arch/x86/include/asm/genapic.h

   1 #ifndef _ASM_X86_GENAPIC_H
   2 #define _ASM_X86_GENAPIC_H
   3
   4 #include <linux/cpumask.h>
   5
   6 #include <asm/mpspec.h>
   7 #include <asm/atomic.h>
   8
   9 /*
  10  * Copyright 2004 James Cleverdon, IBM.
  11  * Subject to the GNU Public License, v.2
  12  *
  13  * Generic APIC sub-arch data struct.
  14  *
  15  * Hacked for x86-64 by James Cleverdon from i386 architecture code by
  16  * Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and
  17  * James Cleverdon.
  18  */
  19 struct genapic {
  20         char *name;
  21
  22         int (*probe)(void);
  23         int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id);
  24         int (*apic_id_registered)(void);
  25
  26         u32 irq_delivery_mode;
  27         u32 irq_dest_mode;
  28
  29         const struct cpumask *(*target_cpus)(void);
  30
  31         int disable_esr;
  32
  33         int apic_destination_logical;
  34         unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid);
  35         unsigned long (*check_apicid_present)(int apicid);
  36
  37         int no_balance_irq;
  38         int no_ioapic_check;
  39
  40         void (*vector_allocation_domain)(int cpu, struct cpumask *retmask);
  41         void (*init_apic_ldr)(void);
  42
  43         physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map);
  44
  45         void (*setup_apic_routing)(void);
  46         int (*multi_timer_check)(int apic, int irq);
  47         int (*apicid_to_node)(int logical_apicid);
  48         int (*cpu_to_logical_apicid)(int cpu);
  49         int (*cpu_present_to_apicid)(int mps_cpu);
  50         physid_mask_t (*apicid_to_cpu_present)(int phys_apicid);
  51         void (*setup_portio_remap)(void);
  52         int (*check_phys_apicid_present)(int boot_cpu_physical_apicid);
  53         void (*enable_apic_mode)(void);
  54 #ifdef CONFIG_X86_32
  55         u32 (*phys_pkg_id)(u32 cpuid_apic, int index_msb);
  56 #else
  57         unsigned int (*phys_pkg_id)(int index_msb);
  58 #endif
  59
  60         /*
  61          * When one of the next two hooks returns 1 the genapic
  62          * is switched to this. Essentially they are additional
  63          * probe functions:
  64          */
  65         int (*mps_oem_check)(struct mpc_table *mpc, char *oem,
  66                              char *productid);
  67
  68         unsigned int (*get_apic_id)(unsigned long x);
  69         unsigned long (*set_apic_id)(unsigned int id);
  70         unsigned long apic_id_mask;
  71
  72         unsigned int (*cpu_mask_to_apicid)(const struct cpumask *cpumask);
  73         unsigned int (*cpu_mask_to_apicid_and)(const struct cpumask *cpumask,
  74                                                const struct cpumask *andmask);
  75
  76         /* ipi */
  77         void (*send_IPI_mask)(const struct cpumask *mask, int vector);
  78         void (*send_IPI_mask_allbutself)(const struct cpumask *mask,
  79                                          int vector);
  80         void (*send_IPI_allbutself)(int vector);
  81         void (*send_IPI_all)(int vector);
  82         void (*send_IPI_self)(int vector);
  83
  84         /* wakeup_secondary_cpu */
  85         int (*wakeup_cpu)(int apicid, unsigned long start_eip);
  86
  87         int trampoline_phys_low;
  88         int trampoline_phys_high;
  89
  90         void (*wait_for_init_deassert)(atomic_t *deassert);
  91         void (*smp_callin_clear_local_apic)(void);
  92         void (*store_NMI_vector)(unsigned short *high, unsigned short *low);
  93         void (*restore_NMI_vector)(unsigned short *high, unsigned short *low);
  94         void (*inquire_remote_apic)(int apicid);
  95 };
  96
  97 extern struct genapic *apic;
  98
  99 #ifdef CONFIG_X86_32
 100 extern void es7000_update_genapic_to_cluster(void);
 101 #else
 102 extern struct genapic apic_flat;
 103 extern struct genapic apic_physflat;
 104 extern struct genapic apic_x2apic_cluster;
 105 extern struct genapic apic_x2apic_phys;
 106 extern int default_acpi_madt_oem_check(char *, char *);
 107
 108 extern void apic_send_IPI_self(int vector);
 109
 110 extern struct genapic apic_x2apic_uv_x;
 111 DECLARE_PER_CPU(int, x2apic_extra_bits);
 112
 113 extern void setup_apic_routing(void);
 114 #endif
 115
 116 #endif /* _ASM_X86_GENAPIC_64_H */