From 891766581deaf84919911c6a046592ce0ac49bc6 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Wed, 14 Feb 2024 13:18:27 +0000 Subject: KVM: arm64: Add debugfs file for guest's ID registers Debugging ID register setup can be a complicated affair. Give the kernel hacker a way to dump that state in an easy to parse way. Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20240214131827.2856277-27-maz@kernel.org Signed-off-by: Oliver Upton --- arch/arm64/include/asm/kvm_host.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'arch/arm64/include') diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 3feabde9c926..181fef12e8e8 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -319,6 +319,9 @@ struct kvm_arch { /* PMCR_EL0.N value for the guest */ u8 pmcr_n; + /* Iterator for idreg debugfs */ + u8 idreg_debugfs_iter; + /* Hypercall features firmware registers' descriptor */ struct kvm_smccc_features smccc_feat; struct maple_tree smccc_filter; -- cgit v1.2.3