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Wed, 1 Jul 2020 17:31:03 +0000 Subject: [PATCH v2 1/3] hw/i386: Initialize topo_ids from CpuInstanceProperties From: Babu Moger To: pbonzini@redhat.com, rth@twiddle.net, ehabkost@redhat.com, imammedo@redhat.com Date: Wed, 01 Jul 2020 12:31:01 -0500 Message-ID: <159362466108.36204.3751851750959980962.stgit@naples-babu.amd.com> In-Reply-To: <159362436285.36204.986406297373871949.stgit@naples-babu.amd.com> References: <159362436285.36204.986406297373871949.stgit@naples-babu.amd.com> User-Agent: StGit/unknown-version Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: DM5PR07CA0072.namprd07.prod.outlook.com (2603:10b6:4:ad::37) To MW2PR12MB2556.namprd12.prod.outlook.com (2603:10b6:907:a::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from naples-babu.amd.com (165.204.78.2) by DM5PR07CA0072.namprd07.prod.outlook.com (2603:10b6:4:ad::37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3153.21 via Frontend Transport; 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envelope-from=Babu.Moger@amd.com; helo=NAM04-BN3-obe.outbound.protection.outlook.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/01 13:31:08 X-ACL-Warn: Detected OS = Windows NT kernel [generic] [fuzzy] X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, FORGED_SPF_HELO=1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_PASS=-0.001, SPF_NONE=0.001 autolearn=_AUTOLEARN 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: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This is in preparation to build the apic_id from user provided topology information. Signed-off-by: Babu Moger --- include/hw/i386/topology.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/include/hw/i386/topology.h b/include/hw/i386/topology.h index 07239f95f4..7cb21e9c82 100644 --- a/include/hw/i386/topology.h +++ b/include/hw/i386/topology.h @@ -40,6 +40,7 @@ #include "qemu/bitops.h" +#include "qapi/qapi-types-machine.h" /* APIC IDs can be 32-bit, but beware: APIC IDs > 255 require x2APIC support */ @@ -196,6 +197,24 @@ static inline void x86_topo_ids_from_apicid_epyc(apic_id_t apicid, topo_ids->pkg_id = apicid >> apicid_pkg_offset_epyc(topo_info); } + +/* + * Initialize topo_ids from CpuInstanceProperties + * node_id in CpuInstanceProperties(or in CPU device) is a sequential + * number, but while building the topology we need to separate it for + * each socket(mod nodes_per_pkg). + */ +static inline void x86_init_topo_ids(X86CPUTopoInfo *topo_info, + CpuInstanceProperties props, + X86CPUTopoIDs *topo_ids) +{ + topo_ids->smt_id = props.has_thread_id ? props.thread_id : 0; + topo_ids->core_id = props.has_core_id ? props.core_id : 0; + topo_ids->die_id = props.has_die_id ? props.die_id : 0; + topo_ids->node_id = props.has_node_id ? + props.node_id % MAX(topo_info->nodes_per_pkg, 1) : 0; + topo_ids->pkg_id = props.has_socket_id ? props.socket_id : 0; +} /* * Make APIC ID for the CPU 'cpu_index' *