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GET /api/1.2/patches/833361/?format=api
{ "id": 833361, "url": "http://patchwork.ozlabs.org/api/1.2/patches/833361/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ubuntu-kernel/patch/20171102140501.87671-2-gwalbon@linux.vnet.ibm.com/", "project": { "id": 15, "url": "http://patchwork.ozlabs.org/api/1.2/projects/15/?format=api", "name": "Ubuntu Kernel", "link_name": "ubuntu-kernel", "list_id": "kernel-team.lists.ubuntu.com", "list_email": "kernel-team@lists.ubuntu.com", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20171102140501.87671-2-gwalbon@linux.vnet.ibm.com>", "list_archive_url": null, "date": "2017-11-02T14:04:50", "name": "[Artful,01/12] powerpc/powernv: Add IMC OPAL APIs", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "0f2568c36cbb9da5bd4bce28e396dd824b7a0cd0", "submitter": { "id": 71662, "url": "http://patchwork.ozlabs.org/api/1.2/people/71662/?format=api", "name": "Gustavo Walbon", "email": "gwalbon@linux.vnet.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/ubuntu-kernel/patch/20171102140501.87671-2-gwalbon@linux.vnet.ibm.com/mbox/", "series": [ { "id": 11509, "url": "http://patchwork.ozlabs.org/api/1.2/series/11509/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ubuntu-kernel/list/?series=11509", "date": "2017-11-02T14:04:50", "name": "Backport for Power9 Nest PMU Instrumentation", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/11509/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/833361/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/833361/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<kernel-team-bounces@lists.ubuntu.com>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.ubuntu.com\n\t(client-ip=91.189.94.19; helo=huckleberry.canonical.com;\n\tenvelope-from=kernel-team-bounces@lists.ubuntu.com;\n\treceiver=<UNKNOWN>)", "Received": [ "from huckleberry.canonical.com (huckleberry.canonical.com\n\t[91.189.94.19])\n\tby ozlabs.org (Postfix) with ESMTP id 3ySRgR6GDSz9t34;\n\tFri, 3 Nov 2017 01:05:23 +1100 (AEDT)", "from localhost ([127.0.0.1] helo=huckleberry.canonical.com)\n\tby huckleberry.canonical.com with esmtp (Exim 4.86_2)\n\t(envelope-from <kernel-team-bounces@lists.ubuntu.com>)\n\tid 1eAG7T-0002B9-Un; Thu, 02 Nov 2017 14:05:19 +0000", "from mx0b-001b2d01.pphosted.com ([148.163.158.5]\n\thelo=mx0a-001b2d01.pphosted.com)\n\tby huckleberry.canonical.com with esmtps\n\t(TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2)\n\t(envelope-from <gwalbon@linux.vnet.ibm.com>) id 1eAG7Q-00029K-Rc\n\tfor kernel-team@lists.ubuntu.com; Thu, 02 Nov 2017 14:05:17 +0000", "from pps.filterd (m0098414.ppops.net [127.0.0.1])\n\tby mx0b-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id\n\tvA2E4f2C114664\n\tfor <kernel-team@lists.ubuntu.com>; Thu, 2 Nov 2017 10:05:15 -0400", "from e14.ny.us.ibm.com (e14.ny.us.ibm.com [129.33.205.204])\n\tby mx0b-001b2d01.pphosted.com with ESMTP id 2e03dc5taj-1\n\t(version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT)\n\tfor <kernel-team@lists.ubuntu.com>; Thu, 02 Nov 2017 10:05:12 -0400", "from localhost\n\tby e14.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use\n\tOnly! Violators will be prosecuted\n\tfor <kernel-team@lists.ubuntu.com> from <gwalbon@linux.vnet.ibm.com>; \n\tThu, 2 Nov 2017 10:05:08 -0400", "from b01cxnp23034.gho.pok.ibm.com (9.57.198.29)\n\tby e14.ny.us.ibm.com (146.89.104.201) with IBM ESMTP SMTP Gateway:\n\tAuthorized Use Only! Violators will be prosecuted; \n\tThu, 2 Nov 2017 10:05:06 -0400", "from b01ledav005.gho.pok.ibm.com (b01ledav005.gho.pok.ibm.com\n\t[9.57.199.110])\n\tby b01cxnp23034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP\n\tid vA2E55NK41484380; Thu, 2 Nov 2017 14:05:05 GMT", "from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id 64BBBAE043;\n\tThu, 2 Nov 2017 10:05:52 -0400 (EDT)", "from localhost (unknown [9.85.138.60])\n\tby b01ledav005.gho.pok.ibm.com (Postfix) with ESMTP id 35C51AE04B;\n\tThu, 2 Nov 2017 10:05:51 -0400 (EDT)" ], "From": "Gustavo Walbon <gwalbon@linux.vnet.ibm.com>", "To": "kernel-team@lists.ubuntu.com", "Subject": "[Artful][PATCH 01/12] powerpc/powernv: Add IMC OPAL APIs", "Date": "Thu, 2 Nov 2017 12:04:50 -0200", "X-Mailer": "git-send-email 2.13.3", "In-Reply-To": "<20171102140501.87671-1-gwalbon@linux.vnet.ibm.com>", "References": "<20171102140501.87671-1-gwalbon@linux.vnet.ibm.com>", "X-TM-AS-GCONF": "00", "x-cbid": "17110214-0052-0000-0000-0000027BB9FE", "X-IBM-SpamModules-Scores": "", "X-IBM-SpamModules-Versions": "BY=3.00007997; HX=3.00000241; KW=3.00000007;\n\tPH=3.00000004; SC=3.00000239; SDB=6.00940090; UDB=6.00474019;\n\tIPR=6.00720346; \n\tBA=6.00005666; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009;\n\tZB=6.00000000; \n\tZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00017836;\n\tXFM=3.00000015; UTC=2017-11-02 14:05:07", "X-IBM-AV-DETECTION": "SAVI=unused REMOTE=unused XFE=unused", "x-cbparentid": "17110214-0053-0000-0000-00005281B4F1", "Message-Id": "<20171102140501.87671-2-gwalbon@linux.vnet.ibm.com>", "X-Proofpoint-Virus-Version": "vendor=fsecure engine=2.50.10432:, ,\n\tdefinitions=2017-11-02_05:, , signatures=0", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n\tpriorityscore=1501\n\tmalwarescore=0 suspectscore=3 phishscore=0 bulkscore=0 spamscore=0\n\tclxscore=1011 lowpriorityscore=0 impostorscore=0 adultscore=0\n\tclassifier=spam adjust=0 reason=mlx scancount=1\n\tengine=8.0.1-1707230000\n\tdefinitions=main-1711020178", "X-BeenThere": "kernel-team@lists.ubuntu.com", "X-Mailman-Version": "2.1.20", "Precedence": "list", "List-Id": "Kernel team discussions <kernel-team.lists.ubuntu.com>", "List-Unsubscribe": "<https://lists.ubuntu.com/mailman/options/kernel-team>,\n\t<mailto:kernel-team-request@lists.ubuntu.com?subject=unsubscribe>", "List-Archive": "<https://lists.ubuntu.com/archives/kernel-team>", "List-Post": "<mailto:kernel-team@lists.ubuntu.com>", "List-Help": "<mailto:kernel-team-request@lists.ubuntu.com?subject=help>", "List-Subscribe": "<https://lists.ubuntu.com/mailman/listinfo/kernel-team>,\n\t<mailto:kernel-team-request@lists.ubuntu.com?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Errors-To": "kernel-team-bounces@lists.ubuntu.com", "Sender": "\"kernel-team\" <kernel-team-bounces@lists.ubuntu.com>" }, "content": "From: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>\n\nBugLink: https://bugs.launchpad.net/bugs/1481347\n\nIn-Memory Collection (IMC) counters are performance monitoring\ninfrastructure. These counters need special sequence of SCOMs to\ninit/start/stop which is handled by OPAL. And OPAL provides three APIs\nto init and control these IMC engines.\n\nOPAL API documentation:\n https://github.com/open-power/skiboot/blob/master/doc/opal-api/opal-imc-counters.rst\n\nPatch updates the kernel side powernv platform code to support the new\nOPAL APIs\n\nSigned-off-by: Hemant Kumar <hemant@linux.vnet.ibm.com>\nSigned-off-by: Anju T Sudhakar <anju@linux.vnet.ibm.com>\nSigned-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>\nSigned-off-by: Michael Ellerman <mpe@ellerman.id.au>\n(cherry-picked from commit 28a5db0061014c8afbbb98560cf420c29bc4d8e1)\nSigned-off-by: Gustavo Walbon <gwalbon@linux.vnet.ibm.com>\n---\n arch/powerpc/include/asm/opal-api.h | 12 +++++++++++-\n arch/powerpc/include/asm/opal.h | 5 +++++\n arch/powerpc/platforms/powernv/opal-wrappers.S | 3 +++\n 3 files changed, 19 insertions(+), 1 deletion(-)", "diff": "diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h\nindex 3130a73652c7..7df005965634 100644\n--- a/arch/powerpc/include/asm/opal-api.h\n+++ b/arch/powerpc/include/asm/opal-api.h\n@@ -190,7 +190,10 @@\n #define OPAL_NPU_INIT_CONTEXT\t\t\t146\n #define OPAL_NPU_DESTROY_CONTEXT\t\t147\n #define OPAL_NPU_MAP_LPAR\t\t\t148\n-#define OPAL_LAST\t\t\t\t148\n+#define OPAL_IMC_COUNTERS_INIT\t\t\t149\n+#define OPAL_IMC_COUNTERS_START\t\t\t150\n+#define OPAL_IMC_COUNTERS_STOP\t\t\t151\n+#define OPAL_LAST\t\t\t\t151\n \n /* Device tree flags */\n \n@@ -1084,6 +1087,13 @@ enum {\n \tXIVE_DUMP_EMU_STATE\t= 5,\n };\n \n+/* \"type\" argument options for OPAL_IMC_COUNTERS_* calls */\n+enum {\n+\tOPAL_IMC_COUNTERS_NEST = 1,\n+\tOPAL_IMC_COUNTERS_CORE = 2,\n+};\n+\n+\n #endif /* __ASSEMBLY__ */\n \n #endif /* __OPAL_API_H */\ndiff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h\nindex 588fb1c23af9..6b8513c3ad40 100644\n--- a/arch/powerpc/include/asm/opal.h\n+++ b/arch/powerpc/include/asm/opal.h\n@@ -268,6 +268,11 @@ int64_t opal_xive_free_irq(uint32_t girq);\n int64_t opal_xive_sync(uint32_t type, uint32_t id);\n int64_t opal_xive_dump(uint32_t type, uint32_t id);\n \n+int64_t opal_imc_counters_init(uint32_t type, uint64_t address,\n+\t\t\t\t\t\t\tuint64_t cpu_pir);\n+int64_t opal_imc_counters_start(uint32_t type, uint64_t cpu_pir);\n+int64_t opal_imc_counters_stop(uint32_t type, uint64_t cpu_pir);\n+\n /* Internal functions */\n extern int early_init_dt_scan_opal(unsigned long node, const char *uname,\n \t\t\t\t int depth, void *data);\ndiff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S\nindex 4ca6c26a56d5..b77f52ee8263 100644\n--- a/arch/powerpc/platforms/powernv/opal-wrappers.S\n+++ b/arch/powerpc/platforms/powernv/opal-wrappers.S\n@@ -310,3 +310,6 @@ OPAL_CALL(opal_xive_dump,\t\t\tOPAL_XIVE_DUMP);\n OPAL_CALL(opal_npu_init_context,\t\tOPAL_NPU_INIT_CONTEXT);\n OPAL_CALL(opal_npu_destroy_context,\t\tOPAL_NPU_DESTROY_CONTEXT);\n OPAL_CALL(opal_npu_map_lpar,\t\t\tOPAL_NPU_MAP_LPAR);\n+OPAL_CALL(opal_imc_counters_init,\t\tOPAL_IMC_COUNTERS_INIT);\n+OPAL_CALL(opal_imc_counters_start,\t\tOPAL_IMC_COUNTERS_START);\n+OPAL_CALL(opal_imc_counters_stop,\t\tOPAL_IMC_COUNTERS_STOP);\n", "prefixes": [ "Artful", "01/12" ] }