From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3wyX9c00DvzDr4j for ; Thu, 29 Jun 2017 04:57:55 +1000 (AEST) Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v5SIsBvB055922 for ; Wed, 28 Jun 2017 14:57:53 -0400 Received: from e23smtp08.au.ibm.com (e23smtp08.au.ibm.com [202.81.31.141]) by mx0a-001b2d01.pphosted.com with ESMTP id 2bcge0cubc-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Wed, 28 Jun 2017 14:57:53 -0400 Received: from localhost by e23smtp08.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 29 Jun 2017 04:57:50 +1000 Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay10.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v5SIvmTY1442292 for ; Thu, 29 Jun 2017 04:57:48 +1000 Received: from d23av02.au.ibm.com (localhost [127.0.0.1]) by d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v5SIvd26029743 for ; Thu, 29 Jun 2017 04:57:39 +1000 From: Anju T Sudhakar To: mpe@ellerman.id.au Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, ego@linux.vnet.ibm.com, bsingharora@gmail.com, anton@samba.org, sukadev@linux.vnet.ibm.com, mikey@neuling.org, stewart@linux.vnet.ibm.com, dja@axtens.net, eranian@google.com, hemant@linux.vnet.ibm.com, maddy@linux.vnet.ibm.com, anju@linux.vnet.ibm.com Subject: [PATCH v11 08/10] powerpc/powernv: Thread IMC events detection Date: Thu, 29 Jun 2017 00:27:11 +0530 In-Reply-To: <1498676232-23841-1-git-send-email-anju@linux.vnet.ibm.com> References: <1498676232-23841-1-git-send-email-anju@linux.vnet.ibm.com> Message-Id: <1498676232-23841-7-git-send-email-anju@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Code to add support for detection of thread IMC events. It adds a new domain IMC_DOMAIN_THREAD and it is determined with the help of the "type" property in the imc device-tree. Signed-off-by: Anju T Sudhakar Signed-off-by: Hemant Kumar Signed-off-by: Madhavan Srinivasan --- arch/powerpc/include/asm/imc-pmu.h | 2 ++ arch/powerpc/platforms/powernv/opal-imc.c | 4 +++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/imc-pmu.h b/arch/powerpc/include/asm/imc-pmu.h index 74cbb47..a18ecb2 100644 --- a/arch/powerpc/include/asm/imc-pmu.h +++ b/arch/powerpc/include/asm/imc-pmu.h @@ -98,6 +98,7 @@ struct imc_pmu { /* In-Memory Collection Counters Type */ enum { + IMC_COUNTER_PER_THREAD = 0x1, IMC_COUNTER_PER_CORE = 0x4, IMC_COUNTER_PER_CHIP = 0x10, }; @@ -107,6 +108,7 @@ enum { */ #define IMC_DOMAIN_NEST 1 #define IMC_DOMAIN_CORE 2 +#define IMC_DOMAIN_THREAD 3 extern struct imc_pmu *per_nest_pmu_arr[IMC_MAX_PMUS]; extern struct imc_pmu *core_imc_pmu; diff --git a/arch/powerpc/platforms/powernv/opal-imc.c b/arch/powerpc/platforms/powernv/opal-imc.c index 62add4f..6d24dfb 100644 --- a/arch/powerpc/platforms/powernv/opal-imc.c +++ b/arch/powerpc/platforms/powernv/opal-imc.c @@ -380,7 +380,7 @@ static int imc_get_mem_addr_nest(struct device_node *node, /* * imc_pmu_create : Takes the parent device which is the pmu unit, pmu_index * and domain as the inputs. - * Allocates memory for the pmu, sets up its domain (NEST/CORE), and + * Allocates memory for the pmu, sets up its domain (NEST/CORE/THREAD), and * calls imc_events_setup() to allocate memory for the events supported * by this pmu. Assigns a name for the pmu. * @@ -516,6 +516,8 @@ static int opal_imc_counters_probe(struct platform_device *pdev) domain = IMC_DOMAIN_NEST; else if (type == IMC_COUNTER_PER_CORE) domain = IMC_DOMAIN_CORE; + else if (type == IMC_COUNTER_PER_THREAD) + domain = IMC_DOMAIN_THREAD; else continue; if (!imc_pmu_create(imc_dev, pmu_count, domain)) -- 2.7.4