LXR linux/arch/x86/include/asm/x86

   1#ifndef _ASM_X86_PLATFORM_H
   2#define _ASM_X86_PLATFORM_H
   3
   4#include <asm/pgtable_types.h>
   5#include <asm/bootparam.h>
   6
   7struct mpc_bus;
   8struct mpc_cpu;
   9struct mpc_table;
  10
  11/**
  12 * struct x86_init_mpparse - platform specific mpparse ops
  13 * @mpc_record:                 platform specific mpc record accounting
  14 * @setup_ioapic_ids:           platform specific ioapic id override
  15 * @mpc_apic_id:                platform specific mpc apic id assignment
  16 * @smp_read_mpc_oem:           platform specific oem mpc table setup
  17 * @mpc_oem_pci_bus:            platform specific pci bus setup (default NULL)
  18 * @mpc_oem_bus_info:           platform specific mpc bus info
  19 * @find_smp_config:            find the smp configuration
  20 * @get_smp_config:             get the smp configuration
  21 */
  22struct x86_init_mpparse {
  23        void (*mpc_record)(unsigned int mode);
  24        void (*setup_ioapic_ids)(void);
  25        int (*mpc_apic_id)(struct mpc_cpu *m);
  26        void (*smp_read_mpc_oem)(struct mpc_table *mpc);
  27        void (*mpc_oem_pci_bus)(struct mpc_bus *m);
  28        void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
  29        void (*find_smp_config)(unsigned int reserve);
  30        void (*get_smp_config)(unsigned int early);
  31};
  32
  33/**
  34 * struct x86_init_resources - platform specific resource related ops
  35 * @probe_roms:                 probe BIOS roms
  36 * @reserve_resources:          reserve the standard resources for the
  37 *                              platform
  38 * @memory_setup:               platform specific memory setup
  39 *
  40 */
  41struct x86_init_resources {
  42        void (*probe_roms)(void);
  43        void (*reserve_resources)(void);
  44        char *(*memory_setup)(void);
  45};
  46
  47/**
  48 * struct x86_init_irqs - platform specific interrupt setup
  49 * @pre_vector_init:            init code to run before interrupt vectors
  50 *                              are set up.
  51 * @intr_init:                  interrupt init code
  52 * @trap_init:                  platform specific trap setup
  53 */
  54struct x86_init_irqs {
  55        void (*pre_vector_init)(void);
  56        void (*intr_init)(void);
  57        void (*trap_init)(void);
  58};
  59
  60/**
  61 * struct x86_init_oem - oem platform specific customizing functions
  62 * @arch_setup:                 platform specific architecure setup
  63 * @banner:                     print a platform specific banner
  64 */
  65struct x86_init_oem {
  66        void (*arch_setup)(void);
  67        void (*banner)(void);
  68};
  69
  70/**
  71 * struct x86_init_paging - platform specific paging functions
  72 * @pagetable_setup_start:      platform specific pre paging_init() call
  73 * @pagetable_setup_done:       platform specific post paging_init() call
  74 */
  75struct x86_init_paging {
  76        void (*pagetable_setup_start)(pgd_t *base);
  77        void (*pagetable_setup_done)(pgd_t *base);
  78};
  79
  80/**
  81 * struct x86_init_timers - platform specific timer setup
  82 * @setup_perpcu_clockev:       set up the per cpu clock event device for the
  83 *                              boot cpu
  84 * @tsc_pre_init:               platform function called before TSC init
  85 * @timer_init:                 initialize the platform timer (default PIT/HPET)
  86 */
  87struct x86_init_timers {
  88        void (*setup_percpu_clockev)(void);
  89        void (*tsc_pre_init)(void);
  90        void (*timer_init)(void);
  91};
  92
  93/**
  94 * struct x86_init_ops - functions for platform specific setup
  95 *
  96 */
  97struct x86_init_ops {
  98        struct x86_init_resources       resources;
  99        struct x86_init_mpparse         mpparse;
 100        struct x86_init_irqs            irqs;
 101        struct x86_init_oem             oem;
 102        struct x86_init_paging          paging;
 103        struct x86_init_timers          timers;
 104};
 105
 106/**
 107 * struct x86_cpuinit_ops - platform specific cpu hotplug setups
 108 * @setup_percpu_clockev:       set up the per cpu clock event device
 109 */
 110struct x86_cpuinit_ops {
 111        void (*setup_percpu_clockev)(void);
 112};
 113
 114/**
 115 * struct x86_platform_ops - platform specific runtime functions
 116 * @calibrate_tsc:              calibrate TSC
 117 * @get_wallclock:              get time from HW clock like RTC etc.
 118 * @set_wallclock:              set time back to HW clock
 119 */
 120struct x86_platform_ops {
 121        unsigned long (*calibrate_tsc)(void);
 122        unsigned long (*get_wallclock)(void);
 123        int (*set_wallclock)(unsigned long nowtime);
 124};
 125
 126extern struct x86_init_ops x86_init;
 127extern struct x86_cpuinit_ops x86_cpuinit;
 128extern struct x86_platform_ops x86_platform;
 129
 130extern void x86_init_noop(void);
 131extern void x86_init_uint_noop(unsigned int unused);
 132
 133#endif
 134