ae26186865
Add functions that can be used to determine if an x86_64 system is a SGI "UV" system. UV systems come in 3 types and are identified by the OEM ID in the MADT. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
43 lines
1.1 KiB
C
43 lines
1.1 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);
|
|
|
|
#endif
|