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  1. #ifndef _ASM_X86_PLATFORM_H
  2. #define _ASM_X86_PLATFORM_H
  3.  
  4. //#include <asm/bootparam.h>
  5.  
  6. struct mpc_bus;
  7. struct mpc_cpu;
  8. struct mpc_table;
  9. struct cpuinfo_x86;
  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.  */
  22. struct 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)(void);
  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.  */
  41. struct 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.  */
  54. struct 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.  */
  65. struct 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_init:     platform specific paging initialization call to setup
  73.  *                      the kernel pagetables and prepare accessors functions.
  74.  *                      Callback must call paging_init(). Called once after the
  75.  *                      direct mapping for phys memory is available.
  76.  */
  77. struct x86_init_paging {
  78.         void (*pagetable_init)(void);
  79. };
  80.  
  81. /**
  82.  * struct x86_init_timers - platform specific timer setup
  83.  * @setup_perpcu_clockev:       set up the per cpu clock event device for the
  84.  *                              boot cpu
  85.  * @tsc_pre_init:               platform function called before TSC init
  86.  * @timer_init:                 initialize the platform timer (default PIT/HPET)
  87.  * @wallclock_init:             init the wallclock device
  88.  */
  89. struct x86_init_timers {
  90.         void (*setup_percpu_clockev)(void);
  91.         void (*tsc_pre_init)(void);
  92.         void (*timer_init)(void);
  93.         void (*wallclock_init)(void);
  94. };
  95.  
  96. /**
  97.  * struct x86_init_iommu - platform specific iommu setup
  98.  * @iommu_init:                 platform specific iommu setup
  99.  */
  100. struct x86_init_iommu {
  101.         int (*iommu_init)(void);
  102. };
  103.  
  104. /**
  105.  * struct x86_init_pci - platform specific pci init functions
  106.  * @arch_init:                  platform specific pci arch init call
  107.  * @init:                       platform specific pci subsystem init
  108.  * @init_irq:                   platform specific pci irq init
  109.  * @fixup_irqs:                 platform specific pci irq fixup
  110.  */
  111. struct x86_init_pci {
  112.         int (*arch_init)(void);
  113.         int (*init)(void);
  114.         void (*init_irq)(void);
  115.         void (*fixup_irqs)(void);
  116. };
  117.  
  118. /**
  119.  * struct x86_init_ops - functions for platform specific setup
  120.  *
  121.  */
  122. struct x86_init_ops {
  123.         struct x86_init_resources       resources;
  124.         struct x86_init_mpparse         mpparse;
  125.         struct x86_init_irqs            irqs;
  126.         struct x86_init_oem             oem;
  127.         struct x86_init_paging          paging;
  128.         struct x86_init_timers          timers;
  129.         struct x86_init_iommu           iommu;
  130.         struct x86_init_pci             pci;
  131. };
  132.  
  133. /**
  134.  * struct x86_cpuinit_ops - platform specific cpu hotplug setups
  135.  * @setup_percpu_clockev:       set up the per cpu clock event device
  136.  * @early_percpu_clock_init:    early init of the per cpu clock event device
  137.  */
  138. struct x86_cpuinit_ops {
  139.         void (*setup_percpu_clockev)(void);
  140.         void (*early_percpu_clock_init)(void);
  141.         void (*fixup_cpu_id)(struct cpuinfo_x86 *c, int node);
  142. };
  143.  
  144. struct timespec;
  145.  
  146. /**
  147.  * struct x86_platform_ops - platform specific runtime functions
  148.  * @calibrate_tsc:              calibrate TSC
  149.  * @get_wallclock:              get time from HW clock like RTC etc.
  150.  * @set_wallclock:              set time back to HW clock
  151.  * @is_untracked_pat_range      exclude from PAT logic
  152.  * @nmi_init                    enable NMI on cpus
  153.  * @i8042_detect                pre-detect if i8042 controller exists
  154.  * @save_sched_clock_state:     save state for sched_clock() on suspend
  155.  * @restore_sched_clock_state:  restore state for sched_clock() on resume
  156.  * @apic_post_init:             adjust apic if neeeded
  157.  */
  158. struct x86_platform_ops {
  159.         unsigned long (*calibrate_tsc)(void);
  160.         void (*get_wallclock)(struct timespec *ts);
  161.         int (*set_wallclock)(const struct timespec *ts);
  162.         void (*iommu_shutdown)(void);
  163.         bool (*is_untracked_pat_range)(u64 start, u64 end);
  164.         void (*nmi_init)(void);
  165.         unsigned char (*get_nmi_reason)(void);
  166.         int (*i8042_detect)(void);
  167.         void (*save_sched_clock_state)(void);
  168.         void (*restore_sched_clock_state)(void);
  169.         void (*apic_post_init)(void);
  170. };
  171.  
  172. struct pci_dev;
  173.  
  174. struct x86_msi_ops {
  175.         int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type);
  176.         void (*teardown_msi_irq)(unsigned int irq);
  177.         void (*teardown_msi_irqs)(struct pci_dev *dev);
  178.         void (*restore_msi_irqs)(struct pci_dev *dev);
  179. };
  180.  
  181. struct x86_io_apic_ops {
  182.         unsigned int    (*read)   (unsigned int apic, unsigned int reg);
  183.         void            (*disable)(void);
  184. };
  185.  
  186. extern struct x86_init_ops x86_init;
  187. extern struct x86_cpuinit_ops x86_cpuinit;
  188. extern struct x86_platform_ops x86_platform;
  189. extern struct x86_msi_ops x86_msi;
  190. extern struct x86_io_apic_ops x86_io_apic_ops;
  191. extern void x86_init_noop(void);
  192. extern void x86_init_uint_noop(unsigned int unused);
  193.  
  194. #endif
  195.