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Diffstat (limited to 'arch/powerpc/kvm/book3s_hv.c')
-rw-r--r--arch/powerpc/kvm/book3s_hv.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index a308de610cdf..fa6e4fc7d0e4 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -5429,6 +5429,21 @@ static void unpin_vpa_reset(struct kvm *kvm, struct kvmppc_vpa *vpa)
}
/*
+ * Enable a guest to become a secure VM, or test whether
+ * that could be enabled.
+ * Called when the KVM_CAP_PPC_SECURE_GUEST capability is
+ * tested (kvm == NULL) or enabled (kvm != NULL).
+ */
+static int kvmhv_enable_svm(struct kvm *kvm)
+{
+ if (!kvmppc_uvmem_available())
+ return -EINVAL;
+ if (kvm)
+ kvm->arch.svm_enabled = 1;
+ return 0;
+}
+
+/*
* IOCTL handler to turn off secure mode of guest
*
* - Release all device pages
@@ -5548,6 +5563,7 @@ static struct kvmppc_ops kvm_ops_hv = {
.enable_nested = kvmhv_enable_nested,
.load_from_eaddr = kvmhv_load_from_eaddr,
.store_to_eaddr = kvmhv_store_to_eaddr,
+ .enable_svm = kvmhv_enable_svm,
.svm_off = kvmhv_svm_off,
};