/* * APIC driver for "bigsmp" XAPIC machines with more than 8 virtual CPUs. * Drives the local APIC in "clustered mode". */ #define APIC_DEFINITION 1 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static int dmi_bigsmp; /* can be set by dmi scanners */ static int hp_ht_bigsmp(const struct dmi_system_id *d) { printk(KERN_NOTICE "%s detected: force use of apic=bigsmp\n", d->ident); dmi_bigsmp = 1; return 0; } static const struct dmi_system_id bigsmp_dmi_table[] = { { hp_ht_bigsmp, "HP ProLiant DL760 G2", { DMI_MATCH(DMI_BIOS_VENDOR, "HP"), DMI_MATCH(DMI_BIOS_VERSION, "P44-"),} }, { hp_ht_bigsmp, "HP ProLiant DL740", { DMI_MATCH(DMI_BIOS_VENDOR, "HP"), DMI_MATCH(DMI_BIOS_VERSION, "P47-"),} }, { } }; static void bigsmp_vector_allocation_domain(int cpu, cpumask_t *retmask) { cpus_clear(*retmask); cpu_set(cpu, *retmask); } static int probe_bigsmp(void) { if (def_to_bigsmp) dmi_bigsmp = 1; else dmi_check_system(bigsmp_dmi_table); return dmi_bigsmp; } struct genapic apic_bigsmp = { .name = "bigsmp", .probe = probe_bigsmp, .acpi_madt_oem_check = NULL, .apic_id_registered = bigsmp_apic_id_registered, .irq_delivery_mode = dest_Fixed, /* phys delivery to target CPU: */ .irq_dest_mode = 0, .target_cpus = bigsmp_target_cpus, .disable_esr = 1, .dest_logical = 0, .check_apicid_used = bigsmp_check_apicid_used, .check_apicid_present = bigsmp_check_apicid_present, .vector_allocation_domain = bigsmp_vector_allocation_domain, .init_apic_ldr = bigsmp_init_apic_ldr, .ioapic_phys_id_map = bigsmp_ioapic_phys_id_map, .setup_apic_routing = bigsmp_setup_apic_routing, .multi_timer_check = NULL, .apicid_to_node = bigsmp_apicid_to_node, .cpu_to_logical_apicid = bigsmp_cpu_to_logical_apicid, .cpu_present_to_apicid = cpu_present_to_apicid, .apicid_to_cpu_present = apicid_to_cpu_present, .setup_portio_remap = setup_portio_remap, .check_phys_apicid_present = check_phys_apicid_present, .enable_apic_mode = enable_apic_mode, .phys_pkg_id = phys_pkg_id, .mps_oem_check = mps_oem_check, .get_apic_id = get_apic_id, .set_apic_id = NULL, .apic_id_mask = APIC_ID_MASK, .cpu_mask_to_apicid = cpu_mask_to_apicid, .cpu_mask_to_apicid_and = cpu_mask_to_apicid_and, .send_IPI_mask = send_IPI_mask, .send_IPI_mask_allbutself = NULL, .send_IPI_allbutself = send_IPI_allbutself, .send_IPI_all = send_IPI_all, .send_IPI_self = NULL, .wakeup_cpu = NULL, .trampoline_phys_low = TRAMPOLINE_PHYS_LOW, .trampoline_phys_high = TRAMPOLINE_PHYS_HIGH, .wait_for_init_deassert = wait_for_init_deassert, .smp_callin_clear_local_apic = smp_callin_clear_local_apic, .store_NMI_vector = store_NMI_vector, .restore_NMI_vector = restore_NMI_vector, .inquire_remote_apic = inquire_remote_apic, };