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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by BN8NAM11FT053.mail.protection.outlook.com (10.13.177.209) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6319.20 via Frontend Transport; Tue, 18 Apr 2023 08:25:55 +0000 Received: from telco-siena.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Tue, 18 Apr 2023 03:25:52 -0500 From: Sivaprasad Tummala To: CC: , , Subject: [PATCH v4 2/4] eal: add x86 cpuid support for monitorx Date: Tue, 18 Apr 2023 01:25:27 -0700 Message-ID: <20230418082529.544777-3-sivaprasad.tummala@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230418082529.544777-1-sivaprasad.tummala@amd.com> References: <20230417043136.470110-1-sivaprasad.tummala@amd.com> <20230418082529.544777-1-sivaprasad.tummala@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT053:EE_|SJ1PR12MB6194:EE_ X-MS-Office365-Filtering-Correlation-Id: 7ccb06bb-d723-4053-1973-08db3fe687ce X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Apr 2023 08:25:55.6047 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7ccb06bb-d723-4053-1973-08db3fe687ce X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT053.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ1PR12MB6194 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Add a new CPUID flag to indicate support for monitorx instruction on AMD EPYC processors. Signed-off-by: Sivaprasad Tummala Acked-by: Anatoly Burakov --- lib/eal/x86/include/rte_cpuflags.h | 1 + lib/eal/x86/rte_cpuflags.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/lib/eal/x86/include/rte_cpuflags.h b/lib/eal/x86/include/rte_cpuflags.h index 92e90fb6e0..d3e608533a 100644 --- a/lib/eal/x86/include/rte_cpuflags.h +++ b/lib/eal/x86/include/rte_cpuflags.h @@ -133,6 +133,7 @@ enum rte_cpu_flag_t { RTE_CPUFLAG_AVX512VP2INTERSECT, /**< AVX512 Two Register Intersection */ RTE_CPUFLAG_WAITPKG, /**< UMONITOR/UMWAIT/TPAUSE */ + RTE_CPUFLAG_MONITORX, /**< MONITORX */ /* The last item */ RTE_CPUFLAG_NUMFLAGS, /**< This should always be the last! */ diff --git a/lib/eal/x86/rte_cpuflags.c b/lib/eal/x86/rte_cpuflags.c index d6b518251b..22f3bed412 100644 --- a/lib/eal/x86/rte_cpuflags.c +++ b/lib/eal/x86/rte_cpuflags.c @@ -133,6 +133,7 @@ const struct feature_entry rte_cpu_feature_table[] = { FEAT_DEF(LAHF_SAHF, 0x80000001, 0, RTE_REG_ECX, 0) FEAT_DEF(LZCNT, 0x80000001, 0, RTE_REG_ECX, 4) + FEAT_DEF(MONITORX, 0x80000001, 0, RTE_REG_ECX, 29) FEAT_DEF(SYSCALL, 0x80000001, 0, RTE_REG_EDX, 11) FEAT_DEF(XD, 0x80000001, 0, RTE_REG_EDX, 20) @@ -191,5 +192,7 @@ rte_cpu_get_intrinsics_support(struct rte_cpu_intrinsics *intrinsics) intrinsics->power_pause = 1; if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_RTM)) intrinsics->power_monitor_multi = 1; + } else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_MONITORX)) { + intrinsics->power_monitor = 1; } }