/* * Common functions shared between the various APIC flavours * * SPDX-License-Identifier: GPL-2.0 */ #include <linux/irq.h> #include <asm/apic.h> u32 apic_default_calc_apicid(unsigned int cpu) { return per_cpu(x86_cpu_to_apicid, cpu); } u32 apic_flat_calc_apicid(unsigned int cpu) { return 1U << cpu; } bool default_check_apicid_used(physid_mask_t *map, int apicid) { return physid_isset(apicid, *map); } void default_ioapic_phys_id_map(physid_mask_t *phys_map, physid_mask_t *retmap) { *retmap = *phys_map; } int default_cpu_present_to_apicid(int mps_cpu) { if (mps_cpu < nr_cpu_ids && cpu_present(mps_cpu)) return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu); else return BAD_APICID; } EXPORT_SYMBOL_GPL(default_cpu_present_to_apicid); int default_check_phys_apicid_present(int phys_apicid) { return physid_isset(phys_apicid, phys_cpu_present_map); } int default_apic_id_valid(u32 apicid) { return (apicid < 255); }