1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2020 - Google LLC
4 * Author: David Brazdil <dbrazdil@google.com>
7 #include <asm/kvm_asm.h>
8 #include <asm/kvm_hyp.h>
9 #include <asm/kvm_mmu.h>
12 * nVHE copy of data structures tracking available CPU cores.
13 * Only entries for CPUs that were online at KVM init are populated.
14 * Other CPUs should not be allowed to boot because their features were
15 * not checked against the finalized system capabilities.
17 u64 __ro_after_init hyp_cpu_logical_map[NR_CPUS] = { [0 ... NR_CPUS-1] = INVALID_HWID };
19 u64 cpu_logical_map(unsigned int cpu)
21 if (cpu >= ARRAY_SIZE(hyp_cpu_logical_map))
24 return hyp_cpu_logical_map[cpu];
27 unsigned long __hyp_per_cpu_offset(unsigned int cpu)
29 unsigned long *cpu_base_array;
30 unsigned long this_cpu_base;
31 unsigned long elf_base;
33 if (cpu >= ARRAY_SIZE(kvm_arm_hyp_percpu_base))
36 cpu_base_array = (unsigned long *)hyp_symbol_addr(kvm_arm_hyp_percpu_base);
37 this_cpu_base = kern_hyp_va(cpu_base_array[cpu]);
38 elf_base = (unsigned long)hyp_symbol_addr(__per_cpu_start);
39 return this_cpu_base - elf_base;