Messages in this thread | | | Date | Tue, 27 Apr 2021 22:04:47 +0000 | From | Sean Christopherson <> | Subject | Re: [PATCH v2 1/2] KVM: X86: Introduce KVM_HC_PAGE_ENC_STATUS hypercall |
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On Wed, Apr 21, 2021, Paolo Bonzini wrote: > @@ -8334,6 +8350,26 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu) > kvm_sched_yield(vcpu, a0); > ret = 0; > break; > + case KVM_HC_PAGE_ENC_STATUS: { > + u64 gpa = a0, npages = a1, enc = a2;
newline
> + if (!guest_pv_has(vcpu, KVM_FEATURE_HC_PAGE_ENC_STATUS) > + || !(vcpu->kvm->arch.hypercall_exit_enabled & (1 << KVM_HC_PAGE_ENC_STATUS)))
|| on previous line, pretty please :-)
> + break; > + > + ret = -KVM_EINVAL; > + if (!PAGE_ALIGNED(gpa) || !npages || > + gpa_to_gfn(gpa) + npages <= gpa_to_gfn(gpa)) > + break; > + > + vcpu->run->exit_reason = KVM_EXIT_HYPERCALL; > + vcpu->run->hypercall.nr = KVM_HC_PAGE_ENC_STATUS; > + vcpu->run->hypercall.args[0] = gpa; > + vcpu->run->hypercall.args[1] = npages; > + vcpu->run->hypercall.args[2] = enc; > + vcpu->run->hypercall.longmode = op_64_bit; > + vcpu->arch.complete_userspace_io = complete_hypercall_exit; > + return 0; > + } > default: > ret = -KVM_ENOSYS; > break;
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