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Tsirkin" , Paolo Bonzini , Richard Henderson , Eric Blake , Markus Armbruster , Marcelo Tosatti Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, Babu Moger , Xiaoyao Li , Zhenyu Wang , Zhuocheng Ding , Yongwei Ma , Zhao Liu Subject: [PATCH v8 16/21] i386/cpu: Introduce module-id to X86CPU Date: Wed, 31 Jan 2024 18:13:45 +0800 Message-Id: <20240131101350.109512-17-zhao1.liu@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240131101350.109512-1-zhao1.liu@linux.intel.com> References: <20240131101350.109512-1-zhao1.liu@linux.intel.com> MIME-Version: 1.0 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: none client-ip=192.198.163.7; envelope-from=zhao1.liu@linux.intel.com; helo=mgamail.intel.com X-Spam_score_int: -32 X-Spam_score: -3.3 X-Spam_bar: --- X-Spam_report: (-3.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.292, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1706695452129100001 Content-Type: text/plain; charset="utf-8" From: Zhao Liu Introduce module-id to be consistent with the module-id field in CpuInstanceProperties. Following the legacy smp check rules, also add the module_id validity into x86_cpu_pre_plug(). Tested-by: Yongwei Ma Co-developed-by: Zhuocheng Ding Signed-off-by: Zhuocheng Ding Signed-off-by: Zhao Liu --- Changes since v7: * Introduced module_id instead of cluster_id. * Dropped Michael/Babu's ACKed/Tested tags since the code change. * Re-added Yongwei's Tested tag For his re-testing. Changes since v6: * Updated the comment when check cluster-id. Since there's no v8.2, the cluster-id support should at least start from v9.0. Changes since v5: * Updated the comment when check cluster-id. Since current QEMU is v8.2, the cluster-id support should at least start from v8.3. Changes since v3: * Used the imperative in the commit message. (Babu) --- hw/i386/x86.c | 33 +++++++++++++++++++++++++-------- target/i386/cpu.c | 2 ++ target/i386/cpu.h | 1 + 3 files changed, 28 insertions(+), 8 deletions(-) diff --git a/hw/i386/x86.c b/hw/i386/x86.c index 7e81b049d818..3ad921ecaac7 100644 --- a/hw/i386/x86.c +++ b/hw/i386/x86.c @@ -339,6 +339,14 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev, cpu->die_id =3D 0; } =20 + /* + * module-id was optional in QEMU 9.0 and older, so keep it option= al + * if there's only one module per die. + */ + if (cpu->module_id < 0 && ms->smp.modules =3D=3D 1) { + cpu->module_id =3D 0; + } + if (cpu->socket_id < 0) { error_setg(errp, "CPU socket-id is not set"); return; @@ -355,6 +363,14 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev, cpu->die_id, ms->smp.dies - 1); return; } + if (cpu->module_id < 0) { + error_setg(errp, "CPU module-id is not set"); + return; + } else if (cpu->module_id > ms->smp.modules - 1) { + error_setg(errp, "Invalid CPU module-id: %u must be in range 0= :%u", + cpu->module_id, ms->smp.modules - 1); + return; + } if (cpu->core_id < 0) { error_setg(errp, "CPU core-id is not set"); return; @@ -374,16 +390,9 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev, =20 topo_ids.pkg_id =3D cpu->socket_id; topo_ids.die_id =3D cpu->die_id; + topo_ids.module_id =3D cpu->module_id; topo_ids.core_id =3D cpu->core_id; topo_ids.smt_id =3D cpu->thread_id; - - /* - * TODO: This is the temporary initialization for topo_ids.module_= id to - * avoid "maybe-uninitialized" compilation errors. Will remove when - * X86CPU supports module_id. - */ - topo_ids.module_id =3D 0; - cpu->apic_id =3D x86_apicid_from_topo_ids(&topo_info, &topo_ids); } =20 @@ -428,6 +437,14 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev, } cpu->die_id =3D topo_ids.die_id; =20 + if (cpu->module_id !=3D -1 && cpu->module_id !=3D topo_ids.module_id) { + error_setg(errp, "property module-id: %u doesn't match set apic-id= :" + " 0x%x (module-id: %u)", cpu->module_id, cpu->apic_id, + topo_ids.module_id); + return; + } + cpu->module_id =3D topo_ids.module_id; + if (cpu->core_id !=3D -1 && cpu->core_id !=3D topo_ids.core_id) { error_setg(errp, "property core-id: %u doesn't match set apic-id:" " 0x%x (core-id: %u)", cpu->core_id, cpu->apic_id, diff --git a/target/i386/cpu.c b/target/i386/cpu.c index bc7b3d7c0eb0..6af734dd73c8 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -7919,12 +7919,14 @@ static Property x86_cpu_properties[] =3D { DEFINE_PROP_UINT32("apic-id", X86CPU, apic_id, 0), DEFINE_PROP_INT32("thread-id", X86CPU, thread_id, 0), DEFINE_PROP_INT32("core-id", X86CPU, core_id, 0), + DEFINE_PROP_INT32("module-id", X86CPU, module_id, 0), DEFINE_PROP_INT32("die-id", X86CPU, die_id, 0), DEFINE_PROP_INT32("socket-id", X86CPU, socket_id, 0), #else DEFINE_PROP_UINT32("apic-id", X86CPU, apic_id, UNASSIGNED_APIC_ID), DEFINE_PROP_INT32("thread-id", X86CPU, thread_id, -1), DEFINE_PROP_INT32("core-id", X86CPU, core_id, -1), + DEFINE_PROP_INT32("module-id", X86CPU, module_id, -1), DEFINE_PROP_INT32("die-id", X86CPU, die_id, -1), DEFINE_PROP_INT32("socket-id", X86CPU, socket_id, -1), #endif diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 08d4414692c9..29837ca69859 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -2044,6 +2044,7 @@ struct ArchCPU { int32_t node_id; /* NUMA node this CPU belongs to */ int32_t socket_id; int32_t die_id; + int32_t module_id; int32_t core_id; int32_t thread_id; =20 --=20 2.34.1