root/include/asm-x86/genapic_32.h

INCLUDED FROM

#ifndef ASM_X86__GENAPIC_32_H
#define ASM_X86__GENAPIC_32_H

#include <asm/mpspec.h>

/*
 * Generic APIC driver interface.
 *
 * An straight forward mapping of the APIC related parts of the
 * x86 subarchitecture interface to a dynamic object.
 *
 * This is used by the "generic" x86 subarchitecture.
 *
 * Copyright 2003 Andi Kleen, SuSE Labs.
 */

struct mpc_config_bus;
struct mp_config_table;
struct mpc_config_processor;

struct genapic {
        char *name;
        int (*probe)(void);

        int (*apic_id_registered)(void);
        cpumask_t (*target_cpus)(void);
        int int_delivery_mode;
        int int_dest_mode;
        int ESR_DISABLE;
        int apic_destination_logical;
        unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid);
        unsigned long (*check_apicid_present)(int apicid);
        int no_balance_irq;
        int no_ioapic_check;
        void (*init_apic_ldr)(void);
        physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map);

        void (*setup_apic_routing)(void);
        int (*multi_timer_check)(int apic, int irq);
        int (*apicid_to_node)(int logical_apicid);
        int (*cpu_to_logical_apicid)(int cpu);
        int (*cpu_present_to_apicid)(int mps_cpu);
        physid_mask_t (*apicid_to_cpu_present)(int phys_apicid);
        void (*setup_portio_remap)(void);
        int (*check_phys_apicid_present)(int boot_cpu_physical_apicid);
        void (*enable_apic_mode)(void);
        u32 (*phys_pkg_id)(u32 cpuid_apic, int index_msb);

        /* mpparse */
        /* When one of the next two hooks returns 1 the genapic
           is switched to this. Essentially they are additional probe
           functions. */
        int (*mps_oem_check)(struct mp_config_table *mpc, char *oem,
                             char *productid);
        int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id);

        unsigned (*get_apic_id)(unsigned long x);
        unsigned long apic_id_mask;
        unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask);

#ifdef CONFIG_SMP
        /* ipi */
        void (*send_IPI_mask)(cpumask_t mask, int vector);
        void (*send_IPI_allbutself)(int vector);
        void (*send_IPI_all)(int vector);
#endif
};

#define APICFUNC(x) .x = x,

/* More functions could be probably marked IPIFUNC and save some space
   in UP GENERICARCH kernels, but I don't have the nerve right now
   to untangle this mess. -AK  */
#ifdef CONFIG_SMP
#define IPIFUNC(x) APICFUNC(x)
#else
#define IPIFUNC(x)
#endif

#define APIC_INIT(aname, aprobe)                        \
{                                                       \
        .name = aname,                                  \
        .probe = aprobe,                                \
        .int_delivery_mode = INT_DELIVERY_MODE,         \
        .int_dest_mode = INT_DEST_MODE,                 \
        .no_balance_irq = NO_BALANCE_IRQ,               \
        .ESR_DISABLE = esr_disable,                     \
        .apic_destination_logical = APIC_DEST_LOGICAL,  \
        APICFUNC(apic_id_registered)                    \
        APICFUNC(target_cpus)                           \
        APICFUNC(check_apicid_used)                     \
        APICFUNC(check_apicid_present)                  \
        APICFUNC(init_apic_ldr)                         \
        APICFUNC(ioapic_phys_id_map)                    \
        APICFUNC(setup_apic_routing)                    \
        APICFUNC(multi_timer_check)                     \
        APICFUNC(apicid_to_node)                        \
        APICFUNC(cpu_to_logical_apicid)                 \
        APICFUNC(cpu_present_to_apicid)                 \
        APICFUNC(apicid_to_cpu_present)                 \
        APICFUNC(setup_portio_remap)                    \
        APICFUNC(check_phys_apicid_present)             \
        APICFUNC(mps_oem_check)                         \
        APICFUNC(get_apic_id)                           \
        .apic_id_mask = APIC_ID_MASK,                   \
        APICFUNC(cpu_mask_to_apicid)                    \
        APICFUNC(acpi_madt_oem_check)                   \
        IPIFUNC(send_IPI_mask)                          \
        IPIFUNC(send_IPI_allbutself)                    \
        IPIFUNC(send_IPI_all)                           \
        APICFUNC(enable_apic_mode)                      \
        APICFUNC(phys_pkg_id)                           \
}

extern struct genapic *genapic;

enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
#define get_uv_system_type()            UV_NONE
#define is_uv_system()                  0
#define uv_wakeup_secondary(a, b)       1
#define uv_system_init()                do {} while (0)


#endif /* ASM_X86__GENAPIC_32_H */