x86_init.h

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#ifndef _ASM_X86_PLATFORM_H
#define _ASM_X86_PLATFORM_H

#include <asm/pgtable_types.h>
#include <asm/bootparam.h>

struct mpc_bus;
struct mpc_cpu;
struct mpc_table;
struct cpuinfo_x86;

struct x86_init_mpparse {
    void (*mpc_record)(unsigned int mode);
    void (*setup_ioapic_ids)(void);
    int (*mpc_apic_id)(struct mpc_cpu *m);
    void (*smp_read_mpc_oem)(struct mpc_table *mpc);
    void (*mpc_oem_pci_bus)(struct mpc_bus *m);
    void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
    void (*find_smp_config)(void);
    void (*get_smp_config)(unsigned int early);
};

struct x86_init_resources {
    void (*probe_roms)(void);
    void (*reserve_resources)(void);
    char *(*memory_setup)(void);
};

struct x86_init_irqs {
    void (*pre_vector_init)(void);
    void (*intr_init)(void);
    void (*trap_init)(void);
};

struct x86_init_oem {
    void (*arch_setup)(void);
    void (*banner)(void);
};

struct x86_init_mapping {
    void (*pagetable_reserve)(u64 start, u64 end);
};

struct x86_init_paging {
    void (*pagetable_init)(void);
};

struct x86_init_timers {
    void (*setup_percpu_clockev)(void);
    void (*tsc_pre_init)(void);
    void (*timer_init)(void);
    void (*wallclock_init)(void);
};

struct x86_init_iommu {
    int (*iommu_init)(void);
};

struct x86_init_pci {
    int (*arch_init)(void);
    int (*init)(void);
    void (*init_irq)(void);
    void (*fixup_irqs)(void);
};

struct x86_init_ops {
    struct x86_init_resources   resources;
    struct x86_init_mpparse     mpparse;
    struct x86_init_irqs        irqs;
    struct x86_init_oem     oem;
    struct x86_init_mapping     mapping;
    struct x86_init_paging      paging;
    struct x86_init_timers      timers;
    struct x86_init_iommu       iommu;
    struct x86_init_pci     pci;
};

struct x86_cpuinit_ops {
    void (*setup_percpu_clockev)(void);
    void (*early_percpu_clock_init)(void);
    void (*fixup_cpu_id)(struct cpuinfo_x86 *c, int node);
};

struct x86_platform_ops {
    unsigned long (*calibrate_tsc)(void);
    unsigned long (*get_wallclock)(void);
    int (*set_wallclock)(unsigned long nowtime);
    void (*iommu_shutdown)(void);
    bool (*is_untracked_pat_range)(u64 start, u64 end);
    void (*nmi_init)(void);
    unsigned char (*get_nmi_reason)(void);
    int (*i8042_detect)(void);
    void (*save_sched_clock_state)(void);
    void (*restore_sched_clock_state)(void);
    void (*apic_post_init)(void);
};

struct pci_dev;

struct x86_msi_ops {
    int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type);
    void (*teardown_msi_irq)(unsigned int irq);
    void (*teardown_msi_irqs)(struct pci_dev *dev);
    void (*restore_msi_irqs)(struct pci_dev *dev, int irq);
};

struct x86_io_apic_ops {
    void        (*init)  (void);
    unsigned int    (*read)  (unsigned int apic, unsigned int reg);
    void        (*write) (unsigned int apic, unsigned int reg, unsigned int value);
    void        (*modify)(unsigned int apic, unsigned int reg, unsigned int value);
};

extern struct x86_init_ops x86_init;
extern struct x86_cpuinit_ops x86_cpuinit;
extern struct x86_platform_ops x86_platform;
extern struct x86_msi_ops x86_msi;
extern struct x86_io_apic_ops x86_io_apic_ops;
extern void x86_init_noop(void);
extern void x86_init_uint_noop(unsigned int unused);

#endif