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