[RFC PATCH v1 08/30] KVM: arm64: add hypervisor state accessors

[Fuad Tabba]

Part of the state in vcpu_arch is hypervisor-specific. To isolate
that state in future patches, start by creating accessors for
this state rather than by dereferencing vcpu.

Signed-off-by: Fuad Tabba <tabba at google.com>
---
 arch/arm64/include/asm/kvm_host.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 097e5f533af9..280ee23dfc5a 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -373,6 +373,13 @@ struct kvm_vcpu_arch {
 	} steal;
 };
 
+/* Accessors for vcpu parameters related to the hypervistor state. */
+#define vcpu_hcr_el2(vcpu) (vcpu)->arch.hcr_el2
+#define vcpu_mdcr_el2(vcpu) (vcpu)->arch.mdcr_el2
+#define vcpu_vsesr_el2(vcpu) (vcpu)->arch.vsesr_el2
+#define vcpu_fault(vcpu) (vcpu)->arch.fault
+#define vcpu_flags(vcpu) (vcpu)->arch.flags
+
 /* Pointer to the vcpu's SVE FFR for sve_{save,load}_state() */
 #define vcpu_sve_pffr(vcpu) (kern_hyp_va((vcpu)->arch.sve_state) +	\
 			     sve_ffr_offset((vcpu)->arch.sve_max_vl))
-- 
2.33.0.685.g46640cef36-goog