arch/x86/include/asm/genapic_64.h

   1 #ifndef _ASM_X86_GENAPIC_64_H
   2 #define _ASM_X86_GENAPIC_64_H
   3
   4 #include <linux/cpumask.h>
   5
   6 /*
   7  * Copyright 2004 James Cleverdon, IBM.
   8  * Subject to the GNU Public License, v.2
   9  *
  10  * Generic APIC sub-arch data struct.
  11  *
  12  * Hacked for x86-64 by James Cleverdon from i386 architecture code by
  13  * Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and
  14  * James Cleverdon.
  15  */
  16
  17 struct genapic {
  18         char *name;
  19         int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id);
  20         u32 int_delivery_mode;
  21         u32 int_dest_mode;
  22         int (*apic_id_registered)(void);
  23         const cpumask_t *(*target_cpus)(void);
  24         void (*vector_allocation_domain)(int cpu, cpumask_t *retmask);
  25         void (*init_apic_ldr)(void);
  26         /* ipi */
  27         void (*send_IPI_mask)(const cpumask_t *mask, int vector);
  28         void (*send_IPI_mask_allbutself)(const cpumask_t *mask, int vector);
  29         void (*send_IPI_allbutself)(int vector);
  30         void (*send_IPI_all)(int vector);
  31         void (*send_IPI_self)(int vector);
  32         /* */
  33         unsigned int (*cpu_mask_to_apicid)(const cpumask_t *cpumask);
  34         unsigned int (*cpu_mask_to_apicid_and)(const struct cpumask *cpumask,
  35                                                const struct cpumask *andmask);
  36         unsigned int (*phys_pkg_id)(int index_msb);
  37         unsigned int (*get_apic_id)(unsigned long x);
  38         unsigned long (*set_apic_id)(unsigned int id);
  39         unsigned long apic_id_mask;
  40         /* wakeup_secondary_cpu */
  41         int (*wakeup_cpu)(int apicid, unsigned long start_eip);
  42 };
  43
  44 extern struct genapic *genapic;
  45
  46 extern struct genapic apic_flat;
  47 extern struct genapic apic_physflat;
  48 extern struct genapic apic_x2apic_cluster;
  49 extern struct genapic apic_x2apic_phys;
  50 extern int acpi_madt_oem_check(char *, char *);
  51
  52 extern void apic_send_IPI_self(int vector);
  53 enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
  54 extern enum uv_system_type get_uv_system_type(void);
  55 extern int is_uv_system(void);
  56
  57 extern struct genapic apic_x2apic_uv_x;
  58 DECLARE_PER_CPU(int, x2apic_extra_bits);
  59 extern void uv_cpu_init(void);
  60 extern void uv_system_init(void);
  61 extern int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip);
  62
  63 extern void setup_apic_routing(void);
  64
  65 #endif /* _ASM_X86_GENAPIC_64_H */