94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/*
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* Default generic APIC driver. This handles up to 8 CPUs.
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*/
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#define APIC_DEFINITION 1
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#include <linux/threads.h>
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#include <linux/cpumask.h>
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#include <asm/mpspec.h>
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#include <asm/genapic.h>
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#include <asm/fixmap.h>
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#include <asm/apicdef.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/smp.h>
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#include <linux/init.h>
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#include <asm/genapic.h>
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#include <asm/ipi.h>
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static void default_vector_allocation_domain(int cpu, struct cpumask *retmask)
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{
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/*
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* Careful. Some cpus do not strictly honor the set of cpus
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* specified in the interrupt destination when using lowest
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* priority interrupt delivery mode.
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*
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* In particular there was a hyperthreading cpu observed to
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* deliver interrupts to the wrong hyperthread when only one
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* hyperthread was specified in the interrupt desitination.
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*/
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*retmask = (cpumask_t) { { [0] = APIC_ALL_CPUS } };
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}
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/* should be called last. */
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static int probe_default(void)
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{
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return 1;
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}
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struct genapic apic_default = {
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.name = "default",
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.probe = probe_default,
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.acpi_madt_oem_check = NULL,
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.apic_id_registered = default_apic_id_registered,
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.irq_delivery_mode = dest_LowestPrio,
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/* logical delivery broadcast to all CPUs: */
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.irq_dest_mode = 1,
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.target_cpus = default_target_cpus,
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.disable_esr = 0,
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.dest_logical = APIC_DEST_LOGICAL,
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.check_apicid_used = default_check_apicid_used,
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.check_apicid_present = default_check_apicid_present,
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.vector_allocation_domain = default_vector_allocation_domain,
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.init_apic_ldr = default_init_apic_ldr,
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.ioapic_phys_id_map = default_ioapic_phys_id_map,
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.setup_apic_routing = default_setup_apic_routing,
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.multi_timer_check = NULL,
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.apicid_to_node = default_apicid_to_node,
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.cpu_to_logical_apicid = default_cpu_to_logical_apicid,
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.cpu_present_to_apicid = default_cpu_present_to_apicid,
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.apicid_to_cpu_present = default_apicid_to_cpu_present,
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.setup_portio_remap = NULL,
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.check_phys_apicid_present = default_check_phys_apicid_present,
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.enable_apic_mode = NULL,
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.phys_pkg_id = default_phys_pkg_id,
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.mps_oem_check = NULL,
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.get_apic_id = default_get_apic_id,
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.set_apic_id = NULL,
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.apic_id_mask = 0x0F << 24,
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.cpu_mask_to_apicid = default_cpu_mask_to_apicid,
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.cpu_mask_to_apicid_and = default_cpu_mask_to_apicid_and,
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.send_IPI_mask = default_send_IPI_mask,
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.send_IPI_mask_allbutself = NULL,
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.send_IPI_allbutself = default_send_IPI_allbutself,
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.send_IPI_all = default_send_IPI_all,
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.send_IPI_self = NULL,
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.wakeup_cpu = NULL,
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.trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW,
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.trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH,
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.wait_for_init_deassert = default_wait_for_init_deassert,
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.smp_callin_clear_local_apic = NULL,
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.store_NMI_vector = NULL,
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.inquire_remote_apic = default_inquire_remote_apic,
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};
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