release/src-rt-6.x/linux/linux-2.6/include/asm-i386/genapic.h

   1 #ifndef _ASM_GENAPIC_H
   2 #define _ASM_GENAPIC_H 1
   3
   4 #include <asm/mpspec.h>
   5
   6 /*
   7  * Generic APIC driver interface.
   8  *
   9  * An straight forward mapping of the APIC related parts of the
  10  * x86 subarchitecture interface to a dynamic object.
  11  *
  12  * This is used by the "generic" x86 subarchitecture.
  13  *
  14  * Copyright 2003 Andi Kleen, SuSE Labs.
  15  */
  16
  17 struct mpc_config_translation;
  18 struct mpc_config_bus;
  19 struct mp_config_table;
  20 struct mpc_config_processor;
  21
  22 struct genapic {
  23         char *name;
  24         int (*probe)(void);
  25
  26         int (*apic_id_registered)(void);
  27         cpumask_t (*target_cpus)(void);
  28         int int_delivery_mode;
  29         int int_dest_mode;
  30         int ESR_DISABLE;
  31         int apic_destination_logical;
  32         unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid);
  33         unsigned long (*check_apicid_present)(int apicid);
  34         int no_balance_irq;
  35         int no_ioapic_check;
  36         void (*init_apic_ldr)(void);
  37         physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map);
  38
  39         void (*setup_apic_routing)(void);
  40         int (*multi_timer_check)(int apic, int irq);
  41         int (*apicid_to_node)(int logical_apicid);
  42         int (*cpu_to_logical_apicid)(int cpu);
  43         int (*cpu_present_to_apicid)(int mps_cpu);
  44         physid_mask_t (*apicid_to_cpu_present)(int phys_apicid);
  45         int (*mpc_apic_id)(struct mpc_config_processor *m,
  46                            struct mpc_config_translation *t);
  47         void (*setup_portio_remap)(void);
  48         int (*check_phys_apicid_present)(int boot_cpu_physical_apicid);
  49         void (*enable_apic_mode)(void);
  50         u32 (*phys_pkg_id)(u32 cpuid_apic, int index_msb);
  51
  52         /* mpparse */
  53         void (*mpc_oem_bus_info)(struct mpc_config_bus *, char *,
  54                                  struct mpc_config_translation *);
  55         void (*mpc_oem_pci_bus)(struct mpc_config_bus *,
  56                                 struct mpc_config_translation *);
  57
  58         /* When one of the next two hooks returns 1 the genapic
  59            is switched to this. Essentially they are additional probe
  60            functions. */
  61         int (*mps_oem_check)(struct mp_config_table *mpc, char *oem,
  62                               char *productid);
  63         int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id);
  64
  65         unsigned (*get_apic_id)(unsigned long x);
  66         unsigned long apic_id_mask;
  67         unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask);
  68
  69 #ifdef CONFIG_SMP
  70         /* ipi */
  71         void (*send_IPI_mask)(cpumask_t mask, int vector);
  72         void (*send_IPI_allbutself)(int vector);
  73         void (*send_IPI_all)(int vector);
  74 #endif
  75 };
  76
  77 #define APICFUNC(x) .x = x,
  78
  79 /* More functions could be probably marked IPIFUNC and save some space
  80    in UP GENERICARCH kernels, but I don't have the nerve right now
  81    to untangle this mess. -AK  */
  82 #ifdef CONFIG_SMP
  83 #define IPIFUNC(x) APICFUNC(x)
  84 #else
  85 #define IPIFUNC(x)
  86 #endif
  87
  88 #define APIC_INIT(aname, aprobe) { \
  89         .name = aname, \
  90         .probe = aprobe, \
  91         .int_delivery_mode = INT_DELIVERY_MODE, \
  92         .int_dest_mode = INT_DEST_MODE, \
  93         .no_balance_irq = NO_BALANCE_IRQ, \
  94         .ESR_DISABLE = esr_disable, \
  95         .apic_destination_logical = APIC_DEST_LOGICAL, \
  96         APICFUNC(apic_id_registered) \
  97         APICFUNC(target_cpus) \
  98         APICFUNC(check_apicid_used) \
  99         APICFUNC(check_apicid_present) \
 100         APICFUNC(init_apic_ldr) \
 101         APICFUNC(ioapic_phys_id_map) \
 102         APICFUNC(setup_apic_routing) \
 103         APICFUNC(multi_timer_check) \
 104         APICFUNC(apicid_to_node) \
 105         APICFUNC(cpu_to_logical_apicid) \
 106         APICFUNC(cpu_present_to_apicid) \
 107         APICFUNC(apicid_to_cpu_present) \
 108         APICFUNC(mpc_apic_id) \
 109         APICFUNC(setup_portio_remap) \
 110         APICFUNC(check_phys_apicid_present) \
 111         APICFUNC(mpc_oem_bus_info) \
 112         APICFUNC(mpc_oem_pci_bus) \
 113         APICFUNC(mps_oem_check) \
 114         APICFUNC(get_apic_id) \
 115         .apic_id_mask = APIC_ID_MASK, \
 116         APICFUNC(cpu_mask_to_apicid) \
 117         APICFUNC(acpi_madt_oem_check) \
 118         IPIFUNC(send_IPI_mask) \
 119         IPIFUNC(send_IPI_allbutself) \
 120         IPIFUNC(send_IPI_all) \
 121         APICFUNC(enable_apic_mode) \
 122         APICFUNC(phys_pkg_id) \
 123         }
 124
 125 extern struct genapic *genapic;
 126
 127 #endif