// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2020 - Google LLC * Author: David Brazdil <dbrazdil@google.com> */ #include <asm/kvm_asm.h> #include <asm/kvm_hyp.h> #include <asm/kvm_mmu.h> /* * nVHE copy of data structures tracking available CPU cores. * Only entries for CPUs that were online at KVM init are populated. * Other CPUs should not be allowed to boot because their features were * not checked against the finalized system capabilities. */ u64 __ro_after_init hyp_cpu_logical_map[NR_CPUS] = { [0 ... NR_CPUS-1] = INVALID_HWID }; u64 cpu_logical_map(unsigned int cpu) { BUG_ON(cpu >= ARRAY_SIZE(hyp_cpu_logical_map)); return hyp_cpu_logical_map[cpu]; } unsigned long __ro_after_init kvm_arm_hyp_percpu_base[NR_CPUS]; unsigned long __hyp_per_cpu_offset(unsigned int cpu) { unsigned long *cpu_base_array; unsigned long this_cpu_base; unsigned long elf_base; BUG_ON(cpu >= ARRAY_SIZE(kvm_arm_hyp_percpu_base)); cpu_base_array = (unsigned long *)&kvm_arm_hyp_percpu_base; this_cpu_base = kern_hyp_va(cpu_base_array[cpu]); elf_base = (unsigned long)&__per_cpu_start; return this_cpu_base - elf_base; }