include/asm-x86/genapic_64.h

   1 #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
  15 struct genapic {
  16         char *name;
  17         u32 int_delivery_mode;
  18         u32 int_dest_mode;
  19         int (*apic_id_registered)(void);
  20         cpumask_t (*target_cpus)(void);
  21         cpumask_t (*vector_allocation_domain)(int cpu);
  22         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);
  27         /* */
  28         unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask);
  29         unsigned int (*phys_pkg_id)(int index_msb);
  30 };
  31
  32 extern struct genapic *genapic;
  33
  34 extern struct genapic apic_flat;
  35 extern struct genapic apic_physflat;
  36 extern int acpi_madt_oem_check(char *, char *);
  37
  38 enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
  39 extern enum uv_system_type get_uv_system_type(void);
  40 extern int is_uv_system(void);
  41
  42 extern struct genapic apic_x2apic_uv_x;
  43 DECLARE_PER_CPU(int, x2apic_extra_bits);
  44 extern void uv_cpu_init(void);
  45 extern int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip);
  46
  47 #endif