1687413d3SDavid Brazdil // SPDX-License-Identifier: GPL-2.0-only 2687413d3SDavid Brazdil /* 3687413d3SDavid Brazdil * Copyright (C) 2020 - Google LLC 4687413d3SDavid Brazdil * Author: David Brazdil <dbrazdil@google.com> 5687413d3SDavid Brazdil */ 6687413d3SDavid Brazdil 7687413d3SDavid Brazdil #include <asm/kvm_asm.h> 8687413d3SDavid Brazdil #include <asm/kvm_hyp.h> 9687413d3SDavid Brazdil #include <asm/kvm_mmu.h> 10687413d3SDavid Brazdil 1194f5e8a4SDavid Brazdil /* 1294f5e8a4SDavid Brazdil * nVHE copy of data structures tracking available CPU cores. 1394f5e8a4SDavid Brazdil * Only entries for CPUs that were online at KVM init are populated. 1494f5e8a4SDavid Brazdil * Other CPUs should not be allowed to boot because their features were 1594f5e8a4SDavid Brazdil * not checked against the finalized system capabilities. 1694f5e8a4SDavid Brazdil */ 1761fe0c37SDavid Brazdil u64 __ro_after_init hyp_cpu_logical_map[NR_CPUS] = { [0 ... NR_CPUS-1] = INVALID_HWID }; 1894f5e8a4SDavid Brazdil cpu_logical_map(unsigned int cpu)1994f5e8a4SDavid Brazdilu64 cpu_logical_map(unsigned int cpu) 2094f5e8a4SDavid Brazdil { 21f79e616fSAndrew Scull BUG_ON(cpu >= ARRAY_SIZE(hyp_cpu_logical_map)); 2294f5e8a4SDavid Brazdil 2361fe0c37SDavid Brazdil return hyp_cpu_logical_map[cpu]; 2494f5e8a4SDavid Brazdil } 2594f5e8a4SDavid Brazdil 26*fe41a7f8SQuentin Perret unsigned long __ro_after_init kvm_arm_hyp_percpu_base[NR_CPUS]; 27*fe41a7f8SQuentin Perret __hyp_per_cpu_offset(unsigned int cpu)28687413d3SDavid Brazdilunsigned long __hyp_per_cpu_offset(unsigned int cpu) 29687413d3SDavid Brazdil { 30687413d3SDavid Brazdil unsigned long *cpu_base_array; 31687413d3SDavid Brazdil unsigned long this_cpu_base; 32687413d3SDavid Brazdil unsigned long elf_base; 33687413d3SDavid Brazdil 34f79e616fSAndrew Scull BUG_ON(cpu >= ARRAY_SIZE(kvm_arm_hyp_percpu_base)); 35687413d3SDavid Brazdil 36247bc166SDavid Brazdil cpu_base_array = (unsigned long *)&kvm_arm_hyp_percpu_base; 37687413d3SDavid Brazdil this_cpu_base = kern_hyp_va(cpu_base_array[cpu]); 38247bc166SDavid Brazdil elf_base = (unsigned long)&__per_cpu_start; 39687413d3SDavid Brazdil return this_cpu_base - elf_base; 40687413d3SDavid Brazdil } 41