include/asm-i386/genapic.h

   1 #ifndef _ASM_GENAPIC_H
   2 #define _ASM_GENAPIC_H 1
   3
   4 /*
   5  * Generic APIC driver interface.
   6  *
   7  * An straight forward mapping of the APIC related parts of the
   8  * x86 subarchitecture interface to a dynamic object.
   9  *
  10  * This is used by the "generic" x86 subarchitecture.
  11  *
  12  * Copyright 2003 Andi Kleen, SuSE Labs.
  13  */
  14
  15 struct mpc_config_translation;
  16 struct mpc_config_bus;
  17 struct mp_config_table;
  18 struct mpc_config_processor;
  19
  20 struct genapic {
  21         char *name;
  22         int (*probe)(void);
  23
  24         int (*apic_id_registered)(void);
  25         cpumask_t (*target_cpus)(void);
  26         int int_delivery_mode;
  27         int int_dest_mode;
  28         int ESR_DISABLE;
  29         int apic_destination_logical;
  30         unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid);
  31         unsigned long (*check_apicid_present)(int apicid);
  32         int no_balance_irq;
  33         int no_ioapic_check;
  34         void (*init_apic_ldr)(void);
  35         physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map);
  36
  37         void (*clustered_apic_check)(void);
  38         int (*multi_timer_check)(int apic, int irq);
  39         int (*apicid_to_node)(int logical_apicid);
  40         int (*cpu_to_logical_apicid)(int cpu);
  41         int (*cpu_present_to_apicid)(int mps_cpu);
  42         physid_mask_t (*apicid_to_cpu_present)(int phys_apicid);
  43         int (*mpc_apic_id)(struct mpc_config_processor *m,
  44                            struct mpc_config_translation *t);
  45         void (*setup_portio_remap)(void);
  46         int (*check_phys_apicid_present)(int boot_cpu_physical_apicid);
  47         void (*enable_apic_mode)(void);
  48         u32 (*phys_pkg_id)(u32 cpuid_apic, int index_msb);
  49
  50         /* mpparse */
  51         void (*mpc_oem_bus_info)(struct mpc_config_bus *, char *,
  52                                  struct mpc_config_translation *);
  53         void (*mpc_oem_pci_bus)(struct mpc_config_bus *,
  54                                 struct mpc_config_translation *);
  55
  56         /* When one of the next two hooks returns 1 the genapic
  57            is switched to this. Essentially they are additional probe
  58            functions. */
  59         int (*mps_oem_check)(struct mp_config_table *mpc, char *oem,
  60                               char *productid);
  61         int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id);
  62
  63         unsigned (*get_apic_id)(unsigned long x);
  64         unsigned long apic_id_mask;
  65         unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask);
  66
  67         /* ipi */
  68         void (*send_IPI_mask)(cpumask_t mask, int vector);
  69         void (*send_IPI_allbutself)(int vector);
  70         void (*send_IPI_all)(int vector);
  71 };
  72
  73 #define APICFUNC(x) .x = x
  74
  75 #define APIC_INIT(aname, aprobe) { \
  76         .name = aname, \
  77         .probe = aprobe, \
  78         .int_delivery_mode = INT_DELIVERY_MODE, \
  79         .int_dest_mode = INT_DEST_MODE, \
  80         .no_balance_irq = NO_BALANCE_IRQ, \
  81         .ESR_DISABLE = esr_disable, \
  82         .apic_destination_logical = APIC_DEST_LOGICAL, \
  83         APICFUNC(apic_id_registered), \
  84         APICFUNC(target_cpus), \
  85         APICFUNC(check_apicid_used), \
  86         APICFUNC(check_apicid_present), \
  87         APICFUNC(init_apic_ldr), \
  88         APICFUNC(ioapic_phys_id_map), \
  89         APICFUNC(clustered_apic_check), \
  90         APICFUNC(multi_timer_check), \
  91         APICFUNC(apicid_to_node), \
  92         APICFUNC(cpu_to_logical_apicid), \
  93         APICFUNC(cpu_present_to_apicid), \
  94         APICFUNC(apicid_to_cpu_present), \
  95         APICFUNC(mpc_apic_id), \
  96         APICFUNC(setup_portio_remap), \
  97         APICFUNC(check_phys_apicid_present), \
  98         APICFUNC(mpc_oem_bus_info), \
  99         APICFUNC(mpc_oem_pci_bus), \
 100         APICFUNC(mps_oem_check), \
 101         APICFUNC(get_apic_id), \
 102         .apic_id_mask = APIC_ID_MASK, \
 103         APICFUNC(cpu_mask_to_apicid), \
 104         APICFUNC(acpi_madt_oem_check), \
 105         APICFUNC(send_IPI_mask), \
 106         APICFUNC(send_IPI_allbutself), \
 107         APICFUNC(send_IPI_all), \
 108         APICFUNC(enable_apic_mode), \
 109         APICFUNC(phys_pkg_id), \
 110         }
 111
 112 extern struct genapic *genapic;
 113
 114 #endif