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charset="utf-8" As a preparation to expanding Hyper-V CPU features early, move hyperv_limits initialization to x86_cpu_realizefn(). Signed-off-by: Vitaly Kuznetsov --- target/i386/cpu.c | 5 +++++ target/i386/cpu.h | 1 + target/i386/kvm.c | 13 ++++++++++++- 3 files changed, 18 insertions(+), 1 deletion(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 9e182929d29d..83aca942d87c 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -6536,6 +6536,11 @@ static void x86_cpu_hyperv_realize(X86CPU *cpu) /* Hypervisor system identity */ cpu->hyperv_version_id[0] =3D 0x00001bbc; cpu->hyperv_version_id[1] =3D 0x00060001; + + /* Hypervisor implementation limits */ + cpu->hyperv_limits[0] =3D 64; + cpu->hyperv_limits[1] =3D 0; + cpu->hyperv_limits[2] =3D 0; } =20 static void x86_cpu_realizefn(DeviceState *dev, Error **errp) diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 913927356c55..c95f20f59b15 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -1663,6 +1663,7 @@ struct X86CPU { uint32_t hyperv_vendor_id[3]; uint32_t hyperv_interface_id[4]; uint32_t hyperv_version_id[4]; + uint32_t hyperv_limits[3]; =20 bool check_cpuid; bool enforce_cpuid; diff --git a/target/i386/kvm.c b/target/i386/kvm.c index 58a2528c6c41..446ab2ef1793 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -1233,6 +1233,15 @@ static int hyperv_handle_properties(CPUState *cs, env->features[FEAT_HYPERV_EBX] =3D c->ebx; env->features[FEAT_HYPERV_EDX] =3D c->edx; } + + c =3D cpuid_find_entry(cpuid, HV_CPUID_IMPLEMENT_LIMITS, 0); + if (c) { + cpu->hv_max_vps =3D c->eax; + cpu->hyperv_limits[0] =3D c->ebx; + cpu->hyperv_limits[1] =3D c->ecx; + cpu->hyperv_limits[2] =3D c->edx; + } + c =3D cpuid_find_entry(cpuid, HV_CPUID_ENLIGHTMENT_INFO, 0); if (c) { env->features[FEAT_HV_RECOMM_EAX] =3D c->eax; @@ -1335,7 +1344,9 @@ static int hyperv_handle_properties(CPUState *cs, c =3D &cpuid_ent[cpuid_i++]; c->function =3D HV_CPUID_IMPLEMENT_LIMITS; c->eax =3D cpu->hv_max_vps; - c->ebx =3D 0x40; + c->ebx =3D cpu->hyperv_limits[0]; + c->ecx =3D cpu->hyperv_limits[1]; + c->edx =3D cpu->hyperv_limits[2]; =20 if (hyperv_feat_enabled(cpu, HYPERV_FEAT_EVMCS)) { __u32 function; --=20 2.26.2