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bh=NJ4Ntu3YLVjdBWcvKOKsbblsL+L9UXNiFuR7DRuU/ds=; b=KWuFml3TFSRHosMDiyzq8u/6jEQKUWV9ohAz5SOxwnd62zrqK1Q9A9+81RCx7yqT0XoMyl tFHNEHWv6JW12w9m4Zh+LwKzrnQMhG2QDIoiTnm+A74SXN9vXoM8YJ38Klf2dNPXRuZzh/ 1/IcqMeXfFoEnCLcr8KsQdJWAFRBijg= X-MC-Unique: LzDyBxF8NFafRuKhsktTGg-1 From: Eduardo Habkost To: Peter Maydell , qemu-devel@nongnu.org Subject: [PULL 10/17] i386: move hyperv_limits initialization to x86_cpu_realizefn() Date: Thu, 17 Dec 2020 13:46:13 -0500 Message-Id: <20201217184620.3945917-11-ehabkost@redhat.com> In-Reply-To: <20201217184620.3945917-1-ehabkost@redhat.com> References: <20201217184620.3945917-1-ehabkost@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=ehabkost@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=63.128.21.124; envelope-from=ehabkost@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini , Vitaly Kuznetsov , Eduardo Habkost , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" From: Vitaly Kuznetsov As a preparation to expanding Hyper-V CPU features early, move hyperv_limits initialization to x86_cpu_realizefn(). Signed-off-by: Vitaly Kuznetsov Message-Id: <20201119103221.1665171-5-vkuznets@redhat.com> Signed-off-by: Eduardo Habkost --- target/i386/cpu.h | 1 + target/i386/cpu.c | 5 +++++ target/i386/kvm/kvm.c | 13 ++++++++++++- 3 files changed, 18 insertions(+), 1 deletion(-) diff --git a/target/i386/cpu.h b/target/i386/cpu.h index adce57dc78..ee03263800 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -1667,6 +1667,7 @@ 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/cpu.c b/target/i386/cpu.c index 6c5b0fef79..45b0588af3 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -6571,6 +6571,11 @@ 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/kvm/kvm.c b/target/i386/kvm/kvm.c index db2069406d..6dc1ee052d 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -1236,6 +1236,15 @@ 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; @@ -1338,7 +1347,9 @@ 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 2.28.0