diff options
Diffstat (limited to 'linux/arch/x86/include/asm/x86_init.h')
| -rw-r--r-- | linux/arch/x86/include/asm/x86_init.h | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/linux/arch/x86/include/asm/x86_init.h b/linux/arch/x86/include/asm/x86_init.h new file mode 100644 index 00000000..f58a9c7a --- /dev/null +++ b/linux/arch/x86/include/asm/x86_init.h @@ -0,0 +1,216 @@ +#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 - platform specific mpparse ops + * @mpc_record: platform specific mpc record accounting + * @setup_ioapic_ids: platform specific ioapic id override + * @mpc_apic_id: platform specific mpc apic id assignment + * @smp_read_mpc_oem: platform specific oem mpc table setup + * @mpc_oem_pci_bus: platform specific pci bus setup (default NULL) + * @mpc_oem_bus_info: platform specific mpc bus info + * @find_smp_config: find the smp configuration + * @get_smp_config: get the smp configuration + */ +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 - platform specific resource related ops + * @probe_roms: probe BIOS roms + * @reserve_resources: reserve the standard resources for the + * platform + * @memory_setup: platform specific memory setup + * + */ +struct x86_init_resources { + void (*probe_roms)(void); + void (*reserve_resources)(void); + char *(*memory_setup)(void); +}; + +/** + * struct x86_init_irqs - platform specific interrupt setup + * @pre_vector_init: init code to run before interrupt vectors + * are set up. + * @intr_init: interrupt init code + * @trap_init: platform specific trap setup + */ +struct x86_init_irqs { + void (*pre_vector_init)(void); + void (*intr_init)(void); + void (*trap_init)(void); +}; + +/** + * struct x86_init_oem - oem platform specific customizing functions + * @arch_setup: platform specific architecure setup + * @banner: print a platform specific banner + */ +struct x86_init_oem { + void (*arch_setup)(void); + void (*banner)(void); +}; + +/** + * struct x86_init_paging - platform specific paging functions + * @pagetable_init: platform specific paging initialization call to setup + * the kernel pagetables and prepare accessors functions. + * Callback must call paging_init(). Called once after the + * direct mapping for phys memory is available. + */ +struct x86_init_paging { + void (*pagetable_init)(void); +}; + +/** + * struct x86_init_timers - platform specific timer setup + * @setup_perpcu_clockev: set up the per cpu clock event device for the + * boot cpu + * @tsc_pre_init: platform function called before TSC init + * @timer_init: initialize the platform timer (default PIT/HPET) + * @wallclock_init: init the wallclock device + */ +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 - platform specific iommu setup + * @iommu_init: platform specific iommu setup + */ +struct x86_init_iommu { + int (*iommu_init)(void); +}; + +/** + * struct x86_init_pci - platform specific pci init functions + * @arch_init: platform specific pci arch init call + * @init: platform specific pci subsystem init + * @init_irq: platform specific pci irq init + * @fixup_irqs: platform specific pci irq fixup + */ +struct x86_init_pci { + int (*arch_init)(void); + int (*init)(void); + void (*init_irq)(void); + void (*fixup_irqs)(void); +}; + +/** + * struct x86_init_ops - functions for platform specific setup + * + */ +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_paging paging; + struct x86_init_timers timers; + struct x86_init_iommu iommu; + struct x86_init_pci pci; +}; + +/** + * struct x86_cpuinit_ops - platform specific cpu hotplug setups + * @setup_percpu_clockev: set up the per cpu clock event device + * @early_percpu_clock_init: early init of the per cpu clock event device + */ +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 timespec; + +/** + * struct x86_platform_ops - platform specific runtime functions + * @calibrate_tsc: calibrate TSC + * @get_wallclock: get time from HW clock like RTC etc. + * @set_wallclock: set time back to HW clock + * @is_untracked_pat_range exclude from PAT logic + * @nmi_init enable NMI on cpus + * @i8042_detect pre-detect if i8042 controller exists + * @save_sched_clock_state: save state for sched_clock() on suspend + * @restore_sched_clock_state: restore state for sched_clock() on resume + * @apic_post_init: adjust apic if neeeded + */ +struct x86_platform_ops { + unsigned long (*calibrate_tsc)(void); + void (*get_wallclock)(struct timespec *ts); + int (*set_wallclock)(const struct timespec *ts); + 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 msi_msg; + +struct x86_msi_ops { + int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type); + void (*compose_msi_msg)(struct pci_dev *dev, unsigned int irq, + unsigned int dest, struct msi_msg *msg, + u8 hpet_id); + void (*teardown_msi_irq)(unsigned int irq); + void (*teardown_msi_irqs)(struct pci_dev *dev); + void (*restore_msi_irqs)(struct pci_dev *dev); + int (*setup_hpet_msi)(unsigned int irq, unsigned int id); +}; + +struct IO_APIC_route_entry; +struct io_apic_irq_attr; +struct irq_data; +struct cpumask; + +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); + void (*disable)(void); + void (*print_entries)(unsigned int apic, unsigned int nr_entries); + int (*set_affinity)(struct irq_data *data, + const struct cpumask *mask, + bool force); + int (*setup_entry)(int irq, struct IO_APIC_route_entry *entry, + unsigned int destination, int vector, + struct io_apic_irq_attr *attr); + void (*eoi_ioapic_pin)(int apic, int pin, int vector); +}; + +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 |