nested.c (ffb1e76f4f32d2b8ea4189df0484980370476395) nested.c (e85d3e7b495bb6c0b847a693f5f6d4bd429fae55)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Kernel-based Virtual Machine driver for Linux
4 *
5 * AMD SVM support
6 *
7 * Copyright (C) 2006 Qumranet, Inc.
8 * Copyright 2010 Red Hat, Inc. and/or its affiliates.

--- 565 unchanged lines hidden (view full) ---

574 *
575 * VMLOAD/VMSAVE state would also belong in this category, but KVM
576 * always performs VMLOAD and VMSAVE from the VMCB01.
577 */
578 to_vmcb->save.spec_ctrl = from_vmcb->save.spec_ctrl;
579}
580
581int enter_svm_guest_mode(struct kvm_vcpu *vcpu, u64 vmcb12_gpa,
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Kernel-based Virtual Machine driver for Linux
4 *
5 * AMD SVM support
6 *
7 * Copyright (C) 2006 Qumranet, Inc.
8 * Copyright 2010 Red Hat, Inc. and/or its affiliates.

--- 565 unchanged lines hidden (view full) ---

574 *
575 * VMLOAD/VMSAVE state would also belong in this category, but KVM
576 * always performs VMLOAD and VMSAVE from the VMCB01.
577 */
578 to_vmcb->save.spec_ctrl = from_vmcb->save.spec_ctrl;
579}
580
581int enter_svm_guest_mode(struct kvm_vcpu *vcpu, u64 vmcb12_gpa,
582 struct vmcb *vmcb12)
582 struct vmcb *vmcb12, bool from_vmrun)
583{
584 struct vcpu_svm *svm = to_svm(vcpu);
585 int ret;
586
587 trace_kvm_nested_vmrun(svm->vmcb->save.rip, vmcb12_gpa,
588 vmcb12->save.rip,
589 vmcb12->control.int_ctl,
590 vmcb12->control.event_inj,

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604
605 nested_svm_copy_common_state(svm->vmcb01.ptr, svm->nested.vmcb02.ptr);
606
607 svm_switch_vmcb(svm, &svm->nested.vmcb02);
608 nested_vmcb02_prepare_control(svm);
609 nested_vmcb02_prepare_save(svm, vmcb12);
610
611 ret = nested_svm_load_cr3(&svm->vcpu, vmcb12->save.cr3,
583{
584 struct vcpu_svm *svm = to_svm(vcpu);
585 int ret;
586
587 trace_kvm_nested_vmrun(svm->vmcb->save.rip, vmcb12_gpa,
588 vmcb12->save.rip,
589 vmcb12->control.int_ctl,
590 vmcb12->control.event_inj,

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604
605 nested_svm_copy_common_state(svm->vmcb01.ptr, svm->nested.vmcb02.ptr);
606
607 svm_switch_vmcb(svm, &svm->nested.vmcb02);
608 nested_vmcb02_prepare_control(svm);
609 nested_vmcb02_prepare_save(svm, vmcb12);
610
611 ret = nested_svm_load_cr3(&svm->vcpu, vmcb12->save.cr3,
612 nested_npt_enabled(svm), true);
612 nested_npt_enabled(svm), from_vmrun);
613 if (ret)
614 return ret;
615
616 if (!npt_enabled)
617 vcpu->arch.mmu->inject_page_fault = svm_inject_page_fault_nested;
618
613 if (ret)
614 return ret;
615
616 if (!npt_enabled)
617 vcpu->arch.mmu->inject_page_fault = svm_inject_page_fault_nested;
618
619 if (!from_vmrun)
620 kvm_make_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu);
621
619 svm_set_gif(svm, true);
620
621 return 0;
622}
623
624int nested_svm_vmrun(struct kvm_vcpu *vcpu)
625{
626 struct vcpu_svm *svm = to_svm(vcpu);

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676 svm->vmcb01.ptr->save.rflags = kvm_get_rflags(vcpu);
677 svm->vmcb01.ptr->save.rip = kvm_rip_read(vcpu);
678
679 if (!npt_enabled)
680 svm->vmcb01.ptr->save.cr3 = kvm_read_cr3(vcpu);
681
682 svm->nested.nested_run_pending = 1;
683
622 svm_set_gif(svm, true);
623
624 return 0;
625}
626
627int nested_svm_vmrun(struct kvm_vcpu *vcpu)
628{
629 struct vcpu_svm *svm = to_svm(vcpu);

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679 svm->vmcb01.ptr->save.rflags = kvm_get_rflags(vcpu);
680 svm->vmcb01.ptr->save.rip = kvm_rip_read(vcpu);
681
682 if (!npt_enabled)
683 svm->vmcb01.ptr->save.cr3 = kvm_read_cr3(vcpu);
684
685 svm->nested.nested_run_pending = 1;
686
684 if (enter_svm_guest_mode(vcpu, vmcb12_gpa, vmcb12))
687 if (enter_svm_guest_mode(vcpu, vmcb12_gpa, vmcb12, true))
685 goto out_exit_err;
686
687 if (nested_svm_vmrun_msrpm(svm))
688 goto out;
689
690out_exit_err:
691 svm->nested.nested_run_pending = 0;
692

--- 746 unchanged lines hidden --- 		688 goto out_exit_err;
689
690 if (nested_svm_vmrun_msrpm(svm))
691 goto out;
692
693out_exit_err:
694 svm->nested.nested_run_pending = 0;
695

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