/* * APIC driver for the IBM "Summit" chipset. */ #define APIC_DEFINITION 1 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static int probe_summit(void) { /* probed later in mptable/ACPI hooks */ return 0; } static void summit_vector_allocation_domain(int cpu, cpumask_t *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, } }; } struct genapic apic_summit = { .name = "summit", .probe = probe_summit, .acpi_madt_oem_check = summit_acpi_madt_oem_check, .apic_id_registered = summit_apic_id_registered, .irq_delivery_mode = dest_LowestPrio, /* logical delivery broadcast to all CPUs: */ .irq_dest_mode = 1, .target_cpus = summit_target_cpus, .disable_esr = 1, .dest_logical = APIC_DEST_LOGICAL, .check_apicid_used = summit_check_apicid_used, .check_apicid_present = summit_check_apicid_present, .vector_allocation_domain = summit_vector_allocation_domain, .init_apic_ldr = summit_init_apic_ldr, .ioapic_phys_id_map = summit_ioapic_phys_id_map, .setup_apic_routing = summit_setup_apic_routing, .multi_timer_check = NULL, .apicid_to_node = summit_apicid_to_node, .cpu_to_logical_apicid = summit_cpu_to_logical_apicid, .cpu_present_to_apicid = summit_cpu_present_to_apicid, .apicid_to_cpu_present = summit_apicid_to_cpu_present, .setup_portio_remap = NULL, .check_phys_apicid_present = summit_check_phys_apicid_present, .enable_apic_mode = NULL, .phys_pkg_id = summit_phys_pkg_id, .mps_oem_check = summit_mps_oem_check, .get_apic_id = summit_get_apic_id, .set_apic_id = NULL, .apic_id_mask = 0xFF << 24, .cpu_mask_to_apicid = summit_cpu_mask_to_apicid, .cpu_mask_to_apicid_and = summit_cpu_mask_to_apicid_and, .send_IPI_mask = summit_send_IPI_mask, .send_IPI_mask_allbutself = NULL, .send_IPI_allbutself = summit_send_IPI_allbutself, .send_IPI_all = summit_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 = inquire_remote_apic, };