From: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
To: mpe@ellerman.id.au
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
Hemant Kumar <hemant@linux.vnet.ibm.com>,
"Gautham R . Shenoy" <ego@linux.vnet.ibm.com>,
Balbir Singh <bsingharora@gmail.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Anton Blanchard <anton@samba.org>,
Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>,
Michael Neuling <mikey@neuling.org>,
Stewart Smith <stewart@linux.vnet.ibm.com>,
Daniel Axtens <dja@axtens.net>,
Stephane Eranian <eranian@google.com>,
Anju T Sudhakar <anju@linux.vnet.ibm.com>,
Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Subject: [PATCH v5 01/13] powerpc/powernv: Data structure and macros definitions
Date: Thu, 16 Mar 2017 13:04:55 +0530 [thread overview]
Message-ID: <1489649707-8021-2-git-send-email-maddy@linux.vnet.ibm.com> (raw)
In-Reply-To: <1489649707-8021-1-git-send-email-maddy@linux.vnet.ibm.com>
From: Hemant Kumar <hemant@linux.vnet.ibm.com>
Create new header file "imc-pmu.h" to add the data structures
and macros needed for IMC pmu support.
Cc: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Anton Blanchard <anton@samba.org>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Cc: Michael Neuling <mikey@neuling.org>
Cc: Stewart Smith <stewart@linux.vnet.ibm.com>
Cc: Daniel Axtens <dja@axtens.net>
Cc: Stephane Eranian <eranian@google.com>
Cc: Anju T Sudhakar <anju@linux.vnet.ibm.com>
Signed-off-by: Hemant Kumar <hemant@linux.vnet.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
---
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 000000000000..323232248cc4
--- /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 <linux/perf_event.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/io.h>
+#include <asm/opal.h>
+
+#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-nest"
+
+/*
+ * 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
next prev parent reply other threads:[~2017-03-16 7:36 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-16 7:34 [PATCH v5 00/13] IMC Instrumentation Support Madhavan Srinivasan
2017-03-16 7:34 ` Madhavan Srinivasan [this message]
2017-03-16 7:34 ` [PATCH v5 02/13] powerpc/powernv: Autoload IMC device driver module Madhavan Srinivasan
2017-03-16 7:34 ` [PATCH v5 03/13] powerpc/powernv: Detect supported IMC units and its events Madhavan Srinivasan
2017-03-16 7:34 ` [PATCH v5 04/13] powerpc/perf: Add event attribute and group to IMC pmus Madhavan Srinivasan
2017-03-16 7:34 ` [PATCH v5 05/13] powerpc/perf: Generic imc pmu event functions Madhavan Srinivasan
2017-03-16 7:35 ` [PATCH v5 06/13] powerpc/perf: IMC pmu cpumask and cpu hotplug support Madhavan Srinivasan
2017-03-23 11:52 ` Gautham R Shenoy
2017-03-27 10:34 ` Anju T Sudhakar
2017-03-16 7:35 ` [PATCH v5 07/13] powerpc/powernv: Core IMC events detection Madhavan Srinivasan
2017-03-16 7:35 ` [PATCH v5 08/13] powerpc/perf: PMU functions for Core IMC and hotplugging Madhavan Srinivasan
2017-03-23 13:09 ` Gautham R Shenoy
2017-03-28 4:41 ` Madhavan Srinivasan
2017-03-16 7:35 ` [PATCH v5 09/13] powerpc/powernv: Thread IMC events detection Madhavan Srinivasan
2017-03-16 7:35 ` [PATCH v5 10/13] powerpc/perf: Thread IMC PMU functions Madhavan Srinivasan
2017-03-16 7:35 ` [PATCH 11/13] powerpc/powernv: Add device shutdown function for Core IMC Madhavan Srinivasan
2017-03-16 7:35 ` [PATCH 12/13] powerpc/perf: Thread imc cpuhotplug support Madhavan Srinivasan
2017-03-23 17:15 ` Gautham R Shenoy
2017-03-27 10:35 ` Anju T Sudhakar
2017-03-16 7:35 ` [PATCH 13/13] powerpc/perf: Enable/disable core engine during cpuhotplug Madhavan Srinivasan
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