsigned int (*phys_pkg_id)(int index_msb);
};
extern struct genapic *genapic;
extern struct genapic apic_flat;
extern struct genapic apic_physflat;
extern int acpi_madt_oem_check(char *, char *);
enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
extern enum uv_system_type get_uv_system_type(void);
extern int is_uv_system(void);
extern struct genapic apic_x2apic_uv_x;
DECLARE_PER_CPU(int, x2apic_extra_bits);
extern void uv_cpu_init(void);
extern int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip);
extern void setup_apic_routing(void);
#endif