a92c51d39e
- kvm-target-i386-Make-invtsc-migratable-when-user-sets-ts.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-target-i386-Enable-fdp-excptn-only-and-zero-fcs-fds.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-kvm-i386-make-kvm_filter_msr-and-related-definitions.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-kvm-remove-unnecessary-ifdef.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-crypto-Define-macros-for-hash-algorithm-digest-lengt.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cpu-Drop-the-check-of-phys_bits-in-host_cpu_rea.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cpu-Extract-a-common-fucntion-to-setup-value-of.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cpu-Drop-the-variable-smp_cores-and-smp_threads.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cpu-Drop-cores_per_pkg-in-cpu_x86_cpuid.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-topology-Update-the-comment-of-x86_apicid_from_.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-topology-Introduce-helpers-for-various-topology.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cpu-Track-a-X86CPUTopoInfo-directly-in-CPUX86St.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cpu-Hoist-check-of-CPUID_EXT3_TOPOEXT-against-t.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-cpu-Remove-nr_cores-from-struct-CPUState.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cpu-Set-up-CPUID_HT-in-x86_cpu_expand_features-.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cpu-Set-and-track-CPUID_EXT3_CMP_LEG-in-env-fea.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-Remove-unused-parameter-uint32_t-bit-in-feature.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-target-i386-Print-CPUID-subleaf-info-for-unsupported.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-target-i386-sev-Reduce-system-specific-declarations.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-physmem-replace-assertion-with-error.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-redhat-target-i386-add-CPUID-and-MSR-bits-from-Clear.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-qom-reverse-order-of-instance_post_init-calls.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-target-i386-Remove-AccelCPUClass-cpu_class_init-need.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cpu-Consolidate-the-helper-to-get-Host-s-vendor.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-rocker-do-not-pollute-the-namespace.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-linux-headers-Update-to-Linux-v6.14-rc3.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-linux-headers-Update-to-Linux-v6.15-rc3.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-linux-headers-update-from-6.15-kvm-next.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-update-Linux-headers-to-v6.16-rc3.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-update-Linux-headers-to-KVM-tree-master.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-Introduce-tdx-guest-object.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Implement-tdx_kvm_type-for-TDX.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Implement-tdx_kvm_init-to-initialize-TDX-VM.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Get-tdx_capabilities-via-KVM_TDX_CAPABILITI.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Introduce-is_tdx_vm-helper-and-cache-tdx_gu.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-kvm-Introduce-kvm_arch_pre_create_vcpu.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Initialize-TDX-before-creating-TD-vcpus.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Add-property-sept-ve-disable-for-tdx-guest-.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Make-sept_ve_disable-set-by-default.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Wire-CPU-features-up-with-attributes-of-TD-.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Validate-TD-attributes.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Support-user-configurable-mrconfigid-mrowne.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Set-APIC-bus-rate-to-match-with-what-TDX-mo.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Implement-user-specified-tsc-frequency.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-load-TDVF-for-TD-guest.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdvf-Introduce-function-to-parse-TDVF-metadata.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Parse-TDVF-metadata-for-TDX-VM.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Don-t-initialize-pc.rom-for-TDX-VMs.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Track-mem_ptr-for-each-firmware-entry-of-TD.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Track-RAM-entries-for-TDX-VM.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-headers-Add-definitions-from-UEFI-spec-for-volumes-r.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Setup-the-TD-HOB-list.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Add-TDVF-memory-via-KVM_TDX_INIT_MEM_REGION.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Call-KVM_TDX_INIT_VCPU-to-initialize-TDX-vc.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Finalize-TDX-VM.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Enable-user-exit-on-KVM_HC_MAP_GPA_RANGE.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Handle-KVM_SYSTEM_EVENT_TDX_FATAL.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Wire-TDX_REPORT_FATAL_ERROR-with-GuestPanic.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-kvm-Check-KVM_CAP_MAX_VCPUS-at-vm-level.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cpu-introduce-x86_confidential_guest_cpu_instan.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-implement-tdx_cpu_instance_init.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cpu-Introduce-enable_cpuid_0x1f-to-force-exposi.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Force-exposing-CPUID-0x1f.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Set-kvm_readonly_mem_enabled-to-false-for-T.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Disable-SMM-for-TDX-VMs.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Disable-PIC-for-TDX-VMs.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Set-and-check-kernel_irqchip-mode-for-TDX.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Don-t-synchronize-guest-tsc-for-TDs.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Only-configure-MSR_IA32_UCODE_REV-in-kvm_in.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-apic-Skip-kvm_apic_put-for-TDX.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-cpu-Don-t-set-vcpu_dirty-when-guest_state_protected.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cgs-Rename-mask_cpuid_features-to-adjust_cpuid_.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Implement-adjust_cpuid_features-for-TDX.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Add-TDX-fixed1-bits-to-supported-CPUIDs.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Add-supported-CPUID-bits-related-to-TD-Attr.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Add-supported-CPUID-bits-relates-to-XFAM.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Add-XFD-to-supported-bit-of-TDX.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Define-supported-KVM-features-for-TDX.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cgs-Introduce-x86_confidential_guest_check_feat.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Fetch-and-validate-CPUID-of-TD-guest.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Don-t-treat-SYSCALL-as-unavailable.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Make-invtsc-default-on.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Validate-phys_bits-against-host-value.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-docs-Add-TDX-documentation.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Fix-build-on-32-bit-host.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdvf-Fix-build-on-32-bit-host.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cpu-Move-adjustment-of-CPUID_EXT_PDCM-before-fe.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Error-and-exit-when-named-cpu-model-is-requ.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cpu-Rename-enable_cpuid_0x1f-to-force_cpuid_0x1.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Fix-the-typo-of-the-comment-of-struct-TdxGu.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Clarify-the-error-message-of-mrconfigid-mro.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-handle-TDG.VP.VMCALL-GetTdVmCallInfo.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-handle-TDG.VP.VMCALL-GetQuote.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-target-i386-move-max_features-to-class.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-target-i386-nvmm-whpx-add-accel-CPU-class-that-sets-.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-target-i386-allow-reordering-max_x86_cpu_initfn-vs-a.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-target-i386-move-accel_cpu_instance_init-to-.instanc.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-target-i386-merge-host_cpu_instance_init-and-host_cp.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Remove-enumeration-of-GetQuote-in-tdx_handl.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Set-value-of-GetTdVmCallInfo-based-on-capab.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-handle-TDVMCALL_SETUP_EVENT_NOTIFY_INTERRUP.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Fix-the-report-of-gpa-in-QAPI.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Remove-task-watch-only-when-it-s-valid.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Don-t-mask-off-CPUID_EXT_PDCM.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cpu-Move-x86_ext_save_areas-initialization-to-..patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-target-i386-tdx-fix-locking-for-interrupt-injection.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-cpu-Cleanup-host_cpu_max_instance_init.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-i386-tdx-Remove-the-redundant-qemu_mutex_init-tdx-lo.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-redhat-enable-CONFIG_TDX.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-redhat-allow-5-level-paging-for-TDX-VMs.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-memory-Export-a-helper-to-get-intersection-of-a-Memo.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-memory-Change-memory_region_set_ram_discard_manager-.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-memory-Unify-the-definiton-of-ReplayRamPopulate-and-.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-ram-block-attributes-Introduce-RamBlockAttributes-to.patch [RHEL-15710 RHEL-20798 RHEL-49728] - kvm-physmem-Support-coordinated-discarding-of-RAM-with-g.patch [RHEL-15710 RHEL-20798 RHEL-49728] - Resolves: RHEL-15710 ([Intel 9.7 FEAT] TDX: QEMU Support) - Resolves: RHEL-20798 ([Intel 9.6 FEAT] TDX: host: Virt-QEMU: Add safe device pass-through for TD) - Resolves: RHEL-49728 ([Intel 9.7 FEAT] Virt-QEMU: TDX: Allow to configure apic bus clock)
60 lines
2.1 KiB
Diff
60 lines
2.1 KiB
Diff
From bbfdcd93ce27ea64b6f6854dfdb8635f107de76c Mon Sep 17 00:00:00 2001
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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Fri, 18 Jul 2025 18:03:49 +0200
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Subject: [PATCH 088/115] i386/tdx: Error and exit when named cpu model is
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requested
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RH-Author: Paolo Bonzini <pbonzini@redhat.com>
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RH-MergeRequest: 391: TDX support, including attestation and device assignment
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RH-Jira: RHEL-15710 RHEL-20798 RHEL-49728
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RH-Acked-by: Yash Mankad <None>
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RH-Acked-by: Peter Xu <peterx@redhat.com>
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RH-Acked-by: David Hildenbrand <david@redhat.com>
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RH-Commit: [88/115] 7ffb866075f6c8951eee9fbbd6ff3a0362519c4a (bonzini/rhel-qemu-kvm)
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Currently, it gets below error when requesting any named cpu model with
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"-cpu" to boot a TDX VM:
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qemu-system-x86_64: KVM_TDX_INIT_VM failed: Invalid argument
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It misleads people to think it's the bug of KVM or QEMU. It is just that
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current QEMU doesn't support named cpu model for TDX.
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To support named cpu models for TDX guest, there are opens to be
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finalized and needs a mount of additional work.
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For now, explicitly check the case when named cpu model is requested.
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Error report a hint and exit.
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Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
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Link: https://lore.kernel.org/r/20250612133801.2238342-1-xiaoyao.li@intel.com
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit 750560f8a832361cf5cc4cd7bc4f56e1e76206f6)
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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---
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target/i386/kvm/tdx.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c
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index cca2b11622..3099e40baa 100644
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--- a/target/i386/kvm/tdx.c
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+++ b/target/i386/kvm/tdx.c
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@@ -739,8 +739,14 @@ static int tdx_kvm_type(X86ConfidentialGuest *cg)
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static void tdx_cpu_instance_init(X86ConfidentialGuest *cg, CPUState *cpu)
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{
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+ X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu);
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X86CPU *x86cpu = X86_CPU(cpu);
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+ if (xcc->model) {
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+ error_report("Named cpu model is not supported for TDX yet!");
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+ exit(1);
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+ }
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+
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object_property_set_bool(OBJECT(cpu), "pmu", false, &error_abort);
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/* invtsc is fixed1 for TD guest */
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--
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2.50.1
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