i386: extended the cpuid_level when Intel PT is enabled
Intel Processor Trace required CPUID[0x14] but the cpuid_level have no change when create a kvm guest with e.g. "-cpu qemu64,+intel-pt". Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Luwei Kang <luwei.kang@intel.com> Message-Id: <1548805979-12321-1-git-send-email-luwei.kang@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -136,6 +136,7 @@ GlobalProperty pc_compat_3_1[] = {
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{ "Icelake-Client" "-" TYPE_X86_CPU, "mpx", "on" },
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{ "Icelake-Client" "-" TYPE_X86_CPU, "mpx", "on" },
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{ "Icelake-Server" "-" TYPE_X86_CPU, "mpx", "on" },
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{ "Icelake-Server" "-" TYPE_X86_CPU, "mpx", "on" },
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{ "Cascadelake-Server" "-" TYPE_X86_CPU, "stepping", "5" },
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{ "Cascadelake-Server" "-" TYPE_X86_CPU, "stepping", "5" },
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{ TYPE_X86_CPU, "x-intel-pt-auto-level", "off" },
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};
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};
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const size_t pc_compat_3_1_len = G_N_ELEMENTS(pc_compat_3_1);
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const size_t pc_compat_3_1_len = G_N_ELEMENTS(pc_compat_3_1);
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@ -5031,6 +5031,13 @@ static void x86_cpu_expand_features(X86CPU *cpu, Error **errp)
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x86_cpu_adjust_feat_level(cpu, FEAT_C000_0001_EDX);
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x86_cpu_adjust_feat_level(cpu, FEAT_C000_0001_EDX);
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x86_cpu_adjust_feat_level(cpu, FEAT_SVM);
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x86_cpu_adjust_feat_level(cpu, FEAT_SVM);
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x86_cpu_adjust_feat_level(cpu, FEAT_XSAVE);
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x86_cpu_adjust_feat_level(cpu, FEAT_XSAVE);
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/* Intel Processor Trace requires CPUID[0x14] */
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if ((env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_INTEL_PT) &&
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kvm_enabled() && cpu->intel_pt_auto_level) {
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x86_cpu_adjust_level(cpu, &cpu->env.cpuid_min_level, 0x14);
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}
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/* SVM requires CPUID[0x8000000A] */
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/* SVM requires CPUID[0x8000000A] */
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if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) {
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if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) {
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x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000000A);
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x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000000A);
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@ -5824,6 +5831,8 @@ static Property x86_cpu_properties[] = {
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DEFINE_PROP_INT32("x-hv-max-vps", X86CPU, hv_max_vps, -1),
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DEFINE_PROP_INT32("x-hv-max-vps", X86CPU, hv_max_vps, -1),
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DEFINE_PROP_BOOL("x-hv-synic-kvm-only", X86CPU, hyperv_synic_kvm_only,
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DEFINE_PROP_BOOL("x-hv-synic-kvm-only", X86CPU, hyperv_synic_kvm_only,
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false),
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false),
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DEFINE_PROP_BOOL("x-intel-pt-auto-level", X86CPU, intel_pt_auto_level,
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true),
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DEFINE_PROP_END_OF_LIST()
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DEFINE_PROP_END_OF_LIST()
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};
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};
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@ -1454,6 +1454,9 @@ struct X86CPU {
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/* Enable auto level-increase for all CPUID leaves */
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/* Enable auto level-increase for all CPUID leaves */
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bool full_cpuid_auto_level;
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bool full_cpuid_auto_level;
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/* Enable auto level-increase for Intel Processor Trace leave */
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bool intel_pt_auto_level;
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/* if true fill the top bits of the MTRR_PHYSMASKn variable range */
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/* if true fill the top bits of the MTRR_PHYSMASKn variable range */
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bool fill_mtrr_mask;
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bool fill_mtrr_mask;
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