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61fe0c37af
Small cleanup moving declarations of hyp-exported variables to kvm_host.h and using macros to avoid having to refer to them with kvm_nvhe_sym() in host. No functional change intended. Signed-off-by: David Brazdil <dbrazdil@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20201208142452.87237-5-dbrazdil@google.com
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2020 - Google LLC
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* Author: David Brazdil <dbrazdil@google.com>
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*/
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#include <asm/kvm_asm.h>
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#include <asm/kvm_hyp.h>
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#include <asm/kvm_mmu.h>
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/*
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* nVHE copy of data structures tracking available CPU cores.
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* Only entries for CPUs that were online at KVM init are populated.
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* Other CPUs should not be allowed to boot because their features were
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* not checked against the finalized system capabilities.
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*/
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u64 __ro_after_init hyp_cpu_logical_map[NR_CPUS] = { [0 ... NR_CPUS-1] = INVALID_HWID };
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u64 cpu_logical_map(unsigned int cpu)
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{
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if (cpu >= ARRAY_SIZE(hyp_cpu_logical_map))
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hyp_panic();
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return hyp_cpu_logical_map[cpu];
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}
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unsigned long __hyp_per_cpu_offset(unsigned int cpu)
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{
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unsigned long *cpu_base_array;
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unsigned long this_cpu_base;
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unsigned long elf_base;
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if (cpu >= ARRAY_SIZE(kvm_arm_hyp_percpu_base))
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hyp_panic();
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cpu_base_array = (unsigned long *)hyp_symbol_addr(kvm_arm_hyp_percpu_base);
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this_cpu_base = kern_hyp_va(cpu_base_array[cpu]);
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elf_base = (unsigned long)hyp_symbol_addr(__per_cpu_start);
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return this_cpu_base - elf_base;
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}
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