[PATCH v4 10/15] KVM: SEV: introduce to_kvm_sev_info

From: Paolo Bonzini
Date: Mon Mar 18 2024 - 19:37:00 EST


Suggested-by: Sean Christopherson <seanjc@xxxxxxxxxx>
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
arch/x86/kvm/svm/sev.c | 4 ++--
arch/x86/kvm/svm/svm.h | 5 +++++
2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 800e836a69fb..704cd42b4f1b 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -94,7 +94,7 @@ static int sev_flush_asids(unsigned int min_asid, unsigned int max_asid)

static inline bool is_mirroring_enc_context(struct kvm *kvm)
{
- return !!to_kvm_svm(kvm)->sev_info.enc_context_owner;
+ return !!to_kvm_sev_info(kvm)->enc_context_owner;
}

static bool sev_vcpu_has_debug_swap(struct vcpu_svm *svm)
@@ -679,7 +679,7 @@ static int __sev_launch_update_vmsa(struct kvm *kvm, struct kvm_vcpu *vcpu,
clflush_cache_range(svm->sev_es.vmsa, PAGE_SIZE);

vmsa.reserved = 0;
- vmsa.handle = to_kvm_svm(kvm)->sev_info.handle;
+ vmsa.handle = to_kvm_sev_info(kvm)->handle;
vmsa.address = __sme_pa(svm->sev_es.vmsa);
vmsa.len = PAGE_SIZE;
ret = sev_issue_cmd(kvm, SEV_CMD_LAUNCH_UPDATE_VMSA, &vmsa, error);
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index b7707514d042..6313679d464b 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -319,6 +319,11 @@ static __always_inline struct kvm_svm *to_kvm_svm(struct kvm *kvm)
return container_of(kvm, struct kvm_svm, kvm);
}

+static __always_inline struct kvm_sev_info *to_kvm_sev_info(struct kvm *kvm)
+{
+ return &to_kvm_svm(kvm)->sev_info;
+}
+
static __always_inline bool sev_guest(struct kvm *kvm)
{
#ifdef CONFIG_KVM_AMD_SEV
--
2.43.0