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 3tjSpT2sYFzDwNg for ; Tue, 20 Dec 2016 17:40:33 +1100 (AEDT) Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id uBK6cUpe092363 for ; Tue, 20 Dec 2016 01:40:30 -0500 Received: from e23smtp07.au.ibm.com (e23smtp07.au.ibm.com [202.81.31.140]) by mx0b-001b2d01.pphosted.com with ESMTP id 27eppdv0sx-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Tue, 20 Dec 2016 01:40:30 -0500 Received: from localhost by e23smtp07.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 20 Dec 2016 16:40:27 +1000 Received: from d23relay08.au.ibm.com (d23relay08.au.ibm.com [9.185.71.33]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id 1CBA82BB0055 for ; Tue, 20 Dec 2016 17:40:25 +1100 (EST) Received: from d23av05.au.ibm.com (d23av05.au.ibm.com [9.190.234.119]) by d23relay08.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id uBK6ePDw43909256 for ; Tue, 20 Dec 2016 17:40:25 +1100 Received: from d23av05.au.ibm.com (localhost [127.0.0.1]) by d23av05.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id uBK6eO0a006632 for ; Tue, 20 Dec 2016 17:40:24 +1100 From: Hemant Kumar To: linuxppc-dev@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, Hemant Kumar , Madhavan Srinivasan , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Anton Blanchard , Sukadev Bhattiprolu , Michael Neuling , Stewart Smith , Daniel Axtens , Stephane Eranian Subject: [PATCH v3 1/6] powerpc/powernv: Data structure and macros definitions Date: Tue, 20 Dec 2016 12:09:41 +0530 In-Reply-To: <1482215986-11783-1-git-send-email-hemant@linux.vnet.ibm.com> References: <1482215986-11783-1-git-send-email-hemant@linux.vnet.ibm.com> Message-Id: <1482215986-11783-2-git-send-email-hemant@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Create new header file "imc-pmu.h" to add the data structures and macros needed for IMC pmu support. Cc: Madhavan Srinivasan Cc: Michael Ellerman Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Anton Blanchard Cc: Sukadev Bhattiprolu Cc: Michael Neuling Cc: Stewart Smith Cc: Daniel Axtens Cc: Stephane Eranian Signed-off-by: Hemant Kumar --- arch/powerpc/include/asm/imc-pmu.h | 73 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 arch/powerpc/include/asm/imc-pmu.h diff --git a/arch/powerpc/include/asm/imc-pmu.h b/arch/powerpc/include/asm/imc-pmu.h new file mode 100644 index 0000000..911d837 --- /dev/null +++ b/arch/powerpc/include/asm/imc-pmu.h @@ -0,0 +1,73 @@ +#ifndef PPC_POWERNV_IMC_PMU_DEF_H +#define PPC_POWERNV_IMC_PMU_DEF_H + +/* + * IMC Nest Performance Monitor counter support. + * + * Copyright (C) 2016 Madhavan Srinivasan, IBM Corporation. + * (C) 2016 Hemant K Shaw, IBM Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include + +#define IMC_MAX_CHIPS 32 +#define IMC_MAX_PMUS 32 +#define IMC_MAX_PMU_NAME_LEN 256 + +#define NEST_IMC_ENGINE_START 1 +#define NEST_IMC_ENGINE_STOP 0 +#define NEST_MAX_PAGES 16 + +#define NEST_IMC_PRODUCTION_MODE 1 + +#define IMC_DTB_COMPAT "ibm,opal-in-memory-counters" +#define IMC_DTB_NEST_COMPAT "ibm,imc-counters-chip" + +/* + * Structure to hold per chip specific memory address + * information for nest pmus. Nest Counter data are exported + * in per-chip reserved memory region by the PORE Engine. + */ +struct perchip_nest_info { + u32 chip_id; + u64 pbase; + u64 vbase[NEST_MAX_PAGES]; + u64 size; +}; + +/* + * Place holder for nest pmu events and values. + */ +struct imc_events { + char *ev_name; + char *ev_value; +}; + +/* + * Device tree parser code detects IMC pmu support and + * registers new IMC pmus. This structure will + * hold the pmu functions and attrs for each imc pmu and + * will be referenced at the time of pmu registration. + */ +struct imc_pmu { + struct pmu pmu; + int domain; + const struct attribute_group *attr_groups[4]; +}; + +/* + * Domains for IMC PMUs + */ +#define IMC_DOMAIN_NEST 1 + +#define UNKNOWN_DOMAIN -1 + +#endif /* PPC_POWERNV_IMC_PMU_DEF_H */ -- 2.7.4