From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 441E0C433E0 for ; Wed, 5 Aug 2020 20:25:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 23F6E20678 for ; Wed, 5 Aug 2020 20:25:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726823AbgHEUZR (ORCPT ); Wed, 5 Aug 2020 16:25:17 -0400 Received: from mga04.intel.com ([192.55.52.120]:48318 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725921AbgHEUZK (ORCPT ); Wed, 5 Aug 2020 16:25:10 -0400 IronPort-SDR: VrOGxXHQ+LSD9H5cM9SUGVTw3z3+N+A8aqAEOrFA+uMCt9pHuVW33h5wVzmEmkDtvTtXorONn9 906eXlZs/37w== X-IronPort-AV: E=McAfee;i="6000,8403,9704"; a="150111859" X-IronPort-AV: E=Sophos;i="5.75,438,1589266800"; d="scan'208";a="150111859" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Aug 2020 13:25:10 -0700 IronPort-SDR: HbRHoTGFJSxS1MIl+mccRaoFfcuWW/ooCQc9+11yaMXRaUJZn+GrmwxZusWdaZA2qdUwhu4ejm st/UzK+2+Q0A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,438,1589266800"; d="scan'208";a="332958432" Received: from otc-lr-04.jf.intel.com ([10.54.39.143]) by orsmga007.jf.intel.com with ESMTP; 05 Aug 2020 13:25:09 -0700 From: kan.liang@linux.intel.com To: peterz@infradead.org, mingo@redhat.com, linux-kernel@vger.kernel.org Cc: bhelgaas@google.com, eranian@google.com, ak@linux.intel.com, Kan Liang Subject: [PATCH V2 1/6] perf/x86/intel/uncore: Factor out uncore_pci_get_dev_die_info() Date: Wed, 5 Aug 2020 13:24:06 -0700 Message-Id: <1596659051-95759-2-git-send-email-kan.liang@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1596659051-95759-1-git-send-email-kan.liang@linux.intel.com> References: <1596659051-95759-1-git-send-email-kan.liang@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kan Liang The socket and die information is required to register/unregister a PMU in the uncore PCI sub driver. The codes, which get the socket and die information from a BUS number, can be shared. Factor out uncore_pci_get_dev_die_info(), which will be used later. There is no functional change. Signed-off-by: Kan Liang --- arch/x86/events/intel/uncore.c | 31 +++++++++++++++++++++++-------- 1 file changed, 23 insertions(+), 8 deletions(-) diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c index d5c6d3b..e14b03f 100644 --- a/arch/x86/events/intel/uncore.c +++ b/arch/x86/events/intel/uncore.c @@ -989,6 +989,26 @@ uncore_types_init(struct intel_uncore_type **types, bool setid) } /* + * Get the die information of a PCI device. + * @pdev: The PCI device. + * @phys_id: The physical socket id which the device maps to. + * @die: The die id which the device maps to. + */ +static int uncore_pci_get_dev_die_info(struct pci_dev *pdev, + int *phys_id, int *die) +{ + *phys_id = uncore_pcibus_to_physid(pdev->bus); + if (*phys_id < 0) + return -ENODEV; + + *die = (topology_max_die_per_package() > 1) ? *phys_id : + topology_phys_to_logical_pkg(*phys_id); + if (*die < 0) + return -EINVAL; + + return 0; +} +/* * add a pci uncore device */ static int uncore_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) @@ -998,14 +1018,9 @@ static int uncore_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id struct intel_uncore_box *box; int phys_id, die, ret; - phys_id = uncore_pcibus_to_physid(pdev->bus); - if (phys_id < 0) - return -ENODEV; - - die = (topology_max_die_per_package() > 1) ? phys_id : - topology_phys_to_logical_pkg(phys_id); - if (die < 0) - return -EINVAL; + ret = uncore_pci_get_dev_die_info(pdev, &phys_id, &die); + if (ret) + return ret; if (UNCORE_PCI_DEV_TYPE(id->driver_data) == UNCORE_EXTRA_PCI_DEV) { int idx = UNCORE_PCI_DEV_IDX(id->driver_data); -- 2.7.4