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authorMarc Zyngier <marc.zyngier@arm.com>2017-06-09 12:49:33 +0100
committerMarc Zyngier <marc.zyngier@arm.com>2017-06-15 09:44:59 +0100
commit59da1cbfd840d69bd7a310249924da3fc202c417 (patch)
treead84f233aee206101e3738beb47beba0fb09300e /include/kvm
parent021234ef3752f853704ef1919e8ff33173aca093 (diff)
downloadlinux-59da1cbfd840d69bd7a310249924da3fc202c417.tar.bz2
KVM: arm64: vgic-v3: Add hook to handle guest GICv3 sysreg accesses at EL2
In order to start handling guest access to GICv3 system registers, let's add a hook that will get called when we trap a system register access. This is gated by a new static key (vgic_v3_cpuif_trap). Tested-by: Alexander Graf <agraf@suse.de> Acked-by: David Daney <david.daney@cavium.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Christoffer Dall <cdall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <cdall@linaro.org>
Diffstat (limited to 'include/kvm')
-rw-r--r--include/kvm/arm_vgic.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 2d923a6b2175..34dba516ef24 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -292,6 +292,7 @@ struct vgic_cpu {
};
extern struct static_key_false vgic_v2_cpuif_trap;
+extern struct static_key_false vgic_v3_cpuif_trap;
int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write);
void kvm_vgic_early_init(struct kvm *kvm);